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E-grāmata: IMS Multimedia Telephony over Cellular Systems: VoIP Evolution in a Converged Telecommunication World

(Section Manager (Oy LM Ericsson AB)), (Ericsson Research), (Ericsson Research), (Ericsson Research)
  • Formāts: PDF+DRM
  • Izdošanas datums: 06-Feb-2007
  • Izdevniecība: John Wiley & Sons Inc
  • Valoda: eng
  • ISBN-13: 9780470061459
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IMS Multimedia Telephony over Cellular Systems: VoIP Evolution in a Converged Telecommunication WorldPalielināt
  • Formāts: PDF+DRM
  • Izdošanas datums: 06-Feb-2007
  • Izdevniecība: John Wiley & Sons Inc
  • Valoda: eng
  • ISBN-13: 9780470061459
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Chakraborty et al. (Ericsson Research, Finland and Sweden) offer a comprehensive overview of the multimedia telephony service that will enable enriched telephony for mobile users. They argue that multimedia telephony can surpass the legacy CS telephony service in capacity and quality when using the WCDMA HSPA air interface. They describe how it works, performance requirements, the architecture of the IMS system, session control, media flow, security components and mechanisms, system performance, and related services. The intended audience is engineers, designers, researchers, managers, telecommunications companies, and those at universities. Annotation ©2007 Book News, Inc., Portland, OR (booknews.com)

IMS Multimedia Telephony service has been standardized in 3GPP as the replacement of the circuit switched telephony service in cellular networks. The multimedia telephony service consists of several service components such as voice, video and text. ‘IMS Multimedia Telephony over Cellular Systems’ provides a comprehensive overview of the service that will enable enriched telephony for mobile users. Enriched telephony fulfils the user’s desire to communicate in new ways, for example by sharing pictures and video clips.

In addition to an overview of the Multimedia Telephony service, the book focuses on the modern media processing methods, which allows the quality of the packet switched voice and video telephony not only to match but also possibly exceed the quality of circuit switched telephony. Such key components as adaptive jitter buffering and adaptation of conversational media are explained in detail.

Key features:

  • Detailed description of how Multimedia Telephony sessions are set-up and controlled
  • Analysis showing the capacity and quality of VoIP and Multimedia Telephony in cellular networks
  • Coverage of other IMS services such as PoC specified by 3GPP and OMA
  • Description of suitable QoS and radio bearers for Multimedia Telephony
  • Explanation of the modern radio interface, especially High Speed Packet Access, which is based on concepts such as link adaptation and fast hybrid ARQ

The possibilities for the current and future standards covered in this book make it an indispensable resource for engineers, designers and researchers in VoIP, telecommunication companies and universities teaching and conducting research in telecommunications. It will also be of interest to managers needing an in-depth knowledge of the engineering and key issues of this complex technology, and students aspiring to develop a career in this area.

Preface.
Acknowledgments.
Glossary.
1 Introduction (Shyam Chakraborty, Tomas Frankkila).
1.1 ConvergenceofNetworkingParadigms.
1.2 IMS and the IMS Multimedia Telephony Service.
1.3 RequirementsandChallenges.
1.4 Outline of This Book.
2 The Multimedia Telephony Communication Service (Daniel Enstr¨om, Krister Svanbro, Per Synnergren).
2.1 BenefitswithIMS.
2.2 IMSCommunicationServices.
2.2.1 AnIMSApplicationExample.
2.3 Multimedia Telephony Service Scenario.
2.4 Summary of the Multimedia Telephony Communication Service.
3 Network Architecture and Service Realization (Gonzalo Camarillo, Shyam Chakraborty, Janne Peisa, Per Synnergren).
3.1 Public Switched Telephone Network and Integrated Service Digital Network
3.2 DataNetworks andthe Internet.
3.2.1 InternetProtocolArchitecture.
3.2.2 The Internet.
3.2.3 InternetProtocol.
3.3 CellularSystems.
3.3.1 Radio Access.
3.3.2 Radio Access Evolution.
3.3.3 CoreNetwork.
3.4 Quality of Service.
3.4.1 QoSAttributes.
3.5 The IP Multimedia Subsystem.
3.5.1 The Home Subscriber Server and the Subscription Location Function
3.5.2 The Call/Session Control Functions.
3.5.3 Proxy-CSCF.
3.5.4 Serving-CSCF.
3.5.5 Interrogating-CSCF.
3.5.6 TheApplicationServers.
3.5.7 The Multimedia Resource Function.
3.5.8 PSTNInterworkingFunctions.
3.5.9 IPv4/IPv6InterworkingFunctions.
3.5.10 Charging.
3.5.11 PolicyandChargingControl.
3.5.12 Home andVisitedDomains.
3.6 TheTISPANNextGenerationNetwork.
3.7 Multimedia Telephony Realization.
3.7.1 CoreNetworkandServiceLayerRealization.
3.7.2 Outline of a Radio Bearer Realization.
4 Session Control (Gonzalo Camarillo, Per Synnergren).
4.1 SIP.
4.1.1 Logical Entities.
4.1.2 IMSRegistration.
4.1.3 IMSSessionEstablishment.
4.2 SignalingCompression.
4.3 Controlling QoS.
4.3.1 GPRSSessionManagementSignaling.
4.3.2 PolicyControlSignaling.
4.4 Establishment of Multimedia Telephony Sessions.
4.4.1 Using Mobile Terminal Initiated QoS.
4.4.2 Using Network Initiated QoS.
4.5 Modification of Multimedia Telephony Sessions.
4.5.1 TheSIPINVITEMethod.
4.5.2 TheSIPUPDATEMethod.
4.6 Release of Multimedia Telephony Sessions.
4.7 Supplementary Services.
4.7.1 CommunicationDiversion.
4.7.2 Conference.
4.7.3 Message Waiting Indication.
4.7.4 OriginatingIndicationPresentation/Restriction.
4.7.5 TerminatingIndicationPresentation/Restriction.
4.7.6 CommunicationHold.
4.7.7 CommunicationBarring.
4.7.8 ExplicitCommunicationTransfer.
4.7.9 Communication Diversion: Communication Forwarding onMobile
Subscriber Not Reachable.
4.8 InterworkingwithCSNetworks.
5 Media Flow (Daniel Enstr¨om, Tomas Frankkila, Per Fr¨ojdh, Janne Peisa, Krister Svanbro).
5.1 MediaCoding.
5.1.1 Speech.
5.1.2 Video.
5.1.3 Text.
5.2 Protocols.
5.2.1 Real-TimeTransportProtocol.
5.2.2 Speech.
5.2.3 Video.
5.2.4 Text.
5.2.5 SDP.
5.3 MediaTransportProcessing.
5.3.1 Definition.
5.3.2 Jitter as a Characteristic of PS transport.
5.3.3 Speech Transport Processing – Jitter.
5.3.4 Speech Transport Processing – Packet Loss Concealment.
5.3.5 VideoTransportProcessing.
5.4 MediaControl.
5.4.1 End-to-EndAdaptation.
5.4.2 User InducedSessionAdaptation.
5.5 HeaderCompression.
5.6 RadioRealization.
5.6.1 UMTS.
5.6.2 EDGE.
5.6.3 OtherNetworks.
5.6.4 Example Delay Budget for HSPA.
5.7 Interworking.
5.7.1 Speech.
5.7.2 Video.
5.7.3 Text.
5.8 Media Configurations for Multimedia Telephony.
5.8.1 Speech.
5.8.2 Video.
5.8.3 Text.
5.8.4 Protocols.
5.8.5 Jitter Buffer Requirements.
5.8.6 Media andSessionAdaptation.
5.8.7 SDPExamples.
6 Security (Rolf Blom, Yi Cheng, Vesa Lehtovirta, Karl Norrman, G¨oran Schultz).
6.1 IMSSecurityOverview.
6.2 Access Domain Security.
6.2.1 UMTSAuthenticationandKeyAgreement.
6.2.2 Traffic Protection Offered by GSM and UMTS in the Access NW.
6.2.3 Internode Security.
6.3 IMSSecurityMechanisms.
6.3.1 Identities.
6.3.2 SourceAuthenticationofSIPSignaling.
6.3.3 AuthenticationandAuthorization.
6.3.4 IMSSignalingSecurity.
6.3.5 SecurityAspects ofPolicyEnforcement inIMS.
6.4 Outlook.
6.4.1 Fixed–MobileConvergence.
6.4.2 MediaSecurity.
6.4.3 Spam over IP Telephony.
7 Performance (Tomas Frankkila, Janne Peisa, Per Synnergren).
7.1 ApplicationModels.
7.2 ServicePerformanceRequirements.
7.2.1 VoicePerformanceRequirements.
7.2.2 SummaryofVoicePerformanceRequirements.
7.2.3 VideoPerformanceRequirements.
7.2.4 Multimedia Performance Requirements.
7.3 Capacity.
7.3.1 SimulationSettings.
7.3.2 OverviewofVoiceCapacity.
7.3.3 DownlinkVoiceCapacity.
7.3.4 UplinkVoiceCapacity.
7.3.5 Video and Multimedia Capacity.
7.4 Coverage.
7.4.1 VoiceCoverage.
7.5 TransportCharacteristics.
7.5.1 End-to-EndCharacteristics.
7.5.2 Characteristics forMediaGateways.
7.6 Service Quality.
7.6.1 Quality Assessment Method.
7.6.2 Performancewith theDelayScheduler.
7.6.3 Performancewith theMax-CQIScheduler.
7.6.4 Performance with the Proportional-Fair Scheduler.
7.6.5 Performance with the Round-Robin Scheduler.
7.6.6 Analysis ofPacketLossBursts.
7.7 CallSetupDelays.
7.7.1 GeneralAssumptions.
7.7.2 IMSandSIPAssumptions.
7.7.3 UMTSAssumptions.
7.7.4 DelayCalculation.
8 Other IMS Communication Services (Per Synnergren).
8.1 3GPPCSICS.
8.1.1 CSICSArchitecture.
8.1.2 Interoperability with Multimedia Telephony.
8.1.3 WeShare: a 3GPPCSICSServiceExample.
8.2 OMAPoC.
8.2.1 OMAPoCRelease 1Standardization.
8.2.2 OMAPoCRelease 1Architecture.
8.2.3 OMAPoCTalkBurstControl.
8.2.4 OMA PoC Session Establishment Methods.
8.2.5 OMAPoCandPDPContextEstablishment.
8.2.6 OMAPoCMediaConsiderations.
8.2.7 OMAPoCRelease 2.
8.3 OMAInstantMessaging.
8.3.1 OMAInstantMessagingArchitecture.
8.3.2 InstantMessagingModes.
8.3.3 OMAInstantMessagingMediaTypes.
8.4 Presence andListManagement.
8.4.1 PresenceSimple.
8.4.2 ListManagement.
9 Summary (Per Synnergren, Janne Peisa).
Appendix Additional Simulation Results.
A.1 DelayScheduler.
A.2 Max-CQIScheduler.
A.3 Proportional-Fair Scheduler.
A.4 Round-Robin Scheduler.
References.
Index. 9780470058558


Shyam Chakraborty (PhD) has worked at Ericsson Corporate Research in Finland since 2005.  Before this, he was the Academy Research Fellow, Academy of Finland, at the Communications Laboratory, Dept. of ECE, Helsinki University of Technology. Tomas Frankkila works as a Research Scientist at Ericsson in Sweden, and has published papers on wireless communications.

Janne Peisa (PhD) is a Section Manager at Ericsson in Finland, and has published many conference papers in the field of WCDMA and 3G.

Per Synnergren (PhD) works as a Senior Specialist for Ericsson in Sweden. He is active in the area of R&D and standardization for IP based services and media transported over a wireless link (focusing on IMS based services and 3GPP wireless access networks).
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