NDLI: Relay and antenna selection in multi-antenna amplify-and-forward (AF) systems with partial channel state information

Content Provider	IEEE Xplore Digital Library
Author	Danaee, A. Maleki, M. Kota, J.S. Bahrami, H.R.
Copyright Year	2012
Description	Author affiliation: Department of Electrical and Computer Engineering, The University of Akron, Akron, Ohio 44325 (Danaee, A.; Maleki, M.; Kota, J.S.; Bahrami, H.R.)
Abstract	This paper combines the idea of relay and antenna selection with that of partial channel state information (CSI) based precoding. We consider a non-regenerative two-hop relay network where all the nodes are equipped with multiple antennas. It is assumed that multiple relay nodes are available for cooperation and that the source and each individual relay have the full CSI of the source-relay channel. It is further assumed that each relay knows the spatial correlation matrix of relay-destination channel. The structure of the optimum precoders to minimize a tight lower-bound on the average received minimum mean square error (MMSE) at the source and the relays are then introduced. Using these precoders and based on a computationally efficient proposed method, the best relay and antenna subsets at the source and the relay are then selected to further minimize the MMSE. By simulation, we show that the proposed scheme provides a significant performance gain in terms of the bit error rate (BER).
Starting Page	4155
Ending Page	4159
File Size	208383
Page Count	5
File Format	PDF
ISBN	9781457720529
ISSN	15503607
e-ISBN	9781457720536
e-ISBN	9781457720512
DOI	10.1109/ICC.2012.6364480
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-10
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Antennas Bit error rate Correlation MIMO Covariance matrix Wireless communication precoding amplify-and-forward channel state information relay selection antenna selection
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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