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- W2025150236 abstract "Signal space diversity is a power and bandwidth efficient diversity technique. To exploit the signal space diversity, joint maximum-likelihood (ML) detection at the receiver is usually needed, where the complexity grows expontentially with the dimension of a lattice. In this paper, we propose a serial concatenated scheme and two simple iterative methods to exploit the signal space diversity. The simple iterative methods are based on the idea of soft interference cancellation. The first iterative method is based on a scalar Gaussian approximation while the second one is a vector Gaussian approximation. The complexity of the first iterative method grows linearly with the dimension of the lattice, and the simulations show that when the dimension of the lattice <i>N</i> = 32, at BER = 10<sup>-5</sup>, the performance gap between the Rayleigh fading channel and the Gaussian channel is only 0.3 dB. The complexity of the second iterative method grows cubically with the dimension of the lattice and the simulations show that its performance approaches that of the optimal MAP detection method." @default.
- W2025150236 created "2016-06-24" @default.
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- W2025150236 date "2004-08-10" @default.
- W2025150236 modified "2023-09-23" @default.
- W2025150236 title "Simple iterative method to exploit the signal space diversity" @default.
- W2025150236 doi "https://doi.org/10.1117/12.562324" @default.
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