NDLI: Prolonging battery usage time in smart phones

Content Provider	IEEE Xplore Digital Library
Author	Kun Wei Wuxiong Zhang Yang Yang
Copyright Year	2013
Description	Author affiliation: Shanghai Inst. of Microsyst. & Inf. Technol., Shanghai, China (Kun Wei; Wuxiong Zhang; Yang Yang)
Abstract	As smart phones usually have large high-resolution screens, many fancy functions, multiple communication modes and interfaces, and powerful processing capabilities, their power consumption is unsurprisingly much higher than traditional voice-centric phones. Unfortunately, the growth of battery capacity is far below the needs of smart phones and new applications, hence it is of great importance and strong interest to mobile users and service providers to prolong the usage time of smart phones without affecting quality of service (QoS) and user experience. To address this challenging issue, we develop a cross-disciplinary approach in this paper by jointly considering battery discharge and recovery characteristics with service/user requirements in energy efficient protocol design. Specifically, based on extensive experiments, we study and model the characteristics of battery recovery effect in a smart phone, under different discharge currents, discharge time and recovery time. A practical power consumption model for smart phone is then derived from real measurement data and empirical formulae. Further, this new model is applied to develop and implement a battery-aware protocol for online continuous music streaming service. Experimental results show the proposed protocol can effectively exploit the battery recovery effect in a smart phone and achieve a 10% gain in usage time while satisfying standard service and user requirements.
Starting Page	2360
Ending Page	2364
File Size	526606
Page Count	5
File Format	PDF
ISBN	9781467331227
ISSN	15503607
DOI	10.1109/ICC.2013.6654883
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-09
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quality of service Reliability Smart Phone Energy Efficient Battery Recovery Effect
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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