Optimal prioritized channel allocation in cellular mobile systems

Optimal prioritized channel allocation in cellular mobile systems

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Article ID: iaor20013372
Country: United Kingdom
Volume: 28
Issue: 4
Start Page Number: 345
End Page Number: 356
Publication Date: Apr 2001
Journal: Computers and Operations Research
Authors: ,
Keywords: heuristics
Abstract:

Under the cutoff priority discipline, the optimal prioritized channel allocation problem is formulated, which minimizes the weighted average blocking probability of handoff calls while ensuring the prespecified grade of service for new calls and the co-channel interference constraints. We use the concept of pattern to deal with the problem more conveniently. Using Lagrangean relaxation and subgradient optimization techniques, we obtain high-quality solutions with information about their deviations from true optimal solutions. Computational experiments show that our method works very well.

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