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Analysis of fading statistics in cellular mobile communication systems

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Abstract

Spatial channel models are often proposed for modeling the angular aspects of mobile radio channel in picocell, microcell, and macrocellular environments. These models are validated through comparison with available measurement results. The comparisons are usually based on the fitness of their pdfs of angle of arrival to the histogram of occurrences of the signals over an angular span, given in the measurement data. This paper presents a comparison of the notable scattering models with various spatial channel measurements. The paper suggests criteria for the comparative analysis of the previously proposed spatial channel models and measurements on the basis of their fading statistics. Quantitative analysis of the considered models and the field measurements is also presented using multipath shape factors i.e. angle spread, the angular constriction and direction of maximum fading. Based on the obtained shape factors, fading statistics like level crossing rates, average fade duration, auto-covariance and coherence distance are evaluated. Effect of increasing Doppler spread on the level crossing rates and average fade duration is also elaborated in detail.

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Authors and Affiliations

  1. COMSATS Institute of Information Technology, Abbottabad, Pakistan

    Zia M. Loni

  2. Muhammad Ali Jinnah University, Islamabad, Pakistan

    Noor M. Khan

Authors
  1. Zia M. Loni
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  2. Noor M. Khan
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Correspondence to Zia M. Loni.

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Loni, Z.M., Khan, N.M. Analysis of fading statistics in cellular mobile communication systems. J Supercomput 64, 295–309 (2013). https://doi.org/10.1007/s11227-012-0799-1

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  • DOI: https://doi.org/10.1007/s11227-012-0799-1

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