TY - GEN

T1 - MIMO channel correlation in general scattering environments

AU - Lamahewa, Tharaka A.

AU - Kennedy, Rodney A.

AU - Abhayapala, Thushara D.

AU - Betlehem, Terence

PY - 2006

Y1 - 2006

N2 - This paper presents an analytical model for the fading channel correlation in general scattering environments. In contrast to the existing correlation models, our new approach treats the scattering environment as non-separable and it is modeled using a bi-angular power distribution. The bi-angular power distribution is parameterized by the mean departure and arrival angles, angular spreads of the univariate angular power distributions at the transmitter and receiver apertures, and a third parameter, the covariance between transmit and receive angles which captures the statistical interdependency between angular power distributions at the transmitter and receiver apertures. When this third parameter is zero, this new model reduces to the well known " Kronecker" model. Using the proposed model, we show that Kronecker model is a good approximation to the actual channel when the scattering channel consists of a single scattering cluster. In the presence of multiple remote scattering clusters we show that Kronecker model over estimates the performance by artificially increasing the number of multipaths in the channel.

AB - This paper presents an analytical model for the fading channel correlation in general scattering environments. In contrast to the existing correlation models, our new approach treats the scattering environment as non-separable and it is modeled using a bi-angular power distribution. The bi-angular power distribution is parameterized by the mean departure and arrival angles, angular spreads of the univariate angular power distributions at the transmitter and receiver apertures, and a third parameter, the covariance between transmit and receive angles which captures the statistical interdependency between angular power distributions at the transmitter and receiver apertures. When this third parameter is zero, this new model reduces to the well known " Kronecker" model. Using the proposed model, we show that Kronecker model is a good approximation to the actual channel when the scattering channel consists of a single scattering cluster. In the presence of multiple remote scattering clusters we show that Kronecker model over estimates the performance by artificially increasing the number of multipaths in the channel.

UR - http://www.scopus.com/inward/record.url?scp=33750949034&partnerID=8YFLogxK

M3 - Conference contribution

SN - 1424402131

SN - 9781424402137

T3 - Proceedings - 7th Australian Communications Theory Workshop, 2006

SP - 93

EP - 98

BT - Proceedings - 7th Australian Communications Theory Workshop, 2006

T2 - 7th Australian Communications Theory Workshop, 2006

Y2 - 1 February 2006 through 3 February 2006

ER -