Design and Analysis of Multi-User SDMA Systems with Noisy Limited CSIT Feedback

被引：3
|
作者：
Wu, Tianyu [1 ]
Lau, Vincent K. N. [1 ]
机构：
[1] Hong Kong Univ Sci & Technol, Dept EEE, Hong Kong, Hong Kong, Peoples R China
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2010年 / 9卷 / 04期
关键词：
SDMA; limited feedback; index assignment; TRANSMISSION; PERFORMANCE; CHANNELS;
D O I：
10.1109/TWC.2010.04.090406
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：
In this paper, we consider spatial-division multiple-access (SDMA) systems with one base station with multiple antennae and a number of single antenna mobiles under noisy limited CSIT feedback. We propose a robust noisy limited feedback design for SDMA systems. Furthermore, we show that despite the noisy feedback, the average system goodput scales as O(n(T)(1-epsilon)/n(T)-1 (C(fb) - log(2) (N(n)))) and O(n(T).log(2) P) in the interference limited regime (C(fb) < (n(T) - 1) log(2) P + log(2) N(n)) and noise-limited regime respectively.
引用
收藏
页码：1446 / 1450
页数：5
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