CN101146309B - A cell resource failure processing method and device in communication system - Google Patents
A cell resource failure processing method and device in communication system Download PDFInfo
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Abstract
The invention discloses a cell resource fault handling method in a communication system. The method comprises: pre-allocating priority to cell resource, and selecting the cell with the resource allocation priority lower than that the cell with resource fault when the cell resource fault occurs; and allocating the resource of the selected cell to the cell with the resource fault. The invention also discloses a cell resource fault handling device which comprises a priority setup module and a resource fault handling module. The inventive method and the device can handle the cell resource fault in time.
Description
Technical field
The present invention relates to the communication technology, relate in particular to cell resource failure processing method and device in a kind of communication system.
Background technology
Along with the fast development of the communication technology, the coverage of mobile communications network is increasing, and number of users is also more and more, and operator is also more and more higher to the requirement of network quality.In order when better communication service is provided, to save the networking cost, the base station of many sub-districts has appearred supporting at present, such as, 2,3,6,9 or 12 sub-districts etc. are supported in a base station.The resource that this base station provides can be shared in each sub-district that belongs to a base station, such as transfer resources such as base band, radio frequencies.
Fig. 1 shows the existing schematic diagram that belongs to a plurality of sub-districts of a base station.Referring to Fig. 1, a base station is supported 6 sub-district: Cell1 to Cell6 altogether, and wherein Cell1 and Cell2 are that R99 and high-speed packet insert (High Speed packet Access, the HSPA) neighbor cell of mixed networking, equal corresponding frequency f2; Cell3 to Cell6 is the continuous sub-district of R99 independence networking, equal corresponding frequency f1.And above-mentioned Cell1 and the corresponding identical physical location of Cell4 are the frequency difference, and it is the sub-district of alien frequencies with covering that such sub-district is commonly referred to as, and in addition, Cell2 and Cell5 also are so same coverage cell of alien frequencies.
Under the situation of the resource-constrained of communication system, suppose that each base station is merely able to support 6 sub-districts at most, when the resource of any one sub-district of administering when the base station breaks down so, the veneer of for example distributing to this sub-district quits work or antenna damage etc., then communication failure can occur in this sub-district.For example: when the Cell4 among Fig. 1 broke down, the physical location of f1 frequency covered no longer continuous, and at this moment, the user in the fault cells Cell4 can't obtain communication service.The alien frequencies that the user in the fault cells can be switched to this fault cells for example switches among the Cell1 with in the coverage cell, promptly carries out alien frequencies and switches.But in communication system, quality of services for users can be subjected to influence to a certain degree when alien frequencies switched.In addition, if the operation principle that operator taked does not allow alien frequencies to switch or do not allow alien frequencies to switch the back in resident access in the Cell1 sub-district, the blind area will appear in the overlay area of fault cells so, thereby can't provide service for this regional user.
When faulty resource occurring in the sub-district, keep the proper communication of sub-district, thereby guarantee quality of services for users in this sub-district, can adopt manual mode that the resource of other sub-districts is reconfigured to this fault cells usually, so that recover the service of this sub-district.And, can during using the resource that reconfigures, fault cells manually repair fault by the network management personnel, and then utilize again and repair the resource that good resource replacement reconfigures.But, in the fault handling method of this manual mode, on the one hand the network management personnel is after the prompting of the sub-district that obtains breaking down, need manually handling failure sub-district one by one, the time of manual modification resource distribution is longer, in case and fault occurs in the unattended duty time period, then need to start processing when the network management personnel starts working by the time the time of can delay fault recovering; When realizing manually that on the other hand fault cells carried out resource reconfiguration, the principle of institute's foundation only is to give this fault cells with the resource distribution of other sub-districts, can make that like this randomness of network management personnel when resource reconfiguration is stronger, be difficult to come the whole resource distribution of considering from the whole network layout, thereby can cause after resource reconfiguration, may influencing normally providing of even more important business.For example, if the operation principle of operator is preferentially to guarantee the HSPA business, then give Cell4 with the resource reconfiguration of Cell1 after, the user who enjoyed the HSPA business originally has to interrupt ongoing HSPA business.
As seen, can't handle the local resource fault in time in the such scheme, and normally providing of business even more important under the operation principle may be provided.
Summary of the invention
The embodiment of the invention provides a kind of cell resource failure processing method, can solve the problem that can't in time handle the local resource fault that exists in the existing scheme.
In the cell resource failure processing method of the embodiment of the invention, comprise: when local resource breaks down, base station or net control device select resource distribution priority to be lower than the sub-district of this faulty resource local resource configuration preference level, wherein, described resource distribution priority is cell allocation according to the network operation strategy in advance; Give this faulty resource sub-district with the resource borrowing of the sub-district selected.
The embodiment of the invention also provides a kind of local resource fault treating apparatus that is arranged in base station or net control device, can solve the problem that can't in time handle the local resource fault that exists in the existing scheme.
In the local resource fault treating apparatus of the embodiment of the invention, comprising: priority is provided with module and faulty resource processing module, and wherein, described priority is provided with module, and being used for according to the network operation strategy is cell allocation resource distribution priority; Described faulty resource processing module, be used for when local resource breaks down, the resource distribution priority of module assignment is set according to priority, select resource distribution priority to be lower than the sub-district of this faulty resource local resource configuration preference level, and give this faulty resource sub-district the resource borrowing of the sub-district selected.
Use technique scheme, when the resource of finding certain sub-district breaks down, start processing automatically, can recover the fault of this sub-district comparatively in time, thereby significantly reduce the service outage duration of this sub-district, improve network service quality effectively fault.
In addition, be cell allocation resource distribution priority in advance in the embodiment of the invention, whether promptly embody each sub-district by resource distribution priority needs the preferential service that guarantees under the network operation strategy; When the sub-district can't provide service owing to faulty resource, the resource borrowing of the sub-district that resource distribution priority is lower was given the higher sub-district of resource distribution priority, can significantly reduce the situation that hinders processing for some reason and cause influencing important service like this.
Description of drawings
Fig. 1 is the existing schematic diagram that belongs to a plurality of sub-districts of a base station;
Fig. 2 is the exemplary process diagram of cell resource failure processing method in the embodiment of the invention;
Fig. 3 is the particular flow sheet of cell resource failure processing method in the embodiment of the invention;
Fig. 4 is the structural representation of local resource fault treating apparatus in the embodiment of the invention;
Fig. 5 is the structural representation of faulty resource processing module among Fig. 4.
Embodiment
For making purpose of the present invention, technical scheme clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further detail.
When in the embodiment of the invention faulty resource of sub-district being handled, main according to the local resource configuration preference level that sets in advance, for the faulty resource sub-district reconfigures resource.
Fig. 2 is the exemplary process diagram of cell resource failure processing method in the embodiment of the invention.Referring to Fig. 2, this method comprises:
In step 201, be each cell allocation resource distribution priority;
In this step, can come to be each cell allocation priority according to the network operation strategy of operator.What deserves to be explained is that step 201 can be carried out during the initial stage in networking, perhaps in the network operation process, regularly carry out, and need not when the local resource fault occurring, all to carry out at every turn.
In step 202, when local resource breaks down, select resource distribution priority to be lower than the sub-district of this faulty resource local resource configuration preference level, give this faulty resource sub-district with the resource distribution of the sub-district selected.
By above-mentioned flow process as seen, when the embodiment of the invention breaks down in the resource of finding certain sub-district, start processing automatically, can make response to the local resource fault comparatively in time faulty resource, thereby significantly reduce the service outage duration of this sub-district, improve network service quality effectively.
In addition, embody each sub-district by resource distribution priority in the embodiment of the invention and under the network operation strategy, whether need the preferential service that guarantees; When the sub-district can't provide service owing to faulty resource, the resource borrowing of the sub-district that resource distribution priority is lower was given the higher sub-district of resource distribution priority, can significantly reduce the situation that hinders processing for some reason and cause influencing important service like this.
The local resource troubleshooting scheme that adopts resource distribution priority is described below by more detailed description.In order to simplify description, below abbreviate resource distribution priority as priority, abbreviate the faulty resource sub-district as fault cells.
Fig. 3 shows the particular flow sheet of cell resource failure processing method in the embodiment of the invention, and referring to Fig. 3, this idiographic flow comprises:
In step 301, in the base station, be each cell allocation priority of being administered according to the network operation strategy.
In this step, determined the network operation strategy of operator at the networking initial stage after, the base station is each cell allocation priority of self administering.Certainly, also can be in the network operation process according to the distribution of the regular execution priority of network operation strategy.With the sub-district among Fig. 1 is example, suppose that the network operation strategy is that the whole network that guarantees frequency f1 covers, and guarantee normal service as the Cell4 and the Cell5 of hot zones, so, can be sub-district Cell4 and the higher priority of Cell5 distribution this moment, be other cell allocation lower priorities of employing frequency f1, and for adopting the lower priority of cell allocation of frequency f2.The priority height here can be set flexibly with the relation of priority numeral size, can be that the big more expression priority of numeral is high more, also can be that the more little expression priority of numeral is high more.
In step 302～304, when local resource breaks down, in the base station, determine the priority of fault cells, and with determined priority as priority threshold, whether judge in the sub-district that belongs to same base station exists priority to be lower than the sub-district of this priority threshold, if then execution in step 305; Otherwise, the prompting of sending manual resource reconfiguration, and process ends.
Because reshuffling of resource is to carry out in the affiliated base station of fault cells in the present embodiment, therefore the priority comparison range here need be confined to belong to each sub-district of same base station.And, the base station here not only can be the base station in the existing wireless communications system, but also can be that flat framework high-speed packet inserts (high speed packet access, HSPA)+in enhanced base station (Node B+), or Long Term Evolution (longtime evolution, LTE) base station of system.
Certainly, execution priority distribution and resource reconfiguration in also can other entities in network, for example, this entity is at Wideband Code Division Multiple Access (WCDMA) (wideband code division multiple access, WCDMA) can be radio network controller (RNC) (Radio Network Controller) in the system, between the sub-district that RNC administered, judge comparison this moment; Perhaps, code division multiple access (codedivision multiple access, CDMA) in the system can for base station controller (base stationcontroller, BSC), this moment between the sub-district that this BSC administered, judge comparison.Above-mentioned RNC and BSC etc. can be referred to as net control device.
Say that more specifically when execution priority distribution and resource reconfiguration in RNC, the judgement here can replace with: judge in the sub-district that belongs to same RNC whether exist priority to be lower than the sub-district of this priority threshold; In like manner, when in distribution of BSC medium priority and resource reconfiguration, then judge in the sub-district that belongs to same BSC whether exist priority to be lower than the sub-district of this priority threshold.In other words, when in RNC or BSC, carrying out the local resource troubleshooting, can not consider whether the sub-district of being used resource belongs to same base station with fault cells, but according to carrying out resource reconfiguration according to the priority of reflection network operation strategy.
In addition, when minimum or each sub-district has identical priority, all can judge the sub-district that does not exist priority to be lower than fault cells when the priority of fault cells in the present embodiment.When not having the sub-district that can use resource, remind the network management personnel manually to carry out resource reconfiguration by sending indication, for example veneer by manually using other sub-districts or antenna, manual adjustment memory address etc. realize manual resource reconfiguration.
Certainly, occur in the sub-district under the situation of faulty resource, when finding the local resource fault, perhaps in certain process after finding the local resource fault (when judging existence or not existing priority to be lower than the sub-district of fault cells), can send prompting in the present embodiment, remind the network management personnel or be used to repair the reparation of the entity startup of fault faulty resource.For example, can realize the reparation of faulty resources by maintenance failure veneer or antenna etc., the indication of perhaps passing through to be sent activates other entities that are used to repair fault and finishes the operation of repairing faulty resource.
And, no matter whether exist priority to be lower than the sub-district of priority threshold, all can after finish reparation, will recover normal resource and reconfigure, and will use to the resource distribution of fault cells and give former sub-district to the fault cells use.
In step 305～306, judge that in the base station whether number of cells that priority is lower than priority threshold is greater than 1, if then execution in step 307; Otherwise the resource reconfiguration that will be lower than the sub-district correspondence of priority threshold is given fault cells, and process ends.
When only existing a sub-district to have the priority that is lower than priority threshold, show under the network operation strategy that is adopted, in order to guarantee the normal service of fault cells, have only the importance of a sub-district lower, therefore just can select this sub-district that is lower than priority threshold in this case, the resource distribution of this sub-district is used to fault cells.The resource had here both comprised the hardware resource of veneer, antenna and so on, comprised various types of software resources again.
In step 307, according to the resource reconfiguration rule that sets in advance, be lower than the sub-district of selecting to be used resource the sub-district of priority threshold, and give fault cells the resource reconfiguration of this sub-district from priority.
Resource reconfiguration rule in this step can be priority principle, cell number ascending order principle, cell number descending principle, selection principle or priority and cell number combination principle etc. at random.Specifically, under the priority principle, from priority is lower than the sub-district of priority threshold, directly select the minimum sub-district of priority, give fault cells the resource reconfiguration of selected sub-district; Under cell number ascending order principle, from being lower than the sub-district of priority threshold, priority selects the sub-district of cell number maximum, give fault cells with the resource reconfiguration of selected sub-district; Under cell number descending principle, from being lower than the sub-district of priority threshold, priority selects the sub-district of cell number minimum, give fault cells with the resource reconfiguration of selected sub-district; Under selection principle at random, from being lower than the sub-district of priority threshold, priority selects a sub-district at random, give fault cells with the resource reconfiguration of selected sub-district; Under priority and cell number combination principle, can from being lower than the sub-district of priority threshold, priority select the sub-district that priority is minimum and cell number is maximum or minimum, give fault cells with the resource reconfiguration of selected sub-district.Certainly, the resource reconfiguration principle in this step is not limited to above-mentioned several situation, can also be according to other set any principles of operation strategy by the network management personnel.
If the local resource fault treating apparatus is arranged in RNC, then above-mentioned steps 305 is all carried out in RNC to 307; Similarly, if the local resource fault treating apparatus is arranged in BSC, then above-mentioned steps 305 is all carried out in BSC to 307.
So far, the local resource troubleshooting process in the end present embodiment.
From above-mentioned flow process as seen, when breaking down corresponding to the resource of certain or some sub-districts in the base station, based on the principle of the normal service that guarantees the high priority sub-district, if there is the lower sub-district of priority, then therefrom select the resource of a sub-district automatically, satisfy the demand of fault cells; If there is no can use the sub-district of resource, so automatically the extraneous treatment mechanism that starts of prompting.We can say that present embodiment can also guarantee normally providing of important service as much as possible when in time faulty resource being responded.Therefore, compare with the existing fault processing, the service outage duration of fault cells significantly reduces, and network service quality can be effectively improved; And troubleshooting is also lower to the influence of important service.
Can also only be that alien frequencies is with the cell allocation priority that covers in the present embodiment, and when local resource breaks down,, and the resource of selecteed sub-district is reconfigured to fault cells with selecting priority to be lower than the sub-district of this fault cells priority the coverage cell from the alien frequencies of this fault cells.In this case, step 301 becomes: according to the network operation strategy is that alien frequencies distributes priority with coverage cell; Step 303 and 304 becomes: the alien frequencies of failure judgement sub-district is with whether there being the sub-district that is lower than priority threshold in the coverage cell, if then execution in step 305, otherwise, the indication of sending manual resource reconfiguration, and process ends.
Fig. 4 shows in the present embodiment local resource fault treating apparatus of flow process in the execution graph 3.Referring to Fig. 4, this device comprises: priority is provided with module and faulty resource processing module.It is cell allocation priority that priority wherein is provided with module.The faulty resource processing module is provided with the priority of module assignment according to priority when local resource breaks down, select priority to be lower than the sub-district of this fault cells priority, and gives this fault cells with the resource distribution of the sub-district selected.It can be all cell allocation priority under a base station or the net control device according to the network operation strategy that the priority here is provided with module, can be that alien frequencies under a base station or the net control device distributes priority with coverage cell according to the network operation strategy also.
In addition, above-mentioned local resource fault treating apparatus can also comprise memory module, being used to preserve priority, module is set is the priority that all sub-districts administered of base station or net control device or the alien frequencies of being administered distribute with coverage cell, and the priority of being preserved is offered the faulty resource processing module.
Fig. 5 shows the structural representation of faulty resource processing module among Fig. 4.Referring to Fig. 5, this module comprises: control submodule, resource reconfiguration submodule and prompting submodule.The control submodule here, be used for when local resource breaks down, read the priority of each sub-district, select a priority to be lower than the sub-district of fault cells priority, and notice resource reconfiguration submodule is given fault cells with the resource reconfiguration of this sub-district, can also when breaking down, local resource notify prompting submodule to send the prompting of repairing fault, and when not existing priority to be lower than the sub-district of fault cells priority, the prompting that the notice prompting submodule is sent manual resource reconfiguration.Prompting submodule is sent the prompting of manual resource reconfiguration and/or is sent the prompting of repairing fault to the outside under the notice of control submodule.
Local resource fault treating apparatus in the present embodiment can be used as an independent entity and is present in the network, also can be arranged in the network entity such as base station, network controller.And above-mentioned cell resource failure processing method and device go for such as in the various communication systems such as CDMA, WCDMA and HSPA+, LTE.
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 protection scope of the present invention.
Claims (14)
1. a cell resource failure processing method is characterized in that, this method comprises:
When local resource broke down, base station or net control device selected resource distribution priority to be lower than the sub-district of this faulty resource local resource configuration preference level, and wherein, described resource distribution priority is cell allocation according to the network operation strategy in advance;
Give this faulty resource sub-district with the resource borrowing of the sub-district selected.
2. the method for claim 1 is characterized in that, is all cell allocation resource distribution priority under a base station or the net control device according to the network operation strategy;
The sub-district that described selection resource distribution priority is lower than this faulty resource local resource configuration preference level is: select resource distribution priority to be lower than the sub-district of the resource distribution priority of this faulty resource sub-district under described base station or net control device all sub-districts of Resources allocation configuration preference level.
3. the method for claim 1 is characterized in that, is that alien frequencies under a base station or the net control device is with coverage cell Resources allocation configuration preference level according to the network operation strategy;
The sub-district that described selection resource distribution priority is lower than this faulty resource local resource configuration preference level is: from being assigned with of described faulty resource sub-district the alien frequencies of resource distribution priority with selecting resource distribution priority to be lower than the sub-district of the resource distribution priority of this faulty resource sub-district the coverage cell.
4. as any described method in the claim 1 to 3, it is characterized in that the sub-district that described selection resource distribution priority is lower than the resource distribution priority of this faulty resource sub-district is:
The number of cells that is lower than the resource distribution priority of faulty resource sub-district in described resource distribution priority is 1 o'clock, selects described resource distribution priority to be lower than the sub-district of the resource distribution priority of faulty resource sub-district;
The number of cells of resource distribution priority that is lower than the faulty resource sub-district in described resource distribution priority was greater than 1 o'clock, according to the resource reconfiguration rule that sets in advance, from being lower than the sub-district of resource distribution priority of faulty resource sub-district, resource distribution priority selects a sub-district.
5. method as claimed in claim 4 is characterized in that, and is described according to the resource reconfiguration rule that sets in advance, and selects a sub-district to comprise from resource distribution priority is lower than the sub-district of resource distribution priority of faulty resource sub-district:
Be lower than the sub-district of resource distribution priority of faulty resource sub-district from described resource distribution priority, select the minimum sub-district of resource distribution priority;
Perhaps, be lower than the sub-district of resource distribution priority of faulty resource sub-district, select the maximum or minimum sub-district of cell number from described resource distribution priority;
Perhaps, be lower than the sub-district of resource distribution priority of faulty resource sub-district, select a sub-district at random from described resource distribution priority;
Perhaps, be lower than the sub-district of resource distribution priority of faulty resource sub-district, select the sub-district that resource distribution priority is minimum and cell number is maximum or minimum from described resource distribution priority.
6. as any described method in the claim 1 to 3, it is characterized in that described selection resource distribution priority is lower than before the sub-district of this faulty resource local resource configuration preference level, further comprises:
Judge whether to exist resource distribution priority to be lower than the sub-district of the resource distribution priority of described faulty resource sub-district, if then carry out described selection.
7. method as claimed in claim 6 is characterized in that, after the sub-district of judging the resource distribution priority that does not exist resource distribution priority to be lower than described faulty resource sub-district, further comprises: the prompting of sending manual resource reconfiguration.
8. as any described method in the claim 1 to 3, it is characterized in that this method further comprises: send the prompting that reparation is broken down.
9. a local resource fault treating apparatus is characterized in that, described local resource fault treating apparatus is arranged in base station or net control device, and this device comprises: priority is provided with module and faulty resource processing module, wherein,
Described priority is provided with module, is cell allocation resource distribution priority according to the network operation strategy;
Described faulty resource processing module, when local resource breaks down, the resource distribution priority of module assignment is set according to priority, select resource distribution priority to be lower than the sub-district of this faulty resource local resource configuration preference level, and give this faulty resource sub-district the resource borrowing of the sub-district selected.
10. device as claimed in claim 9, it is characterized in that, it is all cell allocation resource distribution priority under a base station or the net control device according to the network operation strategy that described priority is provided with module, is that alien frequencies under a base station or the net control device is with coverage cell Resources allocation configuration preference level according to the network operation strategy perhaps.
11., it is characterized in that described faulty resource processing module comprises as claim 9 or 10 described devices: control submodule and resource reconfiguration submodule, wherein,
Described control submodule, when local resource breaks down, read the resource distribution priority of each sub-district, select a resource distribution priority to be lower than the sub-district of the resource distribution priority of faulty resource sub-district, and notify the resource reconfiguration submodule to give this faulty resource sub-district the resource reconfiguration of the sub-district of described selection;
Described resource reconfiguration submodule under the notice of described control submodule, is given described faulty resource sub-district with the resource reconfiguration of selecteed sub-district correspondence.
12. device as claimed in claim 11 is characterized in that, described faulty resource processing module further comprises: prompting submodule, be used under the notice of described control submodule, and send the prompting of repairing fault to the outside;
The prompting that further the notice prompting submodule is sent the reparation fault when local resource breaks down of described control submodule.
13. device as claimed in claim 12 is characterized in that, described prompting submodule further under the notice of described control submodule, is sent the prompting of manual resource reconfiguration to the outside;
Described control submodule when not existing resource distribution priority to be lower than the sub-district of resource distribution priority of described faulty resource sub-district, the prompting that the notice prompting submodule is sent manual resource reconfiguration.
14. as claim 9 or 10 described devices, it is characterized in that, this device further comprises: memory module is used to preserve described priority the resource distribution priority that module is a cell allocation is set, and the resource distribution priority of being preserved is offered described faulty resource processing module.
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| CN101835165A (en) * | 2010-04-30 | 2010-09-15 | 上海华为技术有限公司 | Cell reconstruction method and system based on hardware failure |
| CN102238595B (en) | 2010-04-30 | 2014-02-26 | 华为技术有限公司 | Method and equipment for processing cell outage |
| US20150358836A1 (en) * | 2013-01-16 | 2015-12-10 | Nec (China) Co., Ltd. | Method and apparatus for dl/ul resource configuration in a tdd system |
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