Capacity of log-normal fading channels

Authors:
Amine Laourine;Alex Stephenne;Sofiene Affes
Affiliations:
INRS-EMT, Montreal, PQ, Canada;Ericsson Canada, Montreal, PQ, Canada;INRS-EMT, Montreal, PQ, Canada
Venue:
IWCMC '07 Proceedings of the 2007 international conference on Wireless communications and mobile computing
Year:
2007

Citing 3
Cited 2

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Abstract

This paper investigates the capacity of log-normal fading channels with receiver channel state information. We provide a closed-form expression for the ergodic capacity of the log-normal fading channel. Since the developed expression involves an infinite series, we show that the error that results from the truncation of this series is insignificant. Relying on the fact that the sum of log-normal Random Variables (RV) is well approximated by another log-normal RV, we further apply the obtained results to find the capacity of correlated log-normal fading channels with Maximum Ratio Combining and Equal Gain Combining. The analytical expressions obtained match perfectly the capacity given by simulations.