Khan, Fahd Ahmed, Chen, Yunfei and Alouini, Mohamed-Slim (2012) Novel receivers for AF relaying with distributed STBC using cascaded and disintegrated channel estimation. IEEE Transactions on Wireless Communications, Vol.11 (No.4). pp. 1370-1379. doi:10.1109/TWC.2012.021412.102166 ISSN 1536-1276.

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Abstract

New coherent receivers are derived for a pilot-symbol-aided distributed space-time block-coded system with imperfect channel state information which do not perform channel estimation at the destination by using the received pilot signals directly for decoding. The derived receivers are based on new metrics that use distribution of the channels and the noise to achieve improved symbol-error-rate (SER) performance. The SER performance of the derived receivers is further improved by utilizing the decision history in the receivers. The decision history is also incorporated in the existing Euclidean metric to improve its performance. Simulation results show that, for 16-quadrature-amplitude-modulation in a Rayleigh fading channel, a performance gain of up to 2.5 dB can be achieved for the new receivers compared with the conventional mismatched coherent receiver.

Item Type:	Journal Article
Divisions:	Faculty of Science, Engineering and Medicine > Engineering > Engineering
Journal or Publication Title:	IEEE Transactions on Wireless Communications
Publisher:	IEEE
ISSN:	1536-1276
Official Date:	April 2012
Dates:	Date Event April 2012 Published
Volume:	Vol.11
Number:	No.4
Page Range:	pp. 1370-1379
DOI:	10.1109/TWC.2012.021412.102166
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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