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This paper explores how can one virtualize a mobile packet core infrastructure using the IETF Forwarding and Control Element Separation (ForCES) standard and capitalizing on recent advances in networking, namely Software Defined Networking (SDN) and Network Functions Visualization (NFV). As a case in point we build a proof-of-concept (PoC) implementation of the currently standardized 3GPP Evolved...
Efficient coordination among network elements and optimal resource utilization in heterogeneous mobile networks (HMNs) is a key factor for the success of future 5G systems. The COHERENT project focuses on developing an innovative programmable control and coordination framework which is aware of the underlying network topology, radio environment and traffic conditions, and can efficiently coordinate...
In current architectures for infrastructure networks, a single (logically centralized) network element is in charge of managing mobility. As new requirements arise from the widespread use of sophisticated end-user devices, new standard solutions are emerging that challenge the status quo and aim for an evolution toward distributed mobility management.
Mobile carrier networks follow an architecture where network elements and their interfaces are defined in detail through standardization, but provide limited ways to develop new network features once deployed. In recent years we have witnessed rapid growth in over-the-top mobile applications and a 10-fold increase in subscriber traffic while ground-breaking network innovation took a back seat. We...
Although leading mobile network operators (MNOs) enjoy a healthy profit margin, revenues are stagnating while the size of the investment requirements keeps increasing at a rapid pace. In response to the current situation, operators take different directions towards the future. Enter the up-and-coming R&D area of “smart cities” which aims at fostering sustainable urban development through the ubiquitous...
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