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Non-linear detection for multi-antenna (MIMO) systems using iterative detection and decoding offers superior communications performance at the cost of an increased computational complexity. Various algorithms from literature solve the underlying search problem using quite diverse approaches. Detection based on a Trellis diagram to structure the search has shown close-to-optimal performance, however...
Recently, MIMO detectors which are based on Markov Chain Monte Carlo (MCMC) simulation techniques have been proposed as alternatives to, e.g., the well-known sphere detector. In this paper, we present a systematic analysis of the performance of MCMC detectors. We study the impact of several parameters such as the list size and the number of independently running chains. As a performance criterion,...
In this correspondence, we analytically derive the bit error rate (BER) for bit-interleaved coded modulation (BICM) under the assumption of a temporally correlated flat Rayleigh fading channel. We assume the channel state information (CSI) to be unknown at receiver side and consider a linear minimum mean-squared error (LMMSE) channel estimator that relies on periodically inserted pilot symbols. We...
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