LTE - Network Architecture and Interfaces

LTE - Study: Network Architecture and Interfaces (Daniel Hu Study Note)















Interface with NEs (doc)
http://docs.google.com/Edit?docid=ddh56dhg_15ffmzjbc4
















Functionality in eNodeB:
- All Radio-related issues
- Decentralized mobility management
- MAC and RRM
- Simplified RRC

Functionality in aGW:
- Mobility management entity (MME): Manages and stores the UE control plane context, generates temporary Id, UE authentication, authorisation of TA/PLMN, mobility management
- User plane entity (UPE): Manages and stores UE context, DL UP termination in LTE_IDLE, ciphering, mobility anchor, packet routing and forwarding, initiation of paging
- 3GPP anchor: Mobility anchor between 2G/3G and LTE
- SAE anchor: Mobility anchor between 3GPP and non 3GPP (I-WLAN, etc)

Further Information:
http://docs.google.com/fileview?id=F.fb95caf8-cbac-48aa-bd8a-7543cb5d1797