Samsung Electronics Co., Ltd.

Jinwon Choi

Junho Lee

Jaein Kim

Huiwon Je

Mingoo Kim

Joonsung Kim

Yangsoo Kwon

Youngseok Jung

Inhyoung Kim

Yongin Choi

Seungjin Choi

Jinwoo Oh

Hyukyeon Lee

Jonggun Moon

A method of operating a wireless communication device including a plurality of antennas according to an exemplary embodiment of the present disclosure includes determining an antenna subset including at least one of the plurality of antennas, transmitting a sounding reference signal (SRS) switching signal to a base station through at least one antenna of the antenna subset, receiving a channel state information-reference signal (CSI-RS) transmitted using a first beam from the base station, selecting a precoding matrix indicator (PMI) based on the CSI-RS, transmitting the selected PMI to the base station, and receiving a signal transmitted from the base station through a second beam determined based on the SRS switching signal and the PMI.

Method and apparatus for wireless communication using beam-forming in wireless communication system

Method and apparatus communication using beam-forming in wireless communication system

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.

Communication device for performing beamforming and operating method thereof

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.

Method of performing beam training based on reinforcement learning and wireless communication device performing the same

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Seongnam-si, South Korea

Jinwon Choi