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Article overview
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The {kappa}-{mu} Shadowed Fading Model with Integer Fading Parameters | F. Javier Lopez-Martinez
; Jose F. Paris
; Juan M. Romero-Jerez
; | Date: |
1 Sep 2016 | Abstract: | We show that the popular and general {kappa}-{mu} shad- owed fading model
with integer fading parameters {mu} and m can be represented as a mixture of
squared Nakagami (or Gamma) distributions. Thus, its PDF and CDF can be
expressed in closed-form in terms of a finite number of elementary functions
(powers and exponentials). The main implications arising from such connection
are then discussed, which can be summarized as: (1) the performance evaluation
of communication systems operating in {kappa}-{mu} shadowed fading becomes as
simple as if a Nakagami fading channel was assumed; (2) the {kappa}-{mu}
shadowed distribution can be used to approximate the {kappa}-{mu}
distribution us- ing a closed-form representation in terms of elementary
functions, by choosing a sufficiently large value of m; and (3) restricting the
parameters {mu} and m to take integer values has limited impact in practice
when fitting the {kappa}-{mu} shadowed fading model to field measurements. As
an application example, the average channel capacity of communication systems
operating under {kappa}-{mu} shadowed fading is obtained in closed-form. | Source: | arXiv, 1609.0317 | Services: | Forum | Review | PDF | Favorites |
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