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公开(公告)号：US20220182115A1
公开(公告)日：2022-06-09
申请号：US17539769
申请日：2021-12-01
发明人： Yongin CHOI , Yangsoo KWON , Joonsung KIM , Jinwoo OH , Mingoo KIM , Inhyoung KIM , Youngseok JUNG , Jinwon CHOI
IPC分类号： H04B7/06
摘要： An operating method of a communication device for providing a beamformed transmission signal to a plurality of terminals may include determining a target transmission vector based on an area restriction condition for each of the plurality of terminals, generating a beam selection matrix for selecting some of a plurality of antennas based on the target transmission vector and a beam selection condition, generating a precoding matrix based on the target transmission vector and the beam selection matrix, and generating a transmission signal based on the beam selection matrix and the precoding matrix.
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公开(公告)号：US20220368393A1
公开(公告)日：2022-11-17
申请号：US17539759
申请日：2021-12-01
发明人： Junho LEE , Jaein KIM , Jonggun MOON , Hyukyeon LEE , Seungjin CHOI , Huiwon JE , Jinwon CHOI
IPC分类号： H04B7/06
摘要： A method of performing beam training including obtaining at least one of a probability distribution and a value function for selecting one of a plurality of beams that are used to perform beamforming, selecting a candidate beam from among the plurality of beams based on the at least one of the probability distribution and the value function, the candidate beam being expected to be a best beam among the plurality of beams, performing a present training operation based on the candidate beam and a previous beam selected by at least one previous training operation, and selecting a better one of the candidate beam and the previous beam as a present beam based on a result of the present training operation may be provided.
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