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학술지 Cooperative Interference Mitigation Algorithm in Heterogeneous Networks
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저자
Trung Kien VU, Sungoh KWON, 오상철
발행일
201511
출처
IEICE Transactions on Communications, v.E98.B no.11, pp.2238-2247
ISSN
1745-1345
출판사
일본, 전자정보통신학회 (IEICE)
DOI
https://dx.doi.org/10.1587/transcom.E98.B.2238
협약과제
14MI9100, (통합)초연결 스마트 모바일 서비스를 위한 5G 이동통신 핵심기술개발, 정현규
초록
SUMMARY Heterogeneous hetworks (HetNets) have been introduced as an emerging technology in order to meet the increasing demand for mobile data. HetNets are a combination of multi-layer networks such as macrocells and small cells. In such networks, users may suffer significant cross-layer interference. To manage this interference, the 3rd Generation Partnership Project (3GPP) has introduced enhanced Inter-Cell Interference Coordination (eICIC) techniques. Almost Blank SubFrame (ABSF) is one of the time-domain techniques used in eICIC solutions. We propose a dynamically optimal Signal-To-Interference-And-Noise Ratio (SINR)-based ABSF framework to ensure macro user performance while maintaining small user performance. We also study cooperative mechanisms to help small cells collaborate efficiently in order to reduce mutual interference. Simulations show that our proposed scheme achieves good performance and outperforms the existing ABSF frameworks.
키워드
ABSF, EICIC, HetNets, Interference mitigation, Scell
KSP 제안 키워드
3rd generation partnership project(3GPP), Cross-layer, Emerging technology, Inter Cell Interference Coordination(ICIC), Interference mitigation, Macro user, Multi-layer network, Small cells, User Performance, almost blank subframes(ABSs), enhanced Inter-cell Interference Coordination