Introduction to Multimedia Broadcast/Multicast Service (MBMS)
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Course title Introduction to Multimedia Broadcast/Multicast Service (MBMS)
 
Course description MBMS is a point-to-multipoint service in which data is transmitted from a single source to multiple destinations over radio network. Transmitting the same data to multiple recipients allows network resources to be shared. MBMS is realised by addition of existing and new functional entities of the 3GPP architecture.

The MBMS bearer service offers two modes: Broadcast Mode and Multicast Mode. MBMS architecture enables efficient usage of radio-network and core-network resources, with an emphasis on radio interface efficiency. The boundary of the MBMS Bearer Service is the Gmb and Gi reference points. The Gmb provides access to the control plane functions and the Gi the bearer plane. The Broadcast Multicast Service Centre (BM-SC) provides a set of functions for MBMS User Services.

The course covers both Core Network and Radio Access aspects of the MBMS architecture.
 
Who would benefit Those working in the MBMS area and require a tthorough understanding of the architecture and functions of the protocols used at different interfaces Suitable for engineers and R&D managers.
 
Prerequisites Experience of UMTS and IP networks is recommended.
 
Length 1 days
 
Course content
  • MBMS Introduction
  • MBMS services
  • MBMS architecture & functions
  • MBMS service provision
  • MBMS procedures
  • MBMS procedure - Announcement
  • MBMS procedure - Joining
  • MBMS procedure - Session start - Session stop
  • MBMS procedure - Leaving
  • MBMS associated delivery procedures
  • MBMS security
  • MBMS charging
 
Detailed course program MBMS Introduction

  • Principles of broadcasting & multicasting
  • Why MBMS?
  • MBMS capacity among other technologies
MBMS services

  • Classification of services
  • User service requirements
  • Delivery of service using broadcast & multicast
MBMS architecture & functions

  • Reference architecture model
  • New nodes and functions for MBMS
  • BM-SC role and functions
MBMS service provision

  • Broadcast mode service delivery
  • Multicast mode service delivery
MBMS procedures

  • MBMS Notification
  • MBMS Multicast Service Activation
  • MBMS Session Start Procedure
  • MBMS Registration Procedure
  • MBMS Session Stop Procedure
  • MBMS De-Registration Procedure
  • MBMS Multicast Service Deactivation
  • MBMS Session Update procedure
  • MBMS UE Context Synchronisation Procedure
  • Inter SGSN Routeing Area Update
  • Inter SGSN Serving RNS Relocation Procedure
  • MBMS Broadcast Service Activation
  • MBMS Broadcast service de-activation
  • MBMS UE Linking/De-linking mechanism
  • MBMS Service Request Procedure
  • Notification in case of parallel services
MBMS procedure - Announcement

  • Service announcement function in BM-SC
  • Announcement mechanisms
  • Description of content in announcement to users
MBMS procedure - Joining

  • User chooses service and it authorized
  • Preparation of nodes involved in service delivery
  • MBMS Context creation and description
MBMS procedure - Session start - Session stop

  • Decision from BM-SC to start sending data
  • Notification triggers UE action

  • Session stop changes MBMS Context state
MBMS procedure - Leaving

  • User chooses to leave service
  • Actions performed by involved nodes
  • Service still available
MBMS associated delivery procedures

  • File repair
  • Reception reporting
MBMS security

  • Authorization of UE
  • Calculation and delivery of encryption keys
  • Protection of data
MBMS charging

  • Offline and online charging
  • User charging and service provider sharging
  • Initiation and termination of charging for a session