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Low complexity iterative receiver for Linear Precoded OFDM

Abstract : Linear Precoded OFDM systems with channel coding have already been demonstrated to efficiently exploit frequency and time diversities of the transmission channel. Iterative receivers which iteratively perform channel decoding and deprecoding provide very good performance. In the literature, these iterative receivers are based on maximum likelihood based functions for both linear deprecoding and channel decoding leading to a high complexity for large size of precoding matrices or high modulation order. In this paper, a simple linear operation instead of a maximum likelihood based one is carried out for deprecoding allowing the use of large precoding matrices and thus an optimal exploitation of the signal diversity.
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Contributor : Vincent Le Nir Connect in order to contact the contributor
Submitted on : Thursday, August 18, 2005 - 9:44:48 AM
Last modification on : Monday, November 29, 2021 - 12:48:01 PM
Long-term archiving on: : Thursday, April 1, 2010 - 10:13:34 PM


  • HAL Id : hal-00008005, version 1


Pierre-Jean Bouvet, Maryline Hélard, Vincent Le Nir. Low complexity iterative receiver for Linear Precoded OFDM. 2005, pp.1-5. ⟨hal-00008005⟩



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