CN100345457C - Method for preventing internal resource from letting out in base station system - Google Patents
Method for preventing internal resource from letting out in base station system Download PDFInfo
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Abstract
The present invention relates to the third-generation mobile communication field, which discloses a method for preventing internal resources from letting out in a base station system. The method fundamentally solves the problem of the leakage of the internal resources in a base station system existing in the prior art. The present invention mainly comprises the following steps that a first subsystem undertaking a main control signal processing function and a resource management function sends a first signal to a second subsystem for executing specific functions for a service resource pond in order to request the audit of internal resources, and the signal comprises resource information existing in the first subsystem; the second subsystem compares resource information in the subsystem with the resource information in the first signal, and surplus resources which do not exist in the first subsystem are deleted. Therefore, the audit of the internal resources in the base station system is executed to check the consistence of service channel resources among the different subsystems in a base station, and the leakage of the internal resources in the base station system is effectively avoided.
Description
Technical field
The present invention relates to 3G (Third Generation) Moblie (The Third Generation, be called for short " 3G ") technology, be particularly related to base station system in Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, be called for short " the WCDMA ") mobile communication system to the processing method of inner resource leakage.
Background technology
Flourish along with the communication technology, particularly mobile communication technology be showing improvement or progress day by day and perfect, the widespread adoption trend of 3G technology day has shown ripe.Wherein, the WCDMA mobile communication technology has become an of paramount importance branch in the 3G standard.
The WCDMA mobile communication system comprises subscriber equipment (User Equipment is called for short " UE "), wireless access network and core net three parts.Fig. 1 shows the composition structure of the wireless access network in the WCDMA mobile communication system.Wireless access network 10 in the WCDMA mobile communication comprises two class functional entitys: radio network controller (Radio Network Controller is called for short " RNC ") 11 and several B nodes (being also referred to as " Node B ") 12.
Wherein, RNC11 directly links to each other by the interface of standard with a plurality of B nodes 12, the Signalling exchange between the core net in mainly responsible wireless access network 10 of RNC11 and the WCDMA mobile communication system on the interface, and its while also is responsible for the management of on-air radio resource etc.Be familiar with the person skilled in art and be to be understood that B node 12 described here just is meant the base station in fact, it links to each other with UE by wireless mode.
Fig. 2 shows in the prior art in the WCDMA mobile communication system logic function in the B node 12 and forms structure.As seen from the figure, the base station in the WCDMA mobile communication system mainly comprises software subsystem 20 and algorithm process subsystem 30 on logic function.Wherein, software subsystem 20 is mainly finished master control signaling process function and channel resource management function, and algorithm process subsystem 30 then is to carry out functions such as concrete channel decoding and modulation and demodulation.And, comprising master control signaling processing module 21 and channel resource management module 22 in the software subsystem 20, master control signaling processing module 21 is wherein realized the signaling process function, 22 of channel resource management modules are finished the channel resource management function.
Need to prove, for the system that makes can support big capacity, system adopts the multi-channel resource parallel processing technique, therefore the algorithm process subsystem 30 of base station generally is designed to service resources pond as shown in Figure 2, the notion of this resource pool is for professional, and different business can be handled in same module.
Comprised 32 two service resources ponds of codec module 31 and modulation module in the algorithm process subsystem 30, codec module 31 wherein is in order to realize the coding and decoding function, and modulation module 32 is then finished the function of modulation.
As the resource in the service resources pond module of codec module 31 and modulation module 32 1 classes relation one to one should be arranged in the resource of channel resource management module 22 and the algorithm subsystem 30 in the software subsystem 20.If this relation one to one is because some is unusual and destroyed, this will make some resource in the algorithm subsystem 30 be disabled to take always so, so-called resource leakage problem promptly occurs, the incorrect problem of resource indicating status in the software subsystem 20 perhaps occurs.
It is to be noted in addition, all safeguarding as above-mentioned traffic channel resource between the software subsystem 20 of inside of base station and the algorithm subsystem 30, in fact but in the processing procedure of prior art, the inconsistent problem of resource situation of software subsystem 20 and algorithm subsystem 30 takes place easily.And, WCDMA is descending to be with orthogonal variable frequency extension factor code (Orthogonal Variable Spreading Factor, be called for short " OVSF ") distinguish different user, if producing resource leakage, codec module 31 just also may cause new link connection and the conflict of residual link channel code, and such channel code conflict can cause in the system down link obstructed or inner-loop power control is unusual.
In actual applications, there is following problem in such scheme: can't effectively solve the leakage problem of internal resource in the base station system and the negative effect that causes thus.Specifically, be easy to generate software subsystem 20 and the inconsistent problem of algorithm subsystem 30 resource situations in the prior art, thereby cause the maximum resource of the actual resource that can use in base station less than the base station, the resource leakage problem promptly occurs, so just may cause the failure of channel resource allocation in the base station and increase the percent of call lost of base station.And the resource leakage problem that is produced in the prior art processing procedure can further cause the conflict of descending OVSF channel code, and such abnormal conditions can further cause system the higher percent of call lost to occur, thereby influence systematic function.
Summary of the invention
In view of this, main purpose of the present invention is to provide the method that prevents in a kind of base station system that internal resource from revealing, and makes fundamentally to solve internal resource leakage problem in the base station system that exists in the prior art.
For achieving the above object, the invention provides the method that prevents in a kind of base station system that internal resource from revealing, wherein, comprise second subsystem that is used to bear first subsystem of master control signaling process function and resource management function and carries out concrete function as the service resources pond in the described system
It is characterized in that,
Comprise following steps:
Described first subsystem of B sends first signaling to second subsystem, requires to carry out the internal resource audit, comprises the resource information that exists in described first subsystem in this signaling;
Resource information in this subsystem of described second subsystem comparison of C and the resource information in described first signaling are with the unnecessary resource deletion that does not have in described first subsystem.
Wherein, described resource is a traffic channel resource, and described first subsystem is used to bear master control signaling process function and channel resource management function, and described second subsystem is used to carry out concrete channel decoding, modulation and demodulation function.
Described step C also comprises following substep:
After described second subsystem is deleted unnecessary resource,, comprise deleted unnecessary resource information in this message to alarm subsystem report and alarm message.
Among the described step B, described first subsystem periodically sends described first signaling to described second subsystem.
Among the described step B, per 1 hour of described first subsystem sends described first signaling to described second subsystem.
Described step C also comprises following substep:
Described second subsystem wherein comprise the information of the resource that has in described first subsystem but do not have in described second subsystem, and described first subsystem is preserved described response message to the described first subsystem feedback response message.
During any one condition, described first subsystem sends first signaling to second subsystem below satisfying:
After carrying out the sub-district reconstruction;
After carrying out the public resource reconstruction;
Described first subsystem is received the failure response message of described second subsystem, and failure cause is an inadequate resource.
Described method also comprises following steps:
Described second subsystem of A sends second signaling to the described first subsystem request, requires to initiate the internal resource audit, described second signaling of described first subsystem responses, and execution in step B.
During any one condition, described second subsystem sends described second signaling to the described first subsystem request below satisfying:
The sub-district exists in the cell parameter configuration signal;
The connection that the sub-district exists in the signaling, main control software is set up a codec module or the modulation module has existed is set up in the sub-district;
Described second subsystem inter-process mechanism is unusual.
Described second subsystem comprises module that is used for coding and decoding and the module that is used for modulation.
By relatively finding, there are following difference in technical scheme of the present invention and prior art: at first, the present invention initiates and issues internal auditing to second subsystem termly to indicate by first subsystem is initial under a stable condition, carry out base station system internal resource checking consistency, and delete unnecessary resource; Secondly, some channel of appointment is in second subsystem and under the non-existent particular case in described audit Indication message, and this second subsystem reports the audit response message, is convenient to positioning problems so that first subsystem is kept at these responses in the running log; In addition, second subsystem just can send audit request Indication message and auditing initiatively requiring when detecting internal system and have the inconsistent abnormal conditions of signal resource.
Difference on this technical scheme has brought comparatively significantly beneficial effect.Specifically, the present invention program is by carrying out the audit of base station system internal resource termly, make the traffic channel resource between the inside of base station subsystem regularly to verify mutually, and be consistent, thereby solved the base station system internal resource leakage problem that exists in the prior art effectively, and can solve the descending OVSF channel code collision problem that causes because resource reveals that exists equally in the prior art, ensured the runnability of base station system in the WCDMA mobile communication system.
Description of drawings
Fig. 1 is the composition structural representation of the wireless access network in the broad band CDMA mobile communication in the prior art;
Fig. 2 be in the prior art in the WCDMA mobile communication system logic function of B node form structure;
Fig. 3 prevents from the base station system according to an embodiment of the invention to be initiated the idiographic flow schematic diagram of internal auditing by master control signaling software in the method for internal resource leakage;
Fig. 4 prevents in the base station system according to an embodiment of the invention in the method for internal resource leakage, by the idiographic flow schematic diagram of codec module and modulation module initiation internal auditing request.
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.
Generally speaking, principle of the present invention is, by regularly carry out the internal resource audit in base station system, verifies the consistency of traffic channel resource between the inside of base station different sub-systems, thereby has avoided the internal resource in the base station system to reveal effectively.Specifically, referring to Fig. 2, in one embodiment of the invention, in the base station system master control signaling processing module 21 in the software subsystem 20 codec module in algorithm subsystem 30 31 and modulation module 32 issue B node (Node B) 12 internal auditings indications (AUDIT REQUEST) termly.In another embodiment, codec module 31 and modulation module 32 are just initiatively sent audit request indication (AUDITREQUIRE INDICACTION) when detecting the generation abnormal conditions, require resource consistency is audited with active.Thus,, guaranteed the consistency of resource between the inner different sub-systems of base station system, avoided generation resource leakage problem, ensured systematic function by the audit mutually regularly between software subsystem 20 and the algorithm subsystem 30.
The idiographic flow of inside of base station audit according to an embodiment of the invention is at first described below.
Need to prove, in the present embodiment, comprise first subsystem that is used to bear master control signaling process function and resource management function---software subsystem 20 in the base station system, and second subsystem---the algorithm subsystem 30 of carrying out concrete function as the service resources pond.More particularly, first subsystem is used to bear master control signaling process function and channel resource management function; Modulation module 32 that second subsystem is used to carry out concrete channel decoding, modulation and demodulation function, and this subsystem comprises the module that is used for coding and decoding---codec module 31 and be used for the module of modulation---.
Present embodiment mainly comprises two big steps.In first big step, above-mentioned first subsystem sends first signaling, requires to carry out the internal resource audit, comprises the resource information that exists in first subsystem in this signaling.In second big step, resource information in above-mentioned this subsystem of second subsystem comparison and the resource information in described first signaling are with the unnecessary resource deletion that does not have in described first subsystem.
Wherein, can also comprise two sub-steps in the second largest step.First substep is after second subsystem is deleted unnecessary resource, to alarm subsystem report and alarm message, comprises deleted unnecessary resource information in this message.Second sub-steps be second subsystem to the first subsystem feedback response message, wherein comprise the information of the resource that has in first subsystem but do not have in second subsystem, and first subsystem is preserved this response message.
In order to make present embodiment easier to understand, further be illustrated below in conjunction with the flow process among Fig. 3.
At first, in step 300, master control signaling processing module 21 issues B node 12 internal auditings indication (AUDIT REQUEST) message to coding and decoding or modulation module 33 periodically, and which channel notice coding and decoding or modulation module 33 should have exist, and check in view of the above.For the convenience of describing, codec module 31 or modulation module 32 are referred to as coding and decoding or modulation module 33 herein.
Need to prove that according to the present invention, master control signaling processing module 21 can initiatively be initiated the internal auditing request: 1, after carrying out the sub-district reconstruction when satisfying arbitrarily condition; 2, after carrying out the common signal channel reconstruction; 3, master control signaling processing module 21 is received the failure response message of coding and decoding or modulation module 33, and failure cause is the system resource deficiency.
Cause master control signaling processing module 21 to be initiated after the internal auditing request above-mentioned arbitrary situation occurring, master control signaling processing module 21 can be initiated periodic internal auditing request to the resource of coding and decoding or modulation module 33 at set intervals, can carry out corresponding in time the adjustment to occurring the inconsistent situation of resource in the system more rapidly thus.Those of ordinary skill in the art can understand, and the size of this period interval time should be provided with according to the disposal ability of system's reality and the situation of current network load statistics.According to one preferably among the embodiment of the present invention, this cycle is 1 hour.
It is example that table 1 illustrates with codec module 31, internal auditing indication (AUDIT REQUEST) message structure that master control signaling processing module 21 issues.
Table 1
| IE/Group Name (group name) | Semantics description (semantic description) |
| DL CCTrCH Num | The downstream code-group that master control |
| ＞DL CCTrCH ID | Downstream code-group is closed the transmission channel call number |
| UL CCTrCH Num | The last every trade code combination transmission channel number that master control |
| ＞UL CCTrCH ID | Up code combination transmission channel call number |
Next, in step 310, coding and decoding or modulation module 33 are after receiving B node 12 internal auditings indication (AUDIT REQUEST) message, just the unnecessary channel that will wherein declare outside the channel according to the as above internal auditing shown in the table 2 indication (AUDIT REQUEST) message is initiatively deleted, and this action and relevant information are reported to alarm subsystem as event alarm.
If in this internal auditing, some channel of appointment does not exist in coding and decoding or modulation module 33 in described audit indication (AUDIT REQUEST) message, then carry out step 320, coding and decoding or modulation module 33 are returned audit response (AUDITRESPONSE) message, the relevant information of carrying these channels in this message to master control signaling processing module 21.
This shows that the present invention can realize the consistency of resource in the base station system, thereby avoid producing the resource leakage problem by above-mentioned processing.
In other words, if the descending/up code combination transmitting channel information of descending/up code combination transmitting channel information that codec module 31 the insides exist and internal auditing indication (AUDIT REQUEST) message the inside is inconsistent, then codec module 31 just delete inconsistent descending/up code combination transmission channel, and the descending/up code combination transmitting channel information that will lack in step 320 is given master control signaling processing module 21 by audit response (AUDIT RESPONSE) information reporting.Equally, if descending/up code combination transmitting channel information audit is inconsistent, then codec module 31 is with regard to deleting self and having and the dedicated channel that master control signaling processing module 21 does not have.
What pay particular attention to is that if the channel indexes number (ID) in the internal auditing that master control signaling processing module 21 issues indication (AUDIT REQUEST) message has exceeded the system specialization scope, then codec module 31 just is left intact; And, above-mentioned audit response (AUDIT RESPONSE) message does not only just report master control signaling processing module 21 by coding and decoding or modulation module 33 when the specified channel of audit indication (AUDIT REQUEST) message does not exist, and then this response message is kept in the running log so that positioning problems by the software subsystem 20 of B node 12, then coding and decoding or modulation module 33 do not report this message, the overweight signaling traffic load that the present invention can avoid interacting message to bring to system by such processing effectively in other situation.
Table 2 illustrates the structure that codec module 31 is reported to audit response (AUDITRESPONSE) message of master control signaling processing module 21.
Table 2
| IE/Group Name (group name) | Semantics description (semantic description) |
| DL CCTrCH Num | The downstream code-group that master control |
| ＞DL CCTrCH ID | Downstream code-group is closed the transmission channel call number |
| UL CCTrCH Num | The last every trade code combination transmission channel number that master control |
| ＞UL CCTrCH ID | Up code combination transmission channel call number |
The detailed process of master control signaling processing module 21 initiation internal auditing requests has been described above according to one embodiment of present invention.Again in conjunction with Fig. 4, in the description according to another embodiment of the invention, coding and decoding or modulation module 33 initiatively require to initiate the situation of internal auditings below.
In the present embodiment, before above-mentioned two big steps, also increased a step.Specifically, shown in the step 400 of Fig. 4, below satisfying during any one condition, second subsystem---coding and decoding or modulation module 33 require first subsystem by reporting audit request indication (AUDIT REQUIREINDICACTION) message---and master control signaling processing module 21 is initiated internal auditing: 1, the sub-district exists in the cell parameter configuration signal; 2, the sub-district sets up that the sub-district exists in the signaling, and master control signaling processing module 21 is set up the connection that a coding and decoding or modulation module 33 have existed; 3, inter-process mechanism occurs unusual.
In the present embodiment, by under above-mentioned three kinds of situations, sending audit request indication to first subsystem by second subsystem, make the subsystem of winning in time to make effective processing, avoided abnormal conditions to produce and the problem that can not handle in real time the corresponding abnormal conditions that exist in second subsystem.
The composition structure of audit request indication (AUDIT REQUIRE INDICACTION) message described here is as shown in table 3 below.
Table 3
| IE/Group Name (group name) | Default (acquiescence) | Semantics description (semantic description) |
| Cause | Initiate the reason of audit request |
Need to prove that " Cause " in audit request indication (AUDIT REQUIRE INDICACTION) message of last table is the reason that shows coding and decoding or the 33 initiation audit requests of modulation module.
In the present embodiment, after this first embodiment of step and expansion and this paper is identical, briefly, be that above-mentioned first subsystem sends first signaling, the internal resource audit is carried out in requirement, comprises the resource information that exists in first subsystem in this signaling, subsequently, resource information in this subsystem of second subsystem comparison and the resource information in first signaling are with the unnecessary resource deletion that does not have in first subsystem.Same, also further comprise after second subsystem is deleted unnecessary resource, report the step of the alarm information that comprises deleted unnecessary resource information to alarm subsystem; And second subsystem comprise the step of response message of the information of the resource that has in first subsystem but do not have in second subsystem to first subsystem feedback.For making article succinct, do not do at this and to give unnecessary details.
Though by reference some preferred embodiment of the present invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that, can do various changes to it in the form and details, and the spirit and scope of the present invention that do not depart from appended claims and limited.
Claims (10)
1. prevent the method that internal resource is revealed in the base station system, wherein, comprise first subsystem that is used to bear master control signaling process function and resource management function in the described system and carry out second subsystem of concrete function as the service resources pond,
It is characterized in that described method comprises following steps:
Described first subsystem of B sends first signaling to second subsystem, requires to carry out the internal resource audit, comprises the resource information that exists in described first subsystem in this signaling;
Resource information in this subsystem of described second subsystem comparison of C and the resource information in described first signaling are with the unnecessary resource deletion that does not have in described first subsystem.
2. prevent the method that internal resource is revealed in the base station system according to claim 1, it is characterized in that, described resource is a traffic channel resource, and, described first subsystem is used to bear master control signaling process function and channel resource management function, and described second subsystem is used to carry out concrete channel decoding, modulation and demodulation function.
3. prevent the method that internal resource is revealed in the base station system according to claim 2, it is characterized in that described step C also comprises following substep:
After described second subsystem is deleted unnecessary resource,, comprise deleted unnecessary resource information in this message to alarm subsystem report and alarm message.
4. prevent the method that internal resource is revealed in the base station system according to claim 2, it is characterized in that among the described step B, described first subsystem periodically sends described first signaling to described second subsystem.
5. prevent the method that internal resource is revealed in the base station system according to claim 4, it is characterized in that among the described step B, per 1 hour of described first subsystem sends described first signaling to described second subsystem.
6. prevent the method that internal resource is revealed in the base station system according to claim 2, it is characterized in that described step C also comprises following substep:
Described second subsystem wherein comprise the information of the resource that has in described first subsystem but do not have in described second subsystem, and described first subsystem is preserved described response message to the described first subsystem feedback response message.
7. prevent the method that internal resource is revealed in the base station system according to claim 2, it is characterized in that during any one condition, described first subsystem sends first signaling to second subsystem below satisfying:
After carrying out the sub-district reconstruction;
After carrying out the public resource reconstruction;
Described first subsystem is received the failure response message of described second subsystem, and failure cause is an inadequate resource.
8. prevent the method that internal resource is revealed in the base station system according to claim 2, it is characterized in that described method also comprises following steps:
Described second subsystem of A sends second signaling to the described first subsystem request, requires to initiate the internal resource audit, described second signaling of described first subsystem responses, and execution in step B.
9. prevent the method that internal resource is revealed in the base station system according to claim 8, it is characterized in that during any one condition, described second subsystem sends described second signaling to the described first subsystem request below satisfying:
The sub-district exists in the cell parameter configuration signal;
The connection that the sub-district exists in the signaling, main control software is set up a codec module or the modulation module has existed is set up in the sub-district;
Described second subsystem inter-process mechanism is unusual.
10. according to the method that prevents in any described base station system of claim 1 to 9 that internal resource from revealing, it is characterized in that described second subsystem comprises module that is used for coding and decoding and the module that is used for modulation.
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| EP1248479A2 (en) * | 2001-04-04 | 2002-10-09 | Siemens Information and Communication Networks S.p.A. | Method to offer packet services on radio resources shared by more users in a mobile system of the TDD-CDMA type |
| CN1486105A (en) * | 2002-09-24 | 2004-03-31 | 深圳市中兴通讯股份有限公司 | Method for handling hardware fault of base station device |
| US20040082337A1 (en) * | 2002-10-21 | 2004-04-29 | Evolium S.A.S. | Method and a system for managing the changing of resources in a communications network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1248479A2 (en) * | 2001-04-04 | 2002-10-09 | Siemens Information and Communication Networks S.p.A. | Method to offer packet services on radio resources shared by more users in a mobile system of the TDD-CDMA type |
| CN1486105A (en) * | 2002-09-24 | 2004-03-31 | 深圳市中兴通讯股份有限公司 | Method for handling hardware fault of base station device |
| US20040082337A1 (en) * | 2002-10-21 | 2004-04-29 | Evolium S.A.S. | Method and a system for managing the changing of resources in a communications network |
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| Title |
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| 3GPP TS 25.433 Technical Specification 3GPP Organizational Partners,全文,3GPP Organizational Partners 2004 * |
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