Multi-Chip Differential Space-Time Block Coding for DS-CDMA

TitleMulti-Chip Differential Space-Time Block Coding for DS-CDMA
Publication TypeJournal Article
Year of Publication2007
AuthorsCheung, S. K., and R. Schober
JournalWireless Communications, IEEE Transactions on
Volume6
Pagination2046 -2050
Date Publishedjun.
ISSN1536-1276
Keywordsautomatic repeat request, block codes, code division multiple access, decision-feedback differential detection, DS-CDMA channels, multichip differential space-time block coding, time-variant direct-sequence code-division multiple access, time-varying systems
Abstract

In this letter, we propose a novel space-time coding scheme for fast time-variant direct-sequence code-division multiple access (DS-CDMA) channels. The proposed scheme employs multi-chip differential space-time block coding (MC-DSTBC) and robustness against fast fading is further improved by low-complexity decision-feedback differential detection (DF-DD). Both analytical and simulation results show in good agreement the excellent performance of the novel design in fast time-variant channels.

URLhttp://dx.doi.org/10.1109/TWC.2007.05844
DOI10.1109/TWC.2007.05844

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