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Towards efficient design of fixed-point iterative receiver for coded MIMO-OFDM systems

Abstract : In recent years, iterative receiver has been widely considered since it is able to achieve high data rates and reliable communications for coded MIMO-OFDM systems. However, such a receiver is extremely challenging in practical implementation. In this paper, we present an efficient fixed-point arithmetic of iterative receiver based on low-complexity K-Best decoder in order to reduce the hardware costs in terms of area and execution time. The performance of fixed-point receiver is then evaluated with different modulation orders and channel models. Moreover, a testbed for MIMO-OFDM system using wireless open access research platform (WARP) is introduced in order to evaluate the performance of the receiver under real system conditions. © 2016 IEEE.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01368147
Contributor : Laurent Jonchère <>
Submitted on : Monday, September 19, 2016 - 10:23:08 AM
Last modification on : Monday, October 5, 2020 - 9:50:24 AM

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R.E. Chall, F. Nouvel, M. Helard, Yvan Kokar, M. Liu. Towards efficient design of fixed-point iterative receiver for coded MIMO-OFDM systems. 23rd International Conference on Telecommunications, ICT 2016, May 2016, Thessaloniki, Greece. pp.7500478, ⟨10.1109/ICT.2016.7500478⟩. ⟨hal-01368147⟩

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