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Analysis of accessing to the nearest and to the strongest base station in femtocell networks
Author(s) -
Zhang Huanle,
Liu Jian,
Shi Haili
Publication year - 2014
Publication title -
international journal of communication systems
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.344
H-Index - 49
eISSN - 1099-1131
pISSN - 1074-5351
DOI - 10.1002/dac.2851
Subject(s) - femtocell , computer science , base station , computer network , base (topology) , telecommunications , computer security , mathematics , mathematical analysis
Summary The deployment of femtocells can effectively improve the capacity of cellular networks without significant increase in the network management costs. Femtocell base stations are usually installed by users, which poses unique challenges for future mobile communication standards. The randomness of the locations of femtocells brings us many difficulties to analyze and compare. In this paper, we explore the performance on two different access methods under Rayleigh fading channel: accessing to the nearest and accessing to the strongest femtocell base station. Two performance indexes are of most interest in this paper: how the different path loss exponents and femtocell densities affect the difference of performance between the two different access methods. In the first part of this paper, the distributions of received strength for both access methods are achieved, in which we elaborate the characteristics of received signal strength including the cumulative distribution and the median signal strength. In the second part, we explore the characteristic of SINR distribution, which can be interpreted as the probability of coverage. This paper provides detailed illustrations about how performance changes for these two different access methods under Rayleigh fading channel. All results are mathematically tractable. Copyright © 2014 John Wiley & Sons, Ltd.