CN101022659A - Calling retransmitting method and device for realizing calling retransmission - Google Patents
Calling retransmitting method and device for realizing calling retransmission Download PDFInfo
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- CN101022659A CN101022659A CNA2007100029315A CN200710002931A CN101022659A CN 101022659 A CN101022659 A CN 101022659A CN A2007100029315 A CNA2007100029315 A CN A2007100029315A CN 200710002931 A CN200710002931 A CN 200710002931A CN 101022659 A CN101022659 A CN 101022659A
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Abstract
A resending method of paging includes receiving position update request of object MS when object MS response paging request is waited, responding position update request of said object MS and using updated position information to resend paging request to said object MS. The device used for realizing said method is also disclosed.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to the equipment of a kind of calling retransmitting method and realization calling retransmission.
Background technology
In wireless communication system, as network side paging travelling carriage (MS, Mobile Station) time, by (the MSC of mobile switching centre, Mobile Switching Center) at VLR Visitor Location Register (VLR, Visitor Location Register) searches the Location Area Code position information such as (LAC, Location AreaCode) of target MS in.Utilize the positional information of target MS, MSC is by base station controller (BSC, Base Station Controller) distributing paging request message.If target MS is in idle condition, then respond this paging request message; If target MS state then can not respond this paging request message for busy, cause this time MSC paging failure.MSC starts the response that timer is waited for target MS when the distributing paging request message.If when being timed to, do not receive the response of target MS yet, then carry out the paging request repeat or carry out secondary paging request repeat according to expansion LAC to paging request message.
When MS arrives the reposition district, report position updating request by the base station to MSC, when waiting for the replying of network side, the state of MS is for busy.If do not receive replying of network side within a certain period of time, then failure is upgraded in this time position, and after MS need wait for that next position is upgraded trigger condition and set up, the full or band of position changed as cycle register, initiates position updating request next time again.
Situation shown in Figure 1 may take place in the radio communication, MSC distributing paging request message S110 is to base station sub-system (BSS, Base Station Subsystem), when the paging request message S130 that BSS sends to MS arrived target MS, target MS had reported location update request message S120 also just in wait acknowledge to BSS before just.In the prior art, this moment, the state of target MS was busy, not the paging request message S130 that can respond; Same MSC is in the state of wait acknowledge behind distributing paging request message S110, can not respond the location update request message S140 that BSS reports.Like this, clash, cause this time paging request failure and the failure of this time position updating request because paging request and position are upgraded.And MSC also is to use the LAC that does not upgrade as yet among the VLR when carrying out calling retransmission, can cause the secondary paging failure, has increased the time of waiting for the called MS response; If MSC adopts the pressure of other base station calling channels of expansion LAC paging then can increasing.Upgrade frequently if there is a large amount of users to be in border, lane place and position, then can be updated to power and cause considerable influence the paging success rate of wireless communication system and position.
Summary of the invention
The embodiment of the invention provides a kind of method of calling retransmission, avoid the secondary paging failure when taking place the paging request with location update confliction, thus taking and reduce the time that MSC waits for that called MS responds other base station calling channels when avoiding adopting expansion LAC paging.
Another embodiment of the present invention provides a kind of equipment of realizing calling retransmission, avoid the secondary paging failure when taking place the paging request with location update confliction, thus taking and reduce the time that MSC waits for that called MS responds other base station calling channels when avoiding adopting expansion LAC paging.
In the embodiment of the invention, the method for calling retransmission may further comprise the steps:
When waiting for target MS MS response paging request, the position updating request of receiving target MS;
The position updating request of response target MS;
Retransmit the paging request with the positional information after upgrading to target MS.
In the embodiment of the invention, a kind of equipment of calling retransmission of realizing comprises paging unit and position updating block, wherein:
The position updating block is used for responding the position updating request of target MS, is included in when waiting for target MS response paging request, responds the position updating request that described target MS sends;
Paging unit is used for target MS is carried out paging, is included in after the position updating block responds the position updating request of described target MS, retransmits the paging request with the positional information after upgrading to described target MS.
In embodiments of the present invention, MSC position updating request to target MS when waiting for page response is responded, and adopt the position after upgrading to carry out the paging request repeat, the paging request repeat of MSC can not failed because of MS is in the new band of position like this, has reduced MSC and has waited for the time that called MS responds; Because MSC generally needn't adopt expansion LAC paging, has reduced the influence to other base station calling channel loads; Paging success rate and the position that can improve simultaneously the border, lane place are updated to power.
Description of drawings
Fig. 1 is the mutual schematic diagram of signal that paging request and location update confliction take place in the prior art;
Fig. 2 is the flow chart of calling retransmitting method embodiment one of the present invention;
Fig. 3 is the mutual schematic diagram of signal of calling retransmitting method embodiment one of the present invention;
Fig. 4 is the flow chart of calling retransmitting method embodiment two of the present invention;
Fig. 5 realizes the structural representation of the apparatus embodiments of calling retransmission for the present invention.
Embodiment
In the prior art, when MS when MSC reports position updating request, MS in fact has been in the new band of position.Be in the position updating request that the MSC that waits for this MS page response state does not respond this MS, make that the Location Area Code of this MS can not reflect the physical location of current MS among the MSC/VLR, thereby caused the failure of secondary paging.In the embodiments of the invention, the MSC of wait target MS page response is responded the position updating request of target MS, carry out calling retransmission by new positional information again, avoided upgrading the calling retransmission failure of failure and MSC because of the position that conflicting of paging request and position renewal causes target MS.
Embodiments of the invention are applicable to CDMA (Code Division Multiple Access, the code division multiple access access), GSM (Global System for Mobile communications, global system for mobile communications), WCDMA wireless communication systems such as (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)).
The flow process of calling retransmitting method embodiment one as shown in Figure 2 among the present invention.At step S210, MSC searches the positional information of target MS in VLR, according to this positional information to the request of target MS distributing paging.
Step S220:MSC starts the page response timer, waits for the page response of target MS.If to the page response that before receives target MS, then this page response is successful at the page response timer for MSC; Otherwise this page response failure.
The realization of present embodiment can be same as the prior art among step S210 and the S220.
Step S230: in the process of waiting for target MS page response, the position updating request of MSC receiving target MS.
Step S240:MSC replacement page response timer.Like this, MSC finishes the page response wait state to target MS.
The position updating request of step S250:MSC response target MS.
In some wireless communication systems, as CDMA,, the location information field of target MS in the database of VLR is changed to Access (taking) state as MSC during to the request of target MS distributing paging, prevent the VLR positional information of other apply changes targets MS.In the embodiments of the invention, MSC can revise the VLR positional information of the target MS that is in the Access state when the position updating request of response target MS, upgrade with the position of timely reflection target MS.Because the VLR positional information of this moment is only useful when the request of MSC distributing paging, other modules VLR positional information for other network elements or MSC still is in the Access state, thereby the data of modification Access state can not influence the handling process of other network elements and module.
When response target MS position updating request, MSC after the target MS corresponding position information, issues the position updating request response to target MS in revising VLR.Target MS receives position updating request response back and finishes its wait state.
Step S260:MSC retransmits the paging request with the positional information after upgrading to target MS.
MSC has finished the wait state to page response among the step S240, and issue the position updating request response to target MS after, MSC can adopt new positional information to retransmit the paging request to target MS immediately.Because target MS can respond when receiving repeating transmission paging request receiving position updating request response back end wait state.
In the position updating request that target MS reports, carry its new LAC and CI (Cell ID, cell id) information.In the repeating transmission page response that MSC issues, also can carry new LAC of target MS and CI, the new band of position of sign target MS.
After using the embodiment of the invention one, when paging request and location update confliction took place, the signal between MSC and the target MS alternately can be as shown in Figure 3.MSC/VLR arrives BSS to the paging request message S310 that target MS issues, and BSS sends to target MS with paging request message S330, but target MS has reported location update request message S320 to BSS before this.When the paging request message S330 of BSS transmission arrived target MS, target MS had been in the state of holding fix update request response and will not have responded paging request message S330.When BSS was reported to MSC with the location update request message S340 of target MS, MSC was in the wait state to page response.Behind the location update request message S340 that receives target MS, MSC replacement page response timer finishes wait state, and the position updating request that makes an immediate response issues position updating request response message S350 to BSS; After this retransmit paging request message with new positional information to target MS immediately, the paging request message S370 that carries the new positional information of target MS is sent to BSS.The target MS that receives the position updating request response message S360 of BSS transmission finishes wait state, can the paging request message S380 that carries new positional information that BSS sends subsequently be responded.
The flow process of calling retransmitting method embodiment two as shown in Figure 4 among the present invention.For simplicity, in the present embodiment with embodiment one in something in common no longer repeat, see also the detailed description among the embodiment one.
Step S410:MSC according to the positional information of target MS among the VLR to the request of target MS distributing paging.
Step S420:MSC starts the page response timer, waits for the page response of target MS.Equally, the realization of present embodiment is same as the prior art among step S410 and the S420.
Step S430: in the process of waiting for target MS page response, the position updating request of MSC receiving target MS.
Step S440:MSC responds the position updating request of target MS.The realization of this step can be identical with step S250 among the embodiment one.
The page response timer that starts in step S420 of step S450:MSC is timed to.
Step S460:MSC is timed to the back at the page response timer and retransmits the paging request with the positional information after upgrading to target MS.
Need to prove, there is no sequential relationship between step S440 and the S450, the page response timer is timed to and may occurs among the MSC response target MS position updating request or afterwards.Step S460 carries out after step S440 and S450, this moment the page response timer regularly to and MSC issued the position updating request response to target MS.
Embodiment two is with the difference of embodiment one: needn't change MSC in the prior art carries out calling retransmission again after the page response timer is timed to flow process among the embodiment two, be responded and adopt new positional information to get final product in calling retransmission but before calling retransmission the position of target MS upgraded.The page response timer of resetting immediately after the position updating request that receives target MS among the embodiment one has reduced stand-by period of calling retransmission, has further shortened the required time of MSC paging target MS.
The equipment of realizing calling retransmitting method embodiment one of the present invention or embodiment two can have structure shown in Figure 5, and this communication equipment can be used as MSC/VLR in wireless communication system.See also Fig. 5, paging unit 520 is carried out information interaction with position updating block 510, memory cell 530 and page response timer 540 respectively, and position updating block 510 carries out information interaction with memory cell 530.
The current VLR information of in store MS in the memory cell 530.Paging unit 520 is responsible for target MS is carried out paging, comprises the distributing paging request, receives the paging request responding, retransmits paging request etc.
To the request of target MS distributing paging the time, paging unit 520 is searched the VLR information of target MS from memory cell 530, according to the VLR information distributing paging request that finds.The VLR information that paging unit 520 can be put target MS in the memory cell 530 is the Access state.When the distributing paging request, paging unit 520 starts page response timer 540, begins to wait for the page response of target MS.540 pairs of page response stand-by period of page response timer are carried out timing, notice paging unit 520 when being timed to.
To using the communication equipment of calling retransmission mode embodiment one of the present invention, when in the process of waiting for target MS page response, receiving the position updating request of target MS, paging unit 510 replacement page response timers, the position updating request of 510 couples of target MS of position updating block responds.Can revise the VLR information that memory cell 530 is in the target MS of Access state during the position updating request of position updating block 510 response MS.Revise the VLR information of target MS in the memory cell 530 and issue after the position upgrades response to target MS at position updating block 510, paging unit 520 is retransmitted page response according to the positional information after upgrading to target MS.
To using the communication equipment of calling retransmission mode embodiment two of the present invention, when receiving the position updating request of target MS in the process of waiting for target MS page response, the position updating request of 510 couples of target MS of position updating block responds.When position updating block 510 responds the position updating request of MS, revise the VLR information of target MS in the memory cell 530, and issue position renewal response to target MS.Position updating block 510 can be revised the VLR information that memory cell 530 is in the target MS of Access state.After the page response timer was timed to, paging unit 520 was retransmitted page response according to the positional information after upgrading to target MS.
To sum up, the embodiment of the invention can solve when paging request and location update confliction that the MSC paging success rate is low, the position is updated to the low problem of power, especially the paging success rate on border, lane place and position is updated to power and is significantly increased; MSC waits for target MS page response overlong time problem in the time of can solving calling retransmission, has shortened the paging time; Can farthest reduce calling retransmission and enable the problem that base station calling channel load that expansion LAC paging brings is multiplied.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection range of the present invention.
Claims (10)
1. the method for a calling retransmission is characterized in that, may further comprise the steps:
When waiting for target MS MS response paging request, receive the position updating request of described target MS;
Respond the position updating request of described target MS;
Retransmit the paging request with the positional information after upgrading to described target MS.
2. the method for calling retransmission according to claim 1 is characterized in that described method also comprises:
Before waiting for target MS response paging request, to the request of described target MS distributing paging;
During to described target MS, the positional information of putting target MS described in the VLR Visitor Location Register VLR is for taking the Access state in the distributing paging request;
The position updating request of described response target MS is specially:
According to the positional information that is in the described target MS of Access state among the position updating request change VLR;
Issue the position updating request response to described target MS.
3. as the method for calling retransmission as described in the claim 2, it is characterized in that described method also comprises: during to described target MS, start the page response timer in the distributing paging request;
Described method also comprises: when receiving the position updating request of described target MS, and replacement page response timer.
4. as the method for calling retransmission as described in the claim 2, it is characterized in that: described method also comprises: during to described target MS, start the page response timer in the distributing paging request;
Described to target MS retransmit the paging request the page response timer to after carry out.
5. the method for calling retransmission according to claim 1, it is characterized in that: described positional information comprises Location Area Code LAC and the cell id CI of described target MS.
6. an equipment of realizing calling retransmission is characterized in that, comprises paging unit and position updating block, wherein:
The position updating block is used for responding the position updating request of target MS, is included in when waiting for target MS response paging request, responds the position updating request that described target MS sends;
Paging unit is used for target MS is carried out paging, is included in after the position updating block responds the position updating request of described target MS, retransmits the paging request with the positional information after upgrading to described target MS.
7. as the equipment of realization calling retransmission as described in the claim 6, it is characterized in that: described equipment also comprises memory cell, is used for the VLR information of store M S;
The VLR information of described target MS is changed to the Access state by paging unit when the distributing paging request, and is changed under the Access state according to the position updating request of described target MS by the position updating block.
8. as the equipment of realization calling retransmission as described in claim 6 or 7, it is characterized in that: described equipment also comprises the page response timer, is started when the distributing paging request by paging unit, and the timing of page response timer then notifies paging unit to carry out calling retransmission.
9. as the equipment of realization calling retransmission as described in claim 6 or 7, it is characterized in that: described equipment also comprises the page response timer, start when the distributing paging request by paging unit, reset during in timing to the position updating request that before receives target MS by paging unit.
10, as the equipment of realization calling retransmission as described in claim 6 or 7, it is characterized in that: described equipment is mobile switching centre and/or VLR Visitor Location Register.
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| CNB2007100029315A CN100479539C (en) | 2007-01-26 | 2007-01-26 | Calling retransmitting method and device for realizing calling retransmission |
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| CNB2007100029315A CN100479539C (en) | 2007-01-26 | 2007-01-26 | Calling retransmitting method and device for realizing calling retransmission |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101141819B (en) * | 2007-10-18 | 2010-06-02 | 中兴通讯股份有限公司 | Method and device for improving inter-system paging success rate |
| WO2010091594A1 (en) * | 2009-02-16 | 2010-08-19 | 大唐移动通信设备有限公司 | Method for processing conflict of communication service procedures and associated devices |
| CN101938807A (en) * | 2009-07-01 | 2011-01-05 | 中兴通讯股份有限公司 | Method and device for preventing ineffective paging |
| WO2011054316A1 (en) * | 2009-11-06 | 2011-05-12 | Huawei Technologies Co., Ltd. | Method and system for location update in mobile network |
| CN101150867B (en) * | 2007-10-29 | 2011-07-13 | 中兴通讯股份有限公司 | Processing method, MSC and VLR for call and location update confliction |
| CN102547601A (en) * | 2010-12-21 | 2012-07-04 | 鼎桥通信技术有限公司 | Cluster service location updating method based on wireless broadband technology, and cluster system |
| CN101668281B (en) * | 2008-09-04 | 2013-06-26 | 中国移动通信集团江西有限公司 | Method for updating position and processing paging conflict, VLR, HLR, GMSC and system |
| WO2013170795A1 (en) * | 2012-10-12 | 2013-11-21 | 中兴通讯股份有限公司 | Method and system for adaptive adjustment of paging transmission times |
| CN103517442A (en) * | 2012-06-27 | 2014-01-15 | 中兴通讯股份有限公司 | Method of increasing air interface paging processing ability and base station thereof |
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2007
- 2007-01-26 CN CNB2007100029315A patent/CN100479539C/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101141819B (en) * | 2007-10-18 | 2010-06-02 | 中兴通讯股份有限公司 | Method and device for improving inter-system paging success rate |
| CN101150867B (en) * | 2007-10-29 | 2011-07-13 | 中兴通讯股份有限公司 | Processing method, MSC and VLR for call and location update confliction |
| CN101668281B (en) * | 2008-09-04 | 2013-06-26 | 中国移动通信集团江西有限公司 | Method for updating position and processing paging conflict, VLR, HLR, GMSC and system |
| US8849319B2 (en) | 2009-02-16 | 2014-09-30 | China Academy Of Telecommunications Technology | Method for processing conflict of communication service procedures and associated devices |
| WO2010091594A1 (en) * | 2009-02-16 | 2010-08-19 | 大唐移动通信设备有限公司 | Method for processing conflict of communication service procedures and associated devices |
| KR101254324B1 (en) | 2009-02-16 | 2013-04-12 | 차이나 아카데미 오브 텔레커뮤니케이션즈 테크놀로지 | Method for processing conflict of communication service procedures and associated devices |
| CN101938807A (en) * | 2009-07-01 | 2011-01-05 | 中兴通讯股份有限公司 | Method and device for preventing ineffective paging |
| CN101938807B (en) * | 2009-07-01 | 2014-12-10 | 中兴通讯股份有限公司 | Method and device for preventing ineffective paging |
| WO2011054316A1 (en) * | 2009-11-06 | 2011-05-12 | Huawei Technologies Co., Ltd. | Method and system for location update in mobile network |
| CN102547601A (en) * | 2010-12-21 | 2012-07-04 | 鼎桥通信技术有限公司 | Cluster service location updating method based on wireless broadband technology, and cluster system |
| CN102547601B (en) * | 2010-12-21 | 2015-03-25 | 鼎桥通信技术有限公司 | Cluster service location updating method based on wireless broadband technology, and cluster system |
| CN103517442A (en) * | 2012-06-27 | 2014-01-15 | 中兴通讯股份有限公司 | Method of increasing air interface paging processing ability and base station thereof |
| WO2013170795A1 (en) * | 2012-10-12 | 2013-11-21 | 中兴通讯股份有限公司 | Method and system for adaptive adjustment of paging transmission times |
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