Multiple-Symbol Differential Sphere Detection Aided Differential Space-Time Block Codes Using QAM Constellations

被引：10

作者：

Xu, Chao ^{[1
]}

Wang, Li ^{[1
]}

Ng, Soon Xin ^{[1
]}

Hanzo, Lajos ^{[1
]}

机构：

[1] Univ Southampton, Sch Elect & Comp Sci, Southampton SO17 1BJ, Hants, England

来源：

IEEE SIGNAL PROCESSING LETTERS | 2011年 / 18卷 / 09期

基金：

英国工程与自然科学研究理事会;

关键词：

Differential space-time block code; multiple-symbol differential sphere detection; QAM; MODULATION;

D O I：

10.1109/LSP.2011.2160851

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：

We propose Multiple-Symbol Differential Detection (MSDD) aided Differential Space-Time Block Codes (DSTBCs) using QAM. Our solution eliminates the requirement of high-complexity MIMO channel estimation and its pilot overhead, while mitigating the potential performance degradation of noncoherent receivers in fast fading channels. Additionally, we develop Multiple-Symbol Differential Sphere Detection (MSDSD) for the QAM aided DSTBC schemes advocated, in order to circumvent their potentially excessive complexity.

引用

页码：497 / 500

页数：4

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