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Saving Energy Through National Roaming: A New User Association Scheme

Celebi, Ataberk (2024) Saving Energy Through National Roaming: A New User Association Scheme.

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Abstract:As a result of the rollout of new technologies like 5G and a rise in demand for mobile data and connectivity, Mobile Network Operators (MNOs) need to operate efficiently and sustainably while considering energy prices and operational costs into account. Nevertheless, MNOs face challenges in maintaining service quality and running their applications efficiently. In this paper, we will investigate the potential energy-saving opportunities in cellular networks through inter-operator collaboration, focusing on National Roaming (NR) between MNOs. This collaboration involves sharing infrastructure and dynamically managing network resources to reduce power consumption and operational costs while improving the quality of service (QoS). The research addresses key research questions about NR’s benefits and challenges, its impact on users, and power consumption. Ultimately, we propose a user association scheme that aims to reduce power consumption while considering user requirements with a focus on energy efficiency (EE).The results revealed that National Roaming can improve user satisfaction and lower power consumption compared to no-cooperation scenario between operators. More specifically, when employing our user association scheme, we observed a reduction of 27.78% in power consumption while maintaining better QoS where the fraction of the satisfied population is increased by 28.67% compared to no-cooperation.
Item Type:Essay (Bachelor)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Programme:Electrical Engineering BSc (56953)
Link to this item:https://purl.utwente.nl/essays/101803
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