Dependence of MIMO System Performance on the Joint Properties of Angular Power
Betlehem, T.; Lamahewa, T.A.; Abhayapala, T.D.
Information Theory, 2006 IEEE International Symposium on
Volume , Issue , 9-14 July 2006 Page(s):2849 - 2853
Digital Object Identifier   10.1109/ISIT.2006.261660
Summary:In this paper, we use a novel MIMO channel model to characterize the dependence of ergodic capacity and diversity order on the joint statistics of the angular power density. The scattering environment of a MIMO channel is characterized by a double directional angular power distribution, describing the power transferred in each direction from transmitter aperture to receiver aperture. Angular power, which is typically separable Kronecker-modelled, is here generalized to include joint distribution properties using well-known bivariate probability density functions. We show that the joint properties of the power density, namely the shape and the orientation of power distribution contours, have significant impact on capacity and diversity of non-line-of-sight (NLOS) channels

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