Geographical Location and Load Based Gateway Selection for Optimal Traffic Offload in Mobile Networks
Résumé
To cope with the rapid increase of data traffic in mobile networks, operators are looking for efficient solutions that ensure the scalability of their systems. Decentralization of the network is one of the key solutions. With such solution, small-scale core network nodes (gateways) are locally deployed to serve the local community of users, in a decentralized fashion. In this paper, we devise methods that enable User Equipments (UEs), both in idle and active mode and while being on the move, to always have optimal Packet Data Network (PDN) connections in such decentralized networks. The proposed methods are compared based on their impacts on current 3GPP standards and the benefits of the overall approach are evaluated through simulations. Encouraging results are obtained.
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