Joint Channel Prediction Aided Differentially Encoded TTCM and BICMID Assisted Eigen-Beamforming
Joint Channel Prediction Aided Differentially Encoded TTCM and BICMID Assisted Eigen-Beamforming
Eigen-beamforming is capable of providing attractive performance gains in the context of multiple-input multiple-output systems, provided accurate channel state information (CSI) is available. However, when a realistic pilot-based channel predictor is used for acquiring the CSI, a significant performance degradation may be imposed by the phase-ambiguity inherent in the estimated eigenvectors. Sophisticated differentially encoded coded modulation (CM) schemes are amalgamated with the eigen-beamformer, when employing a minimum mean square error based pilot-assisted channel predictor for avoiding the performance degradation imposed by outdated channel estimation. It is shown that the amalgamated differentially encoded CM aided eigen-beamformer attained a coding gain of about 6.5 dB, when communicating over correlated Rayleigh fading channels.
232-234
Liu, W.
af656440-51e8-45c8-b694-a802e71b671e
Ng, S. X.
e19a63b0-0f12-4591-ab5f-554820d5f78c
Yang, L-L.
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
February 2007
Liu, W.
af656440-51e8-45c8-b694-a802e71b671e
Ng, S. X.
e19a63b0-0f12-4591-ab5f-554820d5f78c
Yang, L-L.
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
Liu, W., Ng, S. X., Yang, L-L. and Hanzo, L.
(2007)
Joint Channel Prediction Aided Differentially Encoded TTCM and BICMID Assisted Eigen-Beamforming.
Electronics Letters, 43 (4), .
Abstract
Eigen-beamforming is capable of providing attractive performance gains in the context of multiple-input multiple-output systems, provided accurate channel state information (CSI) is available. However, when a realistic pilot-based channel predictor is used for acquiring the CSI, a significant performance degradation may be imposed by the phase-ambiguity inherent in the estimated eigenvectors. Sophisticated differentially encoded coded modulation (CM) schemes are amalgamated with the eigen-beamformer, when employing a minimum mean square error based pilot-assisted channel predictor for avoiding the performance degradation imposed by outdated channel estimation. It is shown that the amalgamated differentially encoded CM aided eigen-beamformer attained a coding gain of about 6.5 dB, when communicating over correlated Rayleigh fading channels.
More information
Published date: February 2007
Organisations:
Southampton Wireless Group
Identifiers
Local EPrints ID: 264079
URI: http://eprints.soton.ac.uk/id/eprint/264079
ISSN: 0013-5194
PURE UUID: 06217e67-d14d-4894-9db0-e2bac6157c50
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Date deposited: 23 May 2007
Last modified: 18 Mar 2024 02:49
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