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Data detection for cooperative vehicular communication systems with unknown channels
He L.; Ma S.; Wu Y.-C.; Ng T.-S.
2010-12-01
Source Publication2010 IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2010 - Proceedings
Pages359-362
AbstractIn this paper, data detection for an OFDM-based amplify-and-forward (AF) cooperative vehicular communication system with multiple relays is investigated. Unlike the conventional OFDM AF cooperative systems, the underlying channels experience fast time-variation due to high mobility of the source and destination. To enable data detection, the system model is first reformulated using the generalized complex exponential basis expansion model (GCE-BEM). Then a channel estimator is developed using the Tikhonov regularization method and a data detection method is proposed based on the linear minimum mean square error (LMMSE) criterion. The effectiveness of the proposed data detection algorithm is finally corroborated by computer simulations. ©2010 IEEE.
KeywordAmplify- and-forward (AF) Cooperative vehicular communication Orthogonal frequency division multiplexing (OFDM) Time-varying channel
DOI10.1109/ICECS.2010.5724527
URLView the original
Language英語
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Document TypeConference paper
CollectionUniversity of Macau
AffiliationThe University of Hong Kong
Recommended Citation
GB/T 7714
He L.,Ma S.,Wu Y.-C.,et al. Data detection for cooperative vehicular communication systems with unknown channels[C],2010:359-362.
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