CN1921687B - Call building method for base station controller multiple adscription network-estabilishing - Google Patents
Call building method for base station controller multiple adscription network-estabilishing Download PDFInfo
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- CN1921687B CN1921687B CN2006100626519A CN200610062651A CN1921687B CN 1921687 B CN1921687 B CN 1921687B CN 2006100626519 A CN2006100626519 A CN 2006100626519A CN 200610062651 A CN200610062651 A CN 200610062651A CN 1921687 B CN1921687 B CN 1921687B
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Abstract
The invention relates to a call building method under base station controller multi-attach network. Wherein, said method comprises: A, the caller sends inter-junction call, the caller mobile exchange center MSC obtains the called user position information in attach position register HLR, HLT detects that the MSC of caller and called users are belonging to same resource pool; HLR feedbacks response message to the caller MSC to redirect the service of caller MSC to called MSC; B, caller MSC starts service redirection, to send service redirection information to the base station controller BSC, carrying the mark of called MSC; caller BSC receives said service redirection message, based on its called MSC mark, to send call request to the called MSC; C, called MSC receives the call request of caller BSC to build internal junction call. The invention can make the common inter-junction call between different MSC in one resource pool into internal junction call, to save the inter-junction conversation resource.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of base station controller (Base Station Contral, BSC) call-establishing method under the multi-home networking.
Background technology
Under the tradition networking situation, a BSC can only meet a MSC (Mobile Switch Center, mobile switching centre).Yet along with the development and the more and more jumbo networking of communication system, fail safe becomes the emphasis that common carriers are more and more paid close attention to, and large tracts of land service disconnection how to avoid Single Point of Faliure to cause is the problem that each equipment manufacturers faces.
In order to address the above problem, so industry has proposed to adopt BSC multi-home networking mode in the CDMA2000 wireless core network, a BSC in the BSC multi-home networking connects a plurality of MSC; BSC multi-home networking mode comprises A-Flex networking, IU-Flex networking etc.Be that example describes with the A-Flex networking below, see also Fig. 1, it is A-Flex networking schematic diagram, as shown in the figure, a BSC in the network connects a plurality of MSC, BSC handles distribution of services by certain algorithm to each MSC, realize load sharing between each MSC by dynamic distribution adjustment; When a MSC needs to suspend operation processing for a certain reason, can take over its Business Processing by other MSC.Each MSC forms a resource pool in same A-Flex networking scope, realizes the resource-sharing of BSC to each MSC by A-Flex.For an A-Flex networking of sharing fully, the BSC in this scope is connected with all interior MSC of this scope.
See also Fig. 2, the call establishment under the A-Flex networking of prior art is specific as follows:
1, the calling subscriber makes a call, and caller BSC1 sends CM_Service_Req message to caller MSC1;
2, caller MSC1 sends assignment request message to caller BSC1, requires to set up the land circuit between MSC1 and BSC1 and the channel of eating dishes without rice or wine;
3, caller MSC1 gets called subscriber's positional information in HLR (Home Location Register, attaching position register);
4, HLR gets TLDN (Temporary Local Directory Number, Temporary Local Directory Number) number in the VLR2 (Visitor Location Register, Visited Location Registor) at called subscriber place;
5, return to HLR behind the VLR2 distribution T LDN number at called subscriber place;
6, HLR turns back to caller MSC1 to the TLDN number;
7, after the land circuit between caller MSC1 and caller BSC1 and the channel of eating dishes without rice or wine were set up, caller BSC1 sent assignment for caller MSC1 and finishes message;
8, caller MSC1 sends IAM to the MSC2 at called subscriber place, and carries called subscriber's TLDN number;
9, called MS C2 initiates paging by called BSC2 to the called subscriber;
10, after paging arrived the called subscriber, called BSC2 sent page-response message for called MS C2;
11, called MS C2 sends assignment request message to called BSC2, requires to set up the land circuit between MSC2 and BSC2 and the channel of eating dishes without rice or wine;
12, after the land circuit between called MS C2 and called BSC2 and the channel of eating dishes without rice or wine were set up, called BSC2 sent assignment for called MS C2 and finishes message;
13, called MS C2 sends the ACM response message to the MSC1 at calling subscriber place;
14, called BSC2 sends the Connect connection message for called MS C2;
15, called MS C2 sends ANM to caller MSC1, and advise called subscriber is finished and replied.
Yet, when the call-establishing method under the A-Flex networking of above-mentioned prior art is handled in the same A-Flex pond common station to station call between different MS C, calling need be carried in the interoffice speech channel of (being different interoffices) between different MS C, therefore need take the interoffice traffic resource.
Summary of the invention
Technical problem to be solved by this invention is to provide the call-establishing method under a kind of BSC multi-home networking of saving the interoffice traffic resource.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: the call-establishing method under a kind of BSC multi-home networking is provided, and this method may further comprise the steps:
A, calling subscriber initiate station to station call, when calling mobile exchanging center MSC gets called subscriber's positional information in attaching position register HLR, the MSC that HLR detects the caller and called users place belongs to same resource pool, and then HLR returns to caller MSC and indicates caller MSC initiation business to be redirected to called MS C in the response message;
B, caller MSC initiate professional being redirected, and send professional redirect message to caller BSC, and carry the sign of called MS C; Caller BSC receives described professional redirect message, according to the sign of the called MS C in the message, sends call request to called MS C;
C, called MS C set up office call after receiving the call request of caller BSC.
The described HLR of steps A returns in the response message indication caller MSC initiation business to caller MSC and is redirected to called MS C and specifically may further comprise the steps: HLR home position request response, and the sign of carrying called MS C, indication caller MSC initiates professional being redirected.
Described step B further may further comprise the steps:
After B1, caller MSC receive position request response message, detect the called MS C sign in the message, then send professional redirect message to caller BSC, indication caller BSC is redirected to called MS C to business;
After B2, caller BSC receive professional redirect message, detect and to be redirected to called MS C to business, then send the connection management business request information to called MS C.
Described step C further may further comprise the steps:
C1, called MS C inquire does not have calling subscriber's data among this Visited Location Registor VLR, then initiate the implicit location registers of calling subscriber;
C2, the implicit location registers of calling subscriber are behind the VLR at called subscriber place, and when called MS C got called subscriber's positional information in HLR, HLR detected caller and called users in same MSC, then sets up office call.
Described step C1 further may further comprise the steps:
After C11, called MS C received the connection management business request information of caller BSC, inquiring did not have calling subscriber's data among this VLR, then initiated implicit location registers flow process, sent the location registers notification message to HLR and got calling subscriber's data;
C12, HLR inquire calling user information in caller VLR, then send registration cancellation message to this VLR;
After C13, caller VLR received registration cancellation message, cancellation calling subscriber data sent registration cancellation response message to HLR;
C14, HLR send location registers push-notification-answer message to called VLR, and carry calling subscriber's data.
Step C2 is described to be set up office call and further may further comprise the steps:
Set up land circuit and the channel of eating dishes without rice or wine between C21, called MS C and caller BSC, called MS C also initiates paging to called BSC;
Set up land circuit and the channel of eating dishes without rice or wine between C22, called MS C and called BSC, set up office call between called subscriber and calling subscriber.
Described step C21 further may further comprise the steps:
C211, called MS C send assignment request message to caller BSC, require to set up the land circuit between called MS C and caller BSC and the channel of eating dishes without rice or wine;
C212, called MS C send beep-page message to called BSC;
After the land circuit between C213, called MS C and caller BSC and the channel of eating dishes without rice or wine were set up, caller BSC sent assignment for called MS C and finishes message;
C214, paging are behind the called subscriber, and called BSC sends page-response message for called MS C;
Described step C22 further may further comprise the steps:
C221, called MS C send assignment message to called BSC, require to set up the land circuit between called MS C and called BSC and the channel of eating dishes without rice or wine;
After the land circuit between C222, called MS C and called BSC and the channel of eating dishes without rice or wine were set up, called BSC sent assignment for called MS C and finishes message;
Behind C223, the called subscriber answer, called BSC sends connection message for called MS C.
The invention has the beneficial effects as follows: the common station to station call between different MS C becomes office call in the same resource pool because the call-establishing method under the BSC multi-home networking of the present invention by professional redirected, makes, thereby has saved the interoffice traffic resource.
Description of drawings
Fig. 1 is a prior art A-Flex networking schematic diagram.
Fig. 2 is the call establishment schematic diagram under the A-Flex networking of prior art.
Fig. 3 is the flow chart of the call-establishing method under the BSC multi-home networking of the present invention.
Fig. 4 is the call establishment schematic diagram under the BSC multi-home networking of the present invention.
Embodiment
Below in conjunction with accompanying drawing the call-establishing method under the BSC multi-home networking of the present invention is further described.
The present invention mainly is that the common station to station call between the different MS C that will carry out in same resource pool scope becomes office call after optimizing, to save the interoffice traffic resource.
See also Fig. 3, the call-establishing method under the BSC multi-home networking of the present invention may further comprise the steps:
A, calling subscriber initiate station to station call, when calling mobile exchanging center MSC gets called subscriber's positional information in attaching position register HLR, the MSC that HLR detects the caller and called users place belongs to same resource pool, and then HLR returns to caller MSC and indicates caller MSC initiation business to be redirected to called MS C in the response message;
B, caller MSC initiate professional being redirected, and send professional redirect message to caller BSC, and carry the sign of called MS C; Caller BSC receives described professional redirect message, according to the sign of the called MS C in the message, sends call request to called MS C;
C, called MS C set up office call after receiving the call request of caller BSC.
Described step C further may further comprise the steps:
C1, called MS C inquire does not have calling subscriber's data among this Visited Location Registor VLR, then initiate the implicit location registers of calling subscriber;
C2, the implicit location registers of calling subscriber are behind the VLR at called subscriber place, and when called MS C got called subscriber's positional information in HLR, HLR detected caller and called users in same MSC, then sets up office call.
See also Fig. 4, the call establishment under the BSC multi-home networking of the present invention specifically describes as follows:
1, the calling subscriber makes a call, and caller BSC1 sends connection management business request information CM_Service_Req to caller MSC1;
2, caller MSC1 sends location request message LOCREQ and get called subscriber's positional information in HLR;
3, HLR detects the MSC1 at calling subscriber place and the MSC2 at called subscriber place belongs to same resource pool, and then HLR returns the Locreq response message, and carries the sign of called MS C2, and indication caller MSC1 initiates professional being redirected;
4, after caller MSC1 receives the Loereq response message, detect the called MS C2 sign in the message, then send professional redirect message Service Redirection to caller BSC1, indication caller BSC1 is redirected to called MS C2 to business;
5, after caller BSC1 receives Service Redirection message, detect and to be redirected to called MS C2 to business, then send CM_Service_Req message to called MS C2;
6, after called MS C2 received the CM_Service_Req message of caller BSC1, inquiring did not have calling subscriber's data among this VLR2, then initiated implicit location registers flow process, sent location registers notification message REGNOT to HLR and got calling subscriber's data;
7, HLR inquires calling user information in caller VLR1, then sends registration cancellation message REGCANC to this VLR1;
8, after caller VLR1 received REGCANC message, cancellation calling subscriber data sent response message regcanc to HLR;
9, HLR sends regnot message to called VLR2, and carries calling subscriber's data;
10, after the implicit location registers of calling subscriber was finished, called MS C2 sent LOCREQ message to HLR, gets called subscriber's positional information;
11, after HLR receives LOCREQ message, detect caller and called users in same MSC, directly return response message Locreq;
12, after called MS C2 receives the Locreq response message, inquire the called subscriber just in this VLR2, then called MS C2 sends assignment request message to caller BSC1, require to set up between called MS C2 and caller BSC1 land circuit with eat dishes without rice or wine channel;
13, called MS C2 sends beep-page message to called BSC2;
14, after the land circuit between called MS C2 and caller BSC1 and the channel of eating dishes without rice or wine were set up, caller BSC1 sent assignment for called MS C2 and finishes message;
15, paging is behind the called subscriber, and called BSC2 sends page-response message for called MS C2;
16, called MS C2 sends assignment message to called BSC2, requires to set up the land circuit between called MS C2 and called BSC2 and the channel of eating dishes without rice or wine;
17, after the land circuit between called MS C2 and called BSC2 and the channel of eating dishes without rice or wine were set up, called BSC2 sent assignment for called MS C2 and finishes message;
18, behind the called subscriber answer, called BSC2 sends connection message Connect for called MS C2.
The present invention is for ordinary call, if caller and called users can become office call to station to station call in same BSC multi-home networking scope, thereby saves the interoffice traffic resource.
The present invention is owing to carried out implicit location registers, and the calling subscriber is in called MS C location registers, and behind the end of conversation, calling subscriber's position is in called MS C.The follow-up registration of occurrence positions again can re-register among the caller MSC.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the call-establishing method under the base station controller multi-homing networking is characterized in that this method may further comprise the steps:
A, calling subscriber initiate station to station call, when calling mobile exchanging center MSC gets called subscriber's positional information in attaching position register HLR, the MSC that HLR detects the caller and called users place belongs to same resource pool, and then HLR returns to caller MSC and indicates caller MSC initiation business to be redirected to called MS C in the response message;
B, caller MSC initiate professional being redirected, and send professional redirect message to the caller base station controller BSC, and carry the sign of called MS C; Caller BSC receives described professional redirect message, according to the sign of the called MS C in the message, sends call request to called MS C;
C, called MS C set up office call after receiving the call request of caller BSC.
2. the method for claim 1, it is characterized in that: the described HLR of steps A returns in the response message indication caller MSC initiation business to caller MSC and is redirected to called MS C and specifically may further comprise the steps: HLR home position request response, and the sign of carrying called MS C, indication caller MSC initiates professional being redirected.
3. method as claimed in claim 2 is characterized in that: described step B further may further comprise the steps:
After B1, caller MSC receive position request response message, detect the called MS C sign in the message, then send professional redirect message to caller BSC, indication caller BSC is redirected to called MS C to business;
After B2, caller BSC receive professional redirect message, detect and to be redirected to called MS C to business, then send the connection management business request information to called MS C.
4. method as claimed in claim 3 is characterized in that: described step C further may further comprise the steps:
C1, called MS C inquire does not have calling subscriber's data among this Visited Location Registor VLR, then initiate the implicit location registers of calling subscriber;
C2, the implicit location registers of calling subscriber are behind the VLR at called subscriber place, and when called MS C got called subscriber's positional information in HLR, HLR detected caller and called users in same MSC, then sets up office call.
5. method as claimed in claim 4 is characterized in that: described step C1 further may further comprise the steps:
After C11, called MS C received the connection management business request information of caller BSC, inquiring did not have calling subscriber's data among this VLR, then initiated implicit location registers flow process, sent the location registers notification message to HLR and got calling subscriber's data;
C12, HLR inquire calling user information in caller VLR, then send registration cancellation message to this VLR;
After C13, caller VLR received registration cancellation message, cancellation calling subscriber data sent registration cancellation response message to HLR;
C14, HLR send location registers push-notification-answer message to called VLR, and carry calling subscriber's data.
6. method as claimed in claim 4 is characterized in that: step C2 is described to be set up office call and further may further comprise the steps:
Set up land circuit and the channel of eating dishes without rice or wine between C21, called MS C and caller BSC, called MS C also initiates paging to called BSC;
Set up land circuit and the channel of eating dishes without rice or wine between C22, called MS C and called BSC, set up office call between called subscriber and calling subscriber.
7. method as claimed in claim 6 is characterized in that: described step C21 further may further comprise the steps:
C211, called MS C send assignment request message to caller BSC, require to set up the land circuit between called MS C and caller BSC and the channel of eating dishes without rice or wine;
C212, called MS C send beep-page message to called BSC;
After the land circuit between C213, called MS C and caller BSC and the channel of eating dishes without rice or wine were set up, caller BSC sent assignment for called MS C and finishes message;
C214, paging are behind the called subscriber, and called BSC sends page-response message for called MS C;
8. method as claimed in claim 6 is characterized in that: described step C22 further may further comprise the steps:
C221, called MS C send assignment message to called BSC, require to set up the land circuit between called MS C and called BSC and the channel of eating dishes without rice or wine;
After the land circuit between C222, called MS C and called BSC and the channel of eating dishes without rice or wine were set up, called BSC sent assignment for called MS C and finishes message;
Behind C223, the called subscriber answer, called BSC sends connection message for called MS C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100626519A CN1921687B (en) | 2006-09-15 | 2006-09-15 | Call building method for base station controller multiple adscription network-estabilishing |
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| CN2006100626519A CN1921687B (en) | 2006-09-15 | 2006-09-15 | Call building method for base station controller multiple adscription network-estabilishing |
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| CN1921687A CN1921687A (en) | 2007-02-28 |
| CN1921687B true CN1921687B (en) | 2010-06-16 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101394587B (en) * | 2007-09-18 | 2012-05-23 | 华为技术有限公司 | Call implementing method, device and system in MSC Pool networking |
| CN101207922B (en) * | 2007-12-07 | 2010-12-01 | 中兴通讯股份有限公司 | Method for improving call completing rate by call progress sound |
| CN101754412B (en) * | 2008-12-08 | 2012-09-05 | 中兴通讯股份有限公司 | Method, equipment and system for implementing local exchange for base station group in GSM (global system for mobile communications) |
| WO2010121421A1 (en) * | 2009-04-22 | 2010-10-28 | 华为技术有限公司 | A method, system and network equipment for realizing the local ip access |
| CN101742546B (en) * | 2009-11-27 | 2013-08-07 | 中兴通讯股份有限公司 | Method and device for switching exchange modes |
| CN102355655A (en) * | 2011-07-14 | 2012-02-15 | 中国联合网络通信集团有限公司 | Service data processing method, radio network controller (RNC) and access network system |
| CN103037460B (en) * | 2011-09-30 | 2016-01-20 | 中国移动通信集团河南有限公司 | A kind of method of directional migration and directional migration equipment |
| CN105916166B (en) * | 2016-04-07 | 2017-11-10 | 广东欧珀移动通信有限公司 | Call control method and device under mobile communications network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1714590A (en) * | 2001-06-12 | 2005-12-28 | 艾利森电话股份有限公司 | Global paging of mobile stations in a wireless network using MSC pool |
| CN1819699A (en) * | 2005-10-21 | 2006-08-16 | 华为技术有限公司 | Method and system for preventing mobile terminal calling fault |
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2006
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1714590A (en) * | 2001-06-12 | 2005-12-28 | 艾利森电话股份有限公司 | Global paging of mobile stations in a wireless network using MSC pool |
| CN1819699A (en) * | 2005-10-21 | 2006-08-16 | 华为技术有限公司 | Method and system for preventing mobile terminal calling fault |
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