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Modelling Load Balancing Mechanisms in Self-Optimising 4G Mobile Networks with Elastic and Adaptive Traffic
Mariusz GŁĄBOWSKI Sławomir HANCZEWSKI Maciej STASIAK
IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Online ISSN: 1745-1345
Type of Manuscript: Special Section PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC2015)
Category: Fundamental Theories for Communications
4G, load balancing mechanism, analytical modelling, self-optimization networks, traffic engineering,
Full Text: PDF(913.5KB)
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This article describes an approximate model of a group of cells in the wireless 4G network with implemented load balancing mechanism. An appropriately modified model of Erlang's Ideal Grading is used to model this group of cells. The model makes it possible to take into account limited availability of resources of individual cells to multi-rate elastic and adaptive traffic streams generated by Erlang and Engset sources. The developed solution allows the basic traffic characteristics in the considered system to be determined, i.e. the occupancy distribution and the blocking probability. Because of the approximate nature of the proposed model, the results obtained based on the model were compared with the results of a digital simulation. The present study validates the adopted assumptions of the proposed model.