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Current generation of smartphones is running more and more complex applications that reduce the battery life to as short as several hours. Thus, it becomes very important to understand the diversities of applications installed on smartphones and how batteries are consumed across different applications. This paper presents a large-scale battery study on smartphones focusing on diversities in applications...
Mobile users always require an excellent user experience which is the top challenge faced by today's mobile device designers and producers. Mobile devices are battery constrained, thus developing energy-saving techniques to extend the battery life is critical in terms of the user experience. Since the discrepancy between the device energy and battery energy consumption is becoming large when the battery...
Modern mobile software and hardware is dominated by a paradox: while devices become smaller and services more resource- and energy-demanding, batteries almost maintain size and power. Among them, the multimedia applications consume the most of battery power. By measuring the battery charging level and efficiently estimating the remaining operational time of a portable device, reasonable usage of the...
We studied consumer attitudes towards different aspects of mobile peer-to-peer services by administering questionnaires to Finnish consumers using advanced handsets (N = 196). Most of the intention to use non-established services did not materialize as actual usage. Music and software downloading attracted most payment willingness. Legal file sharing stood out as a promising new business model. Respondents...
This paper describes energy consumption demographic data in operating real mobile networks. We examine published data from NTT DoCoMo, which is the largest mobile telecommunication operator in Japan and operating nationwide 3G networks, and identify the most power consuming part is of radio access networks including base tranciever stations. We also investigate power consumption of terminals, and...
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