Designs of Training Signals for Spatially Correlated Multi-User MIMO-OFDM

被引：0
|
作者：
Tran, Nguyen N. [1 ]
Nguyen, Ha H. [1 ]
Tuan, Hoang D. [2 ]
Dodds, David E. [1 ]
机构：
[1] Univ Saskatchewan, Dept Elect & Comp Engn, Saskatoon, SK S7N 5A9, Canada
[2] Univ New South Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia
来源：
2011 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC) | 2011年
基金：
加拿大自然科学与工程研究理事会;
关键词：
CHANNEL ESTIMATION; SYSTEMS;
D O I：
暂无
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：
Optimal training design and channel estimation for spatially correlated multi-user multi-input multi-output with orthogonal frequency-division multiplexing (MIMO-OFDM) systems is still an open research problem of great interest. This paper applies tractable semi-definite programming to obtain the optimal training signal for the general case of spatial channel correlations for multi-user MIMO-OFDM. The optimal solution in closed-form expression is also derived for a special case of transmit correlations. Analytical and simulation results demonstrate the excellent performance of the proposed designs and their performance advantage over the equi-powered training designs.
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收藏
页数：6
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