A Tight Closed-Form Approximation of the Log-Normal Fading Channel Capacity

Heliot, F, Chu, X, Hoshyar, R and Tafazolli, R (2009) A Tight Closed-Form Approximation of the Log-Normal Fading Channel Capacity IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 8 (6). 2842 - 2847. ISSN 1536-1276

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Abstract

The log-normal probability distribution has been commonly used in wireless communications to model the shadowing and, recently, the small-scale fading for indoor ultrawideband (UWB) communications. In this paper, a tight closed-form approximation of the ergodic capacity over log-normal fading channels is derived. This expression can be easily used to evaluate and compare the ergodic capacities of communication systems operating over log-normal fading channels. We also utilize this expression to show that the capacity of a multi-antennas UWB system operating over the IEEE 802.15.3a channel can be improved mainly through receive diversity.

Item Type:	Article
Uncontrolled Keywords:	Science & Technology, Technology, Engineering, Electrical & Electronic, Telecommunications, Engineering, Log-normal distribution, fading channels, ergodic capacity, closed-form, hyperbolic functions, RANDOM-VARIABLES, MIMO CHANNEL, SUM, ERROR
Related URLs:	Author
Divisions:	Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research
Depositing User:	Fabien Heliot
Date Deposited:	12 Nov 2010 09:37
Last Modified:	23 Sep 2013 18:39
URI:	http://epubs.surrey.ac.uk/id/eprint/2619

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