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公开(公告)号：EP3917028A1
公开(公告)日：2021-12-01
申请号：EP21186691.8
申请日：2011-03-15
Applicant: Apple Inc.
Inventor： TONG, Hui , HOSHINO, Masayuki , XU, Ming , NAKAO, Seigo , IMAMURA, Daichi
IPC: H04B7/06
Abstract: A method of generating codebook in a wireless communication system with a plurality of antenna arrays, comprising steps of
providing a basic codebook which contains a plurality of pre-coding matrices; and
assigning phase offsets to certain pre-coding matrices in the basic codebook to form a codebook with phase offset.
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