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OFDMA/SC-FDMA aided space-time shift keying for dispersive multi-user scenarios

Mohammad, Ismat Kadir, Sugiura, Shinya, Zhang, Jiayi, Chen, Sheng and Hanzo, Lajos (2013) OFDMA/SC-FDMA aided space-time shift keying for dispersive multi-user scenarios IEEE Transactions on Vehicular Technology, 62, (1), pp. 408-414.

Record type: Article


Abstract—Motivated by the recent concept of Space-Time Shift
Keying (STSK) developed for achieving a ?exible diversity versus multiplexing gain trade-off, we propose a novel Orthogonal Frequency Division Multiple Access (OFDMA)/Single Carrier Frequency Division Multiple Access (SC-FDMA) aided multi-user STSK scheme for frequency-selective channels. The proposed OFDMA/SC-FDMA STSK scheme is capable of providing an improved performance in dispersive channels, while supporting multiple users in a multiple antenna aided wireless system. Furthermore, the scheme has the inherent potential of bene?tting from the low-complexity single-stream Maximum-likelihood (ML) detector. Both an uncoded and a sophisticated near-capacity coded OFDMA/SC-FDMA STSK scheme were studied and their performances were compared in multiuser wideband Multiple-Input Multiple-Output (MIMO) scenarios. Explicitly, OFDMA/SC-FDMA aided STSK exhibits an excellent performance even in the presence of channel impairments due to the frequency-selectivity of wideband channels and proves to be a bene?cial choice for high capacity multi-user MIMO systems.

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Published date: January 2013
Organisations: Southampton Wireless Group


Local EPrints ID: 347139
ISSN: 0018-9545
PURE UUID: 953aaaec-cfa3-432c-8e2f-4b4692006496

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Date deposited: 21 Jan 2013 13:12
Last modified: 18 Jul 2017 04:59

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Author: Ismat Kadir Mohammad
Author: Shinya Sugiura
Author: Jiayi Zhang
Author: Sheng Chen
Author: Lajos Hanzo

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