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Voice over LTE : VoLTE. için kapak resmi
Başlık:
Voice over LTE : VoLTE.
ISBNp:
9781119945765
Dil:
English
Edisyon:
1st ed.
Yayın Bilgileri:
New York :

John Wiley & Sons, Incorporated,

2012.

©2012.
Fiziksel Tanımlama:
1 online resource (267 pages)
İçerik:
Intro -- Voice Over LTE -- Contents -- Preface -- Acknowledgements -- List of Abbreviations -- 1 Background -- 2 VoLTE Deployment Strategies -- 2.1 Common Networks Everywhere -- 2.2 GSM/WCDMA View -- 2.3 CDMA View -- 3 VoLTE System Architecture -- 3.1 Overview -- 3.2 LTE Radio -- 3.2.1 LTE Radio Background -- 3.2.2 LTE Radio Architecture -- 3.3 Evolved Packet Core -- 3.3.1 What is the Evolved Packet Core? -- 3.3.2 EPC Entities and Functionalities -- 3.3.3 EPS Mobility Management -- 3.3.4 EPS Session Management and QoS -- 3.4 Control -- 3.4.1 What is an IP Multimedia Subsystem? -- 3.4.2 IMS Development History -- 3.4.3 IMS Fundamentals -- 3.4.4 IMS Entities -- 3.4.5 Home Subscriber Server -- 3.4.6 Policy and Charging Rule Function -- 3.5 Summary -- 4 VoLTE Functionality -- 4.1 Overview -- 4.2 Radio Functionalities -- 4.2.1 Bearers and Scheduling -- 4.2.2 Mobility -- 4.2.3 Circuit Switched Fallback Handover -- 4.2.4 Mobility from 2G/3G Back to LTE -- 4.2.5 Power Saving Features -- 4.2.6 Positioning Solutions -- 4.2.7 UE Radio Access Capabilities for VoLTE -- 4.3 EPC Functionalities -- 4.3.1 LTE subscriber identification -- 4.3.2 PDN Connectivity Establishment for the VoLTE User -- 4.3.3 EPS Dedicated Bearer Setup -- 4.4 IMS Identification -- 4.4.1 IP Multimedia Services Identity Module -- 4.4.2 Public User Identity -- 4.4.3 Private User Identity -- 4.4.4 Relationship between Private and Public User Identities -- 4.4.5 Identification of User's Device -- 4.4.6 Identification of Network Entities -- 4.4.7 Identification of Services (Public Service Identities) -- 4.4.8 Identification Without ISIM -- 4.5 IMS Service Provisioning -- 4.5.1 Enforcement of Allowed Services -- 4.5.2 Service-Triggering Information -- 4.5.3 Selection of AS -- 4.5.4 AS Behaviour -- 4.5.5 Service Provisioning in Action -- 4.6 IMS Multimedia Telephony -- 4.6.1 Introduction.

4.6.2 Multimedia Communication -- 4.6.3 Supplementary Services -- 5 VoLTE End to End and Signalling -- 5.1 Overview -- 5.2 VoLTE Subscription and Device Configuration -- 5.3 EPS Attach for CSFB/IMS VoIP and Default Bearer Activation -- 5.4 IMS Registration -- 5.4.1 Constructing the REGISTER Request -- 5.4.2 From the UE to the P-CSCF -- 5.4.3 From the P-CSCF to the I-CSCF -- 5.4.4 From the I-CSCF to the S-CSCF -- 5.4.5 S-CSCF Challenges the UE -- 5.4.6 UE's Response to the Challenge -- 5.4.7 Registration at the S-CSCF -- 5.4.8 The 200 (OK) Response -- 5.4.9 Third-Party Registration to Application Servers -- 5.4.10 Subscription to Registration Event Package -- 5.4.11 Re-Registration and Re-Authentication -- 5.4.12 De-Registration -- 5.4.13 Related Standards -- 5.5 IMS VoIP Session -- 5.5.1 Constructing the INVITE Request -- 5.5.2 Routing -- 5.5.3 Media Negotiation -- 5.5.4 Media Resource Reservation and Policy Control -- 5.5.5 Charging -- 5.5.6 Session Release -- 5.5.7 Related Standards -- 5.6 Voice Continuity -- 5.6.1 PS-PS Intersystem Handover -- 5.6.2 Single Radio Voice Call Continuity -- 5.6.3 Summary -- 5.7 IMS Emergency Session -- 5.7.1 PDN Connection Setup for Emergency Session -- 5.7.2 Emergency Registration -- 5.7.3 Emergency Session -- 5.8 CS Fallback for Evolved Packet System Call Case(s) -- 5.8.1 Architecture of CS Fallback for EPS -- 5.8.2 Description of SGs Interface -- 5.8.3 Idle Mode Signalling Reduction and Use of CS Fallback for EPS -- 5.8.4 Idle Mode versus Active Mode UE with CS Fallback for EPS -- 5.8.5 CS Fallback Attachment -- 5.8.6 Mobile Originating Call Using CSFB -- 5.8.7 Mobile Terminating Call Using CSFB -- 5.8.8 Call Unrelated CSFB Procedures -- 5.8.9 Mobile Terminating Roaming Retry and Forwarding -- 5.8.10 Summary -- 5.9 VoLTE Messaging -- 5.9.1 Native IMS Messaging -- 5.9.2 SMS Interworking.

5.9.3 Multimedia Messaging Service -- 5.9.4 Unstructured Supplementary Services Data Simulation in IMS -- 5.9.5 Summary -- 6 IMS Centralized Services -- 7 VoLTE Radio Performance -- 7.1 Coverage -- 7.2 Capacity -- 7.3 Latency -- 7.4 Summary -- 8 HSPA Voice over IP -- References -- Index.
Özet:
Describes the technological solutions and standards which will enable the migration of voice and SMS services over to LTE/EPC networks Main drivers for the introduction of Long Term Evolution of UTRAN (LTE) is to provide far better end user experience for mobile broadband services. However, service providers also need to have a clear strategy of how to offer voice and messaging services for consumers and enterprises. The voice service over LTE is becoming increasingly important when the smartphone penetration is increasing rapidly. Smartphones require both good quality voice and high speed broadband data. This book provides the exhaustive view to industry-approved technologies and standards behind the Voice over LTE (VoLTE). Whether a decision maker or technology analyst, this book explains a topic of substantial global market interest.   It provides a good introduction to the technology and is useful for operators who may be deploying VoLTE, product managers responsible for VoLTE products and those who work in implementation and standardization of related technologies. Provides a comprehensive overview of industry-approved technologies and standards, providing vital information for decision makers and those working on the technology Written by authors working at the cutting edge of mobile communications technology today, bringing a mix of standards and product background, guaranteeing in-depth practical and standards information Covering the technical and practical elements of VoLTE, explaining the various approaches for providing voice services over LTE.
Local Note:
Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2020. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.
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