CN101730262B - Call processing method, base station controller and mobile switching center server - Google Patents
Call processing method, base station controller and mobile switching center server Download PDFInfo
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- CN101730262B CN101730262B CN 200810173415 CN200810173415A CN101730262B CN 101730262 B CN101730262 B CN 101730262B CN 200810173415 CN200810173415 CN 200810173415 CN 200810173415 A CN200810173415 A CN 200810173415A CN 101730262 B CN101730262 B CN 101730262B
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Abstract
The invention discloses a call processing method, a base station controller and a mobile switching center server. The method comprises the following steps: when a mobile communication system is abnormal, the base station controller firstly releases related resources of partial or all the callings in the control range and then sends release information to the mobile switching center server, wherein the release information carries with calling identifications used for indicating the mobile switching center server to release related resources of partial or all the callings. The technical scheme provided in the invention can reduce the waste of network resources and improve the utilization rate of network resources.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to call processing method, base station controller and Mobile Switching Center Server.
Background technology
At existing global system for mobile communications (Global System for MobileCommunications, referred to as GSM) in, (the Mobile SwitchingCenter of mobile switching centre, referred to as MSC) and base station controller (Base Station Controller, referred to as BSC) between adopt the A interface to carry out communication, the A interface is based on time division multiplexing (Time Division Multiple, referred to as TDM) carry, transmission is pulse code modulation (Pulse Code Modulation is referred to as PCM) the speech coding signal of 64Kbps thereon.And on the air interface Um Interface between portable terminal (Mobile Station is referred to as MS) and the base station (Base Station is referred to as BTS), transmission be the compressed voice code signal.Be connected by Abis interface between BTS and the BSC, this Abis interface also is based on the TDM carrying, and transmission is the compressed voice code signal identical with Um Interface thereon.Wherein, BSC has code conversion and rate adaptation function (Transcode Rate Adaption Unit, referred to as TRAU), the unit of realizing this function is codec unit (Transcoder, referred to as TC), the conversion of the PCM speech coding of the 64Kbps that transmits in the compressed voice coding that TC is mainly used in transmitting in the Abis interface and the A interface.
Development along with No.3 generation mobile communication system, behind 3GPP release4, core net has realized separating of control and carrying, moving exchanging center MSC resolves into two functional entitys, that is: Mobile Switching Center Server (Mobile Switching Center Server, referred to as MSC Server) and media gateway (Media Gateway is referred to as MGW).Wherein, MSC Server is mainly used in the control to signaling and calling, MGW then mainly provides service bearer, MGW can be used as destination node and processes from the Bearer Channel of Circuit Switching Network or the data flow of Packet Based Network, and, the conversion of MGW support media, Bearer Control and load are processed, as carry out encoding and decoding, echo inhibition, conference etc.Connect by Mc interface between MSC Server and the MGW, MSC Server finishes control to MGW by Mc interface.
Along with the application of IP technology in wireless network, the A interface progressively adopts based on IP carrying (being A Interface Over IP, referred to as AoIP).As shown in Figure 1, in the situation of A interface based on the IP carrying, the gsm communication network comprises: portable terminal 60, base station 50, base station controller 20, media gateway 30, Mobile Switching Center Server 10, and the Mc interface between the A interface between the Abis interface between the Um Interface between portable terminal 60 and the base station 50, base station 50 and the base station controller 20, base station controller 20 and media gateway 30 and the Mobile Switching Center Server 10, Mobile Switching Center Server 10 and the media gateway 30.
After the IP carrying was introduced, call identifier was used to identify specific a calling between wireless network and core net, and utilizes this identifier to realize carrying out call identification between wireless network and core net.When system's abnormal, if BSC or MSC Server do not carry out call treatment to the calling based on IP carrying, then can't discharge, recover and reuse etc. relevant resource, thereby cause the waste of Internet resources.
Summary of the invention
In view of this, the invention provides call processing method, BSC and MSC Server, owing to when the abnormal situation, calling is not processed, and cause problem to the waste of Internet resources in order to solve in the prior art.
According to an aspect of the present invention, provide a kind of call processing method, the method is applied to comprise the scene of the mobile communication system abnormal of BSC and MSC Server.
Call processing method according to the present invention comprises: when the mobile communication system abnormal, base station controller at first discharges the related resource of the part or all of calling in its control range, then send release message to Mobile Switching Center Server, wherein, carry call identification in this release message, the related resource that is used to indicate the Mobile Switching Center Server release portion or all calls out.
According to another aspect of the present invention, provide a kind of BSC.
BSC according to the present invention comprises: release module and sending module, and wherein, release module is used in the situation of the mobile communication system abnormal under this BSC, discharges the related resource of the part or all of calling in its control range; Sending module is used for sending release message to MSCServer, wherein, carries call identification in this release message, the related resource that is used to indicate MSC Server release portion or all calls out.
According to a further aspect of the invention, provide another kind of call processing method, the method also is applied to comprise the scene of the mobile communication system abnormal of BSC and MSC Server.
Another kind of call processing method according to the present invention comprises: MSC Server is released in the related resource of the part or all of calling in the control range of the BSC in mobile communication system under it; MSC Server sends release message to above-mentioned BSC, wherein, carries call identification in this release message, the related resource that is used to indicate the BSC release portion or all calls out.
According to a further aspect of the invention, also provide a kind of MSC Server.
MSC Server according to the present invention comprises: release module and sending module.Wherein, release module is used in the situation of mobile communication system abnormal, discharges the related resource of the part or all of calling in the control range of the BSC in this mobile communication system; Sending module is used for sending release message to above-mentioned BSC, wherein, carries call identification in this release message, the related resource that is used to indicate the BSC release portion or all calls out.
By above-mentioned at least one scheme of the present invention, when system's abnormal, by the release message between BSC and MSC Server, calling is processed, the resource of release portion calling or all-calls has reduced the waste of Internet resources, has improved the utilance of Internet resources.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of writing, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide a further understanding of the present invention, and consists of the part of specification, is used for together with embodiments of the present invention explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the gsm communication network system architecture figure based on the IP carrying according to prior art;
Fig. 2 is a kind of call processing method flow chart according to the embodiment of the invention;
Fig. 3 is the form schematic diagram according to the release message of the embodiment of the invention and response message;
Fig. 4 is the structured flowchart according to the BSC of the embodiment of the invention;
Fig. 5 is the flow chart according to the another kind of call processing method of the embodiment of the invention;
Fig. 6 is the structured flowchart according to the MSC Server of the embodiment of the invention;
Fig. 7 is the implementation flow chart of embodiment one;
Fig. 8 is the implementation flow chart of embodiment two.
Embodiment
Functional overview
As mentioned above, the present invention is directed to when the communication system abnormal, the requirement that need to process calling, a kind of call treatment scheme has been proposed, in this scheme, BSC in the communication system and MSC Server be by release message, discharges the related resource of the part or all of calling in the control range of this BSC that is subject to the communication system anomalous effects.According to call treatment scheme of the present invention, two kinds of implementations can be arranged, a kind of is to be initiated by BSC, it is the related resource that BSC discharges the part or all of calling in its control range, and to MSCServer transmission release message, in this release message, carry the call identification that needs release, after MSC Server receives this release message, according to the call identification that carries in this release message, discharge the related resource of the calling corresponding with this sign; Another kind is to be initiated by MSC Server, it is the related resource that MSC Server discharges the part or all of calling in the BSC control range, and to BSC transmission release message, in this release message, carry call identification, after MSC Server receives this release message, according to the call identification that carries in this release message, discharge the related resource of above-mentioned part or all of calling.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, is not intended to limit the present invention.
According to the embodiment of the invention, a kind of call processing method at first is provided, the method is applied to the scene of mobile communication system abnormal, and wherein, this mobile communication system comprises BSC and MSC Server.
Fig. 2 is the call processing method flow chart according to the embodiment of the invention, as shown in Figure 2, mainly comprises following processing (step S201-step S203) according to the call processing method of the embodiment of the invention:
Step S201:BSC discharges the related resource of the part or all of calling in its control range;
When the communication system abnormal, BSC passes through lower layer signaling, can know that communication system has occured unusually, then BSC initiates to discharge the flow process of the related resource of affected calling in its control range, discharges the related resource of affected part or all of calling in its control range.
Step S203:BSC sends release message to MSC Server, wherein, carries call identification in this release message, and this call identification is used to indicate the related resource that MSC Server discharges above-mentioned part or all of calling.
In specific implementation process, MSC Server is receiving from the above-mentioned release message of BSC and is obtaining the call identification that wherein carries, discharge the related resource of above-mentioned part or all of calling, and return response message to BSC, carry above-mentioned call identification in this response message.
In specific implementation process, can represent that with identical message format calling under the related resource that needs discharge is all or part of calling in the control range of BSC, in this case, can comprise in the above-mentioned call identification: the first call identification of the related resource of the whole callings in control range that indicates whether to discharge BSC, and its resource of one or more indication needs the second call identifier of d/d calling.Particularly, the form of above-mentioned release message and response message can be as shown in Figure 3, be that above-mentioned the first call identification is length information, indicated whether to discharge the whole callings in the control range of this BSC by variables L ength (length), and the second call identification is the call identifier (also can be called ringing number) of the d/d calling of its resource needs.During the related resource of the whole callings in needs discharge the control range of BSC, the value of Length (length) is 0, and the value of above-mentioned one or more call identifiers (i.e. the second call identifier) is sky (NULL); And when the part in the control range that needs release BSC is called out, the second call identification is for each calls out corresponding call identifier in this part calling, wherein, each call identifier is the call identifier number that carries at a release message with four byte representations, the value of Length (length).
In specific implementation process, above-mentioned steps S201 also can after BSC receives above-mentioned response message from MSC Server, discharge the related resource of above-mentioned part or all of calling again.
According to the said method of the embodiment of the invention, can when the mobile communication system abnormal, initiate to discharge the related resource of partly or entirely calling out in its control range by BSC.
According to the embodiment of the invention, a kind of BSC also is provided, this BSC can be used for implementing above-mentioned call processing method.
Fig. 4 is the structured flowchart according to the BSC of the embodiment of the invention, as shown in Figure 4, comprises according to the BSC of the embodiment of the invention: release module 41 and connected sending module 43.Wherein, release module 41 is used in the situation of the communication system abnormal under this BSC, discharges the related resource of the part or all of calling in the control range of this BSC; Sending module 43 is used for sending release message to MSC Server, wherein, carries call identification in this release message, is used to indicate the related resource that MSC Server discharges above-mentioned part or all of calling.
In specific implementation process, also can be after sending module 43 have sent above-mentioned release message, when this BSC receives from the response message of MSC Server, trigger release module 41, discharge the related resource of above-mentioned part or all of calling.
Above-mentioned BSC according to the embodiment of the invention provides can when system's abnormal, initiate the process of the related resource of the part or all of calling in the release BSC control range.
According to the embodiment of the invention, another kind of call processing method also is provided, the method also is applied to the scene of mobile communication system abnormal, wherein, this mobile communication moves and comprises BSC and MSC Server, the difference of this call processing method and above-mentioned call processing method is that this call processing method is initiated by MSC Server.
Fig. 5 is the flow chart according to the call processing method of the embodiment of the invention, as shown in Figure 5, mainly comprises following processing (step S501-step S503) according to the call processing method of the embodiment of the invention:
Step S501:MSC Server is released in the related resource of the part or all of calling in the control range of BSC;
When the communication system abnormal, MSC Server passes through lower layer signaling, can know that communication system has occured unusually, then MSC Server initiate to discharge the process of the related resource of the part or all of calling in the control range of BSC in this mobile communication system, discharges the related resource of affected part or all of calling in this control range.
Step S503:MSC Server sends release message to BSC, wherein, carries call identification in the above-mentioned release message, is used to indicate the related resource that BSC discharges above-mentioned part or all of calling.
In specific implementation process, BSC is receiving from the above-mentioned release message of MSC Server and is obtaining the call identification that wherein carries, discharge the related resource of above-mentioned part or all of calling, and return response message to MSC Server, carry above-mentioned call identification in this response message.
In specific implementation process, can comprise in the above-mentioned call identification: the first call identification of the related resource of the whole callings in control range that indicates whether to discharge BSC, and its resource of one or more indication needs the second call identifier of d/d calling.Particularly, the form of above-mentioned release message and response message can be as shown in Figure 3, be that above-mentioned the first call identification is length information, indicated whether to discharge the whole callings in the control range of this BSC by variables L ength (length), and the second call identification is the call identifier (also can be called ringing number) of the d/d calling of its resource needs.During the related resource of the whole callings in needs discharge the control range of BSC, the value of Length (length) is 0, and the value of above-mentioned one or more call identifiers (i.e. the second call identifier) is sky (NULL); And when the part in the control range that needs release BSC is called out, the second call identification is for each calls out corresponding call identifier in this part calling, wherein, each call identifier can be with four byte representations, the call identifier number of the value of Length (length) for carrying at a release message.
In specific implementation process, above-mentioned steps S501 also can after MSC Server receives above-mentioned response message from BSC, discharge the related resource of above-mentioned part or all of calling again.
According to the said method that the embodiment of the invention provides, can when the mobile communication system abnormal, initiate to discharge the related resource of partly or entirely calling out in the control range of the BSC in this mobile communication system by MSC Server.
According to the embodiment of the invention, a kind of MSC Server also is provided, the mobile communication system at this MSC Server place also comprises BSC, this MSC Server can be used for implementing the described call processing method of above-mentioned Fig. 5.
Fig. 6 is the structured flowchart according to the MSC Server of the embodiment of the invention, as shown in Figure 6, comprises according to the MSC Server of the embodiment of the invention: release module 61 and connected sending module 63.Wherein, release module 61 is used in the situation of mobile communication system abnormal, the related resource of the part or all of calling in the control range of release BSC; Sending module 63 is used for sending release message to BSC, wherein, carries call identification in the release message, is used to indicate the related resource that BSC discharges above-mentioned part or all of calling.
In specific implementation process, also can be after sending module 63 have sent above-mentioned release message, when receiving the response message from MSC Server, trigger release module 61, discharge the related resource of above-mentioned part or all of calling.
Above-mentioned MSC Server according to the embodiment of the invention provides can when system's abnormal, initiate the process of the related resource of call release.
In order to further describe the specific implementation process of the technical scheme that the embodiment of the invention provides, the below is described the specific implementation process of two kinds of above-mentioned call processing methods with two embodiment.
Embodiment one
In the present embodiment, when the mobile communication system abnormal, by the flow process that BSC makes a call and processes, Fig. 7 is the implementation flow chart of present embodiment, and as shown in Figure 7, the implementation of present embodiment mainly may further comprise the steps:
Step S701:BSC sends releasing request message to MSC Server, carries call identifier in this releasing request message, is used to indicate the related resource of the some or all of calling in the control range that MSC Server discharges BSC;
Particularly, the form of above-mentioned releasing request message can be as shown in Figure 3, and when Length (length) was 0, indication needed the related resource of the interior whole callings of the control range of release BSC; When Length (length) was not 0, indication discharged the related resource of the calling corresponding with each call identifier.
After step S703:MSC Server receives releasing request message, obtain the call identification that carries in this releasing request message, perhaps the related resource of calling corresponding to the call identifier that carries in the releasing request message discharged, perhaps discharge the related resource of the whole callings of carrying based on IP in the control range of this BSC;
Step S705:MSC Server sends the releasing request response message to BSC, carry above-mentioned call identification in this releasing request response message, and this releasing request response message also can adopt form as shown in Figure 3.
Before step S701, or after step S705, the method comprises that also BSC discharges the related resource of above-mentioned part or all of calling.
Embodiment two
In the present embodiment, when the mobile communication system abnormal, by the flow process that MSC Server makes a call and processes, Fig. 8 is the implementation flow chart of present embodiment, and as shown in Figure 8, the implementation of present embodiment mainly may further comprise the steps:
Step S801:MSC Server sends releasing request message to BSC, carries call identification in this releasing request message, is used to indicate the related resource that BSC discharges the part or all of calling in its control range;
Particularly, the form of above-mentioned releasing request message can be as shown in Figure 3, and when Length (length) was 0, indication needed the related resource of the interior whole callings of the control range of release BSC; When Length (length) was not 0, indication discharged the related resource of the calling corresponding with each call identifier.
After step S803:BSC receives above-mentioned releasing request message, obtain the call identification that carries in this releasing request message, perhaps the resource of the relevant calling of the call identifier that carries in the releasing request message discharged, perhaps discharge all the resource by relevant with this MSCServer calling of carrying based on IP of this BSC management;
Step S805:BSC sends the releasing request response message to MSC Server, and this releasing request response message carries above-mentioned call identification, and this releasing request response message also can adopt message format as shown in Figure 3.
Before step S801, or after step S805, the method comprises that also MSCServer discharges the related resource of above-mentioned part or all of calling.
As mentioned above, the technical scheme that provides by the embodiment of the invention, BSC and MSCServer pass through release message, discharge the related resource of the part or all of calling in the control range of this BSC, so that when the mobile communication system abnormal, can discharge the related resource of the part or all of calling in the control range of BSC in this system, so that this part Internet resources has obtained recovery, and then can be reused, thereby reduced the waste of Internet resources, improved the utilance of Internet resources.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. call processing method is applied to the scene of mobile communication system abnormal, and wherein, described mobile communication system comprises base station controller and Mobile Switching Center Server, it is characterized in that, described method comprises:
Described base station controller discharges the related resource of the part or all of calling in its control range;
Described base station controller sends release message to described Mobile Switching Center Server, wherein, carries call identification in the described release message, is used to indicate the related resource that described Mobile Switching Center Server discharges described part or all of calling;
Wherein, described call identification comprises: the first call identification of the related resource of the whole callings in control range that indicates whether to discharge described base station controller, and its resource of one or more indication needs the second call identification of d/d calling.
2. method according to claim 1 is characterized in that, after described Mobile Switching Center Server sent described release message, described method also comprised at described base station controller:
Described Mobile Switching Center Server receives described release message and obtains the described call identification that wherein carries, and discharges the related resource of described part or all of calling; Described Mobile Switching Center Server sends response message to described base station controller, and carries described call identification in described response message.
3. method according to claim 1 and 2, it is characterized in that, described the first call identification is length information, when described the first call identification is 0, the related resource of the whole callings in the control range of the described base station controller of indication release, and the value of described one or more the second call identifications is empty; When described the first call identification was not 0, indication discharged the resource that the part in the control range of described base station controller is called out, and the call identifier of described one or more the second call identification described part calling that need to discharge for its resource.
4. a base station controller is characterized in that, comprising:
Release module is used in the situation of the mobile communication system abnormal under the described base station controller, discharges the related resource of the part or all of calling in the control range of described base station controller;
Sending module is used for sending release message to Mobile Switching Center Server, wherein, carries call identification in the described release message, is used to indicate the related resource that described Mobile Switching Center Server discharges described part or all of calling;
Wherein, described call identification comprises: the first call identification of the related resource of the whole callings in control range that indicates whether to discharge described base station controller, and its resource of one or more indication needs the second call identification of d/d calling.
5. call processing method is applied to the scene of mobile communication system abnormal,
Wherein, described mobile communication system comprises base station controller and Mobile Switching Center Server, it is characterized in that, described method comprises:
Described Mobile Switching Center Server is released in the related resource of the part or all of calling in the control range of described base station controller;
Described Mobile Switching Center Server sends release message to described base station controller, wherein, carries call identification in the described release message, is used to indicate described base
Station control discharges the related resource of described part or all of calling;
Wherein, described call identification comprises: the first call identification of the related resource of the whole callings in control range that indicates whether to discharge described base station controller, and the second call identification of its resource of one or more indication calling that need to discharge.
6. method according to claim 5 is characterized in that, after described base station controller sent described release message, described method also comprised at described Mobile Switching Center Server:
Described base station controller receives described release message and obtains the described call identification that wherein carries, and discharges the related resource of described part or all of calling;
Described base station controller sends response message to described Mobile Switching Center Server, and carries described call identification in described response message.
7. according to claim 5 or 6 described methods, it is characterized in that, described the first call identification is length information, when described the first call identification is 0, the related resource of the whole callings in the control range of the described base station controller of indication release, and the value of described one or more the second call identifications is empty; When described the first call identification was not 0, indication discharged the resource that the part in the control range of described base station controller is called out, and the call identifier of described one or more the second call identification described part calling that need to discharge for its resource.
8. the mobile communication system under Mobile Switching Center Server, described Mobile Switching Center Server comprises base station controller, it is characterized in that described Mobile Switching Center Server comprises:
Release module is used in the situation of described mobile communication system abnormal, discharges the related resource of the part or all of calling in the control range of described base station controller;
Sending module is used for sending release message to described base station controller, wherein, carries call identification in the described release message, is used to indicate the related resource that described base station controller discharges described part or all of calling;
Wherein, described call identification comprises: the first call identification of the related resource of the whole callings in control range that indicates whether to discharge described base station controller, and its resource of one or more indication needs the second call identification of d/d calling.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1263657A (en) * | 1998-04-17 | 2000-08-16 | 三星电子株式会社 | Reconnection of dropped call in mobile communication system |
| CN1289516A (en) * | 1998-12-03 | 2001-03-28 | 三星电子株式会社 | Method of automatically reconnecting a dropped call in a mobile communication |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1263657A (en) * | 1998-04-17 | 2000-08-16 | 三星电子株式会社 | Reconnection of dropped call in mobile communication system |
| CN1289516A (en) * | 1998-12-03 | 2001-03-28 | 三星电子株式会社 | Method of automatically reconnecting a dropped call in a mobile communication |
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