Spatially correlated MIMO channel-generation via virtual channel representation

This paper presents a new spatially correlated Rayleigh fading channel generation technique for multiple-input-multiple-output (MIMO) systems via recently proposed virtual channel representation (VCR). In contrast to the traditional production correlated channel generation, the new VCR approach gene...

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Bibliographic Details
Published in:IEEE communications letters 2006-05, Vol.10 (5), p.332-334
Main Authors: Tong, H., Zekavat, S.A.
Format: Article
Language:English
Subjects:
Applied sciences
Channel capacity
Channels
Correlation
Correlation coefficients
Discrete Fourier transforms
Exact sciences and technology
Fading
Fourier transforms
Mathematical models
Matrix decomposition
MIMO
Production
Rayleigh channels
Rayleigh scattering
Receiving antennas
Representations
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
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Summary:This paper presents a new spatially correlated Rayleigh fading channel generation technique for multiple-input-multiple-output (MIMO) systems via recently proposed virtual channel representation (VCR). In contrast to the traditional production correlated channel generation, the new VCR approach generates correlated channel via two dimensional discrete Fourier transform (DFT). This work extends the theoretical correlation coefficient results from single-input-multiple-output (SIMO) to MIMO channels. In addition, theoretically we show that the currently used production method is a special case of the new VCR technique, since the former considers only local scatterers, but the latter considers non-local scatterers as well. Hence, this work leads to the conclusion that VCR is a more general channel model compared with 2-D production-form.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2006.1633313