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학술대회 An Efficient Handover Scheme for Providing the Inter-Beam Mobility
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오성민, 강숙양, 박현서, 박애순
International Conference on Information and Communication Technology Convergence (ICTC) 2014, pp.695-696
14MI9100, (통합)초연결 스마트 모바일 서비스를 위한 5G 이동통신 핵심기술개발, 정현규
This paper proposes an inter-beam handover (IBH) scheme in millimeter wave (mmWave) communication systems. Since the width of a beam transmitted by a base station (BS) is very narrow, the IBH can frequently occur within a BS. For this reason, the previous handover scheme based on the radio resource control (RRC) message can cause the increase of the signaling overhead. In addition, the performance of the IBH can be dramatically deteriorated because the strength of the received signal can be rapidly decreased at the edge of a beam. To solve these problems, the proposed scheme performs the IBH by exploiting the medium access control (MAC) control element (CE) to reduce the signaling overhead, and it applies the inter-beam coordinated scheduling (IBCS) to improve the strength of the received signal at the edge of a beam.
inter-beam coordinated scheduling, Inter-beam handover, mmWave communication
KSP 제안 키워드
Communication system, Control element, Handover Scheme, Inter-beam handover, Medium Access Control, Radio resource control, base station(BS), inter-beam coordinated scheduling, millimeter wave(mmWave), mmWave communication, signaling overhead