DELIVERABLE 2.2: ARCHITECTURE SPECIFICATION Ecall OVER IMS
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DELIVERABLE 2.2: ARCHITECTURE SPECIFICATION eCall OVER IMS Version number: 1.0 Authors: Ana Robnik, Angelos Goulianos, Boštjan Pintar, Grega Prešeren, Harold Linke, , Jordi Contreras, Lambros Lambrinos, Roman Kužnar, Primož Žnidar Activity lead: ISKRATEL Supporting partners Advanced Automotive Antennas S.L., Cyprus University of Technology, HITEC, SA CATAPULT, SINTESIO, VEM Solutions Due date: 31/01/2020 Delivery date: 25/01/2020 Delivery date updated document This project is funded under the Connected Europe Fund Annual Programme Grant agreement no. 2018-EU-TM-0079-S Deliverable 2.2: Architecture specification eCall over IMS Page 1 CONTROL SHEET Version history Version Date Main author Summary of changes 0.1 16.07.2019 Ana Robnik The initial document 0.2.1 26.07.2019 Roman Kužnar, Boštjan Requirements Pintar, Iztok Juvančič Sintesio 0.2.2 02.08.2019 Ana Robnik, Primož Žnidar Requirements Iskratel 0.2.3 07.08.2019 Bob Williams Review 0.2.4 20.08.2019 Angelos Goulianos, SAC Requirements 0.2.5 21.08.2019 Harold Linke, HiTEC Review and add use cases 0.2.6 23.08.2019 Angelos Goulianos, SAC Requirements 0.2.7 28.08.2019 Ana Robnik Document Restructuring after Meeting 0.2.8 30.08.2019 Harold Linke Add use cases in Annex I 0.2.9 30.08.2019 Roman Kužnar Detailed figures 0.2.9 30.08.2019 Ana Robnik List of standards 0.2.9 19.09.2019 Angelos Goulianos Use case and User Needs 0.2.9. 19.09.2019 Bob Williams Internal Review 0.2.10 23.09.2019 Ana Robnik Review and formatting after Meeting 0.2.11 30.09.2019 Angelos Goulianos Satellite IMS reference architectures 15.10.2019 Lambros Lambrinos Use case Primož Žnidar Use case Roman Kužnar Scenarios and Reqs Boštjan Pintar Scenarios and Reqs Harold Linke Reqs for the external databases 0.3.0 18.10.2019 Ana Robnik Review and Corrections of the document to be ready for Activity 3 0.4.0 14.11.2019 Angelos Goulianos Architecture and Reference points for IMS, satellite communications and ESInet. Page 2 Primož Žnidar ANNEX III Recommendations Roman Kužnar Boštjan Pintar Ana Robnik 0.5.0 28.11.2019 Primož Žnidar Standards and ESInet Boštjan Pintar To resolve comments Ana Robnik 0.6.0 9.12.2019 Lambros Lambrinos ANNEX III Recommendations Marco Annoni Conclusions 0.7.0 19.12.2019 Lambros Lambrinos ANNEX III Recommendations Marco Annoni Conclusions Bob Williams To resolve last open issues 0.8.0 20.12.2019 Ana Robnik Version ready for review 1.0 15.01.2020 Ana Robnik Final submission 1.1 25.01.2020 Angelos Goulianos, Expected Outcomes UC02-2 Ana Robnik Extensions UC02-2 & UC02-3 Name Date Prepared Ana Robnik 20.12.2019 Reviewed Andy Rooke 12.01.2020 Authorized Andy Rooke 25/01/2020 Page 3 TABLE OF CONTENTS Control sheet ................................................................................................. 2 Table of contents ........................................................................................... 4 Figures .......................................................................................................... 6 Tables ............................................................................................................ 7 Purpose of the document ............................................................................... 8 Terms and Definitions .................................................................................... 9 1 Introduction ........................................................................................... 14 1.1 sAFE Contractual References ................................................................................... 14 1.1.1 Overview........................................................................................................................... 14 1.1.2 Communication details of the Agency ............................................................................. 14 1.1.3 Any communication details of the beneficiaries .............................................................. 14 1.2 An IMS based eCall ................................................................................................... 15 2 Methodology ......................................................................................... 16 3 Standards considered and used .............................................................. 17 4 USE CASES ............................................................................................. 20 4.1 Introduction .............................................................................................................. 20 4.2 The list of Use Cases from the external sources ....................................................... 20 4.3 Use Cases defined in sAFE project ............................................................................ 20 4.3.1 The list of Use cases .......................................................................................................... 20 4.3.2 The Use case UC02-1 – Forwarding NG-eCall from 1st level PSAP to 2nd level PSAP ....... 21 4.3.3 The Use case No. 2, UC02 – Satellite networks enhancements and support as an additional IP-CAN ........................................................................................................................... 26 4.3.4 The Use case UC02-3 – NG-eCall Supplemental Data from External sources provided by Functional Elements in ESInet ........................................................................................................ 33 5 THE ARCHITECTURE REQUIREMENTS FOR NG 112 ECALL ........................ 39 5.1 Introduction .............................................................................................................. 39 5.2 High-level Architecture requirements based on use cases and end-to-end scenarios 40 5.2.1 High-level Architecture requirements based on Standards ............................................. 40 5.3 Architecture principles apply to NG-eCall sessions .................................................. 44 5.4 Detailed Architecture Requirements for NG-eCall.................................................... 45 5.4.1 IMS network requirements for NG-eCall ......................................................................... 45 5.4.2 Location information for NG eCall ................................................................................... 47 5.4.3 Media ................................................................................................................................ 48 5.4.4 IP-CAN ............................................................................................................................... 48 5.4.5 NG-eCall enabled IVS requirements ................................................................................. 49 Page 4 5.4.6 NG-eCall enabled PSAP Requirements ............................................................................. 50 5.4.7 The ESInet and its Core Elements Requirements ............................................................. 51 5.4.8 NG-eCall Satellite connectivity requirements .................................................................. 52 5.4.9 NG eCall enabled Data Requirements .............................................................................. 54 5.4.10 NG-eCall enabled Security/Privacy Requirements....................................................... 54 5.4.11 Freight and other additional Information from external databases ........................... 55 6 ARCHITECTURE MODEL AND REFERENCE POINTS ................................... 57 6.1 Deployment scenarios for NG eCall architectures ................................................... 57 6.2 IMS Core Network as Emergency Service Network for NG eCall service ................. 57 6.2.1 Reference Points .............................................................................................................. 57 6.2.2 Functional Description of IMS functional entities ............................................................ 58 6.2.3 NG e-call IMS over satellite through EPC ......................................................................... 62 6.2.4 NG e-call IMS over satellite through 5G Core Network ................................................... 63 6.3 NG-eCall over ESInet including IMS Core as originating network ............................ 65 6.3.1 The ESInet Functional Elements ....................................................................................... 67 7 Conclusions ............................................................................................ 70 REFERENCES ................................................................................................ 72 ANNEX I - The Use Cases FROM THE external SOURCES ................................ 73 ANNEX II - The Use Case Template ............................................................... 88 7.1 The needs derived from the Use Cases ..................................................................... 92 ANNEX III – Recommendations FOR NG-eCALL Architecture ......................... 94 Page 5 FIGURES FIGURE 1: COMPRESSION OF CIRCUIT SWITCHED 112-ECALL AND 112 IMS-ECALL. .................................. 15 FIGURE 2: END-TO-END SCENARIOS FOR CO-EXISTED CS IN NG-ECALL. .................................................... 39 FIGURE 3: ESSENTIAL FUNCTIONAL ELEMENTS REQUIRED TO IMPLEMENT ECALL SCENARIOS. ......................... 40 FIGURE 4: OVERVIEW OF NETWORK ENTITIES FOR CS-ECALL AND NG ECALL. ............................................ 42 FIGURE 5: NG-ECALL WITH ESINET AS A POINT-OF-INTERCONNECT TO CS AND/OR IMS NETWORK. .............