CN101552980B - Processing method, mobile management device and network system when network side separates UE - Google Patents
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Abstract
The invention discloses a processing method of separating user equipment by network side, which is applied to core networks of saving signaling ISR mechanism under the condition of starting an idle mode, wherein the user equipment UE simultaneously registers the first core network and the second core network. The processing method comprises the following steps: when the UE is separated from the first core network, the second core network obtains the message of indicating ISR cancel and transmits the message to the UE to indicate the UE to ISR deactivation. The technical scheme can ensure that the UE receives the message of informing the ISR deactivation when the network side separates the UE.
Description
Technical field
The present invention relates to communication technical field, processing method, mobile management device and network system during particularly a kind of network side separates UE.
Background technology
Consult Fig. 1, the core net of wireless evolution network mainly comprises Mobility Management Entity (MobileManagement Entity, MME), gateway (Serving Gateway, S-GW), data gateway (PDN Gateway, PDN GW) three logic function bodies, for saving signaling under the follow-up expression idle pulley or limitation signaling (Idle mode signalling reduction, ISR) function, in Fig. 1, also show Serving GPRS Support Node (Serving GPRS Support Node, SGSN).Wherein, MME is a mobile management entity, be responsible for functions such as Non-Access Stratum NAS signaling encryption and roaming, tracking, distributing user temporary identity sign, safety function etc., it is corresponding to current universal mobile telecommunications system (Universal Mobile Telecommunication System, UMTS) inner Serving GPRS Support Node (Serving GPRS Support Node, control plane part SGSN).S-GW is responsible for the local mobility anchor point and the mobility anchor point and the Lawful Interception relevant information of 3GPP internal system; PDN-GW then is responsible for strategy execution and charging and Lawful Interception correlation function.
A demand of evolvement network is saving signaling or limitation signaling (the Idlemode signalling reduction that realizes under the idle pulley, ISR) function, it mainly is the mobile management flow process of subscriber equipment (UE) between different access networks that reduces under the idle pulley.
Under ISR mechanism, UE registers in SGSN and MME respectively, obtains the RAI of SGSN distribution and the TA List that MME distributes, and the ISR that is called UE is activated.After ISR activates, when UE switches between 2G/3G and LTE network, as long as RA or TA do not exceed the positional information of UE record, then do not need to initiate more new technological process of position to SGSN or MME, this ISR mechanism avoids UE to produce a large amount of handover informations when mobile between different access networks.
After ISR activated, during network side (being assumed to the LTE network) display separation UE, the MME in the LTE network can send ISR deexcitation indication to UE.
In research and practice process to prior art, the inventor finds that there is following problem in prior art:
In the prior art, when LTE network detach UE, if UE not in the LTE network, but resides in the 2G/3G network, UE can't be known ISR deexcitation indication.It is follow-up when UE turns back in the described separated network LTE network from current resident 2G/3G network, because the ISR of UE record also is in state of activation, therefore UE can not initiate position updating request, so the LTE network is not known in the current network that resides in oneself of UE yet, this moment is when downlink data arrives, network side is paging UE in the 2G/3G network only, so paging failure, thereby causes service disconnection.
Summary of the invention
Processing method, mobile management device and network system when the technical problem that the embodiment of the invention will solve provides a kind of network side separates UE can guarantee that UE receives the message of notice ISR deexcitation when the network side separates UE.
In view of this, the embodiment of the invention provides:
A kind of processing method of network side separate users equipment, be applied to enable in the core network of saving signaling ISR mechanism under the idle pulley, wherein user equipment (UE) is registered to first core network and second core network simultaneously, comprise step: when described UE when first core network separates, second core network obtains the information of indication ISR cancellation, and, indicate described UE to carry out the ISR deexcitation to described UE transmission message.
A kind of mobile management device is arranged in second core network, and described second core network is to set up the related network of ISR with first core network of separates UE, comprising:
Information acquisition unit is used to obtain the information of indication ISR cancellation;
Transmitting element is used for sending message to described UE after the information that gets access to indication ISR cancellation, indicates described UE to carry out the ISR deexcitation.
A kind of network system comprises: be registered to user equipment (UE), second core network of first core network and second core network simultaneously, wherein,
Described second core network, be used for when described UE when first core network separates, after the information that gets access to indication ISR cancellation, send message to described UE, indicate described UE to carry out the ISR deexcitation;
Described UE is used for the deexcitation with ISR.
A technical scheme in the technique scheme has following beneficial effect:
UE is registered in first core network and second core network with ISR association in the embodiment of the invention, at UE when first core network separates, second core network is after the information that gets access to indication ISR cancellation, notice UE ISR deexcitation, when making UE be in second core network, also can receive the message of notice ISR deexcitation, with the ISR deexcitation, so that when follow-up UE moves in first core network, can initiate position updating request again.
Description of drawings
The radio gradual network structure figure that Fig. 1 provides for prior art;
Processing method signaling diagram during network side separates UE that Fig. 2 provides for the invention process one;
Processing method signaling diagram during network side separates UE that Fig. 3 provides for the invention process two;
Processing method signaling diagram during network side separates UE that Fig. 4 provides for the invention process three;
The mobile management device structure chart that Fig. 5 provides for the invention process four.
Embodiment
The embodiment of the invention provides a kind of processing method of network side separate users equipment, be applied to enable in the core network of saving signaling ISR mechanism under the idle pulley, wherein user equipment (UE) is registered to first core network and second core network simultaneously, comprise step: when described UE when first core network separates, second core network obtains the information of indication ISR cancellation, and, indicate described UE to carry out the ISR deexcitation to described UE transmission message.Wherein, first core network can be the network at MME place, and second core network is the network at SGSN place; Perhaps first core network is the network at SGSN place, and second core network can be the network at MME place.Use technology side provided by the invention scheme, can when the network side separates UE, guarantee that UE receives the message of notice ISR deexcitation.
Consult Fig. 2, the processing method the when embodiment of the invention one provides a kind of network side separates UE, this method specifically comprises:
Load bearing process between step 201, MME deletion and the S-GW.
Step 202, MME confirm that UE is an Idle state at the state of LTE network, MME paging UE.
Step 203, be positioned at the MME side as UE, UE initiates service request to MME, if UE not in the MME side, this step is not carried out.
Step 204, MME send and separate the SGSN of indication to the ISR association of setting up with it, comprise type of separation in this message, promptly be the separation of UE initiation or the separation that MME initiates, if type of separation is expressed as the separation that MME initiates, then this detach request also comprises: the state information that the indication information of indication ISR deexcitation and UE register in MME.
If MME receives the service request as page response in the step 203, then MME is a connected state with the state recording of UE, and the state information that the UE in this detach request registers in MME is a connected state, otherwise is Idle state.
If MME does not receive the service request as page response in the step 203, then separate in the indication and can not comprise the state information that UE registers in MME, the state information that does not have UE to register in MME in the SGSN discovery detach request in the subsequent step 205 thinks that the state that UE registers is an Idle state in MME.
After step 205, SGSN receive detach request,, judge whether the state of described UE in MME is connected state in MME according to the state information that UE registers, if, execution in step 206, if not, execution in step 212;
Optionally, if MME receives and service request as page response then comprises in the detach request of step 203 in the step 203: the indication information of indication SGSN deleting bearing; If MME does not receive the service request as page response in the step 203, then separate the indication information that does not comprise indication SGSN deleting bearing in the indication;
In step 205, if the indication information of band indication SGSN deleting bearing in the detach request that SGSN receives, then execution in step 206, otherwise, execution in step 212.
Step 206, SGSN send the deleting bearing request to S-GW.
Step 207, S-GW send the deleting bearing request to P-GW.
Step 208, deleting bearing process.
Step 209, P-GW send the deleting bearing response to S-GW.
Step 210, S-GW send the deleting bearing response to SGSN.
Step 211, SGSN reply to separate and confirm that response is to MME, process ends.
Step 212, SGSN judge that the state of UE in the 2G/3G network is connected state or Idle state, judge that promptly the state that UE registers on SGSN is connected state or Idle state, if connected state, execution in step 213; If Idle state, execution in step 214.
Step 213, SGSN send NAS message to UE, carry ISR deexcitation message in this NAS message, process ends.
Step 214, SGSN paging UE.
Step 215, when UE under SGSN administration, SGSN receives the page-response message that UE sends, and sends ISR deexcitation indication to UE, process ends, when UE not under SGSN administration, paging is overtime, confirm UE in separated network, execution in step 206-step 211.
In the step 214 of the foregoing description three, can adopt normal beep-page message during SGSN paging UE, in step 215, if UE at the service area of SGSN administration, then UE initiates service request information as page response; Also can in beep-page message, indicate the user to initiate position updating process during SGSN paging UE in the step 214 as page response, at this moment, in step 215, if UE is at the service area of SGSN administration, then UE initiates position updating request as page response, follow-up executing location is new technological process more, upgrades to the position that UE sends at SGSN and carries ISR deexcitation indication in the message of accepting.
Consult Fig. 3, the processing method the when embodiment of the invention two provides a kind of network side separates UE, this method specifically comprises:
Load bearing process between step 301, MME deletion and the S-GW.
Step 302, MME send the SGSN of detach request to the ISR association of setting up with it, comprise type of separation in this message, promptly be the separation of UE initiation or the separation that MME initiates, if type of separation is expressed as the separation that MME initiates, then this detach request also comprises: the indication information of indication ISR deexcitation and UE are in the state information of MME registration.
Subsequent step 303 and step 306 parallel processing.
Step 303, when the state of registering in MME as UE is Idle state, MME paging UE.
Step 304, be positioned at the MME side as UE, UE initiates service request to MME.
After step 305, MME receive service request as page response, send and stop beep-page message to SGSN.At this moment, because UE is in the SGSN side, but,, continue execution in step 317 so in step 316, the SGSN paging is overtime in the MME side.
After step 306, SGSN receive detach request,, judge whether the state of described UE in MME is the registration attitude in MME according to the state information that UE registers, if, execution in step 307, if not, execution in step 313;
Step 307, SGSN send the deleting bearing request to S-GW.
Step 308, S-GW send the deleting bearing request to P-GW.
Step 309, deleting bearing process.
Step 310, P-GW send the deleting bearing response to S-GW.
Step 311, S-GW send the deleting bearing response to SGSN.
Step 312, SGSN reply to separate and confirm that response is to MME, process ends.
The state of the UE that step 313, SGSN write down in advance according to oneself judges that UE is Idle state or connected state at the state of SGSN side registration, if connected state, execution in step 314; If Idle state, execution in step 315.
Step 314, SGSN send NAS message to UE, carry ISR deexcitation indication in this NAS message, process ends.
Step 315, SGSN paging UE.
Step 316, when UE under SGSN administration, SGSN receives the page-response message that UE sends, and sends ISR deexcitation indication, process ends to UE; When UE not under SGSN administration, paging is overtime, then execution in step 307-step 312.In this step, if SGSN receives the page-response message of UE, SGSN can send and stop the MME of beep-page message to separated network.
In the step 315 of the foregoing description three, can adopt normal beep-page message during SGSN paging UE, in step 316, if UE at the service area of SGSN administration, then UE initiates service request information as page response; Also can in beep-page message, indicate the user to initiate position updating process during SGSN paging UE in the step 315 as page response, at this moment, in step 316, if UE is at the service area of SGSN administration, then UE initiates position updating request as page response, follow-up executing location is new technological process more, upgrades to the position that UE sends at SGSN and carries ISR deexcitation indication in the message of accepting.
Consult Fig. 4, the processing method the when embodiment of the invention three provides a kind of network side separates UE, this method specifically comprises:
Step 401, detect the MME fault or reset as S-GW, when needing the cancellation ISR related to connect with MME, send ISR cancellation indication information to setting up the related Mobility Management Entity SGSN of ISR with MME, this ISR cancellation indication information can in separating indication, carry or the deleting bearing indication in carry.
Step 402, SGSN judge that UE is in Idle state or connected state in the SGSN side, if connected state, execution in step 403; If Idle state, execution in step 404.
Step 403, SGSN send NAS message to UE, carry ISR deexcitation indication in this NAS message, process ends.
Step 404, SGSN paging UE.
Step 405, when UE under SGSN administration, SGSN receives the page-response message that UE sends, and sends ISR deexcitation indication, process ends to UE; When UE not under SGSN administration, paging is overtime.
Step 406, SGSN confirm the current MME side that resides in of UE, then send the deleting bearing request to S-GW.
Step 407, S-GW send the deleting bearing request to P-GW.
Step 408, deleting bearing process.
Step 409, P-GW send the deleting bearing response to S-GW.
Step 410, S-GW send the deleting bearing response to SGSN.
In the step 404 of the foregoing description five, can adopt normal beep-page message during SGSN paging UE, in step 405, if UE at the service area of SGSN administration, then UE initiates service request information as page response; Also can in beep-page message, indicate the user to initiate position updating process during SGSN paging UE in the step 404 as page response, at this moment, in step 405, if UE is at the service area of SGSN administration, then UE initiates position updating request as page response, follow-up executing location is new technological process more, upgrades to the position that UE sends at SGSN and carries ISR deexcitation indication in the message of accepting.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, read-only memory for example, disk or CD etc.
Consult Fig. 5, the embodiment of the invention four provides a kind of mobile management device, is arranged in second core network, and described second core network is to set up the related network of ISR with first core network of separates UE, and this device comprises:
Transmitting element 503 is used for being in described second core network at described UE and administers following time, sends message to described UE, indicates described UE to carry out the ISR deexcitation;
Deleting bearing request transmitting unit 504, be used for confirming that when described confirmation unit 502 UE is not under described second core network administration, but administer following time at first core network, and send the deleting bearing request to gateway S-GW, trigger the carrying between described S-GW deletion and the PDN GW.
Wherein, described confirmation unit 502 is used for when receiving the loaded information of indication deletion UE from described first core network, confirms UE not under described second core network administration, but under described first core network administration.
Perhaps, described confirmation unit comprises:
First judging unit is used for judging that the state that UE registers at described second core network is connected state or Idle state;
First confirms the administration unit, when being used for judged result when first judging unit and being state that described UE registers at described second core network and being connected state, confirms that described UE is under described second core network is administered;
Paging unit, when being used for judged result when first judging unit and being state that described UE registers at described second core network and being Idle state, paging UE;
Second judging unit is used to confirm whether to receive the page response of described UE;
Second confirms the administration unit, is used for when receiving the page response of described UE, confirms UE under described second core network administration, when not receiving the page response of described UE, confirms that described UE is under described first core network administration.
Preferably, the information of the indication ISR cancellation of obtaining when described information acquisition unit is when described first core network obtains, and described confirmation unit also comprises:
Obtain UE status information element in first core network, be used for obtaining the state information that UE registers at described first core network;
The 3rd confirms the administration unit, is used for confirming that described UE is under described first core network is administered when state that UE registers at described first core network is connected state;
Described first judging unit is used for when state that UE registers at described first core network is Idle state, judges that the state that UE registers in described second core network is connected state or Idle state.
The embodiment of the invention five provides a kind of network system, comprising: be registered to user equipment (UE), second core network of first core network and second core network simultaneously, it is characterized in that:
Described second core network, be used for when described UE when first core network separates, after the information that gets access to indication ISR cancellation, send message to described UE, indicate described UE to carry out the ISR deexcitation;
Described UE is used for the deexcitation with ISR.
As seen from the above analysis, the embodiment of the invention has following beneficial effect:
1, in the embodiment of the invention with after separated network (such as the LTE network at MME place) is set up the related Mobility Management Entity of ISR (such as SGSN) and is received the separation indication that separated network sends, when confirming that UE is in the network (the 2G/3G network at SGSN place) at self place, go ISR to activate indication to the UE transmission, notice UE ISR deexcitation, when making the UE subsequent movement to separated network, can initiate position updating request, make Mobility Management Entity (MME) in the separated network to the SGSN context that desynchronizes, make UE also can receive the downlink data of network side in the MME side.
2, set up the related Mobility Management Entity of ISR when confirming that UE is in the separated network with separated network in the embodiment of the invention, send the deleting bearing request to S-GW, trigger the carrying between S-GW deletion and the PDNGW, whole carryings at network side deletion UE, make set up the related Mobility Management Entity of ISR with separated network can paging UE, can not waste Internet resources.
More than processing method, mobile management device and network system during to network side separates UE that the embodiment of the invention provided be described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (16)
1. the processing method of a network side separate users equipment, be applied to enable in the core network of saving signaling ISR mechanism under the idle pulley, wherein user equipment (UE) is registered to first core network and second core network simultaneously, it is characterized in that, comprise step: when described UE when first core network separates, second core network obtains the information of indication ISR cancellation, confirm whether UE is in described second core network administration down, if, send message to described UE, indicate described UE to carry out the ISR deexcitation.
2. according to the method shown in the claim 1, it is characterized in that,
The information that described second core network obtains indication ISR cancellation is specially:
Described first core network sends the information that indication ISR cancels to described second core network, and described second core network receives the information of described indication ISR cancellation.
3. according to the method shown in the claim 2, it is characterized in that,
Whether described affirmation UE is under described second core network administration is specially:
When described second core network receives the loaded information that UE is deleted in indication from described first core network, confirm UE not under described second core network administration, but under the administration of first core network.
4. according to the method shown in the claim 2, it is characterized in that,
Whether described affirmation UE is under described second core network administration is specially:
Described second core network obtains the state information of UE in described first core network registration, when described state information is expressed as state that UE registers and is connected state in described first core network, confirm UE not under described second core network administration, but the administration of first core network down.
5. according to the method shown in the claim 4, it is characterized in that,
Whether described affirmation UE is under described second core network administration is specially:
When described state information is expressed as state that UE registers and is Idle state in described first core network, judge that UE is Idle state or connected state at the state of described second core network registration, when UE when the state of described second core network registration is connected state, confirm that UE is in described second core network administration down, when UE when the state of described second core network registration is Idle state, the described second core network paging UE, when receiving the page response of described UE, confirm that UE is under the administration of described second core network, otherwise confirm UE not under the administration of described second core network, but under the administration of first core network.
6. according to the method shown in the claim 1, it is characterized in that,
The information that described second core network obtains indication ISR cancellation is specially:
The Mobility Management Entity that gateway S-GW detects in described first core network resets or fault, sends the information that indication ISR cancels to second core network, and described second core network receives the information of described indication ISR cancellation.
7. according to the method shown in the claim 6, it is characterized in that,
Whether described affirmation UE is under described second core network administration is specially:
When the state of registering as described UE is connected state, confirm that UE is in described second core network administration down in described second core network; When the state of registering in described second core network as described UE is Idle state, the described second core network paging UE, if receive the page response of described UE, confirm that UE is in described second core network administration down, otherwise confirm UE not under described second core network, but under the administration of first core network.
8. according to the method shown in the claim 3,4,5 or 7, it is characterized in that when confirming that UE administers following time at first core network, this method also comprises:
Described second core network sends the deleting bearing request to gateway S-GW, triggers the carrying between described S-GW deletion and the data gateway PDN GW.
9. according to the method shown in claim 5 or 7, it is characterized in that, when UE when the state of described second core network registration is connected state, describedly send message to described UE, indicate described UE to carry out the ISR deexcitation and be specially:
Described second core network sends NAS message to described UE, carries the indication information of ISR deexcitation in this message, indicates described UE to carry out the ISR deexcitation.
10. according to the method shown in claim 5 or 7, it is characterized in that, when described UE is Idle state at the state of described second core network registration,
Described paging UE is specially:
Send the paging request to UE, the indication user initiates position updating request as page response in the described paging request;
The page response of the described UE of receiving is specially:
Receive the position updating request that UE sends.
11. a mobile management device is arranged in second core network, described second core network is to set up the related network of ISR with first core network of separates UE, it is characterized in that, comprising:
Information acquisition unit is used to obtain the information of indication ISR cancellation;
Confirmation unit is used for after the information of obtaining indication ISR cancellation, confirms whether UE is in described second core network administration down;
Transmitting element is used for being in described second core network at described UE and administers following time, sends message to described UE, indicates described UE to carry out the ISR deexcitation.
12. device according to claim 11 is characterized in that,
Described confirmation unit is used for when receiving the loaded information of indication deletion UE from described first core network, confirms UE not under described second core network administration, but under described first core network administration.
13. device according to claim 11 is characterized in that,
Described confirmation unit comprises:
First judging unit is used for judging that the state that UE registers at described second core network is connected state or Idle state;
First confirms the administration unit, when being used for judged result when first judging unit and being state that described UE registers at described second core network and being connected state, confirms that described UE is under described second core network is administered;
Paging unit, when being used for judged result when first judging unit and being state that described UE registers at described second core network and being Idle state, paging UE;
Second judging unit is used to confirm whether to receive the page response of described UE;
Second confirms the administration unit, is used for when receiving the page response of described UE, confirms UE under described second core network administration, when not receiving the page response of described UE, confirms that described UE is under described first core network administration.
14. device according to claim 13 is characterized in that, the information of the indication ISR cancellation of obtaining when described information acquisition unit is when described first core network obtains, and described confirmation unit also comprises:
Obtain UE status information element in first core network, be used for obtaining the state information that UE registers at described first core network;
The 3rd confirms the administration unit, is used for confirming that described UE is under described first core network is administered when state that UE registers at described first core network is connected state;
Described first judging unit is used for when state that UE registers at described first core network is Idle state, judges that the state that UE registers in described second core network is connected state or Idle state.
15., it is characterized in that this device also comprises according to claim 12,13 or 14 described devices:
The deleting bearing request transmitting unit is used for confirming that when described confirmation unit UE does not administer following time at described second core network, sends the deleting bearing request to gateway S-GW, triggers the carrying between described S-GW deletion and the PDN GW.
16. a network system comprises: be registered to user equipment (UE), second core network of first core network and second core network simultaneously, it is characterized in that:
Described second core network, be used for when described UE when first core network separates, after the information that gets access to indication ISR cancellation, confirm whether UE is in described second core network administration down, if, send message to described UE, indicate described UE to carry out the ISR deexcitation;
Described UE is used for the deexcitation with ISR.
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| CN102045678B (en) * | 2009-10-15 | 2013-03-13 | 电信科学技术研究院 | Communication processing method and device |
| US9144050B2 (en) * | 2009-12-17 | 2015-09-22 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and apparatus for use in a communications network |
| CN102281564A (en) * | 2010-06-11 | 2011-12-14 | 中兴通讯股份有限公司 | Method and system for processing network failure |
| EP3614707B1 (en) * | 2017-05-08 | 2021-03-31 | Huawei Technologies Co., Ltd. | State switching method and apparatus |
| CN111434161A (en) * | 2018-04-08 | 2020-07-17 | Oppo广东移动通信有限公司 | Paging method, network equipment and terminal equipment |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1841142A1 (en) * | 2006-03-27 | 2007-10-03 | Matsushita Electric Industries Co., Ltd. | Sleep-state and service initiation for mobile terminal |
| CN101043280A (en) * | 2006-06-24 | 2007-09-26 | 华为技术有限公司 | Method and system for positioning user location |
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| CN101552980A (en) | 2009-10-07 |
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