CN102026245A - System and method for automatically processing carrier frequency faults - Google Patents
System and method for automatically processing carrier frequency faults Download PDFInfo
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- CN102026245A CN102026245A CN2010105592731A CN201010559273A CN102026245A CN 102026245 A CN102026245 A CN 102026245A CN 2010105592731 A CN2010105592731 A CN 2010105592731A CN 201010559273 A CN201010559273 A CN 201010559273A CN 102026245 A CN102026245 A CN 102026245A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
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Abstract
The invention discloses a system and a method for automatically processing carrier frequency faults. The system comprises a base station radio frequency control subsystem, a base station carrier frequency control subsystem and a base station channel plate subsystem, wherein the base station carrier frequency control subsystem informs the base station channel plate subsystem to eliminate a fault carrier frequency from a cell channel list message when the base station radio frequency control subsystem detects that the base station carrier frequency goes wrong, and then the base station carrier frequency control subsystem indicates the base station channel plate subsystem to shut down or turn down the baseband power output of the fault carrier frequency. Further, the system can automatically restore the power output of the carrier frequency when the carrier frequency is restored. By using the system and the method, the baseband power output of the carrier frequency can be automatically adjusted according to the state of the carrier frequency, and when the carrier frequency goes wrong, interferences can be reduced, thereby reducing the influence on a mobile communication system by the fault carrier frequency.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to the system and method for handling carrier frequency fault in the mobile communication system automatically.
Background technology
In mobile communication system, realize that by the carrier frequency carrying signal of base station signal sends, in a sub-district, may there be a plurality of carrier frequency simultaneously, can there be certain interference mutually between different carrier frequency, especially when base station carrier breaks down, this fault carrier frequency can't be finished the signaling bearer function on the one hand, the signal of this fault carrier frequency also can form very strong interference to institute overlay area and close region simultaneously, causes a large amount of handoff failures, and whole communication system is caused serious bad consequence.
Therefore, when base station carrier breaks down, how to overcome the interference of fault carrier frequency, just become the technical issues that need to address other normal carrier frequency.
Summary of the invention
Technical problem to be solved by this invention is, the system and method for handling carrier frequency fault in a kind of mobile communication system automatically is provided, and is used for when base station carrier breaks down, and overcomes fault carrier frequency other normal carrier frequency is disturbed, and handles carrier frequency fault automatically.
In order to address the above problem, the present invention proposes a kind of system of automatic processing carrier frequency fault, comprising: the base station radio-frequency control subsystem, the base station carrier control subsystem, BTS channel plank system, wherein:
The base station carrier control subsystem is when the base station radio-frequency control subsystem detects base station carrier and breaks down, informing base station channel board subsystem is rejected this fault carrier frequency from the cell channel list message, and indication BTS channel plank system closing or turn down the base band power output of this fault carrier frequency.
The base station carrier control subsystem, being further used for detecting fault carrier frequency in the base station radio-frequency control subsystem recovers just often, informing base station channel board subsystem increases this carrier frequency from the cell channel list message, and indication BTS channel plank system restoration or heighten the base band power output of this carrier frequency.
Described system further comprises: base station data storehouse subsystem, be used to write down the carrier frequency state, and informing base station carrier frequency control subsystem is upgraded carrier frequency place cell channel list message.
Described BTS channel plank system closing or turn down the base band power output of this fault carrier frequency is by controlling realization to the base station radio-frequency control subsystem.
Described base station is that code division multiple access inserts the base station in the cdma system, or the base station of global system for mobile communications gsm system, or the base station of TD SDMA TD-SCDMA system.
The present invention also provides a kind of method of automatic processing carrier frequency fault, comprises the steps:
The radio frequency state of base stations detected carrier frequency becomes malfunction at the radio frequency state, judges that then this carrier frequency is a fault carrier frequency;
Upgrade the channel list message and the sub-district Overhead Message of sub-district, in described message, reject this fault carrier frequency, close or turn down the base band power output of this fault carrier frequency.
This method further comprises: after the radio frequency recovering state that detects base station carrier is normal condition, upgrade the channel list message and the sub-district Overhead Message of sub-district, in described message, increase this and recover normal carrier frequency, recover or heighten the output of this base band power that recovers normal carrier frequency.
This method further comprises: after the radio frequency state that detects base station carrier changes, and record carrier frequency state.
Described base station is that code division multiple access inserts the base station in the cdma system, or the base station of global system for mobile communications gsm system, or the base station of TD SDMA TD-SCDMA system.
The present invention compared with prior art, when base station carrier broke down, prior art can not stop carrier frequency base band power output, disturbed thereby can produce other carrier frequency.The scheme of automatic processing carrier frequency fault of the present invention can be adjusted the output of carrier frequency base band power automatically according to the carrier frequency state, when carrier frequency breaks down, can reduce to disturb, and reduces the influence of fault carrier frequency to mobile communication system.Further, using the present invention also can be when carrier frequency recovers, the power of carrier reinsertion output automatically.
Description of drawings
Fig. 1 is the structural representation of the system of automatic processing carrier frequency fault of the present invention;
Fig. 2 is the handling process schematic diagram of automatic processing carrier frequency fault of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
In the existing mobile communications system, when the carrier frequency of base station breaks down, can't stop the base band power output of fault carrier frequency, disturb thereby this carrier frequency output meeting of breaking down produces other normal carrier frequency.The system and method for automatic processing carrier frequency fault of the present invention, when base station carrier breaks down, reject this carrier frequency the channel list under sub-district, fault carrier frequency place, automatically adjust and (for example close output, or slowly turn down output) the base band power output of fault carrier frequency, disturb in order to prevent that the base station fault carrier frequency from producing other normal carrier frequency.
As shown in Figure 1, the system of automatic processing carrier frequency fault of the present invention comprises:
Base station radio-frequency control subsystem 101, be used to detect the radio frequency state of carrier frequency,, for example become malfunction from normal condition if the radio frequency state of this carrier frequency correspondence changes, then this carrier frequency of decidable breaks down, and the state of informing base station database subsystem 102 these carrier frequency changes;
Because carrier frequency has stable signal characteristic, its corresponding radio frequency also has corresponding status flag, be called normal condition, whether change by the radio frequency state that detects the carrier frequency correspondence, can judge whether carrier frequency breaks down, when judging the radio frequency state: if consistent with normal condition, judge that then this carrier frequency is normal, state should be " normally "; If inconsistent with normal condition, then this carrier frequency of decidable breaks down, and this carrier frequency is a fault carrier frequency, and state should be " fault "; Whether change by periodicity base stations detected carrier frequency state, can in time adjust this carrier frequency operating state, for example detecting carrier frequency, then can be by the power output of this carrier frequency of subsequent communication channel plank system closing if being malfunction.
Base station data storehouse subsystem 102 is used for revise the carrier frequency state of this carrier frequency correspondence of its record, and informing base station carrier frequency control subsystem 103 these carrier frequency being fault carrier frequency after the carrier frequency state of receiving base station radio-frequency control subsystem 101 changes notice;
Base station carrier control subsystem 103 is used to upgrade the Overhead Message of this sub-district, fault carrier frequency place, and informing base station channel board subsystem 104 upgrades the cell channel list message, and informing base station channel board subsystem 104 is revised the base band power output of these fault carrier frequency;
BTS channel plank system 104 is used for the notice according to base station carrier control subsystem 103, upgrades the cell channel list message, and control base station radio-frequency control subsystem 101 is adjusted the base band power output to this fault carrier frequency.
During to the output of the base band power of this fault carrier frequency, can indicate base station radio-frequency control subsystem 101 to close the power output of this fault carrier frequency, also can slowly turn down its power output, when slowly turning down, but staged turn down, also can adopt continous way to turn down.
The method of automatic processing carrier frequency fault of the present invention comprises the steps:
The radio frequency state of base stations detected carrier frequency becomes malfunction at the radio frequency state, judges that then this carrier frequency is a fault carrier frequency;
Upgrade the channel list message and the sub-district Overhead Message of sub-district, close or turn down the base band power output of this fault carrier frequency.
Described method further comprises:
After the radio frequency recovering state that detects base station carrier is normal condition, upgrade the channel list message and the sub-district Overhead Message of sub-district, in described message, increase this and recover normal carrier frequency, recover or heighten this base band power that recovers normal carrier frequency output.
With CDMA (Code Division Multiple Access, the code division multiple access access) mobile communication system is an example, when the present invention is applied in the cdma communication system, when the base station carrier of cdma communication system breaks down, the base station can stop the base band power output of fault carrier frequency automatically, channel list under sub-district, fault carrier frequency place is rejected this fault carrier frequency, prevents that the power output of cdma base station fault carrier frequency from producing interference to other carrier frequency, reduces the influence of fault carrier frequency to communication system.
The method of automatic processing carrier frequency fault of the present invention during specific implementation, is an example with the CDMA mobile communication system in system shown in Figure 1,
Certain carrier frequency that base station radio-frequency control subsystem 101 detects cdma base station breaks down, and then informing base station database subsystem 102 these carrier frequency states are malfunction, and this carrier frequency can be described as fault carrier frequency; Subsystem 102 informing base station carrier frequency control subsystem 103 in base station data storehouse are upgraded the cell channel list message at this fault carrier frequency place; Base station carrier control subsystem 103 is rejected this fault carrier frequency from the cell channel list message; The base band power output of this carrier frequency is closed or turned down to informing base station channel board subsystem.
Base station radio-frequency control subsystem 101 detects fault carrier frequency and reverts to normally, and then informing base station database subsystem 102 these carrier frequency states are normal; Subsystem 102 informing base station carrier frequency control subsystem 103 in base station data storehouse are upgraded this carrier frequency place cell channel list message; The base station carrier control subsystem increases in channel list message recovers normal carrier frequency, and informing base station channel board subsystem recovers the base band power output of this carrier frequency, perhaps slowly heightens base band power and exports normal condition to.
Use technical scheme of the present invention, when base station carrier breaks down, system can stop the output of carrier frequency base band power automatically, perhaps turn down its power output automatically, thereby prevent interference to other carrier area, reduce the generation of handoff failure, reduce the influence of carrier frequency fault cdma communication system; The cdma base station carrier frequency recovers just often, and system's carrier reinsertion base band power automatically exports or slowly heighten its power output, allows carrier frequency recover normal operation.
As shown in Figure 2, in cdma system, handle the method for carrier frequency fault automatically, comprise the steps:
Step S201: the radio frequency state under the base station radio-frequency control subsystem 101 periodicity base stations detected carrier frequency, if the radio frequency state changes, then the state of informing base station database subsystem 102 these carrier frequency changes, when judging the radio frequency state:
If consistent with normal condition, judge that then this carrier frequency is normal, state should be " normally "; If inconsistent with normal condition, then this carrier frequency of decidable breaks down, and is fault carrier frequency, and state should be " fault "; Whether change by periodicity base stations detected carrier frequency state, can in time adjust this carrier frequency operating state, for example detecting carrier frequency is malfunction, then can export by the power of this carrier frequency of subsequent communication channel plank system closing,
Step S202: base station data storehouse subsystem 102 is received the notice that the carrier frequency state of base station radio-frequency control subsystem 101 changes, correspondingly, the state of revising this fault carrier frequency of its record according to notice is " fault ", and informing base station carrier frequency control subsystem 103 needs to upgrade the cell channel list message and revises the output of carrier frequency base band power;
Step S203: base station carrier control subsystem 103, after receiving the notice of base station database subsystem 102, informing base station channel board subsystem 104 upgrades the channel list message of this sub-district, carrier frequency place: if the carrier frequency state is a fault, then the channel list message of sub-district does not comprise this carrier frequency; If the carrier frequency state is normal, then the channel list message of sub-district comprises this carrier frequency.
Step S204: base station carrier control subsystem 103 informing base station channel board subsystems 104 are revised the base band power output of this fault carrier frequency:
If the carrier frequency state is a fault, then close or turn down the output of carrier frequency base band power;
If the carrier frequency state is normal, then open or heighten the output of carrier frequency base band power.
When regulating base band power output, BTS channel plank system 104 can control the radio frequency control subsystem and come base band power output to adjust, and can close its power output at fault carrier frequency, perhaps slowly turns down its power output.
The system and method for carrier frequency fault is handled in automatic processing of the present invention, can also be applicable to the mobile communication system of other type, global system for mobile communications GSM for example, TD SDMA TD-SCDMA system etc.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the technical staff of the technical field of the invention, not breaking away under the design prerequisite of the present invention, can also make some deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. system that automatically handles carrier frequency fault comprises: the base station radio-frequency control subsystem, and the base station carrier control subsystem, BTS channel plank system, wherein:
The base station carrier control subsystem is when the base station radio-frequency control subsystem detects base station carrier and breaks down, informing base station channel board subsystem is rejected this fault carrier frequency from the cell channel list message, and indication BTS channel plank system closing or turn down the base band power output of this fault carrier frequency.
2. the system as claimed in claim 1 is characterized in that,
The base station carrier control subsystem, being further used for detecting fault carrier frequency in the base station radio-frequency control subsystem recovers just often, informing base station channel board subsystem increases this carrier frequency from the cell channel list message, and indication BTS channel plank system restoration or heighten the base band power output of this carrier frequency.
3. system as claimed in claim 1 or 2 is characterized in that, described system further comprises:
Base station data storehouse subsystem is used to write down the carrier frequency state, and informing base station carrier frequency control subsystem is upgraded carrier frequency place cell channel list message.
4. system as claimed in claim 1 or 2 is characterized in that,
BTS channel plank system closing or turn down the base band power output of this fault carrier frequency is by controlling realization to the base station radio-frequency control subsystem.
5. system as claimed in claim 1 or 2 is characterized in that,
Described base station is that code division multiple access inserts the base station in the cdma system, or the base station of global system for mobile communications gsm system, or the base station of TD SDMA TD-SCDMA system.
6. a method of handling carrier frequency fault automatically comprises the steps:
The radio frequency state of base stations detected carrier frequency becomes malfunction at the radio frequency state, judges that then this carrier frequency is a fault carrier frequency;
Upgrade the channel list message and the sub-district Overhead Message of sub-district, in described message, reject this fault carrier frequency, close or turn down the base band power output of this fault carrier frequency.
7. method as claimed in claim 6, this method further comprises:
After the radio frequency recovering state that detects base station carrier is normal condition, upgrade the channel list message and the sub-district Overhead Message of sub-district, in described message, increase this and recover normal carrier frequency, recover or heighten this base band power that recovers normal carrier frequency output.
8. as claim 6 or 7 described methods, this method further comprises:
After the radio frequency state that detects base station carrier changes, record carrier frequency state.
9. as claim 6 or 7 described methods, it is characterized in that,
Described base station is that code division multiple access inserts the base station in the cdma system, or the base station of global system for mobile communications gsm system, or the base station of TD SDMA TD-SCDMA system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105592731A CN102026245A (en) | 2010-11-24 | 2010-11-24 | System and method for automatically processing carrier frequency faults |
| PCT/CN2011/072444 WO2012068818A1 (en) | 2010-11-24 | 2011-04-02 | System and method for processing carrier frequency failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105592731A CN102026245A (en) | 2010-11-24 | 2010-11-24 | System and method for automatically processing carrier frequency faults |
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| CN102026245A true CN102026245A (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105592731A Pending CN102026245A (en) | 2010-11-24 | 2010-11-24 | System and method for automatically processing carrier frequency faults |
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| CN (1) | CN102026245A (en) |
| WO (1) | WO2012068818A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103209428A (en) * | 2012-01-12 | 2013-07-17 | 中兴通讯股份有限公司 | Radio frequency fault processing method, BBU and BTS |
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| US20100097939A1 (en) * | 2007-06-29 | 2010-04-22 | Fujitsu Limited | Fault Detection Method And Apparatus Of Wireless Resource |
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- 2011-04-02 WO PCT/CN2011/072444 patent/WO2012068818A1/en active Application Filing
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| CN1722895A (en) * | 2004-07-12 | 2006-01-18 | 中兴通讯股份有限公司 | A method of primary carrier frequency reconfiguration in multi-carrier cell |
| US20100097939A1 (en) * | 2007-06-29 | 2010-04-22 | Fujitsu Limited | Fault Detection Method And Apparatus Of Wireless Resource |
| CN101651475A (en) * | 2008-08-11 | 2010-02-17 | ***通信集团广西有限公司 | Method and equipment for transmitting data at carrier frequency of broadcast control channel |
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Cited By (2)
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| CN103209428A (en) * | 2012-01-12 | 2013-07-17 | 中兴通讯股份有限公司 | Radio frequency fault processing method, BBU and BTS |
| CN103209428B (en) * | 2012-01-12 | 2018-02-16 | 中兴通讯股份有限公司 | A kind of method and BBU, BTS for handling radio frequency impairments |
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| WO2012068818A1 (en) | 2012-05-31 |
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Application publication date: 20110420 |