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- W4361003883 abstract "Telecommunication networks frequently face technological advancements and need to upgrade their infrastructure. Adapting legacy networks to the latest technology requires synchronized technicians responsible for migrating the equipment. The goal of the network migration problem is to find an optimal plan for this process. This is a defining step in the customer acquisition of telecommunications service suppliers, and its outcome directly impacts the network owners' purchasing behaviour. We propose the first exact method for the network migration problem, a logic-based Benders decomposition approach that benefits from a hybrid constraint programming-based column generation in its master problem and a constraint programming model in its subproblem. This integrated solution technique is applicable to any integer programming problem with similar structure, most notably the vehicle routing problem with node synchronization constraints. Comprehensive evaluation of our method over instances based on six real networks demonstrates the computational efficiency of the algorithm in obtaining quality solutions. We also show the merit of each incorporated optimization paradigm in achieving this performance." @default.
- W4361003883 created "2023-03-30" @default.
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- W4361003883 date "2023-05-01" @default.
- W4361003883 modified "2023-09-26" @default.
- W4361003883 title "Network Migration Problem: A Hybrid Logic-Based Benders Decomposition Approach" @default.
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- W4361003883 doi "https://doi.org/10.1287/ijoc.2023.1280" @default.
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