opera -net i / ii optimizing power efficiencyin mobile

OPERA-Net I / II

Presented by Jerome DAVIDETSI EE Workshop – 20/06/2012 – OPERA-Net project presentation1

OPERA-Net I / II

Optimizing Power Efficiency in mobile

RAdio NETWorks

Projects Brief

OPERA-Net, Celtic project, 1/06/08 to 1/06/11 Optimization of power efficiency by smart network power management and BTS

consumption improvement

coordinated by France Telecom

9 partners, 6 countries

Demonstrated in Bordeaux and Stockholm (Celtic Event 2012)

Received a Celtic silver award in 2012


OPERA-Net 2, Celtic-Plus project, 1/12/11 to 1/12/14End to End optimization of Telecom networks with hybrid energy site, life cycle

analysis, more sophisticated link level improvement and better BTS consumption

coordinated by France Telecom

11 partners, 4 countries

Trial in Lannion on hybrid power sites

Trial on 3G network in Poland and 4G platform in Brest

Presented by Jerome DAVIDETSI EE Workshop – 20/06/2012 – OPERA-Net project presentation

OPERA-Net

OPERA-Net goals

Global reduction of

network consumption


Introduce smart power

management in RAN networks•Better traffic and consumption prediction

•Link level studies

•Introduction of traffic related power

management system

Optimize Base Station consumption

•High efficiency amplification techniques

•Cooling optimization

•BTS architecture optimization

OPERA-Net partners

Partners Expertise:Partners Expertise:

- E2E management of mobile networks

- Energy management for ITC networks

- Software and Hardware tools for Base Station management

WPWP2 2 –– Mobile RAN EMobile RAN E22E :E :• KPI for energy efficiency, • DC power, Cooling system, • Sleep-mode,

WP3 WP3 -- Link level : Link level : • Optimization techniques for Link-level

power efficiency,

• Energy-aware device design


-signal processing for broadband wireless systems

-design of RF analog and mixed-signal circuits

- signal processing for multimedia applications

- design methodologies and tools for complex embedded systems.


WPWP6 6 -- Network Test Bed: Network Test Bed:

• Integration of devices (proof of concept)

• Mobile Radio Access Network end to end

efficiency


-integration and RF component architecture

-integration and small & high power

Transmitter architectures

-thermoelectric specificities applications

-base station integration

-End 2 End mobile networks modelisation

WPWP4 4 -- Technology enablers: Technology enablers:

•Better RF power amplifiers efficiency

• Energy recovery in Base Stations,


-Semi-conductors. Prototype RF power

-Small & High power RF Amplification, modules, structures & modulation strategy

- Research lab, thermoelectric.

- Semi-conductors characterisation

- design methodologies and tools for complex embedded systems.

State of the art

(2008)Energy consumption for France Telecom (in France) :


Source: GSM Association

Energy consumption (France Telecom French network)

Fixed network Mobile Network Data network

349,3 GWh/Y 286GWh/Y 346,4 GWh/Y

Source: France Telecom

0.5% of total

annual energy

consumption in

France

OPERA-Net Achievements

From “technology enablers”


Advanced

Doherty

Class AB

Polar transmitter

OPERA-Net Achievements

End to End Analysis on – BTS power consumption

– Network power consumption

– Contribution to standardization

� ETSI, ITU-T

Identified energy savings– Significant savings on exiting 2G-3G sites with existing

“E2E RAN” Results


– Significant savings on exiting 2G-3G sites with existing

technologies with some rework

– ~20% with site optimization

� air-conditioning, auxiliary equipment

– ~30% with smart network power management.

� Technology sleep mode

8

Energy consumption over the day :

Without Sleep Mode With Sleep Mode

QoS ,

coverage,

Access

probability


OPERA-Net 2

OPERA-Net 2 Goals

Optimization of End to End network efficiency� Reduction of E2E global network power consumption

� Study of impact of growing data traffic on total energy consumption

� Liaison to 3GPP standardization body

Material Efficiency


Material Efficiency� Life Cycle Assessment on sub assemblies

� Thermal optimization

– Liquid cooled system

– Passive diphasic cooling system

� Analysis of critical materials

� Liaison to ETSI EE, ITU, … standardization bodies

– Feedback on Life Cycle Assessment, Material Efficiency, Methodology of

measurement

11

OPERA-Net 2 Goals

Hybrid energy site� Extensive use of Renewable power source

� Replacement of fossil fuel energy

� Energy supply modeling and optimization


Further reduction of power consumption� Optimization of low power Femto solutions

� Further work on high efficiency amplification(SMPA, ET solutions, Doherty)

� Better combination of Digital Predistortion techniques and high efficiency

technologies

12

OPERA-Net 2 summary

OPERA-Net 2, Celtic-Plus project1/12/11 to 1/12/14

End to End optimization of Telecom networks with hybrid


End to End optimization of Telecom networks with hybrid

energy site, life cycle analysis, more sophisticated link level

improvement and better BTS consumption

ETSI EE Workshop Genoa, 20-21th June 2012

Presented by

WP3 leader: [email protected]



OPERA–Net 2 contacts

Project coordinator: [email protected]


opera -net i / ii optimizing power efficiencyin mobile

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