3GPP Status
© 3GPP 2012
Balazs Bertenyi
Chairman of 3GPP TSG SA
Critical Communications Workshop, 26-27/August
© 3GPP 2014
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Outline
3GPP structure and work organization
3GPP Releases and timelines
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Critical Communications (CC) features and status
Status of CC work organization discussions
Critical Communications Workshop, 26-27/August
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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
4/11/20
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Organization
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Numbers
50.000 delegate days per year
40.000 documents per year
1.200 specs per Release
New Release every ~18 months
Meeting Delegates by Region
Critical Communications Workshop, 26-27/August
Consensus based decision making
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3GPP organization
Organization
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Critical Communications Workshop, 26-27/August
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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
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Device-to-device
communications (D2D)
Device-to-device communications
(D2D) contd..
Proximity Services (ProSe)
Proximity Services (ProSe) contd…
Group Communcations (GCSE)
Group Communcations (GCSE)
contd…
Possible further enhancements to
Rel-13 features
Isolated E-UTRAN Operation
for Public Safety (IOPS)
Mission Critical Push to Talk (MCPTT)
Critical Communications Workshop, 26-27/August
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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;
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• 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;
Critical Communications Workshop, 26-27/August
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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
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Group Communication between GCSE Group members via the network and a ProSe UEto-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.
Critical Communications Workshop, 26-27/August
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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
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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
Critical Communications Workshop, 26-27/August
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MCPTT continued
Attributes
• Types of calls:
• “Regular” group call
• Broadcast group call, e.g. user broadcast: no response expected by
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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
Critical Communications Workshop, 26-27/August
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Isolated E-UTRAN Operation
for Public Safety (IOPS)
Requirements definition work complete for
Release 13
Resilience to loss/lack of backhaul for
Critical Communications
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Supports locally routed communication
in EUTRAN
•
•
for “nomadic” eNodeBs operating without
backhaul connectivity
for “regular” eNodeBs experiencing temporary
loss of backhaul connectivity
Critical Communications Workshop, 26-27/August
Network
Cell
Site(s)
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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)
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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
Critical Communications Workshop, 26-27/August
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Thank you !
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www.3gpp.org
Critical Communications Workshop, 26-27/August
© 3GPP 2014
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