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of SDUs and PDUs facilitates a generic structure for the exchange, sorting, and processing of
information to meet the requirements of functions and capabilities in the EPS framework that
facilitate mobile connectivity. e use of generic processing modules for core network and the
radio-access network functions allows for opportunities for functional virtualization that allows
reductions in both capital and operational costs associated with the EPS.
3.9.3 Radio Resource Management
RRM is applicable to a variety of functions across the physical (layer 1), MAC (layer 2), and signal-
ing layer (layer 3) of the radio-access segment of mobile connectivity. e component functions of
RRM span these three layers. e layers include both ...