January 2018
Intermediate to advanced
524 pages
13h 33m
English
Content preview from Internet of Things for Architects
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4G-LTE E-UTRAN protocol stack
The 4G-LTE stack has similar characteristics to other derivatives of the OSI model, however, there are other characteristics of the 4G control plane, as can be seen in the figure. One difference is that the Radio Resource Control (RRC) has extensive reach throughout the stack layers. This is called the control plane. This control plane has two states: idle and connected. When idle, the UE will wait in a cell after associating with it and may monitor a paging channel to detect if an incoming call or system information is targeted at it. In the connected mode, the UE will establish a downlink channel and information on the neighbor cell. The E-UTRAN will use the information to find the most suitable cell at the ...
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