WO2018102979A1 - Beam selection system, and relay method and device - Google Patents

Abstract

Disclosed is a relay device. The relay device is constituted by at least two beam selection systems in communication with each other, each of the beam selection systems comprising: an aperture antenna, a plurality of feed sources, a radio frequency to direct current conversion apparatus and a beam selection control apparatus, wherein each of the at least two beam selection systems respectively corresponds to different beam scanning ranges; the radio frequency to direct current conversion apparatus is coupled with radio frequency signals received by the feed sources, and converts the coupled radio frequency signals into direct current signals to be provided to the beam selection control apparatus; and the beam selection control apparatus is used for selecting a working feed source according to the plurality of direct current signals. By means of the embodiments of the present application, a relay device can realize beam alignment according to received radio frequency signals and provide electric power required for the running of the relay device, thereby greatly reducing deployment requirements.

Description

Beam selection system, relay method and device Technical field

The embodiments of the present invention relate to the field of communications technologies, and in particular, to a beam selection system, a relay method, and a device.

Background technique

In the wireless communication technology, the microwave device is mainly used for a scene returned by a base station. With the development of wireless technology, the density of base station deployment is getting higher and higher, and the introduction of a small cell (Small Cell) further increases the density of the base station. Due to the difficulty of site selection, these base stations (including small stations) are deployed in the light. In the scenes such as poles and roofs, due to the complicated environment and many obstructions, many non-line-of-sight scenarios are encountered at this time, which poses a challenge to establish a microwave backhaul link between base stations.

The backhaul link of the base station is usually implemented by the diffraction or reflection effect of the radio frequency signal emitted by the microwave device. However, in addition to the specific frequency band of the RF signal, the diffraction or reflection effect of the RF signal is heavily dependent on the material and shape of the diffractive or reflective surface. Since the material and shape of the diffractive or reflective surface are relatively random in the actual situation, the scheme cannot be predicted. The beam direction after diffraction or reflection, signal insertion loss, etc., are difficult to deploy in actual scenarios.

Summary of the invention

The embodiment of the present application provides a beam selection system, a relay method, and a device. In the embodiment of the present application, by adding a radio frequency signal relay device with a beam selection system on the microwave link, the beam direction of the radio signal can be adaptively adjusted according to the received radio frequency signal, and the signal insertion loss can be predicted in advance, and can also be utilized. The received radio frequency signal realizes the power supply of the relay device, that is, the power supply is not needed, thereby solving the problem that the microwave backhaul link in the non-line-of-sight scenario is difficult to deploy in the prior art.

In a first aspect, an embodiment of the present application provides a beam selection system. The beam selection system The body includes: an aperture antenna, a plurality of radio frequency to DC conversion devices, and a beam selection control device. The beam selection control device is composed of a radio frequency switch and a radio frequency switch control device, and the aperture antenna includes a plurality of feed sources and an antenna aperture. Wherein at least one of the plurality of feeds receives the radio frequency signal from one beam direction through the antenna aperture; the radio frequency to DC conversion device respectively couples the plurality of radio frequency signals received by the plurality of feeds, and the plurality of coupled signals are coupled The radio frequency signals are respectively converted into a plurality of DC signals to be supplied to the beam selection control device; the beam selection control device is configured to select a feed corresponding to the at least one DC signal having the strongest signal strength among the plurality of DC signals as a working feed. Through the embodiments of the present application, the beam selection system can implement beam alignment according to the received radio frequency signals and provide power for the relay device to operate, thereby greatly reducing deployment requirements.

In an alternative implementation, the antenna aperture is used to focus the received and transmitted radio frequency signals; since the beam direction of the aperture antenna is determined by the relative position between the center of the feed signal and the focus of the antenna aperture, the plurality of feeds Combining the antenna aperture may constitute a beam scanning range; one of the plurality of feeds or the plurality of adjacent feeds is for receiving a radio frequency signal from a corresponding beam direction thereof, or transmitting the radio frequency in a corresponding beam direction thereof The RF switch includes a plurality of switch branches, each branch of the plurality of switch branches is correspondingly connected with one of the plurality of feeds or a plurality of adjacent feeds; the RF switch is also connected to the RF switch control device Connecting; the plurality of radio frequency to DC conversion devices correspond to one or more of the plurality of feeds, one end of each of the plurality of radio frequency to DC conversion devices is connected to one feed through a signal coupling device, and the other end is connected to the RF switch control a device; each RF to DC conversion device receives a coupled RF signal from a signal received by the feed, and the RF signal is coupled by the RF to DC conversion device The DC signal is provided to the RF switch control device, and each DC signal corresponds to a feed; the RF switch control device selects a feed or a group of adjacent feeds corresponding to at least one DC signal having the strongest signal strength in the DC signal as a working feed, the RF switch control device controls the RF switch to determine the strongest DC signal (for example, the signal strength of the DC signal can be judged by the voltage of the DC signal, and the strongest DC signal can refer to a DC with a higher voltage The corresponding branch of the signal or the switching branches of the plurality of adjacent feeds are connected to realize the adaptive selection of the beam direction; the RF switch control device requires a certain amount of electric energy to implement the beam selection process and the RF switch A DC signal is provided to control switching of the switch, and the required power can be obtained from the DC signal provided by the RF to DC conversion device. Through the embodiments of the present application, the beam selection system can implement beam alignment according to the received radio frequency signals and provide power for the relay device to operate, thereby greatly reducing deployment requirements.

In a second aspect, an embodiment of the present application provides a relay device. The apparatus is comprised of at least two beam selection systems as described in connection with the first aspect described above, wherein each of the at least two beam selection systems respectively corresponds to a different beam scanning range.

In an optional implementation, the relay device is used for communication between the first microwave device and the second microwave device, the first microwave device sends the first radio frequency signal, and the second microwave device sends the second radio frequency signal; a beam scanning range of the first radio frequency signal in a first beam selection system of the at least two beam selection systems, and a beam scanning range of the second radio frequency signal in a second beam selection system of the at least two beam selection systems; The RF switch control device is configured to communicate a working feed of the first beam selection system with a working feed of the second beam selection system. The embodiment of the present application can realize that the radio frequency signal is separately transmitted by the receiving end and the transmitting end, and the working feed source is adaptively selected according to the incident angle of the electromagnetic wave, thereby greatly reducing the deployment difficulty.

In another optional implementation, the at least two beam selection systems can share a single RF switch control device.

In still another alternative implementation, the device is comprised of two beam selection systems that are in communication with one another, the plurality of beam selection systems being in direct communication.

In still another optional implementation, the device is composed of multiple beam selection systems that are connected to each other, and the plurality of beam selection systems are connected by a switch matrix, and the RF switch control device controls the switch matrix to place the two working sources. The beam selection systems are connected.

In a third aspect, an embodiment of the present application provides a radio frequency signal relay method. The method specifically includes: the relay device determines a plurality of DC signals corresponding to the plurality of feeds of the first beam selection system, and the plurality of DC signals are obtained by coupling the RF signals received by the plurality of feeds of the first beam selection system, The relay device determines a plurality of DC signals corresponding to the plurality of feeds of the second beam selection system, the plurality of straight The stream signal is obtained by coupling a radio frequency signal received by a plurality of feeds of the second beam selection system. Determining, by the relay device, one or more adjacent feeds corresponding to at least one DC signal having the strongest signal strength among the plurality of DC signals of the first beam selection system as a working feed of the first beam selection system, and the At least one corresponding one or more adjacent feeds of the plurality of direct current signals of the two beam selection system having the strongest signal strength serve as working feeds of the second beam selection system. Through the embodiment of the present application, the radio frequency switch control device can select the working feed according to the DC signal, and adaptively select the working feed, so that the relay device can receive and transmit the radio frequency signal in the correct direction, and the radio frequency signal is The transmission between the first beam selection system and the second beam selection system enables relaying of the radio frequency signals.

In one possible implementation, the RF switch control device is powered by a DC signal obtained by coupling a RF signal received by the feed.

In a fourth aspect, an embodiment of the present application provides a radio frequency switch control apparatus. The radio frequency signal relay device is applicable to a relay device, and the device includes: a first receiver, configured to determine a plurality of DC signals corresponding to the plurality of feeds of the first beam selection system, and the plurality of DC signals are coupled by the first Obtaining a radio frequency signal received by a plurality of feeds of a beam selection system; the second receiver is configured to determine a plurality of DC signals corresponding to the plurality of feeds of the second beam selection system, and the plurality of DC signals are coupled by the second And obtaining, by the plurality of feeds of the beam selection system, a radio frequency signal; and determining, by the processor, a feed or a plurality of adjacent feeds corresponding to the DC signal of the plurality of feeds of the first beam selection system The source is a working feed of the first beam selection system, and one of the plurality of feeds of the second beam selection system having the strongest DC signal or a plurality of adjacent feeds is used as the first beam selection system a working feed; the processor is further configured to control a radio frequency switch of the first beam selection system and a radio frequency switch of the second beam selection system, to work on the first beam selection system Said second feed beam selection work feed system communication. Specifically, the working feed of the first beam selection system and the working feed of the second beam selection system comprise: controlling respective working feeds of the radio frequency switch gating beam selection systems of the respective beam selection systems; Selecting a ground may further include controlling a switch matrix between the beam selection systems to implement a connection between the selected beam selection systems through.

In an optional implementation, the first receiver is specifically configured to determine a DC signal sent by the RF to DC conversion device, where the RF to DC conversion device is received by multiple feeds respectively coupled to the first beam selection system. The RF signal is respectively obtained by the DC signal; the second receiver is specifically configured to determine a DC signal sent by the RF to DC conversion device, wherein the RF to DC conversion device is coupled to the second beam selection system respectively The RF signals received by the plurality of feeds respectively obtain the DC signals.

In a fifth aspect, an embodiment of the present application provides a radio frequency signal relay device. The radio frequency signal relay device is applicable to the relay device, and the device includes: a first receiving unit, configured to determine a plurality of DC signals corresponding to the plurality of feeds of the first beam selection system, and the plurality of DC signals are coupled by the first Obtaining a radio frequency signal received by a plurality of feeds of a beam selection system; and determining, by the second receiving unit, a plurality of DC signals corresponding to the plurality of feeds of the second beam selection system, the plurality of DC signals being coupled by the first a radio frequency signal received by the plurality of feeds of the beam selection system; the processing unit configured to determine at least one corresponding one or more adjacent feeds of the plurality of DC signals of the first beam selection system that have the strongest signal strength The source serves as a working feed of the first beam selection system, and a corresponding one of the plurality of DC signals of the second beam selection system having the strongest signal strength serves as a working feed of the first beam selection system; The unit is further configured to communicate a working feed of the first beam selection system with a working feed of the second beam selection system. Specifically, the working feed of the first beam selection system and the working feed of the second beam selection system comprise: controlling respective working feeds of the radio frequency switch gating beam selection systems of the respective beam selection systems; Optionally, the method further includes controlling a switch matrix between the beam selection systems to implement connectivity between the selected beam selection systems.

In a sixth aspect, an embodiment of the present application provides a computer storage medium for storing computer software instructions for use in the foregoing relay device, including a program designed to perform the above third aspect and optionally implementation.

DRAWINGS

1 is a schematic structural diagram of a relay device;

2 is a schematic diagram of a working mode of a relay device;

FIG. 3 is a schematic structural diagram of a beam selection system according to an embodiment of the present disclosure;

4 is a schematic structural diagram of a control circuit according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of an example provided by an embodiment of the present application;

FIG. 6 is a schematic structural diagram of another example provided by an embodiment of the present application;

7 is a schematic structural diagram of another relay device;

8 is a schematic structural diagram of still another relay device;

FIG. 9 is a method for relaying a radio frequency signal according to an embodiment of the present application;

FIG. 10 is a schematic structural diagram of a radio frequency signal relay apparatus according to an embodiment of the present disclosure.

detailed description

The embodiment of the present application provides a relay device. The device is composed of at least two beam selection systems that are connected to each other. Each beam selection system specifically includes: an aperture antenna, a plurality of radio frequency to DC conversion devices, and a beam selection control device. The beam selection control device is composed of a radio frequency switch and a radio frequency switch control device, and the aperture antenna includes a plurality of feed sources and an antenna aperture.

The plurality of beam selection systems may share the aperture antenna and the beam selection control device, or may have separate beam selection control devices and aperture antennas, respectively.

It should be noted that, in the embodiment of the present application, the “work feed” refers to a feed for receiving a radio frequency signal and transmitting a radio frequency signal when the relay device provides a relay service (radio frequency signal forwarding), or a beam selection. A feed for receiving radio frequency signals or transmitting radio frequency signals in the system.

FIG. 1 is a schematic structural diagram of a relay device. As shown in FIG. 1, the relay device 100 includes an aperture antenna and a control circuit 13.

The aperture antenna includes an antenna aperture 11 and a plurality of feeds 12. A plurality of feeds 12 may constitute at least two feed arrays. Wherein, the aperture antenna may include one or more, or each aperture antenna One or more antenna apertures may be included.

It should be understood that the antenna aperture is used to achieve the required antenna gain, in particular, the antenna aperture is used to focus the received and transmitted RF signals; for example, a lens device or a parabolic device can be used for receiving and transmitting electromagnetic signals. Focus on. Multiple antenna apertures can be used to focus electromagnetic waves in different directions.

Each of the feed arrays is composed of at least one feed source, each of the feeds cooperates with the antenna aperture corresponding to one beam direction, or a plurality of adjacent feeds form a combination, and the set of feeds cooperates with the antenna aperture corresponding to one beam direction, Wherein, the beam direction is determined by the relative position between the center of the feed signal and the focus of the antenna aperture. A feed or a set of feeds are used to receive radio frequency signals from their corresponding beam directions or to transmit radio frequency signals in their corresponding beam directions.

The at least one feed included in the feed array may correspond to at least one beam direction, the at least one beam direction forming a beam scan range.

The feed arrays in the relay device 100 respectively correspond to different beam scanning ranges.

In the embodiment of the present application, as shown in FIG. 2, the relay device 100 is used for communication between the microwave device 200 and the microwave device 300. When the deployment is started, the microwave device 200 and the microwave device 300 respectively send radio frequencies to the relay device 100. Signal 210 and radio frequency signal 220. The beam direction of the radio frequency signal 210 is within the beam scanning range of the feed array 121, and the beam direction of the radio frequency signal 220 is within the beam scanning range of the feed array 122. The RF signal 210 and the RF signal 220 are respectively focused by the aperture antenna 11 on the feed array 121 and the feed array 122. The feed array 121 and the feed array 122 respectively comprise a plurality of feeds, and each feed is The center distance of the RF signal that is focused by the aperture is different, and the received RF signal strength is also different. For example, the RF signal 210 is focused on the feed array 121 via the aperture antenna 11, and one or more feeds on the feed array 121 can Receiving the RF signal 210 after being focused by the aperture antenna 11, wherein the feed 1211 is closest to the center of the focused RF signal 210, so the received RF signal is the strongest. Similarly, the feed 1221 is away from the focused RF signal 220. The center of the center is the closest, so the received RF signal is the strongest.

Control circuit 13 is received by each feed from feed array 121 and feed array 122 A part of the signal is coupled to the RF signal, the DC signal is obtained by the RF to DC conversion unit, and the DC signal corresponding to each of the coupled sources is compared, and one or more feeds corresponding to the strongest one or more DC signals are selected. The source acts as a working feed.

Here, the DC signal can be compared by comparing the voltage of the DC signal. The larger the voltage, the stronger the DC signal.

Since the strength of the RF signal received by each feed is different, the intensity of the RF signal received by coupling the plurality of feeds and the converted DC signal are also different, and the RF signal received by the feed is different. The stronger, the stronger the DC signal obtained by coupling and conversion.

The control circuit 13 can respectively select the working feed according to the at least one DC signal corresponding to the feed array 121 and the feed array 122. As shown in FIG. 2, the control circuit 13 determines that the DC signal 210 received by the feed 1211 corresponding to the feed array 121 is coupled and converted to obtain the strongest DC signal, and determines the feed 1221 corresponding to the feed array 122. The part of the RF signal 220 is coupled and converted to obtain the strongest DC signal. The control circuit 13 communicates the feed 1221 and the feed 1211 through a radio frequency switch. In this way, when the microwave device 200 and the microwave device 300 communicate with each other through the relay device 100, the relay device 100 receives the radio frequency signal sent by the microwave device 200 through the feed 1211, and transmits the radio frequency signal to the feed 1221 by the feed 1211. And being sent by the feed 1221 to the microwave device 300. Accordingly, the relay device 100 receives the radio frequency signal sent by the microwave device 300 through the feed 1221, and transmits the radio frequency signal to the feed 1211 by the feed 1221, and the feed 1211 It is sent to the microwave device 200.

The radio frequency signal 210 and the radio frequency signal 220 may be referred to as an initial radio frequency signal or an initial radio frequency signal or the like.

It should be noted that the structure of the relay device 100 shown in FIG. 1 is only an example. The relay device involved in the present application includes a feed array and the feed included in each feed array may have other layouts.

In addition, one beam scanning range may correspond to one beam selection system, and the beam selection system is composed of an aperture antenna and a control circuit. For example, antenna aperture 11, one of feed arrays 12, and control circuitry 13 may be referred to as a beam selection system. The beam selection system can realize the wave of the radio frequency signal Adaptive selection of beam angles.

3 is a schematic structural diagram of a beam selection system according to an embodiment of the present disclosure. For the beam selection system, refer to the structure of the beam selection system in the foregoing relay device. The beam selection system may specifically include: an antenna aperture, multiple Feed, RF to DC conversion device and beam selection control device.

It should also be noted that the feed array 12 may be composed of multiple feeds or may be composed of multiple sub-feed arrays, wherein each sub-feed array includes at least one feed.

The structure of the control circuit 13 in the embodiment of the present application is further described below.

As shown in FIG. 4, the control circuit 13 includes: a radio frequency switch 131, a radio frequency to DC conversion device 132, and a radio frequency switch control device 133:

The RF switch 131 can include multiple, and the RF switch has a one-to-one correspondence with the feed array. As shown in FIG. 3, the feed array 121 corresponds to the RF switch 1311. Each of the RF switches includes a plurality of branches, and the plurality of branches of each of the RF switches are correspondingly connected to one or more feeds in the feed array corresponding to the RF switch, or multiple branches of the RF switch Each branch in the connection is connected to a plurality of adjacent sets of feeds.

Specifically, the RF switch may be a single pole multiple throw switch, and the throw end (switch branch) of the single-pole multi-throw switch is respectively connected with one or more feeds in the feed array, and more The RF switches are connected to each other through the Pole end.

The RF switch 131 is connected to the RF switch control device 133 to form a beam selection control device, and the RF switch control device 133 controls the on and off of the RF switch 131.

A plurality of RF to DC conversion devices are in one-to-one correspondence with a plurality of feeds. One end of each RF to DC conversion device is connected to one feed through a signal coupling device, and the other end is connected to the RF switch control device 133; each RF to DC conversion device receives a part of the RF signal through the coupling feed, and the RF to DC conversion device The coupled RF signal is converted to a DC signal and provided to the RF switch control device 133.

As shown in FIG. 4, the feed array 121 is shown as being composed of feeds 1211, 1212, 1213, wherein the feed 1211 is connected to a radio frequency to DC converter 1321, and the feed 1212 is RF to DC. The conversion device 1322 is connected, the feed 1213 is connected to the RF to DC conversion device 1323, and the other ends of the feeds 1211, 1212, 1213 are respectively connected to the throw end of the RF switch 1311. The RF to DC conversion devices 1321, 1322, and 1323 are connected to the RF switch control device 133, respectively.

The RF switch control device 133 is configured to select, according to the DC signal provided by the RF to DC conversion device, the strongest DC signal in the DC signal corresponding to the same feed array, the RF switch control device 133 controls the RF switch 131, and the feed is The branches of the corresponding feed source with the strongest DC signal corresponding to the array are connected. Alternatively, the RF switch control device 133 is configured to select, according to the DC signal provided by the RF to DC conversion device, the plurality of DC signals corresponding to the same feed array, and the DC signal corresponding to the feed array is the strongest. The branches of the plurality of corresponding feeds are in communication, wherein the feeds corresponding to the plurality of strongest DC signals are adjacent.

As shown in FIG. 4, the RF switch control unit 133 controls the throw end of the single-pole multi-throw switch to be connected to the corresponding Pole end of one of the feeds 1211, 1212, and 1213.

In the embodiment of the present application, the DC signal provided by the RF to DC conversion device 132 can directly supply power to the RF switch control device 133. Specifically, the radio frequency to DC conversion device 132 supplies a DC signal to the RF switch control device 133 to provide power to the RF switch control device 133 for switching branch selection.

In addition, DC switching is required to achieve switching (each specific DC signal corresponds to a specific branch). Specifically, the radio frequency switch control device 133 uses the DC signal provided by the radio frequency to DC conversion device 132 to determine the required DC signal and outputs it to the RF switch for performing the switching operation.

In the embodiment of the present application, one beam selection system may include one or more radio frequency switches, and the radio frequency switch control device may include multiple, each radio frequency switch control device controls one radio frequency switch. Of course, multiple RF switches can be controlled by the same RF switch control device. For example, the RF switch control device can include multiple RF to DC converter access ports and multiple RF switch access ports; multiple RF to DC conversions. The device access ports can be divided into multiple groups, and multiple RF switch access ports can include multiple groups, and the RF to DC conversion device access port group can be connected with the RF switch access port group. One-to-one correspondence; wherein, one RF switch can be connected to a radio frequency switch access port group of the radio frequency switch control device, and the radio frequency switch corresponding to the plurality of radio frequency to DC conversion devices can be respectively connected to the radio frequency switch connected to the radio frequency switch The access port of the radio frequency to DC conversion device access port group corresponding to the port group is connected.

As shown in FIG. 5, the relay device includes only two beam selection systems that can be connected by direct connection. For more than two beam selection systems, the switch matrix 401 needs to be connected, and the switch matrix can be controlled by the radio frequency switch. Control is performed, wherein the switch matrix can be a plurality of interconnected single-pole multi-throw switches.

It should be noted that the switch matrix 401 may be a combination of radio frequency switches of the two or more beam selection systems, or may be a switch matrix of radio frequency switches connecting the two or more beam selection systems. In addition, the switch matrix can be controlled by a separate RF switch control device or a RF switch control device can be shared with the RF switch.

The embodiment of the present application is further described below with reference to a specific example to relay a radio frequency signal including three beam selection systems.

In one example, as shown in FIG. 6, a feed array of a plurality of beam selection systems can be connected by a switch matrix that can connect branches corresponding to any two feeds such that the two feeds Connected, in other words, the switch matrix is formed by interconnecting the RF switches of the plurality of beam selection systems. In the example shown in FIG. 6, the switch matrix can be controlled by a radio frequency switch control device, that is, the radio frequency switches of the plurality of beam selection systems share a single radio frequency switch control device.

According to the embodiment of the present application, the relay device may determine two beam directions according to the two radio frequency signals according to the radio frequency signals respectively sent by the two microwave devices, and connect the feeds corresponding to the two beam directions, thereby achieving incident according to electromagnetic waves. The angle adaptively selects the working feed, and therefore does not need to be aligned, thereby greatly reducing the deployment requirements. The embodiment of the present application can also obtain the current for the relay device by coupling the radio frequency signal, which greatly reduces the deployment requirements.

In an embodiment, the relay device may further include a power supply module. The power supply module can be used at the start The relay device is powered, wherein the power supply module can be used for emergency power supply.

In one example, the power supply module can be a battery, as shown in FIG. 7, the battery 14 can be coupled to a control circuit to provide electrical power for control circuit operation.

In another example, the power supply module can also include a solar panel. As shown in FIG. 8, the antenna casing of the relay device is formed in the form of a solar panel 15, and power is supplied by solar energy.

FIG. 9 is a method for relaying a radio frequency signal according to an embodiment of the present application. As shown in FIG. 9, the method specifically includes:

S610. The relay device determines multiple DC signals corresponding to multiple feeds of the first beam selection system. The DC signal is in one-to-one correspondence with the plurality of feeds of the first beam selection system. The plurality of DC signals are obtained by coupling RF signals received by a plurality of feeds of the first beam selection system.

The beam selection control device can determine the DC signal of the DC signal sent by the RF to DC conversion device, wherein the RF to DC conversion device obtains the DC signal by respectively coupling the RF signals received by the plurality of feeds of the first beam selection system. The DC signal includes a DC signal. For example, in the embodiment shown in FIG. 1 to FIG. 8 , the multiple feeds of the first beam selection system may be the feed arrays 121 and 122. For details, refer to the description in the foregoing embodiments, and details are not described herein.

S620. The relay device determines multiple DC signals corresponding to multiple feeds of the second beam selection system. The plurality of direct current signals are obtained by coupling radio frequency signals received by a plurality of feeds of the second beam selection system.

The beam selection control device receives the DC signal sent by the RF to DC conversion device, wherein the RF to DC conversion device respectively obtains the RF signals received by the plurality of feeds included in the plurality of feeds of the second beam selection system, respectively A DC signal, the DC signal comprising a DC signal. For the specific process, reference may be made to the description in the foregoing embodiments, and details are not described herein.

S630. The relay device selects at least one corresponding feed source with the strongest signal strength among the plurality of DC signals of the first beam selection system as a working feed of the first beam selection system, and multiple DCs of the second beam selection system. At least one corresponding feed having the strongest signal strength in the signal serves as a working feed for the first beam selection system.

S640. The relay device connects the working feed of the first beam selection system with the working feed of the second beam selection system.

Specifically, the working feed of the first beam selection system and the working feed of the second beam selection system comprise: controlling respective working feeds of the radio frequency switch gating beam selection systems of the respective beam selection systems; Optionally, the method further includes controlling a switch matrix between the beam selection systems to implement connectivity between the selected beam selection systems.

FIG. 10 is a beam selection control apparatus according to an embodiment of the present application. As shown in FIG. 9, the switching device is applied to a relay device, and includes: a first receiver 701, a second receiver 702, a radio frequency switch control device 703, and a memory 704; and each module is connected by a bus.

The first receiver 701 is configured to determine a plurality of DC signals corresponding to the plurality of feeds of the first beam selection system, where the plurality of DC signals are obtained by coupling the RF signals received by the plurality of feeds of the first beam selection system; The receiver 702 is configured to determine a plurality of DC signals corresponding to the plurality of feeds of the second beam selection system; the plurality of DC signals are obtained by coupling the RF signals received by the plurality of feeds of the second beam selection system; the RF switch control device 703, configured to determine one or more corresponding feeds of the plurality of DC signals of the first beam selection system that have the strongest signal strength as a working feed of the first beam selection system, and the second beam selection system One or more corresponding feeds of the plurality of DC signals having the strongest signal strength are used as working feeds of the first beam selection system; the RF switch control device 703 is further configured to use the working feed of the first beam selection system The working feeds of the second beam selection system are in communication. Specifically, the working feed of the first beam selection system and the working feed of the second beam selection system comprise: controlling respective working feeds of the radio frequency switch gating beam selection systems of the respective beam selection systems; Optionally, the method further includes controlling a switch matrix between the beam selection systems to implement connectivity between the selected beam selection systems.

The RF switch control device 703 can be a central processing unit (CPU), or a combination of a CPU and a hardware chip. The hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD), or a combination thereof. The above PLD can be complex programmable logic Complex programmable logic device (CPLD), field-programmable gate array (FPGA), general array logic (GAL) or any combination thereof.

A memory can also be included for storing data as well as programs. The memory may include a volatile memory (English: volatile memory), such as random-access memory (RAM); the memory may also include non-volatile memory (English: non-volatile memory), for example only Read memory (English: read-only memory, ROM), flash memory (English: flash memory), hard disk (English: hard disk drive, HDD) or solid state drive (English: solid-state drive, SSD); memory can also A combination of memories of the above kind is included.

A person skilled in the art should further appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both, in order to clearly illustrate hardware and software. Interchangeability, the composition and steps of the various examples have been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods to implement the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present application.

It will be understood by those skilled in the art that all or part of the steps of implementing the above embodiments may be performed by a program, and the program may be stored in a computer readable storage medium, which is non-transitory ( English: non-transitory) media, such as random access memory, read-only memory, flash memory, hard disk, solid state disk, magnetic tape (English: magnetic tape), floppy disk (English: floppy disk), CD (English: optical disc) And any combination thereof.

The above description is only a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto, and any person skilled in the art can easily think of changes or within the technical scope disclosed in the present application. Replacement should be covered by the scope of this application. Therefore, the scope of protection of the present application should be determined by the scope of protection of the claims.

Claims (11)

A beam selection system, comprising: an antenna aperture, a plurality of feeds, a radio frequency to DC conversion device, and a beam selection control device; At least one of the plurality of feeds receives a radio frequency signal from a beam direction through an antenna aperture; The radio frequency to DC conversion device respectively couples a plurality of radio frequency signals received by the plurality of feed sources, and converts the coupled plurality of radio frequency signals into a plurality of DC signals to be supplied to the beam selection control device; The beam selection control device is configured to select a feed corresponding to at least one DC signal having the strongest signal strength among the plurality of DC signals as a working feed. The system according to claim 1, wherein said beam selection control means comprises a radio frequency switch and a radio frequency switch control device, said radio frequency switch comprising a plurality of switch branches, said plurality of switch branches and said plurality At least one of the feeds corresponds to; the radio frequency switch control device is configured to connect the switch branches corresponding to the working feed. The system of claim 2 wherein said RF switch is a single pole multi throw switch. The system according to any one of claims 1 to 3, wherein the radio frequency to DC conversion device comprises a plurality of, and a plurality of radio frequency to DC conversion devices are in one-to-one correspondence with the plurality of feeds. One end of each of the RF to DC conversion devices is connected to a feed through a signal coupling device, and the other end is connected to the beam selection control device. The system according to any one of claims 1 to 4, further comprising a power supply module, the power supply module comprising a battery power supply module or a solar power supply module. A relay device, characterized in that the relay device comprises at least two beam selection systems according to any one of claims 1-5, at least two beam selection systems being interconnected. The relay device according to claim 6, wherein the relay device comprises a first beam selection system and a second beam selection system, and the beam selection control device is further configured to use the first wave The working feed of the beam selection system is in communication with the working feed of the second beam selection system. The relay device according to claim 6 or 7, wherein the at least two beam selection systems comprise beam selection control devices that are the same. A relay method, characterized in that the relay method is applicable to a relay device, the relay device comprising a first beam selection system and a second beam selection system, the two beam selection systems respectively comprising a plurality of feeds , the method includes: The relay device determines a plurality of DC signals corresponding to the plurality of feeds of the first beam selection system, and the plurality of DC signals are obtained by coupling the RF signals received by the plurality of feeds of the first beam selection system; The relay device determines a plurality of DC signals corresponding to the plurality of feeds of the second beam selection system, and the plurality of DC signals are obtained by coupling the RF signals received by the plurality of feeds of the second beam selection system ; The relay device selects at least one corresponding feed source having the strongest signal strength among the plurality of DC signals of the first beam selection system as a working feed of the first beam selection system, and selects the second beam selection system At least one corresponding feed having the strongest signal strength among the plurality of DC signals is used as a working feed of the second beam selection system; The relay device communicates a working feed of the first beam selection system with a working feed of the second beam selection system. The method according to claim 9, wherein the communicating the working feed of the first beam selection system with the working feed of the second beam selection system comprises: Controlling a radio frequency switch gating work feed of the first beam selection system and controlling a radio frequency switch gating work feed of the second beam selection system. The method of claim 10, wherein before the communicating the working feed of the first beam selection system with the working feed of the second beam selection system, the method further comprises: Controlling a switch matrix between the first beam selection system and the first beam selection system to communicate the first beam selection system with the first beam selection system.

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