CN116264710A - Beam reporting method, device and network side equipment - Google Patents
Beam reporting method, device and network side equipment Download PDFInfo
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- H04B17/309—Measuring or estimating channel quality parameters
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Abstract
The application discloses a beam reporting method, a device and network side equipment, which belong to the technical field of communication, and the beam reporting method in the embodiment of the application comprises the following steps: the method comprises the steps that first network side equipment obtains beam report configuration information of second network side equipment, wherein the beam report configuration information comprises the following steps: configuration information of at least one beam report; the first network side equipment sends a beam report to the second network side equipment according to the beam report configuration information; wherein the beam report comprises: a beam report corresponding to at least one cell, and/or a beam report corresponding to at least one frequency domain subband.
Description
Technical Field
The application belongs to the technical field of communication, and particularly relates to a beam reporting method, a beam reporting device and network side equipment.
Background
In the next generation of communication system research after 4G, the operating frequency band supported by the system is increased to be more than 6GHz and up to about 100GHz. The high frequency band has rich idle frequency resources, and can provide greater throughput for data transmission. The modeling work of the high-frequency channel is finished at present, the wavelength of the high-frequency signal is short, more antenna array elements can be arranged on a panel with the same size compared with the low frequency band, and the beam with stronger directivity and narrower lobe is formed by utilizing the beam forming technology. Therefore, combining a large-scale antenna with high-frequency communication is also one of the future trends.
When different base stations are deployed in the network and different time division duplex (Time Division Duplex, TDD) configurations are adopted, at the same time, the different base stations may be in a DownLink (DL) transmission or UpLink (UpLink, UL) reception state. At this time, the base station performing DL transmission may generate cross link (cross link) interference to the base station performing UL reception. When the base station adopts a Full duplex (Full duplex) mode, cross link between adjacent base stations becomes more complicated.
Disclosure of Invention
The embodiment of the application provides a beam reporting method, a beam reporting device and network side equipment, which can solve the problem of cross link interference between adjacent network side equipment in the prior art.
In a first aspect, a beam reporting method is provided, including:
the method comprises the steps that first network side equipment obtains beam report configuration information of second network side equipment, wherein the beam report configuration information comprises the following steps: configuration information of at least one beam report;
the first network side equipment sends a beam report to the second network side equipment according to the beam report configuration information;
wherein the beam report comprises: a beam report corresponding to at least one cell, and/or a beam report corresponding to at least one frequency domain subband.
In a second aspect, there is provided a beam reporting apparatus comprising:
the acquiring module is configured to acquire beam report configuration information of the second network side device, where the beam report configuration information includes: configuration information of at least one beam report;
a sending module, configured to send a beam report to the second network side device according to the beam report configuration information;
wherein the beam report comprises: a beam report corresponding to at least one cell, and/or a beam report corresponding to at least one frequency domain subband.
In a third aspect, a network side device is provided, the terminal comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method as described in the first aspect.
In a fourth aspect, a first network side device is provided, including a processor and a communication interface, where the communication interface is configured to obtain beam report configuration information of a second network side device, where the beam report configuration information includes: configuration information of at least one beam report; the processor is used for sending a beam report to the second network side equipment according to the beam report configuration information; wherein the beam report comprises: a beam report corresponding to at least one cell, and/or a beam report corresponding to at least one frequency domain subband.
In a fifth aspect, there is provided a readable storage medium having stored thereon a program or instructions which when executed by a processor realizes the steps of the method according to the first aspect.
In a sixth aspect, there is provided a chip comprising a processor and a communication interface coupled to the processor for running a program or instructions to implement the method of the first aspect.
In a seventh aspect, there is provided a computer program/program product stored in a storage medium, the computer program/program product being executed by at least one processor to carry out the steps of the method according to the first aspect.
In the embodiment of the application, the second network side equipment interacts the beam report configuration information of the second network side equipment with the first network side equipment, and the first network side equipment sends the beam report corresponding to at least one cell and/or the beam report corresponding to at least one frequency domain sub-band to the second network side equipment according to the beam report configuration information, so that the network side equipment can know the beam states on different cells or different frequency domain sub-bands in time, the influence of interference between the network side equipment is reduced through beam coordination, and the transmission performance is ensured.
Drawings
Fig. 1 shows a block diagram of a wireless communication system to which embodiments of the application are applicable;
FIG. 2 is a flowchart illustrating steps of a beam reporting method according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a beam reporting device according to an embodiment of the present application;
fig. 4 shows a schematic structural diagram of a communication device according to an embodiment of the present application;
fig. 5 shows a schematic structural diagram of a network side device according to an embodiment of the present application.
Detailed Description
Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or otherwise described herein, and that the terms "first" and "second" are generally intended to be used in a generic sense and not to limit the number of objects, for example, the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/" generally means a relationship in which the associated object is an "or" before and after.
It is noted that the techniques described in embodiments of the present application are not limited to long term evolution (Long Term Evolution, LTE)/LTE evolution (LTE-Advanced, LTE-a) systems, but may also be used in other wireless communication systems, such as code division multiple access (Code Division Multiple Access, CDMA), time division multiple access (Time Division Multiple Access, TDMA), frequency division multiple access (Frequency Division Multiple Access, FDMA), orthogonal frequency division multiple access (Orthogonal Frequency Division Multiple Access, OFDMA), single carrier frequency division multiple access (Single-carrier Frequency Division Multiple Access, SC-FDMA), and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, the techniques describedThe techniques may be used for the systems and radio technologies mentioned above as well as for other systems and radio technologies. The following description describes a New air interface (NR) system for purposes of example and uses NR terminology in much of the description that follows, but these techniques are also applicable to applications other than NR system applications, such as generation 6 (6) th Generation, 6G) communication system.
Fig. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable. The wireless communication system includes a terminal 11 and a network device 12. The terminal 11 may be a mobile phone, a tablet (Tablet Personal Computer), a Laptop (Laptop Computer) or a terminal-side Device called a notebook, a personal digital assistant (Personal Digital Assistant, PDA), a palm top, a netbook, an ultra-mobile personal Computer (ultra-mobile personal Computer, UMPC), a mobile internet appliance (Mobile Internet Device, MID), an augmented reality (augmented reality, AR)/Virtual Reality (VR) Device, a robot, a Wearable Device (weather Device), a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), a smart home (home Device with a wireless communication function, such as a refrigerator, a television, a washing machine, or a furniture), a game machine, a personal Computer (personal Computer, PC), a teller machine, or a self-service machine, and the Wearable Device includes: intelligent wrist-watch, intelligent bracelet, intelligent earphone, intelligent glasses, intelligent ornament (intelligent bracelet, intelligent ring, intelligent necklace, intelligent anklet, intelligent foot chain etc.), intelligent wrist strap, intelligent clothing etc.. Note that, the specific type of the terminal 11 is not limited in the embodiment of the present application. The network-side device 12 may comprise an access network device or a core network device, wherein the access network device 12 may also be referred to as a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or a radio access network element. Access network device 12 may include a base station, a WLAN access point, a WiFi node, or the like, which may be referred to as a node B, an evolved node B (eNB), an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a home node B, a home evolved node B, a transmission and reception point (Transmitting Receiving Point, TRP), or some other suitable terminology in the art, and the base station is not limited to a particular technical vocabulary so long as the same technical effect is achieved, and it should be noted that in the embodiments of the present application, only a base station in an NR system is described as an example, and the specific type of the base station is not limited.
Some operations mentioned in the embodiments of the present application are explained below:
for uplink beam indication, the base station indicates a beam direction adopted by the UE on UL scheduling resources, the beam direction being represented by SRS resource indication (SRS resource indicator, SRI); for downlink beam indication, the base station indicates the beam direction on DL scheduling resources so that the UE can determine its reception beam. The downstream beam direction is indicated by an associated transmission configuration indication (Transmission Configuration Indicator, TCI), where TCI reflects CRI, SSB index, etc.
In order to realize flexible network deployment, the transmission direction of each symbol in one time slot is configured in a slot format (slot format) manner in an NR system.
The transmission direction of the time slot in NR has three definitions, downlink (DL), uplink (UL), flexible. When the network configures a time slot or a symbol as DL or UL, the transmission direction at the moment is clear; when the network is configured with a slot or symbol that is flexible, the transmission direction at that time is pending. The network may modify the transmission direction of slots or symbols of the flexible by dynamic signalling, such as a (dynamic) slot format indication (dynamic slot format indicator, dynamic SFI).
One slot may contain downlink (uplink) and flexible (flexible) OFDM symbols; the Flexible symbols may be rewritten as downlink or uplink symbols.
The SFI may indicate the format of one or more slots.
The SFI can flexibly change the slot format according to the requirement so as to meet the service transmission requirement.
The UE decides whether to monitor the PDCCH according to the indication of the SFI.
Rel-18 network side flexible/full duplex (flex/full duplex) and user/terminal side half duplex operation features:
for symmetric spectrum of frequency division duplex (Frequency Division Duplexing, FDD): uplink or downlink spectrum of FDD: may be semi-statically configured or dynamically indicated as downlink or uplink transmissions on certain slots/symbols.
For asymmetric spectrum of time division duplex (Time Division Duplexing, TDD): different frequency domain resources on certain time slots/symbols of TDD may be semi-statically configured or dynamically indicated as having both uplink and downlink transmissions.
For half duplex terminals, only uplink or downlink reception can be performed at the same time, i.e. the terminal cannot both receive and transmit signals at the same time.
The beam reporting method, the beam reporting device and the network side device provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
As shown in fig. 2, an embodiment of the present application provides a beam reporting method, including:
For example, step 202 is specifically: and the first network side equipment performs beam measurement according to the beam report configuration information, generates a beam report according to a beam measurement result and sends the beam report to the second network side equipment.
Optionally, the second network-side device may be one network device or a plurality of network devices. That is, the plurality of network devices respectively send beam report configuration information to the first network side device, and the first network side device respectively reports report reports to the corresponding network devices.
Alternatively, the frequency domain sub-band may be understood as a Resource Block (RB), a sub-band (subband), a bandwidth portion (BandWidthPart, BWP).
It should be noted that, in the embodiments of the present application, the "time domain resource," "frequency domain subband," "frequency domain resource," and so on may be specifically a flexible (flexible) resource or a full duplex (full duplex) resource.
For example, a portion of the time domain resource, or a portion of the frequency domain bandwidth, is used as a flexible (flexible) resource or a full duplex (full duplex) resource, and the beam report configuration information, the reference signal, and the beam report sent by the network device correspond to the flexible resource or the full duplex resource.
The Flexible or full duplex resources may be resources of the TDD or FDD spectrum, such as DL or UL of TDD or Flexible resources
Other resources, such as half duplex resources, existing FDD or TDD spectrum, etc., are not limited, except for flexible resources or full duplex resources.
In at least one embodiment of the present application, the "at least one cell" in the beam report corresponding to the at least one cell may be a cell in which a transmission direction (time domain or frequency domain resource format) has a conflict, or may be a designated cell; the "at least one frequency domain subband" in the beam report corresponding to the at least one frequency domain subband may be a frequency domain subband in which a transmission direction (time domain or frequency domain resource format) has a collision, or may be a designated frequency domain subband; the present invention is not particularly limited herein.
Optionally, in the embodiment of the present invention, for the cell or the frequency domain sub-band where the conflict exists, the network side device uses different beams through a reasonable beam measurement and reporting mechanism, so that the cell or the frequency domain sub-band where the transmission direction conflicts can be received while maintaining the network side device, thereby reducing the cross link interference and improving the throughput.
In at least one embodiment of the present application, in the case where the beam report configuration information includes configuration information of one beam report, the configuration information of the one beam report includes at least one of:
reference signal resource information of at least one first cell;
reference signal resource information on at least one first frequency domain sub-band;
wherein the reference signal resource information includes: a reference signal resource setting (resource config or RS resource setting), at least one of a reference signal resource set (RS resource set) and a reference signal resource group (RS resource group).
For example, configuration information of one beam report includes reference signal resource information of a plurality of cells or a plurality of frequency domain subbands; for another example, the configuration information of one beam report includes reference signal resource information of one cell or one frequency domain subband.
Optionally, if the configuration information of one beam report includes reference signal resource groups on the plurality of first cells or the plurality of first frequency domain subbands, at least 2 reference signal resource groups in the reference signal resource groups belong to one reference signal resource set.
As an optional embodiment, the configuration information of the beam report further includes at least one of the following:
identification information of each first cell; for example, the number or ID of the first cell;
identification information of each first frequency domain sub-band; for example, the number or ID of the first frequency domain subband.
Optionally, the reference signal resource indicated by the reference signal resource information indicates a TCI state (TCI state) corresponding to one or more transmission configurations.
It should be noted that, in the embodiment of the present application, each piece of reference signal resource information associated with the configuration information of one beam report may correspond to a plurality of cells or a plurality of frequency domain subbands.
In yet another alternative embodiment of the present application, in case the beam report configuration information comprises configuration information of a plurality of beam reports, the configuration information of each beam report comprises at least one of:
reference signal resource information of at least one second cell;
Reference signal resource information for at least one second frequency domain sub-band;
wherein the reference signal resource information includes: and at least one of a reference signal resource set, a reference signal resource set and a reference signal resource group.
For example, among configuration information of a plurality of beam reports, the configuration information of each beam report includes reference signal resource information of one cell or frequency domain subband; for another example, among configuration information of a plurality of beam reports, the reporting configuration information of each beam report includes reference signal resource information of a plurality of cells or frequency domain subbands.
Optionally, the configuration information reported by each beam corresponds to one cell or one frequency domain subband; the configuration information of each beam report includes reference signal resource information of a cell or frequency domain subband corresponding to the reported configuration information.
Optionally, the configuration information of each beam report includes at least one of:
identification information of the second cell, for example, the number or ID of the second cell;
identification information of the second frequency domain sub-band, for example, the number or ID of the second frequency domain sub-band.
It should be noted that, the beam report configuration information mentioned in the embodiments of the present application may be carried in cell configuration information or frequency domain subband configuration information; for example, the beam report configuration information includes reference signal resource information of the cell, and is carried in the cell configuration information; for another example, the beam report configuration information includes reference signal resource information on the frequency domain sub-band, and the beam report configuration information is carried in the frequency domain sub-band configuration information.
In at least one embodiment of the present application, the beam report includes: packet-based beam reporting (group based beam report), or non-packet-based beam reporting (non-group based beam report);
wherein the packet-based beam report comprises: n sets of beam identifications, each set of beam identifications including M beam identifications; n and M are positive integers; optionally, each of the N sets of beam identities corresponds to one receive beam; each receive beam corresponds to at least one set of beam identifications;
alternatively, the non-packet based beam report includes: p wave beam identifications; p is a positive integer; optionally, each beam identity corresponds to a receive beam, and each receive beam corresponds to at least one beam identity.
For example, the beam identification is: CSI reference signal resource indicators (CSI-RS Resource Indicator, CRI), or SSB resource indicators (SS/PBCH Block Resource Indicator, SSBRI).
Optionally, M is the number of cells or the number of frequency domain subbands corresponding to the beam report.
Optionally, each set of beam identities includes M beam identities: and measuring M beam identifications corresponding to the beam with the maximum or minimum beam link quality (average value/sum/variance/mean square error).
Optionally, the weighted average or total quality or variance or mean square error of the link quality of the corresponding beams of the N groups of beam identities is the largest or smallest of all the beam identities.
Optionally, each set of beams identifies a corresponding transmit beam that may be received simultaneously by its corresponding receive beam. Each beam identity in each set of beam identities refers to a reference signal resource in the reference signal resource information of a different cell or a different frequency domain subband, respectively.
Optionally, the P beams are identified as: and measuring the beam identification corresponding to the beam with the maximum or minimum beam link quality (average value/sum/variance/mean square error).
Optionally, the P beam identities correspond to different cells or different frequency domain subbands, respectively.
As an alternative embodiment, the packet-based beam report further comprises at least one of:
the beam link quality corresponding to each beam identifier in the M beam identifiers;
statistics of beam link quality corresponding to each group of beam identifiers in the N groups of beam identifiers; the statistic may be a weighted average or sum or variance or mean square error;
the first indication information corresponding to each group of beam identifiers in the N groups of beam identifiers is used for identifying the received beam information corresponding to each group of beam identifiers; for example, the first indication information is a reception beam ID.
Optionally, the beam link quality is a layer 1 reference signal received power (L1-Reference Signal Receiving Power, L1-RSRP), a layer 1 signal to interference plus noise ratio (L1-Signal to Interference plus Noise Ratio, L1-SINR), a throughput, and the like of the beam link.
It should be noted that, each group of beam identifiers or N groups of beam identifiers in the N groups of beam identifiers are arranged according to a preset sequence, and each group of beam identifiers, such as an ascending order or a descending order of beam link quality, is determined according to the preset sequence; or according to the number of the corresponding cell or frequency domain sub-band; or in ascending or descending order according to the IDs corresponding to the beam identification groups.
As another alternative embodiment, the non-packet based beam report further comprises at least one of:
the beam link quality corresponding to each beam identifier in the P beam identifiers;
second indication information corresponding to each beam identifier in the P beam identifiers, where the second indication information is used to identify received beam information corresponding to each beam identifier; for example, the second indication information is a reception beam ID.
Optionally, the beam link quality is a layer 1 reference signal received power (L1-Reference Signal Receiving Power, L1-RSRP), a layer 1 signal to interference plus noise ratio (L1-Signal to Interference plus Noise Ratio, L1-SINR), a throughput, and the like of the beam link.
It should be noted that, each beam identifier or P beam identifiers in the beam report are arranged in a preset order, for example, in an ascending order or a descending order of the beam link quality, or in numbers of corresponding cells or frequency domain subbands, or in an ascending order or a descending order according to IDs corresponding to the beam identifiers.
In at least one embodiment of the present application, a set of beam identities corresponds to reference signal resources of one or more cells and/or a set of beam identities corresponds to reference signal resources of one or more frequency domain subbands.
For example, where the set of beam identities includes one beam identity, the set of beam identities corresponds to reference signal resources of one cell or one frequency domain subband; for another example, where the set of beam identities includes a plurality of beam identities, the set of beam identities corresponds to reference signal resources of a plurality of cells or a plurality of frequency domain subbands.
In at least one embodiment of the present application, among the P beam identities, different beam identities correspond to reference signal resources of different cells, and/or different beam identities correspond to reference signal resources of different frequency domain subbands.
Optionally, in the case that the reference signal resource indicated by the reference signal resource information corresponds to a plurality of transmission configuration indication TCI states, the beam link quality corresponding to the beam identifier included in the beam report is:
The beam identity corresponds to a statistical value, for example, a weighted average or a sum, of beam link quality measured by the reference signal resource using a plurality of TCI states.
For example, when the second network side device sends the reference signal on each cell or each frequency domain sub-band, different TCI states are used, and the beam link quality corresponding to the beam identifier included in the beam report is:
each set of beam identities corresponding to a reference signal resource using a weighted or summed beam link quality measured by a plurality of TCI states; alternatively, each beam identity corresponds to a weighted or sum of beam link quality measured using multiple TCI states.
In at least one embodiment of the present application, the beam link quality in the beam report is indicated in any of the following ways:
the beam link quality of the same cell is indicated in a differential mode;
the beam link quality on the same frequency domain sub-band is indicated in a differential mode;
the beam link quality of a plurality of cells is indicated in a differential mode;
the beam link quality over multiple frequency domain subbands is indicated differentially.
Wherein, the differential mode can be understood as: and reporting the absolute value of the link quality of one reference beam, and reporting the relative values of the link quality of other beams according to the link quality of the reference beam.
The above differential manner may be used to indicate beam link quality corresponding to beam identifications of multiple beams in the same cell or the same frequency domain subband, for example, beam 1 (reference beam) is an absolute value of link quality, and other beams are relative values of beam link quality; it may also be used to indicate the corresponding beam link quality for the beam identities of the multiple beams on multiple cells or multiple frequency domain subbands, where the beam of cell 1 or subband 1 (the reference beam) is the absolute value of the link quality and the beams of other cells or subbands are the relative values of the beam link quality.
In summary, in the embodiment of the present application, the second network side device interacts with the first network side device to obtain the beam report configuration information of the second network side device, and the first network side device sends the beam report corresponding to at least one cell and/or the beam report corresponding to at least one frequency domain sub-band to the second network side device according to the beam report configuration information, so that the network side device knows the beam states on different cells or different frequency domain sub-bands in time, and reduces the interference between the network side devices through beam coordination, thereby ensuring the performance of transmission.
As shown in fig. 3, the embodiment of the present application further provides a beam reporting apparatus 400, including:
An obtaining module 401, configured to obtain beam report configuration information of the second network side device, where the beam report configuration information includes: configuration information of at least one beam report;
a report sending module 402, configured to send a beam report to the second network side device according to the beam report configuration information;
wherein the beam report comprises: a beam report corresponding to at least one cell, and/or a beam report corresponding to at least one frequency domain subband.
As an alternative embodiment, in case the beam report configuration information comprises configuration information of one beam report, the configuration information of the one beam report comprises at least one of the following:
reference signal resource information of at least one first cell;
reference signal resource information on at least one first frequency domain sub-band;
wherein the reference signal resource information includes: and at least one of a reference signal resource set, a reference signal resource set and a reference signal resource group.
As an optional embodiment, the configuration information of the beam report further includes at least one of the following:
identification information of each first cell;
identification information of each first frequency domain subband.
As an alternative embodiment, the reference signal resource indicated by the reference signal resource information corresponds to one or more transmission configuration indication TCI status.
As an alternative embodiment, in case the beam report configuration information comprises configuration information of a plurality of beam reports, the configuration information of each beam report comprises at least one of:
reference signal resource information of at least one second cell;
reference signal resource information for at least one second frequency domain sub-band;
wherein the reference signal resource information includes: and at least one of a reference signal resource set, a reference signal resource set and a reference signal resource group.
As an alternative embodiment, the configuration information of each beam report includes at least one of:
identification information of the second cell;
identification information of the second frequency domain sub-band.
As an alternative embodiment, the beam report includes: packet-based beam reporting, or non-packet-based beam reporting;
wherein the packet-based beam report comprises: n sets of beam identifications, each set of beam identifications including M beam identifications; n and M are positive integers;
alternatively, the non-packet based beam report includes: p wave beam identifications; p is a positive integer.
As an alternative embodiment, the packet-based beam report further comprises at least one of:
the beam link quality corresponding to each beam identifier in the M beam identifiers;
statistics of beam link quality corresponding to each group of beam identifiers in the N groups of beam identifiers;
and the first indication information corresponding to each group of beam identifiers in the N groups of beam identifiers is used for identifying the receiving beam information corresponding to each group of beam identifiers.
As an alternative embodiment, the non-packet based beam report further comprises at least one of:
the beam link quality corresponding to each beam identifier in the P beam identifiers;
and second indication information corresponding to each beam identifier in the P beam identifiers is used for identifying receiving beam information corresponding to each beam identifier.
As an alternative embodiment, a set of beam identities corresponds to reference signal resources of one or more cells and/or a set of beam identities corresponds to reference signal resources of one or more frequency domain subbands.
As an alternative embodiment, among the P beam identities, different beam identities correspond to reference signal resources of different cells, and/or different beam identities correspond to reference signal resources of different frequency domain subbands.
As an optional embodiment, in a case that the reference signal resource indicated by the reference signal resource information corresponds to a plurality of transmission configuration indicators TCI status, the beam link quality corresponding to the beam identifier included in the beam report is:
the beam identifier corresponds to a statistical value of the beam link quality measured by the reference signal resource using a plurality of TCI states.
As an alternative embodiment, the beam link quality in the beam report is indicated in any of the following ways:
the beam link quality of the same cell is indicated in a differential mode;
the beam link quality on the same frequency domain sub-band is indicated in a differential mode;
the beam link quality of a plurality of cells is indicated in a differential mode;
the beam link quality over multiple frequency domain subbands is indicated differentially.
In the embodiment of the application, the second network side equipment interacts the beam report configuration information of the second network side equipment with the first network side equipment, and the first network side equipment sends the beam report corresponding to at least one cell and/or the beam report corresponding to at least one frequency domain sub-band to the second network side equipment according to the beam report configuration information, so that the network side equipment can know the beam states on different cells or different frequency domain sub-bands in time, the influence of interference between the network side equipment is reduced through beam coordination, and the transmission performance is ensured.
The beam reporting device in the embodiments of the present application may be an electronic device, for example, an electronic device with an operating system, or may be a component in an electronic device, for example, an integrated circuit or a chip. The electronic device may be a terminal, or may be other devices than a terminal. By way of example, terminals may include, but are not limited to, the types of terminals 11 listed above, other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., and embodiments of the application are not specifically limited.
The beam reporting device provided in the embodiment of the present application can implement each process implemented by the embodiments of the methods of fig. 1 to fig. 2, and achieve the same technical effects, so that repetition is avoided, and no further description is given here.
Optionally, as shown in fig. 4, the embodiment of the present application further provides a network side device 600, including a processor 601 and a memory 602, where a program or an instruction capable of running on the processor 601 is stored in the memory 602, and the program or the instruction implements each step of the above beam reporting method embodiment when executed by the processor 601, and the steps can achieve the same technical effects, so that repetition is avoided, and no further description is given here.
The embodiment of the application also provides a network side device, which comprises a processor and a communication interface, wherein the communication interface is used for acquiring beam report configuration information of the second network side device, and the beam report configuration information comprises: configuration information of at least one beam report; the processor is used for sending a beam report to the second network side equipment according to the beam report configuration information; wherein the beam report comprises: a beam report corresponding to at least one cell, and/or a beam report corresponding to at least one frequency domain subband. The network side device embodiment corresponds to the first network side device method embodiment, and each implementation process and implementation manner of the method embodiment can be applied to the network side device embodiment, and the same technical effects can be achieved.
Specifically, the embodiment of the application also provides network side equipment. As shown in fig. 5, the network side device 700 includes: an antenna 71, a radio frequency device 72, a baseband device 73, a processor 74 and a memory 75. The antenna 71 is connected to a radio frequency device 72. In the uplink direction, the radio frequency device 72 receives information via the antenna 71, and transmits the received information to the baseband device 73 for processing. In the downlink direction, the baseband device 73 processes information to be transmitted, and transmits the processed information to the radio frequency device 72, and the radio frequency device 72 processes the received information and transmits the processed information through the antenna 71.
The method performed by the network side device in the above embodiment may be implemented in the baseband apparatus 73, where the baseband apparatus 73 includes a baseband processor.
The baseband device 73 may, for example, comprise at least one baseband board, on which a plurality of chips are disposed, as shown in fig. 5, where one chip, for example, a baseband processor, is connected to the memory 75 through a bus interface, so as to invoke a program in the memory 75 to perform the network device operation shown in the above method embodiment.
The network side device may also include a network interface 76, such as a common public radio interface (common public radio interface, CPRI).
Specifically, the network side device 700 of the embodiment of the present invention further includes: instructions or programs stored in the memory 75 and executable on the processor 74, the processor 74 invokes the instructions or programs in the memory 75 to perform the methods performed by the modules shown in fig. 3 and achieve the same technical effects, and are not repeated here.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored, and when the program or the instruction is executed by a processor, the processes of the embodiment of the beam reporting method are implemented, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.
Wherein the processor is a processor in the terminal described in the above embodiment. The readable storage medium includes computer readable storage medium such as computer readable memory ROM, random access memory RAM, magnetic or optical disk, etc.
The embodiment of the application further provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction, implement each process of the above beam reporting method embodiment, and achieve the same technical effect, so that repetition is avoided, and no redundant description is given here.
It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, or the like.
The embodiments of the present application further provide a computer program/program product, where the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement each process of the above beam reporting method embodiment, and achieve the same technical effects, so that repetition is avoided, and details are not repeated herein.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solutions of the present application may be embodied essentially or in a part contributing to the prior art in the form of a computer software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), comprising several instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method described in the embodiments of the present application.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (28)
1. A method of beam reporting, comprising:
the method comprises the steps that first network side equipment obtains beam report configuration information of second network side equipment, wherein the beam report configuration information comprises the following steps: configuration information of at least one beam report;
the first network side equipment sends a beam report to the second network side equipment according to the beam report configuration information;
wherein the beam report comprises: a beam report corresponding to at least one cell, and/or a beam report corresponding to at least one frequency domain subband.
2. The method of claim 1, wherein, in the case where the beam report configuration information includes configuration information of one beam report, the configuration information of the one beam report includes at least one of:
reference signal resource information of at least one first cell;
reference signal resource information on at least one first frequency domain sub-band;
wherein the reference signal resource information includes: and at least one of a reference signal resource set, a reference signal resource set and a reference signal resource group.
3. The method of claim 2, wherein the configuration information of the beam report further comprises at least one of:
Identification information of each first cell;
identification information of each first frequency domain subband.
4. The method of claim 2, wherein the reference signal resources indicated by the reference signal resource information correspond to one or more transmission configuration indication, TCI, states.
5. The method of claim 1, wherein, in the case where the beam report configuration information includes configuration information of a plurality of beam reports, the configuration information of each beam report includes at least one of:
reference signal resource information of at least one second cell;
reference signal resource information for at least one second frequency domain sub-band;
wherein the reference signal resource information includes: and at least one of a reference signal resource set, a reference signal resource set and a reference signal resource group.
6. The method of claim 5, wherein the configuration information for each beam report comprises at least one of:
identification information of the second cell;
identification information of the second frequency domain sub-band.
7. The method of claim 1, wherein the beam reporting comprises: packet-based beam reporting, or non-packet-based beam reporting;
Wherein the packet-based beam report comprises: n sets of beam identifications, each set of beam identifications including M beam identifications; n and M are positive integers;
alternatively, the non-packet based beam report includes: p wave beam identifications; p is a positive integer.
8. The method of claim 7, wherein the packet-based beam report further comprises at least one of:
the beam link quality corresponding to each beam identifier in the M beam identifiers;
statistics of beam link quality corresponding to each group of beam identifiers in the N groups of beam identifiers;
and the first indication information corresponding to each group of beam identifiers in the N groups of beam identifiers is used for identifying the receiving beam information corresponding to each group of beam identifiers.
9. The method of claim 7, wherein the non-packet based beam report further comprises at least one of:
the beam link quality corresponding to each beam identifier in the P beam identifiers;
and second indication information corresponding to each beam identifier in the P beam identifiers is used for identifying receiving beam information corresponding to each beam identifier.
10. The method of claim 7, wherein a set of beam identities corresponds to reference signal resources of one or more cells and/or a set of beam identities corresponds to reference signal resources of one or more frequency domain subbands.
11. The method of claim 7, wherein among the P beam identities, different beam identities correspond to reference signal resources of different cells and/or different beam identities correspond to reference signal resources of different frequency domain subbands.
12. The method according to claim 4, wherein, in the case that the reference signal resource indicated by the reference signal resource information corresponds to a plurality of transmission configuration indication TCI states, the beam link quality corresponding to the beam identity included in the beam report is:
the beam identifier corresponds to a statistical value of the beam link quality measured by the reference signal resource using a plurality of TCI states.
13. The method according to claim 8 or 9, wherein the beam link quality in the beam report is indicated in any of the following ways:
the beam link quality of the same cell is indicated in a differential mode;
the beam link quality on the same frequency domain sub-band is indicated in a differential mode;
The beam link quality of a plurality of cells is indicated in a differential mode;
the beam link quality over multiple frequency domain subbands is indicated differentially.
14. A beam reporting apparatus, comprising:
the acquiring module is configured to acquire beam report configuration information of the second network side device, where the beam report configuration information includes: configuration information of at least one beam report;
a report sending module, configured to send a beam report to the second network side device according to the beam report configuration information;
wherein the beam report comprises: a beam report corresponding to at least one cell, and/or a beam report corresponding to at least one frequency domain subband.
15. The apparatus of claim 14, wherein, in the case where the beam report configuration information comprises configuration information of one beam report, the configuration information of the one beam report comprises at least one of:
reference signal resource information of at least one first cell;
reference signal resource information on at least one first frequency domain sub-band;
wherein the reference signal resource information includes: and at least one of a reference signal resource set, a reference signal resource set and a reference signal resource group.
16. The apparatus of claim 15, wherein the configuration information of the beam report further comprises at least one of:
identification information of each first cell;
identification information of each first frequency domain subband.
17. The apparatus of claim 15, wherein the reference signal resources indicated by the reference signal resource information correspond to one or more transmission configuration indication, TCI, states.
18. The apparatus of claim 14, wherein, in the case where the beam report configuration information comprises configuration information for a plurality of beam reports, the configuration information for each beam report comprises at least one of:
reference signal resource information of at least one second cell;
reference signal resource information for at least one second frequency domain sub-band;
wherein the reference signal resource information includes: and at least one of a reference signal resource set, a reference signal resource set and a reference signal resource group.
19. The apparatus of claim 18, wherein the configuration information for each beam report comprises at least one of:
identification information of the second cell;
identification information of the second frequency domain sub-band.
20. The apparatus of claim 14, wherein the beam report comprises: packet-based beam reporting, or non-packet-based beam reporting;
wherein the packet-based beam report comprises: n sets of beam identifications, each set of beam identifications including M beam identifications; n and M are positive integers;
alternatively, the non-packet based beam report includes: p wave beam identifications; p is a positive integer.
21. The apparatus of claim 20, wherein the packet-based beam report further comprises at least one of:
the beam link quality corresponding to each beam identifier in the M beam identifiers;
statistics of beam link quality corresponding to each group of beam identifiers in the N groups of beam identifiers;
and the first indication information corresponding to each group of beam identifiers in the N groups of beam identifiers is used for identifying the receiving beam information corresponding to each group of beam identifiers.
22. The apparatus of claim 20, wherein the non-packet based beam report further comprises at least one of:
the beam link quality corresponding to each beam identifier in the P beam identifiers;
And second indication information corresponding to each beam identifier in the P beam identifiers is used for identifying receiving beam information corresponding to each beam identifier.
23. The apparatus of claim 20, wherein a set of beam identities corresponds to reference signal resources of one or more cells and/or wherein a set of beam identities corresponds to reference signal resources of one or more frequency domain subbands.
24. The apparatus of claim 20, wherein different ones of the P beam identities correspond to reference signal resources of different cells and/or different beam identities correspond to reference signal resources of different frequency domain subbands.
25. The apparatus of claim 17, wherein, in the case where the reference signal resource indicated by the reference signal resource information corresponds to a plurality of transmission configuration indication TCI states, the beam link quality corresponding to the beam identity included in the beam report is:
the beam identifier corresponds to a statistical value of the beam link quality measured by the reference signal resource using a plurality of TCI states.
26. The apparatus according to claim 21 or 22, wherein the beam link quality in the beam report is indicated in any of the following ways:
The beam link quality of the same cell is indicated in a differential mode;
the beam link quality on the same frequency domain sub-band is indicated in a differential mode;
the beam link quality of a plurality of cells is indicated in a differential mode;
the beam link quality over multiple frequency domain subbands is indicated differentially.
27. A first network side device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the beam reporting method of any one of claims 1 to 13.
28. A readable storage medium, characterized in that the readable storage medium has stored thereon a program or instructions which, when executed by a processor, implements the beam reporting method according to any of claims 1-13.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111523170.4A CN116264710A (en) | 2021-12-13 | 2021-12-13 | Beam reporting method, device and network side equipment |
| PCT/CN2022/136884 WO2023109577A1 (en) | 2021-12-13 | 2022-12-06 | Beam reporting method and apparatus, and network side device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111523170.4A CN116264710A (en) | 2021-12-13 | 2021-12-13 | Beam reporting method, device and network side equipment |
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| CN202111523170.4A Pending CN116264710A (en) | 2021-12-13 | 2021-12-13 | Beam reporting method, device and network side equipment |
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| WO (1) | WO2023109577A1 (en) |
Cited By (1)
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| WO2025000539A1 (en) * | 2023-06-30 | 2025-01-02 | 北京小米移动软件有限公司 | Uplink communication method and apparatus, and communication device, communication system and storage medium |
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| WO2018173001A1 (en) * | 2017-03-24 | 2018-09-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Measurement reporting enhancements in beam based systems |
| CN111954147B (en) * | 2019-04-30 | 2021-10-29 | 大唐移动通信设备有限公司 | Signal transmission, signal measurement reporting, positioning method and device |
| CN112929926B (en) * | 2019-12-05 | 2022-04-12 | 维沃移动通信有限公司 | Neighboring cell CSI report sending method, receiving method and related equipment |
| US11677454B2 (en) * | 2020-04-24 | 2023-06-13 | Qualcomm Incorporated | Reporting beam measurements for proposed beams and other beams for beam selection |
| CN113573354B (en) * | 2020-04-29 | 2023-06-02 | 维沃移动通信有限公司 | Beam reporting method and apparatus |
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- 2021-12-13 CN CN202111523170.4A patent/CN116264710A/en active Pending
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2025000539A1 (en) * | 2023-06-30 | 2025-01-02 | 北京小米移动软件有限公司 | Uplink communication method and apparatus, and communication device, communication system and storage medium |
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| WO2023109577A1 (en) | 2023-06-22 |
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