High-rate space-time block codes with fast maximum-likelihood decoding

被引：1
|
作者：
Paredes, Javier M. [1 ]
Gershman, Alex B. [1 ]
机构：
[1] Tech Univ Darmstadt, Commun Syst Grp, D-64283 Darmstadt, Germany
来源：
2008 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, VOLS 1-12 | 2008年
关键词：
space-time coding; fast maximum-likelihood decoding;
D O I：
10.1109/ICASSP.2008.4518127
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Orthogonal space-time block codes (OSTBCs) represent an attractive choice of space-time coding scheme because of their simple maximum-likelihood (ML) decoding and full diversity property. However, the code orthogonality property limits their achievable transmission rate. In this paper, new high-rate block codes are proposed that are referred to as orthogonal structure based STBCs. To obtain these codes, the proposed design adds extra-symbols to the OSTBC matrix using different reasonable strategies. Because of the internal OSTBC structure of the proposed designs, the ML decoder can be implemented in a fast way. Simulations validate an improved performance-to-complexity tradeoff of the proposed codes as compared to several other popular choices of space-time codes.
引用
收藏
页码：2385 / 2388
页数：4
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