Price is for 4 days
 
Duration
4 days
 
Objectives
On completion of this course, the participant will:
	
Define the key components of the LTE-EPC network
	
Specify roles of various EPC components
	
Appreciate the purpose of PCC functionality in IMS/LTE networks Understand how voice services can be delivered in LTE networks (CSFB
	
and VoLTE)
	
Appreciate how IMS and LTE-EPC are connected
	
Summarize key benefits and challenges of the EPC Describe a high-level session setup using the EPC Discuss how EPC supports inter-technology handover
 
Suitable for
 Professionals in the telecom and datacom business who need technical details on LTE-EPC design. This includes those in a design, test, systems engineering, sales engineering & network engineering.
 
Prerequites
 Mobile or fixed telecom or datacom background is required. GSM and UMTS network architecture & core knowledge.
 
 
Contents
1. Introduction to LTE EPC
	
Overall cellular system architecture Motivation for the EPC
	
Influence of IP convergence
	
EPC as part of EPS
	
Role of IMS
	
Services (VoIP, Web-browsing, and video streaming) in EPC
	
EPC Architecture
	
Core network requirements
	
Pooling of MME and S-GW
	
Legacy core networks
	
Elements of the EPC (HSS, MME, S-GW, and P-GW) and interfaces
 
2. Major Functions of the EPC
	
Authentication and security
	
Policy charging and control and QoS Packet routing
	
Mobility management
	
IP address allocation
	
LTE-EPC network planning
 
3. Network planning process
	
User/Traffic profile
	
Subscriber traffic demand
	
Node and link capacity modelling
 
4. LTE-EPC design process
	
LTE network architecture: nodes and interfaces
	
LTE interworking with UMTS
	
Control-plane user/traffic profile: Network attach, Default bearer establishment, Mobility events, State transition events, and Tracking area updating events
	
Service-plane user/traffic profile: VoIP and other packet services, CSFB
	
The effect of control/user plane traffic separation on LTE-EPC dimensioning
	
User/Traffic profile: signalling events, traffic volume demand
	
MME pools and selection
	
Tracking are planning
	
Design guideline and checklist
	
LTE Signaling Capacity Planning
	
Transport technology options Triggers for establishing a bearer
	
Idle <- -> Connected mode transitions
	
Signaling and data capacity planning for S1, S5, S6a, S10, S11, and Gx
	
Signaling for iRAT
	
Network topology
	
Node Capacity
	
Signalling capacity exercises
	
Session Setup using EPC
	
Overall call flow
	
Interaction between the E-UTRAN and EPC
	
Default IP Connectivity in EPC
	
Engineering requirements Default APN connectivity options QoS rules determination
 
4. Dedicated Bearer and QoS in EPC
	
Transport technology options Dedicated bearer setup operation Service flow and QoS management
	
Mobility and Roaming in EPC
	
Transport technology options Tracking area planning Signaling for S1 handovers Inter-RAT mobility
	
Role of GRX/IPX in EPC roaming
	
Mobility and roaming dimensioning exercises
	
Seamless Inter-technology Handover via EPC
	
EPC architecture for seamless mobility
	
EPC features in support of mobility Handover scenarios (LTE-UMTS, LTE-GSM) Inter-system handover exercises
 
5. CSFB
	
	
CSFB architecture overview
	
	
	
CSFB options to UMTS
	
	
	
CSFB Voice Call MO and MT Signalling
	
	
	
Difference between CSFB-CSFB calls versus CSFB – IMS
	
	
	
Improving CSFB performance through MSC pooling architectures
	
	
	
MT Roaming Forwarding (MTRF) as the newest version of MT Roaming Retry (MTRR) to speed up calls at MSC borders
	
IMS basics
	
	
	
IMS architecture
	
	
	
Nodes (P-CSCF, S-CSCF, I-CSCF, application servers etc) & interfaces
	
	
	
Policy Charging & Control: PCRF & PCEF functionality
	
	
	
Connectivity between IMS and LTE-EPC layers
	
	
	
End-to-End VoIP call
	
	
	
Dedicated bearer establishment
	
	
	
Policy and Charging Control (PCC)
	
	
	
IMS and PCC planning and dimensioning exercises
	
LTE-EPC network design case study covering all discussed topics