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

TitleMulti-Chip Differential Space-Time Block Coding for DS-CDMA
Publication TypeConference Paper
Year of Publication2006
AuthorsCheung, S. K., and R. Schober
Conference NameVehicular Technology Conference, 2006. VTC 2006-Spring. IEEE 63rd
Pagination2299 -2303
Date Publishedmay.
Keywordsblock codes, code division multiple access, DF-DD, differential detection, direct-sequence code-division multiple access channels, DS-CDMA, fast fading, fast time-variant channels, low-complexity decision-feedback differential detection, MC-DSTBC, multi-chip differential space-time block coding, space-time codes, spread spectrum communication, time-varying channels, wireless channels

In this paper, 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). A detailed performance analysis of MC-DSTBC with DF-DD is provided. Both analytical and simulation results show in good agreement the excellent performance of the novel design in fast time-variant channels


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