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학술대회 Initial Beam Selection Scheme Using Channel Correlation Matrix in mmWave Massive MIMO Systems
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저자
정재민, 김희영, 한성배, 장영록, 김석기, 백승권, 최수용
발행일
201807
출처
International Conference on Ubiquitous and Future Networks (ICUFN) 2018, pp.744-747
DOI
https://dx.doi.org/10.1109/ICUFN.2018.8436978
협약과제
17HF1600, (통합)초연결 스마트 서비스를 위한 5G 이동통신 핵심기술개발, 정현규
초록
For millimeter wave (mmWave) massive multiple-input-multiple-output (MIMO) Xhaul systems, an initial beam search technique based on the maximum value of the codebook multiplied by the channel correlation matrix is proposed. Simulation results show the proposed initial beam selection scheme reduces complexity by more than 95% and improves up to 24% gain in terms of achievable rate compared with the conventional turbo-like tabu beam search algorithm with a random initial beam selection.
KSP 제안 키워드
Achievable rate, Beam search algorithm, Channel correlation, Massive MIMO systems, Multiple input multiple output(MIMO), Search Algorithm(GSA), Search technique, beam selection, correlation matrix, millimeter wave(mmWave), mmWave massive MIMO