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A space-time coded MIMO-OFDM multiuser application with iterative MMSE-decision feedback algorithm

Zhang, L, Sellathurai, M and Chambers, JA (2007) A space-time coded MIMO-OFDM multiuser application with iterative MMSE-decision feedback algorithm International Conference on Signal Processing Proceedings, ICSP, 3.

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Abstract

A popular technique for high data rate wireless transmission is OFDM. To increase the diversity gain and/or to enhance the system capacity, in practice, OFDM may be used in combination with antenna arrays at the transmitter and receiver to form a multiple-input multiple-output (MIMO) system. In this paper, an iterative multiuser receiver structure for space-time block coded MIMO OFDM scheme is exploited over slow fading channels. We utilize iterative detection based on minimum mean square error updated with decision feedback (MMSE-DF). The symbols are estimated in iterative process by updating extrinsic information to develop log-likelihood ratios (LLRs). Simulation results indicate that the scheme is proposed for the considered scenario and the performance over classical linear MMSE estimator.

Item Type: Article
Authors :
NameEmailORCID
Zhang, LUNSPECIFIEDUNSPECIFIED
Sellathurai, MUNSPECIFIEDUNSPECIFIED
Chambers, JAj.a.chambers@surrey.ac.ukUNSPECIFIED
Date : 31 May 2007
Identification Number : https://doi.org/10.1109/ICOSP.2006.345799
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:26
Last Modified : 17 May 2017 13:26
URI: http://epubs.surrey.ac.uk/id/eprint/839216

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