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3GPP News

Control and User Plane Separation of EPC nodes (CUPS)

July 03, 2017

By Peter Schmitt (Huawei), Bruno Landais (Nokia), Frank Yong Yang (Ericsson)

At the recent CT#76 meeting (June 2017), 3GPP has completed the Release 14 specification of CUPS – set to be a key core network feature for many operators.

CUPS stands for Control and User Plane Separation of EPC nodes and provides the architecture enhancements for the separation of functionality in the Evolved Packet Core’s SGW, PGW and TDF. This enables flexible network deployment and operation, by distributed or centralized deployment and the independent scaling between control plane and user plane functions - while not affecting the functionality of the existing nodes subject to this split.

5G at RAN#76, a video interview

June 22, 2017

Video by Telecom TV, featuring Balazs Bertenyi, TSG RAN Chairman

A new video is on-line today, covering the transition from Rel-14 completion to the task of meeting two major milestones for Rel-15, within the next twelve months.

The video has news on the early drop of 5G NR specifications for December 2017 and some words on the full set of Rel-15 features - due by June 2018.

5G Phase 1 underway in CT Groups

June 13, 2017

By Georg Mayer, 3GPP CT Chairman

The latest Plenary meeting of the Core Network and Terminals Technical Specification Group (CT TSG), held last week in West Palm Beach, Florida, has seen good progress in the Working Group’s study phase on 5G.

Existing & new protocols for the service based architecture (SBA), network slicing, Policy and Charging Control (PCC) as well as mobility and session management and many other features are currently under evaluation in a number of new 3GPP Technical Reports:

  • TR 24.890 - CT WG1 aspects of 5G System Phase 1
  • TR 29.890 - CT WG3 aspects of 5G System Phase 1
  • TR 29.891 - CT WG4 aspects of 5G System Phase 1
  • TR 31.890 - CT WG6 aspects of 5G System Phase 1

Besides that, the following, new, Release 15 Work Items were agreed. These are features that will immediately progress in to the normative phase:

protocol-stack2 700px


Mission Critical Services in 3GPP

June 20, 2017

By Yannick Lair and Georg Mayer

A platform for mission critical (MC) communications and MC Services has been a key priority of 3GPP in recent years and is expected to evolve into the future by taking more requirements, from different sectors of the global critical communications industry, on board.

This article provides an overview of what was achieved so far in the MC domain within 3GPP and also gives an outlook of what can be expected in the near future. We plan to create a more detailed paper on MC Services, which will summarize the use cases and functional aspects of Rel-13, Rel-14 and upcoming Rel-15, later this year.

Driven by the 3GPP release schedule, the mission critical related functionalities have been phased across them, each release encompassing a complete set of standards for equipment vendors and operators to phase their implementations and deployments, based on market demands.

IETF, 3GPP and 5G

June 7, 2017

The all new "Wednesday Speaker Club" took place today in West Palm Beach - during the 3GPP TSG Plenary meeting - with Alissa Cooper, the IETF Chair, sharing her views on how 3GPP and the IETF can cooperate on 5G.

Cooper told 3GPP delegates that important parts of the 5G work will span multiple SDOs and open source projects. She observed that IETF relationships with the IEEE, BBF, OPNFV and other bodies will be an area that will help broader collaboration, in addition to the potential for 3GPP and IETF to build on our well established cooperation on SIP/IMS and EAP-AKA work.

Georg Mayer, the 3GPP CT Chairman, introduced Ms Cooper as the first speaker in this new speaker club series. He set the scene for the presentation, telling delegates from the assembled 3GPP SA/CT and RAN (#76) plenaries that 3GPP - IETF cooperation has already made a major impact - particularly on protocol related topics.


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