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- W2005853622 abstract "In this paper, we present an overview of recent work on the applications of Markov Chain Monte Carlo (MCMC) techniques to both multiple-input and multiple-output (MIMO) detection and channel equalization. In the setting of MIMO detection, we have shown that, even for very large antenna systems with high spectral efficiencies of 24 bits/channel use (8 transmit and 8 receive antennas with 64 QAM modulation), the MCMC MIMO detector can bring us within 2 dB of the channel capacity with a greatly reduced complexity compared to several versions of sphere decoding based detectors. For frequency selective channels, we demonstrate that MCMC-based equalizers yield excellent performance even for severe inter-symbol-interference (ISI) channels. The MCMC equalizer achieves significant performance gain over minimum mean square error (MMSE) linear equalizer and performs closely to the optimal maximum a posteriori probability (MAP) equalizer. We will also discuss new approaches that effectively alleviate the well-known high SNR problems in existing MCMC detectors." @default.
- W2005853622 created "2016-06-24" @default.
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- W2005853622 date "2009-02-01" @default.
- W2005853622 modified "2023-09-27" @default.
- W2005853622 title "Markov Chain Monte Carlo: Applications to MIMO detection and channel equalization" @default.
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- W2005853622 doi "https://doi.org/10.1109/ita.2009.5044921" @default.
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