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NB-IoT Protocol stack L2L3 and L1-Control and Service Layer
1. 3GPP Release 14/13 compliant (NB-IoT)
2. Hand-coded in ANSI C
3. Unit and system test using Huachang's proven host-test environment
4.Special optimized ASN.1 for NB-IoT
5. Power optimization
-Advanced PSM(Power Saving Mode) design
-Advanced Extended DRX design
6. Ultra-low Footprint(AS & NAS)
target Flash: < 350KB
target RAM: < 100KB
7. Ultra-low MIPS requirements
Peak data throughput scenario
estimate: <30 MIPS
2. Hand-coded in ANSI C
3. Unit and system test using Huachang's proven host-test environment
4.Special optimized ASN.1 for NB-IoT
5. Power optimization
-Advanced PSM(Power Saving Mode) design
-Advanced Extended DRX design
6. Ultra-low Footprint(AS & NAS)
target Flash: < 350KB
target RAM: < 100KB
7. Ultra-low MIPS requirements
Peak data throughput scenario
estimate: <30 MIPS
Features
- Control Plane CIoT EPS optimization
- Data Plane CIoT EPS optimization
- Support for both IP and Non IP modes of Data transfer
- Support for both Attach with PDN Connectivity and without PDN Connectivity
- Serving PLMN rate control
- APN rate control
- SMS
- Support all narrowband system information blocks
- Extended DRX cycles
- PSM
- RoHC
- 2HARQ
- Large TBS(CAT-NB2)
- New Power class(14dBm)
- Positioning
Deliverables
- AS: MAC, RLC, PDCP, RRC
- NAS: EMM, ESM, SMS, NVM-IF, USIM-IF, ATC
- ASN.1
- RoHC
- Layer-1 Control(optional)
- IP & M2M layer(optional)
- full documentation
- graphical debug/regression test system
- stand-alone script editer
Block Diagram of the NB-IoT Protocol stack L2L3 and L1-Control and Service Layer
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