PIER
 
Progress In Electromagnetics Research
ISSN: 1070-4698, E-ISSN: 1559-8985
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EFFECT OF MUTUAL COUPLING AND CONFIGURATION OF CONCENTRIC CIRCULAR ARRAY ANTENNA ON THE SIGNAL-TO-INTERFERENCE PERFORMANCE IN CDMA SYSTEMS

By R. Fallahi and M. Roshandel

Full Article PDF (521 KB)

Abstract:
The suitable use of an array antenna at the base station of a wireless communication system can result in improvement in signalto- interference ratio (SIR). In the present work, we consider circular array (CA) and concentric circular antenna array (CCAA) that are used for smart antenna systems. The performance criteria for SIR improvement is employed in this paper, is the spatial interference suppression coefficient. We first develop the expression of this figure of merit for CCAA and then analyze and compare the SIR performance for various configurations of eight and nine elements of CA and CCAA, with and without the element in the center by using circular patch antenna are provided. In addition, the effect of mutual coupling (MC) is taken into account.

Citation:
R. Fallahi and M. Roshandel, "Effect of mutual coupling and configuration of concentric circular array antenna on the signal-to-interference performance in CDMA systems," Progress In Electromagnetics Research, Vol. 76, 427-447, 2007.
doi:10.2528/PIER07070104
http://www.jpier.org/PIER/pier.php?paper=07070104

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