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On the use of packet scheduling in self-optimization processes: Application to coverage-capacity optimization

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3 Author(s)
Combes, R. ; Orange Labs., Issy-les-Moulineaux, France ; Altman, Z. ; Altman, E.

Self-organizing networks (SON) is commonly seen as a way to increase network performance while simplifying its management. This paper investigates Packet Scheduling (PS) in the context of self-optimizing networks, and demonstrates how to dynamically improve coverage by adjusting the scheduling strategy. We focus on α-fair schedulers, and we provide methods for calculating the scheduling gain, including several closed form formulas. We then propose a coverage-capacity self-optimization scheme based on α-fair schedulers. The method uses Key Performance Indicators (KPIs) to calculate the optimal α in both simple and efficient manner. A simple use case illustrates the implementation of the SON feature and simulation results show the important coverage gains that can be achieved at the expense of very little computing power.1

Published in:

Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt), 2010 Proceedings of the 8th International Symposium on

Date of Conference:

May 31 2010-June 4 2010

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