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학술지 Trade-Off of Multiplexing Streams in MIMO Broadcast Channels
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저자
이승환, John Thompson
발행일
201002
출처
IEEE Communications Letters, v.14 no.2, pp.115-117
ISSN
1089-7798
출판사
IEEE
DOI
https://dx.doi.org/10.1109/LCOMM.2010.02.091697
협약과제
08MR5400, 이동통신 무선접속방식의 환경 적응형 자율제어 기술 연구, 김진업
초록
A soft antenna trade-off scheme between different quality of service (QoS) groups in multiple input multiple output (MIMO) broadcast channels (BCs) is proposed. With the proposed scheme, a higher priority group takes precedence in using multiplexing streams for satisfying its QoS requirement. The number of streams allocated to each QoS group is gracefully adapted to the wireless channel conditions and QoS requirements. Numerical results demonstrate that the proposed scheme can improve the probability of QoS-guaranteed transmission while simultaneously maximizing the total throughput. © 2010 IEEE.
키워드
Broadcast channel (BC), Multiple input multiple output (MIMO), Quality of service (QoS)
KSP 제안 키워드
MIMO broadcast channel, Multiple input multiple output(MIMO), Numerical results, QoS Requirements, Trade-off, channel condition, quality of service(QoS), total throughput, wireless channel