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In this paper, we introduce the multicanonical (MUC) sampling technique to efficiently simulate the performance of communication systems. MUC can be considered as a unique importance sampling technique that employs an iterative procedure to converge to the optimal biasing of the distribution of the system random sources. As one example, multicanonical sampling is applied to the performance simulation...
This paper addresses the issue of advanced multiuser detection and equalization for multiuser space-time transmission over multipath multiple input multiple output (MIMO) fading channel. Instead of resorting to the straightforward analogy between users and antennas, we introduce a low-complexity approach where multiuser interference (MUI) cancellation and intersymbol interference (ISI) suppression...
Inter-carrier-interference (ICI) phenomena in the orthogonal frequency division multiplexing (OFDM) systems complicates the channel estimation and equalization tasks at the receiver side when the number of carriers increases, since the minimum mean squared error (MMSE) and zero forcing (ZF) criterions require non-trivial matrix inversion. The complexity can be reduced without strongly affecting the...
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