2.1 Deployment strategy
l Compact Deployment
As is shown in the figure 126.96.36.199-2, Compact Deployment integrates almost all the network elements in one IPC(Industrial Personal Computer), including MME, SGW, PGW and HSS. The management and maintenance are much easier than traditional way.
l Virtualized Deployment
As is shown in the figure 188.8.131.52-1, virtualized Deployment takes use of general x86 server as the platform. The function can be NFV element and deployed in the data center. Or, the network elements can be directly deployed on the X86 server to reduce the CAPEX. In Addition, IPLOOK could deployall the network elements into one sever like compact Deployment, and could also deploy every different network elements into different severs, according to custom’s personal needs.
l Standard Carrier Grade Deployment
As is shown in the figure 184.108.40.206-1, Standard Carrier Grade EPC uses the ATCA chassis as the hardware platform. The MME/SGW/PGW/HSS can be stand-alone or integrated in one chassis according to the capacity requirement.
3 NB-IoT Feature Lists
3.1 Terminals Power Saving Management
l Extended periodic timer
l PSM mode
l NB-IoT eDRX parameter
3.2 Data Transmission Optimization
l CP-CIoT for Control Plane Optimization
l UP-CIoT for User Plane Optimization
l Non- IP transmission
3.3 Recommended Cells and eNBs for Paging to Enhance Coverage Level
3.4 Overload control
l Signaling block control based on UE Back-off Timer
l APN block control based on PGW Back-off Timer
3.5 Rate Control
l Terminals’ access rate control based on APN
l Terminals’ access rate control based on PLMN
4 IPLOOK’s EPC roadmap