Robust channel estimation algorithm for dual-hop MIMO relay channels

Chiong, Choo W.R., Rong, Yue and Xiang, Yong 2012, Robust channel estimation algorithm for dual-hop MIMO relay channels, in PIMRC 2012 : IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, IEEE, Piscataway, N.J., pp. 2347-2352.

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Title Robust channel estimation algorithm for dual-hop MIMO relay channels
Author(s) Chiong, Choo W.R.
Rong, Yue
Xiang, Yong
Conference name IEEE Personal, Indoor and Mobile Radio Communications. Symposium (23rd : 2012 : Sydney, New South Wales)
Conference location Sydney, New South Wales
Conference dates 9-12 Sep. 2012
Title of proceedings PIMRC 2012 : IEEE International Symposium on Personal, Indoor and Mobile Radio Communications
Editor(s) [Unknown]
Publication date 2012
Conference series IEEE Personal, Indoor and Mobile Radio Communications Symposium
Start page 2347
End page 2352
Total pages 6
Publisher IEEE
Place of publication Piscataway, N.J.
Keyword(s) channel estimation
MIMO relay
robust
Summary In conventional two-phase channel estimation algorithms for dual-hop multiple-input multiple-output (MIMO) relay systems, the relay-destination channel estimated in the first phase is used for the source-relay channel estimation in the second phase. For these algorithms, the mismatch between the estimated and the true relay-destination channel affects the accuracy of the source-relay channel estimation. In this paper, we investigate the impact of such channel state information (CSI) mismatch on the performance of the two-phase channel estimation algorithm. By explicitly taking into account the CSI mismatch, we develop a robust algorithm to estimate the source-relay channel. Numerical examples demonstrate the improved performance of the proposed algorithm. © 2012 IEEE.
ISBN 146732566X
9781467325660
Language eng
Field of Research 089999 Information and Computing Sciences not elsewhere classified
Socio Economic Objective 970108 Expanding Knowledge in the Information and Computing Sciences
HERDC Research category E1 Full written paper - refereed
Persistent URL http://hdl.handle.net/10536/DRO/DU:30051401

Document type: Conference Paper
Collection: School of Information Technology
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