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K distribution: an appropriate substitute for Rayleighlognormal distribution in fadingshadowing wireless channels
 

Summary: 1
K distribution: an appropriate substitute for Rayleigh­lognormal
distribution in fading­shadowing wireless channels
A. Abdi and M. Kaveh
Indexing terms: Rayleigh­lognormal distribution, K distribution, fading, shadowing,
wireless channel
Rayleigh­lognormal distribution, proven useful for modeling fading­shadowing wireless
channels, has a complicated integral form. In this paper we have accurately approximated it
by the K distribution. This distribution is simpler and thus more appropriate for analysis and
design of wireless communication systems.
Introduction: Rayleigh­lognormal distribution is a mixture of Rayleigh and lognormal
distributions [1]:
f u f uV v f v dv u
U U V V
( ) ( ) ( )
= = ³

# 0
0 (1)
where f uV v

  

Source: Abdi, Ali - Department of Electrical and Computer Engineering, New Jersey Institute of Technology

 

Collections: Engineering