Method and apparatus for mobile terminal power management

• US 9,003,219 B2
• Filed: 09/14/2012
• Issued: 04/07/2015
• Est. Priority Date: 09/14/2011
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Liu, Bo
• Primary Examiner(s): Cao, Chun
• Application Number:
  US13/616,998
• Publication Number:
  US 20130067263A1
• Time in Patent Office: 935 Days
• Field of Search: 713/300, 713/320, 713/340, 455/574
• US Class Current: 713/340
• CPC Class Codes: G06F 1/3206 Monitoring of events, devices or parameters that trigger a change in power modality
• CPC Class Codes: G06F 1/3212 Monitoring battery levels, e.g. power saving mode being initiated when battery voltage goes below a certain level
• CPC Class Codes: H04W 52/0225 using monitoring of external events, e.g. the presence of a signal
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A method and apparatus for mobile terminal power management is provided in this invention, which belongs to communication field. The method comprises: obtaining a reserving condition and power consumption per unit time of an application requiring power reservation, the reserving condition comprising a reserving time; according to the reserving condition and the power consumption per unit time, calculating an amount of power required to be reserved for the application; and reserving power for the application according to the amount of power required to be reserved for the application. The apparatus comprises: an obtaining module, a calculation module, and a power reservation module. Through calculating an amount of power required to be reserved during a reserving period of time for the application requiring power reservation, this invention can guarantee the use of an important application or application of priority as selected by a user.

Claims

1. A method for mobile terminal power management, characterized in that the method comprises:

obtaining a reserving condition and power consumption per unit time of an application requiring power reservation, the reserving condition comprising a reserving time;

calculating an amount of power required to be reserved for the application according to the reserving condition and the power consumption per unit time; and

reserving power for the application according to the amount of power required to be reserved for the application,

wherein the calculating the amount of power comprises;

calculating an actual reserving time for the application according to a current time and the reserving time, and

calculating the amount of power required to be reserved for the application according to the actual reserving time for the application and the power consumption per unit time.

2. The method according to claim 1, characterized in that, obtaining a reserving condition and power consumption per unit time of an application requiring power reservation comprises:

obtaining the reserving time of the application according to a user setting; and

obtaining the power consumption per unit time of the application according to a preset value of the power consumption per unit time of the application or through detecting and collecting statistics of power consumption of the application in a predetermined period of time.

3. The method according to claim 2, characterized in that, obtaining the power consumption per unit time of the application through detecting and collecting statistics of power consumption of the application in a predetermined period of time comprises:

detecting and collecting statistics of power consumption per unit time of hardware modules used in the application, respectively;

calculating the power consumption per unit time of the application according to the power consumption per unit time of hardware modules used in the application.

4. The method according to claim 1, characterized in that, the reserving condition further comprises a usage mode, and then obtaining a reserving condition and power consumption per unit time of an application requiring power reservation further comprises:

obtaining the usage mode according to a user setting, and the power consumption per unit time corresponds to the usage mode.

5. The method according to claim 1, characterized in that, the reserving condition further comprises usage environment, and then obtaining a reserving condition and power consumption per unit time of an application requiring power reservation further comprises:

obtaining the usage environment according to a user setting or a network status of the mobile terminal in a predetermined period of time.

6. The method according to claim 5, characterized in that, calculating an amount of power required to be reserved for the application according to the reserving condition and the power consumption per unit time comprises:

calculating an amount of power required to be reserved for the application according to the reserving time and the power consumption per unit time of the application requiring power reservation;

correcting the amount of power required to be reserved for the application according to the usage environment.

7. The method according to claim 1, characterized in that, reserving power for the application according to the amount of power required to be reserved for the application comprises:

calculating the difference between a current remaining power of the mobile terminal and the amount of power required to be reserved for that application;

comparing the difference to a preset value, and if the difference is less than or equal to the preset value, then keeping applications in OFF state except for the application requiring power reservation, or

keeping applications in OFF state except for the application requiring power reservation, and turning off hardware modules that are not to be used by the application.

8. An apparatus for mobile terminal power management, characterized in that the apparatus comprises:

an obtaining module for obtaining a reserving condition and power consumption per unit time of an application requiring power reservation, the reserving condition comprising a reserving time;

a calculation module for calculating an amount of power required to be reserved for the application according to the reserving condition and the power consumption per unit time; and

a power reservation module for reserving power for the application according to the amount of power required to be reserved for the application,

wherein the calculation module calculates an actual reserving time for the application according to a current time and the reserving time, and calculates the amount of power required to be reserved for the application according to the actual reserving time for the application and the power consumption per unit time.

9. The apparatus according to claim 8, characterized in that the obtaining module comprises:

a reserving time obtaining unit for obtaining a reserving time of the application according to a user setting;

power consumption per unit time obtaining unit for obtaining power consumption per unit time of the application according to a preset value of the power consumption per unit time of the application, or through detecting and collecting statistics of power consumption of the application requiring power reservation in a predetermined period of time.

10. The apparatus according to claim 9, characterized in that the power consumption per unit time obtaining unit comprises:

a detecting and collecting subunit for detecting and collecting statistics of power consumption per unit time of hardware modules used by the application, respectively;

a calculating subunit for calculating the power consumption per unit time of the application according to the power consumption per unit time of hardware modules used by the application based on the statistics collected by the detecting and collecting subunit.

11. The apparatus according to claim 9, characterized in that the obtaining module further comprises:

a usage mode obtaining unit for obtaining a usage mode according to a user setting;

wherein the power consumption per unit time of the application obtained by the power consumption per unit time obtaining unit corresponds to the usage mode obtained by the usage mode obtaining unit.

12. The apparatus according to claim 9, characterized in that the obtaining module further comprises:

a usage environment obtaining unit for obtaining a usage environment according to a user setting or a network status of the mobile terminal in a predetermined period of time.

13. The apparatus according to claim 12, characterized in that the calculation module comprises:

a calculating unit for calculating an amount of power required to be reserved for the application according to the reserving time and the power consumption per unit time of the application requiring power reservation obtained by the obtaining module;

a correction unit for correcting the calculated amount of power required to be reserved for the application by the calculating unit according to the usage environment obtained by the usage environment obtaining unit.

14. The apparatus according to claim 8, characterized in that the power reservation module comprises:

a difference calculating unit for calculating the difference between a current remaining power of the mobile terminal and the amount of power required to be reserved for the application;

a comparison unit for comparing the difference calculated by the difference calculating unit to a preset value;

an execution unit for keeping applications in OFF state, except for the application requiring power reservation when the comparison result of the comparison unit is less than or equal to the preset value, or

keeping applications in OFF state, except for the application requiring power reservation, and turning off hardware modules that are not to be used by the application.

15. A method for mobile terminal power management, comprising:

obtaining, by a mobile terminal power management device, a reserving condition and power consumption per unit time of an application requiring power reservation, the reserving condition comprising a reserving time;

determining an amount of power required to be reserved for the application according to the reserving condition and the power consumption per unit time; and

reserving power for the application according to the amount of power required to be reserved for the application,

wherein the calculating the amount of power comprises;

determining an actual reserving time for the application according to a current time and the reserving time, and

determining the amount of power required to be reserved for the application according to the actual reserving time for the application and the power consumption per unit time.