panel discussion on “green networking and renewable energy sources” mobile networks and...
TRANSCRIPT
Panel discussion on “Green networking and renewable energy sources”
Mobile networks and “green” energy sources: an operator point of view
TELECOM ITALIA GROUP
SustainIT 2015Getafe, Madrid, April 14th, 2015
Telecom Italia - Engineering&TILab
Damiano RAPONE
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Agenda
Telecom Italia presentation
Conclusions
Q&A
Damiano Rapone – Engineering&TILab, Wireless Access Innovation dept.Green networking and renewable energy sources
Energy Efficiency in Telecom Italia
The importance of Green ICT
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Telecom Italia group 1/2
Employees
66.025
TIM lines in Italy
30.300.000
Revenues (€)
21.573.000.000
Telecom Italia is the main telecommunication and ICT operator in Italy, as well as one of the most important
in Latin America and among the main global
mobile operators
Italian leader in the ICT market,active in the following sectors:
fixed and mobile communications, internet and media, systems and
solutions for business, R&D
Strategic markets: Italy, BrasilValues referred to December 2014http://www.telecomitalia.com/tit/en/about-us/profile.html
Damiano Rapone – Engineering&TILab, Wireless Access Innovation dept.Green networking and renewable energy sources
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Telecom Italia group 2/2
The international presence
Italy
Latin America: Brasil
International Wholesale services
Telecom Italia Sparkle (TI Sparkle) is a global service provider offering voice, data and internet solutions to fixed and mobile carriers, Internet Service Providers (ISPs), multimedia operators and corporate customers.
Damiano Rapone – Engineering&TILab, Wireless Access Innovation dept.Green networking and renewable energy sources
http://www.tisparkle.com/document_loader.aspx?idDocument=1318
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Focus on TILab: Wireless Access InnovationMain activities of the department
R&D activities, scouting, benchmarking, testing, performance evaluation of
wireless systems (LTE/LTE-A), study of innovative radio access technologies
towards 5G
Technological trials, support to engineering department
Participation in standardization bodies and fora (3GPP, ETSI, ITU, NGMN)
International funded projects, collaboration with vendors and academic world
Damiano Rapone – Engineering&TILab, Wireless Access Innovation dept.Green networking and renewable energy sources
https://www.ict-earth.eu/ https://www.metis2020.com/http://www.ict-ijoin.eu/
http://wireless.kth.se/blog/projects/5green/ http://www.miwaves.eu/
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EU funded research projects
E
5GrEEn project (Towards Green 5G Mobile Networks)
EXAM (Energy efficient Xhaul and M2M)
ETSI normative [ETSI Environmental Engineering (EE), sub-group Eco Environmental
Product Standards (EEPS)]
TS 102 706: “Measurement Method for Energy Efficiency of
Wireless Access Network Equipment”
Other “green” activities:
LTE auction in Italy
Energy Efficiency (EE) and power consumption measurements
DREAM project
Damiano Rapone – Engineering&TILab, Wireless Access Innovation dept.Green networking and renewable energy sources
EARTH project (Energy Aware Radio and neTworking tecHnologies)
Energy Efficiency in Telecom Italia (1/2)
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Energy Efficiency in Telecom Italia (2/2)Environmental sustainability initiatives
Telecom Italia contributions in:
Development of the new version of the EC Code of Conduct on Energy Consumption of
Broadband Communication Equipment (BB CoC V5)
ITU-T’s “green” standards (Recommendations L.1002, L. 1340 and L.1010)
“New sustainability model for the TLC/ICT sector” agreement (May 21st, 2012)
Signed between Telecom Italia and the Italian Environment Ministry
Commitment in buying electricity from renewable sources only
Guarantees of Origin ensuring the use of renewable sources only
Further reduction of the environmental impact of Telecom Italia’s activities (-70 % CO2 emission)
Smart Center
Telecom Italia is the 2nd largest user of electric power in Italy (2.2 TWh/year)
Country-level monitoring of the energy consumption of the infrastructure
(radio base stations, data centers, offices, shops and laboratories)
Telecom Italia Green
Damiano Rapone – Engineering&TILab, Wireless Access Innovation dept.Green networking and renewable energy sources
Telecom Italia S.p.A.
is 100% powered by renewable
energy
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Currently 3% of the world’s annual energy consumption is related to Information
and Communication Technology (ICT) infrastructures
Mobile communication systems represent ~ 15% of total ICT sector
~ 10% of ICT’s energy consumption can be attributed to mobile systems
ICT is thus a quickly-growing contributor to CO2 emissions
~ 2% of the worldwide CO2 emissions (comparable to airplanes, ~ 25% of cars’ emissions)
Within ICT, mobile communication systems contribute ~ 12% in CO2 emissions
Expected to grow by nearly a factor of 3 in 2020 (with respect to 2002 emissions)
The importance of Green ICT (1/2)
Damiano Rapone – Engineering&TILab, Wireless Access Innovation dept.Green networking and renewable energy sources
ICT’s energy consumption rises at ~ 15-20% per year
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This affects the operators’ OPerational EXpenditures (OPEX)
Damiano Rapone – Engineering&TILab, Wireless Access Innovation dept.Green networking and renewable energy sources
The importance of Green ICT (2/2)
Reducing energy consumption not only a matter
of being green and responsible but also economically sustainable
Mobile network’s energy consumption
grows rapidly because of the dramatic
mobile data traffic increase
The price of electricity is continuously
increasing
(+10% annually in European
Union)
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Improve the Energy Efficiency (EE) in all components of the mobile network
Replacing traditional power sources with renewable “green” solutions not only
benefits the environment but also positively impacts operator’s OPEX
Damiano Rapone – Engineering&TILab, Wireless Access Innovation dept.Green networking and renewable energy sources
Mobile networks and renewable energy sources: a possible synergy
The key source of energy consumption is the operation of base stations
(60-80% of the network’s total energy consumption)
Green energy saves on-grid power consumption
Excess electricity sold to the electrical grid
(if connected)
Diesel-powered generators no more needed
(in on-grid sites)
Base station located away from electrical grid
System still works if electrical grid is off
Green power generation dependent on the power
generators’ geo-locations and weather conditions
Higher cost-per-watt of renewable sources
Additional CApital EXpenditures (CAPEX) due to
power generation infrastructure and batteries
Backup batteries to maintain the base station
active when green energy is not sufficient
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ICT’s energy consumption rises at ~ 15-20% per year
Both increasing electricity price and foreseen traffic data growth negatively
impacts operator’s OPEX
Reducing network’s energy consumption for economic and environmental
sustainability renewable energy sources
Improving the Radio Access Network infrastructure
(i.e., base stations) Energy Efficiency is the key to
Green ICT
Conclusions
Damiano Rapone – Engineering&TILab, Wireless Access Innovation dept.Green networking and renewable energy sources
Backup slides
Damiano Rapone – Engineering&TILab, Wireless Access Innovation dept.Green networking and renewable energy sources
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Mobile Energy Efficiency (1/2) In mobile communication networks a large part of the carbon footprint stems
from electricity consumption during operation and manufacturing
Most of the today’s power consumption comes from the RAN:
high number of sites
high and not scalable base station consumptions
Breakdown of Carbon Footprint in Mobile Communications
Mobile Devices Manufacturing
Mobile Devices Operation
RAN sites manufact. & construction
RAN operation
Operator activities
Data centers
Mobile Devices Manufacturing
Mobile Devices Operation
RAN sites manufact. & construction
RAN operation
Operator activities
Data centers
(2007)
Damiano Rapone – Engineering&TILab, Wireless Access Innovation dept.Green networking and renewable energy sources
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Radio access network energy consumption is a considerable portion of the
entire energy consumption of the mobile network, both considering already
deployed network but also growth forecasts due to the increasing mobile ultra-
broadband traffic demand
Areas of potential improvements:
Mobile Energy Efficiency (2/2)
at component / node level: Hardware (HW) improvements can give in a first
stage the most of the gains; in general each new HW generation is typically more energy efficient but will reside unchanged in the network for several years
at system and network level: New functions, network management mechanisms
and RRM algorithms, features typically implemented in SW; potentially can be upgraded and introduced in the network over the lifetime of several HW generations.
Damiano Rapone – Engineering&TILab, Wireless Access Innovation dept.Green networking and renewable energy sources
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Up to now conventional design of Mobile Networks is performed by considering
full load (maximization of the capacity of the nodes; performances traditionally
evaluated in terms of spectral efficiency)
But in practical situations the problem is that:
The simple truth about mobile Energy Efficiency…
Source: EARTH D2.3 deliverable.
(for further details see backup slides at the end of the presentation)
00.00hrs 24.00hrs12.00hrs
Saved energy Telecom
traffic
Energy Consumption
00.00hrs 24.00hrs12.00hrs
Saved energy Telecom
traffic
00.00hrs 24.00hrs12.00hrs
Saved energy Telecom
traffic
Energy Consumption
Much e
nergy
is was
ted
in ti
mes
of l
ow tr
affic l
oad1. most of the time the network
is not loaded
2. in that period base stations
still consume a lot
Damiano Rapone – Engineering&TILab, Wireless Access Innovation dept.Green networking and renewable energy sources