NDLI: Mobile devices user — The subscriber and also the publisher of real-time OLED display power management plan

Content Provider	IEEE Xplore Digital Library
Author	Yiran Chen Xiang Chen Mengying Zhao Xue, C.J.
Copyright Year	2012
Description	Author affiliation: Department of Electrical and Computer Engineering, University of Pittsburgh, Pittsburgh, PA, USA 15261 (Yiran Chen; Xiang Chen) \|\| Department of Computer Science, City University of Hong Kong, Hong Kong, China 999077 (Mengying Zhao; Xue, C.J.)
Abstract	OLED (Organic Light Emitting Diode) technology has already been adopted in many modern smart mobile devices, including cellphones, tablets, laptop etc. However, the power dissipation of displays in some applications like real-time video streaming, significantly limits the smart mobile devices' battery life and influences user experience. In this work, we applied a set of power management techniques that based on the dynamic voltage scaling (DVS) to minimize the power consumption of OLED display. Circuit inventions are also introduced to enable the local voltage scaling of AMOLED display panel while the human vision reception criteria can still be met. We then apply the DVS-based power management techniques to online video streaming, which is the most energy-hungry application of mobile devices: For any known type of mobile devices with AMOLED displays, the DVS power management scheme of a specific video stream can be pre-analyzed and shared on network, i.e., the Cloud or local party that provide the video. The DVS scheme can be downloaded in the real-time simultaneously when the video is broadcasted to the end users. By doing so, the power and computation overheads of DVS optimization are amortized among all the users, achieving a high service quality. Furthermore, the optimization can be executed locally (at user end) and shared by all the users.
Starting Page	687
Ending Page	690
File Size	844654
Page Count	4
File Format	PDF
ISBN	9781450315739
ISSN	10923152
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Association for Computing Machinery, Inc. (ACM)
Subject Keyword	Organic light emitting diodes Voltage control Streaming media Optimization Mobile handsets Real-time systems Power demand
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Computer Science Applications Software

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