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학술대회 Contention Based Fast Beam Switching Scheme in Millimeter-wave Cellular Systems
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저자
성낙운, 최용석
발행일
201507
출처
International Conference on Advanced Communication Technology (ICACT) 2015, pp.521-524
DOI
https://dx.doi.org/10.1109/ICACT.2015.7224849
협약과제
14MI8100, 밀리미터파 5G 이동통신 시스템 개발, 김태중
초록
Millimeter wave (mmWave) cellular system has recently been introduced as an attractive approach for 5G mobile broadband communications. In the mmWave beamforming cellular systems, the user equipment (UE) can experience frequent service disruptions due to frequent switching among a plurality of beams if the UE follows the network controlled LTE handover procedures. In this paper, we shows how the mmWave beamforming cellular system can operate and which kind of new handovers UEs can experience. And we propose UE controlled beam switching mechanism based on contention based uplink channels. In this mechanism, UEs switch the serving beam to the target beam without random access delay using the pre-acquired contention based channels.
키워드
Beam switching, millimeter wave cellular systems, millimeter wave communication
KSP 제안 키워드
5G mobile, Access Delay, Contention-based, LTE handover(HO), Mobile Broadband, Random Access, Service disruptions, Switching mechanism, Switching scheme, User equipment(UE), broadband communication