Method and Device for Detecting Temperature of Radio Remote Unit

• US 20150338859A1
• Filed: 12/30/2013
• Published: 11/26/2015
• Est. Priority Date: 01/25/2013
• Status: Active Grant

• Current Assignee: Datang Mobile Communications Equipment Company Limited (China Information Communication Technology Group Co. Ltd.)
• Original Assignee: Datang Mobile Communications Equipment Company Limited (China Information Communication Technology Group Co. Ltd.)
• Inventors: DUAN, Tao, SUN, Huarong, LEI, Xiaoyu, XING, Liqiang
• Granted Patent: US 10,185,334 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G05D 23/1927 using a plurality of sensors G05D23/1902, G05D23/1917, and G05D23/1919 take precedence
• CPC Class Codes: G05F 1/66 Regulating electric power
• CPC Class Codes: H04W 52/0206 in access points, e.g. base stations access point devices per se H04W88/08
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

The present application provides a method and device for detecting temperature of a radio remote unit, to solve the problem that an RRU could be damaged due to an excessively high temperature. The method includes: acquiring temperature data of a radio remote unit; configuring power data of the radio remote unit according to the temperature data, when the temperature data is less than a temperature threshold or within the temperature threshold; and closing radio frequency channel(s) of the radio remote unit when the temperature data is more than the temperature threshold.

Claims

1. A method for detecting temperature of a radio remote unit, including:

acquiring temperature data of a radio remote unit;

configuring power data of the radio remote unit according to the temperature data, when the temperature data is less than a temperature threshold or within the temperature threshold; and

closing radio frequency channel(s) of the radio remote unit when the temperature data is more than the temperature threshold.

2. The method according to claim 1, wherein the method further includes:

presetting temperature limits, wherein the temperature limits include;

a first limit, a second limit, a third limit and a fourth limit, and in the temperature limits, the fourth limit is more than the third limit, the third limit is more than the second limit, the second limit is more than the first limit; and

adopting the temperature limits to set up the temperature threshold to hierarchically detect the temperature data.

3. The method according to claim 2, wherein, the step of configuring power data of the radio remote unit according to the temperature data, when the temperature data is less than the temperature threshold, includes:

when the temperature data is less than the first limit, determining the temperature data to be less than the temperature threshold; and

adjusting the power data of the radio remote unit to an initial value.

4. The method according to claim 3, wherein, before the step of adjusting the power data of the radio remote unit to the initial value, the method further includes:

if the radio frequency channel(s) of the radio remote unit is closed, then activating the radio frequency channel(s); and

if the radio frequency channel(s) of the radio remote unit is activated, then determining that the power data of the radio remote unit is not equal to the initial value.

5. The method according to claim 2, wherein, the step of configuring power data of the radio remote unit according to the temperature data, when the temperature data is within the temperature threshold, includes:

when the temperature data is more than or equal to the first limit, and the temperature data is less than the second limit, determining the temperature data to be within the temperature threshold; and

continuing to operate the radio remote unit with the power data.

6. The method according to claim 2, wherein, the step of configuring power data of the radio remote unit according to the temperature data, when the temperature data is within the temperature threshold, includes:

when the temperature data is more than or equal to the second limit, and the temperature data is less than the third limit, determining the temperature data to be within the temperature threshold; and

adjusting the power data of the radio remote unit to a first power value.

7. The method according to claim 2, wherein, the step of configuring power data of the radio remote unit according to the temperature data, when the temperature data is within the temperature threshold, includes:

when the temperature data is more than or equal to the third limit, and the temperature data is less than the fourth limit, determining the temperature data to be within the temperature threshold; and

adjusting the power data of the radio remote unit to a second power value.

8. The method according to claim 2, wherein, the step of closing radio frequency channel(s) of the radio remote unit when the temperature data is more than the temperature threshold, includes:

when the temperature data is more than or equal to the fourth limit, determining the temperature data to be more than the temperature threshold, and then closing the radio frequency channel(s) of the radio remote unit.

9. The method according to claim 5, wherein, after the step of acquiring temperature data of a radio remote unit, the method further includes:

detecting switch status of the radio frequency channel(s) of the radio remote unit; and

determining that the radio frequency channel(s) of the radio remote unit is activated.

10. The method according to claim 1, wherein, the step of acquiring temperature data of a radio remote unit, includes:

reading the temperatures transmitted from various sensors in the radio remote unit, when an absolute difference between temperatures transmitted from arbitrary two sensors is more than a setting value, re-reading the temperatures transmitted from various sensors;

otherwise, constructing the temperatures transmitted from various sensors as the temperature data of the radio remote unit.

11. The method according to claim 10, wherein, the step of reading the temperatures transmitted from various sensors in the radio remote unit, when an absolute difference between temperatures transmitted from arbitrary two sensors is more than a setting value, re-reading the temperatures transmitted from various sensors;

otherwise, constructing the temperatures transmitted from various sensors as the temperature data of the radio remote unit, includes;

reading temperatures transmitted from sensors at various power amplifiers in the radio remote unit, when an absolute difference between temperatures transmitted from arbitrary two sensors at various power amplifiers is more than a first setting value, re-reading the temperatures transmitted from the sensors at various power amplifiers;

when the absolute difference between temperatures transmitted from the sensors at various power amplifiers is less than the first setting value, reading temperatures transmitted from sensors at other regions except various power amplifiers;

when an absolute difference between temperatures transmitted from arbitrary two sensors at other regions except various power amplifiers is more than a second setting value, re-reading temperatures transmitted from the sensors at other regions except various power amplifiers; and

when the absolute difference between temperatures transmitted from various sensors at other regions except various power amplifiers is less than the second setting value, constructing the temperatures transmitted from various sensors as the temperature data of the radio remote unit.

23. A computer readable recording medium in which a program for executing the method according to claim 1 is recorded.

12. A device for detecting temperature of a radio remote unit, including:

an acquisition module, configured to acquire temperature data of a radio remote unit;

a power adjustment module, configured to configure power data of the radio remote unit according to the temperature data, when the temperature data is less than a temperature threshold or within the temperature threshold; and

a channel closing module, configured to close radio frequency channel(s) of the radio remote unit when the temperature data is more than the temperature threshold.

13. The device according to claim 12, wherein the device further includes:

a presetting module, configured to preset temperature limits, wherein the temperature limits comprises;

a first limit, a second limit, a third limit and a fourth limit, and in the temperature limits, the fourth limit is more than the third limit, the third limit is more than the second limit, and the second limit is more than the first limit; and

a threshold setup module, configured to adopt the temperature limits to set up the temperature threshold to hierarchically detect the temperature data.

14. The device according to claim 13, wherein,

the power adjustment module is configured to, when the temperature data is less than the first limit, determine the temperature data to be less than the temperature threshold;

and adjust power data of the radio remote unit to an initial value.

15. The device according to claim 14, wherein,

the power adjustment module is further configured to, before adjusting the power data of the radio remote unit to the initial value, if the radio frequency channel(s) of the radio remote unit is closed, then activate the radio frequency channel(s);

and if the radio frequency channel(s) of the radio remote unit is activated, then determine that the power data of the radio remote unit is not equal to the initial value.

16. The device according to claim 13, wherein,

the power adjustment module is configured to, when the temperature data is more than or equal to the first limit, and the temperature data is less than the second limit, determine the temperature data to be within the temperature threshold, continue to operate the radio remote unit with the power data.

17. The device according to claim 13, wherein,

the power adjustment module is configured to, when the temperature data is more than or equal to the second limit, and the temperature data is less than the third limit, determine the temperature data to be within the temperature threshold, and adjust the power data of the radio remote unit to a first power value.

18. The device according to claim 13, wherein,

the power adjustment module is configured to, when the temperature data is more than or equal to the third limit, and the temperature data is less than the fourth limit, determine the temperature data to be within the temperature threshold;

and adjust the power data of the radio remote unit to a second power value.

19. The device according to claim 13, wherein,

the channel closing module is configured to, when the temperature data is more than or equal to the fourth limit, determine the temperature data to be more than the temperature threshold, and then close the radio frequency channel(s) of the radio remote unit.

20. The device according to claim 16, wherein,

the power adjustment module is further configured to detect switch status of the radio frequency channel(s) of the radio remote unit;

and determine that the radio frequency channel(s) of the radio remote unit is activated.

21. The device according to claim 12, wherein,

the acquisition module is configured to read temperatures transmitted from various sensors in the radio remote unit, when an absolute difference between temperatures transmitted from arbitrary two sensors is more than a setting value, re-read the temperatures transmitted from various sensors;

otherwise, construct the temperatures transmitted from various sensors as the temperature data of the radio remote unit.

22. The device according to claim 21, wherein,

the acquisition module is configured to read temperatures transmitted from sensors at various power amplifiers in the radio remote unit, when an absolute difference between temperatures transmitted from arbitrary two sensors at various power amplifiers is more than a first setting value, re-read the temperatures transmitted from the sensors at various power amplifiers;

when the absolute difference between temperatures transmitted from the sensors at various power amplifiers is less than the first setting value, read temperatures transmitted from sensors at other regions except various power amplifiers;

when the absolute difference between temperatures transmitted from arbitrary two sensors at other regions except various power amplifiers is more than a second setting value, re-read temperatures transmitted from the sensors at other regions except various power amplifiers; and

when the absolute difference between temperatures transmitted from various sensors at other regions except various power amplifiers is less than the second setting value, construct the temperatures transmitted from various sensors as the temperature data of the radio remote unit.