Content for  TR 21.866  Word version:  15.0.0

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1  ScopeWord‑p. 6
The present document identifies and studies the key issues and the potential solutions in defining Energy Efficiency Key Performance Indicators and the Energy Efficiency optimization operations in existing and future 3GPP networks.
The study includes:
  • identifying the 3GPP system wide high-level goals and feasible tasks including the definition of system-wide energy efficiency KPIs where it is applicable to systematically address energy efficiency aspects more effectively;
  • investigating feasible common approaches and methodology including the assessment of the relevance and the applicability of existing energy efficiency definitions and the related work to address and improve 3GPP system-wide energy efficiency.
Recommendations are provided applicable to EPS (taking into account backward compatibility to legacy UEs), and to 5G systems.

2  References

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
TR 21.905: "Vocabulary for 3GPP Specifications".
ETSI ES 202 706: "Environmental Engineering (EE); Measurement method for power consumption and energy efficiency of wireless access network equipment".
ETSI ES 203 228 V1.1.4: "Environmental Engineering (EE); Assessment of mobile network energy efficiency".
ETSI ES 201 554: "Measurement method for Energy efficiency of Mobile Core network and Radio Access Control equipment".
TR 22.891: "Feasibility Study on New Services and Markets Technology Enablers - Enhanced Mobile Broadband".
TR 38.913: "Study on Scenarios and Requirements for Next Generation Access Technologies".
NGMN 5G White Paper v1.0: "NGMN 5G Initiative White Paper".
European Commission's 5G PPP "5G Vision", Feb. 2015:
TR 23.799: "Study on Architecture for Next Generation System".
TS 28.500: "Telecommunication management; Concept, architecture and requirements for mobile networks that include virtualized network functions".
TS 28.510: "Telecommunication management; Configuration Management (CM) for mobile networks that include virtualized network functions; Requirements".
ETSI GS NFV-INF 005 v1.1.1 (2014-12): "Network Functions Virtualization (NFV); Infrastructure; Network Domain".
ETSI GS NFV-INF 004 v1.1.1 (2015-12): "Network Functions Virtualization (NFV): Infrastructure; Hypervisor Domain".
ITU-T G.984: "Gigabit-capable passive optical networks (G-PON)".
ITU-T G.987: "10-Gigabit-capable passive optical networks (XG-PON)".
ITU-T G.9807: "10-Gigabit-capable symmetric passive optical network (XGS-PON) (still pending publication)".
ITU-T G.989: "40-Gigabit-capable passive optical networks (NG-PON2)".
BBCoC v5: "Code of Conduct on Energy Consumption of Broadband Equipment, Version 5.0".
TS 32.101: "Telecommunication management; Principles and high level requirements".
ETSI ES 202 336-1: "Environmental Engineering (EE); Monitoring and control interface for infrastructure equipment (power, cooling and building environment systems used in telecommunication networks); Part 1: Generic Interface".
ETSI ES 202 336-12: "Environmental Engineering (EE); Monitoring and control interface for infrastructure equipment (power, cooling and building environment systems used in telecommunication networks); Part 12: ICT equipment power, energy and environmental parameters monitoring information model".
RFC 1157:  "A Simple Network Management Protocol (SNMP)".
ComGreen project: website,
Bayer, N., Gomez, K., Sengul, C., von Hugo, D., Göndör, S., and Uzun, A.: "Load-Adaptive Networking for Energy-Efficient Wireless Access", Computer Communications, Volume 72, 1 December 2015, Pages 107-115, available at
TS 36.104: "Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station (BS) radio transmission and reception".
ETSI EN 300 019-1-3: "Equipment Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment Part 1-3: Classification of environmental conditions Stationary use at weather protected locations".

3  Definitions, symbols and abbreviationsWord‑p. 7

3.1  Definitions

For the purposes of the present document, the terms and definitions given in TR 21.905 apply.

3.2  Abbreviations

For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
Access Network Interface
Cellular Backhaul Unit
Class of Energy
Common Public Radio Interface
Digital Subscriber Loop
Energy Efficiency
Full Service Access Network
Fibre To The Building
Fibre To The Home
Fibre To The Office
Fibre To the Wireless
Home Gateway Unit
Key Performance Indicator
Multi-Dwelling Unite (pure residential)
Optimal Access
Open Base Station Architecture Initiative
Optical Line Terminal (CO side)
Optical Network Unit (User side)
Passive Optical Network
Point to Point
Radio Access Network
Small From Pluggable
Single Family Unit
Service Node Interface
Quality of Experience
Quality of Service
User Network Interface

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