3GPP SON Series: Energy Savings (ES)

•

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This SON tutorial is part of the 3GPP Self-Organizing Networks series (#3GPPSONSeries). In this part we will look at how SON enables Energy Savings All our #3G4G5G slides and videos are available at: Videos: https://www.youtube.com/3G4G5G Slides: https://www.slideshare.net/3G4GLtd SON Page: https://www.3g4g.co.uk/SON/ 5G Page: https://www.3g4g.co.uk/5G/ Free Training Videos: https://www.3g4g.co.uk/Training/

3GPP SON Series:
Energy Savings
(ES)
@3g4gUK

RAN OpEx
©3G4G
15%
30%
30%
10%
15%
RAN OPEX
Power Consumption Site Rental Operations Manpower Other Hw & Sw
Power Consumption
• 5G has increased the power
consumption with massive
MIMO being the main culprit
• One solution being used in
practice is to switch off
equipment in the night

Energy Saving Approaches
©3G4G
• Switch-off cells that are lightly loaded or not in use during off-peak
hours
• Switching cells off should not create coverage holes
• Power Amplifiers are the biggest source of power consumption for
an eNB, cell switch-off is essentially only the transmitter/receiver
being switched off.
• Adapt the Transmission Power
• Adapt the multi-antenna schemes (Single antenna, SIMO, MIMO,
Beamforming)

Cell Activation / Deactivation for ES
©3G4G
X2-AP: eNB Configuration Update Acknowledge
X2-AP: eNB Configuration Update
eNB 1 eNB 2
X2-AP: Cell Activation Response
X2-AP: Cell Activation Request
eNB 1 eNB 2

©3G4G
Source, Nomor Research. See Reference [1]

References and Further Reading
©3G4G
• Self-Organizing Networks (SON) in 3GPP Long Term Evolution by Sujuan
Feng and Eiko Seidel, Nomor Research (link)
• Self Organizing Networks for 3GPP LTE by Aderemi A. Atayero,
Oluwadamilola I. Adu and Adeyemi A. Alatishe (link)
• From 4G to 5G: Self-organized Network Management meets Machine
Learning by Jessica Moysen and Lorenza Giupponi (link)
• 3G4G: Self-Organizing Networks / Self-Optimizing Networks (link)
• The 3G4G Blog: SON (link)

Thank You
To learn more, visit:
3G4G Website – https://www.3g4g.co.uk/
3G4G Blog – https://blog.3g4g.co.uk/
Telecoms Infrastructure Blog – https://www.telecomsinfrastructure.com/
Operator Watch Blog – https://www.operatorwatch.com/
Connectivity Technology Blog – https://www.connectivity.technology/
Free 5G Training – https://www.free5gtraining.com/
Free 6G Training – https://www.free6gtraining.com/
Follow us on Twitter: https://twitter.com/3g4gUK
Follow us on Facebook: https://www.facebook.com/3g4gUK/
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©3G4G

Now a day smart phone users are increased and the energy consumption problem in mobile industry has become crucial. For the growth of mobile industry energy efficiency of the system must be improved. In order to improve the methods of network energy usage usually reduction of the Base Stations are to be employed. The mobile industry faces a critical energy consumption challenge. By 2014 smart phones will exceed 1.82 billion units and surpass PCs as the most common web access devices. That’s why it is one of the important things. As all know that a smart is mainly for easy access to the network at anytime and anywhere. So it employs powering up all the Radio Base Stations (RBS’s) at maximum power. Since there are more number of service providers competition exist at the field of telecommunication. So it yields in more energy consumption to get monopoly among them. In the field of engineering, a system is usually designed to transform energy to useful work. Energy Efficiency can therefore be defined as the ratio of useful work to the total supplied energy. The useful work in a communication system refers to the effort to deliver modulated signals for information exchange. The definition of Energy Efficiency varies according to measured objects. There are two basic methods to measure Energy Efficiency. One way is to define Energy Efficiency as the ratio of efficient output power/energy to total input power/energy. This definition is widely used by systems and components such as power supply, Power Amplifiers, and antennas. The other way defines Energy Efficiency as the performance per unit of energy consumption. The seminar gives a brief description about the methods to manage the network energy even when the on time access to network by mobile phones. Also gives a summary about existing and latest methodologies about the management in RBS’s.

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3GPP SON Series: Energy Savings (ES)

1. 3GPP SON Series: Energy Savings (ES) @3g4gUK

2. RAN OpEx ©3G4G 15% 30% 30% 10% 15% RAN OPEX Power Consumption Site Rental Operations Manpower Other Hw & Sw Power Consumption • 5G has increased the power consumption with massive MIMO being the main culprit • One solution being used in practice is to switch off equipment in the night

3. Energy Saving Approaches ©3G4G • Switch-off cells that are lightly loaded or not in use during off-peak hours • Switching cells off should not create coverage holes • Power Amplifiers are the biggest source of power consumption for an eNB, cell switch-off is essentially only the transmitter/receiver being switched off. • Adapt the Transmission Power • Adapt the multi-antenna schemes (Single antenna, SIMO, MIMO, Beamforming)

4. Cell Activation / Deactivation for ES ©3G4G X2-AP: eNB Configuration Update Acknowledge X2-AP: eNB Configuration Update eNB 1 eNB 2 X2-AP: Cell Activation Response X2-AP: Cell Activation Request eNB 1 eNB 2

6. References and Further Reading ©3G4G • Self-Organizing Networks (SON) in 3GPP Long Term Evolution by Sujuan Feng and Eiko Seidel, Nomor Research (link) • Self Organizing Networks for 3GPP LTE by Aderemi A. Atayero, Oluwadamilola I. Adu and Adeyemi A. Alatishe (link) • From 4G to 5G: Self-organized Network Management meets Machine Learning by Jessica Moysen and Lorenza Giupponi (link) • 3G4G: Self-Organizing Networks / Self-Optimizing Networks (link) • The 3G4G Blog: SON (link)

7. Thank You To learn more, visit: 3G4G Website – https://www.3g4g.co.uk/ 3G4G Blog – https://blog.3g4g.co.uk/ Telecoms Infrastructure Blog – https://www.telecomsinfrastructure.com/ Operator Watch Blog – https://www.operatorwatch.com/ Connectivity Technology Blog – https://www.connectivity.technology/ Free 5G Training – https://www.free5gtraining.com/ Free 6G Training – https://www.free6gtraining.com/ Follow us on Twitter: https://twitter.com/3g4gUK Follow us on Facebook: https://www.facebook.com/3g4gUK/ Follow us on LinkedIn: https://www.linkedin.com/company/3g4g Follow us on SlideShare: https://www.slideshare.net/3G4GLtd Follow us on YouTube: https://www.youtube.com/3G4G5G ©3G4G

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