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US 12,445,183 B2Granted
Communication method and device
AssigneeHuawei Technologies Co., Ltd.
InventorsXiang Gao, Kunpeng Liu, Ruiqi Zhang
Life of this patent
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Abstract
Examples of communication methods and devices are described. In one example method, configuration information indicating one or more spatial domain beam basis vector groups and Q thresholds is received from a network device, where the Q thresholds correspond one-to-one to spatial domain beam basis vectors in the one or more spatial domain beam basis vector groups. L spatial domain beam basis vectors are selected from a spatial domain beam basis vector group set. K frequency domain basis vectors are selected from a frequency domain basis vector set for each of the L spatial domain beam basis vectors.
Claims20
A method for communication, comprising:
- sending configuration information to a terminal device, wherein the configuration information indicates one or more space domain beam basis vector groups and Q thresholds, and the Q thresholds correspond one-to-one to space domain beam basis vectors in the one or more space domain beam basis vector groups;
- and
- receiving amplitudes and phases of space-frequency combination coefficients in M space-frequency combination coefficient vectors from the terminal device, wherein the M space-frequency combination coefficient vectors are determined based on L space domain beam basis vectors, K frequency domain basis vectors corresponding to each of the L space domain beam basis vectors, and a target precoding vector, and wherein:
- the L space domain beam basis vectors are selected from a space domain beam basis vector group set, the K frequency domain basis vectors are selected from a frequency domain basis vector set,
- one space-frequency combination coefficient vector corresponds to one space domain beam basis vector, the space-frequency combination coefficient vector corresponding to the space domain beam basis vector satisfies a restriction rule, and the restriction rule is associated with a threshold corresponding to the space domain beam basis vector.
2 more elements
An apparatus for communications, comprising:
- one or more processors;
- one or more memories;
- and
- a transceiver, wherein:
- the one or more memories store programming instructions for execution by the one or more processors to:
- control the transceiver to send configuration information to a terminal device, wherein the configuration information indicates one or more space domain beam basis vector groups and Q thresholds, and the Q thresholds correspond one-to-one to space domain beam basis vectors in the one or more space domain beam basis vector groups;
- and
- control the transceiver to receive amplitudes and phases of space-frequency combination coefficients in M space-frequency combination coefficient vectors from the terminal device, wherein the M space-frequency combination coefficient vectors are determined based on L space domain beam basis vectors, K frequency domain basis vectors corresponding to each of the L space domain beam basis vectors, and a target precoding vector, and wherein:
- the L space domain beam basis vectors are selected from a space domain beam basis vector group set, the K frequency domain basis vectors are selected from a frequency domain basis vector set,
- one space-frequency combination coefficient vector corresponds to one space domain beam basis vector, the space-frequency combination coefficient vector corresponding to the space domain beam basis vector satisfies a restriction rule, and the restriction rule is associated with a threshold corresponding to the space domain beam basis vector.
7 more elements
A non-transitory computer-readable storage medium, wherein the non-transitory computer-readable storage medium stores a program for execution by at least one processor to:
- send configuration information, wherein the configuration information indicates one or more space domain beam basis vector groups and Q thresholds, and the Q thresholds correspond one-to-one to space domain beam basis vectors in the one or more space domain beam basis vector groups;
- and
- receive amplitudes and phases of space-frequency combination coefficients in M space-frequency combination coefficient vectors, wherein the M space-frequency combination coefficient vectors are determined based on L space domain beam basis vectors, K frequency domain basis vectors corresponding to each of the L space domain beam basis vectors, and a target precoding vector, and wherein:
- the L space domain beam basis vectors are selected from a space domain beam basis vector group set, the K frequency domain basis vectors are selected from a frequency domain basis vector set,
- one space-frequency combination coefficient vector corresponds to one space domain beam basis vector, the space-frequency combination coefficient vector corresponding to the space domain beam basis vector satisfies a restriction rule, and the restriction rule is associated with a threshold corresponding to the space domain beam basis vector.
2 more elements
Dependencies are inferred from the claim text.