CN101895986A - Method and system thereof for realizing paging in local IP access - Google Patents
Method and system thereof for realizing paging in local IP access Download PDFInfo
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- CN101895986A CN101895986A CN200910085361XA CN200910085361A CN101895986A CN 101895986 A CN101895986 A CN 101895986A CN 200910085361X A CN200910085361X A CN 200910085361XA CN 200910085361 A CN200910085361 A CN 200910085361A CN 101895986 A CN101895986 A CN 101895986A
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Abstract
The invention provides a method and a system thereof for realizing paging in local IP access. When an external data network sends downstream data to UE which is connected to a home network or Internet through a femtocell and UE is idle, the femtocell can trigger the paging to the UE in a local IP access network, wherein the external data network can be a home inner network or Internet. Through the method, the transmission of downstream data from the home internet or Internet to the idle UE is realized in the local IP access, and the UE is ensured to normally receive the downstream data.
Description
Technical field
The present invention relates to the home base station network technology, refer to realize in a kind of local IP access the method and system of paging especially.
Background technology
Home eNodeB is a kind of small base station that is installed in user family the inside or Administrative Area.In the 3G system, be called Home eNodeB (HNB, Home NodeB), in Long Term Evolution (LTE, Long Term) system, be called family's evolution base station (HeNB, Home eNodeB), can be shown H (e) NB or HNB/HeNB by combined statement.
In order to reduce the influence to core net (CN, Core Network), the family base station system wireless access network has been introduced femto gateway (H (e) NB GW).H (e) NB GW is connected with core net, and HNB/HeNB is connected to H (e) NB GW.To the 3G system, wireless access network and core network interface are inherited macro base station and core network interface is the Iu interface; To the LTE system, wireless access network and core network interface are inherited macro base station and core network interface is the S1 interface.The physical connection of Iu mouth or S1 interface is present in H (e) NB GW, from in logic, Iu Application of Interface layer protocol RANAP is (to the LTE system, S1 Application of Interface layer protocol is S1-AP) may be distributed on H (e) NB or H (e) the NB GW, perhaps be distributed in simultaneously on H (e) NB and two network elements of H (e) NB GW.To the LTE system, HeNB can be directly connected to core net, and the network architecture and macro base station are similar.
3G system packet switching (PS) territory and LTE system support always online function concerning user terminal (UE) and core net, after promptly data connected foundation, UE can send data to outer data network at any time, and outer data network also can send data to UE.The outer data network that relates to herein is meant and does not belong to Public Land Mobile Network (PLMN) still with PLMN the IP network that is connected is arranged, such as being household internal network or Internet.Support always online function in order to satisfy UE and core net, UE preserves data with core net and is connected context, simultaneously, in order to save resource, UE be connected with Radio Resource between the Access Network and Access Network and core net between to be connected when not having data be non-existent, promptly UE is in idle condition.
If UE is in idle condition, when outer data network sends data to UE, need to initiate paging to UE earlier, with trigger that UE is connected with Radio Resource between the Access Network and Access Network and core net between establishment of connection.Fig. 1 is the schematic flow sheet of existing outer data network paging UE when UE sends data, wherein mobile management entity (MME), gateway (S-GW) and grouped data network gateway (PDNGW) are the network elements of core net, and the NodeB of evolution (ENB) is the network element of Access Network.As shown in Figure 1, when UE is in idle condition, external network sends data to UE and may further comprise the steps:
Step 100: outer data network sends downlink data to PDN GW, and target ip address is the IP address of UE such as mobile phone; PDN GW finds corresponding S-GW and converting downlink data according to the context of mobile phone.
Step 101:S-GW sends the downlink data indication to MME, and it is that the downlink data of the UE of IP address correspondence needs to send that notice MME has target.This process uses GPRS Tunnel Protocol chain of command (GTP-C) message to realize.
Step 102:MME finds that this UE is in idle condition after receiving data indications, sends beep-page message to the ENB of the tracking area correspondence at this UE place.
The tracking area paging UE that step 103:ENB receives behind the beep-page message in correspondence.
Initiation Radio Resource control (RRC) connected the process of setting up after step 104:UE detected beep-page message, set up at RRC and finished the service request information that comprises Non-Access Stratum in the message.
Step 105:ENB sends to MME to service request information by initial UE, and sets up the connection of S1 signaling.
Step 106:MME initiates the UE context and sets up process.
After step 107:UE context was set up process and finished, outer data network and UE can carry out IP data communications.
H (e) NB belongs to the part of PLMN, can provide general mobile service for the cellphone subscriber; Simultaneously, H (e) NB also is the part of household internal network, also should provide the service that inserts home network for mobile phone.In addition, because H (e) NB has connected Internet, for simple service on net, there is no need by PLMN core net visit Internet, mobile phone can directly be visited Internet by H (e) NB fully.Based on above demand, 3GPP has proposed local IP (Local Ip) access technology, for the cellphone subscriber provides the visit home network, and the service of directly visiting Internet by H (e) NB, Fig. 2 forms structural representation for the network architecture that the local IP of existing 3GPP inserts, and can comprise computer, printer etc. in the home network, as shown in Figure 2, generally speaking, mobile phone is connected to Internet by Access Network, core net; When access to family base station, can be directly connected to home network and Internet by Home eNodeB according to user's request, data channel is shown in the thick chain-dotted line among Fig. 2.
In the network that local IP shown in Figure 2 inserts, if Internet or home network send data to mobile phone, directly data are sent to Home eNodeB, core net is the existence of not knowing downlink data.In this case, if UE is in idle condition, do not provide at present the solution that how to trigger the paging of UE, that is to say local IP access network for 3GPP, be directly connected under the situation of home network or Internet by Home eNodeB at UE, when outer data network sends downlink data and UE when being in idle condition to UE, can not realize paging, thereby can not guarantee the normal downlink data receiving of UE UE.
Summary of the invention
In view of this, main purpose of the present invention is the method that realizes paging in a kind of local IP access is provided, and can realize the paging to UE, guarantees the normal downlink data receiving of UE.
Another object of the present invention is to provides the system that realizes paging in a kind of local IP access, can realize the paging to UE, guarantees the normal downlink data receiving of UE.
For achieving the above object, technical scheme of the present invention is achieved in that
Realize the method for paging during a kind of local IP inserts, when outer data network sends downlink data and UE when being in idle condition to user terminal UE, trigger paging UE by Home eNodeB.
The paging that described Home eNodeB triggers UE is: described Home eNodeB directly sends the paging to UE in the home cell scope.
The described paging that sends UE in the home cell scope specifically comprises:
Described Home eNodeB is according to the context of the target ip address information inquiry corresponding UE of downlink data, and when described UE was in idle condition, Home eNodeB sent beep-page message to described UE on control channel;
Described UE receives beep-page message, initiate radio resource control RRC and connect the process of setting up, and the service request information of transmission Non-Access Stratum is as page response;
Described Home eNodeB is forwarded to core net with service request information by initial UE message, and sets up the signaling connection; Core net sends the UE context to Home eNodeB and sets up request message; After the UE context was set up, described Home eNodeB sent to UE with downlink data.
The paging that described Home eNodeB triggers UE is: described Home eNodeB sends downlink data notification message to core net, initiates paging by the Home eNodeB of appointment in the downlink data notification message to UE by core net;
Carry the Home eNodeB sign in the described downlink data notification message.
Describedly specifically comprise by specifying Home eNodeB to initiate paging in the downlink data notification message to UE by core net:
Described core net is received the downlink data notification message from Home eNodeB, and the context of inquiry UE is when described UE is in idle condition, to the Home eNodeB transmission beep-page message of described appointment;
Described Home eNodeB is paging UE in the home cell scope, and described UE receives beep-page message, initiate RRC and connect the process of setting up, and the service request information of transmission Non-Access Stratum is as page response;
Described Home eNodeB is forwarded to core net with service request information by initial UE message, and sets up the signaling connection; Core net sends the UE context to Home eNodeB and sets up request message; After the UE context was set up, described Home eNodeB sent to UE with downlink data.
If there is femto gateway, described core net sends the beep-page message that carries described Home eNodeB sign to the femto gateway at described Home eNodeB place earlier; Femto gateway is transmitted beep-page message to the Home eNodeB of described Home eNodeB sign appointment again.
In the 3G home base station network, described core net is GPRS serving GPRS support node SGSN, shown in signaling be connected to the Iu signaling and connect;
In the LTE home base station network, described Home eNodeB is the evolution base station HeNB of family, and described core net is a mobile management entity MME, shown in signaling be connected to the S1 signaling and connect.
The paging that described Home eNodeB HNB triggers UE is: described Home eNodeB directly sends the paging to UE in the home cell scope, indication is used for showing to be that local IP inserts application scenarios in the beep-page message, and downlink data triggers the paging reason of the direct paging of Home eNodeB transmission.
Described Home eNodeB is arranged in the 3G home base station network, and the described paging that sends UE in the home cell scope specifically comprises:
Described Home eNodeB is according to the context of the target ip address information inquiry corresponding UE of downlink data, when described UE is in idle condition, Home eNodeB sends beep-page message to described UE on control channel, indication is used for showing to be that local IP inserts application scenarios in this beep-page message, and downlink data triggers the paging reason of the direct paging of Home eNodeB transmission;
Described UE receives beep-page message, judging according to the paging reason of indication is after local IP application scenarios downlink data triggers the direct paging of HNB transmission, initiate RRC and connect the process of setting up, and the service request information that sends Non-Access Stratum is as page response, and wherein asking COS is transfer of data;
Described Home eNodeB is forwarded to SGSN with service request information by initial UE message, and sets up the connection of Iu signaling; SGSN sends carrying to Home eNodeB and sets up request message, triggers loading establishing process; After the UE context was set up, described Home eNodeB sent to UE with downlink data.
This method also is included in the paging waiting timer is set in the described Home eNodeB;
Overtime and reach the default paging number of times higher limit that repeats to initiate when the paging waiting timer, described Home eNodeB is initiated the load bearing deactivation process.
This method also is included in the paging waiting timer is set in the described core net;
Overtime and reach the default paging number of times higher limit that repeats to initiate when the paging waiting timer, described core net is initiated the load bearing deactivation process;
In the 3G home base station network, described core net is SGSN; In the LTE home base station network, described core net is MME.
Realize the system of paging during a kind of local IP inserts, comprise outer data network, Home eNodeB and user terminal UE at least, wherein,
UE, the grouped data that establishes local grouped data network gateway connects, and outer data network uses this grouped data to connect to UE and sends the IP data;
Home eNodeB is used for externally data network and sends downlink data and UE when being in idle condition to user terminal UE, and directly triggering is to the paging of UE;
Be provided with the local GGSN that is used to realize all or part of GGSN GGSN Network Element Function in the described Home eNodeB, perhaps be used to realize the local PGW of all or part of PDN GW Network Element Function;
Also be provided with the function of part gateway in the described Home eNodeB.
Described Home eNodeB specifically is used for, and according to the context of the target ip address information inquiry corresponding UE of downlink data, when described UE is in idle condition, sends beep-page message to described UE on control channel; Service request information is forwarded to core net by initial UE message, and sets up the signaling connection; Reception is set up request message from the UE context of core net, and the UE context sends to UE with downlink data after setting up;
Described UE specifically is used for, and receives beep-page message, initiates RRC and connects the process of setting up, and send the service request information of Non-Access Stratum as page response to Home eNodeB; The downlink data that reception is transmitted from Home eNodeB.
Described system also comprises core net,
Described Home eNodeB specifically is used for, and sends the downlink data notification message that carries the Home eNodeB sign to core net, initiates paging by the Home eNodeB of appointment in the downlink data notification message to UE by core net; Acceptance is from the beep-page message of core net, paging UE in the home cell scope; The service request information that receives is forwarded to core net by initial UE message, and sets up the signaling connection; Receive from the UE context of core net and set up request message, the UE context sends to UE with downlink data after setting up;
Described core net is used for, and receives the downlink data notification message from Home eNodeB, and the context of inquiry UE is when described UE is in idle condition, to the Home eNodeB transmission beep-page message of described appointment; Send the UE context to Home eNodeB and set up request message;
Described UE specifically is used for, and receives beep-page message, initiates RRC and connects the process of setting up, and send the service request information of Non-Access Stratum as page response to Home eNodeB; The downlink data that reception is transmitted from Home eNodeB.
Described system also comprises femto gateway, and described core net sends the beep-page message that carries described Home eNodeB sign to the femto gateway at described Home eNodeB place earlier; Femto gateway is transmitted beep-page message to the Home eNodeB of described Home eNodeB sign appointment again.
In the 3G home base station network, described core net is SGSN;
In the LTE home base station network, described Home eNodeB is the evolution base station HeNB of family, and described core net is MME.
Described Home eNodeB specifically is used for, context according to the target ip address information inquiry corresponding UE of downlink data, when described UE is in idle condition, on control channel, send beep-page message to described UE, indication is used for showing to be that local IP inserts application scenarios in this beep-page message, and downlink data triggers the paging reason of the direct paging of Home eNodeB transmission; The service request information of Non-Access Stratum is forwarded to SGSN by initial UE message, and sets up the connection of Iu signaling; Reception is set up request message from the carrying of SGSN, triggers loading establishing process; The UE context sends to UE with downlink data after setting up;
Described UE specifically is used for, receive beep-page message, judging according to the paging reason of indication is after local IP application scenarios downlink data triggers the direct paging of HNB transmission, initiate RRC and connect the process of setting up, and be the service request information of transfer of data to the request that the indicates COS that Home eNodeB sends Non-Access Stratum; The downlink data that reception is transmitted from Home eNodeB.
The paging waiting timer is set in described Home eNodeB; It is overtime and reach the default paging number of times higher limit that repeats to initiate when the paging waiting timer,
Described Home eNodeB also is used for, and initiates the load bearing deactivation process.
The paging waiting timer is set in described core net; It is overtime and reach the default paging number of times higher limit that repeats to initiate when the paging waiting timer,
Described core net also is used for, and initiates the load bearing deactivation process;
In the 3G home base station network, described core net is SGSN; In the LTE home base station network, described core net is MME.
The technical scheme that provides from the invention described above as can be seen, for local IP access network, be directly connected under the situation of home network or Internet by Home eNodeB at UE, when outer data network sends downlink data and UE when being in idle condition to UE, by the paging of Home eNodeB triggering to UE, wherein outer data network may be household internal network or Internet.By the inventive method, realized that home network or the Internet UE under idle condition sends downlink data, has guaranteed the normal reception of UE to downlink data in the local IP access.
Description of drawings
Fig. 1 is the schematic flow sheet of existing outer data network paging UE when UE sends data;
Fig. 2 forms structural representation for the network architecture that the local IP of existing 3GPP inserts;
Fig. 3 forms structural representation for the network architecture that the local IP of the present invention inserts;
Fig. 4 is the schematic flow sheet of outer data network of the present invention embodiment one of paging UE when UE sends data;
Fig. 5 is the schematic flow sheet of outer data network of the present invention embodiment two of paging UE when UE sends data;
Fig. 6 is the schematic flow sheet of outer data network of the present invention embodiment three of paging UE when UE sends data;
Fig. 7 is the schematic flow sheet of paging failure in the embodiment of the invention one;
Fig. 8 is the schematic flow sheet of paging failure in the embodiment of the invention two.
Embodiment
Fig. 3 forms structural representation for the network architecture that the local IP of the present invention inserts, and wherein, Fig. 3 (a) is that the network architecture that local IP inserts in the 3GPP network is formed structural representation, and Fig. 3 (b) is that the network architecture that local IP inserts in the LTE network is formed structural representation.
Shown in Fig. 3 (a), in the 3G home base station network, local GGSN (L-GGSN) is a functional module at Home eNodeB, be used to realize all or part of GGSN (GGSN) Network Element Function, such as preserving PDP Context, for UE distributing IP address, as the gateway of mobile network and outer data network.
Shown in Fig. 3 (b), in the LTE home base station network, local PGW (L-PGW) is a functional module of Home eNodeB, be used to realize all or part of PDN GW Network Element Function, connect contextual information such as preserving grouped data, for UE distributing IP address, as the gateway of mobile network and outer data network; As required, can further include the function of part gateway (Serving GW) in the Home eNodeB, such as functions such as buffer memory downlink data, triggering pagings.
The all functions module that HNB that mentions among Fig. 3 (a) and Fig. 3 (b) and HeNB comprise present Home eNodeB.
Based on the network architecture shown in Figure 3, for local IP access network, be directly connected under the situation of home network or Internet by Home eNodeB at UE, when outer data network sends downlink data and UE when being in idle condition to UE, by the paging of Home eNodeB triggering to UE, wherein outer data network may be household internal network or Internet.The specific implementation that is triggered the paging of UE by Home eNodeB can have following three kinds of modes:
First kind of mode, Home eNodeB directly send the paging to UE in the home cell scope.
In order to guarantee that Home eNodeB can receive the downlink data that outer data network sends to UE, Home eNodeB should have the grouped data network gateway function, and the grouped data that UE has been established to local grouped data network gateway connects, and outer data network uses this grouped data to connect to UE and sends the IP data.
First kind of mode is applicable to 3G family base station system and LTE family base station system.In having realized that local IP inserts, home network or the Internet UE under idle condition sends downlink data.
The second way, Home eNodeB sends downlink data notification message to core net, notice core net distributing paging.Carry the Home eNodeB sign in the downlink data notification message,, initiate paging by specifying Home eNodeB to UE by core net so that core net only triggers the paging of specifying Home eNodeB.In the LTE family base station system, Home eNodeB sends downlink data notification message to MME, carries the Home eNodeB sign in the downlink data notification message; MME sends beep-page message to Home eNodeB, wherein comprises the Home eNodeB sign.In the 3G family base station system, Home eNodeB sends downlink data notification message to GPRS serving GPRS support node (SGSN), wherein comprises the Home eNodeB sign, and SGSN sends beep-page message to Home eNodeB, wherein comprises the Home eNodeB sign.
In order to guarantee that Home eNodeB can receive the downlink data that outer data network sends to UE, Home eNodeB should have the grouped data network gateway function, and the grouped data that UE has been established to local grouped data network gateway connects, and outer data network uses this grouped data to connect to UE and sends the IP data.
Described Home eNodeB is designated the parameter that can identify Home eNodeB, can but be not limited to the Home eNodeB identify label, perhaps cell ID etc.Described downlink data notification message can be GTP-C message, also can be S1 interface message etc.
During the second way had realized that equally local IP inserts, home network or the Internet UE under idle condition sent downlink data.And beep-page message only sends to the appointment Home eNodeB, has dwindled paging range, has improved paging efficiency.
The third mode, Home eNodeB directly send the paging to UE in the home cell scope, indication paging reason in the beep-page message shows it is that local IP inserts in the application scenarios, and downlink data triggers the direct paging that Home eNodeB sends.UE receives the direct paging that Home eNodeB sends, and initiatively initiates service request.
Here, initiatively initiate in the service request information that service request is illustrated in Non-Access Stratum the service request type and represent that UE requires transfer of data.
For the 3G system, the service request information that mobile phone sends comprises COS, can be requirement command transmitting or requirement transmission data or page response etc., mobile phone receives that beep-page message is filled in data type in service request information be page response under the normal condition.If Home eNodeB directly sends paging, core net can be refused because do not send paging to handle after receiving the paging request, by the third mode, and indication paging reason in beep-page message, prevent the problem of paging refusal, guaranteed the normal downlink data receiving of UE.
During the third mode had realized that equally local IP inserts, home network or the Internet UE under idle condition sent downlink data, and has guaranteed the normal use of the inventive method in 3G network.
Below in conjunction with Fig. 3 and embodiment, the inventive method is described in detail.
Fig. 4 is the schematic flow sheet of outer data network of the present invention embodiment one of paging UE when UE sends data, the first kind of mode that adopt embodiment one realizes the paging to UE, supposes that in the LTE home base station network, UE and HeNB all support local IP operation, as shown in Figure 4, comprising:
Step 400～step 402:UE inserts HeNB, and UE initiates data service, finishes packet data network and connects activation, directly inserts outer data network by HeNB; UE temporarily stops data service, enters idle condition, and HeNB still remained with packet data network with UE and was connected context this moment.
Outer data network may be household internal network or Internet.
Step 403: the computer of supposing to be connected in the home network sends downlink data by HeNB to UE, and HeNB receives these data and does buffer memory.
Step 404:HeNB finds that according to the context of the target ip address information inquiry corresponding UE of downlink data this UE is in idle condition, and HeNB directly sends the beep-page message to this UE on control channel.
In this step, carry the information such as IP address when connecting (packet data network obtain), UE sign of UE in the context of UE.
Step 405:UE receives beep-page message, initiates RRC and connects the process of setting up, and send the service request information of Non-Access Stratum.
Step 406～step 407:HeNB is forwarded to MME with service request information by initial UE message, and sets up the connection of S1 signaling.MME sends the UE context to Home eNodeB and sets up request message, comprises UE contextual information bearer setup message, triggers the UE context and sets up process.
In this step; suppose active service request and the page response of MME in can the Differentiated Services request message; be that MME can discern UE and inserts external network by local IP mode; such as discerning etc. by being provided with to wait that (the specific implementation method is not need creative work to realize for those skilled in the art once specific sign; be not limited to the protection range of the inventive method); like this; even MME did not send beep-page message, MME also can handle the service request information of the page response type that receives.
Step 408:UE context is set up process and is finished, and HeNB sends to UE with downlink data, and UE and outer data network can proper communications, and local IP has realized that the UE of outer data network under idle condition successfully sends downlink data in inserting.
Fig. 5 is the schematic flow sheet of outer data network of the present invention embodiment two of paging UE when UE sends data, the second way that adopts embodiment two realizes the paging to UE, supposes that in the LTE home base station network, UE and HeNB all support local IP operation, as shown in Figure 5, comprising:
Step 500～step 502:UE inserts HeNB, and UE initiates data service, finishes packet data network and connects activation, directly inserts outer data network by HeNB; UE temporarily stops data service, enters idle condition, and HeNB still remained with packet data network with UE and was connected context this moment.
Outer data network may be household internal network or Internet.
Step 503: the computer of supposing to be connected in the home network sends downlink data by HeNB to UE, and HeNB receives these data and does buffer memory.
Step 504:HeNB finds that according to the context of the target ip address information inquiry corresponding UE of downlink data this UE is in idle condition, sends downlink data notification message to MME, carries the Home eNodeB sign in this downlink data notification message.
Step 505:MME receives the downlink data notification message from HeNB, and the context of inquiry UE learns that this UE is in idle condition, sends beep-page message to HeNB.
Need to prove that if there is HeNB GW, MME sends beep-page message to the HeNB at HeNB place GW, wherein comprise the Home eNodeB sign that to discern Home eNodeB; HeNB GW transmits beep-page message to the HeNB of Home eNodeB sign appointment.If there is no HeNB GW, promptly HeNB is directly connected to core net, and MME directly sends beep-page message to the HeNB of Home eNodeB sign appointment and gets final product.
In this step, carry the information such as IP address when connecting (packet data network obtain), UE sign of UE in the context of UE.
Step 506:HeNB is paging UE in the home cell scope.
Step 507:UE receives beep-page message, initiates RRC and connects the process of setting up, and send the service request information of Non-Access Stratum.
Step 508:HeNB is forwarded to MME with service message by initial UE message, and sets up the connection of S1 signaling.MME sends the UE context to HeNB and sets up request message, comprises UE contextual information bearer setup message, triggers the UE context and sets up process.
Step 509:UE context is set up process and is finished, and HeNB sends to UE with downlink data, and UE and outer data network can proper communications.
Above embodiment one and embodiment two are equally applicable to the 3G system, only need that associated core network element MME is replaced with SGSN and get final product.
Fig. 6 is the schematic flow sheet of outer data network of the present invention embodiment three of paging UE when UE sends data, the third mode that adopts embodiment three realizes the paging to UE, supposes that in the 3G home base station network, UE and HNB all support local IP operation, as shown in Figure 6, comprising:
Step 600～step 602:UE inserts HNB, and UE initiates data service, finishes packet data network and connects activation, directly inserts outer data network by HNB; UE temporarily stops data service, enters idle condition, and HNB still remained with packet data network with UE and was connected context this moment.
Outer data network may be household internal network or Internet.
Step 603: the computer of supposing to be connected in the home network sends downlink data by HNB to UE, and HNB receives these data and does buffer memory.
Step 604:HNB is according to the context of the target ip address information inquiry corresponding UE of downlink data, find that this UE is in idle condition, HNB directly sends the beep-page message to this UE on control channel, indication paging reason in this beep-page message shows it is that local IP downlink data triggers the direct paging that HNB initiates.
In this step, the context of UE can comprise information such as the IP address when connecting (packet data network obtain), UE sign of UE.
Step 605:UE receives beep-page message, and judging according to the paging reason of indication is that local IP application scenarios downlink data triggers the direct paging that HNB sends.Initiate RRC and connect the process of setting up, and send the service request information of Non-Access Stratum, indicating the request COS in the service request information is transfer of data.
Step 606:HNB is forwarded to SGSN with service request information by initial UE message, and sets up the connection of Iu signaling.SGSN sends carrying to HNB and sets up request message, triggers loading establishing process.
Step 607:UE context is set up process and is finished, and HNB sends to UE with downlink data, and UE and external network can proper communications.
The present invention more than is provided three kinds of implementation methods that realize paging, if externally the downlink data of network transmission triggers in the paging by Home eNodeB, paging failure has occurred, Home eNodeB can be deleted the context that this data network connects.
Fig. 7 is the schematic flow sheet of paging failure in the embodiment of the invention one, has set in advance the paging waiting timer in HeNB, as shown in Figure 7, comprising:
The specific implementation and the step 400～step 404 of step 700～step 704 are in full accord, no longer repeat here.
Step 705～step 706: the paging waiting timer is overtime, whether HeNB repeats to send paging according to the implementation strategy decision that sets in advance, implementation strategy shows and repeats to initiate paging number of times higher limit, do not repeat to initiate paging number of times higher limit if reach, HeNB initiates paging again, and count value added one, still paging is overtime to have recurred paging number of times higher limit up to arrival, UE does not send page response, so, HeNB initiates the load bearing deactivation process, discharges local IP and inserts the carrying that corresponding data network connects correspondence.Wherein, the load bearing deactivation process can be passed through the S1 interface message, also can be GTP-C message, and specific implementation belongs to those skilled in the art's conventional techniques means, repeats no more here.
In the flow process of paging failure, the indication paging reason, other repeats no more here with shown in Figure 7 the same in beep-page message among the embodiment three.
Fig. 8 is the flow chart of paging failure in the embodiment of the invention two, has set in advance the paging waiting timer in MME, as shown in Figure 8, comprising:
The specific implementation and the step 500～step 506 of step 800～step 806 are in full accord, no longer repeat here.
Step 807～step 808: the paging waiting timer is overtime, whether MME repeats to send paging according to the implementation strategy decision that sets in advance, implementation strategy shows and repeats to initiate paging number of times higher limit, do not repeat to initiate paging number of times higher limit if reach, MME initiates paging again, and count value added one, still paging is overtime to have recurred paging number of times higher limit up to arrival, UE does not send page response, so, MME initiates the load bearing deactivation process, discharges local IP and inserts the carrying that corresponding data network connects correspondence.Wherein, the load bearing deactivation process can be passed through the S1 interface message, also can be GTP-C message, and specific implementation belongs to those skilled in the art's conventional techniques means, repeats no more here.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (19)
1. realize the method for paging during a local IP inserts, it is characterized in that, when outer data network sends downlink data and UE when being in idle condition to user terminal UE, trigger paging UE by Home eNodeB.
2. method according to claim 1 is characterized in that, the paging that described Home eNodeB triggers UE is: described Home eNodeB directly sends the paging to UE in the home cell scope.
3. method according to claim 2 is characterized in that, the described paging that sends UE in the home cell scope specifically comprises:
Described Home eNodeB is according to the context of the target ip address information inquiry corresponding UE of downlink data, and when described UE was in idle condition, Home eNodeB sent beep-page message to described UE on control channel;
Described UE receives beep-page message, initiate radio resource control RRC and connect the process of setting up, and the service request information of transmission Non-Access Stratum is as page response;
Described Home eNodeB is forwarded to core net with service request information by initial UE message, and sets up the signaling connection; Core net sends the UE context to Home eNodeB and sets up request message; After the UE context was set up, described Home eNodeB sent to UE with downlink data.
4. method according to claim 1, it is characterized in that, the paging that described Home eNodeB triggers UE is: described Home eNodeB sends downlink data notification message to core net, initiates paging by the Home eNodeB of appointment in the downlink data notification message to UE by core net;
Carry the Home eNodeB sign in the described downlink data notification message.
5. method according to claim 4 is characterized in that, is describedly specifically comprised by specifying Home eNodeB to initiate paging to UE in the downlink data notification message by core net:
Described core net is received the downlink data notification message from Home eNodeB, and the context of inquiry UE is when described UE is in idle condition, to the Home eNodeB transmission beep-page message of described appointment;
Described Home eNodeB is paging UE in the home cell scope, and described UE receives beep-page message, initiate RRC and connect the process of setting up, and the service request information of transmission Non-Access Stratum is as page response;
Described Home eNodeB is forwarded to core net with service request information by initial UE message, and sets up the signaling connection; Core net sends the UE context to Home eNodeB and sets up request message; After the UE context was set up, described Home eNodeB sent to UE with downlink data.
6. method according to claim 5 is characterized in that, if there is femto gateway, described core net sends the beep-page message that carries described Home eNodeB sign to the femto gateway at described Home eNodeB place earlier; Femto gateway is transmitted beep-page message to the Home eNodeB of described Home eNodeB sign appointment again.
7. according to claim 3,5 or 6 described methods, it is characterized in that in the 3G home base station network, described core net is GPRS serving GPRS support node SGSN, shown in signaling be connected to the Iu signaling and connect;
In the LTE home base station network, described Home eNodeB is the evolution base station HeNB of family, and described core net is a mobile management entity MME, shown in signaling be connected to the S1 signaling and connect.
8. method according to claim 1, it is characterized in that, the paging that described Home eNodeB HNB triggers UE is: described Home eNodeB directly sends the paging to UE in the home cell scope, indication is used for showing to be that local IP inserts application scenarios in the beep-page message, and downlink data triggers the paging reason of the direct paging of Home eNodeB transmission.
9. method according to claim 8 is characterized in that, described Home eNodeB is arranged in the 3G home base station network, and the described paging that sends UE in the home cell scope specifically comprises:
Described Home eNodeB is according to the context of the target ip address information inquiry corresponding UE of downlink data, when described UE is in idle condition, Home eNodeB sends beep-page message to described UE on control channel, indication is used for showing to be that local IP inserts application scenarios in this beep-page message, and downlink data triggers the paging reason of the direct paging of Home eNodeB transmission;
Described UE receives beep-page message, judging according to the paging reason of indication is after local IP application scenarios downlink data triggers the direct paging of HNB transmission, initiate RRC and connect the process of setting up, and the service request information that sends Non-Access Stratum is as page response, and wherein asking COS is transfer of data;
Described Home eNodeB is forwarded to SGSN with service request information by initial UE message, and sets up the connection of Iu signaling; SGSN sends carrying to Home eNodeB and sets up request message, triggers loading establishing process; After the UE context was set up, described Home eNodeB sent to UE with downlink data.
10. according to claim 2 or 8 described methods, it is characterized in that this method also is included in the paging waiting timer is set in the described Home eNodeB;
Overtime and reach the default paging number of times higher limit that repeats to initiate when the paging waiting timer, described Home eNodeB is initiated the load bearing deactivation process.
11. method according to claim 4 is characterized in that, this method also is included in the paging waiting timer is set in the described core net;
Overtime and reach the default paging number of times higher limit that repeats to initiate when the paging waiting timer, described core net is initiated the load bearing deactivation process;
In the 3G home base station network, described core net is SGSN; In the LTE home base station network, described core net is MME.
12. realize the system of paging during a local IP inserts, it is characterized in that, comprise outer data network, Home eNodeB and user terminal UE at least, wherein,
UE, the grouped data that establishes local grouped data network gateway connects, and outer data network uses this grouped data to connect to UE and sends the IP data;
Home eNodeB is used for externally data network and sends downlink data and UE when being in idle condition to user terminal UE, and directly triggering is to the paging of UE;
Be provided with the local GGSN that is used to realize all or part of GGSN GGSN Network Element Function in the described Home eNodeB, perhaps be used to realize the local PGW of all or part of PDN GW Network Element Function;
Also be provided with the function of part gateway in the described Home eNodeB.
13. system according to claim 12 is characterized in that,
Described Home eNodeB specifically is used for, and according to the context of the target ip address information inquiry corresponding UE of downlink data, when described UE is in idle condition, sends beep-page message to described UE on control channel; Service request information is forwarded to core net by initial UE message, and sets up the signaling connection; Reception is set up request message from the UE context of core net, and the UE context sends to UE with downlink data after setting up;
Described UE specifically is used for, and receives beep-page message, initiates RRC and connects the process of setting up, and send the service request information of Non-Access Stratum as page response to Home eNodeB; The downlink data that reception is transmitted from Home eNodeB.
14. system according to claim 12 is characterized in that, described system also comprises core net,
Described Home eNodeB specifically is used for, and sends the downlink data notification message that carries the Home eNodeB sign to core net, initiates paging by the Home eNodeB of appointment in the downlink data notification message to UE by core net; Acceptance is from the beep-page message of core net, paging UE in the home cell scope; The service request information that receives is forwarded to core net by initial UE message, and sets up the signaling connection; Receive from the UE context of core net and set up request message, the UE context sends to UE with downlink data after setting up;
Described core net is used for, and receives the downlink data notification message from Home eNodeB, and the context of inquiry UE is when described UE is in idle condition, to the Home eNodeB transmission beep-page message of described appointment; Send the UE context to Home eNodeB and set up request message;
Described UE specifically is used for, and receives beep-page message, initiates RRC and connects the process of setting up, and send the service request information of Non-Access Stratum as page response to Home eNodeB; The downlink data that reception is transmitted from Home eNodeB.
15. system according to claim 14 is characterized in that, described system also comprises femto gateway, and described core net sends the beep-page message that carries described Home eNodeB sign to the femto gateway at described Home eNodeB place earlier; Femto gateway is transmitted beep-page message to the Home eNodeB of described Home eNodeB sign appointment again.
16., it is characterized in that in the 3G home base station network, described core net is SGSN according to claim 13,14 or 15 described systems;
In the LTE home base station network, described Home eNodeB is the evolution base station HeNB of family, and described core net is MME.
17. system according to claim 12 is characterized in that,
Described Home eNodeB specifically is used for, context according to the target ip address information inquiry corresponding UE of downlink data, when described UE is in idle condition, on control channel, send beep-page message to described UE, indication is used for showing to be that local IP inserts application scenarios in this beep-page message, and downlink data triggers the paging reason of the direct paging of Home eNodeB transmission; The service request information of Non-Access Stratum is forwarded to SGSN by initial UE message, and sets up the connection of Iu signaling; Reception is set up request message from the carrying of SGSN, triggers loading establishing process; The UE context sends to UE with downlink data after setting up;
Described UE specifically is used for, receive beep-page message, judging according to the paging reason of indication is after local IP application scenarios downlink data triggers the direct paging of HNB transmission, initiate RRC and connect the process of setting up, and be the service request information of transfer of data to the request that the indicates COS that Home eNodeB sends Non-Access Stratum; The downlink data that reception is transmitted from Home eNodeB.
18. according to claim 13 or 17 described systems, it is characterized in that, the paging waiting timer be set in described Home eNodeB; It is overtime and reach the default paging number of times higher limit that repeats to initiate when the paging waiting timer,
Described Home eNodeB also is used for, and initiates the load bearing deactivation process.
19. system according to claim 14 is characterized in that, the paging waiting timer is set in described core net; It is overtime and reach the default paging number of times higher limit that repeats to initiate when the paging waiting timer,
Described core net also is used for, and initiates the load bearing deactivation process;
In the 3G home base station network, described core net is SGSN; In the LTE home base station network, described core net is MME.
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| CN200910085361XA CN101895986A (en) | 2009-05-21 | 2009-05-21 | Method and system thereof for realizing paging in local IP access |
| PCT/CN2010/072989 WO2010133172A1 (en) | 2009-05-21 | 2010-05-20 | Method and system for implementing paging in local internet protocol (ip) access |
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| CN200910085361XA CN101895986A (en) | 2009-05-21 | 2009-05-21 | Method and system thereof for realizing paging in local IP access |
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