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Distributed Load Balancing with Handovers over Mobile Cellular Networks Using Supervisory Control
IEICE TRANSACTIONS on Communications
Publication Date: 2011/09/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Network Management/Operation
load balancing, supervisory control,
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This paper proposes a scheme for distributed load balancing in mobile communication networks based on a supervisory control framework. Using load information exchanged with neighbors, the “supervisors” that reside in the base stations distribute the 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 threshold. Simulations show that our approach can effectively balance load among cells and thus reduce call blocking rate of the overloaded cells.