This study presents an overview of sustainable and green cellular base stations (BSs), which account for most of the energy consumed in cellular networks. We review the architecture of the BS and the power consumption model, and then summarize the trends in green cellular network research over the past decade.
According to the measurements and analyses conducted by SK Telecom and NTT DOCOMO, there are some gaps in the implemented features and the energy saving capabilities among different vendors’ equipment and there is still room to improve energy consumption in the equipment.
SK Telecom and NTT DOCOMO carried out energy consumption tests for various types of RUs under the same measurement conditions and methodology. In the tests, energy consumption of RUs was measured when they were in the idle mode, but not in the maximum traffic load condition.
Cellular network operators attempt to shift toward green practices using two main approaches. The first approach uses energy-efficient hardware to reduce the energy consumption of BSs at the equipment level and adopts economic power sources to feed these stations.
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Energy efficiency and renewable energy are the main pillars of sustainability and environmental compatibility. This study presents an …
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However, the design of a green mobile network requires the dimensioning of the energy harvesting and storage systems through the estimation of the network’s energy …
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A green communication scheme using anorthogonal wavefront (WF) multiplexing scheme spatially combined with orthogonal frequency-division multiplexing (OFDM) …
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The base station antennae are mounted on tall towers because it is easier to stay in communications with mobile phone users and avoid obstacles such as tall buildings, trees, …
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The green base station solution involves base station system architecture, base station form, power saving technologies, and application of green technologies. Using SDR …
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This paper discusses the site optimization technology of mobile communication network, especially in the aspects of enhancing coverage and optimizing base station layout. …
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Base station construction requires the coordination of multiple resources and is hindered by difficult site selection and stringent compliance requirements, resulting in long …
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TOKYO, JAPAN, May 30, 2024 --- NTT DOCOMO, INC. announced today that it launched Japan''s first demonstration experiment1 of a self-powered …
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Energy saving potential of integrated hardware and resource management solutions for wireless base stations,” in 2011 IEEE 22nd International Symposium on Personal Indoor …
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Base stations for mobile communications account for approximately 70% of the power consumed in DOCOMO''s operations in Japan. To reduce CO2 emissions from base …
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In today’s 5G era, the energy efficiency (EE) of cellular base stations is crucial for sustainable communication. Recognizing this, Mobile Network Operators are actively prioritizing EE for …
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SK Telecom and NTT DOCOMO believe that reducing energy consumption and introducing effective energy saving technologies in the mobile communication networks are …
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The provider already has 286 green base stations powdered by solar-power systems and large-capacity storage batteries in operation …
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The green base station solution involves base station system architecture, base station form, power saving technologies, and application of green technologies. Using SDR …
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Demonstration Experiment Overview 1. Background Base stations for mobile communications account for approximately 70% of the power consumed in DOCOMO''s …
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NTT DOCOMO has launched Japan''s first self-powered hydropower cellular base station, utilizing irrigation canal water for …
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In a move to advance sustainable telecom infrastructure, NTT DOCOMO launched a trial of Japan’s first self-powered hydropower mobile base station in May 2024. The …
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In future 5G mobile communication systems, a number of promising techniques have been proposed to support a three orders of magnitude higher network load compared to what …
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