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The Power Management Design for Mobile Terminal Devices Based on Windows CE

Author: YeYue
Tutor: ShiXuGang
School: Zhejiang University of Technology
Course: Communication and Information System
Keywords: Dynamic Power Management Embedded Systems Xscale architecture The portion of memory refresh technology Energy-saving effect
CLC: TN86
Type: Master's thesis
Year: 2009
Downloads: 157
Quote: 1
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Abstract


Today 's embedded systems have been integrated into all aspects of people's lives , such as satellite , personal digital assistants PDA , music phone , MP3 , etc. . Despite many embedded systems use rechargeable batteries , and the development of battery technology improves energy savings in embedded systems , but in the case of increasing the functional requirements of embedded systems , embedded electricity system become increasingly cramped , to reduce its energy consumption and to extend their use of time , from a software point of view , the various power management techniques have been proposed ; also started from the hardware point of view , the manufacturers during the system design , power management consider within , from a hardware perspective to support power management, easier software power management . The most typical Intel Xscale architecture supports dynamic voltage management DVM , the Dynamic Frequency manage DFM, PMU (Performance monitor Unit) to control the power state of the system to judge the current system load services provide some interface hardware . The work I have done in this paper is as follows : 1 . Development project of a smart phone combined with a well-known mobile phone developers --- the first use of the kernel ARMIO (Intel Xscale PXA300) based WINCE5.0 operating system with dual-mode mobile TV enabled smart phone ( GSM / PHS) design using the WPM (Windows Power Manager) with IPM (IntelPower Manager) , a combination of product-level power management framework . Introduced based on Intel Xscale architecture hardware features portion of memory refresh technology , making the system memory to further reduce power consumption in StandBy and Sleep state . DVFS ( dynamic the FM voltage regulator ) system . Focuses on Intel 's IPM , probing the DVFS algorithm platform for this project , does not affect the performance of the system based on saving more energy .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radio equipment,telecommunications equipment > Power supply
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