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Low-complexity channel estimation for wireless OFDM systems

Athaudage, Chandranath R; Jayalath, Anagiyaddage Dhammik


Wireless communication systems incorporating coherent OFDM requires the estimation and tracking of the time-varying channel response for accurate demodulation of data at the receiver. In pilot-symbol-assisted (PSA) OFDM systems, the minimum mean-square-error (MMSE) estimator is a good channel estimation technique given that channel statistics are known. However, the major drawback of the MMSE estimator is its high computational complexity, which grows with number of pilots. Piecewise-linear...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Conference paper
Source: Proceedings of the 14th IEEE Conference on Personal, Indoor and Mobile Radio Communications
DOI: 10.1109/PIMRC.2003.1264326


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