Downloading: Traffic Reduction: A Wifi Energy Efficiency Management
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Traffic Reduction: A Wifi Energy Efficiency Management

Rophina Rodrigo R.L., S.Muthukumarasamy

Abstract: Wi-Fi (Wireless Fidelity) is a popular technology that allows an electronic device to exchange data wirelessly (using radio waves) over a computer network, including high-speed Internet connections. The Wi-Fi consists of Access Points (AP) and several clients. Large number of clients makes use of single APs. This will lead to traffic, which in turn lead to loss of energy and battery lifetime in Mobile Devices. One of the early protocols used is Power Save Mode (PSM) in which the client wakes up periodically. The solution is that, there contains a technology called SleepWell, a system that achieves energy efficiency by evading network contention. That is, the client will give the request to the AP and battery of the mobile devices will be in sleep mode. The Access Points regulates clients sleeping window in which the APs may be active or inactive during the process. It also dynamically schedules the requests that are given to the AP by clients. And finally provides the response to the client. As soon as the response from the AP is provided, the mobile devices will come to active mode again. The solution is analogous to the common wisdom of going late to office and coming back late, thereby avoiding the rush hours. The technique used in this is SleepWell Queuing Technique in which the traffic can be avoided and the battery lifetime of the mobile devices can be maintained. The gain will be more even when the WiFi links are weak.

Keywords: Wireless Fidelity, WiFi, Access Points, AP, SleepWell, Power Save Mode, PSM, Network Traffic



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