CN1848970A - Universal block radio business network circuit calling method - Google Patents
Universal block radio business network circuit calling method Download PDFInfo
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- CN1848970A CN1848970A CNA2005100680241A CN200510068024A CN1848970A CN 1848970 A CN1848970 A CN 1848970A CN A2005100680241 A CNA2005100680241 A CN A2005100680241A CN 200510068024 A CN200510068024 A CN 200510068024A CN 1848970 A CN1848970 A CN 1848970A
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Abstract
A circuit paging method of universal packet radio service network includes detecting whether path state of Gs interface to BSC via MSC is normal or not, sending circuit paging to united CS / PS attaching user by MSC through Gs interface if it is or otherwise sending circuit paging to united CS / PS attaching user by MSC through A interface.
Description
Technical field
The present invention relates to the paging of GPRS network, relate in particular to a kind of universal block radio business network circuit calling method.
Background technology
GPRS (General Packet Radio Service, GPRS) network is by at existing GSM (Global System for Mobile Communications, global system for mobile communications) increases SGSN (Serving GPRS Support Node on the network, Serving GPRS Support Node), GGSN (Gateway GPRS Support Node, Gateway GPRS Support Node), PCU new functional entitys such as (Packet ControlUnit, packet control units) is realized.
SGSN and MSC (Mobile Service Switch Center, mobile services switching centre) interface between is a Gs interface, the purpose of setting up Gs interface is in order to realize CS (Circuit Service, Circuit Service) and PS (Packet Service, Packet Service) Radio Resource is shared between, and then has saved Radio Resource.The function of Gs interface comprises that associating CS/PS adheres to, unites CS/PS and separates, unites LAU/RAU (Locationarea update/Routing area update, location area updating/Routing Area Update) and the circuit calling by SGSN etc., wherein, first three function all is to realize the function of each two flow process of one of original CS, PS in a flow process, has improved wireless resource utility efficiency greatly.
Figure 1 shows that MSC carries out the schematic diagram of circuit calling by Gs interface.Under the situation that the Gs interface function is opened, the circuit calling by SGSN occurs in after associating CS/PS adheres to.When MSC initiates a circuit calling, the paging request is issued SGSN by Gs interface, SGSN is handed down to BSS (Base StationSubsystem again, base station sub-system), and then arrival MS (Mobile Station, travelling carriage), after MS receives this paging request, page response is connected the data of setting up request message SABM as link layer in the air interface send to BSS, after BSS receives this page response, this page response is connected the data of setting up request message SCCP CR as link layer send to MSC by the A interface.The mobile status decision paging range that SGSN is current according to MS, if the current READY state that is in of MS, MSC just only carries out in the cell range at MS place by the circuit calling of Gs interface.If the current STANDBY state that is in of MS, the circuit calling of MSC by Gs interface just carries out in by district's scope in route district, MS place and possible dead circuit.If the Gs interface function is not opened, the circuit calling of MSC is issued BSS by the A interface, and BSS issues MS by air interface with this paging request.This circuit calling is to carry out in the scope of the lane place at MS place under many circumstances, and lane place generally comprises several routes district and possible dead circuit by the district, a route district comprises a plurality of sub-districts again, so on the whole, the paging range that issues circuit calling by the A interface is bigger than the paging range that issues circuit calling by Gs interface, and issuing circuit calling by SGSN can save radio resources.
As shown in Figure 2, can save Radio Resource by the Gs interface functions such as circuit calling of SGSN though use,, the circuit calling of being initiated by MSC only need just can be directly to by the A interface and reaches BSC when not using Gs interface.And when using Gs interface, MSC unites the paging of adhering to the user to CS/PS and will pass through Gs interface, SGSN, Gb Interface, PCU, PCU and BSC interface in proper order and could arrive BSC, if problems such as disconnected, congested, paralysis have appearred dodging in any one link in the middle of it, all may cause the failure of the circuit calling that issues by Gs interface.This paging failure embodies MSC, is exactly that the Gs interface paging protection timer that starts when sending beep-page message of MSC is never received page response before overtime.There is not the circuit calling failure back MSC that describes by Gs interface how to handle in present 3GPP TS 29.018 agreements, if MSC is by the convention of overtime repeating transmission, also continue to issue circuit calling by Gs interface, MS just will can't pagedly arrive always, also just can't be as called.
At present the CS business is important more than the PS business, so the failure of circuit calling is insupportable, has influenced the CS business for saving some Radio Resources, also loses more than gain.In addition, generally also just stable because PS equipment such as SGSN, PCU are later than CS equipment vendor usefulness not as CS equipment, utilize unsettled relatively PS equipment to realize that important CS business also is inappropriate.
Summary of the invention
The invention provides a kind of universal block radio business network circuit calling method, in order to solve the problem that the use Gs interface that exists in the prior art carries out the less stable of circuit calling.
The present invention is by the following technical solutions:
A kind of universal block radio business network circuit calling method is used for the user that associating CS/PS adheres to is carried out circuit calling; Comprise step:
Whether A, MSC be normal through the state in the path of Gs interface arrival base station controller BSC, if normal, execution in step B, otherwise, execution in step C;
User's transtation mission circuit paging that B, MSC adhere to associating CS/PS by Gs interface;
User's transtation mission circuit paging that C, MSC adhere to associating CS/PS by the A interface.
Also comprise step behind the described step B:
If MSC receives the response of the circuit calling that sends by Gs interface in limiting time, then paging flow process finishes; Otherwise MSC retransmits circuit calling by the A interface to the user that associating CS/PS adheres to.
When passing through the paging of Gs interface transtation mission circuit, MSC starts Gs interface paging protection timer, in order to judge the response that in limiting time, can receive the circuit calling that sends by Gs interface.
In the described steps A, MSC normally needs to satisfy at least with the next item down condition through the path status that Gs interface arrives BSC:
A, SGSN destination signaling point can reach;
B, MSC to the link average load of SGSN less than congestion threshold;
The circuit calling success rate of c, Gs interface is more than or equal to the paging success rate thresholding.
Described circuit calling success rate is the circuit calling number of success in one period set time forward current time and the ratio of circuit calling total degree.
Described paging success rate thresholding is more than or equal to 60%.
Described congestion threshold is 0.4 Ireland.
Described MSC circuit calling success rate to Gs interface when limiting time arrives is upgraded.
Adopt technical scheme of the present invention, have following beneficial effect:
The invention describes MSC the user that adheres to of associating CS/PS is carried out the method for circuit calling, if MSC the circuit calling failure that fault or MSC issue by this path occurred by Gs interface to the path of BSC, then MSC passes through the A interface to the BSC distributing paging.The invention solves and use Gs interface to carry out the problem of the less stable of circuit calling, make usually can be relieved use Gs interface function, save Radio Resource, just in case MSC can not influence the carrying out of Circuit Service again when the path of BSC goes wrong by Gs interface.
Description of drawings
Fig. 1 is the flow chart by the paging of Gs interface transtation mission circuit;
System configuration schematic diagram when Fig. 2 carries out circuit calling for MSC;
Fig. 3 carries out the flow chart of circuit calling for the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
The method of the invention has been described the method that user that MSC adheres to associating CS/PS carries out circuit calling, if MSC the circuit calling failure that fault or MSC issue by this path occurred by Gs interface to the path of BSC, then MSC passes through the A interface to the BSC distributing paging.
The present invention is provided with the variate-value that is used to add up by the circuit calling success rate of Gs interface in advance on MSC, what this variate-value was added up is the circuit calling success rate of passing through Gs interface in the statistics duration, described statistics duration is from one period set time forward current time, i.e. the circuit calling success rate of latest update representative in one period set time forward update time the circuit calling number of success and the ratio of circuit calling total degree.Before the total duration that carries out circuit calling success rate statistics reaches above-mentioned statistics duration, circuit calling success rate value is set to 100%, after the total duration that carries out circuit calling success rate statistics reaches above-mentioned statistics duration, with real-time update or upgrade primary circuit paging success rate value at set intervals.
As shown in Figure 3, it is as follows the user that adheres to of associating CS/PS to be carried out the detailed process of circuit calling:
S1, detect whether arrive the state in path of BSC (Base Station Controller, base station controller) through Gs interface from MSC normal;
When MSC need be to user's (abbreviating MS in the following steps as) of adhering to of associating CS/PS when carrying out circuit calling, whether MSC detects the MSC-SGSN-PCU-BSC path satisfies at least with the next item down condition:
A, SGSN destination signaling point can reach;
B, MSC to the link average load of SGSN less than the congestion threshold value;
The circuit calling success rate of c, Gs interface is more than or equal to the paging success rate thresholding;
Congestion threshold value among the condition b generally is set to 0.4 Ireland, and the paging success rate thresholding among the condition c should be more than or equal to 60%, as 70%, 75% etc.;
If three conditions of MSC-SGSN-PCU-BSC path all do not satisfy, then execution in step S2; If MSC-SGSN-PCU-BSC satisfies an above-mentioned condition, then execution in step S3 at least.
S2, MSC pass through the A interface to the paging of MS transtation mission circuit;
BSC issues circuit calling by air interface after receiving the circuit calling that MSC issues, and after MS receives this circuit calling, page response is sent to MSC by BTS, BSC, the normal termination of paging flow process.
S3, MSC to the paging of MS transtation mission circuit, start Gs interface paging protection timer by Gs interface simultaneously.
Can S4, MSC judge the page response that receive MS in the limiting time of paging protection timer; If MSC has received page response in the limiting time of paging protection timer, execution in step S5 then, otherwise, execution in step S6.
S5, MSC refresh circuit paging success rate value, the normal termination of paging flow process.
S6, MSC upgrade the paging success rate value, retransmit circuit calling by the A interface to MS then, after MS receives this circuit calling, page response are sent to MSC by BTS, BSC, the normal termination of paging flow process.
In the foregoing description, three conditions among the step S1 are to be used to judge whether MSC is normal through the path status that Gs interface arrives BSC, in actual implementation process, for the stability and the reliability of the circuit calling that guarantees to be undertaken, usually above-mentioned three conditions are defined as and satisfy wherein two or satisfy simultaneously at least by Gs interface.
Below only the present invention will be described with preferred embodiment, and those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (8)
1, a kind of universal block radio business network circuit calling method is used for the user that associating data service (CS)/Packet Service (PS) adheres to is carried out circuit calling; It is characterized in that, comprise step:
A, detect whether arrive the state in path of base station controller (BSC) through Gs interface from mobile services switching centre (MSC) normal, if normal, execution in step B, otherwise, execution in step C;
User's transtation mission circuit paging that B, mobile services switching centre (MSC) adhere to associating data service (CS)/Packet Service (PS) by Gs interface;
User's transtation mission circuit paging that C, mobile services switching centre (MSC) adhere to associating data service (CS)/Packet Service (PS) by the A interface.
2, universal block radio business network circuit calling method according to claim 1 is characterized in that, also comprises step behind the described step B:
If mobile services switching centre (MSC) is received the response of the circuit calling that sends by Gs interface in limiting time, then paging flow process finishes; Otherwise mobile services switching centre (MSC) is retransmitted circuit calling by the A interface to the user that associating data service (CS)/Packet Service (PS) adheres to.
3, universal block radio business network circuit calling method according to claim 2; it is characterized in that; when passing through the paging of Gs interface transtation mission circuit, mobile services switching centre (MSC) starts Gs interface paging protection timer, in order to judge the response that in limiting time, can receive the circuit calling that sends by Gs interface.
4, universal block radio business network circuit calling method according to claim 2, it is characterized in that, in the described steps A, mobile services switching centre (MSC) normally needs to satisfy at least with the next item down condition through the path status that Gs interface arrives base station controller (BSC):
A, Serving GPRS Support Node (SGSN) destination signaling point can reach;
B, mobile services switching centre (MSC) arrive the link average load of Serving GPRS Support Node (SGSN) less than congestion threshold;
The circuit calling success rate of c, Gs interface is more than or equal to the paging success rate thresholding.
5, universal block radio business network circuit calling method according to claim 4 is characterized in that, described circuit calling success rate is the circuit calling number of success in one period set time forward current time and the ratio of circuit calling total degree.
6, universal block radio business network circuit calling method according to claim 4 is characterized in that, described paging success rate thresholding is more than or equal to 60%.
7, universal block radio business network circuit calling method according to claim 4 is characterized in that, described congestion threshold is 0.4 Ireland.
8, universal block radio business network circuit calling method according to claim 4 is characterized in that, described mobile services switching centre (MSC) circuit calling success rate to Gs interface when limiting time arrives is upgraded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100680241A CN1848970A (en) | 2005-04-30 | 2005-04-30 | Universal block radio business network circuit calling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100680241A CN1848970A (en) | 2005-04-30 | 2005-04-30 | Universal block radio business network circuit calling method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101296202B (en) * | 2007-04-29 | 2011-12-21 | 华为技术有限公司 | wireless communication system, base station, core network control surface node device and method |
| CN102573068A (en) * | 2010-12-23 | 2012-07-11 | 中国移动通信集团江苏有限公司 | Method and system for dynamically improving paging capability |
| CN101296518B (en) * | 2008-06-16 | 2013-01-16 | 中兴通讯股份有限公司 | Circuit field service paging implementing method and apparatus |
| CN104602306A (en) * | 2009-06-16 | 2015-05-06 | 黑莓有限公司 | Method for accessing a service unavailable through a network cell |
| CN105188137B (en) * | 2014-05-23 | 2019-04-19 | 中国移动通信集团内蒙古有限公司 | A kind of packet-switched domain paging method and device |
-
2005
- 2005-04-30 CN CNA2005100680241A patent/CN1848970A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101296202B (en) * | 2007-04-29 | 2011-12-21 | 华为技术有限公司 | wireless communication system, base station, core network control surface node device and method |
| CN101296518B (en) * | 2008-06-16 | 2013-01-16 | 中兴通讯股份有限公司 | Circuit field service paging implementing method and apparatus |
| CN104602306A (en) * | 2009-06-16 | 2015-05-06 | 黑莓有限公司 | Method for accessing a service unavailable through a network cell |
| CN102573068A (en) * | 2010-12-23 | 2012-07-11 | 中国移动通信集团江苏有限公司 | Method and system for dynamically improving paging capability |
| CN105188137B (en) * | 2014-05-23 | 2019-04-19 | 中国移动通信集团内蒙古有限公司 | A kind of packet-switched domain paging method and device |
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Open date: 20061018 |