优化空时格码的性能准则及串联级联卷积编码空时格码

Journal of Applied Sciences ›› 2002, Vol. 20 ›› Issue (2): 129-134.

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Optimized Performance Criterion for STTC and the Serially Concatenated Convolution ally Coded STTC

CHENG Jian, CHEN Ming, CHENG Shi-xin

National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China

Received:2001-04-25 Revised:2001-10-14 Online:2002-06-30 Published:2002-06-30

Abstract

Abstract: In this paper, an improved criterion for STTC construction is discussed. Next a new kind of STTC construction using serially concatenated convolutionally coded modulation with QPSK with Gray mapping is proposed. Simulation shows that Gray mapping is much better than direct mapping, and the serially concatenated convolutionally coded STTCs with Gray mapping outperform the classical STTC proposed by Tarokh or the improved ones proposed by Bäro. The serially concatenated convolutionally coded STTC has good performance and is easy to construct.

Key words: wireless communications, space-time code, space-time trellis code (STTC), serially concatenated convolutionally coded STTC, Rayleigh fading

CLC Number:

TN911.22

CHENG Jian, CHEN Ming, CHENG Shi-xin. Optimized Performance Criterion for STTC and the Serially Concatenated Convolution ally Coded STTC[J]. Journal of Applied Sciences, 2002, 20(2): 129-134.

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Optimized Performance Criterion for STTC and the Serially Concatenated Convolution ally Coded STTC

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