Stochastic-control of handoffs in cellular networks

Stochastic-control of handoffs in cellular networks

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Article ID: iaor19961903
Country: United States
Volume: 13
Issue: 7
Start Page Number: 1348
End Page Number: 1362
Publication Date: Jul 1995
Journal: IEEE Journal on Selected Areas In Communications
Authors: , ,
Keywords: programming: dynamic
Abstract:

A Dynamic Programming formulation is used to obtain an optimal strategy for the handoff problem in cellular radio systems. The formulation includes the modeling of the underlying randomness in received signal strengths as well as the movements of the mobile. The cost function is designed such that there is a cost associated with switching and a reward for improving the quality of the call. The optimum decision is characterized by a threshold on the difference between the measured power that the mobile received from the base stations. Also the authors study the problem of choosing the ‘best’ fixed threshold that minimizes the cost function. the performance of the optimal and suboptimal strategies are compared.

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