Iteratively decoded space-time trellis codes

被引：0
|
作者：
Suh, J [1 ]
Howlader, MK [1 ]
机构：
[1] Univ Tennessee, Dept Elect & Comp Engn, WCRG, Knoxville, TN 37996 USA
来源：
2004 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE, VOLS 1-4: BROADBAND WIRELESS - THE TIME IS NOW | 2004年
关键词：
D O I：
10.1109/WCNC.2004.1311798
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Space-time trellis codes (STTC) have been proposed as the constituent codes of turbo codes [1] [2]. In this article, we propose a similar scheme, the iteratively decoded space-time. trellis codes (ISTTC), and derive the performance upper bound on BER. When the STTC are combined with space-time block codes (STTC-STBC), it provides an improved BER over the system with STTC only. Here, we, also propose the iteratively decoded STTC-STBC (ISTTC-STBC) to improve both the, performance and the rate. It. can compensate the reduced transmission rate caused from the iteratively decoded STTC to combine the STBC having more transmitters than the constituent STTC. This paper presents the details, of computing the extrinsic information shared between two constituent decoders, design schemes of ISTTC with or without STBC, and their performance results shown via simulation.
引用
收藏
页码：1636 / 1641
页数：6
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