Beamforming training method, receiving device, and sending device

Patent metadata

Field	Value
Publication number	US-11070263-B2
Application number	US-201916430730-A
Country	US
Kind code	B2
Filing date	Jun 4, 2019
Priority date	Jul 6, 2017
Publication date	Jul 20, 2021
Grant date	Jul 20, 2021

Abstract

This application provides example beamforming (BF) training methods, receiving devices, and sending devices. One example method includes performing BF training on at least one channel with a first device based on BF training request information, where the BF training request information includes antenna configuration information of the BF training and channel configuration information of the at least one channel. First feedback information sent by the first device is received, where the first feedback information includes a measurement result of the BF training, information about an antenna corresponding to the measurement result, beam information of the antenna, and channel information corresponding to the antenna. At least one of an optimal antenna configuration or digital domain BF precoding information on the at least one channel is determined based on the first feedback information.

First claim

What is claimed is:

1. A beamforming (BF) training method, comprising:
after BF training request information is generated in a BF training establishment phase, performing BF training on at least one channel with a first device based on the BF training request information, wherein the BF training request information comprises antenna configuration information of the BF training and channel configuration information of the at least one channel, wherein the channel configuration information comprises at least one of:
information about a channel bonding manner or a channel aggregation manner used by a BF training sequence; or
number information of a channel for performing the BF training for each antenna;
receiving first feedback information sent by the first device, wherein the first feedback information comprises a measurement result of the BF training, and
a channel number for performing the BF training for a transmit antenna, wherein the measurement result of the BF training comprises a number of an antenna corresponding to the measurement result of the BF training and a beam number of the transmit antenna corresponding to the measurement result of the BF training; and
determining at least one of an optimal antenna configuration or digital domain BF precoding information on the at least one channel based on the first feedback information.

2. The method according to claim 1 , wherein, before the receiving first feedback information, the method further comprises:
receiving second feedback information, wherein the second feedback information comprises a measurement result obtained when the BF training needs to be performed on a plurality of channels for each antenna and corresponding to a channel on which the BF training has been completed.

3. A beamforming (BF) training method, comprising:
after BF training request information is generated in a BF training establishment phase, performing BF training on at least one channel with a second device based on the BF training request information, wherein the BF training request information comprises antenna configuration information of the BF training and channel configuration information of the at least one channel, and wherein the channel configuration information comprises at least one of:
information about a channel bonding manner or a channel aggregation manner used by a BF training sequence; or
number information of a channel for performing the BF training for each antenna;
determining first feedback information, wherein the first feedback information comprises a measurement result of the BF training,
and a channel number for performing the BF training for a transmit antenna, wherein the measurement result of the BF training comprises a number of an antenna corresponding to the measurement result of the BF training and a beam number of the transmit antenna corresponding to the measurement result of the BF training; and
sending the first feedback information to the second device.

4. The method according to claim 3 , wherein, before the sending the first feedback information to the second device, the method further comprises:
determining second feedback information, wherein the second feedback information comprises a measurement result obtained when the BF training needs to be performed on a plurality of channels for each antenna and corresponding to a channel on which the BF training has been completed; and
sending the second feedback information to the second device.

5. A receiving device, comprising at least one processor, a transceiver, and a non-transitory memory, wherein the memory is configured to store an instruction, and the at least one processor is configured to execute the instruction stored in the memory to control the transceiver to receive or send a signal, wherein:
the at least one processor is configured to:
after BF training request information is generated in a BF training establishment phase, perform beamforming (BF) training on at least one channel with a first device based on the BF training request information, wherein the BF training request information comprises antenna configuration information of the BF training and channel configuration information of the at least one channel, and wherein the channel configuration information comprises at least one of:
information about a channel bonding manner or a channel aggregation manner used by a BF training sequence; or
number information of a channel for performing the BF training for each antenna;
the transceiver is configured to receive first feedback information sent by the first device, wherein the first feedback information comprises a measurement result of the BF training, and
a channel number for performing the BF training for a transmit antenna, wherein the measurement result of the BF training comprises a number of an antenna corresponding to the measurement result of the BF training and a beam number of the transmit antenna corresponding to the measurement result of the BF training; and
the at least one processor is configured to determine at least one of an optimal antenna configuration or digital domain BF precoding information on the at least one channel based on the first feedback information.

6. The receiving device according to claim 5 , wherein, before the transceiver receives the first feedback information, the transceiver is configured to receive second feedback information, wherein the second feedback information comprises a measurement result obtained when the BF training needs to be performed on a plurality of channels for each antenna and corresponding to a channel on which the BF training has been completed.

7. A sending device, comprising at least one processor, a transceiver, and a non-transitory memory, wherein the memory is configured to store an instruction, and the at least one processor is configured to execute the instruction stored in the memory to control the transceiver to receive or send a signal, wherein:
the at least one processor is configured to:
after BF training request information is generated in a BF training establishment phase, perform beamforming (BF) training on at least one channel with a second device based on the BF training request information, wherein the BF training request information comprises antenna configuration information of the BF training and channel configuration information of the at least one channel, and wherein the channel configuration information comprises at least one of:
information about a channel bonding manner or a channel aggregation manner used by a BF training sequence; or
number information of a channel for performing the BF training for each antenna; and determine first feedback information, wherein the first feedback information comprises a measurement result of the BF training, and
a channel number for performing the BF training for a transmit antenna, wherein the measurement result of the BF training comprises a number of an antenna corresponding to the measurement result of the BF training and a beam number of the transmit antenna corresponding to the measurement result of the BF training; and
the transceiver is configured to send the first feedback information to the second device.

8. The sending device according to claim 7 , wherein, before the transceiver sends the first feedback information to the second device, the at least one processor is configured to determine second feedback information, wherein the second feedback information comprises a measurement result obtained when the BF training needs to be performed on a plurality of channels for each antenna and corresponding to a channel on which the BF training has been completed; and
the transceiver is configured to send the second feedback information to the second device.

Assignees

• Huawei Tech Co Ltd

Inventors

• Li Dejian
• Liu Jinnan

Classifications

• H04B7/06952

  Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping · CPC title

• H04B7/0634 Primary

  Antenna weights or vector/matrix coefficients · CPC title

• H04B7/088

  using beam selection · CPC title

• H04B7/0632

  Channel quality parameters, e.g. channel quality indicator [CQI] · CPC title

• H04B7/0617 Primary

  for beam forming · CPC title