Optimized hibernate mode for wireless device

A pattern, technology of communication equipment, applied in the direction of program control design, program control device, memory address/allocation/relocation, etc.

Inactive Publication Date: 2014-02-05
SONY ERICSSON MOBILE COMM AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A problem with this approach is the power consumed to keep the entire RAM in refresh mode

Method used

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  • Optimized hibernate mode for wireless device
  • Optimized hibernate mode for wireless device
  • Optimized hibernate mode for wireless device

Examples

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Embodiment Construction

[0037] Several embodiments are described below with reference to the drawings, wherein like numerals are used to refer to like parts throughout. It should be understood that these figures are not necessarily drawn to scale.

[0038]Various embodiments of improved systems and methods for launching one or more computer applications are described below with reference to the accompanying figures. Although the present invention will be described in connection with a mobile phone, it should be clear that aspects of the disclosed method may be applied to other electronic devices such as, but not limited to, video cameras, music players, personal digital assistants, desktop computers, laptop Computers, Tablets, Notebooks, etc.

[0039] The present invention provides a system and method for improving boot times associated with electronic devices with improved power performance. As described herein, the state of the electronic device is assumed to be held in RAM in a power-efficient m...

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PUM

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Abstract

A system and method for reducing in boot time in an electronic device (10) are disclosed. In one embodiment, a command to power off the electronic device is received. An amount of information stored in at least one of the plurality of memory banks of RAM (60) containing data is calculated. A determination is made as to whether the RAM has sufficient storage space to store compacted data and also form a RAM disk in a portion of the RAM, wherein the step of determining is based at least in part on the amount of information calculated. A RAM disk is initiated in an available memory bank of RAM. The RAM is compacted and a hibernate command is executed wherein the RAM disk is a target for storing the compacted RAM. Power is maintained to memory banks that form the RAM disk and the processor (42) of the portable communication device is set to a power collapse mode.

Description

technical field [0001] The techniques of the present disclosure generally relate to systems and methods for improving the boot time of electronic devices. Background technique [0002] For many electronic devices, it usually takes a considerable amount of time to prepare for use when being powered on by a user. This is especially true for electronic devices that require time to boot before operating normally. It is convenient for such electronic devices to reduce boot time. [0003] Conventional methods already exist that can be used to support reduced boot time. For example, boot time can be reduced by avoiding a cold boot that powers off the device each time. Another method is the so-called "sleep mode," which generally refers to storing the contents of random access memory (RAM) in non-volatile memory before the electronic device enters a powered-off state. In the powered-on state of the electronic device, the stored RAM content is read back from the NVM, and the RAM ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/02G06F1/32
CPCG06F12/023G06F9/4418G06F1/3203G06F1/3287G06F9/445G06F12/06Y02D10/00
Inventor W·波拉诺斯基H·维塞尔
Owner SONY ERICSSON MOBILE COMM AB
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