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http://dx.doi.org/10.5302/J.ICROS.2011.17.7.714

Distributed Load Balancing with Handovers over Mobile Cellular Networks Using Supervisory Control  

Byun, Hee-Jung (Suwon University)
Yang, Yoon-Gi (Suwon University)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.17, no.7, 2011 , pp. 714-719 More about this Journal
Abstract
This paper proposes a scheme for distributed load balancing in mobile communication networks based on supervisory control framework. Using load information exchanged with neighboring cells, the "supervisors" that reside in the base stations distribute load among cells by controlling handover parameters in a distributed manner. The supervisors are designed so that the load difference among neighboring cells are kept under a pre-defined value. Results from systematic analysis and simulation indicate that our scheme effectively balances traffic load among cells and reduces call blocking rate of the overloaded cells.
Keywords
load balancing; congestion; handover; supervisory control;
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