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Optimizing the investments in mobile networks and subscriber migrations for a telecommunication operator

机译：优化电信运营商移动网络和订户迁移的投资

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摘要

We consider the context of a telecommunication company that is at the same time an infrastructure operator and a service provider. When planning its network expansion, the company can leverage over its knowledge of the subscriber dynamic to better optimize the network dimensioning, therefore avoiding unnecessary costs. In this work, the network expansion represents the deployment and/or reinforcement of several technologies (e.g., 2G, 3G, 4G), assuming that subscribers to a given technology can be served by this technology or older ones. The operator can influence subscriber dynamic by subsidies. The planning is made over a discretized time horizon while some strategic guideline requirements are required at the end of the time horizon. Following classical models, we consider that the willingness of customers for shifting to a new technology follows an S-shape piecewise constant function. We propose a mixed-integer linear programming formulation, improved through several valid inequalities and a heuristic algorithm. We assess the formulation numerically on real instances.
机译：我们考虑了一家电信公司的背景，同时是基础设施运营商和服务提供商。规划网络扩展时，该公司可以利用其对订户动态的知识来更好地优化网络尺寸，因此避免了不必要的成本。在这项工作中，网络扩展代表了几种技术（例如，2G，3G，4G）的部署和/或加强，假设用户可以由该技术或较旧的订阅者提供服务。操作员可以通过补贴影响用户动态。规划在离散时间地平线上进行，而在时间末将需要一些战略指南要求。在经典模型之后，我们认为客户愿意转换到新技术的意愿遵循S形分段恒定功能。我们提出了一种混合整数线性规划制剂，通过了几种有效的不等式和启发式算法改进。我们在实际情况下数值评估配方。

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