Title :
Approximations for lognormally fading optical signals
Author :
Clark, John R. ; Karp, Sherman
Abstract :
A lognormally distributed random variable can be used to approximate accurately a noncentral chi-square random variable, This letter uses this result to approximate the photoelectron count distribution of a lognormally fading optical signal.
Keywords :
Commutation; Fading; Frequency; Machinery; Photodetectors; Polynomials; Random variables; Rotors; Upper bound;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1970.8077
