- 专利标题： Multi channel multiple input multiple output beamforming training in millimeter wave systems
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申请号： US17699828申请日： 2022-03-21
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公开(公告)号： US11916622B2公开(公告)日： 2024-02-27
- 发明人: Hanqing Lou , Li-Hsiang Sun , Oghenekome Oteri , Xiaofei Wang , Rui Yang
- 申请人： InterDigital Patent Holdings, Inc.
- 申请人地址： US DE Wilmington
- 专利权人： InterDigital Patent Holdings, Inc.
- 当前专利权人： InterDigital Patent Holdings, Inc.
- 当前专利权人地址： US DE Wilmington
- 代理机构： Flaster Greenberg PC
- 主分类号： H04B7/0452
- IPC分类号： H04B7/0452 ; H04B7/0417
摘要：
Systems, methods, and devices for beamforming (BF) training are disclosed. In some examples, a receiver is configured to receive sector sweep (SSW) training frames from an initiator device that each indicate an antenna sector of the initiator device. A transmitter is configured to transmit sector sweep (SSW) training frames to the initiator device that indicate a best received antenna sector of the initiator device. The receiver receives a sector sweep feedback (SSW FB) frame from the initiator device, and the transmitter transmits transmit a sector sweep acknowledgement (SSW ACK) frame to the initiator device that indicates an antenna sector of the initiator device that is different from the antenna sector indicated by the SSW FB frame, if the SSW FB frame was best received by an antenna not corresponding to the best received antenna sector of the initiator device.
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