The bit error rate for complex SSC/MRC combiner in the presence of Rayleigh fading

  • Authors:

  • Dragana Krstić;Petar Nikolić;Stefan Panić;Vesad Doljak

  • Affiliations:

  • University of Niš, Niš, Serbia;Tigartyres, Pirot, Serbia;University of Pristina, Kosovska Mitrovica, Serbia;Teachnical School in Novi Pazar, Novi Pazar, Serbia

  • Venue:
  • Proceedings of the 3rd International Conference on Information and Communication Systems
  • Year:
  • 2012

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Abstract

In this paper, the complex Switch and Stay Combining/Maximal Ratio Combining (SSC/MRC) combiner is considered. The system output signal in the presence of Rayleigh fading, at two time instants at the input is observed. Both, SSC and MRC combiners are dual-branches. The probability density function (PDF) at the output of the complex combiner is obtained. Then, the bit error rate (BER) for the special case of binary phase swift keying (BPSK) modulation is determined. The obtained results are shown graphically to point out the improvement because of using the complex SSC/MRC combiner with regard to classical SSC and MRC combiners at one time instant.