Capacity Investigations of MIMO Systems in Correlated Rician Fading Channel Using Statistical Clustered Modelling
Keywords:
Capacity Investigations of MIMO Systems in Correlated Rician Fading Channel Using Statistical Clustered ModellingAbstract
In this paper the capacity of MIMO systems is investigated for different realistic propagation scenarios in Rician fading channel. A nonparametric stochastic model is presented and is used to develop the spatial fading correlation. Uplink statistical MIMO channel is assumed with Laplacian angular energy distributed over multi-clusters situations. Radio waves that are gathered in several clusters distributed over the space domain are assumed to exhibit different power profiles. Capacity investigations for both uniform linear array (ULA) and uniform circular array (UCA) for single cluster and multi-clustered assumptions are presented. The optimum selections of number of elements and spacing between elements are discussed for different values of Angle of Arrival (AoA) and Azimuth Spread (AS). Also, the impact of K factor of the Rician distribution for single and multi-clusters environments is studied under different propagation scenarios.
Downloads
References
A. J. Paulraj, D. Gore, R. U. Nabar and H.
Bolcskei, “An overview of MIMO
communications–A key to gigabit wireless”,
Proceedings of the IEEE, vol. 92, no. 2, pp.
-218, Feb. 2004.
L. Schumacher, K. I. Pedersen and P. E.
Mogensen, “From antenna spacings to
theoretical capacities - guidelines for
simulating MIMO systems”, The 13th IEEE
International Symposium on Personal,
Indoor and Mobile Radio Communications ,
vol. 2, pp. 587-592, 2002.
U.A. Waheed and D.V. Kishore, “Uplink
spatial fading correlation of MIMO channel”,
th IEEE Vehicular Technology
Conference, VTC 2003, vol. 1., pp. 94-98,
J. Tsai and B. D. Woerner, “The fading
correlation of a circular Antenna Array in
Mobile Radio enviroment”, IEEE Global
Telecommunications Conference, vol. 5, pp.
-3236, 2001.
L. Xin and N. Zai-ping, “Spatial fading
correlation of circular antenna arrays with
Laplacian PAS in MIMO channels” IEEE
Antennas and Propagation Society
International Symposium, vol. 4, pp. 3697-
, 2004.
A. Forenza, D. J. Love, and R. W. Heath,
“Simplified Spatial Correlation Models for
Clustered MIMO Channels With Different
Array Configurations” IEEE Transactions
on Vehicular Technology, vol. 56, no. 4 part
, pp: 1924-1934, July 2007.
J. P. Kermoal, L. Schumacher, K. I.
Pedersen, P. E. Mogensen, and F.
Frederiksen, “A stochastic MIMO radio
channel model with experimental validation”,
IEEE Journal of Selected Areas in
Communications, vol. 20, no. 6, pp. 1211-
, Aug. 2002.
P. J. Smith and L. M. Grath, “Exact capacity
distribution for dual MIMO systems in
Ricean fading”, IEEE Communications
Letters, vol. 8, no. 1, pp. 18-20, Jan. 2004
