CN101102591A - Implementation method for optimizing call flow from mobile user to mobile user - Google Patents
Implementation method for optimizing call flow from mobile user to mobile user Download PDFInfo
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- CN101102591A CN101102591A CNA200610106202XA CN200610106202A CN101102591A CN 101102591 A CN101102591 A CN 101102591A CN A200610106202X A CNA200610106202X A CN A200610106202XA CN 200610106202 A CN200610106202 A CN 200610106202A CN 101102591 A CN101102591 A CN 101102591A
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Abstract
The method comprises: the calling MSC selects the mode of call process according to the parameters relating to the call control; the first mode runs at a standard process; the second mode uses the calling MSC to enquire current VLR to decide if the called user is registered in current VLR; if yes, the calling MSC directly completes the next call control; the third mode is that firstly the calling MSC decides if the called user belongs to city covered by current MSC/VLR, then decides if the called user is registered in the current VLR.
Description
Technical field
The present invention relates to the mobile communication technology field, specifically, relate to a kind of method that the call flow of mobile user to mobile user is optimized.
Background technology
In the normal process of the present second generation and 3G (Third Generation) Moblie, no matter whether callee and caller mobile subscriber are registered in same MSC (Mobile SwitchingCentre, mobile switching centre)/VLR (Visitor Location Register, VLR Visitor Location Register) in, caller MSC will arrive first HLR (Home Location Register, attaching position register) inquire about, behind acquisition callee's the roaming number, pathfinding is to called MS C again.
The sequential chart of normal process of the call operation of mobile user to mobile user has been shown among Fig. 1.Wherein in step S11, initiated to the calling of user B by calling subscriber A, in step S12, caller MSC is to HLR inquiry called subscriber's roaming number.In step S13-S15, HLR returns to caller MSC with it behind the roaming number that VLR distributed that obtains the called subscriber place.In step S16, caller MSC arrives called MS C according to callee's roaming number pathfinding.In step S17, finish the subsequent voice calls operation by called MS C.
On the one hand, in present mobile communications network, owing to have a large amount of Signalling exchanges between MSC and the HLR, and want the configuring redundancy signaling link for security consideration, therefore between MSC and HLR, need to open a large amount of signaling links.Simultaneously, under the call flow of standard, when unavailable, can cause the call failure of all mobile user to mobile user when HLR paralysis machine, influence surface is very big.
On the other hand, along with the development of technology, the capacity of MSC server generally can be supported 80-100 general-purpose family at present, and the 3G network of each operator all tends to adopt the network element setting principle of " concentrate to be provided with, select jumbo equipment ".According to present MSC design capacity, except the big city of indivedual traffic carrying capacitys need be provided with a plurality of MSC, most of cities all just need be provided with a MSC, and perhaps the MSC with other cities merges setting.
Simultaneously, according to the traffic direction of present mobile communication business, generally speaking, the calling of 80% mobile user to mobile user of same operator is to belong to local call, has only 20% to be to belong to trunk call.That is to say to have only under the situation of a MSC in a city, the calling of 80% mobile user to mobile user nearly is to belong to caller and called local call under same MSC administration.
Summary of the invention
The object of the present invention is to provide a kind of method of optimizing the call flow of mobile user to mobile user, it can reduce the influence surface that HLR paralysis machine causes, all belong to the call failure of the mobile user to mobile user of this HLR when avoiding HLR paralysis machine, reduce the Signalling exchange between MSC and the HLR simultaneously, thereby reduced signaling requirement and the maintenance of MSC to HLR.
Above-mentioned target of the present invention realizes by a kind of method that the call flow of mobile user to mobile user is optimized, wherein at first initiate calling to affiliated caller MSC to the callee by the caller mobile subscriber, whether caller MSC directly is registered among this VLR to this VLR inquiry callee then, if showing through inquiry that callee and caller mobile subscriber coexist registers among this VLR, then directly finish subsequent operation control by caller MSC, and need not to inquire about through HLR, if show that through inquiry the callee registers in this VLR, then finish subsequent operation control according to normal process, promptly inquire and obtain callee's roaming number to HLR by caller MSC, arrive called MS C according to this roaming number pathfinding then, finish the subsequent voice calls operation by called MS C.
In another method that the call flow of mobile user to mobile user is optimized according to the present invention, initiating to callee's calling to affiliated caller MSC by the caller mobile subscriber, caller MSC judges according to callee's number whether the callee belongs to the mobile subscriber in the city that this MSC/VLR covers, if the callee is not the mobile subscriber in the city that this MSC/VLR covered, then finish subsequent operation control according to above-mentioned normal process, the mobile subscriber in the city that if the callee is this MSC/VLR to cover, then whether be registered among this VLR to this VLR inquiry callee, if showing through inquiry that callee and caller mobile subscriber coexist registers among this VLR, then directly finish subsequent operation control by caller MSC, and need not to inquire about through HLR, if show that through inquiry the callee registers in this VLR, then finish the subsequent control operation according to above-mentioned normal process.
In a preferred embodiment of the present invention, caller MSC can be arranged on according to the parameter relevant with calling out control in standard call flow process and the two kinds of optimization call flows recited above and select: under first kind of pattern, operate control according to the standard call flow process, promptly inquire and obtain callee's roaming number to HLR by caller MSC, arrive called MS C according to this roaming number pathfinding then, finish the subsequent voice calls operation by called MS C; Under second kind of pattern, whether caller MSC directly is registered among this VLR to this VLR inquiry callee, if showing through inquiry that callee and caller mobile subscriber coexist registers among this VLR, then directly finish subsequent operation control by caller MSC, and need not to inquire about through HLR, if show that through inquiry the callee registers in this VLR, then finish subsequent operation control according to normal process; Under the third pattern, caller MSC judges according to callee's number whether the callee belongs to the mobile subscriber in the city that this MSC/VLR covers, if the callee is not the mobile subscriber in the city that this MSC/VLR covered, then finish subsequent operation control according to normal process, the mobile subscriber in the city that if the callee is this MSC/VLR to cover, then whether be registered among this VLR to this VLR inquiry callee, if showing through inquiry that callee and caller mobile subscriber coexist registers among this VLR, then directly finish subsequent operation control by caller MSC, and need not to inquire about through HLR, if show that through inquiry the callee registers in this VLR, then finish the subsequent control operation according to normal process.
In existing mobile communication standard flow process, HLR paralysis chance causes all to belong to the call failure of the mobile user to mobile user of this HLR.And after adopting optimization call flow proposed by the invention, the calling between the user of same MSC/VLR registration is impregnable when HLR paralysis machine.The traffic direction ratio that obtains according to statistics, it is local call that 80% mobile user to mobile user is called out, the ratio that not influenced by HLR paralysis machine is quite high, thereby has guaranteed most of user's call successful rate to a certain extent, has reduced the influence surface that HLR paralysis machine causes.
In addition, according to above-mentioned traffic flow ratio, if a city has only a MSC, the method according to this invention then, nearly can there be the calling of 80% mobile user to mobile user and directly to operate without the HLR inquiry by caller MSC complete connection, thereby significantly reduced the Signalling exchange between MSC and the HLR, lowered and called out time-delay, reduced signaling link cost and maintenance workload.
Description of drawings
Describe the present invention in detail below with reference to accompanying drawing and by means of embodiment.As shown in the figure:
Fig. 1 is the sequential chart of standard call flow in the existing mobile communication;
Fig. 2 is the method flow diagram according to optimization call flow of the present invention;
Fig. 3 is the sequential chart according to optimization call flow of the present invention.
Embodiment
As shown in Figure 2, in the method for the call flow of optimizing mobile user to mobile user, at first initiate calling to the callee by the caller mobile subscriber to affiliated caller MSC, caller MSC selects a kind of in three kinds of call flow patterns according to calling out the relevant parameter setting of control.As when setting up mobile communications network, select according to userbase.When a MS/VLR is only disposed in a city,, and during the local call large percentage of same MSC/VLR, can choose optimization call flow of the present invention perhaps by the shared MSC/VLR in a plurality of cities.Under first kind of pattern, operate control according to the standard call flow process, promptly by caller MSC to HLR inquiry and obtain callee's roaming number, then according to this roaming number pathfinding to called MS C, finish the subsequent voice calls operation by called MS C; Under second kind of pattern, whether caller MSC directly is registered among this VLR to this VLR inquiry callee, if showing through inquiry that callee and caller mobile subscriber coexist registers among this VLR, then directly finish subsequent operation control by caller MSC, and need not to inquire about through HLR, if show that through inquiry the callee registers in this VLR, then finish subsequent operation control according to normal process; Under the third pattern, caller MSC judges according to callee's number whether the callee belongs to the mobile subscriber that this MSC/VLR covers the city, if the callee is not the mobile subscriber that this MSC/VLR covers the city, then finish subsequent operation control according to normal process, the mobile subscriber in the city that if the callee is this MSC/VLR to cover, then whether be registered among this VLR to this VLR inquiry callee, if showing through inquiry that callee and caller mobile subscriber coexist registers among this VLR, then directly finish subsequent operation control by caller MSC, and need not to inquire about through HLR, if show that through inquiry the callee registers in this VLR, then finish the subsequent control operation according to normal process.
Illustrated among Fig. 3 according to optimization call flow of the present invention, called out another mobile subscriber's operating process sequential chart by a mobile subscriber.At first, step 1. in, initiate to the calling of user B to affiliated MSC/VLR by calling subscriber A.In step 2. among a, whether caller MSC directly is registered among this VLR to this VLR inquiry called subscriber, perhaps judge according to called number, whether the called subscriber is the mobile subscriber who belongs to the city that this MSC/VLR covers, if words, then whether be registered among this VLR to this VLR inquiry called subscriber, otherwise 2. b of execution in step, the roaming number of promptly inquiring the called subscriber to HLR by caller MSC.3. in 5., HLR returns to caller MSC with it after obtaining roaming number that the VLR at called subscriber place distributes in step.Step 6. in, caller MSC according to called subscriber's roaming number pathfinding to called MS C.Step 7. in, finish follow-up calling by called MS C.
Claims (3)
1. method that the call flow of mobile user to mobile user is optimized, wherein at first initiate calling to affiliated calling mobile exchanging center to the callee by the caller mobile subscriber, whether calling mobile exchanging center directly is registered in this VLR Visitor Location Register to this VLR Visitor Location Register inquiry callee then, if showing through inquiry that callee and caller mobile subscriber coexist registers in this VLR Visitor Location Register, then directly finish subsequent operation control by calling mobile exchanging center, and need not through the attaching position register inquiry, if show that through inquiry the callee registers in this VLR Visitor Location Register, then finish subsequent operation control according to normal process, promptly by calling mobile exchanging center to hlr inquiry and obtain callee's roaming number, arrive called mobile switching centre according to this roaming number pathfinding then, finish the subsequent voice calls operation by called mobile switching centre.
2. method that the call flow of mobile user to mobile user is optimized, wherein at first initiate calling to affiliated calling mobile exchanging center to the callee by the caller mobile subscriber, calling mobile exchanging center judges according to callee's number whether the callee belongs to the mobile subscriber in the city that this mobile switching center covers then, wherein
The mobile subscriber in the city that if the callee is this mobile switching center to cover, then whether be registered in this VLR Visitor Location Register to this VLR Visitor Location Register inquiry callee, if showing through inquiry that callee and caller mobile subscriber coexist registers in this VLR Visitor Location Register, then directly finish subsequent operation control by calling mobile exchanging center, and need not through the attaching position register inquiry, if show that through inquiry the callee registers in this VLR Visitor Location Register, then finish the subsequent control operation according to normal process, promptly by calling mobile exchanging center to hlr inquiry and obtain callee's roaming number, arrive called mobile switching centre according to this roaming number pathfinding then, finish the subsequent voice calls operation by called mobile switching centre.
If the callee is not the mobile subscriber in the city that this mobile switching center covered, then finish subsequent operation control according to above-mentioned normal process.
3. method that the call flow of mobile user to mobile user is optimized, wherein at first initiate calling to the callee by the caller mobile subscriber to affiliated calling mobile exchanging center, calling mobile exchanging center one of is selected in the pattern of following call flow according to calling out the relevant parameter setting of control then:
Under first kind of pattern, operate control according to the standard call flow process, promptly by calling mobile exchanging center to hlr inquiry and obtain callee's roaming number, arrive called mobile switching centre according to this roaming number pathfinding then, finish the subsequent voice calls operation by called mobile switching centre;
Under second kind of pattern, whether calling mobile exchanging center directly is registered in this VLR Visitor Location Register to this VLR Visitor Location Register inquiry callee, if showing through inquiry that callee and caller mobile subscriber coexist registers in this VLR Visitor Location Register, then directly finish subsequent operation control by calling mobile exchanging center, and need not through the attaching position register inquiry, if show that through inquiry the callee registers in this VLR Visitor Location Register, then finish subsequent operation control according to above-mentioned normal process; And
Under the third pattern, calling mobile exchanging center judges according to callee's number whether the callee belongs to the mobile subscriber in the city that this mobile switching center covers, wherein
The mobile subscriber in the city that if the callee is this mobile switching center to cover, then whether be registered in this VLR Visitor Location Register to this VLR Visitor Location Register inquiry callee, if showing through inquiry that callee and caller mobile subscriber coexist registers in this VLR Visitor Location Register, then directly finish subsequent operation control by calling mobile exchanging center, and need not through attaching position register inquiry inquiry, if show that through inquiry the callee registers in this VLR Visitor Location Register, then finish the subsequent control operation according to above-mentioned normal process
If the callee is not the mobile subscriber in the city that this mobile switching center covered, then finish subsequent operation control according to above-mentioned normal process.
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| CN200610106202XA CN101102591B (en) | 2006-07-04 | 2006-07-04 | Implementation method for optimizing call flow from mobile user to mobile user |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102651848A (en) * | 2011-02-25 | 2012-08-29 | 中国电信股份有限公司 | International roaming short message push method and system |
| CN106488397A (en) * | 2015-08-24 | 2017-03-08 | 成都鼎桥通信技术有限公司 | The method and apparatus of call business is realized based on positional information |
| CN107197454A (en) * | 2009-11-03 | 2017-09-22 | 交互数字专利控股公司 | The method and apparatus that local call for Home evolved Node B is route |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FI106511B (en) * | 1998-02-10 | 2001-02-15 | Nokia Networks Oy | Reduction of signaling load in a packet radio network |
| CN1219412C (en) * | 2002-02-09 | 2005-09-14 | 华为技术有限公司 | Calling method of mobile station |
| CN1232135C (en) * | 2002-11-12 | 2005-12-14 | 华为技术有限公司 | An end-to-end routing method of voice core network in wireless internet protocol |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197454A (en) * | 2009-11-03 | 2017-09-22 | 交互数字专利控股公司 | The method and apparatus that local call for Home evolved Node B is route |
| CN102651848A (en) * | 2011-02-25 | 2012-08-29 | 中国电信股份有限公司 | International roaming short message push method and system |
| CN102651848B (en) * | 2011-02-25 | 2015-04-01 | 中国电信股份有限公司 | International roaming short message push method and system |
| CN106488397A (en) * | 2015-08-24 | 2017-03-08 | 成都鼎桥通信技术有限公司 | The method and apparatus of call business is realized based on positional information |
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| CN101102591B (en) | 2011-02-02 |
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