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Keywords:

  • smart antennas;
  • linear array antennas;
  • wireless communications;
  • interference rejection

Abstract

The suitable use of an array antenna at the base station of a wireless communications system can result in improvement in the signal-to-interference ratio (SIR). In general, the SIR is a function of the direction of arrival of the desired signal and depends on the configuration of the array, the number of elements, and their spacing. In this paper, we consider a uniform linear array antenna and study the effect of varying the number of its elements and inter-element spacing on the SIR performance. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 35: 445–449, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10634