Performance evaluation for conventional and MMSE multiuser detection algorithms in imperfect reception conditions

  • Authors:

  • Simona Viorica Halunga;Nicolae Vizireanu

  • Affiliations:

  • Faculty of Electronic, Telecommunications and Information Technology, University “Politehnica” of Bucharest, Iuliu Maniu, 1-3, 061071 Bucharest, Romania;Faculty of Electronic, Telecommunications and Information Technology, University “Politehnica” of Bucharest, Iuliu Maniu, 1-3, 061071 Bucharest, Romania

  • Venue:
  • Digital Signal Processing
  • Year:
  • 2010

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Abstract

This paper presents three multiuser detectors structures: the conventional detector, the MMSE and the adaptive detector. The error probability performances are evaluated and compared one another, as functions of signal to noise ratio, for a system with four users, and different intercorrelation coefficients and users amplitudes. Based on those simulations, a number of conclusions are drawn with respect to the effects of the intercorrelation between users or unequal amplitudes on the detectors performances.