Trade-Off of Multiplexing Streams in MIMO Broadcast Channels

被引：3
|
作者：
Lee, Seung-Hwan [1 ]
Thompson, John [2 ]
机构：
[1] ETRI, Taejon 305700, South Korea
[2] Univ Edinburgh, Edinburgh EH8 9YL, Midlothian, Scotland
来源：
IEEE COMMUNICATIONS LETTERS | 2010年 / 14卷 / 02期
关键词：
Multiple input multiple output (MIMO); broadcast channel (BC); quality of service (QoS);
D O I：
10.1109/LCOMM.2010.02.091697
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
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.
引用
收藏
页码：115 / 117
页数：3
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