http://www.cnr.it/ontology/cnr/individuo/prodotto/ID64075

An Energy-Aware Multimedia Streaming Protocol for Mobile Users (Articolo in rivista)

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An Energy-Aware Multimedia Streaming Protocol for Mobile Users (Articolo in rivista) (literal)

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Alternative label

[1] Conti M., [1] Gregori E., [1] Pelusi L., [1] Passarella A., [2] Anastasi G. (2006)
An Energy-Aware Multimedia Streaming Protocol for Mobile Users
in International journal of pervasive computing and communications (Print); Troubador Publishing, Leicester (Regno Unito)
(literal)

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[1] Conti M., [1] Gregori E., [1] Pelusi L., [1] Passarella A., [2] Anastasi G. (literal)

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[1] CNR-IIT, Pisa, Italy; [2] Dipartimento di Ingegneria dell'Informazione, Università di Pisa, Italy (literal)

Titolo

Abstract

Energy saving, audio streaming, Wi-Fi, mobile computing, proxy (literal)
Pervasive services and smart environments are becoming more and more popular as an ever-increasing number of people enjoys these services typically by means of portable devices. These devices are battery-fed and, thus, energy efficiency is a critical factor for the deployment of pervasive services. In this paper we focus on multimedia streaming services for mobile users. Specifically, we consider a scenario where mobile users with Wi-Fi devices access the Internet to receive audio files from a remote streaming server. We propose a proxybased architecture and an energy-efficient streaming protocol that minimize the energy consumption of the Wi-Fi interface at the mobile device, while guaranteeing the real-time constraints of the audio streaming. The experimental analysis performed on a prototype implementation shows that our solution allows an energy saving ranging from 76% to 91% of the total consumption due to the network interface. Moreover, it also preserves a good user-level Quality of Service. (literal)

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