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Stochastic Geometry-Based Coverage and Rate Analysis Under Nakagami & Log-normal Composite Fading Channel for Downlink Cellular Networks

Authors
Cho, KuminLee, JunmanKang, Chung G.
Issue Date
6월-2017
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
Composite fading channel; coverage probability; Nakagami-lognormal fading; stochastic geometry; poisson point process; cellular network
Citation
IEEE COMMUNICATIONS LETTERS, v.21, no.6, pp.1437 - 1440
Indexed
SCIE
SCOPUS
Journal Title
IEEE COMMUNICATIONS LETTERS
Volume
21
Number
6
Start Page
1437
End Page
1440
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/83399
DOI
10.1109/LCOMM.2017.2669989
ISSN
1089-7798
Abstract
Modeling the base station deployments with stochastic geometry in the cellular network, we derive the coverage probability and average rate of typical user under a generalized composite fading channel, which is composed of the shadowing and Nakagami-m fading. Unlike the previous work, the current coverage analysis does not involve any numerical integration, allowing for a rather straightforward evaluation of the required signal-to-interference ratio with the given target cellular performance under general channel environments. It approximates a gamma-lognormal distribution, which characterizes an effect of composite fading, as a weighted sum of gamma distributions by the Gaussian-Hermite quadrature for analytical tractability.
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