Invention Grant
- Patent Title: Techniques for estimating misalignment between antenna arrays
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Application No.: US18156690Application Date: 2023-01-19
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Publication No.: US12068814B2Publication Date: 2024-08-20
- Inventor: Seyong Park , Pinar Sen , Renqiu Wang , Peter Gaal , Naga Bhushan , Krishna Kiran Mukkavilli , Muhammad Sayed Khairy Abdelghaffar , Hwan Joon Kwon , Tingfang Ji
- Applicant: QUALCOMM Incorporated
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agency: QUALCOMM Incorporated
- Main IPC: H04B7/0456
- IPC: H04B7/0456 ; H04B7/06

Abstract:
Methods, systems, and devices for wireless communications are described. A first wireless device may be configured to transmit one or more reference signals to a second wireless device using a first antenna array at the first wireless device and in accordance with a first precoder matrix. The first wireless device may receive, from the second wireless device based on the one or more reference signals, a feedback message indicating an estimated rotational misalignment, an estimated spatial misalignment, or both, between the first antenna array at the first wireless device and a second antenna array at the second wireless device. The first wireless device may then transmit a message to the second wireless device in accordance with a second precoder matrix that is modified relative to the first precoder matrix based at least in part on the estimated rotational misalignment, the estimated spatial misalignment, or both.
Public/Granted literature
- US20240250724A1 TECHNIQUES FOR ESTIMATING MISALIGNMENT BETWEEN ANTENNA ARRAYS Public/Granted day:2024-07-25
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