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3GPP Status

3GPP Status. Balazs Bertenyi Chairman of 3GPP TSG SA. Outline. 3GPP structure and work organization 3GPP Releases and timelines Critical Communications (CC) features and status Status of CC work organization discussions. 3GPP – facts and numbers. Technologies Radio Technologies

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3GPP Status

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  1. 3GPP Status Balazs Bertenyi Chairman of 3GPP TSG SA

  2. Outline • 3GPP structure and work organization • 3GPP Releases and timelines • Critical Communications (CC) features and status • Status of CC work organization discussions

  3. 3GPP – facts and numbers Technologies Radio Technologies 2G radio: GSM, GPRS, EDGE 3G radio: WCDMA, HSPA 4G radio: LTE, LTE-Advanced Mobile Core Network 2G/3G: CS, GPRS 3G/4G: Evolved Packet Core (EPC) IP Multimedia Subsystem (IMS) Security Assurance Policy Control Charging and O&M Service related aspects M2M Public Safety Numbers 50.000 delegate days per year 40.000 documents per year 1.200 specs per Release New Release every ~18 months Organization Meeting Delegates by Region Consensus based decision making

  4. 3GPP organization Organization

  5. 3GPP Releases and CC features 2013 2014 2015 2016 2017 2020 “Ready” System Release 12 Release 13 Release 14 Rel 12 Rel 13 Rel 14 Device-to-device communications (D2D) Device-to-device communications (D2D) contd.. Proximity Services (ProSe) Proximity Services (ProSe) contd… Possible further enhancements to Rel-13 features Group Communcations (GCSE) Group Communcations (GCSE) contd… Isolated E-UTRAN Operationfor Public Safety (IOPS) Mission Critical Push to Talk (MCPTT)

  6. Proximity Services and D2D • Basic discovery and communication functionality added to Release 12 • Release 13 will add the following pieces of functionality: • Restricted ProSe Direct Discovery for non-Public Safety use; • ProSe Direct Discovery for Public Safety use; • Support for model B ProSe Direct Discovery for all use cases (i.e. open and restricted); • ProSe UE-Network relays for Public Safety use; • ProSe UE-UE relays for Public Safety use; • ProSe Direct Communication one-to-one for Public Safety use;

  7. Group Communications (GCSE) • Basic GCSE support was specified in Rel-12 • GCSE provides generic building blocks for resource efficient downstream communication to a group of UEs for the design of application layer functionality • Release 13 will add the following pieces of functionality: • Group Communication between GCSE Group members via the network • Group Communication between GCSE Group members via the network and a ProSe UE-to-Network Relay • Relationship between a GCSE Group and members using ProSe Group Communication. • Notably: interaction between group communication and ProSe UE-UE or UE-Network relays. • Support for eMBMS single cell broadcast areas, for networks where this deployent scenario is needed.

  8. Mission Critical Push-to-Talk (MCPTT) • Requirements definition has been ongoing in Release 13, architecture work just started • Highlights • Provides arbitrated method by which two or more users may engage in communication • Designed to support mission critical usage, but can be deployed in non-mission critical scenarios • Emulates functions provided by PMR/LMR systems • Mainly for group call support, but private one-to-one calls supported too • Works in both on-network and off-network scenarios • Not all functions available when device operates off-network

  9. MCPTT continued • Attributes • Types of calls: • “Regular” group call • Broadcast group call, e.g. user broadcast: no response expected by initiating user • Group call based on priorities, e.g. emergency group call: high priority group call that could pre-empt other in-progress calls • Private calls: one-to-one calls with floor control • Membership: • Users must be a group member in order to receive and transmit to the group

  10. Isolated E-UTRAN Operationfor Public Safety (IOPS) • Requirements definition work complete for Release 13 • Resilience to loss/lack of backhaul for Critical Communications • Supports locally routed communication in E-UTRAN • for “nomadic” eNodeBs operating without backhaul connectivity • for “regular” eNodeBs experiencing temporary loss of backhaul connectivity Network Cell Site(s)

  11. Status of Critical Communications work organization discussions in 3GPP • TSG#64 meeting in June looked at proposals for organizing MCPTT work • Undertaking all MCPTT work in 3GPP • Distributing work across multiple SDOs (ETSI, OMA, 3GPP) • Conclusion was to first look at the high level architecture, and look at possible work distribution along main architecture layers/components • High level architecture was not completed by TSG#64 yet • TSG#65 will re-discuss and will aim at concluding the issue • Outcome of this workshop will be an important input to these discussions

  12. Thank you ! www.3gpp.org

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