Multiple symbol detection for differential unitary space-time modulation using a stack algorithm

被引:1
|
作者
Niyomsataya, Terasan [1 ]
Miri, Ali [1 ]
Nevins, Monica [2 ]
机构
[1] Univ Ottawa, Sch Informat Technol & Engn, Ottawa, ON K1N 6N5, Canada
[2] Univ Ottawa, Dept Math & Stat, Ottawa, ON K1N 6N5, Canada
关键词
D O I
10.1109/BSC.2008.4563279
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
This paper presents a stack algorithm approach as a fast optimization for multiple-symbol detection of differential unitary space-time modulation. The proposed algorithm has low complexity and is optimal, that is, it is equivalent to maximum-likelihood detection. At high SNR, given a signal constellation of size L with N detected symbols, simulations show that the proposed stack algorithm reduces the complexity required to maximize the decision metric from O(L-N N-2) to O(LN2).
引用
收藏
页码:374 / +
页数:2
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