Beam management method, apparatus, terminal, network device and readable storage medium

Abstract

Embodiments of the present application disclose a beam management method, device, terminal, network device and readable storage medium, the method comprising: a first terminal receiving first configuration information sent by a network device, the first configuration information being used for indicating a candidate beam set, the candidate beam set being used for beam measurement of at least two terminals included in a terminal group; the first terminal being any terminal in the terminal group; and the first terminal determining the candidate beam set based on the first configuration information.

Description

Technical Field

[0001] This invention relates to the field of wireless communication technology, and in particular to a beam management method, apparatus, terminal, network device, and readable storage medium. Background Technology

[0002] Due to the scarcity of low-frequency resources, 5G utilizes millimeter waves to achieve greater bandwidth. However, millimeter waves have short wavelengths and poor propagation performance, such as high propagation loss. Currently, beamforming technology is generally used to improve beam gain and ensure coverage distance. Therefore, a beam management mechanism is needed to determine the transmit and receive beams. The signal quality received by the terminal is easily affected by environmental changes or the terminal's own rotation, resulting in beam failure. Therefore, Beam Failure Recovery (BFR) is a crucial step in maintaining transmit and receive beam pairs.

[0003] Existing beam failure recovery schemes require measuring multiple candidate beams during candidate beam identification to determine the optimal new beam. The power consumption of beam measurement is approximately proportional to the number of beams. From millimeter waves to terahertz, higher frequencies result in narrower beams, requiring more beams to ensure signal coverage, leading to even greater power consumption in beam measurement. Therefore, it is necessary to consider how to reduce the power consumption of beam measurement. Summary of the Invention

[0004] To address the existing technical problems, embodiments of the present invention provide a beam management method, apparatus, terminal, network device, and readable storage medium.

[0005] To achieve the above objectives, the technical solution of this invention is implemented as follows:

[0006] In a first aspect, embodiments of the present invention provide a beam management method, comprising:

[0007] The first terminal receives first configuration information sent by the network device. The first configuration information is used to indicate a candidate beam set. The candidate beam set is used for beam measurement by at least two terminals included in the terminal group. The first terminal is any terminal in the terminal group.

[0008] The first terminal determines the candidate beam set based on the first configuration information.

[0009] The method in the above scheme further includes:

[0010] The first terminal receives second configuration information sent by the network device, the second configuration information being used to indicate a subset of candidate beams in the candidate beam set corresponding to the first terminal;

[0011] The first terminal determines the candidate beam subset based on the second configuration information.

[0012] In the above scheme, the second configuration information includes the index value corresponding to each beam in the candidate beam subset.

[0013] In the above scheme, the second configuration information includes a first parameter, a second parameter, and a first index value. The first parameter is used to indicate that the candidate beam subset is determined by the first terminal, the second parameter is used to indicate the determination rule of the candidate beam subset, and the first index value is used to indicate the candidate beam subset corresponding to the first terminal.

[0014] In the above scheme, the candidate beam subset corresponding to each terminal in the terminal group constitutes the candidate beam set.

[0015] In the above scheme, the terminal group satisfies at least one of the following conditions:

[0016] The distance between each terminal in the terminal group is within a first range or does not exceed a first threshold.

[0017] The beam arrival angle of each terminal in the terminal group is within the second range or does not exceed the second threshold.

[0018] The difference in the index values ​​of the optimal transmission beams corresponding to each terminal in the terminal group is within the third range or does not exceed the third threshold.

[0019] The signal quality measured by each terminal in the terminal group is within the fourth range or does not exceed the fourth threshold.

[0020] The channel quality information corresponding to each terminal in the terminal group is within the fifth range or does not exceed the fifth threshold; the channel quality information includes at least one of the following: Channel Quality Indicator (CQI), precoding matrix index, and modulation and coding scheme (MCS) index.

[0021] The method in the above scheme further includes:

[0022] The first terminal performs beam measurement on the beams in the candidate beam subset and sends the measurement results to the network device; the measurement results include the index value of the first beam that satisfies the first condition and the corresponding measurement result;

[0023] The first condition includes: the first measurement value corresponding to the beam in the candidate beam subset is the largest, or the first measurement value corresponding to the beam is within the sixth range or exceeds the sixth threshold.

[0024] The method in the above scheme further includes:

[0025] The first terminal receives first information transmitted by the network device using a second beam. The first information includes the index value of the second beam, which is determined by the network device based on measurement results transmitted by at least two terminals within the terminal group.

[0026] Secondly, embodiments of the present invention also provide a beam management method, including:

[0027] The network device sends first configuration information to the first terminal, the first configuration information being used to indicate a candidate beam set, the candidate beam set being used for beam measurement by at least two terminals included in the terminal group; the first terminal being any terminal within the terminal group.

[0028] The method in the above scheme further includes:

[0029] The network device sends second configuration information to the first terminal, the second configuration information being used to indicate the subset of candidate beams in the candidate beam set that corresponds to the first terminal.

[0030] In the above scheme, the second configuration information includes the index value corresponding to each beam in the candidate beam subset.

[0031] In the above scheme, the second configuration information includes a first parameter, a second parameter, and a first index value. The first parameter is used to indicate that the candidate beam subset is determined by the first terminal, the second parameter is used to indicate the determination rule of the candidate beam subset, and the first index value is used to indicate the candidate beam subset corresponding to the first terminal.

[0032] In the above scheme, the candidate beam subset corresponding to each terminal in the terminal group constitutes the candidate beam set.

[0033] In the above scheme, the terminal group satisfies at least one of the following conditions:

[0034] The distance between each terminal in the terminal group is within a first range or does not exceed a first threshold.

[0035] The beam arrival angle of each terminal in the terminal group is within the second range or does not exceed the second threshold.

[0036] The difference in the index values ​​of the optimal transmission beams corresponding to each terminal in the terminal group is within the third range or does not exceed the third threshold.

[0037] The signal quality measured by each terminal in the terminal group is within the fourth range or does not exceed the fourth threshold.

[0038] The channel quality information corresponding to each terminal in the terminal group is within the fifth range or does not exceed the fifth threshold; the channel quality information includes at least one of the following: CQI, precoding matrix index, and MCS index.

[0039] The method in the above scheme further includes:

[0040] The network device receives the measurement results of the first terminal performing beam measurement on the beams in the candidate beam subset; the measurement results include the index value of the first beam that satisfies the first condition and the corresponding measurement result;

[0041] The first condition includes: the first measurement value corresponding to the beam in the candidate beam subset is the largest, or the first measurement value corresponding to the beam is within the sixth range or exceeds the sixth threshold.

[0042] The method in the above scheme further includes:

[0043] The network device determines a second beam that satisfies the second condition based on the measurement results sent by at least two terminals in the terminal group.

[0044] The network device uses the second beam to send first information to the first terminal, the first information including the index value of the second beam;

[0045] The second condition includes: the first measurement value corresponding to the first beam is the largest, or the first measurement value corresponding to the first beam is within the seventh range or exceeds the seventh threshold.

[0046] Thirdly, embodiments of the present invention also provide a beam management device, the device being applied to a first terminal, comprising:

[0047] The first communication module is used to receive first configuration information sent by the network device. The first configuration information is used to indicate a candidate beam set. The candidate beam set is used for beam measurement by at least two terminals included in the terminal group. The first terminal is any terminal in the terminal group.

[0048] The first processing module is used to determine the candidate beam set based on the first configuration information received by the first communication module.

[0049] In the above scheme, the first communication module is further configured to receive second configuration information sent by the network device, the second configuration information being used to indicate the candidate beam subset corresponding to the first terminal in the candidate beam set;

[0050] The first processing module is further configured to determine the candidate beam subset based on the second configuration information.

[0051] In the above scheme, the second configuration information includes the index value corresponding to each beam in the candidate beam subset.

[0052] In the above scheme, the second configuration information includes a first parameter, a second parameter, and a first index value. The first parameter is used to indicate that the candidate beam subset is determined by the first terminal, the second parameter is used to indicate the determination rule of the candidate beam subset, and the first index value is used to indicate the candidate beam subset corresponding to the first terminal.

[0053] In the above scheme, the candidate beam subset corresponding to each terminal in the terminal group constitutes the candidate beam set.

[0054] In the above scheme, the terminal group satisfies at least one of the following conditions:

[0055] The distance between each terminal in the terminal group is within a first range or does not exceed a first threshold.

[0056] The beam arrival angle of each terminal in the terminal group is within the second range or does not exceed the second threshold.

[0057] The difference in the index values ​​of the optimal transmission beams corresponding to each terminal in the terminal group is within the third range or does not exceed the third threshold.

[0058] The signal quality measured by each terminal in the terminal group is within the fourth range or does not exceed the fourth threshold.

[0059] The channel quality information corresponding to each terminal in the terminal group is within the fifth range or does not exceed the fifth threshold; the channel quality information includes at least one of the following: CQI, precoding matrix index, and MCS index.

[0060] In the above scheme, the first processing module is further configured to perform beam measurement on the beams in the candidate beam subset and send the measurement results to the network device; the measurement results include the index value of the first beam that satisfies the first condition and the corresponding measurement results;

[0061] The first condition includes: the first measurement value corresponding to the beam in the candidate beam subset is the largest, or the first measurement value corresponding to the beam is within the sixth range or exceeds the sixth threshold.

[0062] In the above scheme, the first communication module is further configured to receive first information transmitted by the network device using the second beam, the first information including the index value of the second beam, the second beam being determined by the network device based on the measurement results transmitted by at least two terminals in the terminal group.

[0063] Fourthly, embodiments of the present invention also provide a beam management device, the device being applied to a network device, comprising:

[0064] The second communication module is used to send first configuration information to the first terminal. The first configuration information is used to indicate a candidate beam set. The candidate beam set is used for beam measurement by at least two terminals included in the terminal group. The first terminal is any terminal in the terminal group.

[0065] In the above scheme, the second communication module is further configured to send second configuration information to the first terminal, the second configuration information being used to indicate the candidate beam subset corresponding to the first terminal in the candidate beam set.

[0066] In the above scheme, the second configuration information includes the index value corresponding to each beam in the candidate beam subset.

[0067] In the above scheme, the second configuration information includes a first parameter, a second parameter, and a first index value. The first parameter is used to indicate that the candidate beam subset is determined by the first terminal, the second parameter is used to indicate the determination rule of the candidate beam subset, and the first index value is used to indicate the candidate beam subset corresponding to the first terminal.

[0068] In the above scheme, the candidate beam subset corresponding to each terminal in the terminal group constitutes the candidate beam set.

[0069] In the above scheme, the terminal group satisfies at least one of the following conditions:

[0070] The distance between each terminal in the terminal group is within a first range or does not exceed a first threshold.

[0071] The beam arrival angle of each terminal in the terminal group is within the second range or does not exceed the second threshold.

[0072] The difference in the index values ​​of the optimal transmission beams corresponding to each terminal in the terminal group is within the third range or does not exceed the third threshold.

[0073] The signal quality measured by each terminal in the terminal group is within the fourth range or does not exceed the fourth threshold.

[0074] The channel quality information corresponding to each terminal in the terminal group is within the fifth range or does not exceed the fifth threshold; the channel quality information includes at least one of the following: CQI, precoding matrix index, and MCS index.

[0075] In the above scheme, the second communication module is further configured to receive the measurement results of the first terminal performing beam measurement on the beams in the candidate beam subset; the measurement results include the index value of the first beam that satisfies the first condition and the corresponding measurement results;

[0076] The first condition includes: the first measurement value corresponding to the beam in the candidate beam subset is the largest, or the first measurement value corresponding to the beam is within the sixth range or exceeds the sixth threshold.

[0077] In the above scheme, the device further includes:

[0078] The second processing module is used to determine a second beam that satisfies the second condition based on the measurement results sent by at least two terminals in the terminal group received by the second communication module.

[0079] The second communication module is further configured to send first information to the first terminal using the second beam determined by the second processing module, wherein the first information includes the index value of the second beam;

[0080] The second condition includes: the first measurement value corresponding to the first beam is the largest, or the first measurement value corresponding to the first beam is within the seventh range or exceeds the seventh threshold.

[0081] Fifthly, embodiments of the present invention also provide a terminal, including: a processor and a memory for storing a computer program capable of running on the processor, wherein when the processor runs the computer program, it executes the steps of the aforementioned beam management method with the first terminal as the execution subject.

[0082] In a sixth aspect, embodiments of the present invention also provide a network device, including a processor and a memory for storing a computer program capable of running on the processor, wherein when the processor runs the computer program, it executes the steps of the aforementioned beam management method for network devices.

[0083] In a seventh aspect, embodiments of the present invention also provide a computer-readable storage medium having a computer program stored thereon, wherein when the computer program is executed by a processor, it implements the steps of the aforementioned beam management method with a first terminal as the execution subject; or, when the computer program is executed by a processor, it implements the steps of the aforementioned beam management method with a network device as the execution subject.

[0084] This invention provides a beam management method, apparatus, terminal, network device, and readable storage medium. Beam management is performed on a terminal group basis. Each terminal only needs to measure the beams included in the candidate beam set corresponding to its terminal group, which reduces the number of beams that the terminal needs to measure during the candidate beam identification process, reduces the power consumption of the terminal in beam measurement, and can also ensure the accuracy of beam measurement. Attached Figure Description

[0085] Figure 1 This is a flowchart illustrating the beam management method according to an embodiment of the present invention. Figure 1 ;

[0086] Figure 2 This is a flowchart illustrating the beam management method according to an embodiment of the present invention. Figure 2 ;

[0087] Figure 3 This is a flowchart illustrating the beam management method according to an embodiment of the present invention. Figure 3 ;

[0088] Figure 4 This is a flowchart illustrating the beam management method according to an embodiment of the present invention. Figure 4 ;

[0089] Figure 5 This is a flowchart illustrating the beam management method according to an embodiment of the present invention. Figure 5 ;

[0090] Figure 6 This is a flowchart illustrating the beam management method according to an embodiment of the present invention. Figure 6 ;

[0091] Figure 7 This is a flowchart illustrating the application of the beam management method of this invention to the BFR process according to an embodiment of the invention.

[0092] Figure 8 This is a schematic diagram of the composition structure of the beam management device according to an embodiment of the present invention. Figure 1 ;

[0093] Figure 9 This is a schematic diagram of the composition structure of the beam management device according to an embodiment of the present invention. Figure 2 ;

[0094] Figure 10 This is a schematic diagram of the composition structure of the beam management device according to an embodiment of the present invention. Figure 3 ;

[0095] Figure 11 This is a schematic diagram of the hardware structure of the terminal according to an embodiment of the present invention;

[0096] Figure 12 This is a schematic diagram of the hardware structure of a network device according to an embodiment of the present invention. Detailed Implementation

[0097] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0098] This invention provides a beam management method. Figure 1 This is a flowchart illustrating the beam management method according to an embodiment of the present invention. Figure 1 ,like Figure 1 As shown, the method includes:

[0099] Step 101: The first terminal receives first configuration information sent by the network device. The first configuration information is used to indicate a candidate beam set. The candidate beam set is used for beam measurement by at least two terminals included in the terminal group. The first terminal is any terminal in the terminal group.

[0100] Step 102: The first terminal determines the candidate beam set based on the first configuration information.

[0101] It should be noted that the terminal involved in the embodiments of this invention can also be called a terminal device, user equipment, mobile station, mobile terminal, etc., which is a device that provides voice and / or data connectivity to users. For example, the terminal can be a smartphone, tablet computer, wearable device, or vehicle-mounted device, etc. It should be understood that the embodiments of this invention do not limit the specific technology or specific device form adopted by the terminal. The network device involved in the embodiments of this invention can also be called a wireless access network device. The wireless access network device can be a base station, evolved base station, home base station, access point, wireless relay node, wireless backhaul node, transmission point, or transmit / receive point in a WiFi (wireless fidelity) system, etc., and can also be a gNB in ​​an NR (New Radio) system, or it can be a component or part of a base station, etc. It should be understood that the embodiments of this invention do not limit the specific technology or specific device form adopted by the network device. In this invention, the network device can provide communication coverage for a specific geographical area and can communicate with terminals located within that coverage area (cell).

[0102] The beam management method of this embodiment can be applied to the process of a terminal switching to a new beam, or to the process of identifying candidate beams for recovery after a terminal beam failure. The execution subject of this method is a first terminal, which is any terminal within a terminal group, and the terminal group includes at least two terminals. It can be understood that this embodiment groups the terminals in the communication network and assigns a corresponding candidate beam set to each group. The network device sends configuration information to all terminals within the same terminal group to indicate the candidate beam set corresponding to that terminal group, so that all terminals within that terminal group perform beam measurements based on that candidate beam set.

[0103] Optionally, the first configuration information may include the index value corresponding to each beam in the candidate beam set. For example, for the first terminal in the i-th terminal group, the first configuration information may include the index value B corresponding to each beam in the candidate beam set corresponding to the i-th terminal group. i ={b1,…,b N}, where N represents the number of beams in the candidate beam set corresponding to the i-th terminal group, b1,…,b N These represent the index values ​​corresponding to each beam in the candidate beam set corresponding to the i-th terminal group. Alternatively, the first configuration information may also include the number of beams included in the candidate beam set and the index value corresponding to the first beam in the candidate beam set. For example, the first configuration information may include the number of beams N and the index value b1 of the first beam.

[0104] In this embodiment, the candidate beam set includes multiple beams. Beam measurement by at least two terminals in the terminal group can include: both terminals measuring the multiple beams in the candidate beam set, or each terminal measuring different beams in the candidate beam set. That is, after the first terminal determines the candidate beam set based on the first configuration information, the method further includes: the first terminal measuring all beams in the candidate beam set, or the first terminal measuring a portion of the beams in the candidate beam set.

[0105] In this embodiment of the invention, beam management is performed on a terminal group basis. The terminal only needs to measure the beams included in the candidate beam set corresponding to its terminal group, which reduces the number of beams that the terminal needs to measure during the candidate beam identification process, reduces the power consumption of the terminal in beam measurement, and at the same time ensures the accuracy of beam measurement.

[0106] In one embodiment, the terminal group satisfies at least one of the following conditions: the distance between each terminal in the terminal group is within a first range or does not exceed a first threshold; the beam arrival angle of each terminal in the terminal group is within a second range or does not exceed a second threshold; the difference in the index values ​​of the optimal transmit beams corresponding to each terminal in the terminal group is within a third range or does not exceed a third threshold; the signal quality measured by each terminal in the terminal group is within a fourth range or does not exceed a fourth threshold; and the channel quality information corresponding to each terminal in the terminal group is within a fifth range or does not exceed a fifth threshold, wherein the channel quality information includes at least one of the following: CQI, precoding matrix index, and MCS index.

[0107] For example, the signal quality measured by each terminal may include one of the following: Reference Signal Receive Power (RSRP) and Signal to Interference Plus Noise Ratio (SINR).

[0108] The distance between terminals can be obtained in the following ways: each terminal establishes a Bluetooth connection and measures the distance through the Bluetooth link; or each terminal establishes a D2D connection and measures the distance through the D2D link; or each terminal measures the distance through a set distance sensor, for example, the distance sensor includes a microelectromechanical gyroscope, and the distance is measured based on inertial navigation assisted by microelectromechanical gyroscope satellite navigation; or the distance between terminals is determined according to the positioning information corresponding to each terminal.

[0109] The terminal can obtain the corresponding channel quality information in the following ways: the terminal performs downlink channel estimation based on the downlink reference signal to determine the corresponding CQI; or, the terminal performs uplink channel estimation based on the uplink reference signal to determine the corresponding precoding matrix index; or, the terminal performs uplink channel estimation to calculate the uplink channel signal-to-noise ratio (SNR) and determine the corresponding MCS index. The downlink reference signal can be a Channel State Information-Reference Signal (CSI-RS), and the uplink reference signal can be an uplink Sounding Reference Signal (SRS). It can be understood that similar CQI, identical precoding matrices, and similar or identical SNR or MCS indices all indicate that the terminal's corresponding channel state is similar, thus allowing for the grouping of terminals.

[0110] In this embodiment, the network device obtains one or more of the following information: location information of each terminal in the cell, beam angle of arrival, index value of the best transmission beam, signal quality, or channel quality information. Based on the obtained information, the terminals in the cell are divided into different terminal groups, and a corresponding candidate beam set is configured for each terminal group. This can ensure the accuracy of beam measurement by multiple terminals in the group working together.

[0111] This invention also provides a beam management method, in which a first terminal is the executing entity. Figure 2 This is a flowchart illustrating the beam management method according to an embodiment of the present invention. Figure 2 ,like Figure 2 As shown, the method includes:

[0112] Step 201: The first terminal receives first configuration information sent by the network device. The first configuration information is used to indicate a candidate beam set. The candidate beam set is used for beam measurement by at least two terminals included in the terminal group. The first terminal is any terminal in the terminal group.

[0113] Step 202: The first terminal determines the candidate beam set based on the first configuration information;

[0114] Step 203: The first terminal receives second configuration information sent by the network device, the second configuration information being used to indicate the candidate beam subset corresponding to the first terminal in the candidate beam set;

[0115] Step 204: The first terminal determines the candidate beam subset based on the second configuration information.

[0116] For a detailed description of steps 201 to 202 in this embodiment, please refer to the detailed description of steps 101 to 102 in the previous embodiment. To save space, they will not be repeated here.

[0117] In step 203, the first terminal also receives second configuration information sent by the network device. Based on the second configuration information, a subset of candidate beams corresponding to the first terminal can be determined from the candidate beam set, and beam measurement is performed based on the beams in the candidate beam subset. It can be understood that for any terminal within the terminal group, the candidate beam set corresponding to the terminal group to which the terminal belongs is first obtained according to the first configuration information, and then the subset of candidate beams corresponding to the terminal in the candidate beam set is obtained according to the second configuration information. Thus, each terminal within the terminal group measures the beams in its respective candidate beam subset, collaboratively completing candidate beam identification.

[0118] In one embodiment, the candidate beam subsets corresponding to each terminal within the terminal group constitute the candidate beam set. When there are a large number of terminals, the candidate beam subsets corresponding to each terminal will be much smaller than the candidate beam set. Therefore, the power consumption generated by the terminal measuring the candidate beam subset is much less than the power consumption generated by directly measuring the entire candidate beam set, which can further effectively reduce the terminal power consumption.

[0119] In one implementation, the second configuration information includes the index value corresponding to each beam in the candidate beam subset. In this embodiment, based on the second configuration information, the first terminal can directly obtain the beams in the corresponding candidate beam subset. That is, in this case, the network device directly configures the corresponding candidate beam subset for each terminal in the terminal group. Optionally, when at least one terminal in the terminal group experiences beam failure recovery, each terminal in the terminal group receives the second configuration information corresponding to each terminal sent by the network device. The second configuration information includes the index value of each beam in the candidate beam subset that the corresponding terminal needs to measure. Thus, all terminals in the terminal group cooperate to complete the measurement of the beams in the candidate beam set.

[0120] For example, for the j-th terminal in the i-th terminal group, the first configuration information sent by the network device is received. The first configuration information includes the index value B of each beam in the candidate beam set corresponding to the i-th terminal group. i ={b1,…,b N}, where N represents the number of beams in the candidate beam set, b1,…,b N These represent the index values ​​corresponding to each beam in the candidate beam set; the second configuration information sent by the network device includes the index values ​​B of each beam in the candidate beam subset corresponding to the j-th terminal. ij ,in,

[0121] In another implementation, in step 203, the second configuration information includes a first parameter, a second parameter, and a first index value. The first parameter is used to indicate that the candidate beam subset is determined by the first terminal, the second parameter is used to indicate the determination rule of the candidate beam subset, and the first index value is used to indicate the candidate beam subset corresponding to the first terminal.

[0122] In this embodiment, the second configuration information does not directly indicate the beams in the candidate beam subset corresponding to the first terminal. Instead, the first terminal determines the beams in the corresponding candidate beam subset based on the second configuration information. Specifically, the first parameter indicates that the first terminal needs to determine the candidate beam subset itself. For example, the first parameter can be 1 or 0. When the value is 1, it indicates that the first terminal needs to determine the candidate beam subset. The second parameter indicates the division rule of the candidate beam subset. For example, when the second parameter is L, it can indicate that all beams in the candidate beam set are divided into L equal parts. Or, when the second parameter is M, it can indicate that the corresponding candidate beam subset includes M beams. The first index value indicates the index of the candidate beam subset corresponding to the first terminal in the candidate beam set. It can also be understood as the index value of the first beam in the corresponding candidate beam subset. For example, for candidate beam set B... i={b1,…,b N When the second parameter indicates L equal division and the first index value is I, the index value of each beam in the candidate beam subset corresponding to the first terminal is {b}. I ,b I+1 ,…,b I+N / L}, or, when the second parameter indicates that there are M beams and the first index value is I, the index value of each beam in the candidate beam subset is {b I ,b I+1 ,…,b I+M Therefore, after receiving the second configuration information, the first terminal can determine the beam in its corresponding candidate beam subset based on the second configuration information.

[0123] It should be noted that when the second parameter indicates that L is divided equally, the beam spatial distribution of a single terminal within the terminal group is relatively uniform. When the beam measurement of other terminals within the same terminal group is inaccurate or cannot be performed, the measurement results of a single terminal or some terminals within the terminal group can still be guaranteed to be relatively reliable.

[0124] In this embodiment, the network device does not need to allocate a corresponding candidate beam subset to each terminal, which can reduce the overhead of the network device. Furthermore, each terminal in each terminal group can perform candidate beam measurement in advance based on the second configuration information before switching to a new beam, which reduces latency and improves beam switching efficiency.

[0125] Based on steps 201 to 204 of the foregoing embodiments, this embodiment of the invention also provides a beam management method. Figure 3 This is a flowchart illustrating the beam management method according to an embodiment of the present invention. Figure 3 ,like Figure 4 As shown, after step 204, the method further includes:

[0126] Step 205: The first terminal performs beam measurement on the beams in the candidate beam subset and sends the measurement results to the network device; the measurement results include the index value of the first beam that satisfies the first condition and the corresponding measurement result; wherein, satisfying the first condition includes: the first measurement value corresponding to the beam in the candidate beam subset is the largest, or the first measurement value corresponding to the beam is within the sixth range or exceeds the sixth threshold.

[0127] Step 206: The first terminal receives first information transmitted by the network device using a second beam. The first information includes the index value of the second beam, which is determined by the network device based on measurement results transmitted by at least two terminals within the terminal group.

[0128] In this embodiment, step 205, which involves performing beam measurements on the beams in the candidate beam subset and sending the measurement results to the network device, may include: performing beam measurements on each beam in the candidate beam subset to obtain a first measurement value corresponding to each beam; the first measurement value includes at least one of the following: RSRP, Reference Signal Receiving Quality (RSRQ), and SINR; determining a first beam that satisfies a first condition based on the first measurement values ​​corresponding to all beams in the candidate beam subset; and sending the index value of the first beam and the corresponding first measurement value to the network device.

[0129] For example, when the first condition is that RSRP is the maximum, the first terminal determines a subset of candidate beams based on the second configuration information, measures each beam in the subset of candidate beams to obtain the RSRP corresponding to each beam, selects the beam with the maximum RSRP as the first beam, and sends the index value of the first beam and the RSRP corresponding to the first beam to the network device. Alternatively, when the first condition is that SINR is in the sixth range, the first terminal determines one or more beams whose SINR is in the first range based on the SINR corresponding to each beam in the subset of candidate beams as the first beam, and sends the index values ​​of the one or more beams and their corresponding SINR to the network device.

[0130] In step 206, each terminal in the terminal group receives first information sent by the network device using the second beam, determines the second beam based on the first information, and communicates with the network device based on the second beam to complete the new beam switching. The second beam is determined by the network device based on all measurement results fed back by the terminals in the terminal group. Optionally, the second beam satisfies a second condition, which includes: the first measurement value corresponding to the first beam is the largest, or the first measurement value corresponding to the first beam is within a seventh range or exceeds a seventh threshold.

[0131] It can be understood that each terminal in the terminal group sends its measured first beam to the network device, and the network device selects a second beam that meets the second condition from all the received first beams as the new beam for all terminals in the terminal group. For example, the second beam is the beam with the largest RSRP measured by each terminal in the terminal group.

[0132] This invention also provides a beam management method, in which a network device is the executing entity. Figure 4 This is a flowchart illustrating the beam management method according to an embodiment of the present invention. Figure 4 ,like Figure 4 As shown, the method includes:

[0133] Step 301: The network device sends first configuration information to the first terminal. The first configuration information is used to indicate a candidate beam set. The candidate beam set is used for beam measurement by at least two terminals included in the terminal group. The first terminal is any terminal in the terminal group.

[0134] In this embodiment, the network device sends first configuration information to at least two terminals included in the terminal group, indicating a candidate beam set corresponding to the terminal group, so that the at least two terminals included in the terminal group can measure the beams in the candidate beam set. The first configuration information can be referred to the relevant description in the foregoing embodiments, and will not be repeated here.

[0135] In one embodiment, prior to step 301, the method further includes: a network device receiving second information sent by a first terminal, and determining a terminal group corresponding to the first terminal based on the second information; the second information includes at least one of the following: location information, beam angle of arrival, index value of the optimal transmission beam, signal quality, and channel quality information.

[0136] In this embodiment, the network device determines the terminal group corresponding to the first terminal based on the second information, which may include one of the following:

[0137] Step 300a: Determine the corresponding terminal group based on the location information. For example, the network device obtains the location information of each terminal in the cell and groups them according to the distance between each terminal.

[0138] Step 300b: Determine the corresponding terminal group based on the beam angle of arrival. The network device measures the beam angle of arrival of each terminal, or each terminal measures the beam angle of arrival and feeds it back to the network device. The network device groups the terminals according to the beam angle of arrival of each terminal.

[0139] Step 300c: Determine the corresponding terminal group based on the index value of the optimal transmit beam. The network device determines the optimal receive beam for each terminal based on the beam quality of each terminal's communication, determines the optimal transmit beam based on the optimal receive beam, and groups the terminals according to the index value of the optimal transmit beam.

[0140] Step 300d: Determine the corresponding terminal group based on the signal quality measured by the terminal. The network device groups the terminals according to the RSRP and / or SINR fed back by each terminal.

[0141] Step 300e: Determine the corresponding terminal group based on the terminal's channel quality information. The network device groups the terminals based on the channel estimation results of the uplink reference signal, or based on the channel estimation results of the downlink reference signal fed back by each terminal.

[0142] As an optional implementation, the network device can first identify multiple central terminals, and then divide them into multiple terminal groups based on the relationship between the multiple central terminals and the other terminals in the cell. For example, each terminal in each terminal group and the corresponding central terminal of the terminal group can satisfy the following: the difference between the measurement value of at least one first signal in the first signal set by the terminal in the terminal group and the corresponding measurement value of the central terminal is less than a first threshold value; or, the distance between the terminal in the terminal group and the central terminal is less than a second threshold value; wherein, the first signal set includes a Synchronization Signal / PBCH (SSB) and CSI-RS, and the measurement value can be RSRP, RSRQ or SINR.

[0143] Therefore, in this embodiment, the terminal group satisfies at least one of the following conditions: the distance between each terminal in the terminal group is within a first range or does not exceed a first threshold; the beam arrival angle of each terminal in the terminal group is within a second range or does not exceed a second threshold; the difference in the index values ​​of the optimal transmission beams corresponding to each terminal in the terminal group is within a third range or does not exceed a third threshold; the signal quality measured by each terminal in the terminal group is within a fourth range or does not exceed a fourth threshold; the channel quality information corresponding to each terminal in the terminal group is within a fifth range or does not exceed a fifth threshold; the channel quality information includes at least one of the following: CQI, precoding matrix index, and MCS index.

[0144] This invention also provides a beam management method, in which a network device is the executing entity. Figure 5 This is a flowchart illustrating the beam management method according to an embodiment of the present invention. Figure 5 ,like Figure 5 As shown, the method includes:

[0145] Step 401: The network device sends first configuration information to the first terminal. The first configuration information is used to indicate a candidate beam set. The candidate beam set is used for beam measurement by at least two terminals included in the terminal group. The first terminal is any terminal in the terminal group.

[0146] Step 402: The network device sends second configuration information to the first terminal. The second configuration information is used to indicate the subset of candidate beams in the candidate beam set that corresponds to the first terminal.

[0147] For a detailed explanation of step 401 in this embodiment, please refer to the detailed explanation of step 301 in the foregoing embodiment. To save space, it will not be repeated here.

[0148] In this embodiment, the network device manages eligible terminals as a group for beamforming. First, it assigns a corresponding candidate beam set to different terminal groups. All terminals within a group perform beam measurements based on this candidate beam set. Furthermore, it assigns a corresponding candidate beam subset to each terminal within the same group. Each terminal performs beam measurements based on its respective candidate beam subset. Since the number of beams a single terminal needs to measure is relatively small, this reduces the power consumption of beam measurements performed by a single terminal. Optionally, the candidate beam subsets corresponding to each terminal within the terminal group constitute the candidate beam set.

[0149] Optionally, the network device sends the first configuration information and / or the second configuration information to the first terminal via Radio Resource Control (RRC) signaling or MAC Control Element (MAC CE).

[0150] In one embodiment, the second configuration information includes an index value corresponding to each beam in the candidate beam subset. In another embodiment, the second configuration information includes a first parameter, a second parameter, and a first index value. The first parameter indicates that the candidate beam subset is determined by the first terminal, the second parameter indicates the determination rule for the candidate beam subset, and the first index value indicates the candidate beam subset corresponding to the first terminal. The second configuration information can be referred to the relevant description in the foregoing embodiments, and will not be repeated here.

[0151] Based on steps 401 to 402 of the aforementioned embodiments, this embodiment of the invention also provides a beam management method, the execution subject of which is a network device. Figure 6 This is a flowchart illustrating the beam management method according to an embodiment of the present invention. Figure 6 ,like Figure 6 As stated above, after step 402, the method further includes:

[0152] Step 403: The network device receives the measurement results of the first terminal performing beam measurements on the beams in the candidate beam subset; the measurement results include the index value of the first beam that satisfies the first condition and the corresponding measurement result; wherein, satisfying the first condition includes: the first measurement value corresponding to the beam in the candidate beam subset is the largest, or the first measurement value corresponding to the beam is within a sixth range or exceeds a sixth threshold; the first measurement value includes at least one of the following: RSRP, RSRQ, and SINR;

[0153] Step 404: The network device determines a second beam that satisfies the second condition based on the measurement results sent by at least two terminals in the terminal group; the network device sends first information to the first terminal using the second beam, the first information including the index value of the second beam; wherein, satisfying the second condition includes: the first measurement value corresponding to the first beam is the largest, or the first measurement value corresponding to the first beam is within the seventh range or exceeds the seventh threshold.

[0154] As an optional implementation, in step 404, the network device sends the first information to all terminals in the terminal group via downlink control information (DCI).

[0155] The beam management method of this invention will be described below with reference to specific application scenarios. For example... Figure 7 As shown, applying the technical solution of this invention to the beam failure recovery process used in 5G can include the following steps:

[0156] Step 501: The network device configures a set of Beam Failure Detection Reference Signals (BFD-RS) for the terminal.

[0157] Step 502: The terminal measures the SINR of BFD-RS to obtain the block error rate (BLER) of the downlink physical control channel (PDCCH). If the BLER is lower than a certain threshold, the physical layer reports a beam failure instance (BFI) to the higher layer. When the number of BFIs received by the higher layer within a certain period of time reaches the threshold, the beam failure is determined.

[0158] Step 503: The terminal reports a beam failure indication to the network device.

[0159] Step 504: After receiving at least one beam failure indication from the same terminal group, the network device triggers the BFR of the terminal group and sends the first configuration information and / or the second configuration information to each terminal in the terminal group through RRC signaling or MAC CE, informing each terminal in the terminal group to select a new beam.

[0160] Step 505: The terminal physical layer measures the RSRP of each beam in the candidate beam subset indicated by the second configuration information, and reports the index and RSRP of each beam to the higher layer. The higher layer determines the first beam that meets the first condition based on the RSRP. The first beam includes at least one beam. It should be noted that the start time of step 505 depends on the terminal. It can be started after a beam failure occurs (i.e., as shown in this process), which is beneficial for reducing power consumption but introduces additional latency; or it can be started before a beam failure occurs, that is, each terminal in the terminal group can obtain the first configuration information and / or the second configuration information issued by the network device before step 503. In this case, it is beneficial for reducing latency but will bring additional power consumption.

[0161] Step 506: The terminal sends a Beam Failure Recovery Request (BFRQ) to the network device through the Physical Random Access Channel (PRACH) or the Physical Uplink Control Channel (PUCCH) to notify the network side that a beam failure has occurred and to report the index of the first beam.

[0162] Step 507: The network device determines the second beam that meets the second condition based on the first beam reported by each terminal in the terminal group, and sends the index value of the second beam to all terminals in the terminal group via DCI.

[0163] Step 508: The terminal monitors the BFRQ response on a dedicated set of physical resources (CORESET, control-resource set) for BFR. If it successfully decodes the DCI scrambled with the Cell-Radio Network Temporary Identifier (C-RNTI), then BFR is successful. In subsequent data transmission, the network device can use the second beam corresponding to the terminal group to transmit information to each terminal in the terminal group.

[0164] This invention also provides a beam management device applied to a first terminal. Figure 8 This is a schematic diagram of the composition structure of the beam management device according to an embodiment of the present invention. Figure 1 ,like Figure 8 The beam management device 600 includes:

[0165] The first communication module 601 is used to receive first configuration information sent by the network device. The first configuration information is used to indicate a candidate beam set. The candidate beam set is used for beam measurement by at least two terminals included in the terminal group. The first terminal is any terminal in the terminal group.

[0166] The first processing module 602 is used to determine the candidate beam set based on the first configuration information received by the first communication module 601.

[0167] In an optional embodiment of the present invention, the first communication module 601 is further configured to receive second configuration information sent by the network device, the second configuration information being used to indicate a subset of candidate beams in the candidate beam set corresponding to the first terminal;

[0168] The first processing module 602 is further configured to determine the candidate beam subset based on the second configuration information received by the first communication module 601.

[0169] In an optional embodiment of the present invention, the second configuration information includes the index value corresponding to each beam in the candidate beam subset.

[0170] In an optional embodiment of the present invention, the second configuration information includes a first parameter, a second parameter, and a first index value. The first parameter is used to indicate that the candidate beam subset is determined by the first terminal, the second parameter is used to indicate the determination rule of the candidate beam subset, and the first index value is used to indicate the candidate beam subset corresponding to the first terminal.

[0171] In an optional embodiment of the present invention, the candidate beam subsets corresponding to each terminal in the terminal group constitute the candidate beam set.

[0172] In an optional embodiment of the present invention, the terminal group satisfies at least one of the following conditions:

[0173] The distance between each terminal in the terminal group is within a first range or does not exceed a first threshold.

[0174] The beam arrival angle of each terminal in the terminal group is within the second range or does not exceed the second threshold.

[0175] The difference in the index values ​​of the optimal transmission beams corresponding to each terminal in the terminal group is within the third range or does not exceed the third threshold.

[0176] The signal quality measured by each terminal in the terminal group is within the fourth range or does not exceed the fourth threshold.

[0177] The channel quality of each terminal in the terminal group is within the fifth range or does not exceed the fifth threshold; the channel quality information includes at least one of the following: CQI, precoding matrix index, and MCS index.

[0178] In an optional embodiment of the present invention, the first processing module 602 is further configured to perform beam measurement on the beams in the candidate beam subset and send the measurement results to the network device; the measurement results include the index value of the first beam that satisfies the first condition and the corresponding measurement result; wherein, satisfying the first condition includes: the first measurement value corresponding to the beam in the candidate beam subset is the largest, or the first measurement value corresponding to the beam is within a sixth range or exceeds a sixth threshold; the first measurement value includes at least one of the following: RSRP, RSRQ and SINR.

[0179] In an optional embodiment of the present invention, the first communication module 601 is further configured to receive first information transmitted by the network device using a second beam, the first information including the index value of the second beam, the second beam being determined by the network device based on measurement results transmitted by at least two terminals within the terminal group.

[0180] In this embodiment of the invention, the first processing module 602 in the device 600 can be implemented by a central processing unit (CPU), digital signal processor (DSP), microcontroller unit (MCU), or field-programmable gate array (FPGA) in the device 600 in practical applications; the first communication module 601 in the device 600 can be implemented by a communication module (including: basic communication kit, operating system, communication module, standardized interface and protocol, etc.) and transceiver antenna in practical applications.

[0181] It should be noted that the beam management device provided in the above embodiments is only illustrated by the division of the above-described program modules. In practical applications, the above processing can be assigned to different program modules as needed, that is, the internal structure of the device can be divided into different program modules to complete all or part of the processing described above. In addition, the beam management device provided in the above embodiments and the beam management method embodiment with the first terminal as the execution subject belong to the same concept. The specific implementation process is detailed in the method embodiment, and will not be repeated here.

[0182] This invention also provides a beam management device for use in network equipment. Figure 9 This is a schematic diagram of the composition structure of the beam management device according to an embodiment of the present invention. Figure 2 ,like Figure 9 The beam management device 700 includes:

[0183] The second communication module 701 is used to send first configuration information to the first terminal. The first configuration information is used to indicate a candidate beam set. The candidate beam set is used for beam measurement by at least two terminals included in the terminal group. The first terminal is any terminal in the terminal group.

[0184] In an optional embodiment of the present invention, the second communication module 701 is further configured to send second configuration information to the first terminal, the second configuration information being used to indicate a subset of candidate beams in the candidate beam set corresponding to the first terminal.

[0185] In an optional embodiment of the present invention, the second configuration information includes the index value corresponding to each beam in the candidate beam subset.

[0186] In an optional embodiment of the present invention, the second configuration information includes a first parameter, a second parameter, and a first index value. The first parameter is used to indicate that the candidate beam subset is determined by the first terminal, the second parameter is used to indicate the determination rule of the candidate beam subset, and the first index value is used to indicate the candidate beam subset corresponding to the first terminal.

[0187] In an optional embodiment of the present invention, the candidate beam subsets corresponding to each terminal in the terminal group constitute the candidate beam set.

[0188] In an optional embodiment of the present invention, the terminal group satisfies at least one of the following conditions:

[0189] The distance between each terminal in the terminal group is within a first range or does not exceed a first threshold.

[0190] The beam arrival angle of each terminal in the terminal group is within the second range or does not exceed the second threshold.

[0191] The difference in the index values ​​of the optimal transmission beams corresponding to each terminal in the terminal group is within the third range or does not exceed the third threshold.

[0192] The signal quality measured by each terminal in the terminal group is within the fourth range or does not exceed the fourth threshold.

[0193] The channel quality information corresponding to each terminal in the terminal group is within the fifth range or does not exceed the fifth threshold; the channel quality information includes at least one of the following: CQI, precoding matrix index, and MCS index.

[0194] In an optional embodiment of the present invention, the second communication module 701 is further configured to receive the measurement results of the first terminal performing beam measurement on the beams in the candidate beam subset; the measurement results include the index value of the first beam that satisfies the first condition and the corresponding measurement result; wherein, satisfying the first condition includes: the first measurement value corresponding to the beam in the candidate beam subset is the largest, or the first measurement value corresponding to the beam is within a sixth range or exceeds a sixth threshold; the first measurement value includes at least one of the following: RSRP, RSRQ and SINR.

[0195] In one optional embodiment of the present invention, such as Figure 10 As shown, the device 700 further includes:

[0196] The second processing module 702 is used to determine a second beam that satisfies the second condition based on the measurement results sent by at least two terminals in the terminal group received by the second communication module 701.

[0197] The second communication module 701 is further configured to send first information to the first terminal using the second beam determined by the second processing module 702, wherein the first information includes the index value of the second beam; wherein satisfying the second condition includes: the first measurement value corresponding to the first beam is the largest, or the first measurement value corresponding to the first beam is within a seventh range or exceeds a seventh threshold.

[0198] In this embodiment of the invention, the second processing module 702 in the device 700 can be implemented by the CPU, DSP, MCU or FPGA in the device 700 in practical applications; the second communication module 701 in the device 700 can be implemented by a communication module (including: basic communication kit, operating system, communication module, standardized interface and protocol, etc.) and transceiver antenna in practical applications.

[0199] It should be noted that the beam management device provided in the above embodiments is only illustrated by the division of the above program modules when performing beam management. In actual applications, the above processing can be assigned to different program modules as needed, that is, the internal structure of the device can be divided into different program modules to complete all or part of the processing described above. In addition, the beam management device provided in the above embodiments and the beam management method embodiments with network devices as the execution subject belong to the same concept. The specific implementation process is detailed in the method embodiments and will not be repeated here.

[0200] This invention also provides a terminal. Figure 11This is a schematic diagram of the hardware structure of a terminal according to an embodiment of the present invention. Terminal 800 can be a mobile phone, computer, digital broadcasting terminal, information transceiver, game console, tablet device, medical device, fitness equipment, in-vehicle device, wearable device, personal digital assistant, etc. (Refer to...) Figure 11 Terminal 800 may include one or more of the following components: processing component 801, memory 802, and communication component 803.

[0201] Processing component 801 typically controls the overall operation of terminal 800, including operations associated with display, telephone calls, data communication, and information recording. Processing component 801 may include one or more processors 804 to execute computer programs to complete all or part of the steps of the beam management method with the first terminal as the execution subject. Furthermore, processing component 801 may include one or more modules to facilitate interaction between processing component 801 and other components.

[0202] The memory 802 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof. The non-volatile memory can be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), magnetic random access memory (FRAM), flash memory, magnetic surface memory, optical disc, or compact disc read-only memory (CD-ROM); the magnetic surface memory can be a disk drive or magnetic tape drive. The volatile memory can be random access memory (RAM), which is used as an external cache. By way of example, but not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), SyncLink Dynamic Random Access Memory (SLDRAM), and Direct Rambus Random Access Memory (DRRAM). The memory 802 described in this embodiment is intended to include, but is not limited to, these and any other suitable types of memory.

[0203] The memory 802 is used to store various types of data to support the operation of the terminal 800. Examples of this data include any computer programs used to operate on the terminal 800, such as operating systems and applications. The operating system includes various system programs, such as the framework layer, core library layer, and driver layer, used to implement various basic business functions and handle hardware-based tasks. Applications can include various applications, such as media players and browsers, used to implement various application services. The program implementing the method of the first terminal as the execution subject in this embodiment of the invention can be included in the application program.

[0204] Communication component 803 is used for wired or wireless communication between terminal 800 and other devices. Terminal 800 can access wireless networks based on communication standards, such as WiFi, 4G, or 5G, or combinations thereof. In one exemplary embodiment, communication component 803 receives broadcast signals or broadcast-related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, communication component 803 also includes a Near Field Communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), Bluetooth, or other technologies.

[0205] The method with a first terminal as the execution subject disclosed in the above embodiments of the present invention can be applied to or implemented by the processor 804. The processor 804 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method with a first terminal as the execution subject can be completed by the integrated logic circuit of the hardware in the processor 804 or by instructions in the form of software. The processor 804 may be a general-purpose processor, a DSP, or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The processor 804 can implement or execute the methods, steps, and logic block diagrams of the first terminal as the execution subject disclosed in the embodiments of the present invention. The general-purpose processor may be a microprocessor or any conventional processor, etc. The steps of the method with a first terminal as the execution subject disclosed in the embodiments of the present invention can be directly reflected as being executed by a hardware decoding processor, or being executed by a combination of hardware and software modules in the decoding processor. The software modules may be located in a storage medium, which is located in the memory 802. The processor 804 reads the information in the memory 802 and combines its hardware to complete the steps of the aforementioned method with a first terminal as the execution subject.

[0206] In an exemplary embodiment, terminal 800 may be implemented by one or more application-specific integrated circuits (ASICs), DSPs, programmable logic devices (PLDs), complex programmable logic devices (CPLDs), FPGAs, general-purpose processors, controllers, MCUs, microprocessors, or other electronic components to perform the aforementioned method with the execution subject being the first terminal.

[0207] This invention also provides a network device. Figure 12 This is a schematic diagram of the hardware structure of a network device according to an embodiment of the present invention. Figure 12 The network device 900 shown includes at least one processor 901, a memory 902, and at least one network interface 903. The various components in the network device 900 are coupled together via a bus system 904. It is understood that the bus system 904 is used to implement communication between these components. In addition to a data bus, the bus system 904 also includes a power bus, a control bus, and a status signal bus. However, for clarity, ... Figure 12 The general labeled all buses as Bus System 904.

[0208] The memory 902 in this embodiment of the invention is used to store various types of data to support the operation of the network device 900. Examples of such data include any computer program that operates on the network device 900, such as a program in this embodiment of the invention that executes a method of the network device. Detailed implementation of the memory 902 can be found in the detailed description of the memory 802 in the foregoing embodiments, and will not be repeated here.

[0209] The method for executing a network device disclosed in the above embodiments of the present invention can be applied to or implemented by the processor 901. The processor 901 may be an integrated circuit chip with signal processing capabilities. During implementation, each step of the method for executing a network device can be completed by integrated logic circuits in the hardware or by instructions in software form within the processor 901. The processor 901 may be a general-purpose processor, a DSP, or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The processor 901 can implement or execute the methods, steps, and logic block diagrams disclosed in the embodiments of the present invention for executing a network device. The general-purpose processor may be a microprocessor or any conventional processor, etc. The steps of the method for executing a network device disclosed in the embodiments of the present invention can be directly manifested as execution by a hardware decoding processor, or execution by a combination of hardware and software modules in the decoding processor. The software modules may be located in a storage medium, specifically in memory 902. The processor 8901 reads information from memory 902 and, in conjunction with its hardware, completes the steps of the aforementioned method for executing a network device.

[0210] In an exemplary embodiment, the network device 900 may be implemented by one or more ASICs, DSPs, PLDs, CPLDs, FPGAs, general-purpose processors, controllers, MCUs, microprocessors, or other electronic components to perform the aforementioned method in which the execution subject is a network device.

[0211] In an exemplary embodiment, the present invention also provides a computer-readable storage medium, such as a memory 802 or memory 902 including a computer program, which can be executed by a processor 804 of a terminal 800 or a processor 901 of a network device 900 to complete the steps described in the foregoing method. The computer-readable storage medium can be a memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disc, or CD-ROM; it can also be various devices including one or any combination of the above-mentioned memories, such as mobile phones, computers, tablet devices, personal digital assistants, etc.

[0212] The methods disclosed in the several method embodiments provided in this application can be arbitrarily combined without conflict to obtain new method embodiments.

[0213] The features disclosed in the several product embodiments provided in this application can be arbitrarily combined without conflict to obtain new product embodiments.

[0214] The features disclosed in the several method or device embodiments provided in this application can be arbitrarily combined without conflict to obtain new method or device embodiments.

[0215] In the several embodiments provided in this application, it should be understood that the disclosed devices and methods can be implemented in other ways. The device embodiments described above are merely illustrative. For example, the division of units is only a logical functional division, and in actual implementation, there may be other division methods, such as: multiple units or components can be combined, or integrated into another system, or some features can be ignored or not executed. In addition, the coupling, direct coupling, or communication connection between the various components shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be electrical, mechanical, or other forms.

[0216] The units described above as separate components may or may not be physically separate. The components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of the units may be selected to achieve the purpose of this embodiment according to actual needs.

[0217] In addition, in the various embodiments of the present invention, each functional unit can be integrated into one processing unit, or each unit can be a separate unit, or two or more units can be integrated into one unit; the integrated unit can be implemented in hardware or in the form of hardware plus software functional units.

[0218] Those skilled in the art will understand that all or part of the steps of the above method embodiments can be implemented by hardware related to program instructions. The aforementioned program can be stored in a computer-readable storage medium. When the program is executed, it performs the steps of the above method embodiments. The aforementioned storage medium includes various media that can store program code, such as mobile storage devices, ROM, RAM, magnetic disks, or optical disks.

[0219] Alternatively, if the integrated units of this invention are implemented as software functional modules and sold or used as independent products, they can also be stored in a computer-readable storage medium. Based on this understanding, the technical solutions of the embodiments of this invention, or the parts that contribute to the prior art, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the methods described in the various embodiments of this invention. The aforementioned storage medium includes various media capable of storing program code, such as mobile storage devices, ROM, RAM, magnetic disks, or optical disks.

[0220] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A beam management method, characterized in that, The method includes: The first terminal receives first configuration information sent by the network device. The first configuration information is used to indicate a candidate beam set. The candidate beam set is used for beam measurement by at least two terminals included in the terminal group. The first terminal is any terminal in the terminal group. The first terminal determines the candidate beam set based on the first configuration information; The method further includes: The first terminal receives second configuration information sent by the network device, the second configuration information being used to indicate a subset of candidate beams in the candidate beam set corresponding to the first terminal; The first terminal determines the candidate beam subset based on the second configuration information.

2. The method according to claim 1, characterized in that, The second configuration information includes the index value corresponding to each beam in the candidate beam subset.

3. The method according to claim 1, characterized in that, The second configuration information includes a first parameter, a second parameter, and a first index value. The first parameter is used to indicate that the candidate beam subset is determined by the first terminal. The second parameter is used to indicate the determination rule of the candidate beam subset. The first index value is used to indicate the candidate beam subset corresponding to the first terminal.

4. The method according to claim 1, characterized in that, The candidate beam set is composed of the candidate beam subset corresponding to each terminal in the terminal group.

5. The method according to claim 1, characterized in that, The terminal group satisfies at least one of the following conditions: The distance between each terminal in the terminal group is within a first range or does not exceed a first threshold. The beam arrival angle of each terminal in the terminal group is within the second range or does not exceed the second threshold. The difference in the index values ​​of the optimal transmission beams corresponding to each terminal in the terminal group is within the third range or does not exceed the third threshold. The signal quality measured by each terminal in the terminal group is within the fourth range or does not exceed the fourth threshold. The channel quality information corresponding to each terminal in the terminal group is within the fifth range or does not exceed the fifth threshold; the channel quality information includes at least one of the following: channel quality indicator (CQI), precoding matrix index, and modulation and coding scheme (MCS) index.

6. The method according to any one of claims 1 to 4, characterized in that, The method further includes: The first terminal performs beam measurement on the beams in the candidate beam subset and sends the measurement results to the network device; the measurement results include the index value of the first beam that satisfies the first condition and the corresponding measurement result; The first condition includes: the first measurement value corresponding to the beam in the candidate beam subset is the largest, or the first measurement value corresponding to the beam is within the sixth range or exceeds the sixth threshold.

7. The method according to claim 6, characterized in that, The method further includes: The first terminal receives first information transmitted by the network device using a second beam. The first information includes the index value of the second beam, which is determined by the network device based on measurement results transmitted by at least two terminals within the terminal group.

8. A beam management method, characterized in that, The method includes: The network device sends first configuration information to the first terminal, the first configuration information being used to indicate a candidate beam set, the candidate beam set being used for beam measurement by at least two terminals included in the terminal group; the first terminal is any terminal within the terminal group; The method further includes: The network device sends second configuration information to the first terminal, the second configuration information being used to indicate the subset of candidate beams in the candidate beam set that corresponds to the first terminal.

9. The method according to claim 8, characterized in that, The second configuration information includes the index value corresponding to each beam in the candidate beam subset.

10. The method according to claim 8, characterized in that, The second configuration information includes a first parameter, a second parameter, and a first index value. The first parameter is used to indicate that the candidate beam subset is determined by the first terminal. The second parameter is used to indicate the determination rule of the candidate beam subset. The first index value is used to indicate the candidate beam subset corresponding to the first terminal.

11. The method according to claim 8, characterized in that, The candidate beam set is composed of the candidate beam subset corresponding to each terminal in the terminal group.

12. The method according to claim 8, characterized in that, The terminal group satisfies at least one of the following conditions: The distance between each terminal in the terminal group is within a first range or does not exceed a first threshold. The beam arrival angle of each terminal in the terminal group is within the second range or does not exceed the second threshold. The difference in the index values ​​of the optimal transmission beams corresponding to each terminal in the terminal group is within the third range or does not exceed the third threshold. The signal quality measured by each terminal in the terminal group is within the fourth range or does not exceed the fourth threshold. The channel quality information corresponding to each terminal in the terminal group is within the fifth range or does not exceed the fifth threshold; the channel quality information includes at least one of the following: CQI, precoding matrix index, and MCS index.

13. The method according to any one of claims 8 to 11, characterized in that, The method further includes: The network device receives the measurement results of the first terminal performing beam measurement on the beams in the candidate beam subset; the measurement results include the index value of the first beam that satisfies the first condition and the corresponding measurement result; The first condition includes: the first measurement value corresponding to the beam in the candidate beam subset is the largest, or the first measurement value corresponding to the beam is within the sixth range or exceeds the sixth threshold.

14. The method according to claim 13, characterized in that, The method further includes: The network device determines a second beam that satisfies the second condition based on the measurement results sent by at least two terminals in the terminal group. The network device uses the second beam to send first information to the first terminal, the first information including the index value of the second beam; The second condition includes: the first measurement value corresponding to the first beam is the largest, or the first measurement value corresponding to the first beam is within the seventh range or exceeds the seventh threshold.

15. A beam management device, characterized in that, The device is applied to a first terminal and includes: The first communication module is used to receive first configuration information sent by the network device. The first configuration information is used to indicate a candidate beam set. The candidate beam set is used for beam measurement by at least two terminals included in the terminal group. The first terminal is any terminal in the terminal group. And a first processing module, used to determine the candidate beam set based on the first configuration information received by the first communication module; The first communication module is further configured to receive second configuration information sent by the network device, the second configuration information being used to indicate a subset of candidate beams in the candidate beam set corresponding to the first terminal; The first processing module is further configured to determine the candidate beam subset based on the second configuration information received by the first communication module.

16. A beam management device, characterized in that, The device is applied to network equipment and includes: The second communication module is used to send first configuration information to the first terminal. The first configuration information is used to indicate a candidate beam set. The candidate beam set is used for beam measurement by at least two terminals included in the terminal group. The first terminal is any terminal in the terminal group. The second communication module is further configured to send second configuration information to the first terminal, the second configuration information being used to indicate a subset of candidate beams in the candidate beam set corresponding to the first terminal.

17. A terminal, characterized in that, include: A processor and a memory for storing a computer program capable of running on the processor, wherein the processor, when running the computer program, performs the steps of the method according to any one of claims 1 to 7.

18. A network device, characterized in that, It includes a processor and a memory for storing a computer program capable of running on the processor, wherein, when the processor is used to run the computer program, it performs the steps of the method according to any one of claims 8 to 14.

19. A computer-readable storage medium having a computer program stored thereon, characterized in that, When executed by a processor, the computer program implements the steps of the method according to any one of claims 1 to 7; or, when executed by a processor, the computer program implements the steps of the method according to any one of claims 8 to 14.

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