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Power management via coordination and selective operation of timer-related tasks

A timer and task technology, applied in power management, instruments, electronic switches, etc., can solve the problem that the equipment does not have too many things to do

Active Publication Date: 2016-08-10
MICROSOFT TECH LICENSING LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the timer expires, the device may not have much to do
For example, the device may have no new email messages to send to a remote email server
Additionally, a mobile computing device may be woken only to perform unnecessary actions such as updating a display that is currently disabled

Method used

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  • Power management via coordination and selective operation of timer-related tasks
  • Power management via coordination and selective operation of timer-related tasks
  • Power management via coordination and selective operation of timer-related tasks

Examples

Experimental program
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Embodiment Construction

[0023] This application describes techniques and tools for managing power consumption of mobile computing devices through coordinated and selective operation of timer-based tasks. By employing timers that can expire within an expiration window, a mobile computing device in a low power state can batch tasks associated with multiple timers upon waking up, service multiple timers, and This avoids having to wake up individually to service each expired timer. The power consumption of mobile computing devices can also be reduced through the use of state-based timers. Tasks associated with state-based timers can be performed with one or more of the mobile computing device or its components in (or not in) a specified state. Coordination of keep-alive timers may also provide mobile computing device power savings. A mobile computing device executing multiple applications in communication with various cloud-based service providers can service multiple keep-alive timers in a single acti...

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PUM

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Abstract

Power consumption of the mobile computing device can be reduced through coordination using expiry window timers, state-based timers, and / or keep-alive timers. When a trigger event is detected that causes the mobile computing device to transition from a low power state to an active state, the device is capable of determining whether the trigger event occurred within the timer's expiration window and performing a task associated with the trigger event and the timer . Tasks associated with state-based timers can be performed while the mobile computing device or components thereof are (or are not) in a specified state. A mobile computing device is capable of performing tasks associated with multiple keep-alive timers for maintaining a communication link between the device and a cloud-based service provider in a single active state. A cloud-based keep-alive service can maintain a mobile computing device-service provider communication link by sending one keep-alive communication to the mobile computing device instead of multiple communications.

Description

technical field [0001] The present disclosure relates to power management of mobile computing devices through coordination using timers with expiration windows, state-based timers, and / or keep-alive timers. Background technique [0002] Mobile computing device power consumption and energy efficiency are affected by the amount of processor activity including periodic activity from applications and device drivers. A mobile computing device can reduce its power consumption and thereby increase its battery life by entering a low power state during idle time periods between execution of instructions for software activity. However, processor power management techniques may require a minimal amount of idle time to gain pure power saving benefits. If the mobile computing device is only idle for very short periods of time, the power required to enter and exit the low power state may be greater than the power saved. [0003] Mobile computing devices operate software and hardware tim...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/00H03K17/00H04W4/20
CPCG06F9/4418G06F1/3206H04W52/0261H04W52/0251Y02D10/00Y02D30/70H04W4/20
Inventor S·R·平吉利B·西拉瓦拉M·雷根R·布朗J·曼S·卡鲁比L·徐
Owner MICROSOFT TECH LICENSING LLC