NGMNs, 3G, and 4G Networks
7.1 Introduction
The mobile telephone industry has offered vast economic incentives for the network service providers. Coupled with intelligent network (IN) and limited personal services, the mobile services provided to the customers are limited by the intelligence embedded in the mobile service base stations. The role of the base stations in the earlier configurations of the 1970s and 1980s was to provide telephone service connectivity and handover functions necessary to maintain base station contact as the users moved from cell to cell.
Currently, vendors are attempting to offer partially converged services, network function virtualization and Switched Digital Network (SDN) architectures with additional and enhanced ...
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