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The separation between the control plane and the user plane is a key property of the newly proposed heterogeneous networks that will be widely deployed in 5G. In contrast to the failure of a small cell base station in the user plane which can be directly handled by the associated macrocell base station, the solution to handling a macrocell base station failure in the control plane is less investigated,...
Small cell network strategies are applied for providing enhanced coverage and maximizing system capacity in the network. In such an environment, substantial growth of signalling load on the Core Network (CN) can be caused by reduced cell size, increased user density and increased user velocity. In this paper, in order to reduce the signalling load incurred by path switching operations in the small...
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