Multi-user Detection and Mimo Channel Estimation for Subway Tunnel Transmissions: Simulations and Trials
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چکیده
In this paper we propose to apply multi-user detection techniques to the GSM system allowing either more transmitters per cell or higher data rates for point to point communications. In this former context, a optimal maximum likelihood channel estimator is derived. To increase the robustness of the transmission, iterative receivers are proposed including channel decoding and re-estimation of the propagation channel. The proposed receivers and channel estimates are evaluated both by simulation and on real data provided by the IST ESCORT project.
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تاریخ انتشار 2002