CN110505684A - Positioning method and mobile terminal - Google Patents

Abstract

Embodiments of the present invention provide a positioning method and a mobile terminal, which relate to the field of communication technology and solve the problem that the positioning result of the mobile terminal is affected by the interference of the positioning frequency band. The method includes: determining a target frequency point, where the target frequency point is the frequency point of the intermodulated signal between the first signal and the second signal, and the first signal and the second signal are transmitted by the mobile terminal through different links in the dual link signal; when the target frequency falls within the first frequency band, use the second frequency band for positioning, the first frequency band and the second frequency band are the positioning frequency bands supported by the mobile terminal, and the first frequency band is the frequency band interfered by the target frequency point, The target frequency falls outside the second frequency band. The method can prevent the positioning frequency band used by the mobile terminal from being interfered with, thereby preventing the interference from affecting the positioning result of the mobile terminal, thereby improving the positioning accuracy of the mobile terminal.

Description

Positioning method and mobile terminal

technical field

The embodiments of the present invention relate to the field of communication technologies, and in particular, to a positioning method and a mobile terminal.

Background technique

With the development of terminal technology, the functions of mobile terminals are becoming more and more powerful. For example, a mobile terminal may support simultaneous access to networks of multiple standards.

Taking a mobile terminal as an example that supports simultaneous access to a long-term evolution (Local Terminal Emulator, LTE) network and a new generation wireless (New raido, NR) network, at present, when a mobile terminal simultaneously accesses an LTE network and an NR network, it is assumed that the mobile terminal The working frequency band in the LTE network is frequency band 1, and the working frequency band in the NR network is frequency band 2. Then, if the mobile terminal adopts a dual-band positioning method (that is, the mobile terminal uses two frequency band positioning) for positioning, it may cause The intermodulated frequency band between frequency band 1 and frequency band 2 falls into a certain positioning frequency band (that is, the frequency band used by the mobile terminal for positioning), which causes the intermodulated frequency band to cause interference to the positioning frequency band, thereby affecting the positioning result of the mobile terminal.

Contents of the invention

Embodiments of the present invention provide a positioning method and a mobile terminal to solve the problem that the positioning result of the mobile terminal is affected by the interference of the positioning frequency band.

In order to solve the problems of the technologies described above, the present invention is achieved in that:

In the first aspect, an embodiment of the present invention provides a positioning method, which can be applied to a mobile terminal. The method may include: determining a target frequency point, where the target frequency point is the frequency of the signal after the intermodulation of the first signal and the second signal. point, the first signal and the second signal are signals transmitted by the mobile terminal through different links in the dual link; The second frequency band is a positioning frequency band supported by the mobile terminal, and the first frequency band is a frequency band interfered by the target frequency point, and the target frequency point falls outside the second frequency band.

In a second aspect, an embodiment of the present invention provides a mobile terminal, including: a determining module and a positioning module. A determining module, configured to determine a target frequency point, the target frequency point being the frequency point of the signal after the intermodulation of the first signal and the second signal, the first signal and the second signal being transmitted by the mobile terminal through different links in the dual link signal; a positioning module, configured to use a second frequency band for positioning when the target frequency point determined by the determination module falls within the first frequency band, the first frequency band and the second frequency band are positioning frequency bands supported by the mobile terminal, and the first frequency band is a frequency band interfered by the target frequency point, and the target frequency point falls outside the second frequency band.

In a third aspect, an embodiment of the present invention provides a mobile terminal, including a processor, a memory, and a computer program stored on the memory and operable on the processor, and the computer program is executed by the processor When realizing the steps of the positioning method in the first aspect above.

In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the positioning method in the above-mentioned first aspect are implemented.

In the embodiment of the present invention, the mobile terminal can determine the target frequency point (that is, the frequency point of the signal after the intermodulation of the first signal and the second signal, the first signal and the second signal are transmitted by the mobile terminal through different links in the dual link signal), and when the target frequency falls within the first frequency band, the second frequency band can be used for positioning; wherein, the first frequency band and the second frequency band are the positioning frequency bands supported by the mobile terminal, and the first frequency band is The target frequency interferes with the frequency band, and the target frequency falls outside the second frequency band. Through this scheme, when a mobile terminal supporting multi-band positioning works in a dual-link state, if the frequency point of the intermodulated signal transmitted by the mobile terminal through different links in the dual link falls within a certain frequency point in the multi-band frequency band, then the mobile terminal can use frequency bands other than this frequency band for positioning in the multi-frequency band. That is, when a certain frequency band in the multi-frequency band used by the mobile terminal is interfered, the mobile terminal can use other frequency bands in the multi-frequency band for positioning, so that the positioning frequency band used by the mobile terminal is prevented from being interfered, thereby avoiding the interference The positioning result of the mobile terminal is affected, thereby improving the positioning accuracy of the mobile terminal.

Description of drawings

Fig. 1 is one of the schematic diagrams of the positioning method provided by the embodiment of the present invention;

Fig. 2 is the second schematic diagram of the positioning method provided by the embodiment of the present invention;

FIG. 3 is a schematic diagram of a hardware circuit applied to a positioning method provided by an embodiment of the present invention;

Fig. 4 is the third schematic diagram of the positioning method provided by the embodiment of the present invention;

FIG. 5 is a fourth schematic diagram of a positioning method provided by an embodiment of the present invention;

FIG. 6 is one of the schematic structural diagrams of a mobile terminal provided by an embodiment of the present invention;

FIG. 7 is a second structural schematic diagram of a mobile terminal provided by an embodiment of the present invention;

FIG. 8 is a third structural schematic diagram of a mobile terminal provided by an embodiment of the present invention;

FIG. 9 is a schematic diagram of hardware of a mobile terminal provided by an embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

The term "and/or" in this article is an association relationship describing associated objects, which means that there can be three relationships, for example, A and/or B can mean: A exists alone, A and B exist simultaneously, and B exists alone These three situations. The symbol "/" in this document indicates that the associated object is an or relationship, for example, A/B indicates A or B.

The terms "first" and "second" in the specification and claims of the present invention are used to distinguish different objects, rather than to describe a specific order of objects. For example, the first signal, the second signal, etc. are used to distinguish different signals, not to describe a specific sequence of signals.

In the embodiments of the present invention, words such as "exemplary" or "for example" are used as examples, illustrations or illustrations. Any embodiment or design solution described as "exemplary" or "for example" in the embodiments of the present invention shall not be construed as being more preferred or more advantageous than other embodiments or design solutions. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete manner.

In the description of the embodiments of the present invention, unless otherwise specified, "multiple" means two or more, for example, multiple intermodulation algorithms refer to two or more intermodulation algorithms.

Firstly, some nouns or terms involved in the claims and description of the present invention will be explained below.

Multi-band positioning: It means that the mobile terminal uses multiple frequency bands to obtain satellite positioning signals at the same time during positioning, so as to improve the accuracy of the positioning results of the mobile terminal. Taking dual-band positioning as an example, dual-band positioning means that a mobile terminal can use two frequency bands for positioning at the same time. Specifically, when the mobile terminal performs dual-band positioning or multi-band positioning, the mobile terminal may use a global navigation satellite system (Global Navigation Satellite System, GNSS) to implement. Among them, GNSS may include Global Positioning System (Global Positioning System, GPS), BeiDou Navigation Satellite System (BeiDouNavigation Satellite System, BDS), GLONASS Satellite Navigation System (Global OrbitingNavigation Satellite System, GLONASS), and Galileo Satellite Navigation System ( Galileo satellite navigation system, GALILEO) and so on.

Taking GPS positioning as an example for mobile terminals, GPS can ensure that at any time, at any point on the earth, at least four satellites can be observed at the same time, that is, the mobile terminal can receive the positioning signals (including satellite ephemeris) sent by the at least four satellites. , and the mobile terminal can calculate the spatial coordinates of the location of the mobile terminal according to the received positioning signals and the time taken by each positioning signal to reach the mobile terminal from the satellite, so as to realize the positioning of the mobile terminal.

Positioning frequency band: refers to the frequency band used by the mobile terminal for positioning, that is, the frequency band used by the mobile terminal to obtain positioning signals from satellites, that is, the working frequency band for the mobile terminal to position. Exemplarily, taking the Global Positioning System (Global Positioning System, GPS) as an example, GPS supports five positioning frequency bands, which are: L1 frequency band: (1575.42±1.023) MHz, L2 frequency band: (1227.60±1.023) MHz MHz, L3 frequency band: (1381.05±1.023) MHz, L4 frequency band: (1841.40±1.023MHz) and L5 frequency band: (1176.450±1.023) MHz.

Intermodulation: It means that when two or more signals of different frequencies act on the same nonlinear circuit, they will modulate each other and generate a new frequency signal output. Wherein, if the frequency of the signal falls within the working frequency band (for example, the positioning frequency band in the embodiment of the present invention) of the receiver (for example, the positioning module in the mobile terminal in the embodiment of the present invention), then the receiving Machine interference, generally, this interference can be called intermodulation interference.

Dual link: means that the mobile terminal can establish links with two networks (specifically, it can be a network device, and the network device can be a base station) at the same time. For example, the mobile terminal establishes links with the first base station and the second base station at the same time, where the first base station and the second base station may be two base stations in the same standard network, or two base stations in different standard networks.

In this embodiment of the present invention, the network of the same standard may be a network of the same network standard. The networks of different standards may be networks of different network standards. Exemplarily, the long term evolution (Local Terminal Emulator, LTE) network and the new generation wireless (New raido, NR) network are two networks with different network standards, that is, the LTE network and the NR network are networks of different standards.

The establishment of a link between the mobile terminal and the network, and the establishment of a link between the mobile terminal and the network device described in the embodiment of the present invention can be understood as equivalent meanings, both refer to the establishment of a link between the mobile terminal and the network device, for the convenience of description , the two are sometimes interchangeable.

An embodiment of the present invention provides a positioning method and a mobile terminal. The mobile terminal can determine the target frequency point (that is, the frequency point of the signal after the intermodulation between the first signal and the second signal. The first signal and the second signal are obtained by the mobile terminal through dual signals transmitted by different links in the links), and in the case that the target frequency falls within the first frequency band, the second frequency band can be used for positioning; wherein, the first frequency band and the second frequency band are positioning frequency bands supported by the mobile terminal, And the first frequency band is a frequency band interfered by the target frequency point, and the target frequency point falls outside the second frequency band. Through this scheme, when a mobile terminal supporting multi-band positioning works in a dual-link state, if the frequency point of the intermodulated signal transmitted by the mobile terminal through different links in the dual link falls within a certain frequency point in the multi-band frequency band, then the mobile terminal can use frequency bands other than this frequency band for positioning in the multi-frequency band. That is, when a certain frequency band in the multi-frequency band used by the mobile terminal is interfered, the mobile terminal can use other frequency bands in the multi-frequency band for positioning, so that the positioning frequency band used by the mobile terminal is prevented from being interfered, thereby avoiding the interference The positioning result of the mobile terminal is affected, thereby improving the positioning accuracy of the mobile terminal.

The mobile terminal in the embodiment of the present invention can be a mobile phone, a tablet computer, a notebook computer, a handheld computer, a vehicle-mounted terminal, a wearable device, an ultra-mobile personal computer (ultra-mobile personal computer, UMPC), a netbook or a personal digital assistant (personal digital assistant). assistant, PDA), etc., and the non-mobile terminal may be a personal computer (personal computer, PC), a television (television, TV), a teller machine, or a self-service machine, etc., which are not specifically limited in this embodiment of the present invention.

The execution subject of the positioning method provided by the embodiment of the present invention may be the above-mentioned mobile terminal, or it may be a functional module and/or a functional entity in the mobile terminal capable of implementing the positioning method, which may be specifically determined according to actual use requirements. The present invention Examples are not limited. The positioning method provided by the embodiment of the present invention will be described exemplarily below by taking a mobile terminal as an example.

The positioning method provided by the embodiment of the present invention can be executed when the mobile terminal is in a dual-link state. Wherein, the mobile terminal being in the dual-link state means that two links have been established between the mobile terminal and the network (which may be the same network or different networks). Suppose the two links are the first link and the second link respectively, and the first signal is transmitted on the first link, and the second signal is transmitted on the second link, then there may be intermodulation between the first signal and the second signal Signal. In actual implementation, since there may be multiple intermodulation modes when two signals are intermodulated, multiple intermodulation signals may be generated after intermodulation between the first signal and the second signal.

Specifically, the positioning method provided by the embodiment of the present invention can be executed in the following three scenarios (ie, scenario 1, scenario 2, and scenario 3). The three scenarios are described below as examples.

Scenario 1: The mobile terminal is in a dual-link state, and the mobile terminal has not yet started positioning, and the frequency points of the above-mentioned first signal and the second signal remain unchanged.

In Scenario 1, when the mobile terminal is in a dual-link state, before the mobile terminal starts positioning, the mobile terminal may first execute the positioning method provided by the embodiment of the present invention. Specifically, the mobile terminal may determine the frequency points of the multiple intermodulation signals, and determine whether at least one of the frequency points of the multiple intermodulation signal falls within a certain positioning frequency band supported by the mobile terminal. When at least one of the frequency points of the multiple intermodulation signals falls within a certain positioning frequency band (such as the first frequency band) supported by the mobile terminal, it means that the intermodulation signal corresponding to the at least one frequency point will affect the mobile terminal If a certain positioning frequency band supported by the mobile terminal causes interference, the mobile terminal can use other positioning frequency bands supported by the mobile terminal (such as the second frequency band, the frequency points of the multiple intermodulation signals are all outside the second frequency band) for positioning, so as to avoid The positioning frequency band used by the mobile terminal for positioning is interfered, so that intermodulation signals can be prevented from affecting the positioning result of the mobile terminal, thereby improving the positioning accuracy of the mobile terminal.

Scenario 2: The mobile terminal changes from not being in the dual-link state to being in the dual-link state, and the mobile terminal is using all frequency band positioning supported by the mobile terminal (such as dual-band positioning or multi-band positioning), and the above-mentioned first signal and second signal The frequency point remains unchanged.

In Scenario 2, when the mobile terminal uses all frequency bands supported by the mobile terminal for positioning, the mobile terminal can monitor the link status of the mobile terminal in real time. , the mobile terminal may execute the positioning method provided in the embodiment of the present invention. Specifically, the mobile terminal may determine the frequency points of the multiple intermodulation signals, and determine whether at least one of the frequency points of the multiple intermodulation signal falls within a certain positioning frequency band supported by the mobile terminal. When at least one of the frequency points of the multiple intermodulation signals falls within a certain positioning frequency band (such as the first frequency band) supported by the mobile terminal, it means that the intermodulation signal corresponding to the at least one frequency point will affect the mobile terminal If a supported positioning frequency band causes interference, the mobile terminal can continue to use other positioning frequency bands supported by the mobile terminal (such as the second frequency band, the frequency points of the multiple intermodulation signals are all outside the second frequency band) for positioning. The positioning frequency band adopted by the mobile terminal for positioning is prevented from being interfered, thereby preventing intermodulation signals from affecting the positioning result of the mobile terminal, thereby improving the positioning accuracy of the mobile terminal.

Optionally, in this embodiment of the present invention, in the second scenario above, the mobile terminal may, according to the interaction information between the mobile terminal and the network device (for example, a signal received from the network device, which may include a network identifier), real-time It is monitored whether the link state of the mobile terminal changes, that is, whether the mobile terminal changes from not being in the dual link state to being in the dual link state.

Scenario 3: The mobile terminal is in a dual-link state, and the mobile terminal is using all frequency band positioning supported by the mobile terminal (such as dual-band positioning or multi-band positioning), and the frequency points of the above-mentioned first signal and second signal change.

In the third scenario, when the mobile terminal locates using all the frequency bands supported by the mobile terminal, the mobile terminal may monitor in real time whether the frequencies of the first signal and the frequency of the second signal change. When the mobile terminal detects that at least one of the frequency points of the first signal and the frequency point of the second signal changes, the mobile terminal may execute the positioning method provided by the embodiment of the present invention. Specifically, the mobile terminal may determine the frequency points of the multiple intermodulation signals, and determine whether at least one of the frequency points of the multiple intermodulation signal falls within a certain positioning frequency band supported by the mobile terminal. When at least one of the frequency points of the multiple intermodulation signals falls within a certain positioning frequency band (such as the first frequency band) supported by the mobile terminal, it means that the intermodulation signal corresponding to the at least one frequency point will affect the mobile terminal If a supported positioning frequency band causes interference, the mobile terminal can continue to use other positioning frequency bands supported by the mobile terminal (such as the second frequency band, the frequency points of the multiple intermodulation signals are all outside the second frequency band) for positioning. The positioning frequency band adopted by the mobile terminal for positioning is prevented from being interfered, thereby preventing intermodulation signals from affecting the positioning result of the mobile terminal, thereby improving the positioning accuracy of the mobile terminal.

Optionally, in this embodiment of the present invention, in the foregoing scenario 1, scenario 2, and scenario 3, if the mobile terminal determines that the frequency points of the above-mentioned multiple intermodulation signals fall outside any positioning frequency band supported by the mobile terminal, it means The multiple intermodulation signals will not cause interference to the positioning frequency bands supported by the mobile terminal, and at this time, the mobile terminal can use all frequency bands supported by the mobile terminal for positioning (for example, dual-band positioning or multi-band positioning).

The positioning method provided by the embodiment of the present invention will be described exemplarily below in conjunction with each accompanying drawing.

As shown in FIG. 1 , an embodiment of the present invention provides a positioning method, which can be executed when the mobile terminal is in a dual-link state, and the method can include the following S201-S202.

S201. The mobile terminal determines a target frequency point.

Wherein, the target frequency point may be a frequency point of an intermodulated signal (possibly a plurality of intermodulated signals) between the first signal and the second signal. That is, the target frequency point may be the frequency points of the above-mentioned multiple intermodulation signals. It can be understood that the target frequency point may be multiple frequency points. When the mobile terminal actually executes the positioning method provided by the embodiment of the present invention, the mobile terminal can separately determine whether each frequency point of the multiple frequency points falls within the positioning frequency band supported by the mobile terminal. Certainly, in actual implementation, the signal after the intermodulation of the first signal and the second signal may also be an intermodulation signal. Specifically, it may be determined according to actual usage requirements, and is not limited in this embodiment of the present invention.

In the embodiments of the present invention, in order to clearly describe the specific implementation mode, the target frequency point is used as an example for description, that is, in the description herein, the target frequency point is used as a whole to describe, and the target frequency point is not The number of frequency points is limited.

Optionally, in this embodiment of the present invention, the mobile terminal may use an intermodulation algorithm to calculate the foregoing target frequency points. Among them, the intermodulation algorithm may include a second-order intermodulation algorithm (that is, an intermodulation algorithm corresponding to a second-order intermodulation mode), a third-order intermodulation algorithm (that is, an intermodulation algorithm corresponding to a third-order intermodulation mode), and a fourth-order intermodulation algorithm. (that is, the intermodulation algorithm corresponding to the fourth-order intermodulation method), the fifth-order intermodulation algorithm (that is, the intermodulation algorithm corresponding to the fifth-order intermodulation method), and the sixth-order intermodulation algorithm (that is, the intermodulation algorithm corresponding to the sixth-order intermodulation method) ), the seventh-order intermodulation algorithm (that is, the intermodulation algorithm corresponding to the seventh-order intermodulation method), the eighth-order intermodulation algorithm (that is, the intermodulation algorithm corresponding to the eighth-order intermodulation method), and the ninth-order intermodulation algorithm (that is, the ninth-order intermodulation algorithm intermodulation algorithm corresponding to the intermodulation mode), etc.

In the embodiment of the present invention, the above-mentioned intermodulation algorithms of each order can be expressed by a formula, that is, it can be specifically expressed as: F=AF1±BF2. Among them, F represents the frequency point of the intermodulated signal of the two intermodulated signals, F1 represents the frequency point of one of the two signals, F2 represents the frequency point of the other signal of the two signals, A and Both B are integers greater than 0, and "A+B" may represent the order of the intermodulation algorithm. For example, A+B=2 can indicate that the order of the intermodulation algorithm is the second order, A+B=3 can indicate that the order of the intermodulation algorithm is the third order, and A+B=4 can indicate that the order of the intermodulation algorithm is Fourth order etc.

For example, in the embodiment of the present invention, assuming that the frequency point of the above-mentioned first signal is f1, the frequency point of the second signal is f2, and the frequency point of the intermodulated signal between the first signal and the second signal is f3, then , f3 can be calculated by the above intermodulation algorithm. That is, f3 can be calculated by the above formula, such as f3=Af1±Bf2.

Exemplarily, if the first signal and the second signal are intermodulated using the second-order intermodulation algorithm, that is, A+B=2, then the frequency point f3 of the signal after the intermodulation between the first signal and the second signal can be: f3 =f1±f2. If the first signal and the second signal are intermodulated using the third-order intermodulation algorithm, that is, A+B=3, then the frequency point f3 of the signal after the intermodulation between the first signal and the second signal can be: f3=f1±2f2, And f3=2f1±f2. If the first signal and the second signal are intermodulated using the fourth-order intermodulation algorithm, that is, A+B=4, then the frequency point f3 of the signal after the intermodulation between the first signal and the second signal can be: f3=3f1±f2, f3=f1±3f2.

In the embodiment of the present invention, the foregoing first signal and second signal may be signals transmitted by the mobile terminal through different links in the dual link. Exemplarily, the foregoing first signal may be a signal transmitted by the mobile terminal through one of the dual links, and the foregoing second signal may be a signal transmitted by the mobile terminal through the other of the dual links.

In the embodiment of the present invention, the dual link of the mobile terminal can be the first link and the second link, that is, the above-mentioned first signal can be the signal transmitted by the mobile terminal through the first link in the dual link, and the second signal can be the signal transmitted by the mobile terminal through the first link of the dual link. The signal transmitted by the second link in a dual link.

Optionally, in the embodiment of the present invention, the above-mentioned dual link may be a link established between the mobile terminal and two network devices in the same standard network, or may be a link established between the mobile terminal and two network devices in a different standard network, Specifically, it may be determined according to actual usage requirements, and is not limited in this embodiment of the present invention.

Exemplarily, the aforementioned network of the same standard may be an NR network, or may be an LTE network. In this case, the mobile terminal establishes a link with two network devices in the same standard network: the mobile terminal establishes a link with two network devices in the NR network, or the mobile terminal establishes a link with two network devices in the LTE network Link.

For another example, the foregoing networks of different standards may be NR networks and LTE networks. In this case, establishing a link between the mobile terminal and two network devices in networks of different standards may be: establishing a link between the mobile terminal and a network device in the NR network, and establishing a link between the mobile terminal and a network device in the LTE network.

It can be understood that when the above-mentioned dual links are links established between the mobile terminal and two network devices in the NR network, the above-mentioned first link and the second link are respectively the links established between the mobile terminal and the two network devices in the NR network . When the aforementioned dual link is a link established between the mobile terminal and two network devices in the LTE network, the aforementioned first link and the second link are respectively links established between the mobile terminal and two network devices in the LTE network. When the above-mentioned dual link is a link established between the mobile terminal and two network devices in the NR network and the LTE network, the above-mentioned first link may be a link between the mobile terminal and one network device in the NR network, and the above-mentioned second link may be A link established between the mobile terminal and a network device in the LTE network; or, the first link may be a link established between the mobile terminal and a network device in the LTE network, and the second link may be a link between the mobile terminal and an NR network A link established by a network device.

Optionally, in this embodiment of the present invention, with reference to FIG. 1 , the foregoing S201 may specifically be implemented through the following S201a and S201b.

S201a. The mobile terminal determines a first frequency point and a second frequency point.

S201b. The mobile terminal determines a target frequency point according to the first frequency point and the second frequency point.

Wherein, in the embodiment of the present invention, the above-mentioned first frequency point may be a frequency point of the above-mentioned first signal, and the second frequency point may be a frequency point of the above-mentioned second signal. Specifically, the mobile terminal may calculate the target frequency point by using an intermodulation algorithm according to the first frequency point and the second frequency point. For the description of the calculation of the target frequency by the mobile terminal, reference may be made to the relevant description in the above method embodiments, which will not be repeated here.

Exemplarily, it is assumed that the mobile terminal adopts GPS positioning, and the mobile terminal establishes links with the NR network and the LTE network at the same time (that is, the mobile terminal is in a dual link state), and the link established between the mobile terminal and the NR network is the first link, and the connection with the LTE network The established link is the second link, and the mobile terminal transmits the first signal through the first link, and transmits the second signal through the second link. The frequency point of the first signal is represented as NR Tx, and the frequency point of the second signal is represented as LTE Tx , then, as shown in Table 1 below, after the first signal and the second signal are intermodulated by multiple intermodulation algorithms, since the frequency points of five intermodulation signals fall in the positioning frequency band supported by the mobile terminal (that is, the following Table 1 In the L1 frequency band), therefore, the frequency points of the five signals are the above-mentioned target frequency points.

Table 1

EN-DC combination Interference mechanism Interference frequency band DC_1A-n78A GPS = NR Tx – LTE Tx GPS L1 DC_3A-n78A GPS = NR Tx – LTE Tx GPS L1 DC_8A-n78A GPS＝NR Tx-2*LTE Tx GPS L1 DC_39A-n41A GPS=2*LTE Tx–NR Tx GPS L1 DC_3A-n78A GPS=3*LTE Tx–NR Tx GPS L1

It should be noted that, in the above Table 1, "EN-DC" is used to indicate that the mobile terminal establishes links with the NR network and the LTE network at the same time (that is, the mobile terminal is in a dual link state based on the NR network and the LTE network). Among them, EN (e-utra new-radio) represents the LTE network and the NR network, and DC represents dual connectivity.

"Interference mechanism" is used to indicate that the frequency band of the intermodulated signal between the first signal and the second signal will interfere with a positioning frequency band supported by the mobile terminal. In general, the frequency point NR Tx of the first signal and the frequency point LTETx of the second signal may be used, and the frequency point of the signal after the intermodulation between the first signal and the second signal is calculated through an intermodulation algorithm. If the calculated frequency point falls within a certain positioning frequency band supported by the mobile terminal, it means that the signal after the intermodulation of the first signal and the second signal will cause interference to the certain positioning frequency band.

"Interferenced frequency band" is used to indicate that the frequency point of the intermodulated signal between the first signal and the second signal falls within a certain positioning frequency band supported by the mobile terminal, that is, the signal intermodulated by the first signal and the second signal Interfering positioning frequency band (for example, GPS L1 frequency band in Table 1).

Further, it can be seen from Table 1 that different EN-DC combinations (such as DC_1A-n78A and DC_3A-n78A in Table 1) may correspond to the same intermodulation algorithm, and the same EN-DC combination (such as DC_3A-n78A in Table 1) n78A) may also correspond to different intermodulation algorithms. Table 1 is just an exemplary list, which can be determined according to actual use requirements, and is not limited by the embodiment of the present invention.

Optionally, in this embodiment of the present invention, the foregoing first frequency point may be any frequency point in the frequency band of the foregoing first signal. For example, the first frequency point may be the center frequency point of the first signal, or other frequency points other than the center frequency point of the first signal, which may be determined according to actual usage requirements, and are not limited in this embodiment of the present invention.

Optionally, in this embodiment of the present invention, the second frequency point may be any frequency point in the frequency band of the second signal. For example, the second frequency point may be the center frequency point of the second signal, or other frequency points other than the center frequency point of the second signal, which may be determined according to actual usage requirements, and is not limited in this embodiment of the present invention.

Optionally, in this embodiment of the present invention, when the above-mentioned first frequency point is the center frequency point of the first signal, and the above-mentioned second frequency point is the center frequency point of the second signal, the above-mentioned S201a may specifically pass the following S201a1 and S201a2 is implemented.

S201a1. The mobile terminal determines the third frequency band and the fourth frequency band.

S201a2. The mobile terminal determines the center frequency point of the third frequency band as the first frequency point, and determines the center frequency point of the fourth frequency band as the second frequency point.

Wherein, the above-mentioned third frequency band may be a frequency band of the first signal (that is, the signal transmitted by the mobile terminal through the first link in the dual link). The above-mentioned fourth frequency band may be a frequency band of the second signal (that is, the signal transmitted by the mobile terminal through the second link in the dual link).

Optionally, in this embodiment of the present invention, the mobile terminal may obtain the first signal transmitted by the mobile terminal through the first link of the dual links, and determine the third frequency band according to the first signal. In addition, the mobile terminal may acquire the second signal transmitted by the mobile terminal through the second link of the dual links, and determine the fourth frequency band according to the second signal. Then, the mobile terminal may acquire the center frequency of the third frequency band to determine the center frequency of the third frequency band as the first frequency, and acquire the center frequency of the fourth frequency band to determine the center frequency of the fourth frequency band is the second frequency point.

S202. If the target frequency point falls within the first frequency band, the mobile terminal uses the second frequency band for positioning.

Wherein, the first frequency band and the second frequency band may be positioning frequency bands supported by the mobile terminal, and the first frequency band may be a frequency band interfered by the target frequency point. In the embodiment of the present invention, the target frequency point falls outside the second frequency band, that is, the second frequency band may be a frequency band that is not interfered by the target frequency point.

For the description of the positioning frequency band, please refer to the relevant description of the positioning frequency band in the explanation of terms in the above embodiments, and details are not repeated here.

Optionally, in this embodiment of the present invention, the positioning of the mobile terminal using the second frequency band means that the mobile terminal acquires positioning signals from satellites using the second frequency band.

In the embodiment of the present invention, taking mobile terminals using GPS positioning as an example, among the five positioning frequency bands supported by GPS (ie, L1 frequency band, L2 frequency band, L3 frequency band, L4 frequency band, and L5 frequency band), the central frequency point of the L1 frequency band is 1575.42 MHz, the center frequency of the L5 frequency band is 1176.450MHz, that is, the frequency difference between the center frequency of the L1 frequency band and the center frequency of the L5 frequency band is 400MHz; then, if the mobile terminal transmits two The frequency point of the intermodulated signal (that is, the intermodulation signal) falls into the L1 frequency band (or L5 frequency band) of the mobile terminal. Since the frequency difference between the L1 frequency band and the L5 frequency band is relatively large, the frequency of the intermodulation signal It is impossible for the frequency point to fall into the L5 (or L1 frequency band) frequency band at the same time, that is, when the L1 frequency band (or L5 frequency band) of the mobile terminal is interfered by the intermodulated signal transmitted by the mobile terminal through different links in the dual link, The terminal can use the L5 frequency band (or L1 frequency band) for positioning to avoid interference with the positioning frequency band used by the mobile terminal during positioning, thereby preventing the interference from affecting the positioning result of the mobile terminal, thereby improving the positioning accuracy of the mobile terminal.

It should be noted that the above-mentioned L1 frequency band and L5 frequency band and the frequency difference between them are only exemplary enumerations. In actual implementation, as long as the frequency difference between any two positioning frequency bands supported by the mobile terminal is relatively large, then when the two When a positioning frequency band in the positioning frequency bands is interfered, the mobile terminal can use the positioning method provided in this embodiment for positioning. Wherein, in the embodiment of the present invention, the frequency difference between the above-mentioned any two positioning frequency bands is relatively large, which can be determined according to actual use requirements, that is, whether the frequency difference between the above-mentioned any two positioning frequency bands is sufficient to trigger the mobile terminal to perform the positioning provided by the embodiment of the present invention. The specific method can be determined according to actual usage requirements, and is not limited in this embodiment of the present invention.

Optionally, in this embodiment of the present invention, the mobile terminal establishes links with two networks of the NR network and the LTE network, and the mobile terminal adopts GPS positioning. Then the above-mentioned first signal can be a signal in a long-term evolution (LTE) network, and the above-mentioned second signal can be a signal in a new generation wireless (NR) network; the above-mentioned first frequency band can be the L1 frequency band, and the above-mentioned second frequency band can be L5 frequency band, alternatively, the first frequency band may be the L5 frequency band, and the second frequency band may be the L1 frequency band.

Alternatively, the above-mentioned first signal may be a signal in a new generation wireless (NR) network, and the above-mentioned second signal may be a signal in a long-term evolution (LTE) network; the above-mentioned first frequency band may be an L1 frequency band, and the above-mentioned second frequency band may be L5 frequency band; alternatively, the above-mentioned first frequency band may be an L5 frequency band, and the second frequency band may be an L1 frequency band.

In the positioning method provided by the embodiment of the present invention, when a mobile terminal supporting dual-band positioning (or multi-band positioning) is working in a dual-link state, if the signals transmitted by the mobile terminal through different links in the dual-link intermodulate If the frequency point of the subsequent signal falls into a certain frequency band in the dual frequency band (or multi-frequency band), then the mobile terminal can use other frequency bands except this frequency band in the dual frequency band (or multi-frequency band) for positioning. That is, when a frequency band in the dual-band (or multi-band) used by the mobile terminal is interfered, the mobile terminal can use other frequency bands in the dual-band (or multi-band) for positioning, so as to avoid moving The positioning frequency band used for terminal positioning is interfered, so as to prevent the interference from affecting the positioning result of the mobile terminal, thereby improving the positioning accuracy of the mobile terminal.

Optionally, in this embodiment of the present invention, the mobile terminal may use a second frequency band for positioning through a hardware channel in the mobile terminal. Specifically, in the first possible implementation manner, because in the above scenario 1, the mobile terminal has not started positioning before executing the positioning method provided by the embodiment of the present invention, therefore, the hardware path used to support positioning in the mobile terminal (such as The first path and the second path) in the following embodiments of the present invention are all in the closed state. At this time, if the mobile terminal needs to adopt the second frequency band positioning through a hardware path (such as the second path), the mobile terminal first needs to control The pathway is turned on. In the second possible implementation, because in the above scenarios two and three, before the mobile terminal executes the positioning method provided by the embodiment of the present invention, the mobile terminal has already started positioning, and the mobile terminal has already used all the frequency bands supported by the mobile terminal for positioning (such as dual-band positioning or multi-band positioning), therefore, the hardware paths used to support positioning in the mobile terminal (such as the first path and the second path in the following embodiments of the present invention) are all in the open state. At this time, if If the mobile terminal needs to adopt the second frequency band positioning through a hardware channel (for example, the second channel), then the mobile terminal first needs to control the closing of other channels except the channel.

The first possible implementation manner and the second possible implementation manner above will be respectively described as examples below.

In the first possible implementation, it is assumed that the mobile terminal supports dual-band (namely, the first frequency band and the second frequency band) positioning, and the path corresponding to the first frequency band in the mobile terminal is the first path (that is, the first path passes the working Positioning is realized in the first frequency band), and the path corresponding to the second frequency band is the second path (that is, the second path realizes positioning by working in the second frequency band), then, for example, in combination with FIG. 1, as shown in FIG. 2, After the above S201, the positioning method provided by the embodiment of the present invention may further include the following S203, and the above S202 may be specifically implemented through the following S202a.

S203. In a case where the target frequency point falls within the first frequency band and both the first path and the second path are closed, the mobile terminal controls the second path to be turned on.

S202a. The mobile terminal locates by using the second frequency band through the second path.

It can be understood that in this implementation, since the above-mentioned target frequency point (that is, the frequency point of the intermodulated signal between the first signal and the second signal) falls within the first frequency band, the target frequency point will interfere with the first frequency band . In order to avoid the interference of the target frequency point on the positioning results of the mobile terminal, the mobile terminal can control the first channel working in the first frequency band not to be opened, and control the second channel working in the second frequency band to be opened, that is, the mobile terminal only controls The second channel that is not disturbed is opened, so that the mobile terminal can use the second frequency band for positioning through the second channel, so as to avoid the positioning frequency band used by the mobile terminal from being interfered, thereby preventing the intermodulation signal from affecting the positioning result of the mobile terminal. Furthermore, the positioning accuracy of the mobile terminal can be improved.

It can be understood that in the embodiment of the present invention, the above-mentioned first path may be a hardware path in the mobile terminal that can use the first frequency band for positioning, and the above-mentioned second path may be a hardware path in the mobile terminal that can use the second frequency band for positioning.

Exemplarily, FIG. 3 shows a schematic diagram of hardware of the first path and the second path provided by the embodiment of the present invention. As shown in FIG. 3 , the first path 306 may include a first positioning antenna 3061 , a first filter 3062 , a first low noise amplifier 3063 , and a second filter 3064 connected in sequence. The second path 307 may include a second positioning antenna 3071 , a third filter 3072 , a second low noise amplifier 3073 , and a fourth filter 3074 connected in sequence.

Among them, the first positioning antenna 3061 can be used to receive positioning signals on the first frequency band (such as the L1 frequency band); the first filter 3062 can be used to first filter the positioning signals received by the first positioning antenna 3061; The noise amplifier 3063 can be used to amplify the positioning signal filtered by the first filter 3062 with low noise; the second filter 3064 can be used to filter the positioning signal amplified by the first low noise amplifier 3063 again.

The second positioning antenna 3071 can be used to receive positioning signals on the second frequency band (such as the L5 frequency band); the third filter 3072 can be used to filter the positioning signals received by the second positioning antenna 3071 for the first time; the second low noise amplifier 3073 may be used for low-noise amplification of the positioning signal filtered by the third filter 3072; the fourth filter 3074 may be used for re-filtering the positioning signal amplified by the second low-noise amplifier 3073.

Further, as shown in FIG. 3 , FIG. 3 also shows a baseband processor 300 , a modem 301 , a radio frequency transceiver 302 , a radio frequency front-end module 303 , a first radio frequency antenna 304 , a second radio frequency antenna 305 , and a power supply system. The baseband processor 300 is connected to the modem 301 . The radio frequency transceiver 302 is integrated with a positioning processing module 3021 . The modem 301 is connected to the radio frequency transceiver 302 , the radio frequency transceiver 302 is connected to the radio frequency front-end module 303 , and the radio frequency front-end module 303 is connected to the first radio frequency antenna 304 and the second radio frequency antenna 305 . The first pin 3022 of the positioning processing module 3021 is connected to the second filter 3064, the second pin 3023 of the positioning processing module 3021 is connected to the fourth filter 3074, the first low noise amplifier 3063 and the second low noise amplifier 3073 are both It is connected with the baseband processor 300 (not shown in FIG. 3 ).

Among them, the baseband processor 300 can be used to process the communication data between the mobile terminal and the network equipment, and can control the working status of each device in the radio frequency front-end module 303 according to the interaction information between the mobile terminal and the network equipment, and judge the current state of the mobile terminal. Connection state (for example, judging whether the mobile terminal is in a dual link state). The above-mentioned target frequency point can also be determined according to the frequency point of the intermodulated signal of two (or multiple) signals transmitted by the mobile terminal through different connections in the dual link (or multiple links), and the target frequency point can be determined according to the target frequency point. Click to determine the positioning frequency band used when the mobile terminal is positioned. And control the positioning processing module 3021 to process the positioning signal.

The modem 301 can be used to demodulate the signal received by the mobile terminal from the network device, and transmit the demodulated signal to the baseband processor 300 for processing. Alternatively, it can also be used to modulate a signal to be sent by the mobile terminal to the network device, and transmit the modulated signal to the radio frequency front-end module 303 for transmission.

The radio frequency transceiver 302 can be used for up-converting, down-converting, driving and amplifying the signals sent and received by the mobile terminal through the first radio frequency antenna 304 and the second radio frequency antenna 305 .

The positioning processing module 3021 can be used to receive the positioning signal processed by the first channel 306 from the first channel 306 through the first pin 3022, perform down-conversion and drive amplification on the positioning signal, and analyze the processed signal , processing, etc., to complete the positioning of the mobile terminal. Moreover, it can be used to receive the positioning signal processed by the second channel 307 from the second channel 307 through the second pin 3023, perform down-conversion and drive amplification on the positioning signal, and analyze and process the processed signal etc. to complete the positioning of the mobile terminal.

The radio frequency front-end module 303 can be used to send the signal transmitted by the radio frequency transceiver 302 to the network device, and can also be used to transmit the signal received from the network device to the radio frequency transceiver 302 .

The power supply system can be used to supply power to each module in FIG. 3 (in actual implementation, the power supply system is connected to each module it supplies power to. FIG. 3 only shows that the power supply system is connected to the baseband processor 300 and the modem 301).

Optionally, in the embodiment of the present invention, the baseband processor may be further configured to control the opening or closing of the first path by controlling the first low noise amplifier to be turned on or off. Furthermore, the opening or closing of the second channel can be controlled by controlling the above-mentioned second low noise amplifier to be turned on or off.

In the embodiment of the present invention, the positioning of the mobile terminal using the second frequency band through the second path can be understood as: the positioning module of the mobile terminal (such as the positioning module 3021 in FIG. 3 ) can receive the positioning signal through the above-mentioned second path, and the second The path works in the second frequency band (specifically, the second positioning antenna in the second path may work in the second frequency band). With reference to FIG. 3 above, it can be understood that the positioning module of the mobile terminal can receive the positioning signal received by the second positioning antenna on the second frequency band through the above second path. That is, after the second positioning antenna receives the positioning signal in the second frequency band, it can transmit it to the above-mentioned second positioning module through the second channel, and then the second positioning module can analyze and process the signal to complete the positioning of the mobile terminal. position.

In this implementation, since the mobile terminal can only open the second channel in the mobile terminal that is not interfered by the intermodulation signal in the positioning frequency band, and receive the positioning signal in the second frequency band through the second channel to locate the mobile terminal, it can avoid The positioning frequency band used by the mobile terminal for positioning is interfered, thereby preventing the interference from affecting the positioning result of the mobile terminal, thereby improving the positioning accuracy of the mobile terminal.

In the second possible implementation, it is assumed that the mobile terminal supports dual-band (namely the first frequency band and the second frequency band) positioning, and the path corresponding to the first frequency band in the mobile terminal is the first path (that is, the first path passes the working Positioning is realized in the first frequency band), and the path corresponding to the second frequency band is the second path (that is, the second path realizes positioning by working in the second frequency band), then, for example, in combination with FIG. 1, as shown in FIG. 4, After the above S201, the positioning method provided by the embodiment of the present invention may further include the following S204, and the above S202 may be specifically implemented through the following S202b.

S204. When the target frequency falls within the first frequency band and both the first path and the second path are turned on, the mobile terminal controls the first path to turn off.

S202b. The mobile terminal locates by using the second frequency band through the second path.

It can be understood that in this implementation, since the above-mentioned target frequency point (that is, the frequency point of the intermodulated signal between the first signal and the second signal) falls within the first frequency band, the target frequency point will interfere with the first frequency band . In order to avoid the interference of the target frequency point on the first frequency band, the mobile terminal can control the first channel working in the first frequency band to be closed, and keep the second channel working in the second frequency band open, that is, the mobile terminal only controls the channels that are not interfered. The second path is opened, so that the mobile terminal can use the second frequency band for positioning through the second path, which can prevent the positioning frequency band used by the mobile terminal from being interfered, thereby preventing the interference from affecting the positioning result of the mobile terminal, and thus improving the mobile terminal. Positioning accuracy.

For the description of the first path and the second path, refer to the relevant description of the first path and the second path in S203 of the above embodiment, and details are not repeated here.

For the description of S202b, please refer to the relevant description of S202a in the first possible implementation manner above, and details are not repeated here.

In this implementation, since the mobile terminal can control the closing of the first channel, that is, only open the second channel in the mobile terminal that is not interfered by the intermodulation signal in the positioning frequency band, and receive the positioning signal in the second frequency band through the second channel, so as to The positioning of the mobile terminal can prevent the positioning frequency band used by the mobile terminal from being interfered, thereby preventing the interference from affecting the positioning result of the mobile terminal, thereby improving the positioning accuracy of the mobile terminal.

Further, in the embodiment of the present invention, in the first possible implementation and the second possible implementation above, since the mobile terminal can only control the opening of the hardware channel using the second frequency band positioning (that is, all other hardware channels are closed) , so the power consumption of the mobile terminal can be reduced on the basis of improving the positioning accuracy of the mobile terminal.

Optionally, in this embodiment of the present invention, before the mobile terminal determines the target frequency point, the mobile terminal may first determine the link status between the mobile terminal and the network (specifically, it may be a network device), and the link status between the mobile terminal and the network When the link state is the dual link state, the mobile terminal may determine the target frequency point (that is, start to execute the above S201). Specifically, the mobile terminal may determine the link status between the mobile terminal and the network according to the interaction information (such as the following target information) between it and the network device (the network device establishing the link with the mobile terminal).

Exemplarily, referring to FIG. 1, as shown in FIG. 5, before the above S201, the positioning method provided by the embodiment of the present invention may further include the following S205 and S206, and the above S201 may be specifically implemented through the following S201c.

S205. The mobile terminal acquires target information.

Wherein, the target information may be used to indicate the network currently accessed by the mobile terminal.

Optionally, in this embodiment of the present invention, the mobile terminal may acquire the foregoing target information according to interaction information between the mobile terminal and the network device. It can be understood that when the mobile terminal establishes links with more than one network device at the same time, the above target information may indicate all network devices currently accessed by the mobile terminal.

Optionally, in this embodiment of the present invention, the foregoing interaction information may be information exchanged between the mobile terminal and the network device. For example, it may be a signal transmitted between a mobile terminal and a network device. Specifically, the above-mentioned target information may be the information carried in the signal, for example, any information that may instruct the mobile terminal to establish a link, such as the network identifier of the network to which the mobile terminal establishes a link, the network standard identifier, and the device identifier of a network device to which the mobile terminal establishes a link. information on the web. Specifically, it may be determined according to actual usage requirements, and is not limited in this embodiment of the present invention.

Exemplarily, assuming that the mobile terminal is in the EN-DC dual-link state, that is, the mobile terminal establishes links with the LTE network and the NR network at the same time, then the modem can transmit the radio frequency front-end module from the network equipment (including the network equipment in the LTE network and the NR network) The signal (for example, it may carry the network identifier) received by the network device in the network device) is demodulated, and the demodulated signal is fed back to the baseband processor, and the baseband processor judges the network currently connected to the mobile terminal according to the demodulated signal. NR network and LTE network.

S206. The mobile terminal determines whether the mobile terminal is in a dual link state according to the target information.

Optionally, in this embodiment of the present invention, if the target information obtained by the mobile terminal indicates that the mobile terminal has currently established links with two networks (ie, network devices), then the mobile terminal may determine that the mobile terminal is in a dual link state.

S201c. When the mobile terminal is in a dual link state, the mobile terminal determines a target frequency point.

It should be noted that, in the embodiment of the present invention, the double link may also be a multi-link, that is, links are established between the mobile terminal and multiple network devices. Exemplarily, the mobile terminal can establish links with multiple networks of different standards (specifically, it can be a network device), for example, the mobile terminal and an LTE network (specifically, it can be a network device in an LTE network), an NR network (specifically, it can be an NR network The network equipment in the network), and the future new generation network (specifically, it can be the network equipment in the future new generation network); or, the mobile terminal can establish links with multiple network equipment in the same standard network respectively For example, the mobile terminal respectively establishes links with multiple network devices in the LTE network, multiple network devices in the NR network, or multiple network devices in the future new generation network.

The positioning method provided by the embodiment of the present invention can be applied to a scenario where the mobile terminal is in a dual-link state, and the mobile terminal has not yet started positioning, and the frequency points of the above-mentioned first signal and the second signal are unchanged (that is, the above-mentioned scenario 1) , can also be applied to the mobile terminal changing from not being in the dual-link state to being in the dual-link state, and the mobile terminal is using all frequency band positioning supported by the mobile terminal (such as dual-band positioning or multi-band positioning), and the above-mentioned first signal and second In the scenario where the frequency points of the two signals remain unchanged (that is, the above-mentioned scenario 2), it can also be applied to the mobile terminal in the dual-link state, and the mobile terminal is using all frequency band positioning supported by the mobile terminal (such as dual-band positioning or multi-band positioning) , and in the scenario where the frequencies of the first signal and the second signal change (that is, the scenario 3 above). In this way, no matter in the above-mentioned scenario 1, the above-mentioned scenario 2 or the above-mentioned scenario 3, since the positioning method provided by the embodiment of the present invention, when a certain frequency band among the multiple frequency bands used by the mobile terminal for positioning is interfered, the mobile terminal can use this The positioning of other non-interferenced frequency bands in the multi-frequency band can prevent the positioning frequency band used by the mobile terminal from being interfered, thereby preventing the interference from affecting the positioning result of the mobile terminal, thereby improving the positioning accuracy of the mobile terminal.

It should be noted that, in the embodiment of the present invention, the positioning methods shown in the drawings of the above-mentioned methods are all described in conjunction with one drawing in the embodiment of the present invention as an example. During specific implementation, the positioning methods shown in the drawings of the above methods can also be implemented in combination with any other drawings shown in the above embodiments that can be combined, and will not be repeated here.

As shown in FIG. 6 , an embodiment of the present invention provides a mobile terminal 600 , and the mobile terminal 600 may include: a determining module 601 and a positioning module 602 . The determining module 601 is configured to determine a target frequency point, the target frequency point may be a frequency point of a signal after the intermodulation of the first signal and the second signal, wherein the first signal and the second signal are the frequency points of the mobile terminal through the dual link Signals transmitted by different links; the positioning module 602 is configured to use the second frequency band for positioning when the target frequency point determined by the determination module 601 falls within the first frequency band, wherein the first frequency band and the second frequency band are supported by the mobile terminal The positioning frequency band, the target frequency point falls outside the second frequency band.

Optionally, referring to FIG. 6 , as shown in FIG. 7 , the mobile terminal provided in this embodiment of the present invention may further include a control module 603 . The control module 603 is configured to control the opening of the second path before the positioning module 602 uses the second frequency band for positioning, and when both the first path and the second path are closed, wherein the first path is the first path used in the mobile terminal. The channel for positioning by frequency band, the second channel is a channel for positioning by using the second frequency band in the mobile terminal; the positioning module 602 is specifically configured to use the second channel for positioning by using the second frequency band.

Optionally, referring to FIG. 6 , as shown in FIG. 7 , the mobile terminal provided in this embodiment of the present invention may further include a control module 603 . The control module 603 is configured to control the closing of the first path before the positioning module 602 uses the second frequency band for positioning, and when both the first path and the second path are turned on, wherein the first path is used in the mobile terminal. The first frequency band positioning channel, the second channel is a second frequency band positioning channel in the mobile terminal; the positioning module 602 is specifically configured to adopt the second frequency band positioning through the second channel.

Optionally, in the embodiment of the present invention, the above-mentioned determining module 601 is specifically configured to determine the first frequency point and the second frequency point, and determine the target frequency point according to the first frequency point and the second frequency point; wherein, the first The frequency point is a frequency point of the first signal, and the second frequency point is a frequency point of the second signal.

Optionally, in this embodiment of the present invention, the above-mentioned first frequency point is a center frequency point of the first signal, and the second frequency point is a center frequency point of the second signal. The above determination module 601 is specifically used to determine the third frequency band and the fourth frequency band, and determine the center frequency point of the third frequency band as the first frequency point, and determine the center frequency point of the fourth frequency band as the second frequency point; The third frequency band is the frequency band of the first signal, and the fourth frequency band is the frequency band of the second signal.

Optionally, referring to FIG. 6 , as shown in FIG. 8 , the mobile terminal provided in this embodiment of the present invention may further include an acquiring module 604 . The acquiring module 604 is configured to acquire target information before the determining module 601 determines the target frequency point, wherein the target information is used to indicate the network currently accessed by the mobile terminal; the determining module 601 is also configured to acquire the target information according to the acquiring module 604 , to determine whether the mobile terminal is in the dual-link state; the determining module 601 is specifically configured to determine the target frequency point when it is determined that the mobile terminal is in the dual-link state.

Optionally, in this embodiment of the present invention, the above-mentioned first signal may be a signal transmitted by the mobile terminal through the first link in the dual link, and the second signal may be a signal transmitted by the mobile terminal through the second link in the dual link; wherein , the first link and the second link are links between the mobile terminal and networks of different standards.

Optionally, in this embodiment of the present invention, the above-mentioned first signal may be a signal in a long-term evolution network, and the second signal may be a signal in a new generation wireless network; the first frequency band may be L1 frequency band, and the second frequency band may be L5 frequency band; or, the first frequency band may be the L5 frequency band, and the second frequency band may be the L1 frequency band;

or,

The above-mentioned first signal may be a signal in a new generation wireless network, and the second signal may be a signal in a long-term evolution network; the first frequency band may be an L1 frequency band, and the second frequency band may be an L5 frequency band; or, the first frequency band may be an L5 frequency band. frequency band, and the second frequency band may be an L1 frequency band.

The mobile terminal provided by the embodiment of the present invention can realize each process implemented by the mobile terminal in the above method embodiment, and to avoid repetition, details are not repeated here.

An embodiment of the present invention provides a mobile terminal, the mobile terminal can determine the target frequency point (that is, the frequency point of the signal after the intermodulation of the first signal and the second signal, the first signal and the second signal are the mobile terminal through the dual link signals transmitted by different links), and when the target frequency falls within the first frequency band, the second frequency band can be used for positioning; wherein, the first frequency band and the second frequency band are positioning frequency bands supported by mobile terminals, and the The target frequency falls outside the second frequency band. Through this scheme, when a mobile terminal supporting multi-band positioning works in a dual-link state, if the frequency point of the intermodulated signal transmitted by the mobile terminal through different links in the dual link falls within a certain frequency point in the multi-band frequency band, then the mobile terminal can use frequency bands other than this frequency band for positioning in the multi-frequency band. That is, when a certain frequency band in the multi-frequency band used by the mobile terminal is interfered, the mobile terminal can use other frequency bands in the multi-frequency band for positioning, so that the positioning frequency band used by the mobile terminal is prevented from being interfered, thereby avoiding the interference The positioning result of the mobile terminal is affected, thereby improving the positioning accuracy of the mobile terminal.

FIG. 9 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention. As shown in Figure 9, the mobile terminal 100 includes, but is not limited to: a radio frequency unit 101, a network module 102, an audio output unit 103, an input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, and a memory 109 , processor 110, and power supply 111 and other components. Those skilled in the art can understand that the structure of the mobile terminal shown in Figure 9 does not constitute a limitation on the mobile terminal, and the mobile terminal may include more or less components than shown in the figure, or combine some components, or different components layout. In the embodiment of the present invention, the mobile terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted mobile terminal, a wearable device, and a pedometer.

Wherein, the processor 110 may be configured to determine the target frequency point, and use the second frequency band for positioning through the radio frequency unit 101 when the target frequency point falls within the first frequency band. Wherein, the target frequency point is the frequency point of the signal after the intermodulation of the first signal and the second signal, and the first signal and the second signal are signals transmitted by the mobile terminal through different links in the dual link; the first frequency band and the second frequency band It is the positioning frequency band supported by the mobile terminal, and the target frequency point falls outside the second frequency band.

Optionally, in this embodiment of the present invention, the processor 110 shown in FIG. 9 may specifically include the baseband processor 300 and the modem 301 shown in FIG. 3 in the foregoing method embodiment. The radio frequency unit 101 may specifically include a radio frequency transceiver 302 (on which a positioning module 3021 is integrated), a radio frequency front-end module 303 , a first path 306 and a second path 307 as shown in FIG. 3 in the above method embodiment.

For the description of the baseband processor 300, the modem 301, the radio frequency transceiver 302, the radio frequency front-end module 303, the first path 306 and the second path 307, etc., please refer to the relevant description of FIG. repeat.

An embodiment of the present invention provides a mobile terminal, the mobile terminal can determine the target frequency point (that is, the frequency point of the signal after the intermodulation of the first signal and the second signal, the first signal and the second signal are the mobile terminal through the dual link signals transmitted by different links), and when the target frequency falls within the first frequency band, the second frequency band can be used for positioning; wherein, the first frequency band and the second frequency band are positioning frequency bands supported by mobile terminals, and the The target frequency falls outside the second frequency band. Through this scheme, when a mobile terminal supporting multi-band positioning works in a dual-link state, if the frequency point of the intermodulated signal transmitted by the mobile terminal through different links in the dual link falls within a certain frequency point in the multi-band frequency band, then the mobile terminal can use frequency bands other than this frequency band for positioning in the multi-frequency band. That is, when a certain frequency band in the multi-frequency band used by the mobile terminal is interfered, the mobile terminal can use other frequency bands in the multi-frequency band for positioning, so that the positioning frequency band used by the mobile terminal is prevented from being interfered, thereby avoiding the interference The positioning result of the mobile terminal is affected, thereby improving the positioning accuracy of the mobile terminal.

It should be understood that, in the embodiment of the present invention, the radio frequency unit 101 can be used for receiving and sending signals during sending and receiving information or during a call. Specifically, after receiving the downlink data from the base station, the processor 110 processes it; Uplink data is sent to the base station. Generally, the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with the network and other devices through a wireless communication system. Among them, the low noise amplifier can be used to amplify the positioning signal received by the mobile terminal, so that the post-stage chip can process it.

The mobile terminal provides users with wireless broadband Internet access through the network module 102, such as helping users send and receive emails, browse web pages, and access streaming media.

The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the network module 102 or stored in the memory 109 into an audio signal and output as sound. Also, the audio output unit 103 can also provide audio output related to a specific function performed by the mobile terminal 100 (eg, call signal reception sound, message reception sound, etc.). The audio output unit 103 includes a speaker, a buzzer, a receiver, and the like.

The input unit 104 is used to receive audio or video signals. The input unit 104 may include a graphics processing unit (graphics processing unit, GPU) 1041 and a microphone 1042, and the graphics processing unit 1041 is used for still pictures or video images obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. The data is processed. The processed image frames may be displayed on the display unit 106 . The image frames processed by the graphics processor 1041 may be stored in the memory 109 (or other storage media) or sent via the radio frequency unit 101 or the network module 102 . The microphone 1042 can receive sound and can process such sound into audio data. The processed audio data can be converted into a format that can be sent to a mobile communication base station via the radio frequency unit 101 for output in the case of a phone call mode.

The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of the ambient light, and the proximity sensor can turn off the display panel 1061 and the display panel 1061 when the mobile terminal 100 moves to the ear / or backlighting. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when it is still, and can be used to identify the posture of mobile terminals (such as horizontal and vertical screen switching, related games, etc.) , magnetometer posture calibration), vibration recognition-related functions (such as pedometer, knocking), etc.; the sensor 105 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, Infrared sensors, etc., will not be repeated here.

The display unit 106 is used to display information input by the user or information provided to the user. The display unit 106 may include a display panel 1061 , and the display panel 1061 may be configured in the form of a liquid crystal display (liquid crystal display, LCD), an organic light-emitting diode (organic light-emitting diode, OLED), or the like.

The user input unit 107 can be used to receive input numbers or character information, and generate key signal input related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 includes a touch panel 1071 and other input devices 1072 . The touch panel 1071, also referred to as a touch screen, can collect touch operations of the user on or near it (for example, the user uses any suitable object or accessory such as a finger or a stylus on the touch panel 1071 or near the touch panel 1071). operate). The touch panel 1071 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch orientation, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and sends it to the For the processor 110, receive the command sent by the processor 110 and execute it. In addition, the touch panel 1071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 1071 , the user input unit 107 may also include other input devices 1072 . Specifically, other input devices 1072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.

Further, the touch panel 1071 can be covered on the display panel 1061, and when the touch panel 1071 detects a touch operation on or near it, it will be sent to the processor 110 to determine the type of the touch event, and then the processor 110 can The type of event provides a corresponding visual output on the display panel 1061 . Although in FIG. 9, the touch panel 1071 and the display panel 1061 are used as two independent components to realize the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 can be integrated. The implementation of the input and output functions of the mobile terminal is not specifically limited here.

The interface unit 108 is an interface for connecting an external device to the mobile terminal 100 . For example, an external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) ports, video I/O ports, headphone ports, and more. The interface unit 108 can be used to receive input from an external device (for example, data information, power, etc.) transfer data between devices.

The memory 109 can be used to store software programs as well as various data. The memory 109 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application program required by a function (such as a sound playback function, an image playback function, etc.) etc.; Data created by the use of mobile phones (such as audio data, phonebook, etc.), etc. In addition, the memory 109 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage devices.

The processor 110 is the control center of the mobile terminal, and uses various interfaces and lines to connect various parts of the entire mobile terminal, by running or executing software programs and/or modules stored in the memory 109, and calling data stored in the memory 109 , execute various functions of the mobile terminal and process data, so as to monitor the mobile terminal as a whole. The processor 110 may include one or more processing units; optionally, the processor 110 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs, etc., and the modem The tuner processor mainly handles wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 110 .

The mobile terminal 100 may also include a power supply 111 (such as a battery) for supplying power to various components. Optionally, the power supply 111 may be logically connected to the processor 110 through a power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.

In addition, the mobile terminal 100 includes some functional modules not shown, which will not be repeated here.

Optionally, an embodiment of the present invention also provides a mobile terminal, which may include the above-mentioned processor 110 shown in FIG. Program, when the computer program is executed by the processor 110, it implements the various processes implemented by the mobile terminal in the above method embodiments, and can achieve the same technical effect. To avoid repetition, details are not repeated here.

An embodiment of the present invention also provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the various processes implemented by the mobile terminal in the above-mentioned method embodiments can be achieved, and the same Technical effects, in order to avoid repetition, will not be repeated here. Wherein, the computer-readable storage medium may include a read-only memory (read-only memory, ROM), a random access memory (random access memory, RAM), a magnetic disk or an optical disk, and the like.

It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.

Through the description of the above embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation. Based on such an understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art can be embodied in the form of software products, and the computer software products are stored in a storage medium (such as ROM/RAM, disk, CD) contains several instructions to make a mobile terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method of each embodiment of the present invention.

Embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementations, and the above-mentioned specific implementations are only illustrative, rather than restrictive, and those of ordinary skill in the art will Under the enlightenment of the present invention, without departing from the gist of the present invention and the protection scope of the claims, many forms can also be made, all of which belong to the protection of the present invention.

Claims (18)

1. A positioning method applied to a mobile terminal, characterized in that the method comprises: Determine the target frequency point, the target frequency point is the frequency point of the signal after the intermodulation of the first signal and the second signal, and the first signal and the second signal are different links in the dual link of the mobile terminal transmitted signal; When the target frequency falls within the first frequency band, use the second frequency band for positioning, the first frequency band and the second frequency band are positioning frequency bands supported by the mobile terminal, and the first frequency band It is a frequency band interfered by the target frequency point, and the target frequency point falls outside the second frequency band. 2. The positioning method according to claim 1, wherein before the positioning using the second frequency band, the method further comprises: When both the first path and the second path are closed, the second path is controlled to be turned on, the first path is the path in the mobile terminal using the first frequency band positioning, and the second path is the In the above-mentioned mobile terminal, the channel positioned by the second frequency band is used; The positioning using the second frequency band includes: Positioning by using the second frequency band through the second path. 3. The positioning method according to claim 1, wherein before the positioning using the second frequency band, the method further comprises: When both the first path and the second path are turned on, the first path is controlled to be closed, the first path is the path positioned by the first frequency band in the mobile terminal, and the second path is the path positioned by the first frequency band. In the above-mentioned mobile terminal, the channel positioned by the second frequency band is used; The positioning using the second frequency band includes: Positioning by using the second frequency band through the second path. 4. The positioning method according to any one of claims 1 to 3, wherein said determining the target frequency point comprises: determining a first frequency point and a second frequency point, the first frequency point being a frequency point of the first signal, and the second frequency point being a frequency point of the second signal; Determine the target frequency point according to the first frequency point and the second frequency point. 5. The positioning method according to claim 4, wherein the first frequency point is the center frequency point of the first signal, and the second frequency point is the center frequency point of the second signal; The determination of the first frequency point and the second frequency point includes: determining a third frequency band and a fourth frequency band, the third frequency band being the frequency band of the first signal, and the fourth frequency band being the frequency band of the second signal; determining the center frequency point of the third frequency band as the first frequency point, and determining the center frequency point of the fourth frequency band as the second frequency point. 6. The positioning method according to any one of claims 1 to 3, wherein before the determination of the target frequency point, the method further comprises: acquiring target information, where the target information is used to indicate the network currently accessed by the mobile terminal; determining whether the mobile terminal is in a dual link state according to the target information; The determination of the target frequency point includes: When the mobile terminal is in a dual link state, the target frequency point is determined. 7. The positioning method according to any one of claims 1 to 3, wherein the first signal is a signal transmitted by the mobile terminal through the first link in the dual link, and the second signal is A signal transmitted by the mobile terminal through the second link in the dual link; Wherein, the first link and the second link are links between the mobile terminal and networks of different standards. 8. The method according to claim 1, wherein the first signal is a signal in a long-term evolution network, and the second signal is a signal in a new generation wireless network; the first frequency band is an L1 frequency band , the second frequency band is the L5 frequency band; or, the first frequency band is the L5 frequency band, and the second frequency band is the L1 frequency band; or, The first signal is a signal in a new generation wireless network, and the second signal is a signal in a long-term evolution network; the first frequency band is an L1 frequency band, and the second frequency band is an L5 frequency band; or, the first The first frequency band is the L5 frequency band, and the second frequency band is the L1 frequency band. 9. A mobile terminal, comprising: a determination module and a positioning module; The determination module is configured to determine a target frequency point, the target frequency point is the frequency point of the signal after the intermodulation of the first signal and the second signal, and the first signal and the second signal are the frequency points of the mobile terminal Signals transmitted over different links in a dual link; The positioning module is configured to use a second frequency band for positioning when the target frequency point determined by the determination module falls within the first frequency band, and the first frequency band and the second frequency band are the mobile The positioning frequency band supported by the terminal, and the first frequency band is a frequency band interfered by the target frequency point, and the target frequency point falls outside the second frequency band. 10. The mobile terminal according to claim 9, further comprising a control module; The control module is configured to control the opening of the second path when both the first path and the second path are closed before the positioning module uses the second frequency band for positioning, and the first path is the A channel in the mobile terminal that uses the first frequency band for positioning, and the second channel is a channel in the mobile terminal that uses the second frequency band for positioning; The positioning module is specifically configured to use the second frequency band for positioning through the second path. 11. The mobile terminal according to claim 9, further comprising a control module; The control module is configured to control the closing of the first path when both the first path and the second path are turned on before the positioning module uses the second frequency band for positioning, and the first path is the A channel in the mobile terminal that uses the first frequency band for positioning, and the second channel is a channel in the mobile terminal that uses the second frequency band for positioning; The positioning module is specifically configured to use the second frequency band for positioning through the second path. 12. The mobile terminal according to any one of claims 9 to 11, wherein the determining module is specifically configured to determine the first frequency point and the second frequency point, and according to the first frequency point and the The second frequency point is to determine the target frequency point; the first frequency point is a frequency point of the first signal, and the second frequency point is a frequency point of the second signal. 13. The mobile terminal according to claim 12, wherein the first frequency point is a center frequency point of the first signal, and the second frequency point is a center frequency point of the second signal; The determination module is specifically configured to determine the third frequency band and the fourth frequency band, determine the center frequency point of the third frequency band as the first frequency point, and determine the center frequency point of the fourth frequency band as The second frequency point; the third frequency band is a frequency band of the first signal, and the fourth frequency band is a frequency band of the second signal. 14. The mobile terminal according to any one of claims 9 to 11, wherein the mobile terminal further comprises an acquisition module; The obtaining module is configured to obtain target information before the determining module determines the target frequency point, and the target information is used to indicate the network currently accessed by the mobile terminal; The determination module is further configured to determine whether the mobile terminal is in a dual link state according to the target information acquired by the acquisition module; The determining module is specifically configured to determine the target frequency point when it is determined that the mobile terminal is in a dual link state. 15. The mobile terminal according to any one of claims 9 to 11, wherein the first signal is a signal transmitted by the mobile terminal through the first link in the dual link, and the second signal is A signal transmitted by the mobile terminal through the second link in the dual link; Wherein, the first link and the second link are links between the mobile terminal and networks of different standards. 16. The mobile terminal according to claim 9, wherein the first signal is a signal in a long-term evolution network, and the second signal is a signal in a new generation wireless network; the first frequency band is L1 frequency band, the second frequency band is the L5 frequency band; or, the first frequency band is the L5 frequency band, and the second frequency band is the L1 frequency band; or, The first signal is a signal in a new generation wireless network, and the second signal is a signal in a long-term evolution network; the first frequency band is an L1 frequency band, and the second frequency band is an L5 frequency band; or, the first The first frequency band is the L5 frequency band, and the second frequency band is the L1 frequency band. 17. A mobile terminal, characterized by comprising a processor, a memory, and a computer program stored on the memory and operable on the processor, when the computer program is executed by the processor, the The steps of the positioning method described in any one of requirements 1 to 8. 18. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the positioning according to any one of claims 1 to 8 is realized method steps.