Los and Nlos channel capacities for MIMO polarization diversity

  • Authors:
  • Nuttapol Prayongpun;Kosai Raoof

  • Affiliations:
  • Laboratoire des Images et Signaux, CNRS, UMR, Saint Martin d'Hères, France;Laboratoire des Images et Signaux, CNRS, UMR, Saint Martin d'Hères, France

  • Venue:
  • ICCOM'06 Proceedings of the 10th WSEAS international conference on Communications
  • Year:
  • 2006

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Abstract

As a result of the desired high-data transmission rate in the outdoor and indoor environment, an exploitation of multiple-input multiple output (MIMO) systems appears recently under the condition of rich scattering environments. The MIMO channel, correponding really to transmission capacity, is obviously characterized by antenna configuration and propagation environment. In this paper, we assume that all scatterers are uncorrelated, independent and identically distributed (i.i.d). In addition, we investigate the channel capacity of single, dual and triple polarized dipole antennas compared to omni-vertical and omni-horizontal antennas based on 2×2 and 3×3 MIMO systems for narrow transmission bandwidth. Moreover, the results of simulations illustrate that while the antenna correlation is eliminated by polarization diversity technique, the problems of cross-polar discrimination (XPD) and line of sight (LOS) can be also resolved.