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Successive pilot contamination elimination in multiantenna multicell networks

Vu, Xuan Thang and Trinh, Anh Vu and Quek, Tony QS (2014) Successive pilot contamination elimination in multiantenna multicell networks. IEEE Wireless Communications Letters, 3 (6). pp. 617-620. ISSN 2162-2337

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This paper addresses the problem of channel estimation in time-division duplex (TDD) multicell cellular systems, where the performance of such systems is usually bounded by a bottleneck due to pilot contamination. We propose two channel estimation schemes that completely remove pilot contamination. The exact closed-form expression for average mean square error (MSE) of the proposed estimators is derived. More importantly, our proposed estimators do not need to know the second-order statistics of either desired user channels or interfering user channels. Finally, simulated results confirm gains over existing channel estimation schemes.

Item Type: Article
Subjects: Electronics and Communications > Communications
Electronics and Communications
Divisions: Faculty of Electronics and Telecommunications (FET)
Depositing User: Assoc/Prof Duc Tan Tran
Date Deposited: 28 May 2016 04:01
Last Modified: 28 May 2016 04:01

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