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Generalised Space-Time Modelling of Rayleigh MIMO channels

Summary: Generalised Space-Time Modelling of Rayleigh
MIMO channels
David B. Smith and Thushara D. Abhayapala
Abstract-- A recently proposed space-time model for Rayleigh
fading for a multiple-input multiple-output (MIMO) channel with
arbitrary spatial separation at the transmitter and the receiver
is extended. A space-frequency cross spectrum is derived from a
space-time cross correlation for a non-isotropic scatterer distri-
bution around the receiver. A simulation study is performed into
the space-time correlation formulation to gain understanding of
the changing of some relevant parameters and applying different
non-isotropic distributions. The formulations presented can be
applied to analyse any numbers of transmit and receive antennas
operating in typical time-selective MIMO fading channels, and
hence can be used in the design of space-time modems.
Index Terms-- Space-time cross correlation, space-frequency
cross spectrum, MIMO Rayleigh channels, wireless communica-
The combination of spatial and temporal diversity are two


Source: Abhayapala, Thushara D. - Department of Information Engineering, Australian National University


Collections: Computer Technologies and Information Sciences