VoLTE For Radio Engineers – Mobility Optimization and EPS Signaling

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Course description

The training “VoLTE with IMS, EPS Signaling and Optimization of Mobility” has been tailored to suite experienced radio engineers. In addition to the VoLTE/IMS parts, extra content is introduced regarding Mobility functionality and associated parameters necessary to establish a foundation of a well optimized radio network for the VoLTE service to perform optimally. Furthermore, the necessary EPS Signaling is presented. Emerging technologies, systems and platforms are high-lighted. The below listed topics will be discussed and analyzed as they emerge during the course of the training

Target audience

Target audience is experienced Radio Engineers

3 days

2.400 €

WM0077

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Content

3GPP & IETF
  • EPS Entities & Functions
  • EPS Interfaces & Reference Points
  • EPS Connections, Bearers and QoS
 
EPS SIGNALING – INTERFACES, PROTOCOLS & CONTEXTS
  • Protocol Stacks for EPS
  • Radio Protocols
  • The RRC Protocol
  • EPC Protocols
  • The S1 Application Protocol
  • The NAS Protocols (EMM and ESM)
  • The GTP Protocol
  • Encapsulation & Tunneling
  • The SGs interface
  • Allocated Resources
  • Dedicated Bearer Activation
  • GERAN/UTRAN/E-UTRAN Coverage
  • Idle & Connected Mode
  • Contexts
 
DIAMETER and EPC
  • Introduction
  • Diameter Interfaces
  • Diameter Specification Structure
  • Diameter Message Format
  • S13 procedures
  • S6a Location Management procedures
  • Attribute Value Pairs
  • 3GPP Specific Application IDs
 
MOBILITY MANAGEMENT OVERVIEW
  • Mobility in IDLE mode
  • Location Area, Routing Area, Tracking Area
  • Tracking Area based mobility
  • General cell reselection principles
  • Mobility in ACTIVE Mode
  • Intra E-UTRAN mobility with X2 support
  • Inter (3GPP) system mobility
  • Mobility with other non-3GPP access systems
 
VOICE OVER LTE, VOLTE
  • Voice over LTE Concepts
  • Subscriber Requirements for VoLTE
  • Parameters determining user-perceived voice quality
  • Operator Requirements for VoLTE
  • Legacy-based voice options for LTE
  • VoIP solution for VoLTE (GSMA PRD IR.92)
  • Conditions for voice in LTE/EPS
  • User-perceived voice quality tests
 
UE
  • Contexts, UE in idle mode
  • LTE capable UE
  • E-UTRA Terminal Categories
  • UE flowchart in the E-UTRAN
  • Dual registration and ISR
  • Coverage
 
CIRCUIT SWITCHED FALLBACK (CS FALLBACK), REVIEW
    • CSFB Registration
    • Location Update over SGs
    • CS FALLBACK Scenario – MT Call
    • Traffic cases
    • The SGs interface and messages
    • SMS over SGs vs IMS based

Traffic cases SMS

 
SIP OVERVIEW
  • Voice over IP connection
  • Voice over IP using SIP
  • SIP methods
  • SIP extensions
  • SIP – Response Codes, Definitions & Examples
  • Example with SDP
 
IMS
    • The scope of IMS
    • IMS Architecture
    • Registration & Invitation
    • Protocol stack in PGW
    • SIP Invitation, non IMS user
    • Public and Private IMS Identities: IMPI & IMPU
    • IMS Service Profile
    • Traffic Case: IMS Invitation
    • Protocol Stack IMS Profile for voice in EPS
    • IMS Profile for voice
    • IMS Registration & De-registration

B2BUA – Back to Back User Agent

 
VOICE CALL CONTINUITY
    • PS Handovers
    • IMS Service Continuity (ISC) & SRVCC
    • Examples of ISC
    • IMS Centralized Services (ICS)
    • Single Radio Voice Call Continuity (SRVCC)
    • SRVCC EPS Attach
    • SRVCC Registration & Invitation
    • The Sv Interface
    • Examples & Traffic cases

Border functions

 
INTERWORKING
  • Scenarios
  • WM-Map10: Interworking
  • Alternative Scenario (non-IMS specific)

3 days

2.400 €

WM0077

Contact us