5G

1. Beginners:
Energy Consumption in
Mobile Networks
RAN Power Saving Schemes
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2. Mtoe = million tonnes oil equivalent
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7. Ideal vs Real RAN Power Consumption
Load
Power
Consumption
max
100%
0%
Static Part
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Dynamic Part
Based on original from Huawei Presentation

8. Network
Level
SON
Energy
Optimization
Policies
AI / ML
Based
policies
Site
Level
Site co-
ordination
Carrier
switch-off
Equipment
Level
Energy
efficient
equipment
Three Layers of RAN Energy Savings
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9. RAN Energy Saving Trade-off
S
Energy Saving Scenario
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T
Energy Saving Time/Duration
D
Based on original from Huawei Presentation
Energy Saving Depth/Features

10. Multiple Generations with multiple carriers
2G Macro
3G Macro
4G Macro layer 1
4G Macro layer 2
4G Macro layer 3
5G Coverage Layer
5G Capacity Layer
5G mmWave Layer
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11. Enabling Energy Efficiency in 5G Network
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12. Symbol-Level Shutdown
Frequency
Symbol
RF Power
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13. Power consumption comparisons of different 5G NR operational
states in an Ericsson Radio product.
Source:Ericsson
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14. Intelligent scheduling
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15. References
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• Interdigital / ABI Research: Environmentally Sustainable 5G Deployment, Nov 2020 (link)
• GSMAi: 5G energy efficiencies: green is the new black, Nov 2020 (link)
• Huawei / Analysys Mason - Green 5G: Building a Sustainable World, August 2020 (link)
• European Scientific Journal: 5G Energy Efficiency Overview, Jan 2021 (link)
• Huawei/GSMA Webinar - Green 5G: Optimising RAN energy efficiency, Ray Williamson, July 2020 (link)
• Ericsson: 5G energy consumption: what’s the impact of 5G NR in real networks?, Oct 2021 (link)
• ZTE and China Unicom pilot 5G base station energy saving technologies, Aug 2020 (link)
• Orange Hello Future: 5G : energy efficiency “by design”, Feb 2020 (link)
• SCMP: 5G towers are consuming a lot of energy, so China Unicom is putting some of them to sleep overnight, Aug 2020
(link)
• Light Reading: Powering 5G cell sites may rack up big costs for operators, Feb 2020 (link)
• Telecom TV: Power consumption reduction “very much on the agenda,” says BT’s CTIO, Dec 2020 (link)
• Free 6G Training: 5G Limitations and Radical 6G Innovations, Jan 2021 (link)
• Light Reading: 5G Basestations Are Hungry, Hungry Hippos, June 2019 (link)
• The 3G4G Blog: Huawei's Power Digitalization 2025 Summit, Dec 2020 (link)
• Ericsson: Breaking the energy curve: how to roll out 5G without increasing energy consumption, Mar 2020 (link)
• ZTE Communications, Special Topic on Energy Consumption Challenges and Prospects on B5G Communication Systems,
March 2021, Vol. 19 No. 1 (link)

16. Thank You
To learn more, visit:
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