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학술지 Mobile Small Cells for Further Enhanced 5G Heterogeneous Networks
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저자
이충희, 이성형, 고광춘, 오성민, 신재승, 김재현
발행일
201510
출처
ETRI Journal, v.37 no.5, pp.856-866
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.15.2415.0022
협약과제
15MI2100, (통합)초연결 스마트 모바일 서비스를 위한 5G 이동통신 핵심기술개발, 정현규
초록
A heterogeneous network (HetNet) is a network topology composed by deploying multiple HetNets under the coverage of macro cells (MCs). It can improve network throughput, extend cell coverage, and offload network traffic; for example, the network traffic of a 5G mobile communications network. A HetNet involves a mix of radio technologies and various cell types working together seamlessly. In a HetNet, coordination between MCs and small cells (SCs) has a positive impact on the performance of the networks contained within, and consequently on the overall user experience. Therefore, to improve user-perceived service quality, HetNets require high-efficiency network protocols and enhanced radio technologies. In this paper, we introduce a 5G HetNet comprised of MCs and both fixed and mobile SCs (mSCs). The featured mSCs can be mounted on a car, bus, or train and have different characteristics to fixed SCs (fSCs). In this paper, we address the technical challenges related to mSCs. In addition, we analyze the network performance under two HetNet scenarios - MCs and fSCs, and MCs and mSCs.
키워드
5 G, HetNet, LTE, Mobile small cell, Small cell
KSP 제안 키워드
5G mobile communication, Cell Coverage, Cell types, Macro cell, Network Traffic, Network performance, Network throughput, Network topology, Perceived service quality, Technical Challenges, Working Together