CN103826250B - The repositioning method of Remote Radio Unit and its device - Google Patents
The repositioning method of Remote Radio Unit and its device Download PDFInfo
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- CN103826250B CN103826250B CN201210469918.1A CN201210469918A CN103826250B CN 103826250 B CN103826250 B CN 103826250B CN 201210469918 A CN201210469918 A CN 201210469918A CN 103826250 B CN103826250 B CN 103826250B
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- radio unit
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Abstract
The invention discloses a kind of repositioning method of Remote Radio Unit, including：Obtain the working status parameter of Remote Radio Unit CPU；Suspend the control to Remote Radio Unit for the described Remote Radio Unit CPU；Described Remote Radio Unit CPU is resetted；According to the described working status parameter obtaining, described Remote Radio Unit CPU is reconfigured；Start the control to described Remote Radio Unit for the described Remote Radio Unit CPU.Additionally, also disclosing a kind of resetting means of Remote Radio Unit, including acquisition module, suspending control module, reseting module, reconfigure module and starting control module.Using repositioning method and its device of Remote Radio Unit of the present invention, after the completion of can making Remote Radio Unit in reseting procedure and resetting, the radio frequency output signal of this grade will not interrupt or occur abnormal, and this grade of Remote Radio Unit remains to normal work.
Description
Technical field
The present invention relates to Remote Radio Unit technical field, more particularly, to a kind of repositioning method of Remote Radio Unit and
Plant the resetting means of Remote Radio Unit.
Background technology
With the continuous development of Wireless Telecom Equipment, the requirement more and more higher to distributed base station for the user.Work as Base-Band Processing
Unit（Building Base band Unite, abbreviation BBU）Find Remote Radio Unit（Radio Remote Unit, referred to as
RRU）When certain abnormal conditions or fault occur, generally require RRU to be restarted or resets.Current general technology is only
The master cpu of reset RRU（Central Processing Unit, central processing unit）, so can accomplish not affecting its cascade
The radio frequency output signal of RRU, makes cascaded RRUs remain to keep normal operating conditions when the operation that resets occurs.But due in radio frequency
After the CPU of extension unit is resetted, various parameters therein and control variable will become initial value, therefore can be to this grade of RRU
Radio frequency output signal produce impact, and then infringement is produced to the communication of this grade of RRU institute coverage.That is, it is current
Common practices cannot be made this grade of RRU still keep normal operating conditions when Remote Radio Unit resets.
Content of the invention
For solving above-mentioned problem, the invention provides a kind of repositioning method of Remote Radio Unit and a kind of radio frequency
The resetting means of extension unit.
A kind of repositioning method of Remote Radio Unit, comprises the following steps：
Obtain the working status parameter of Remote Radio Unit CPU；
Suspend the control to Remote Radio Unit for the described Remote Radio Unit CPU；
Described Remote Radio Unit CPU is resetted；
According to the described working status parameter obtaining, described Remote Radio Unit CPU is reconfigured；
Start the control to described Remote Radio Unit for the described Remote Radio Unit CPU.
Compared with general technology, using the repositioning method of Remote Radio Unit of the present invention, before being resetted, first record is penetrated
The operational data of CPU in frequency extension unit, and suspend CPU to the control of Remote Radio Unit so that Remote Radio Unit is multiple
Remain to during position continue and keep the preoperative working condition that resets.After the completion of resetting, according to the work number recording before
Reconfigure according to the CPU in Remote Radio Unit, and start the control to Remote Radio Unit for the CPU.Using the present invention
The repositioning method of Remote Radio Unit, after the completion of can making Remote Radio Unit in reseting procedure and resetting, the radio frequency of this grade is defeated
Go out signal to interrupt or occur abnormal, this grade of Remote Radio Unit remains to normal work.
A kind of resetting means of Remote Radio Unit, including acquisition module, suspends control module, reseting module, again joins
Put module and start control module；
Described acquisition module, for obtaining the working status parameter of Remote Radio Unit CPU；
Described time-out control module, for suspending the control to Remote Radio Unit for the described Remote Radio Unit CPU；
Described reseting module, for resetting to described Remote Radio Unit CPU；
Described reconfigure module, for the described working status parameter being obtained according to described acquisition module, penetrate to described
Frequency extension unit CPU is reconfigured；
Described startup control module, for starting the control to described Remote Radio Unit for the described Remote Radio Unit CPU.
Compared with general technology, using the resetting means of Remote Radio Unit of the present invention, before being resetted, first record is penetrated
The operational data of CPU in frequency extension unit, and suspend CPU to the control of Remote Radio Unit so that Remote Radio Unit is multiple
Remain to during position continue and keep the preoperative working condition that resets.After the completion of resetting, according to the work number recording before
Reconfigure according to the CPU in Remote Radio Unit, and start the control to Remote Radio Unit for the CPU.Using the present invention
The resetting means of Remote Radio Unit, after the completion of can making Remote Radio Unit in reseting procedure and resetting, the radio frequency of this grade is defeated
Go out signal to interrupt or occur abnormal, this grade of Remote Radio Unit remains to normal work.
Brief description
Fig. 1 is the schematic flow sheet of the repositioning method of Remote Radio Unit of the present invention；
Fig. 2 is the structural representation of the resetting means of Remote Radio Unit of the present invention.
Specific embodiment
For further illustrating the effect of technological means that the present invention taken and acquirement, below in conjunction with the accompanying drawings and preferably real
Apply example, to technical scheme, carry out clear and complete description.
Refer to Fig. 1, be the schematic flow sheet of the repositioning method of Remote Radio Unit of the present invention.Remote radio list of the present invention
The repositioning method of unit comprises the following steps：
S101 obtains the working status parameter of Remote Radio Unit CPU；
As one of embodiment, described working status parameter may include the gain configuration in described Remote Radio Unit
Parameter, carrier wave routing parameter, logic state parameter of carrier wave configuration parameter, optical-fiber time-delay parameter and each switch etc..
The logic state of described switch includes the logic state of radio-frequency (RF) switch, power amplifier switch, carrier switch etc..Described carrier wave
Configuration information includes the information such as frequency, bandwidth and up-downgoing proportioning.
Preferably, can be by necessary information, the information needing record as various in cell information, carrier information etc. are saved in non-
In volatile memory device.
S102 suspends the control to Remote Radio Unit for the described Remote Radio Unit CPU；
As one of embodiment, can be to DPD（Digital Pre-Distortion, digital pre-distortion）Controller is sent out
Send pause instruction, suspend described Remote Radio Unit CPU and the DPD of described Remote Radio Unit is controlled.
S103 resets to described Remote Radio Unit CPU；
As one of embodiment, before the step that described Remote Radio Unit CPU is resetted, institute can be obtained
State the working status parameter of the other hardware in addition to CPU in Remote Radio Unit.
By logic control（Including the various logic control device in Remote Radio Unit, such as FPGA, CPLD, EPLD
Deng）Ensure device power supply (DPS) not power down, power supply is normal, so that reset operation is normally carried out.
When executing device reset operation, holding power amplifier is enabled state, keeps DPD control, gain control, temperature-compensating
Working condition constant, namely enter park mode, exit Remote Radio Unit CPU control model.
S104, according to the described working status parameter obtaining, reconfigures to described Remote Radio Unit CPU；
As one of embodiment, after the step that described Remote Radio Unit CPU is resetted, can be according to obtaining
The working status parameter of the other hardware in addition to CPU in the described Remote Radio Unit taking, to described other in addition to CPU
Hardware is reconfigured.
After device reset, be not loaded with any hardware chip configuration information and also do not initialize any hardware device, can non-easily
The information preserving in the property lost memory device reconfigures to certain hardware device.Reset various switches（As power amplifier switch）Etc. parameter
Logic state be enable or open mode.
S105 starts the control to described Remote Radio Unit for the described Remote Radio Unit CPU.
As one of embodiment, enabled instruction can be sent to DPD controller, start to described Remote Radio Unit
DPD controls.
DPD control, gain control, temperature-compensating are changed into CPU control model from park mode.
Compared with general technology, using the repositioning method of Remote Radio Unit of the present invention, before being resetted, first record is penetrated
The operational data of CPU in frequency extension unit, and suspend CPU to the control of Remote Radio Unit so that Remote Radio Unit is multiple
Remain to during position continue and keep the preoperative working condition that resets.After the completion of resetting, according to the work number recording before
Reconfigure according to the CPU in Remote Radio Unit, and start the control to Remote Radio Unit for the CPU.Using the present invention
The repositioning method of Remote Radio Unit, after the completion of can making Remote Radio Unit in reseting procedure and resetting, the radio frequency of this grade is defeated
Go out signal to interrupt or occur abnormal, this grade of Remote Radio Unit remains to normal work.
Using the repositioning method of Remote Radio Unit of the present invention, before and after resetting, DPD performance, gain distribution condition, work(
Rate, carrier information and state will not produce change, the various controlling switches before and after reset, time delay value, the value of relevant parameter variable
And logic state also keeps constant.
Refer to Fig. 2, be the structural representation of the resetting means of Remote Radio Unit of the present invention.Remote radio list of the present invention
The resetting means of unit includes：Acquisition module 201, suspend control module 202, reseting module 203, reconfigure module 204 and open
Dynamic control module 205；
Described acquisition module 201, for obtaining the working status parameter of Remote Radio Unit CPU；
Described acquisition module 201 can be used for obtaining gain configuration parameter in described Remote Radio Unit, carrier path by joining
Logic state parameter of number, carrier wave configuration parameter, optical-fiber time-delay parameter and each switch etc..
Described time-out control module 202, for suspending the control to Remote Radio Unit for the described Remote Radio Unit CPU；
As one of embodiment, pause instruction can be sent to DPD controller, suspend described Remote Radio Unit CPU
The DPD of described Remote Radio Unit is controlled.
Described reseting module 203, for resetting to described Remote Radio Unit CPU；
As one of embodiment, before the step that described Remote Radio Unit CPU is resetted, institute can be obtained
State the working status parameter of the other hardware in addition to CPU in Remote Radio Unit.
By logic control（Including the various logic control device in Remote Radio Unit, such as FPGA, CPLD, EPLD
Deng）Ensure device power supply (DPS) not power down, power supply is normal, so that reset operation is normally carried out.
Described reconfigure module 204, for the described working status parameter obtaining according to described acquisition module, to described
Remote Radio Unit CPU is reconfigured；
As one of embodiment, after the step that described Remote Radio Unit CPU is resetted, can be according to obtaining
The working status parameter of the other hardware in addition to CPU in the described Remote Radio Unit taking, to described other in addition to CPU
Hardware is reconfigured.
Described startup control module 205, for starting the control to described Remote Radio Unit for the described Remote Radio Unit CPU
System.
As one of embodiment, enabled instruction can be sent to DPD controller, start to described Remote Radio Unit
DPD controls.
Compared with general technology, using the resetting means of Remote Radio Unit of the present invention, before being resetted, first record is penetrated
The operational data of CPU in frequency extension unit, and suspend CPU to the control of Remote Radio Unit so that Remote Radio Unit is multiple
Remain to during position continue and keep the preoperative working condition that resets.After the completion of resetting, according to the work number recording before
Reconfigure according to the CPU in Remote Radio Unit, and start the control to Remote Radio Unit for the CPU.Using the present invention
The resetting means of Remote Radio Unit, after the completion of can making Remote Radio Unit in reseting procedure and resetting, the radio frequency of this grade is defeated
Go out signal to interrupt or occur abnormal, this grade of Remote Radio Unit remains to normal work.
Embodiment described above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (6)
1. a kind of repositioning method of Remote Radio Unit is it is characterised in that comprise the following steps：
Obtain the working status parameter of Remote Radio Unit CPU；
Suspend the control to Remote Radio Unit for the described Remote Radio Unit CPU；
Described Remote Radio Unit CPU is resetted；
According to the described working status parameter obtaining, described Remote Radio Unit CPU is reconfigured；
Start the control to described Remote Radio Unit for the described Remote Radio Unit CPU；
In the step of the working status parameter of described acquisition Remote Radio Unit CPU, described working status parameter includes described
Gain configuration parameter in Remote Radio Unit, carrier wave routing parameter, carrier wave configuration parameter, optical-fiber time-delay parameter and each switch
Logic state parameter.
2. the repositioning method of Remote Radio Unit according to claim 1 is it is characterised in that the described radio frequency of described time-out draws
The step of the remote control to Remote Radio Unit for the unit CPU, comprises the following steps：
Send pause instruction to DPD (Digital Pre-Distortion, digital pre-distortion) controller, suspend described radio frequency and draw
Remote unit CPU controls to the DPD of described Remote Radio Unit.
3. the repositioning method of Remote Radio Unit according to claim 1 is it is characterised in that to described remote radio list
Before the step that first CPU is resetted, comprise the following steps：
Obtain the working status parameter of the other hardware in addition to CPU in described Remote Radio Unit.
4. the repositioning method of Remote Radio Unit according to claim 1 is it is characterised in that to described remote radio list
After the step that first CPU is resetted, comprise the following steps：
According to the working status parameter of the other hardware in addition to CPU in the described Remote Radio Unit obtaining, to described except CPU
Outside other hardware reconfigured.
5. the repositioning method of Remote Radio Unit according to claim 1 is it is characterised in that the described radio frequency of described startup draws
The step of the remote control to described Remote Radio Unit for the unit CPU, comprises the following steps：
Send enabled instruction to DPD controller, start the DPD to described Remote Radio Unit and control.
6. a kind of resetting means of Remote Radio Unit is it is characterised in that including acquisition module, suspending control module, reset mould
Block, reconfigure module and start control module；
Described acquisition module, for obtaining the working status parameter of Remote Radio Unit CPU；
Described time-out control module, for suspending the control to Remote Radio Unit for the described Remote Radio Unit CPU；
Described reseting module, for resetting to described Remote Radio Unit CPU；
Described reconfigure module, for the described working status parameter being obtained according to described acquisition module, described radio frequency is drawn
Remote unit CPU is reconfigured；
Described startup control module, for starting the control to described Remote Radio Unit for the described Remote Radio Unit CPU；
Described acquisition module is used for obtaining gain configuration parameter in described Remote Radio Unit, carrier wave routing parameter, carrier wave are joined
Put the logic state parameter of parameter, optical-fiber time-delay parameter and each switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210469918.1A CN103826250B (en) | 2012-11-19 | 2012-11-19 | The repositioning method of Remote Radio Unit and its device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210469918.1A CN103826250B (en) | 2012-11-19 | 2012-11-19 | The repositioning method of Remote Radio Unit and its device |
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| CN103826250A CN103826250A (en) | 2014-05-28 |
| CN103826250B true CN103826250B (en) | 2017-03-08 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1833271A1 (en) * | 2005-07-21 | 2007-09-12 | Huawei Technologies Co., Ltd. | A method for cascade communication device resetting |
| CN101183900A (en) * | 2007-11-23 | 2008-05-21 | 深圳国人通信有限公司 | Baseband extension radio frequency subsystem RRU testing method, system and analog BBU device |
| CN101702800A (en) * | 2009-11-19 | 2010-05-05 | 中国科学院计算技术研究所 | Agent mobile communication system and method |
| CN101753244A (en) * | 2008-12-05 | 2010-06-23 | 大唐移动通信设备有限公司 | Method and system for transporting service in RRU loop network |
-
2012
- 2012-11-19 CN CN201210469918.1A patent/CN103826250B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1833271A1 (en) * | 2005-07-21 | 2007-09-12 | Huawei Technologies Co., Ltd. | A method for cascade communication device resetting |
| CN101183900A (en) * | 2007-11-23 | 2008-05-21 | 深圳国人通信有限公司 | Baseband extension radio frequency subsystem RRU testing method, system and analog BBU device |
| CN101753244A (en) * | 2008-12-05 | 2010-06-23 | 大唐移动通信设备有限公司 | Method and system for transporting service in RRU loop network |
| CN101702800A (en) * | 2009-11-19 | 2010-05-05 | 中国科学院计算技术研究所 | Agent mobile communication system and method |
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| CN103826250A (en) | 2014-05-28 |
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Address after: 510663 No. 10 Shenzhou Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 No. 10 Shenzhou Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. |
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