Exact Sum-Rate Analysis of MIMO Broadcast Channels with Random Unitary Beamforming

被引：9
|
作者：
Yang, Hong-Chuan [1 ]
Lu, Peng
Sung, Hyung-Ki [2 ]
Ko, Young-Chai [2 ]
机构：
[1] Univ Victoria, Dept Elect & Comp Engn, Victoria, BC V8W 3P6, Canada
[2] Korea Univ, Sch Elect Engn, Seoul, South Korea
来源：
IEEE TRANSACTIONS ON COMMUNICATIONS | 2011年 / 59卷 / 11期
基金：
新加坡国家研究基金会; 加拿大自然科学与工程研究理事会;
关键词：
Multiuser MIMO; random beamforming; multiuser diversity; finite feedback; and capacity analysis; CAPACITY;
D O I：
10.1109/TCOMM.2011.062011.100288
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Random unitary beamforming (RUB) is an attractive transmission scheme for MIMO broadcast channels because of its ability to achieve high sum-rate capacity with limited feedback. In this letter, we derive the exact analytical expressions for the ergodic sum rate of MIMO broadcast channels with RUB. The analysis is facilitated by the development of the complete statistical characterization of ordered beam SINRs for a user, which can find their application in many related problems.
引用
收藏
页码：2982 / 2986
页数：5
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