NDLI: A general PDF for the signal envelope in multipath fading channels using Laguerre polynomials

Content Provider	IEEE Xplore Digital Library
Author	Abdi, A. Nader-Esfahani, S.
Copyright Year	1996
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Tehran Univ., Iran (Abdi, A.; Nader-Esfahani, S.)
Abstract	Multipath fading usually degrades the performance of communication systems, severely. To describe this random phenomenon, it is necessary to derive expressions for the PDF of the received signal envelope in multipath fading channels. Two expansions for the envelope PDFs are derived under general channel characteristics: an infinite power series and an infinite Laguerre series. Uniform upper bounds are derived for the truncation errors of these two infinite series. Moreover, these uniform upper bounds are minimized using a free parameter /spl beta/, defined consciously. It has also been shown that the Laguerre series is superior to the power series, in the sense that for a fixed number of terms, it yields less truncation error. Based on an extensive literature survey it seems that such closed form expressions for the envelope PDF has not been derived previously, under the general conditions considered.
Starting Page	1428
Ending Page	1432
File Size	521517
Page Count	5
File Format	PDF
ISBN	0780331575
ISSN	10903038
DOI	10.1109/VETEC.1996.503993
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-04-28
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Polynomials Communication systems Upper bound Finite wordlength effects Fluctuations Random variables Degradation Stochastic processes Probability density function
Content Type	Text
Resource Type	Article

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