Reduced Complexity MUD-MLSE Receiver for Partially-Overlapping WLAN-Like Interference

Abstract : The roll-out density of wireless local area networks (WLANs) has recently witnessed a dramatic increase and is currently reaching saturation levels. The frequency bands designated to WLANs do thus not suffice anymore to provide nonoverlapping, and hence interference-free, communication bands. A large body of research has been dedicated to a wide variety of optimum maximum likelihood sequence estimation (MLSE) and sub-optimum in-band interference mitigation techniques. Our contribution lies in a reduction of the state-space of a MLSE detector in the case of a desired WLAN receiver experiencing delayed interference from some other transmitters operating in partially overlapping spectral bands and over independent frequency-selecting block-fading channels. Based on the formulation of the optimum receiver, we derive a sub-optimum receiver of reduced complexity and demonstrate its satisfactory performance in the context of strong interference.
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Communication dans un congrès
IEEE VTC Spring 2007, Apr 2007, Dublin, Ireland. 2007
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  • HAL Id : inria-00399472, version 1

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Philippe Mary, Jean-Marie Gorce, Guillaume Villemaud, Mischa Dohler, Marylin Arndt. Reduced Complexity MUD-MLSE Receiver for Partially-Overlapping WLAN-Like Interference. IEEE VTC Spring 2007, Apr 2007, Dublin, Ireland. 2007. 〈inria-00399472〉

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