Blind channel estimation for space-time block coded MC-CDMA system

Authors:
Aifeng Ren;Qinye Yin
Affiliations:
School of Electronics and Information Engineering, Xi'an Jiaotong University, Xi'an, P.R. China;School of Electronics and Information Engineering, Xi'an Jiaotong University, Xi'an, P.R. China
Venue:
FSKD'06 Proceedings of the Third international conference on Fuzzy Systems and Knowledge Discovery
Year:
2006

Citing 2
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Space-time block codes from orthogonal designs

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Abstract

To achieve high system capacity over frequency-selective fading channel, Multicarrier code-division multiple access (MC-CDMA) system with spatial diversity using space-time block coding (STBC) is considered. In this paper, we focus on the downlink frequency-selective fading channel identification problem of STBC multiple-input multiple-output (MIMO) MC-CDMA systems. Based on subspace decomposition technique and the special structure of STBC, we present a blind channel estimation scheme under multiuser environment. Computer simulations illustrate the performance of this algorithm.