A recent technique for generating two spatially correlated Rayleigh fading envelope sequences is generalized to give an efficient method for generating multiple cross-correlated Rayleigh fading sequences. Any desired cross-correlations can be realized for an arbitrary number of diversity branches. The computational complexity of the new method is compared to the computational complexity of a direct method. It is shown that properly utilizing the underlying block Toeplitz structure of the correlation matrix can give computational savings of several orders of magnitude.
Efficient simulation of correlated diversity channels / Beaulieu, N. C.; Merani, M. L.. - (2000), pp. 207-210. ( 2000 IEEE Wireless Communications and Networking Conference Chicago, IL, usa 2000).
Efficient simulation of correlated diversity channels
Merani M. L.
2000
Abstract
A recent technique for generating two spatially correlated Rayleigh fading envelope sequences is generalized to give an efficient method for generating multiple cross-correlated Rayleigh fading sequences. Any desired cross-correlations can be realized for an arbitrary number of diversity branches. The computational complexity of the new method is compared to the computational complexity of a direct method. It is shown that properly utilizing the underlying block Toeplitz structure of the correlation matrix can give computational savings of several orders of magnitude.
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