January 2018
Intermediate to advanced
524 pages
13h 33m
English
Content preview from Internet of Things for Architects
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4G-LTE geographical areas, dataflow, and handover procedures
Before considering the process of cellular handover, we need to first define the vernacular surrounding areas and network identification. There are three types of geographical areas in an LTE network:
- MME Pool Areas: This is defined as a region where a UE can move without changing the serving MME.
- SGW Service Areas: This is defined as an area where one or more SGW will continue to provide service for a UE.
- Tracking Areas (TA): These define sub-areas composed of small MME and SGW areas that don't overlap. They are used to track the location of a UE that is in standby mode. This is essential for handover.
Each network in a 4G-LTE network must be uniquely identifiable for these services ...
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