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Keywords & Acronyms

We have written articles to explain some 3GPP related keywords and acronyms, to give some background material on the topic.

Terms include:  

3GPP Series & technologies

The first two digits of a 3GPP TS or TR number define the spec series; for example LTE radio (E-UTRAN) is defined in the 36 Series.

On this page you can find which technology is [at least partially] aligned with which 3GPP series.

A-Z list of technical terms

The 3GPP Report ‘Vocabulary for 3GPP Specifications’ identifies specialist technical terms used;

  • To ensure that editors use terminology that is consistent across specifications.
  • To provide a reader with convenient reference for technical terms that are used across multiple documents.

Furthermore, you can check which Spec(s) a term or abbreviation is defined in using ETSI’s TEDDI application. Note that this only shows terms defined in 3GPP TSs and TRs which have already been transposed as ETSI publications.


NR / LTE Dynamic spectrum sharing (DSS)

October 14, 2020

Dynamic spectrum sharing (DSS) provides a very useful migration path from LTE to NR by allowing LTE and NR to share the same carrier. DSS was included already in Rel-15 and further enhanced in Rel-16.

As the number of NR devices in a network increases, it is important that sufficient scheduling capacity for NR UEs on the shared carriers is ensured.

Source: Tdoc RP-193260 from TSG RAN#86, December 2019 (Approved)

3GPP Telecom Management

September, 2020

By Thomas Tovinger, SA5 Chair, Zou Lan, SA5 Vice-Chair, Maryse Gardella, SA5 Vice-Chair. (Article first published in HIGHLIGHTS Issue 01, Sept. 2020).

TSG SA WG5 (SA5) is reponsible for all specification work for Telecom Management (TM) of the 3GPP network. This includes aspects such as operation, orchestration, assurance, fulfillment, automation and charging; covering both functional and service perspectives.

Important areas where SA5 is actively involved and developing specifications with full support of automation are:

  • Telecom management architecture framework;
  • Service Management, Network Management, Element Management & Charging Management;
  • Management aspects of energy efficiency;
  • Exposure of management services to entities external to the network operator (like verticals);
  • Data collection for Telecom Management;
  • Services and functions which support orchestration, assurance and analytics;
  • Services and functions for charging for end users or Service Providers, including capabilities for wholesale roaming;
  • Charging and Management aspects of supporting new services for public and non-public networks.

Better energy efficiency for 5G

 January 2021

By Jean-Michel Cornily, Orange, 3GPP WG SA5 Rapporteur Rel-17 work item ‘Enhancements on EE for 5G networks’.

As part of the global trend to reduce the impact of ICT equipment on the environment and the constant desire to reduce the network operator’s operational expenses, 3GPP has been working for years on standards for the energy efficiency of mobile networks - by following a two-step approach: (1) Defining Energy Efficiency (EE) KPIs & methods to measure them and (2) By defining use cases and solutions for Energy Saving (ES).

The energy efficiency of a mobile network can be defined by its performance divided by its energy consumption, where the definition of performance depends on the network entity it applies to. For a unit of energy consumed by the mobile network, the higher its performance is, the higher its energy efficiency is.

Unmanned Aerial Systems over 5G

November 18, 2019

To address the needs of a new and quickly maturing sector, there has been a lot of activity in the 3GPP Working Groups to ensure that the 5G system will meet the connectivity needs of Unmanned Aerial Systems (UAS) – consisting of Unmanned Aerial Vehicles (aka. drones) and UAV controllers under the watchful eye of UAS traffic management.

As 5G use cases have evolved, new studies and new features are needed, for the safe operation of UAVs, but also to ensure that other users of the network do not experience a loss of service due to their proximity to Unmanned Aerial Systems.

Gigabit LTE

June 2, 2017

Although we (3GPP) didn't coin the term 'Gigabit LTE', it is a milestone that is based on
LTE-Advanced and LTE-Pro features and one that is being heralded as an important step towards 5G type services.

By using LTE to provide more bandwidth to customers, there is an inherant step-up towards 5G ready networks.

Gigabit LTE is happening in 2017, features include (source Mobile Europe);

  • Tri-carrier aggregation
  • 256QAM and
  • 4x4 MIMO
  • Cloud RAN
  • Licence Assisted Access technology


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