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LTE Core Network

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  • Review of the 3GPP UMTS and HSPA Evolution
    • UMTS architectural components
    • Migration to all-IP packet mode
    • HSDPA, HSUPA, HSPA+
    • The LTE approach
  • LTE Access Network
    • Evolved NodeB (eNodeB)
    • Interfaces: X2, S1
    • Implementation of the interfaces
    • Backhaul options
  • LTE Core Network
    • Why change the UMTS core?
    • Major change items
    • EPC entities and functionality
      • Mobility management entity
      • Serving gateway
      • Packet data network gateway
      • Home Subscriber Server (HSS)
      • Interfaces
      • Bearers and signaling
      • Protocol stacks
    • Additional interfaces and entities for interworking
  • IP Multimedia System (IMS)
    • IMS structure
    • IMS components and functionality
    • Public and private identities
    • SIP
    • Session control
    • QoS and policy control
    • Example session procedures
  • EPC Interfaces, Protocols and Signaling
    • S-series interfaces defined by 3GPP
    • S1-U interface and protocol stack
    • S1AP interface and protocol stack
    • S1AP services and functions
    • S1AP procedures
    • Bearer management
    • Context management
    • Handover signaling
    • GTPv2-C protocol stack
    • GTPv2-C format and message structure
    • Path management
    • Tunnel management
    • Mobility management
    • Where and how other S-series interfaces are used
    • Protocols used over other S-series interfaces
      • Diameter, GRE, PMIP
  • Non-Access Stratum Signaling
    • NAS states and transitions
    • NAS security
    • Integrity protection
    • NAS protocols
    • Evolved Mobility Management (EMM) signaling
    • Evolved Session Management (ESM) signaling
    • ESM, EMM Procedure examples
  • Interworking Features of SAE
    • Interworking with UMTS and earlier 3GPP networks
    • Interworking with WLANs
    • Interworking with trusted non-3GPP networks (CDMA)
    • Handovers
    • Signaling message flows for interworking scenarios
    • Handling voice
  • Services
    • The role of OMA
    • The role of CAMEL
    • PoC
    • Presence
    • MBMS
  • NGN Transport Architecture
    • Components of NGN transport
    • Pre-NGN services
    • New services
    • OSI layering
  • MPLS
    • MPLS: What it is, its benefits, and where to use it
    • Layer 2 switching vs Layer 3 routing
    • Principles of label switching:
      • Terminology, components, label distribution
    • Label switched paths:  Establishment, operation, tunneling
    • Label distribution methods
    • Label assignment methods:  Independent, ordered
    • Impact of different label retention methods
    • LDP, CR-LDP, RSVP, PIM
    • Carrier-class MPLS
    • MPLS-TE
    • Traffic protection
    • VPLS, H-VPLS
  • Physical Medium Technologies for NGN Transport
    • SDH
    • Ethernet, Carrier grade Ethernet:  Metro Ethernet
    • CWDM, DWDM
    • PONs
    • Fiber to the premises
  • SDH and Next Generation SDH
    • Review of SONET and SDH
    • Concatenation
    • Can existing SDH be used in NGN transport?
    • GFP
    • Virtual concatenation
    • LCAS
    • Circuit Emulation Services
  • Fiber Transport
    • NGN requirements
    • Transmitters and receivers
    • Wavelength considerations
    • WDM, CWDM, DWDM
    • FTTx options
    • PONs: APON, BPON, GPON, EPON
    • Transition to Ethernet-based systems
    • IEEE 802.3
    • Optical Ethernet options
    • EFM
    • Gigabit, 10G and 100G Ethernet
    • IEEE 802.1Q VLANs, Q-in-Q, MAC-in-MAC
    • Aggregation and protection options
  • Pseudo Wire Emulation
    • Traditional carrier services
    • Carrier services across an NGN
    • PWE3 structure and requirements
    • Encapsulation methods:
      • FR, PPP, ATM, Ethernet over MPLS
    • Examples of PWE3 emulation
  • Wrap-up
    • Course recap and Q/A
    • Evaluations

 

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