Efficient metrics for scheduling in MIMO broadcast channels with limited feedback

被引：0
|
作者：
Kountouris, Marios [1 ]
de Francisco, Ruben [2 ]
Gesbert, David [2 ]
Slock, Dirk T. M. [2 ]
Saelzer, Thomas [1 ]
机构：
[1] France Telecom, Issy Les Moulineaux, France
[2] Eurecom Inst, Sophia Antipolis, France
来源：
2007 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL III, PTS 1-3, PROCEEDINGS | 2007年
关键词：
MIMO systems; broadcast channel; limited feedback; multiuser diversity; scheduling;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
We consider a downlink channel where a base station equipped with All transmit antennas communicates with K >= M single-antenna receivers and has partial channel knowledge obtained via a limited rate feedback channel. We propose scalar feedback metrics that provide an estimate of the received signal-to-noise plus interference ratio (SINR), which are combined with efficient user selection algorithms and zero-forcing beamforming. The asymptotic system sum rate for large K is analyzed and numerical results are provided, showing the performance of each metric in different scenarios.
引用
收藏
页码：109 / +
页数：2
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