WO2020199902A1

WO2020199902A1 - Method and apparatus for selecting receive beam

Info

Publication number: WO2020199902A1
Application number: PCT/CN2020/079358
Authority: WO
Inventors: 刘坤鹏; 管鹏; 刘湘蒲
Original assignee: 华为技术有限公司
Priority date: 2019-03-29
Filing date: 2020-03-13
Publication date: 2020-10-08
Also published as: CN111756426A; CN111756426B

Abstract

A method and apparatus for selecting a receive beam, used for improving the transmission and reception throughput of a terminal device, and improving the transmission performance of the terminal device. The method comprises: the terminal device transmits first information to a network device, wherein the first information comprises first indication information and second indication information, the first indication information is used for indicating an antenna panel corresponding to each receive beam of the terminal device, and the second indication information is used for indicating whether the network device compensates the RSRP of the terminal device; the network device determines, according to the first indication information and the second indication information, the receive beam of the terminal device used for transmission, and then transmits second information to the terminal device so as to notify the terminal device of the receive beam used for transmission. Therefore, the present invention can make the terminal device determine, according to the receive beam selected by the network device, the antenna panel subsequently used for transmission, so that a subsequent terminal device performs transmission by means of a selected good antenna panel, thereby improving the transmission and reception throughput of the terminal device, and improving the transmission performance of the terminal device.

Description

Method and device for selecting receiving beam

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office on March 29, 2019, the application number is 201910251987.7, and the application title is "a method and device for selecting beams", the entire content of which is incorporated herein by reference Applying.

Technical field

This application relates to the field of communication technologies, and in particular, to a method and device for selecting a receiving beam.

Background technique

High-frequency millimeter wave path loss is large, network equipment and terminal equipment will use array technology to form high-gain directional beams to improve link gain and support flexible beam alignment. During the access and transmission process, network equipment and terminal equipment need to coordinate beam alignment to achieve access synchronization and link quality maintenance. Terminal devices with millimeter wave transceiver capabilities usually support multiple antenna panels for transceivers, and each antenna panel consists of a small-scale antenna array. Therefore, in the 3GPP new radio (NR) protocol, the terminal device will switch the beam to receive the synchronous broadcast signal block ((synchronization signal, SS)/(physical broadcast channel, PBCH) block, SSB) sent by the network device for synchronization and PBCH detection, determine the beam for random access, and report the best network device beam for receiving SSB detection for subsequent signal transmission and reception and flow processing.

The beam management process based on the NR protocol mainly includes three parts: beam scanning and measurement, beam determination and beam reporting. The beam scanning and measurement process, the network equipment sends SSB, the terminal equipment periodically switches the beam to receive the beam sent by the network equipment for synchronization, and uses the primary synchronization signal (PSS) and the secondary synchronization signal (secondary synchronization signal, SSS) to measure the beam Reference signal receiving power (RSRP) for (that is, one transmitting beam of a network device and one receiving beam of a terminal device constitute a pair of beams). Beam determination means that the terminal device selects a beam pair for subsequent transmission and reception according to the measurement result obtained by scanning the beam, for example, selecting the beam with the largest received RSRP. Beam reporting means that the terminal device selects a beam pair to report to the network device according to the instructions of the network device. The number of reported beams is related to the instructions of the network device and the capabilities of the terminal device.

Because the high-frequency millimeter wave is blocked, it will cause great loss, especially the antenna panel of the terminal device is easily blocked by the hand. Therefore, in order to minimize the probability of occlusion caused by the holding posture, the terminal device will use multiple antenna panels distributed in different positions of the terminal device to achieve 360° coverage as much as possible. Affected by the size and structure of the terminal equipment, the size of the terminal equipment array supported by the antenna panels in different positions is usually different. When the terminal device scans the beam to receive the SSB, it uses all the elements on the antenna panel to form a narrow beam. Although high gain can be obtained, the access time will become very long. The access time increases linearly with the number of beams, and the long access time affects the beam Effectiveness, in practice, it cannot guarantee the gain of narrow beams. Especially when there are multiple antenna panels, the number of beams increases significantly, and the access delay becomes very long, which affects the mobile access of terminal equipment. Therefore, when there are many antenna panels in the terminal equipment, the terminal equipment usually first selects a circle on each antenna panel to form a wide beam to receive the SSB, selects the antenna panel of the terminal equipment through the SSB measurement RSRP, and then passes the subsequent beam management training The narrow beam of the terminal equipment.

At present, terminal devices with multiple antenna panels usually use one element for each antenna panel to form a wide beam for reception when the network device transmits SSB, and then determine the antenna with the largest RSRP by detecting the PSS and SSS in the SSB The panel is used for subsequent transmission. Later in the transmission process, high-quality data transmission is carried out through the narrow beam formed under the antenna panel selected by the terminal device. However, in practice, due to the different specifications of each antenna panel, when a single element is used to form a wide beam to receive SSB to measure RSRP, it cannot reflect the true receiving gain of each antenna panel, which will result in the failure to select the optimal antenna panel. , Resulting in a reduction in the receiving and sending throughput of terminal equipment, and affecting the transmission performance of terminal equipment.

Summary of the invention

The present application provides a method and device for selecting a receiving beam, so as to improve the receiving and sending throughput of a terminal device and improve the transmission performance of the terminal device.

In the first aspect, this application provides a method for selecting a receiving beam. The method includes: a network device receives first information from a terminal device, and the first information includes first indication information and second indication information; The first indication information is used to indicate the antenna panel corresponding to each receive beam of the terminal device; the second indication information is used to indicate whether the network device compensates the reference signal received power RSRP of the terminal device; After the network device determines the receiving beam used for transmission by the terminal device according to the first indication information and the second indication information, it sends second information to the terminal device, and the second information is used to notify the The receiving beam used for transmission by the terminal device.

Through the above method, the terminal device can determine the subsequent antenna panel for transmission in combination with the receiving beam selected by the network device, so that the subsequent terminal device can transmit through the better selected antenna panel, thereby improving the transmission and reception of the terminal device. Throughput, improve the transmission performance of terminal equipment.

In a possible design, the second indication information is whether to perform a terminal device antenna panel selection instruction, or the second indication information is whether to perform an antenna panel gain compensation instruction. In this way, it is possible to flexibly and accurately indicate whether the network device compensates the reference signal received power RSRP of the terminal device according to different scenarios.

In a possible design, when the second indication information indicates that the network device does not compensate for the RSRP of the terminal device, the network device determines that the terminal device is not compensated according to the first indication information and the second indication information. The specific method of the receiving beam used by the terminal device for transmission may be: the network device determines the RSRP value of the receiving beam corresponding to each antenna panel according to the first indication information, and determines the receiving beam with the largest RSRP value; The network device uses the determined receiving beam as the receiving beam used for transmission.

Through the above method, the network device determines the receiving beam with better transmission effect, so that the terminal device subsequently determines a better antenna panel according to the receiving wave speed.

In a possible design, when the second indication information is whether to perform a terminal device antenna panel selection instruction, and when the second indication information indicates that the network device compensates the RSRP of the terminal device, the The network device determines the receiving beam used by the terminal device for transmission according to the first instruction information and the second instruction information. The specific method may be: the network device determines the power of each antenna panel according to the first instruction information. The relative receiving gain and the initial RSRP value of the receiving beam corresponding to each antenna panel; then, the network device determines the compensated value of each receiving beam according to the relative receiving gain of each antenna panel and the initial RSRP value of each receiving beam RSRP value, and determine that the receiving beam with the largest compensated RSRP value is the receiving beam used for transmission.

In a possible design, when the second indication information indicates whether to perform antenna panel gain compensation, and when the second indication information indicates that the network device compensates the RSRP of the terminal device, the network The device determines the receiving beam used by the terminal device for transmission according to the first indication information and the second indication information. The specific method may include: the network device determines the relative position of each antenna panel according to the first indication information. The receiving gain, the compensation gain of the receiving beam corresponding to each antenna panel and the initial RSRP value of the receiving beam corresponding to each antenna panel are determined; then, the network device according to the relative receiving gain of each antenna panel and the The compensation gain and the initial RSRP value of each receiving beam determine the compensated RSRP value of each receiving beam, and it is determined that the receiving beam with the largest compensated RSRP value is the receiving beam used for transmission.

In a possible design, before the network device receives the first information from the terminal device, the network device receives third information from the terminal device, and the third information includes one of the following or Multiple: the relative receiving gain of each antenna panel, the compensation gain of each antenna panel.

Through the above method, the network device can pre-store the relative reception gain of each antenna panel and/or the compensation gain of each antenna panel, so that the subsequent network device can accurately compensate the RSRP of the terminal device.

In a second aspect, the present application provides a method for selecting a receiving beam. The method includes: a terminal device sends first information to a network device, and the first information includes first indication information and second indication information; The first indication information is used to indicate the antenna panel corresponding to each receive beam of the terminal device; the second indication information is used to indicate whether the network device compensates the reference signal received power RSRP of the terminal device; The terminal device receives second information from the network device, and the second information is used to notify the terminal device that the network device selects the reception for transmission based on the first indication information and the second indication information Beam.

Through the above method, the terminal device can determine the subsequent antenna panel for transmission in combination with the receiving beam selected by the network device, so that the subsequent terminal device can transmit through the better selected antenna panel, thereby improving the transmission and reception of the terminal device Throughput, improve the transmission performance of terminal equipment.

In a possible design, the terminal device determines the antenna panel corresponding to the receiving beam used for transmission, so that the terminal device can subsequently transmit through a better antenna panel, thereby improving the transceiver throughput of the terminal device , Improve the transmission performance of terminal equipment.

In a possible design, before the terminal device sends the first information to the network device, the terminal device sends third information to the network device, and the third information includes one of the following or Multiple: the relative receiving gain of each antenna panel, the compensation gain of each antenna panel.

In the third aspect, the present application also provides a device for selecting a receiving beam, which has the function of implementing the network device in the method example of the first aspect. The function can be realized by hardware, or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above-mentioned functions.

In a possible design, the structure of the apparatus for selecting a receiving beam includes a receiving unit, a processing unit, and a sending unit, and these units can perform the corresponding functions in the method example of the first aspect. For details, please refer to the detailed description in the method example , Do not repeat it here.

In a possible design, the structure of the device for selecting the receiving beam includes a transceiver and a processor, and optionally may also include a memory. The transceiver is used to send and receive data and communicate with other devices in the communication system. The processor is configured to support the network device to perform the corresponding function in the above-mentioned first aspect method. The memory is coupled with the processor, and it stores the program instructions and data necessary for the device that selects the receiving beam.

In the fourth aspect, the present application also provides a device for selecting a receiving beam, which has the function of implementing the terminal device in the method example of the second aspect. The function can be realized by hardware, or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above-mentioned functions.

In a possible design, the structure of the device for selecting a receiving beam includes a sending unit and a sending unit, and these units can perform the corresponding functions in the method example of the second aspect. For details, see the detailed description in the method example. Do not repeat it.

In a possible design, the structure of the device for selecting the receiving beam includes a transmitter and a receiver, and optionally, a memory and/or a processor. The transmitter is used for transmitting data and the receiver is used for receiving data. The optional processor is configured to support the terminal device to perform the corresponding function in the above-mentioned second aspect method. The memory is coupled with the processor, and it stores the program instructions and data necessary for the device that selects the receiving beam.

In the fifth aspect, this application also provides a communication system, which may include the network equipment and terminal equipment mentioned in the above design.

In a sixth aspect, this application also provides a computer storage medium in which computer-executable instructions are stored, and the computer-executable instructions are used to make the computer execute any of the above methods when called by the computer.

In the seventh aspect, this application also provides a computer program product containing instructions, which when run on a computer, causes the computer to execute any of the above methods.

In an eighth aspect, the present application also provides a chip, which is coupled with a memory, and is used to read and execute program instructions stored in the memory to implement any of the above methods.

Description of the drawings

FIG. 1 is a schematic diagram of the architecture of a communication system provided by this application;

FIG. 2 is a flowchart of a method for selecting a receiving beam provided by this application;

FIG. 3 is a schematic diagram of a receiving beam of a terminal device provided by this application;

FIG. 4 is a schematic diagram of a selection process of a receiving beam provided by this application;

FIG. 5 is a schematic diagram of another selection process of receiving beams provided by this application;

FIG. 6 is a schematic diagram of a beam management process provided by this application;

FIG. 7 is a schematic structural diagram of a device for selecting a receiving beam provided by this application;

FIG. 8 is a schematic structural diagram of another device for selecting a receiving beam provided by this application;

FIG. 9 is a structural diagram of a device for selecting a receiving beam provided by this application;

FIG. 10 is a structural diagram of another device for selecting a receiving beam provided by this application.

detailed description

The application will be further described in detail below in conjunction with the accompanying drawings.

The embodiments of the present application provide a method and device for selecting a receiving beam, so as to improve the receiving and sending throughput of a terminal device and improve the transmission performance of the terminal device. Among them, the method and device described in the present application are based on the same inventive concept. Since the method and the device have similar principles for solving the problem, the implementation of the device and the method can be referred to each other, and the repetition will not be repeated.

Hereinafter, some terms in this application are explained to facilitate the understanding of those skilled in the art.

1) Beam: A beam is a communication resource. The beam can be a wide beam, a narrow beam, or other types of beams. The beam forming technology may be beamforming technology or other technical means. The beamforming technology may specifically be digital beamforming technology, analog beamforming technology, hybrid digital/analog beamforming technology, etc. Different beams can be considered as different communication resources, and the same information or different information can be sent through different beams. Optionally, multiple beams with the same or similar communication characteristics may be regarded as one beam, and one beam may include one or more antenna ports for transmitting data channels, control channels, sounding signals, etc. For example, the transmitting beam may refer to the signal strength distribution formed in different directions in space after a signal is transmitted through the antenna, and the receiving beam may refer to the signal strength distribution of the signal received from the antenna in different directions in space. It is understandable that one or more antenna ports forming a beam can also be regarded as an antenna port set. The beam can also be called a spatial filer, and the transmitting beam can also be called a spatial filer. The beam can also be called a spatial receiving filter.

2) Network equipment, which can be equipment that can communicate with terminal equipment. The network equipment can be a base station, a relay station, or an access point. The network equipment can be the base transceiver station (BTS) of the global system for mobile communication (GSM) or code division multiple access (CDMA) network, or it can be a broadband code A Node B (Node B, NB) in a wideband code division multiple access (WCDMA) network, or an evolved Node B (eNB) in a long term evolution (LTE) system Or eNodeB (Evolutional NodeB). The network device may also be a wireless controller in a cloud radio access network (cloud radio access network, CRAN) scenario. The network equipment may also be a base station in a future 5G network or a network equipment in a future evolved public land mobile network (PLMN). The network device can also be a wearable device or a vehicle-mounted device. For example, at present, some examples of network equipment may be: gNB, transmission reception point (TRP), radio network controller (RNC), Node B (NB), base station controller ( base station controller (BSC), base transceiver station (BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), base band unit (BBU), or wireless fidelity ( wireless fidelity, Wifi) access point (access point, AP), etc.

3) Terminal equipment, also known as user equipment (UE), can be an access terminal, UE unit, UE station, mobile station, mobile station (MS), remote station, remote terminal, mobile Devices, UE terminals, wireless communication devices, UE agents, UE devices, mobile terminals (MT), etc., are devices that provide users with voice and/or data connectivity. For example, handheld devices with wireless connection capabilities, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in the future 5G network or terminal devices in the future evolved PLMN network, etc. At present, some examples of terminal devices can be: mobile phones, cellular phones, cordless phones, session initiation protocol (SIP) phones, personal digital assistant (PDA), tablet computers, and laptop computers , Pocket PC, mobile internet device (MID), wireless local loop (WLL) station, virtual reality (VR) equipment, augmented reality (AR) equipment, industrial control Wireless terminals in (industrial control), wireless terminals in unmanned driving (self-driving), wireless terminals in remote medical surgery, wireless terminals in smart grid (smart grid), transportation safety (transportation safety) Wireless terminals in the smart city (smart city), wireless terminals in the smart home (smart home), etc.

4) In the description of this application, words such as "first" and "second" are only used for the purpose of distinguishing description, and cannot be understood as indicating or implying relative importance, nor as indicating or implying order.

In order to describe the technical solutions of the embodiments of the present application more clearly, the method and device for selecting a receiving beam provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Figure 1 shows the architecture of a possible communication system to which the method for selecting a receiving beam provided by an embodiment of the present application is applicable. The architecture of the communication system includes a network device and at least one terminal device, wherein: the network device may The forming beam establishes a communication link with the at least one terminal device (for example, the terminal device 1 and the terminal device 2 shown in the figure). The network device may provide services related to wireless access for the at least one terminal device, and implement one or more of the following functions: wireless physical layer function, resource scheduling and wireless resource management, quality of service , Qos) management, wireless access control and mobility management functions. The at least one terminal device may also form a beam to perform data transmission with the network device. In this embodiment, the network device and at least one terminal device may communicate with each other through a beam.

It should be noted that the architecture of the communication system shown in FIG. 1 is not limited to only include the devices shown in the figure, and may also include other devices not shown in the figure, which are not specifically listed here in this application.

It should be noted that the communication system shown in Fig. 1 may be a multi-carrier communication system, or may be various radio access technology (RAT) systems, such as code division multiple access (CDMA). , Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency-Division Multiple Access (OFDMA), Single Carrier Frequency-Division Multiple Access (FDMA) single carrier FDMA, SC-FDMA) and other systems. The term "system" can be replaced with "network". In addition, the communication system shown in FIG. 1 can also be applied to future-oriented communication technologies. The system architecture and business scenarios described in the embodiments of this application are intended to illustrate the technical solutions of the embodiments of this application more clearly, and do not constitute a limitation on the technical solutions provided in the embodiments of this application. Those of ordinary skill in the art will know that with the network With the evolution of architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are equally applicable to similar technical problems.

The method for selecting a receiving beam provided by an embodiment of the present application is applicable to the communication system as shown in FIG. 1. The steps included in the method provided in the embodiment of the present application are several key steps in the beam management process. As shown in FIG. 2, the specific process of the method includes:

Step 201: The terminal device sends first information to the network device, where the first information includes first indication information and second indication information; wherein the first indication information is used to indicate that each receiving beam corresponds to the terminal device The antenna panel; the second indication information is used to indicate whether the network device compensates for the RSRP of the terminal device.

Specifically, the terminal device may send the first information to the network device in the beam reporting process in the beam management procedure. In an implementation manner, the first information may also include a channel state information reference signal resource indicator ((Channel status information reference signal, CSI-RS) resource indicator, CRI)-RSRP/ssb-indication (Index)- RSRP and other information.

In a possible implementation manner, when the terminal device sends the first information to the network device, the prime terminal device may transmit the first information through radio resource control (radio resource control, RRC) messages, media The access control control element (media access control control element, MAC-CE) or uplink control information (uplink control information, UCI), etc. are sent to the network device.

The corresponding relationship between the receiving beam and the antenna panel of the terminal device is: one receiving beam corresponds to one antenna panel or multiple receiving beams corresponds to one antenna panel. For example, in the receiving beam schematic diagram of the terminal device shown in FIG. 3, receiving beam 1 corresponds to antenna panel 0, and receiving beam 2 and receiving beam 3 correspond to antenna panel 1. Of course, FIG. 3 only schematically shows two antenna panels of the terminal device. It is understandable that the terminal device may also include other antenna panels and beams corresponding to other panels, which are not shown in FIG. 3.

In an example, the antenna panel corresponding to each receiving beam may be a part of the beam of the terminal device.

In an example, the first indication information may be an antenna panel index (panel index), and the panel index may be used to indicate the antenna panel index of the terminal device corresponding to the current CRI, that is, to indicate the terminal device The antenna panel corresponding to each receiving beam.

In specific implementation, the second indication information may be represented by an indication bit, for example, 1 is used to indicate yes, 0 is used to indicate no, or 1 is used to indicate no, and 0 is used to indicate yes. The application is not limited. Of course, in addition to the above expressions, there can be other expressions to achieve the same effect, and this application will not list them all here.

Optionally, when reporting a group of beams, one second indication information can be shared, so that only one indication bit is needed, which can reduce reporting overhead.

Exemplarily, the second indication information may specifically have the following two examples:

Example a1: The second instruction information is whether to perform a terminal device antenna panel selection instruction, which can be represented by PanelSelectionOn.

Example a2: The second indication information is whether to perform an antenna panel gain compensation instruction, which may be represented by GainCompIndicator.

The second indication information in the above two examples can indicate whether the network device compensates the RSRP of the terminal device. Optionally, the above example a1 is usually applied to the scenario where the RSRP corresponding to all beams reported by the terminal device comes from beam selection when the beams are formed by a single element of different antenna panels; the above example a2 is usually applied to the terminal device to support The single element or multiple elements of the antenna panel form a mixed report scenario of receiving beam reception.

In an optional implementation manner, when the terminal device reports a beam scan that uses a single array to receive SSB, it determines that the RSRP of the terminal device needs to be compensated, and the second terminal device sends the second The indication information indicates that the network device compensates for the RSRP of the terminal device, that is, the second indication information indicates yes; for example, this situation conforms to the above example a1, and the PanelSelectionOn is configured as PanelSelectionOn=1; except for the above Otherwise, the terminal device determines that it is not necessary to compensate the RSRP of the terminal device. At this time, the second indication information sent by the terminal device indicates that the network device does not compensate the RSRP of the terminal device, that is, The second indication information indicates no, for example, PanelSelectionOn is configured as PanelSelectionOn=0 at this time.

In another optional implementation manner, the terminal device may also determine whether the RSRP of the terminal device needs to be compensated according to whether single-array reception is used. This situation conforms to the above example a2, if the terminal When the device uses a single array when receiving, the GainCompIndicator is configured to be 1, that is, the second indication information indicates a yes case; otherwise, the GainCompIndicator is configured to be 0, and the second indication information indicates a no case.

It should be noted that the embodiments of this application only describe the case of compensating for RSRP. It is understood that it is not limited to RSRP, and can also be other parameters, for example, reference signal received quality (RSRQ) , Reference signal received signal strength indicator (RSSI), signal quality indicator (channel quality indicator, CQI), signal to interference plus noise ratio (signal to interference plus noise Ratio, SINR), etc. By compensating the parameters listed above, the same technical effect as RSRP compensation can be achieved, and they can replace each other. In the following embodiments, only RSRP is taken as an example for detailed description.

Wherein, it should be noted that in the embodiment of this application, it is only described that the first indication information and the second indication information are sent together through the first information, but the first indication information and the The sending manner of the second indication information is not limited to the one involved in the embodiment of the present application. For example, the first indication information and the second indication information may be sent separately through two messages, or there may be other sending methods, which are not specifically limited in this application.

Step 202: The network device determines the receiving beam used by the terminal device for transmission according to the first indication information and the second indication information.

Specifically, step 202 is also the beam determination process in the beam management process. Specifically, the network device performs different operations according to the difference indicated by the second indication information. Specifically, the following three situations may be referred to.

Situation b1: When the second indication information indicates that the network device does not compensate the RSRP of the terminal device, when the network device performs step 202, the specific method may be:

The network device determines the RSRP value of the receiving beam corresponding to each antenna panel according to the first indication information, and determines the receiving beam with the largest RSRP value, and then the network device uses the determined receiving beam as the transmission beam Receive beam.

In the foregoing method, no matter the second indication information is the case in the foregoing example a1 and the foregoing example a2, as long as the second indication information indicates that the network device does not compensate the RSRP of the terminal device, it The above method can be used. At this time, the second indication information may be represented by an indication bit of 0. When the network device recognizes that the value corresponding to the second indication information is 0, the above-mentioned method is adopted to determine the receiving beam.

For example, the terminal device reports two receiving beams beam0 and beam1, the RSRP values corresponding to the two receiving beams are RSRP 0 and RSRP 1, respectively, and the first indication information indicates that beam0 corresponds to antenna panel 0 and beam1 corresponds to antenna panel 1. The network device does not compensate the RSRP of the terminal device based on the second indication information, and then selects directly according to the RSRP value of the receive beam corresponding to each antenna panel, that is, select RSRP A receiving beam with a larger median value of 0 and RSRP 1 is used as the receiving beam for transmission, and the terminal device subsequently selects an antenna panel for transmission.

Case b2: When the second indication information is whether to perform a terminal device antenna panel selection instruction (that is, the second indication information is the situation in the above example a1), and when the second indication information indicates the network device When the RSRP of the terminal device is compensated, when the network device performs step 202, the specific method may be:

Determining, by the network device, the relative receiving gain of each antenna panel and the initial RSRP value of the receiving beam corresponding to each antenna panel according to the first indication information;

The network device determines the compensated RSRP value of each receiving beam according to the relative receiving gain of each antenna panel and the initial RSRP value of each receiving beam;

The network device determines that the receiving beam with the largest compensated RSRP value is the receiving beam used for transmission.

The method for the network device to determine the initial RSRP value of the receiving beam corresponding to each antenna panel according to the first indication information is the same as that for the network device in case 1 to determine each antenna panel according to the first indication information The methods of the RSRP values of the corresponding receive beams are similar, and can be referred to each other.

Specifically, the network device determines the relative reception gain corresponding to each antenna panel according to the first indication information. The network device may find the correspondence between the antenna panel and the relative reception gain according to the first indication information. Then determine the relative receiving gain corresponding to each antenna panel. Wherein, optionally, the correspondence between the antenna panel and the relative receiving gain may be stored in the network device in the form of a table, of course, it may also be stored in the network device in a form other than a table.

In an implementation manner, the relative reception gain of each antenna panel is sent by the terminal device to the network device during the terminal device capability report process before sending the first information to the network device. Specifically, the terminal device may send third information to the network device, where the third information includes the relative reception gain of each antenna panel. Wherein, optionally, the relative reception gain is based on the reception gain of the antenna panel with the worst reception gain, and the relative reception gain of each antenna panel is a positive value. For example, the relative receiving gain of each antenna panel can be represented by the relative receiving gain parameter (rGainPanel). Exemplarily, the relative receiving gain of the antenna panel n is rGainPanel[n], n=0,1,2...,N- 1. Where N is the number of antenna panels. For example, rGainPanel[n]=i _n indicates that the relative receiving gain corresponding to the antenna panel n is i _n , and the value of i _n can be {1,2,3,4,5,6,7...}.

Among them, in an optional implementation manner, the method for the terminal device to determine the relative reception gain may be as follows, assuming that the terminal device has N antenna panels, and the antenna panels n (n=0,1,2,..,N- 1) a single time around the gain G _e (n) (the value of the real number greater than 0), comprising a number of time around N _ant (n) (the value is an integer greater than 0), the relative gain panel may be n:

rGainPanel[n]=G _e (n)+10log ₁₀ (N _ant (n))-G _max ,

Among them, G _max =max _{n=1, 2,..., N} G _e (n) + ₁₀ log ₁₀ (N _ant (n)).

Specifically, assuming that the terminal device reports M receiving beams, the initial RSRP values of the M receiving beams are RSRP _m , the index of the antenna panel corresponding to the receiving beam indicated by the first information is i _m , m=0,1, ...M-1. When PanelSelectionOn (that is, the second indication information) is 1, the network device first determines the relative receiving gain of the antenna panel corresponding to the receiving beam m according to the antenna panel index i _m

Then based on the compensated RSRP value

Select the receiving beam with the largest compensated RSRP value.

For example, the terminal device reports two receiving beams beam0 and beam1, the initial RSRP values corresponding to the two receiving beams are RSRP 0 and RSRP 1, respectively, and the first indication information indicates that beam0 corresponds to antenna panel 0 and The beam1 corresponds to antenna panel 1. When PanelSelectionOn (that is, the second indication information) is 1, the network device finds, according to the first indication information, that the relative reception gain of antenna panel 0 is ΔG ₀ , and the relative reception gain of antenna panel 1 is ΔG ₁ , Then the network device obtains the compensated RSRP value of beam0 as RSRP ₀ +ΔG ₀ and obtains the compensated RSRP value of beam1 as RSRP ₁ +ΔG ₁ , and then determines the receiving beam with the largest compensated RSRP value. For example, the selection process can refer to the reception beam selection process shown in FIG. 4.

Case b3: When the second indication information is whether to perform an antenna panel gain compensation indication, that is, the second indication information is the case in the above example a2), and when the second indication information indicates that the network device When the RSRP of the terminal device performs compensation, when the network device performs step 202, the specific method may be:

Determining, by the network device, the relative receiving gain of each antenna panel, determining the compensation gain of the receiving beam corresponding to each antenna panel, and the initial RSRP value of the receiving beam corresponding to each antenna panel according to the first indication information;

The network device determines the compensated RSRP value of each receiving beam according to the relative receiving gain of each antenna panel, the compensation gain of each receiving beam, and the initial RSRP value of each receiving beam;

The method for the network device to determine the initial RSRP value of the receive beam corresponding to each antenna panel according to the first indication information is the same as the method for the network device in case 1 to determine each antenna according to the first indication information The methods for the RSRP values of the receiving beams corresponding to the panels are similar and can be referred to each other.

Wherein, the network device determines the relative reception gain corresponding to each antenna panel according to the first indication information, which is similar to the related content involved in case 2, and the method and process can be referred to each other, and will not be repeated here.

Specifically, the network device determines the compensation gain of the receiving beam corresponding to each antenna panel according to the first indication information. The network device may find the antenna panel and the corresponding receiving beam according to the first indication information. The corresponding relationship of the compensation gain is then determined to determine the compensation gain of the receiving beam corresponding to each antenna panel. Optionally, the correspondence between the antenna panel and the compensation gain of the corresponding receiving beam may be stored in the network device in the form of a table, of course, it may also be stored in the network device in a form other than a table. Network equipment.

In an embodiment, the compensation gain of the receiving beam corresponding to each antenna panel is sent to the network device by the terminal device during the process of reporting the terminal device capability before sending the first information to the network device. . Specifically, the terminal device may lead to sending the compensation gain of each antenna panel through the third information. In another implementation manner, the terminal device may also send the compensation gain of each antenna panel to the network device through another information (for example, fourth information) different from the third information.

Specifically, assuming that the terminal device reports M receiving beams, the index of the antenna panel corresponding to the receiving beam indicated by the first information is i _m , m = 0, 1, ... M-1, and the initial value of the corresponding receiving beam The RSRP value is RSRP _m , and the compensation gain indicator of the corresponding antenna panel is j _m . When the GainCompIndicator (ie, the second indication information) is j _m =1, the network device is based on the compensated RSRP value

Select the receiving beam with the largest compensated RSRP value. among them,

The value of can refer to the relevant description involved in the above case b2, which will not be repeated here.

For example, the terminal device reports two receiving beams beam0 and beam1, the initial RSRP values corresponding to the two receiving beams are RSRP 0 and RSRP 1, respectively, and the first indication information indicates that beam0 corresponds to antenna panel 0 and The beam1 corresponds to antenna panel 1. When GainCompIndicator (that is, the second indication information) is 1, the network device finds that the relative reception gain of antenna panel 0 is ΔG ₀ and the relative reception gain of antenna panel 1 is ΔG ₁ according to the first indication information; And the network device finds, according to the first indication information, that the compensation gain of beam0 corresponding to antenna panel 0 is GainCompIndicator ₀ (that is, j ₀ ), and the compensation gain of beam1 corresponding to antenna panel 1 is GainCompIndicator ₁ (that is, j ₁ ). Then the network device obtains the compensated RSRP value of beam0 RSRP ₀ +j ₀ ×ΔG ₀ , and obtains the compensated RSRP value of beam1 RSRP ₁ +j ₁ ×ΔG ₁ , and then determines the largest compensated RSRP value Receive beam. For example, the selection process can refer to the reception beam selection process shown in FIG. 5.

It should be noted that in the above cases b1, b2, and b3, when selecting the receiving beam, the receiving beam with the largest RSRP value (or the compensated RSRP value) is selected. In practice, when selecting the receiving beam, one of the receiving beams whose RSRP value (or the compensated RSRP value) is greater than or equal to the set threshold can be selected, where the RSRP value (or the compensated RSRP value) is selected The largest receiving beam is only one of the most effective ways, but it does not limit this application.

In an optional implementation manner, when only one receiving beam needs to be selected, the methods in the above cases b1, b2, and b3 can be used, but when multiple receiving beams need to be selected, you can select Multiple receiving beams whose RSRP value (or compensated RSRP value) is greater than or equal to the set threshold are produced, and the effect is better. You can select the RSRP value (or compensated RSRP value) and rank the first few beams. Receive beams.

Among them, the above-mentioned setting threshold can be configured according to the pre-link budget.

It should be noted that the method of selecting the receiving beam by other parameters is similar to the method where the parameter is RSRP, and can be cross-referenced. For example, when using SNR or SINR, the RSRP value in the above process can be directly replaced with the SNR value or SINR. The value is sufficient, and the SNR value (or the compensated SNR value) or the compensated SINR value (or the compensated SINR value) can be obtained. The specific process will not be described in detail here.

Step 203: The network device sends second information to the terminal device, where the second information is used to notify the terminal device of the receiving beam used for transmission.

Specifically, the process of the network device sending the second information to the terminal device is also the process of beam indication in the wave speed management process. Specifically, in the beam instruction process, after the network device selects the receiving beam for transmission, it uses the quasi-co-location (QCL) relationship defined by the protocol to instruct the terminal device to use the specific receiving beam to perform Data or signal reception.

In a possible implementation manner, when the network device sends the second information to the terminal device, the network device may pass the second information through downlink control information (DCI), MAC -CE or RRC sent to the terminal equipment.

In a specific implementation, after the terminal device receives an instruction from the network device, the terminal device determines the antenna panel corresponding to the receiving beam used for transmission, and in the subsequent transmission process, the terminal device uses the last The receiving beam formed by a certain antenna panel is used for transmission.

It should be noted that when the terminal device sends the first information to the network device and the network device sends the second information to the terminal device, the same or different service frequencies may be used for sending, for example, sending The frequency of the first information may be a frequency less than 6 GHz, and the service frequency for sending the second information may be 28 GHz, or there are other possible combinations, which will not be listed here.

Using the method for selecting a receiving beam provided in an embodiment of the application, the terminal device sends first information to the network device, where the first information includes first indication information and second indication information; wherein, the first indication information is used for Indicate the antenna panel corresponding to each receiving beam of the terminal device; the second indication information is used to indicate whether the network device compensates for the RSRP of the terminal device; the network device according to the first indication information and After the second indication information determines the receiving beam used for transmission by the terminal device, second information is sent to the terminal device, where the second information is used to notify the terminal device of the receiving beam used for transmission. Through the above method, the terminal device can determine the subsequent antenna panel for transmission in combination with the receiving beam selected by the network device, so that the subsequent terminal device can transmit through the better selected antenna panel, thereby improving the transmission and reception of the terminal device. Throughput, improve the transmission performance of terminal equipment.

In specific implementation, in addition to the above steps, the beam management process may also include SSB transmission, random access, and terminal equipment capability reporting processes. These processes are the steps included in the method for selecting a receiving beam provided in the embodiment of this application. prior to. Specifically, the beam management process applicable to the method for selecting a receiving beam provided by the embodiment of the present application may be referred to as shown in FIG. 6, and the specific beam management process may include:

Step 601: The network device sends the SSB to the terminal device.

Wherein, the method for the network device to send the SSB can rely on the prior art protocol. The default sending period of SSB Burst is 20ms. The number of SSBs included in the SSB Burst is determined by the network device. According to the standard agreement, the terminal device uses a single antenna element to form a wide beam to receive the SSB sent by the network device with a time window of 5 ms, and performs synchronization and beam measurement to obtain the best beam pair and the corresponding RSRP.

Step 602: The terminal device performs random access.

Wherein, the terminal device performs random access according to the 4-step random access procedure stipulated in the protocol: RACH Preamble sending, MSG2, MSG3, and MSG4. At this time, the terminal device chooses to use the antenna panel determined in the SSB scanning process to send relevant signals in the random access process.

Step 603: The terminal device reports the terminal device capabilities.

Wherein, in the process of reporting the capabilities of the terminal device, the terminal device may report the reported information involved in the embodiment shown in FIG. 2. In addition to the above-mentioned information, the terminal device may also report the terminal The number of antenna panels included in the device. Optionally, the number of antenna panels may be represented by nrofReportPanel, where the value of nrofReportPanel may be M={1,2,3,3,4,5,6,7,8...}.

In an optional implementation manner, the capability report of the terminal device in step 603 may be implemented through the random access procedure in step 602, that is, step 602 may include the content reported in step 603, This application does not limit this.

Step 604: The terminal device performs beam reporting.

Specifically, the process of the terminal device performing beam reporting may refer to the process of step 201 in the embodiment shown in FIG. 2, which is not described in detail here in this application.

Step 605: The network device performs beam determination.

Specifically, for the beam determination process performed by the terminal device, reference may be made to the process of step 202 in the embodiment shown in FIG. 2, which is not described in detail here in this application.

Step 606: The network device performs beam indication.

Specifically, for the beam indication process performed by the terminal device, reference may be made to the process of step 203 in the embodiment shown in FIG. 2, which is not described in detail here in this application.

The various embodiments described in this document may be independent solutions, or may be combined according to internal logic, and these solutions fall within the protection scope of the present application.

It is understandable that, in the foregoing method embodiments, the methods and operations implemented by terminal devices can also be implemented by components (such as chips or circuits) that can be used in terminal devices, and the methods and operations implemented by network devices can also be implemented by It can be implemented by components (such as chips or circuits) of network devices.

Based on the above embodiments, the embodiments of the present application also provide a device for selecting a receiving beam. The device is applied to the communication system as shown in FIG. 1. The device may be a processor, or a chip, or a chip in a network device. System, or a functional module, etc. Referring to FIG. 7, the apparatus 700 for selecting a receiving beam may include: a receiving unit 701, a processing unit 702, and a sending unit 703. The apparatus 700 for selecting a receiving beam may be used to implement the operations of the aforementioned network equipment. Wherein: the receiving unit 701 may be used to implement the receiving action or function related to the network device in the foregoing method embodiment, and the sending unit 703 may be used to implement the sending action or function related to the network device in the foregoing method embodiment. The processing unit 702 may be used to implement other actions or functions related to the network device in the foregoing method embodiment. For details, reference may be made to the foregoing implementation example.

In terms of hardware implementation, the aforementioned processing unit 702 can be a processor or a processing circuit, etc.; the sending unit 703 can be a transmitter or a sending circuit, etc., the receiving unit 701 can be a receiver or a receiving circuit, etc., and the sending unit 703 and the receiving unit 701 can be Form a transceiver.

In a specific implementation manner, when the apparatus 700 for selecting a receiving beam is used to implement the method for selecting a receiving beam as shown in FIG. 2, it may specifically be:

The receiving unit 701 is configured to receive first information from a terminal device, and the first information includes first indication information and second indication information; wherein, the first indication information is used to instruct the terminal device to receive each The antenna panel corresponding to the beam; the second indication information is used to indicate whether the apparatus 700 for selecting a receiving beam compensates the reference signal received power RSRP of the terminal device;

The processing unit 702 is configured to determine the receiving beam used by the terminal device for transmission according to the first indication information and the second indication information;

The sending unit 703 is configured to send second information to the terminal device, where the second information is used to notify the terminal device of the receiving beam used for transmission.

In an optional implementation manner, the second indication information is whether to perform a terminal device antenna panel selection instruction, or the second indication information is whether to perform an antenna panel gain compensation instruction.

In an example, when the second indication information indicates that the apparatus 700 for selecting a receiving beam does not compensate for the RSRP of the terminal device, the processing unit 702 is performing the process according to the first indication information and the second indication. When the information determines the receiving beam used by the terminal device for transmission, it is specifically used for:

The RSRP value of the receiving beam corresponding to each antenna panel is determined according to the first indication information, and the receiving beam with the largest RSRP value is determined; the determined receiving beam is used as the receiving beam for transmission.

In another example, when the second indication information is whether to perform a terminal device antenna panel selection instruction, and when the second indication information indicates that the apparatus 700 for selecting a receiving beam compensates the RSRP of the terminal device, When the processing unit 702 determines the receiving beam used for transmission by the terminal device according to the first indication information and the second indication information, it is specifically configured to:

Determine the relative receiving gain of each antenna panel and the initial RSRP value of the receiving beam corresponding to each antenna panel according to the first indication information; determine the relative receiving gain of each antenna panel and the initial RSRP value of each receiving beam The compensated RSRP value of each receiving beam; the receiving beam with the largest compensated RSRP value is determined to be the receiving beam used for transmission.

In another example, when the second indication information indicates whether to perform antenna panel gain compensation, and when the second indication information indicates that the apparatus 700 for selecting a receive beam compensates the RSRP of the terminal device, The processing unit 702 is specifically configured to: when determining the receiving beam used by the terminal device for transmission according to the first indication information and the second indication information:

Determine the relative receiving gain of each antenna panel according to the first indication information, determine the compensation gain of the receiving beam corresponding to each antenna panel, and the initial RSRP value of the receiving beam corresponding to each antenna panel; The receiving gain, the compensation gain of each receiving beam, and the initial RSRP value of each receiving beam determine the compensated RSRP value of each receiving beam; it is determined that the receiving beam with the largest compensated RSRP value is the receiving beam used for transmission .

In an optional implementation manner, the receiving unit 701 is further configured to: before receiving the first information from the terminal device, receive third information from the terminal device, the third information It includes one or more of the following: the relative receiving gain of each antenna panel, and the compensation gain of each antenna panel.

Based on the above embodiments, the embodiments of the present application also provide a device for selecting a receiving beam. The device is applied to the communication system as shown in FIG. 1. The device may be a processor, or a chip, or a chip in a terminal device. System, or a functional module, etc. Referring to FIG. 8, the apparatus 800 for selecting a receiving beam may include: a sending unit 801 and a receiving unit 802. The apparatus 800 for selecting a receiving beam may be used to implement the operations of the aforementioned network equipment. Wherein: the sending unit 801 may be used to implement the sending actions or functions related to the terminal device in the foregoing method embodiments, and the receiving unit 802 may be used to implement the receiving actions or functions related to the terminal device in the foregoing method embodiments. Optionally, the apparatus 800 for selecting a receiving beam may further include a processing unit, and the processing unit may be used to implement other actions or functions related to the terminal device in the foregoing method embodiments. For details, reference may be made to the foregoing implementation examples.

In terms of hardware implementation, the foregoing sending unit 801 may be a transmitter or a sending circuit, etc., the receiving unit 802 may be a receiver or a receiving circuit, etc., and the sending unit 801 and the receiving unit 802 may constitute a transceiver. The aforementioned processing unit may be a processor or a processing circuit.

In a specific implementation manner, when the apparatus 800 for selecting a receiving beam is used to implement the operation of a terminal device in the method for selecting a receiving beam as shown in FIG. 2, it may specifically be:

The sending unit 801 is configured to send first information to a network device, and the first information includes first indication information and second indication information; wherein, the first indication information is used to indicate the device for selecting the receiving beam 800 the antenna panel corresponding to each receive beam; the second indication information is used to indicate whether the network device compensates the reference signal received power RSRP of the apparatus 800 for selecting the receive beam;

The receiving unit 802 is configured to receive second information from the network device, and the second information is used to notify the apparatus 800 for selecting a receiving beam, and the network device is based on the first indication information and the second indication The receiving beam selected by the information for transmission.

In an optional implementation manner, the second instruction information is an antenna panel selection instruction of the apparatus 800 for selecting a receiving beam, or the second instruction information is an antenna panel gain compensation instruction.

In an exemplary implementation manner, the sending unit 801 is further configured to: before sending the first information to the network device, send third information to the network device, where the third information includes the following: One or more: the relative receiving gain of each antenna panel, the compensation gain of each antenna panel.

It should be noted that the division of units in the embodiments of the present application is illustrative, and is only a logical function division, and there may be other division methods in actual implementation. The functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit. The above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.

If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium. Based on this understanding, the technical solution of this application essentially or the part that contributes to the existing technology or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , Including a number of instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (read-only memory, ROM), random access memory (random access memory, RAM), magnetic disk or optical disk and other media that can store program code .

Based on the above embodiments, the embodiments of the present application also provide a device for selecting a receiving beam. The device for selecting a receiving beam is applied to the communication system as shown in FIG. 1, and the device for selecting a receiving beam can perform the above method implementation. The function of the network device in the example, or the steps or processes performed by the network device in the foregoing embodiment of the manner. Referring to FIG. 9, the apparatus 900 for selecting a receiving beam may include a transceiver 901 and a processor 902, and optionally may also include a memory 903. among them:

The processor 902 may be a central processing unit (CPU), a network processor (NP), or a combination of CPU and NP, or the like. The processor 902 may further include a hardware chip. The aforementioned hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD) or a combination thereof. The aforementioned PLD may be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a general array logic (generic array logic, GAL), or any combination thereof. When the processor 902 realizes the above functions, it can be realized by hardware, and of course, it can also be realized by hardware executing corresponding software.

The transceiver 901 and the processor 902 are connected to each other. Optionally, the transceiver 901 and the processor 902 are connected to each other through a bus 904; the bus 904 may be a Peripheral Component Interconnect (PCI) bus or an extended industry standard architecture (Extended Industry Standard Architecture, EISA) bus, etc. The bus can be divided into address bus, data bus, control bus, etc. For ease of representation, only one thick line is used in FIG. 9, but it does not mean that there is only one bus or one type of bus.

In an optional implementation manner, the memory 903 is coupled with the processor 902 for storing programs and the like. Specifically, the program may include program code, and the program code includes computer operation instructions. The memory 903 may include RAM, or may also include non-volatile memory, such as at least one disk memory. The processor 902 executes the application program stored in the memory 903 to realize the above-mentioned functions, thereby realizing the method executed by the network device.

The foregoing transceiver 901 may correspond to the receiving unit and the sending unit in FIG. 7, and may also be referred to as a transceiver unit. The transceiver 901 may include a receiver (or called a receiver, a receiving circuit) and a transmitter (or called a transmitter, a transmitting circuit). Among them, the receiver is used to receive information, and the transmitter is used to transmit information.

In an embodiment, the apparatus for selecting a receiving beam described in FIG. 9 may be used to perform operations of the network device in the embodiment shown in FIG. 2 above. The operation and/or function of each module in the device 900 for selecting the received wave speed is to implement the corresponding process in the foregoing method embodiment. The transceiver 901 is used to communicate and interact with other devices, that is, to send and receive information. The processor 902 is configured to control and manage the actions of the network device. For example, the processor 902 may control the steps performed by the transceiver 901 and other operations to implement the selective receiving beam shown in FIG. 2 For the specific process, please refer to the specific description in the above embodiment, which will not be repeated here.

Based on the above embodiments, the embodiments of the present application also provide a device for selecting a receiving beam. The device for selecting a receiving beam is applied to the communication system as shown in FIG. 1, and the device for selecting a receiving beam can perform the above method implementation. The function of the terminal device in the example, or implements the steps or processes performed by the terminal device in the above-mentioned embodiment. Referring to FIG. 10, the apparatus 1000 for selecting a receiving beam may include a transmitter 1001 and a receiver 1002, and optionally, may also include a memory 1003 and/or a processor 1005. among them:

Optionally, the transmitter 1001 and the receiver 1002 are connected to each other. Optionally, the transmitter 1001 and the receiver 1002 are connected to each other through a bus 1004; the bus 1004 may be a Peripheral Component Interconnect (PCI) bus or an extended industry standard architecture (Extended Industry Standard Architecture, EISA) bus, etc. The bus can be divided into address bus, data bus, control bus, etc. For ease of representation, only one thick line is used to represent in FIG. 10, but it does not mean that there is only one bus or one type of bus.

Optionally, the processor 1005 may be a central processing unit (central processing unit, CPU), a network processor (network processor, NP), or a combination of CPU and NP, or the like. The processor 1005 may further include a hardware chip. The aforementioned hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD) or a combination thereof. The aforementioned PLD may be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a general array logic (generic array logic, GAL), or any combination thereof. When the processor 1005 realizes the above functions, it can be realized by hardware, and of course, it can also be realized by hardware executing corresponding software.

In an optional implementation manner, the memory 1003 is coupled with the processor 1005 for storing programs and the like. Specifically, the program may include program code, and the program code includes computer operation instructions. The memory 1003 may include RAM, or may also include non-volatile memory, for example, at least one disk memory. The processor 1005 executes the application program stored in the memory 1003 to realize the above-mentioned functions, thereby realizing the method executed by the terminal device.

The above-mentioned transmitter 1001 may correspond to the sending unit in FIG. 8, and the receiver 1002 may correspond to the receiving unit in FIG. 8. The transmitter 1001 can also be called a transmitter and a transmitting circuit, and the receiver 1002 can also be called a receiver and a receiving circuit. Optionally, the transmitter 1001 and the receiver 1002 may be combined into a transceiver, which may be called a transceiver unit.

In an embodiment, the apparatus for selecting a receiving beam described in FIG. 10 may be used to perform the operation of the terminal device in the embodiment shown in FIG. 2 above. The operation and/or function of each module in the device 900 for selecting the received wave speed is to implement the corresponding process in the foregoing method embodiment. Wherein, the transmitter 1001 is used to realize the function of sending information of the terminal device in the above embodiment, and the receiver 1002 is used to realize the function of receiving information of the terminal device in the above embodiment. For the specific process, please refer to the above embodiment. The specific description of, will not be repeated here.

Based on the above embodiments, when the device for selecting a receiving beam provided in the embodiments of the present application is a network device involved in this application, the structure of the network device may be the structure of a base station. The base station can be applied to the communication system shown in FIG. 1 to perform the functions of the network device in the foregoing method embodiment, or to implement the steps or processes performed by the network device in the foregoing method embodiment.

For example, the base station may include one or more radio frequency units, such as a remote radio unit (RRU) and one or more baseband units (BBU) (also referred to as digital units, digital units, DU). ). The RRU may be called a transceiver unit, which corresponds to the receiving unit and the sending unit in FIG. 7. Optionally, the transceiver unit may also be called a transceiver, a transceiver circuit, or a transceiver, etc., which may include at least one antenna and a radio frequency unit. Optionally, the transceiving unit may include a receiving unit and a transmitting unit, the receiving unit may correspond to a receiver (or receiver, receiving circuit), and the transmitting unit may correspond to a transmitter (or transmitter, transmitting circuit). The RRU part is mainly used for receiving and sending radio frequency signals and conversion between radio frequency signals and baseband signals, for example, for sending information to terminal equipment. The BBU part is mainly used to perform baseband processing, control the base station, and so on. The RRU and BBU may be physically set together, or physically separated, that is, a distributed base station.

The BBU is the control center of the base station, and may also be called a processing unit, which may correspond to the processing unit in FIG. 7, and is mainly used to complete baseband processing functions, such as channel coding, multiplexing, modulation, and spreading. For example, the BBU (processing unit) may be used to control the base station to execute the operation procedure of the network device in the foregoing method embodiment, for example, determine the receiving beam used by the terminal device for transmission according to the first indication information and the second indication information.

In an example, the BBU may be composed of one or more single boards, and multiple single boards may jointly support a wireless access network (such as an LTE network) of a single access mode, or may respectively support wireless access networks of different access modes. Access network (such as LTE network, 5G network or other networks). The BBU also includes a memory and a processor. The memory is used to store necessary instructions and data. The processor is used to control the base station to perform necessary actions, for example, to control the base station to execute the operation procedure of the network device in the foregoing method embodiment. The memory and processor may serve one or more single boards. In other words, the memory and the processor can be set separately on each board. It can also be that multiple boards share the same memory and processor. In addition, necessary circuits can be provided on each board.

It should be understood that the base station can implement various processes involving network devices in the foregoing method embodiments. The operations and/or functions of each module in the base station are to implement the corresponding procedures in the foregoing method embodiments. For details, please refer to the description in the foregoing method embodiment, and details are not repeated here.

In addition, the network equipment is not limited to the above forms, and may also be in other forms: for example: including BBU and adaptive radio unit (ARU), or BBU and active antenna unit (AAU); or Customer premises equipment (CPE) may also be in other forms, which is not limited by this application.

The above-mentioned BBU can be used to perform the actions described in the previous method embodiments implemented by the network device, and the RRU can be used to perform the actions described in the previous method embodiments that the network device sends to or receives from the terminal device. For details, please refer to the description in the previous method embodiment, which will not be repeated here.

According to the method provided in the embodiments of the present application, the present application also provides a computer program product. The computer program product includes computer program code, which when the computer program code runs on a computer, causes the computer to execute any of the above method embodiments. The method of an embodiment.

According to the method provided by the embodiments of the present application, the present application also provides a computer-readable medium that stores program code, and when the program code runs on a computer, the computer executes any of the above method embodiments. The method of an embodiment.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented by software, it can be implemented in the form of a computer program product in whole or in part. The computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on the computer, the processes or functions described in the embodiments of the present application are generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from a website, computer, server, or data center. Transmission to another website, computer, server or data center via wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.). The computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or a data center integrated with one or more available media. The usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a high-density digital video disc (digital video disc, DVD)), or a semiconductor medium (for example, a solid state disk (solid state disc, SSD)) etc.

The network equipment in the above apparatus embodiments corresponds to the network equipment or terminal equipment in the terminal equipment and method embodiments, and the corresponding modules or units execute the corresponding steps, such as the transceiver (receiver and transmitter, receiving unit and sending unit) ) The steps of receiving or sending in the method embodiment are executed, and other steps except sending and receiving can be executed by the processing unit (processor). For the functions of specific units, refer to the corresponding method embodiments. There may be one or more processors.

In summary, the embodiments of the present application provide a method and device for selecting a receiving beam. In this method, a terminal device sends first information to a network device, and the first information includes first indication information and second information. Indication information; wherein, the first indication information is used to indicate the antenna panel corresponding to each receive beam of the terminal device; the second indication information is used to indicate whether the network device compensates the RSRP of the terminal device After the network device determines the receiving beam used for transmission by the terminal device according to the first indication information and the second indication information, it sends second information to the terminal device, and the second information is used for notification The receiving beam used for transmission by the terminal device. Through the above method, the terminal device can determine the subsequent antenna panel for transmission in combination with the receiving beam selected by the network device, so that the subsequent terminal device can transmit through the better selected antenna panel, thereby improving the transmission and reception of the terminal device. Throughput, improve the transmission performance of terminal equipment.

Those skilled in the art should understand that the embodiments of the present application can be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, this application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.

This application is described with reference to flowcharts and/or block diagrams of methods, equipment (systems), and computer program products according to the embodiments of this application. It should be understood that each process and/or block in the flowchart and/or block diagram, and the combination of processes and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing equipment to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing equipment are generated It is a device that realizes the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device. The device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment. The instructions provide steps for implementing functions specified in a flow or multiple flows in the flowchart and/or a block or multiple blocks in the block diagram.

Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present application without departing from the scope of the embodiments of the present application. In this way, if these modifications and variations of the embodiments of this application fall within the scope of the claims of this application and their equivalent technologies, this application is also intended to include these modifications and variations.

Claims

A method for selecting a receiving beam, characterized in that it comprises:

The network device receives first information from the terminal device, and the first information includes first indication information and second indication information; wherein, the first indication information is used to indicate the antenna panel corresponding to each receiving beam of the terminal device The second indication information is used to indicate whether the network device compensates for the reference signal received power RSRP of the terminal device;

Determining, by the network device, the receiving beam used for transmission by the terminal device according to the first indication information and the second indication information;

The network device sends second information to the terminal device, where the second information is used to notify the terminal device of the receiving beam used for transmission.
The method according to claim 1, wherein the second instruction information is whether to perform an antenna panel selection instruction of the terminal device, or the second instruction information is whether to perform an antenna panel gain compensation instruction.
The method according to claim 1 or 2, wherein when the second indication information indicates that the network device does not compensate the RSRP of the terminal device, the network device is based on the first indication information and The second indication information determining the receiving beam used by the terminal device for transmission includes:

The network device determines the RSRP value of the receiving beam corresponding to each antenna panel according to the first indication information, and determines the receiving beam with the largest RSRP value;

The network device uses the determined receiving beam as the receiving beam used for transmission.
The method according to claim 2, wherein when the second indication information is whether to perform a terminal device antenna panel selection instruction, and when the second indication information indicates the RSRP of the network device to the terminal device When performing compensation, the network device determining the receiving beam used for transmission by the terminal device according to the first indication information and the second indication information includes:

Determining, by the network device, the relative receiving gain of each antenna panel and the initial RSRP value of the receiving beam corresponding to each antenna panel according to the first indication information;

The network device determines the compensated RSRP value of each receiving beam according to the relative receiving gain of each antenna panel and the initial RSRP value of each receiving beam;

The network device determines that the receiving beam with the largest compensated RSRP value is the receiving beam used for transmission.
The method according to claim 2, wherein when the second instruction information is whether to perform antenna panel gain compensation instruction, and when the second instruction information instructs the network device to perform the RSRP of the terminal device During compensation, the network device determining the receiving beam used by the terminal device for transmission according to the first indication information and the second indication information includes:

Determining, by the network device, the relative receiving gain of each antenna panel, determining the compensation gain of the receiving beam corresponding to each antenna panel, and the initial RSRP value of the receiving beam corresponding to each antenna panel according to the first indication information;

The network device determines the compensated RSRP value of each receiving beam according to the relative receiving gain of each antenna panel, the compensation gain of each receiving beam, and the initial RSRP value of each receiving beam;

The network device determines that the receiving beam with the largest compensated RSRP value is the receiving beam used for transmission.
5. The method according to any one of claims 1-5, wherein before the network device receives the first information from the terminal device, the method further comprises:

The network device receives third information from the terminal device, and the third information includes one or more of the following: the relative reception gain of each antenna panel, and the compensation gain of each antenna panel.
A method for selecting a receiving beam, characterized in that it comprises:

The terminal device sends first information to the network device, and the first information includes first indication information and second indication information; wherein, the first indication information is used to indicate the antenna panel corresponding to each receiving beam of the terminal device The second indication information is used to indicate whether the network device compensates for the reference signal received power RSRP of the terminal device;

The terminal device receives second information from the network device, where the second information is used to notify the terminal device of the information selected by the network device for transmission based on the first indication information and the second indication information Receive beam.
The method according to claim 7, wherein the second indication information is whether to perform an antenna panel selection instruction of the terminal device, or the second indication information is whether to perform an antenna panel gain compensation instruction.
8. The method according to claim 7 or 8, characterized in that, before the terminal device sends the first information to the network device, the method further comprises:

The terminal device sends third information to the network device, and the third information includes one or more of the following: the relative reception gain of each antenna panel, and the compensation gain of each antenna panel.
A device for selecting a receiving beam, characterized in that it comprises:

A transceiver, configured to receive first information from a terminal device, the first information including first indication information and second indication information; wherein, the first indication information is used to indicate that each receiving beam corresponds to the terminal device The antenna panel; the second indication information is used to indicate whether the receiving beam selection device compensates the reference signal received power RSRP of the terminal device;

A processor, configured to determine, according to the first indication information and the second indication information, a receiving beam used by the terminal device for transmission;

The transceiver is further configured to send second information to the terminal device, where the second information is used to notify the terminal device of the receiving beam used for transmission.
The apparatus for selecting a receiving beam according to claim 10, wherein the second indication information is whether to perform a terminal device antenna panel selection instruction, or the second indication information is whether to perform an antenna panel gain compensation instruction.
The apparatus for selecting a receiving beam according to claim 10 or 11, wherein when the second indication information indicates that the apparatus for selecting a receiving beam does not compensate the RSRP of the terminal device, the processor, When determining the receiving beam used by the terminal device for transmission according to the first indication information and the second indication information, it is specifically used to:

Determine the RSRP value of the receiving beam corresponding to each antenna panel according to the first indication information, and determine the receiving beam with the largest RSRP value;

Use the determined receiving beam as the receiving beam used for transmission.
The device for selecting a receiving beam according to claim 11, wherein when the second instruction information is whether to perform a terminal equipment antenna panel selection instruction, and when the second instruction information indicates the device for selecting a receiving beam When compensating for the RSRP of the terminal device, the processor is specifically configured to: when determining the receiving beam used by the terminal device for transmission according to the first indication information and the second indication information:

Determine the relative receiving gain of each antenna panel and the initial RSRP value of the receiving beam corresponding to each antenna panel according to the first indication information;

Determine the compensated RSRP value of each receiving beam according to the relative receiving gain of each antenna panel and the initial RSRP value of each receiving beam;

It is determined that the receiving beam with the largest compensated RSRP value is the receiving beam used for transmission.
The device for selecting a receiving beam according to claim 11, wherein when the second indication information is whether to perform an antenna panel gain compensation instruction, and when the second indication information indicates that the device for selecting the receiving beam pair When the RSRP of the terminal device performs compensation, the processor is specifically configured to: when determining the receiving beam used by the terminal device for transmission according to the first indication information and the second indication information:

Determining the relative receiving gain of each antenna panel, determining the compensation gain of the receiving beam corresponding to each antenna panel, and the initial RSRP value of the receiving beam corresponding to each antenna panel according to the first indication information;

Determine the compensated RSRP value of each receiving beam according to the relative receiving gain of each antenna panel, the compensation gain of each receiving beam and the initial RSRP value of each receiving beam;

It is determined that the receiving beam with the largest compensated RSRP value is the receiving beam used for transmission.
The device for selecting a receiving beam according to any one of claims 10-14, wherein the transceiver is further used for:

Before receiving the first information from the terminal device, receive third information from the terminal device. The third information includes one or more of the following: the relative reception gain of each antenna panel, and each antenna The compensation gain of the panel.
A device for selecting a receiving beam, characterized in that it comprises:

A transmitter, configured to send first information to a network device, where the first information includes first indication information and second indication information; wherein, the first indication information is used to indicate each of the apparatuses for selecting receiving beams The antenna panel corresponding to the receiving beam; the second indication information is used to indicate whether the network device compensates the reference signal received power RSRP of the device for selecting the receiving beam;

A receiver, configured to receive second information from the network device, where the second information is used to notify the device for selecting a receiving beam, the network device selected based on the first indication information and the second indication information The receive beam used for transmission.
The device for selecting a receiving beam according to claim 16, wherein the second indication information is whether to select an antenna panel selection instruction of the receiving beam device, or the second indication information is whether to perform antenna panel gain compensation. Instructions.
The device for selecting a receiving beam according to claim 16 or 17, wherein the transmitter is further used for:

Before sending the first information to the network device, send third information to the network device, and the third information includes one or more of the following: the relative receiving gain of each antenna panel, and each antenna The compensation gain of the panel.
A computer storage medium, wherein the computer storage medium stores computer-executable instructions, and when called by the computer, the computer-executable instructions are used to make the computer execute the above-mentioned claims 1-9 Any one of the methods.
A chip, characterized in that the chip is coupled with a memory, and is used to read and execute program instructions stored in the memory to implement the method according to any one of claims 1-9.