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Ambient Networks Media Delivery in the 3GPP Framework. Author: Outi Koski Supervisor: Heikki H ämmäinen Instructor: Andreas Schieder Ericsson Eurolab, Aachen, Germany. Contents. Ambient Networks Media Delivery Thesis Tasks IMS Concept development Concept implementation

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ambient networks media delivery in the 3gpp framework

Ambient Networks Media Delivery in the 3GPP Framework

Author: Outi KoskiSupervisor: Heikki HämmäinenInstructor: Andreas SchiederEricsson Eurolab, Aachen, Germany

contents
Contents
  • Ambient Networks
    • Media Delivery
  • Thesis Tasks
  • IMS
  • Concept development
  • Concept implementation
    • Feasibility Study
  • Conclusions
  • Future Work
ambient networks
Ambient Networks
  • A project for mobile and wireless systems beyond 3G
  • Designs an affordable and scalable mobile communication network, that opens up new ways to communicate, for billions of people and devices
  • Aims at the definition of a ubiquitous Control Space (Ambient Control Space, ACS) applicable for various types of networks
  • Promotes network intelligence and the optimal use of network resources. Provides ways to overcome technology differences and operator boundaries
ambient media delivery
Ambient Media Delivery

Media Server

Media Client

Media Port

3G

WLAN

3G

WLAN

network abstractions
Network Abstractions

Ambient Network A

Ambient Network B

Application

Session

Application

Applications

AmbientNetworkInterface

BearerEndpoint

BearerEndpoint

BearerAbstraction

Intermediary

Bearer

FlowEndpoint

Flow Endpoint

Flow

ConnectivityAbstraction

Flow Transit

Node

Connectivity

Link

Path

Source: Ambient Networks

ambient media delivery principles
Ambient Media Delivery Principles
  • The network complexity is hidden from the users and applications with abstractions
  • The network provides the routing, content adaptation and caching which meet the user needs
  • The routing is adapted according to the changes in the network
  • The complexity increases only in the transcoders (media ports) and not in the end devices
how to realize these concepts
How to realize these concepts?

?

The Ambient Networks project provides concepts without relations to the current network architecture

thesis tasks
Thesis tasks
  • Literature Study
    • Ambient Networks
    • Media Delivery
    • IP Multimedia Subsystem
  • Concept Development
    • Ambient Networks Media Delivery in the IMS
  • Concept Implementation
    • Assembly of the IMS testbed
    • Feasibility Study
  • Evaluation of the Results
ims architecture
IMS Architecture
  • A part of the 3GPP Network Architecture
  • Designed to deliver IP multimedia services for mobile phone users
developed service concept an
Developed Service Concept - AN

Media Server

Media Client

2. Media is delivered to the receivers

Media Client

1. Media is uploaded to the server

Media Port

Media Client

3. Adaption is used when needed

developed service concept ims
Developed Service Concept - IMS

ControlData

Application Server

UE

P-CSCF

UE

S-CSCF

P-CSCF

MRF

UE

concept principles
Concept Principles
  • The research in this thesis concentrated only on the Control Part of the solution
  • All signaling is based on SIP
  • Sender uploads the media to a server
  • Uploaded content is identified with a Media Stream URI
  • The possible receivers are notified about the content
  • The receivers may initiate a download sequence with the Media Stream URI
feasibility study
Feasibility Study
  • The possible components for an IMS testbed were searched

 A combination of Fokus Open Source IMS Core and Ericsson Service Development Studio was used

  • Unfortunately no suitable MRF emulation was found  A MRF emulation will be developed and added in the future
  • The control part of the model and its feasibility was studied
the implementation
The Implementation

Client

IMS Core:- S-CSCF- I-CSCF- P-CSCF- HSSbind for DNS

Application Server

WLAN

Own contribution:

Configuration of the system, Software development for the Client and the Application Server, Service Trigger for the HSS

conclusions
Conclusions
  • For the implemented parts of the Ambient Networks Media Delivery Concept, IMS as an implementation base works
  • The research has to be continued to be sure of the whole concept
  • The platform for the client and server solutions was not found as flexible as needed
    • Difficulties not related to IMS standards but internal functions of the platform
  • The case MRF
    • No flexible emulations available
    • The concept of MRF (control, capabilities) still evolves in 3GPP
future work
Future Work
  • Step 1: Add the user plane
  • Step 2: Add the MRF
  • Step 3: Include more IMS domains
  • Step 4: Include other access types
  • This thesis was the first step of a bigger project