Differential super-quasi-orthogonal space-time trellis codes

被引：0

作者：

Wang, Jun ^{[1
]}

Qian, Jing ^{[1
]}

Dou, Junhui ^{[1
]}

Liu, Shouyin ^{[1
]}

Jang, Seong-Hyun ^{[2
]}

Chong, Jong-Wha ^{[2
]}

机构：

[1] Huazhong Normal Univ, Dept Elect & Inf Engn, Wuhan 430079, Peoples R China

[2] Hanyang Univ, Coll Informat & Commun, Seoul 133791, South Korea

来源：

2007 IEEE 66TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5 | 2007年

基金：

中国国家自然科学基金;

关键词：

space-time coding; differential modulation; super-quasi-orthogonal space-time trellis code; joint constellation;

D O I：

10.1109/VETECF.2007.142

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper proposes a new differential super-quasi-orthogonal space-time trellis codes (SQOSTTC) with single-symbol maximum-likelihood (ML) decoding. Firstly, a new joint constellation, which can be used to construct a unitary matrix for quasi-orthogonal space-time block code (QOSTBC), is designed. Secondly, based on the joint constellation and criterion of maximizing the coding gain distance (CGD), set-partitioning is done. Finally, we introduce the simple single-symbol maximum-likelihood (ML) decoding. Simulation results show that our differential SQOSTTC can get better performance than the differential super-orthogonal space-time trellis code (SOSTTC) 151 with four transmit antennas at the transmission rate of 1.5 bits/s/Hz and lower decoding complexity than the differential super-pseudo-orthogonal space-time trellis codes (SPOSTTC) [13] and the differential SOSTTC [14] at the transmission rate of 2 bits/s/Hz.

引用

页码：630 / +

页数：2

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