LTE Core Network
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The goal of the LTE System Architecture Evolution (SAE) from the 4G/3GPP is to achieve a high-data-rate, low-latency, packet-optimised system that supports multiple access technologies. Long Term Evolution, as defined in the 4G and 3GPP standards, has described both an evolved Radio Access Network (E-UTRAN) and a new core network strategy termed SAE - System Architecture Evolution.
The main part of SAE is the Evolved Packet Core (EPC), otherwise known as the SAE Core. The new core network is key to achieving the level of performance that LTE must deliver with the sort of low delay across the network that has been hitherto unachievable with GPRS and UMTS.
Upon completion of this course the delegate will be able to:
- Describe the components & functions of the SAE
- Identify the SAE Architecture
- Explain the role of the Policy & Charging Rules Function (PCRF)
- Understand the PCC Rules procedure
- Understand Interworking with other Access methods
- Describe the Circuit Switched Fallback procedure for voice
- Understand the use of IMS & VoIP service
- Understand basic SIP Signalling
- Explain Packet Filtering
- Understand the use of GPRS Tunnelling Protocol (GTP)
- Describe Default EPS Bearer procedures
- Understand the use of DiffServ
- Understand Quality of Service (QoS) requirements
Course Introduction (9 topics)
- Why the change was needed?
- SAE Architecture
- SAE Components & Functions
- The relationship between MME & SGW
- The need for the PCRF
- The Default EPS Bearer
- The use of Service Data Flows (SDF) & Packet Filtering
- The PCEF
- GTP Tunnelling & its use
Evolved Packet Core (8 topics)
- Main Components
- The MME (Mobility Management Entity):
- The SGW (Serving Gateway)
- The PGW (Packet Data Network Gateway)
- The HSS (The Home Subscriber Server)
- The ANDSF (Access Network Discovery Selection Function)
- 3GPP AAA Server
Reference Points and Interfaces (4 topics)
- Interfaces between EPC and the Access Network
- S1: Signalling between Evolved NodeBs and the Core
- S5/S8: SGW to PDNGW
- EPC Internal Interfaces
IMS (5 topics)
- Functional architecture for IMS services
- IP Multimedia Subsystem Entities
- The SCSFs and its role in Multimedia
- Interfaces to Core
- An overview of Session Initiation Protocol (SIP)
Interworking Capabilities (5 topics)
- Interworking with UMTS
- Interworking with CDMA2000/EVDO
- Interworking with a WLAN
- WiFi Offload of Mobile Internet
Delegates should have basic cellular, telecommunications & IP network experience or understanding, no prior knowledge of 4G LTE/SAE is required
The courses below may help you meet the knowledge level required to take this course. If you are unsure please ask a training advisor .
This 3-day course gives delegates an in-depth understanding of LTE and the environment surrounding it.
Please select from the dates below to make an enquiry or booking.
Different pricing structures are available including special offers. These include early bird, late availability, multi-place, corporate volume and self-funding rates. Please arrange a discussion with a training advisor to discover your most cost effective option.