Iterative channel estimation and turbo decoding in OFDM systems.

Nguyen, Huan X. and Choi, Jinho (2005) Iterative channel estimation and turbo decoding in OFDM systems. IEEE Vehicular Technology Conference, 2005 (62). pp. 166-170. ISSN 1090-3038

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Iterative channel estimation and decoding (ICED) technique is widely used to improve the performance of the receiver in wireless communication systems. In this paper, we first consider a direct Minimum Mean Square Error (MMSE) channel estimation with turbo channel decoding for Orthogonal Frequency Division Multiplexing (OFDM) systems under a time- varying channel environment. The soft-information from turbo decoder can be efficiently incorporated into the channel estimator which consequently results in a better performance within the iterative receiver. Then, we propose a new simple and effective time-domain MMSE channel estimation method which even provides a better performance with a low complexity.

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Conference details: Vehicular Technology Conference, 2005. VTC-2005-Fall. 2005 IEEE 62nd. Held in Dallas, Texas, USA; 25-28 September 2005

Research Areas:A. > School of Science and Technology > Computer and Communications Engineering
A. > School of Science and Technology > Computer Science > SensoLab group
ID Code:7693
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Deposited On:19 Apr 2011 14:52
Last Modified:24 Mar 2015 10:31

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