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:School of Science and Technology > Science & Technology
ID Code:7693
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Deposited On:19 Apr 2011 14:52
Last Modified:06 Feb 2013 11:35

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