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학술지 Novel Cellular System Design Using Standalone and Centralized mmWave-Based Multi-Spot Beam Structure
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저자
박순기, 최용석
발행일
201502
출처
International Journal of Control and Automation, v.8 no.2, pp.337-350
ISSN
2005-4297
출판사
SERSC
DOI
https://dx.doi.org/10.14257/ijca.2015.8.2.32
협약과제
14MI8100, 밀리미터파 5G 이동통신 시스템 개발, 김태중
초록
© 2015 SERSC. This paper presents new mmWave-based cellular system as one of means to achieve the capacity requirement of 5G mobile communications. The base station of new system covers its service area with spot beams formed by many beamforming antennas, and one beam can be composed of multiple frequency allocation beam component carriers in which one broadband bandwidth is divided into multiple sub-bands at the millimeter frequency. The best feature of new cellular architecture is the multi-layered FA dynamic cell configuration and it means that one or more beam component carrier(s) can be grouped and then operated as one cell. The effect of this dynamic cell configuration is to avoid interference among cells via the association among multi-layered FAs and to imitate pseudo-small cells and pseudo-macro cell like 3GPP small cell enhancement architecture (user equipment in small cell enhancement architecture can use coverage layer (macro cell(s)) for mobility robustness and capacity layer (small cells) for capacity offering). In this paper, we design new system, its basic operation and evaluate its capacity to confirm the possibility as an alternative of 5G mobile communications.
키워드
5G, Beam, Beamforming, CA, Capacity, Carrier aggregation, Cellular, Cellular system, CoMP, Coordinated multi-point, Millimeter, MmWave, SCE, Small cell, Small cell enhancement
KSP 제안 키워드
5G mobile communication, Beamforming antenna, Capacity requirement, Carrier aggregation, Cellular system, Dynamic cell configuration, Macro cell, Multiple frequency, One beam, User equipment(UE), base station(BS)