International Journal of Communications, Network and System Sciences

Volume 3, Issue 3 (March 2010)

ISSN Print: 1913-3715   ISSN Online: 1913-3723

Google-based Impact Factor: 1.39  Citations  

Performance of Block Diagonalization Broadcasting Scheme for Multiuser MIMO System Operating in Presence of Spatial Correlation and Mutual Coupling

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DOI: 10.4236/ijcns.2010.33034    5,408 Downloads   10,211 Views  Citations

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ABSTRACT

In this paper, the capacity of a multiuser Multiple Input Multiple Output (MIMO) system employing the block diagonalization broadcasting scheme in presence of spatial correlation and mutual coupling is investigated. It is shown by computer simulations that, in general, the presence of spatial correlation decreases the capacity of a multiuser MIMO system. However, for some particular antenna element spacing mutual coupling decreases the spatial correlation rendering an increased capacity. The optimized diagonalization broadcasting technique with a two-stage power allocation scheme is proposed and verified. The presented simulations results confirm the advantage of the proposed broadcasting scheme.

Share and Cite:

F. Wang, M. Bialkowski and X. Liu, "Performance of Block Diagonalization Broadcasting Scheme for Multiuser MIMO System Operating in Presence of Spatial Correlation and Mutual Coupling," International Journal of Communications, Network and System Sciences, Vol. 3 No. 3, 2010, pp. 266-272. doi: 10.4236/ijcns.2010.33034.

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