NDLI: Analysis of energy saving using cooperation use-case: WiFi and WiMedia

Content Provider	IEEE Xplore Digital Library
Author	Radwan, A. Albano, M. Rodriguez, J. Verikoukis, C.
Copyright Year	2012
Description	Author affiliation: Instituto de Telecomunicações, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal (Radwan, A.; Albano, M.; Rodriguez, J.) \|\| Centre Tecnologic de Telecomunicacions de Catalunya (CTTC), Castelldefels, Barcelona, 08860, Spain (Verikoukis, C.)
Abstract	Multi-standard mobile devices are allowing users to enjoy higher data rates and ubiquitous connectivity. These advances are achieved on the expense of higher energy consumption requirements due to the continuous connectivity and the multiple active wireless interfaces. In this paper, we use one advantage of the multiple interfaces, namely short range communications. Mobile terminals use short range cooperative network to take advantage of the good channel quality of short range links to save energy in multi-standard mobile terminals. In this cooperative network, the combined energy of all MTs is treated as a pool of resources, which is used by all MTs in the network. Toward this end, we propose cooperation between mobile terminals using short-range technology to achieve energy savings. We conduct a quantitative numerical analysis to show the energy saving gains that can be achieved. We derive the energy gains in different use cases, considering the combination of WiFi and WiMedia in different channel conditions. We show that up to 80% energy savings can be achieved when using a combination compared to using WiFi without cooperation. We also show that short range cooperation can be used to extend the lifetime of the whole network. In such scenario, terminals, which are running out of battery or low in energy, can still relay their data through other mobile terminals, even with slight increase in the total energy consumption. The increase in the energy consumption of the relays can hence be compensated by some kind of payment, which opens opportunities for new business models.
Starting Page	1
Ending Page	10
File Size	246996
Page Count	10
File Format	PDF
ISBN	9781467303200
e-ISBN	9781905824304
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-04
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	IIMC Ltd
Subject Keyword	Strontium Energy consumption Energy Saving IEEE 802.11 Standards Cooperation Mobile communication Mobile handsets Energy efficiency Short-range Communications Energy trap Relays
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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