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Performance of MIMO precoders in tunnels for train-to-wayside communications

Abstract : n this paper, we investigate Multiple-input Multiple-output (MIMO) techniques implemented on the PHY layer of IEEE802.11x modems deployed for metro applications in tunnels. We analyze the performance in terms of bit error rate (BER) of three well-known quantized precoders: LTE, max-dmin and P-OSM, in coded MIMO systems in subway tunnels in presence of impulsive noise. We consider measured channel models and an impulsive noise distribution obtained thanks to measurements in tunnels and in railways environments. Different levels of correlation in the tunnel and also the channel estimation quality are taken into consideration.
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Submitted on : Wednesday, July 1, 2015 - 2:22:59 PM
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Jean-Marc Kwadjane, Baptiste Vrigneau, Charlotte Langlais, Yann Cocheril, Marion Berbineau. Performance of MIMO precoders in tunnels for train-to-wayside communications. URSIGASS 2014: XXXI General Assembly and Scientific Symposium of the International Union of Radio Science, Aug 2014, Beijing, China. pp.1-4 -, ⟨10.1109/URSIGASS.2014.6929355⟩. ⟨hal-01170354⟩



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