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학술대회 A Contention-based Initial Beam Search Scheme for mmWave Cellular Communications
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정수정, 백승권
International Symposium on Personal, Indoor, and Mobile Radio Communication (PIMRC) 2017, pp.1-5
17HF1600, (통합)초연결 스마트 서비스를 위한 5G 이동통신 핵심기술개발, 정현규
In this paper, we study a contention-based beam search procedure for directional communication in a Millimeter wave (mmWave) cellular network. A beam search procedure is required for directional alignment/spatial synchronization between the base station (BS) and a user Equipment (UE) to get beamforming (BF) gain in the mmWave communication. We propose a beam search procedure, which is performed by BS and multiple UEs to establish physical link based on contention in the initial access phase, without any prior knowledge and feedback channel. The proposed scheme enables multiple UEs to perform beam search procedures with the BS simultaneously. Also that enables the BS to select multiple UEs and corresponding beam pairs that can maximize the achievable sum rate.
KSP 제안 키워드
Beam Search, Cellular Communication(GSM), Cellular networks, Contention-based, Directional Communication, Feedback channel, Initial access, Physical link, User equipment(UE), achievable sum rate, base station(BS)