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NTN & Satellite in Rel-17 & 18


By: Munira Jaffar & Nicolas Chuberre, Members of the GSOA Standards Working Group - Article first published in HIGHLIGHTS Issue 03, Oct. 2021.

The approval of normative activities on Non-Terrestrial Networks (NTN) in Rel-17 has generated growing interest in the topic. The Rel-17 NTN work items are supported by a wide range of vendors (terminal, chipset, network), as well as service providers from both the mobile and space industries and vertical user groups including ESOA.

The Rel-17 NTN and satellite work items in Technical Specification Group (TSG) RAN and TSG SA have been progressing towards the goal of satellite inclusion in 3GPP technical specifications. The focus is on transparent payload architecture with FDD systems where all UEs are assumed to have GNSS capabilities. The normative phase includes adaptation to the physical & access layer aspects, radio access network and system architecture, radio resource management, and RF requirements for targeted satellite networks operating at LEO, MEO or GEO orbits.


New 3GPP partners announced

January 28, 2022

Three diverse and exciting partners have joined 3GPP and are now finding their way into the technical work, through their members' contributions or via direct liaisons with the 3GPP groups.

As a Market Representation Partner (MRP) the Open Generation Consortium, MulteFire Alliance and the 5G Slicing Association have a lot to offer the project, not only by taking 3GPP 5G work into new areas, but also by providing a way for their memberships interests to be presented to the 3GPP groups.


3GPP Summit at CEATEC Japan 2021

November 4, 2021

By Yasuhiro Kato, Director of land mobile communication group, ARIB

3GPP and its Japanese Organizational Partners: The Telecommunication Technology Committee (TTC) and Association of Radio Industries and Businesses (ARIB) have hosted a “3GPP Summit” online workshop at CEATEC 2021, on October 21. The event was co-located with the Japanese Ministry of Internal Affairs and Communications (MIC) and 5G Mobile Communications Promotion Forum (5GMF) 5G day at the event.

The “3GPP Summit” featured all three Technical Specification Group (TSG) Chairs and one Japanese leader from each group. After the presentations, they exchanged their views and expectations for 3GPP work – as the industry starts to look at research beyond 5G. The event attracted almost 700 people, keen to understand what is going on in 3GPP.

(LInks to the presentations below)


IMT-2020 towards 'Beyond'

Interview with Sergio Buonomo, Chief, ITU-R Study Groups Department (Article first published in HIGHLIGHTS Issue 02, March 2021).

The ITU-R has recently published their Recommendation ITU-R M.2150 entitled: 'Detailed specifications of the radio interfaces of IMT-2020', listing the specifications that conform with its requirements for 5G operation.

We invited Sergio Buonomo to answer a few questions, intended to help the 3GPP readership to better understand how our own specifications for 5G are connected to the ITU’s IMT-2020 process.

Highlights: Could you sum up the significance of the IMT process and what it means to conform to it?

SB: The ITU-R is responsible for the Radio Regulations, with the latest set being the 2020 version, which is the essential regulatory document for the service allocation of the frequency bands (8.3 kHz - 275 GHz Range). They define the spectrum allocation for all radiocommunication services in the three ITU-R Regions, including the allocation for the mobile service. Also, there are important “footnotes” in there; defining the identification of IMT in frequency bands for specific countries.


CCSA's Zemin Yang announces his retirement

May 4, 2021

At the recent China Communications Standards Association (CCSA) Board meeting, on April 11, the highly respected Zemin Yang announced his retirement from the post of CCSA Secretary-General. For the past ten years, Zemin Yang has brought grace and expertise into this leadership position - Qualities felt most directly here through his participation in the 3GPP Project Coordination Group (PCG) and the Organizational Partner (OP) meetings.

In his farewell address to PCG he touched on his vision for 3GPP, as an example of positive cooperation. He told colleagues that he felt lucky to have been in the 3GPP family at a time of great importance; “fulfilling our responsibilities to our respective organizations and to 3GPP.” He concluded: “In particular, I should say that whether we agree upon everything or not, we have always been able to treat each other frankly and sincerely, with understanding and real respect. My experience at 3GPP has given me a very fulfilling and enjoyable decade in my career.”


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