CN101951622A - Radio remote unit power-off alarm processing method and system - Google Patents
Radio remote unit power-off alarm processing method and system Download PDFInfo
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- CN101951622A CN101951622A CN2010102832998A CN201010283299A CN101951622A CN 101951622 A CN101951622 A CN 101951622A CN 2010102832998 A CN2010102832998 A CN 2010102832998A CN 201010283299 A CN201010283299 A CN 201010283299A CN 101951622 A CN101951622 A CN 101951622A
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Abstract
The invention discloses a radio remote unit (RRU) power-off alarm processing method and an RRU power-off alarm processing system. The method comprises that: when an RRU is switched off, a power module of the RRU informs a hardware power-off alarming module of the RRU by triggering a hardware interruption signal; and after receiving the information, the hardware power-off alarming module of the RRU transmits a predefined power-off alarming message to a building base band unit (BBU) through an Ir interface. The technical scheme of the invention has the advantages of high power-off alarming success ratio and low realization cost.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly relate to a kind of Remote Radio Unit alarm for power-off processing method and system.
Background technology
TD SDMA (TD-SCDMA, Time Division-Synchronous Code Division Multiple Access) in the communication system, the base station is by baseband processing unit (BBU, Building Base band Unit) and Remote Radio Unit (RRU, Radio Remote Unit) forms, interconnect by the Ir interface between BBU and the RRU, its physical link is an optical fiber link.
Owing to reasons such as artificial or natural calamities, in the running of base station, device powers down may take place in RRU.After this situation, BBU alarm management center requires RRU to realize that rapidly alarm for power-off reports, require at power supply in the retention time simultaneously, the fault and the warning information that do not report temporarily before alarm for power-off and the outage are reported BBU alarm management center accurately and reliably, equipment fault goes offline and positions so that the attendant is apace to RRU, thereby recover the normal operation of RRU apace, ensure the normal covering radius and the quality of service of base station.
The processing method of RRU alarm for power-off has following two kinds in the prior art:
First method is: whether BBU alarm management center or higher level RRU equipment utilization communication chip detect the RRU of subordinate equipment and cut off the power supply, thereby judge whether to produce subordinate equipment alarm for power-off information.
For the BBU side, RRU outage all is the same with the phenomenon of physical link open failure, and therefore this monitoring mode often obscures that physical link disconnects and the both of these case that cuts off the power supply, and really positioning equipment is to cut off the power supply or physical link has disconnected on earth.
Second method is: when device powers down took place RRU, hardware produced the alarm for power-off signal, triggers RRU software then and carries out alarming processing, in the retention time, by RRU software warning information is sent to BBU alarm management center by communication link at power supply.
But also there is following shortcoming in second method:
1, alarm for power-off reports success rate low.When main cause is that the RRU outage takes place, adopt the conventional trigger software alarm to report mode, because the power supply retention time is not long, communication link can disconnect usually soon, therefore through regular meeting alarm for power-off takes place and reports unsuccessful problem.
2, hardware designs is required height, strengthened the hardware designs difficulty, the hardware cost height.Show that mainly utilizing the conventional trigger software alarm to report technology to carry out alarm for power-off reports, very strong to the dependence of power supply retention time, therefore, hardware designs has been proposed very high requirement, require also very high to the hardware device performance index that adopt simultaneously, with the length of assurance power supply retention time, thereby greatly improved hardware cost.
In sum, existing RRU alarm for power-off implementation method, success rate is low, and the cost height.
Summary of the invention
The invention provides a kind of RRU alarm for power-off processing method, this method realizes the success rate height of alarm for power-off, and cost is low.
The present invention also provides a kind of RRU alarm for power-off treatment system, and this system realizes the success rate height of alarm for power-off, and cost is low.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention discloses a kind of RRU alarm for power-off processing method, this method comprises:
When outage took place RRU, the power module of RRU was notified the hardware alarm for power-off module of RRU by triggering a hard interrupt signal;
After the hardware alarm for power-off module of RRU is notified, the alarm for power-off message that pre-defines is sent to baseband processing unit BBU by the Ir interface.
Preferably, the power module of described RRU notifies the hardware alarm for power-off module of RRU to comprise by triggering hard an interruption:
The power module of RRU sends the central processor CPU of hard interrupt signal to RRU;
After the CPU of RRU receives described hard interrupt signal, start alarm for power-off dedicated processes program, by the hardware alarm for power-off module of alarm for power-off dedicated processes program notice RRU.
Preferably, this method further comprises:
After the hardware alarm for power-off module of RRU was notified, the RRU outage sign of preserving in the configuration file that also powers on was set to effectively, and fault and warning information are saved in the disconnection fault file;
When the RRU power interruption recovering, the hardware alarm for power-off module of RRU judges whether the RRU outage sign of preserving in the configuration file that powers on is effective, be then to give BBU with the fault in the disconnection fault file and alarming information report, and the RRU that preserves in the configuration file that powers on outage sign be set to invalid.
Preferably, the form of described alarm for power-off message is different with the form of standard network packet;
This method further comprises: after BBU receives alarm for power-off message, judge whether this alarm for power-off message is the standard network packet, further resolve this alarm for power-off message when not being the standard network packet when judging, and judge whether alarm for power-off message for pre-defining, be then to send to BBU alarming processing center.
Preferably, the described alarm for power-off message that pre-defines is to omit the message of handling according to the preset rules information of carrying out;
This method further comprises: BBU judge be the alarm for power-off message that pre-defines after, further replenish to handle, and then send to BBU alarming processing center according to the described default rule information of carrying out.
The invention also discloses a kind of RRU alarm for power-off treatment system, this system comprises; BBU and RRU; Wherein RRU comprises: power module and hardware alarm for power-off module;
Power module is used for by triggering a hard interrupt signal, notifying hardware alarm for power-off module when outage takes place RRU;
Hardware alarm for power-off module is used for after receiving the notice of power module, and the alarm for power-off message that pre-defines is sent to BBU by the Ir interface;
BBU is used to receive alarm for power-off message, and sends to BBU alarming processing center.
Preferably, RRU also comprises a CPU;
Power module is used for sending hard interrupt signal to CPU when outage takes place RRU;
CPU is used for after receiving described hard interrupt signal, starts alarm for power-off dedicated processes program, by alarm for power-off dedicated processes program notice hardware alarm for power-off module.
Preferably, hardware alarm for power-off module, after receiving the notice of power module, the RRU outage sign of preserving in the configuration file that also is further used for powering on is set to effectively, and fault and warning information are saved in the disconnection fault file; When the RRU power interruption recovering, be further used for judging whether the RRU outage sign of preserving in the configuration file that powers on is effective, be then to give BBU with the fault in the disconnection fault file and alarming information report, and the RRU that preserves in the configuration file that powers on outage sign be set to invalid.
Preferably, the form of described alarm for power-off message is different with the form of standard network packet;
BBU, be further used for after receiving alarm for power-off message, judge whether this alarm for power-off message is the standard network packet, further resolve this alarm for power-off message when not being the standard network packet when judging, and judge whether alarm for power-off message for pre-defining, be then to send to BBU alarming processing center.
Preferably, the described alarm for power-off message that pre-defines is to omit the message of handling according to the preset rules information of carrying out;
BBU, be used for judge be the alarm for power-off message that pre-defines after, further replenish to handle, and then send to BBU alarming processing center according to the described default rule information of carrying out.
By as seen above-mentioned, the present invention is this when outage takes place RRU, the power module of RRU is by triggering a hard interrupt signal, notify the hardware alarm for power-off module of RRU, after the hardware alarm for power-off module of RRU is notified, the alarm for power-off message that pre-defines is sent to the technical scheme of baseband processing unit BBU by the Ir interface, because directly utilizing physical layer to trigger alarm for power-off reports, existing relatively triggering RUU software carries out the scheme that alarm for power-off reports, can realize real-time reporting fast, therefore realize the success rate height of alarm for power-off, and cost is low.
Description of drawings
Fig. 1 is the flow chart of a kind of RRU alarm for power-off of embodiment of the invention processing method;
Fig. 2 is the embodiment of the invention performed flow chart of RRU processing stage of the RRU alarm for power-off;
Fig. 3 is the embodiment of the invention performed flow chart of BBU processing stage of the RRU alarm for power-off;
Fig. 4 is that the embodiment of the invention is at the performed flow chart of RRU power interruption recovering alarming processing stage RRU;
Fig. 5 is the composition structural representation of a kind of RRU alarm for power-off of embodiment of the invention treatment system.
Embodiment
Fig. 1 is the flow chart of a kind of RRU alarm for power-off of embodiment of the invention processing method.As shown in Figure 1, this method comprises:
Particularly, the scheme of this step can realize in the following way: the power module of RRU sends the central processor CPU of hard interrupt signal to RRU.
After the CPU of RRU receives described hard interrupt signal, start alarm for power-off dedicated processes program, by the hardware alarm for power-off module of alarm for power-off dedicated processes program notice RRU.
The alarm for power-off message that this pre-defines is the message of keeping in advance.Hardware alarm for power-off module can be realized by on-site programmable gate array FPGA.
Further, in one embodiment of the invention, after the hardware alarm for power-off module of RRU was notified, the RRU outage sign of preserving in the configuration file that also powers on was set to effectively, and fault and warning information are saved in the disconnection fault file; When the RRU power interruption recovering, the hardware alarm for power-off module of RRU judges whether the RRU outage sign of preserving in the configuration file that powers on is effective, be then to give BBU with the fault in the disconnection fault file and alarming information report, and judgement power on the RRU outage sign preserved in the configuration file be set to invalid.
In the BBU side, after BBU receives alarm for power-off message, judge whether this alarm for power-off message is the standard network packet, when judging the alarm for power-off message that further judges whether when not being the standard network packet to pre-defining, be then to resolve this alarm for power-off message, and send to BBU alarming processing center.
In order to make the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with preferred embodiment.
Preferred embodiment of the present invention is introduced in two stages.Phase I, second stage was the RRU power interruption recovering alarming processing stage processing stage of being the RRU alarm for power-off.
Relate generally to the processing stage of the RRU alarm for power-off that physical layer triggers that inner alarm for power-off reports, important fault and warning information power-cut time preserve, and the processing of BBU side is specifically related to following Fig. 2 and flow process shown in Figure 3.
Fig. 2 is the embodiment of the invention performed flow chart of RRU processing stage of the RRU alarm for power-off.As shown in Figure 2, may further comprise the steps:
In this step, described alarm for power-off dedicated processes program is minimum alarm for power-off dedicated processes program, and " minimum " here is meant that this alarm for power-off dedicated processes program is to realize the most succinct program of some appointed function.
Step 203 is by the hardware alarm for power-off module of alarm for power-off dedicated processes program notice RRU.
Step 204 after the alarm for power-off module of RRU is notified, sends to baseband processing unit BBU with the alarm for power-off message that pre-defines by the Ir interface.
The data format of the alarm for power-off message that pre-defines here is different with the data format of standard network packet, and in order to save bandwidth, improve transmission speed, the alarm for power-off message that this pre-defines is to omit the message of handling according to the preset rules information of carrying out.
Mainly be in this step during power supply keeps, will be saved in the disconnection fault file at some faults and the warning information that the outage before future must and report.
The above-mentioned alarm for power-off message that pre-defines, power on configuration file and disconnection fault file can be kept in the storage medium of alarm for power-off module this locality of RRU.
Fig. 3 is the embodiment of the invention performed flow chart of BBU processing stage of the RRU alarm for power-off.As shown in Figure 3, may further comprise the steps:
In this step, whether concrete judgment data bag meets the data of UDP/TCP standard, is then to be normal standard network data.
Step 303 is handled according to normal standard network processing data packets program.Process ends.
Step 304 is resolved packet.
Alarm for power-off message is that BBU and RRU two ends as offered are good, so BBU judges whether parsing back packet is the good alarm for power-off message of as offered in this step.
Step 307 is replenished processing according to default rule to the packet information of carrying out.
Here, Yu She rule also is that BBU and RRU as offered are good.For example, preset rules is specifically as follows: set up the corresponding relation between abbreviation and the long string data, the alarm for power-off message that pre-defines is made of abbreviation, and when the information of carrying out is replenished processing, abbreviation is reverted to corresponding long string data information.
Step 308, the data that the information of will carrying out is replenished after handling send to BBU alarming processing center.
After the RRU power interruption recovering alarming processing stage relates generally to the recovery normal power supply, with some the important faults and the additional BBU that reports of warning information of power-cut time preservation.
Fig. 4 is that the embodiment of the invention is at the performed flow chart of RRU power interruption recovering alarming processing stage RRU.As shown in Figure 4, may further comprise the steps:
Step 405 enters normal startup operational process.
Provide the composition structure of a kind of RRU alarm for power-off treatment system among the present invention based on the foregoing description.
Fig. 5 is the composition structural representation of a kind of RRU alarm for power-off of embodiment of the invention treatment system.As shown in Figure 5, this system comprises; BBU 501 and RRU 502; Wherein RRU 502 comprises: power module 503 and hardware alarm for power-off module 504;
Power module 503 is used for by triggering a hard interrupt signal, notifying hardware alarm for power-off module 504 when outage takes place RRU 502;
Hardware alarm for power-off module 504 is used for after the notice of receiving power module 503, and the alarm for power-off message that pre-defines is sent to BBU 501 by the Ir interface;
BBU 501, are used to receive alarm for power-off message, and send to BBU alarming processing center.
Preferably, RRU also comprises a CPU 505;
Power module 503 is used for sending hard interrupt signal to CPU 505 when outage takes place RRU;
CPU 505, are used for after receiving described hard interrupt signal, start alarm for power-off dedicated processes program, by alarm for power-off dedicated processes program notice hardware alarm for power-off module 504.
In system shown in Figure 5, hardware alarm for power-off module 504, after receiving described notice, the RRU outage sign of preserving in the configuration file that also is further used for powering on is set to effectively, and fault and warning information are saved in the disconnection fault file; When the RRU power interruption recovering, be further used for judging whether the RRU outage sign of preserving in the configuration file that powers on is effective, be then to give BBU 502 with the fault in the disconnection fault file and alarming information report, and the RRU that preserves in the configuration file that powers on outage sign be set to invalid.
In system shown in Figure 5, the form of described alarm for power-off message is different with the form of standard network packet; BBU 501, be further used for after receiving alarm for power-off message, judge whether this alarm for power-off message is the standard network packet, further resolve this alarm for power-off message when not being the standard network packet when judging, and judge whether alarm for power-off message for pre-defining, be then to send to BBU alarming processing center.
In system shown in Figure 5, the described alarm for power-off message that pre-defines is to omit the message of handling according to the preset rules information of carrying out; BBU 501, be used for judge be the alarm for power-off message that pre-defines after, further replenish to handle, and then send to BBU alarming processing center according to the described default rule information of carrying out.
In the system shown in the figure, hardware alarm for power-off module 504 can be the FPGA module.
Above-mentioned RRU alarm for power-off processing scheme provided by the invention has following advantage:
1, abandons traditional software alarm of utilizing and reported passage to report the mode of alarm for power-off, directly utilized physical layer to trigger the alarm for power-off packet and report BBU, guaranteed the quick real-time report of alarm for power-off.
2, help the hardware cost control of product.Designing based on existing hardware resource prerequisite, need not to increase chip and specially outage is managed, also hardware device is not proposed to prolong high requests such as power supply retention time, is to realize that fast processing reports cheaply under the prerequisite that does not increase hardware cost.
3, ensure that the RRU alarm for power-off front and back takes place constantly, the integrality that fault and warning information are preserved.
4, behind the power interruption recovering, RRU replenishes the important fault that alarm for power-off is removed and some other outages are preceding and reports BBU, can effectively help to analyze the failure cause that really causes the RRU outage.
5, can guarantee the accuracy of reporting information, it is that physical link opens circuit or disconnection fault takes place that BBU upper management center can be distinguished failure cause clearly, can help attendant's analyzing and positioning fast.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (10)
1. radio frequency remote unit RRU alarm for power-off processing method is characterized in that this method comprises:
When outage took place RRU, the power module of RRU was notified the hardware alarm for power-off module of RRU by triggering a hard interrupt signal;
After the hardware alarm for power-off module of RRU is notified, the alarm for power-off message that pre-defines is sent to baseband processing unit BBU by the Ir interface.
2. method according to claim 1 is characterized in that, the power module of described RRU notifies the hardware alarm for power-off module of RRU to comprise by triggering hard an interruption:
The power module of RRU sends the central processor CPU of hard interrupt signal to RRU;
After the CPU of RRU receives described hard interrupt signal, start alarm for power-off dedicated processes program, by the hardware alarm for power-off module of alarm for power-off dedicated processes program notice RRU.
3. method according to claim 1 is characterized in that, this method further comprises:
After the hardware alarm for power-off module of RRU was notified, the RRU outage sign of preserving in the configuration file that also powers on was set to effectively, and fault and warning information are saved in the disconnection fault file;
When the RRU power interruption recovering, the hardware alarm for power-off module of RRU judges whether the RRU outage sign of preserving in the configuration file that powers on is effective, be then to give BBU with the fault in the disconnection fault file and alarming information report, and the RRU that preserves in the configuration file that powers on outage sign be set to invalid.
4. according to each described method in the claim 1 to 3, it is characterized in that the form of described alarm for power-off message is different with the form of standard network packet;
This method further comprises: after BBU receives alarm for power-off message, judge whether this alarm for power-off message is the standard network packet, further resolve this alarm for power-off message when not being the standard network packet when judging, and judge whether alarm for power-off message for pre-defining, be then to send to BBU alarming processing center.
5. method according to claim 4 is characterized in that, the described alarm for power-off message that pre-defines is to omit the message of handling according to the preset rules information of carrying out;
This method further comprises: BBU judge be the alarm for power-off message that pre-defines after, further replenish to handle, and then send to BBU alarming processing center according to the described default rule information of carrying out.
6. a RRU alarm for power-off treatment system is characterized in that this system comprises; BBU and RRU; Wherein RRU comprises: power module and hardware alarm for power-off module;
Power module is used for by triggering a hard interrupt signal, notifying hardware alarm for power-off module when outage takes place RRU;
Hardware alarm for power-off module is used for after receiving the notice of power module, and the alarm for power-off message that pre-defines is sent to BBU by the Ir interface;
BBU is used to receive alarm for power-off message, and sends to BBU alarming processing center.
7. system according to claim 6 is characterized in that, RRU also comprises a CPU;
Power module is used for sending hard interrupt signal to CPU when outage takes place RRU;
CPU is used for after receiving described hard interrupt signal, starts alarm for power-off dedicated processes program, by alarm for power-off dedicated processes program notice hardware alarm for power-off module.
8. system according to claim 6 is characterized in that,
Hardware alarm for power-off module, after receiving the notice of power module, the RRU outage sign of preserving in the configuration file that also is further used for powering on is set to effectively, and fault and warning information are saved in the disconnection fault file; When the RRU power interruption recovering, be further used for judging whether the RRU outage sign of preserving in the configuration file that powers on is effective, be then to give BBU with the fault in the disconnection fault file and alarming information report, and the RRU that preserves in the configuration file that powers on outage sign be set to invalid.
9. according to each described system in the claim 6 to 8, it is characterized in that the form of described alarm for power-off message is different with the form of standard network packet;
BBU, be further used for after receiving alarm for power-off message, judge whether this alarm for power-off message is the standard network packet, further resolve this alarm for power-off message when not being the standard network packet when judging, and judge whether alarm for power-off message for pre-defining, be then to send to BBU alarming processing center.
10. system according to claim 9 is characterized in that, the described alarm for power-off message that pre-defines is to omit the message of handling according to the preset rules information of carrying out;
BBU, be used for judge be the alarm for power-off message that pre-defines after, further replenish to handle, and then send to BBU alarming processing center according to the described default rule information of carrying out.
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| CN102625329A (en) * | 2011-01-30 | 2012-08-01 | 鼎桥通信技术有限公司 | Remote radio unit (RRU) brownout detection method and RRU |
| WO2013007161A1 (en) * | 2011-07-11 | 2013-01-17 | 中国移动通信集团公司 | Building baseband unit, baseband processing panel, and failure processing method for baseband processing panel |
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| CN103209097A (en) * | 2013-04-03 | 2013-07-17 | 大唐移动通信设备有限公司 | Communication equipment and power failure alarm method thereof |
| CN107396390A (en) * | 2017-08-30 | 2017-11-24 | 京信通信系统（中国）有限公司 | A kind of communication means, apparatus and system |
| CN113473513A (en) * | 2021-09-02 | 2021-10-01 | 成都爱瑞无线科技有限公司 | Link fault detection and processing method, device, system and storage medium |
| CN113473513B (en) * | 2021-09-02 | 2021-11-16 | 成都爱瑞无线科技有限公司 | Link fault detection and processing method, device, system and storage medium |
| CN117389789A (en) * | 2023-12-08 | 2024-01-12 | 四川恒湾科技有限公司 | Power-down information storage and reporting method and system for O-RU equipment |
| CN117389789B (en) * | 2023-12-08 | 2024-03-08 | 四川恒湾科技有限公司 | Power-down information storage and reporting method and system for O-RU equipment |
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Application publication date: 20110119 |