Semiblind multiuser MIMO channel estimators using PM and RRQR methods

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Date
2009-05-11
Author
Pendse, Ravi
Hiren, G.
Sawan, M. Edwin
Qasaymeh, Mahmoud Mohammad
Nizar, T.
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Citation
Hiren, G.; Qasaymeh, M.M.; Pendse, R.; Sawan, M.E.; Nizar, T.; , "Semiblind Multiuser MIMO Channel Estimators Using PM and RRQR Methods,"Communication Networks and Services Research Conference, 2009. CNSR '09. Seventh Annual , vol., no., pp.1-5, 11-13 May 2009 doi: 10.1109/CNSR.2009.11
Abstract
Estimating the channel state information (CSI) of several transmitters that use orthogonal space-time block codes (OSTBC) to communicate with a single receiver is considered. Based on rank revealing QR (RRQR) factorization and propagator method (PM), two new algorithms to estimate multiuser MIMO channels are proposed. The algorithm estimates the subspace spanned by the user channels use only a few training blocks to extract the users CSI from this subspace. Our both algorithms achieve better performance in comparison with reference LS based approach. Computer simulations are included to validate proposed methods
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The full text of this article is not available on SOAR. WSU users can access the article via IEEE Xplore database licensed by University Libraries: http://libcat.wichita.edu/vwebv/holdingsInfo?bibId=1045954
URI
http://hdl.handle.net/10057/3762
http://dx.doi.org/10.1109/CNSR.2009.11
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