Invention Grant
- Patent Title: Techniques for assisted beam refinement
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Application No.: US16241641Application Date: 2019-01-07
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Publication No.: US10608723B2Publication Date: 2020-03-31
- Inventor: Vasanthan Raghavan , Junyi Li
- Applicant: QUALCOMM Incorporated
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agency: Holland & Hart LLP
- Main IPC: H04B7/06
- IPC: H04B7/06 ; H04B7/08 ; H04B17/382 ; H04B17/327 ; H04B17/336

Abstract:
Techniques are described herein for a beam refinement procedure between a first communications device (e.g., base station) and a second communications device (e.g., user equipment (UE)) that uses long-term feedback information from the second communications device to maintain a beam pair link established for a downlink connection. The second communications device may transmit long-term feedback information to the first communications device in response to a request or a trigger event occurring. The long-term feedback information may be sensor information measured by the second communications device or uplink training symbols. The first communications device may localize a beam search of the beam refinement procedure using the long-term feedback information. The localized beam search may be an example of a device-specific search. The first communications device may also generate a long-term map of channel conditions based on the long-term feedback data. The long-term map may also be used to localize the search.
Public/Granted literature
- US20190253117A1 TECHNIQUES FOR ASSISTED BEAM REFINEMENT Public/Granted day:2019-08-15
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