CN101742688A - Method for sending paging in mobile communication system - Google Patents

Method for sending paging in mobile communication system Download PDF

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Publication number
CN101742688A
CN101742688A CN200810177975A CN200810177975A CN101742688A CN 101742688 A CN101742688 A CN 101742688A CN 200810177975 A CN200810177975 A CN 200810177975A CN 200810177975 A CN200810177975 A CN 200810177975A CN 101742688 A CN101742688 A CN 101742688A
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China
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hnb
message
calling optimization
carry out
indication
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许丽香
王弘
李小强
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Beijing Samsung Telecommunications Technology Research Co Ltd
Samsung Electronics Co Ltd
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Beijing Samsung Telecommunications Technology Research Co Ltd
Samsung Electronics Co Ltd
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Priority to CN200810177975A priority Critical patent/CN101742688A/en
Publication of CN101742688A publication Critical patent/CN101742688A/en
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Abstract

The invention discloses a method for sending paging in a mobile communication system, which comprises the following steps that: UE sends a RRC initial direct transfer message to a home base station (HNB); the HNB sends a UE registration request message to a home base station gateway (HNB GW), wherein the request message includes an instruction whether to execute paging optimization; the HNB GW sends a paging message to all HNBs or HNB GWs and sends the paging message to all HNBs connected to the HNB GW if the request message includes an instruction of no executing paging optimization; the HNB GW sends a message to the HNB registered by the UE if the request message includes an instruction of executing the paging optimization; and the HNB which receives the paging message sends the paging message to the UE. Through the method for carrying out paging optimization in the mobile communication system provided by the invention, the method enables the paging optimization to be possible and the network always finds the UE.

Description

Send the method for paging in the mobile communication system
Technical field
The present invention relates to the communications field, particularly, relate to the method for calling optimization in a kind of mobile communication system.
Background technology
Existing third generation partner plan (hereinafter to be referred as 3GPP) structure as shown in Figure 1.Be description below to Figure 13 GPP system configuration.
101 subscriber equipmenies (hereinafter to be referred as UE) are the terminal equipments that is used for receiving data.102Node B is the node of being responsible for (being called for short RNS) wireless receipts/send out in the RNS.103 control radio network controllers (hereinafter to be referred as CRNC) are the radio network controllers of directly controlling Node B.Interface between radio network controller (hereinafter to be referred as RNC) and the UE is called air interface.104 service wireless network controllers (hereinafter to be referred as SRNC) are the RNC of control beared information, as Radio Resource control (hereinafter to be referred as RRC) state.The interface of SRNC and CRNC is the Iur interface.105 gateway general packet radio service (is GPRS hereinafter to be referred as GPRS) support nodes (is GGSN hereinafter to be referred as Gateway GPRS Support Node) and 106 Serving GPRS Support Nodes (hereinafter to be referred as SGSN) provide route for the transmission of data.Interface between SGSN and the RNC is the Iu interface.107E-PDN is outside public data network, and data source is provided.
What the UE start time will be carried out network adheres to (Attach) process.Connecting system can support circuit-switched (hereinafter to be referred as CS) territory and the business in packet switching (hereinafter to be referred as PS) territory.Connecting system will be broadcasted the public NAS system information of core net, CS territory particular system information and PS territory particular system information.(adhering to attachment removal allows to comprise parameter A TT in the particular system information of CS territory, Attach-detachallowed) sign, when the ATT sign is arranged to 0, do not need to carry out global mobile user identification (hereinafter to be referred as IMSI) attachment removal (detach) process during the UE shutdown, do not need to carry out IMSI Attach process next time when starting shooting.When the ATT sign was arranged to 1, UE should carry out IMSI detach and IMSIattach process.
Comprise network work pattern (hereinafter to be referred as NMO) in the particular system information of PS territory, when the NMO value is 0 interval scale network work pattern I (there are interface in SGSN and MSC).When the value of NMO is 1 interval scale network work pattern II (SGSN and MSC do not have interface).When network work pattern I, if the UE ability allows, UE can carry out the GPRS attach process of associating.When network work pattern II, UE must carry out independent IMSI attach and GPRS attach process.(start shooting for the first time) during the UE access network and all will carry out IMSI attach.The UE ability that has does not allow UE to insert CS and PS territory simultaneously.UE wants to insert PS after inserting CS territory (IMSI attach), must carry out IMSI detach process earlier.The UE ability that has allows UE to insert CS and PS simultaneously.Whether to carry out GPRS attach process be operator decision to UE when the UE ability allows.The Carrier Requirements UE that has just carries out GPRS attach process when having PS professional.
The system configuration of SAE as shown in Figure 2.Be description below to Fig. 2 SAE system configuration.
201 subscriber equipmenies (hereinafter to be referred as UE) are the terminal equipments that is used for receiving data.202EUTRAN is the Radio Access Network among the evolution system SAE, also can be eNB, be responsible for providing the interface of access of radio network, and be connected by the S1 interface with user plane entity 204Serving Gateway with the mobile management entity 203MME of mobile phone to LTE (Long Term Evolution) mobile phone.203MME is in charge of mobile context, the session context of subscriber equipment, preserves user and security-related information.204ServingGateway (Serving GW) mainly provides the function of user plane.S1-MME interface is responsible for providing RAB to set up to UE, and UE is sent to the forwarding of the message of MME from wireless access network.Some is similar for function that 203MME and 204Serving Gateway combine and original 206SGSN (GPRS (hereinafter to be referred as GPRS) support node), and MME and ServingGateway might be in same physical entity.205PDN Gateway is responsible for functions such as charging, Lawful Interception.Serving Gateway and PDN Gateway might be in same physical entity.206SGSN is that the transmission for data provides route among the present UMTS.Existing SGSN finds corresponding Gateway GPRS Support Node (hereinafter to be referred as GGSN) according to access point name (hereinafter to be referred as APN).207HSS is the local ownership subsystem of subscriber equipment, it is responsible for preserving user's information, comprises the current location of subscriber equipment, the address of service node, user's security-related information, packet data protocol (hereinafter to be referred as PDP) context that subscriber equipment activates or the like.208PCRF provides Qos policy and charging criterion by the S7 interface.
Usually, customer traffic is to 204Serving Gateway through 205PDN Gateway, Serving Gateway sends to the eNB at UE place to data by GPRS Tunnel Protocol (hereinafter to be referred as GTP) passage, and eNB sends to corresponding user equipment to data.
Fig. 3 is the structure of S1 interface among the SAE, and EPC is the core network of evolution.Wherein each eNB links to each other with a plurality of MME in MME pond (Pool).Each eNB links to each other with a plurality of S-GW among the S-GW Pool.
HNB (comprising 3G HNB, the HNB under LTE HNB and other connecting system) is the base station that is used in family, can also be applied to places such as university, company.HNB is a plug and play.HNB comprises opening and closed user group type.The HNB of closed user group type and the difference of common macro base station are: common not every subscriber equipment can insert HNB.Can insert the HNB of family such as the subscriber equipment that has only subscriber household, perhaps this household agrees the subscriber equipment that other can insert.Have only the employee of company and the affiliate of its company permission to insert in a company.There is the one group of HNB HNB of same company (as be used in) of identical access customer group to be called closed user group (hereinafter to be referred as CSG, Closed Subscriber Group).
The structure of 3G HNB as shown in Figure 4.Wherein UTRAN partly comprises 3G HNB and 3G HNB GW.HNB and HNB GW form HNB RAN.3G HNB comprises the function of original NodeB and the function of part RNC, RRC for example, RLC, MAC etc.3G HNB GW is the node device that connects core net, comprises the function of NNSF.Interface between HNB and the HNB GW is Iuh.3G HNB GW inserts core net by the Iu interface.
Fig. 5 is a 3G HNB registration process.When UE attempted inserting 3G HNB by initial message for the first time, 3G HNB registered UE was to HNB GW.
Step 501, UE moves to HNB, supposes the band of position (be called for short LA) of 3G HNB and it HNB and macrocell different on every side.When UE moved to 3G HNB from contiguous HNB or macrocell, UE can initiate initial message.UE sets up RRC and connects and initiate position updating process.
Step 502, UE sends RRC " initial direct transfer " message and gives HNB.Comprise for example position updating request of initial NAS message in the described message.Described message also comprises the UE sign as IMSI or TMSI.
Step 503, if the UE that HNB receives sign (UE sets up the sign that provides in the process in the RRC connection) HNB is not familiar with, for example UE is TMSI in the sign that this HNB trial inserts usefulness for the first time, the IMSI of HNB request UE.If HNB has known this UE sign and this UE and has been authorized to insert, then can not carry out the UE registration process.
Step 504,3G HNB registered UE is to HNB GW.3G HNB sends the UE login request message to HNBGW.Comprise information element UE sign IMSI in the described message.
Step 505, HNB GW can carry out attempting inserting the UE execution access control function of HNB.If HNB GW accepts the UE registration, HNB GW sends the UE registration and accepts message to 3G HNB.
Step 506, HNB sends connection message to HNB GW, and described message comprises the initial UE message of RANAP.
Step 507, HNB GW receives connection message.The SCCP that HNB GW initiates between HNB GW and the CN connects foundation.In issuing SCCP connection request (the be called for short CR) message of CN, HNB GW comprises initial UE message.
Step 508, CN sends " SCCP connects affirmation " message and gives HNB GW.
Step 509, UE continues other by HNB and the HNB GW position updating process to CN.
The structure of LTE HNB (yet can be called HeNB) does not also have last conclusion.A kind of scheme is that HeNB directly connects MME and S-GW.Another scheme is the structure of similar 3G HNB, and HeNB inserts core net by HeNB GW.
Consider the tremendous amount of HNB, a plurality of HNB can share a RA.A plurality of HNB can share a TA in LTE.When HNB GW receives beep-page message to UE, avoid UE to send beep-page messages at a plurality of HNB, consume Radio Resource, HNB GW carries out calling optimization.HNB GW only sends the HNB of beep-page message to the UE registration when carrying out calling optimization.
UE IMSI adheres to (attach) to a HNB (for example HNB1).If according to the NAS system information, UE does not need to carry out the detach process during shutdown, does not need to carry out the attach process during start, starts shooting at the HNB2 of another one and the same RA of HNB1 again after the UE shutdown so, and UE does not carry out the detach/attach process.Because the RA of HNB2 and HNB1 is the same, UE can the executing location renewal process yet.When HNB GW received beep-page message to this UE, HNB GW carried out calling optimization, and promptly HNB GW only sends beep-page message to HNB1, and can not send beep-page message to HNB2, causes network to can not find UE.
Summary of the invention
The purpose of this invention is to provide the method that sends paging in a kind of mobile communication system.
For achieving the above object, send the method for paging in a kind of mobile communication system, comprise step:
A.UE sends RRC " initial direct transfer " message and gives Home node base station HNB;
B.HNB sends the UE login request message to home base-station gateway HNB GW, comprises whether executable indication of calling optimization in the described request message;
If c. comprise the not indication of calling optimization in the described request message, then HNB GW sends beep-page message and sends beep-page message to all HNB or HNB GW to all HNB that are connected to this HNB GW;
If d. described request message comprises the indication of calling optimization, then HNB GW sends message to the HNB of UE registration;
E. the HNB that receives beep-page message sends beep-page message to UE.
The method of calling optimization make calling optimization become possibility, and network can find UE in the mobile communication system that provides by the present invention.
Description of drawings
Fig. 1 is existing 3GPP system configuration;
Fig. 2 is the SAE system network architecture;
Fig. 3 is the structure of S1 interface;
Fig. 4 is the structure of 3G HNB;
Fig. 5 is the UE registration process;
Fig. 6 is the process of embodiment one HNB registered UE to HNB GW;
Fig. 7 is the process of embodiment two HNB GW paging UE.
Fig. 8 is the motion flow of HNB;
Fig. 9 is the motion flow of HNB GW.
Figure 10 is the processes of embodiment two HNB registered UE to HNB GW;
Figure 11 is that HNB GW carries out the calling optimization motion flow to UE.
Embodiment
Be that example is described with 3G HNB system in following examples, the method among the present invention also can be used for the base station from home under other connecting system.
Fig. 6 is the process of HNB registered UE to HNB GW.Be detailed description below to this embodiment.Here ignored the detailed technical descriptioon that has nothing to do with the present invention.
Step 601, UE moves to HNB, supposes the different of the LA of 3G HNB and HNB around it and macrocell.When UE moved to 3G HNB from contiguous HNB or macrocell, UE can initiate initial message.UE sets up RRC and connects and initiate position updating process.
Step 602, UE sends RRC " initial direct transfer " message and gives HNB.Comprise for example position updating request of initial NAS message in the described message.
Step 603 is not familiar with if UE sets up the sign HNB that provides in the process in the RRC connection, and for example UE is TMSI in the sign that this HNB trial inserts usefulness for the first time, the IMSI of HNB request UE.
Step 604,3G HNB registered UE is to HNB GW.3G HNB sends the UE login request message to HNBGW.Comprise information element UE sign IMSI in the described message.Also comprise the indication whether the information element calling optimization can be carried out in the described message.If this UE attempts inserting at this HNB for the first time, the NAS message that the initial direct transfer that HNB receives comprises is that the message in CS territory is for example upgraded the band of position, HNB ATT sign in the NAS of Cell Broadcast CB system information is not carry out IMSI detach/attach, and then the indication of calling optimization is set is to carry out calling optimization to HNB.If this UE attempts inserting at this HNB for the first time, the NAS message that the initial direct transfer that HNB receives comprises is message such as the GPRSAttach or the routing region updating message in PS territory, and then the indication of calling optimization is set is to carry out calling optimization to HNB.If this UE attempts inserting this HNB for the first time, the indication of the calling optimization of this UE that HNB preserves is to carry out calling optimization (UE has carried out GPRS attach), the NAS message that the initial direct transfer that HNB receives comprises is GPRS detach message, and HNB removes the contextual information of UE.(HNB has preserved the contextual information of UE in other words if UE does not carry out GPRS detach, and the indication of calling optimization is to carry out), the NAS message that the initial direct transfer that HNB receives comprises is the NAS message in CS territory or PS territory, the indication of the calling optimization of preserving is to carry out calling optimization (UE has carried out GPRS attach) now, and then HNB does not change the value whether this calling optimization can be carried out.If this UE attempts inserting this HNB for the first time, the indication of the calling optimization of this UE that HNB preserves is to carry out calling optimization, the NAS message that the initial direct transfer that HNB receives comprises is the NAS message in CS territory, and then HNB does not change the value whether this calling optimization can be carried out.If this UE attempts inserting this HNB for the first time, the indication of the calling optimization of this UE that HNB preserves is to carry out calling optimization, the NAS message that the initial direct transfer that HNB receives comprises is the NAS message (for example GPRSattach) in PS territory, and then HNB changes value that whether this calling optimization can carry out for carrying out.
Step 605, HNB GW receives the UE login request message.HNB GW can carry out attempting inserting the UE execution access control function of HNB.If HNB GW accepts the UE registration, HNB GW preserves the indication whether calling optimization can be carried out.If HNB GW has preserved the calling optimization indication, after receiving new calling optimization indication, to cover the value of original preservation.HNB GW sends the UE registration and accepts message to 3GHNB.
Step 606, HNB sends connection message to HNB GW, and described message comprises the initial UE message of RANAP.
Step 607, HNB GW receives connection message.The SCCP that HNB GW initiates between HNB GW and the CN connects foundation.In issuing SCCP connection request (the be called for short CR) message of CN, HNB GW comprises initial UE message.
Step 608, " SCCP connects acknowledge message and gives HNB GW in the CN transmission.
Step 609, UE continues other by HNB and the HNB GW position updating process to CN.
Fig. 7 is the process that HNB GW utilizes the indication paging UE whether calling optimization can carry out.Be detailed description below to this embodiment.Here ignored the detailed technical descriptioon that has nothing to do with the present invention.
Step 701, HNB GW receives from the next beep-page message of core network.
Step 702, the indication that whether calling optimization can be carried out in the contextual information of the corresponding UE that HNB GW inspection is preserved.
If the indication of 703 calling optimizations is to carry out calling optimization, HNB GW send beep-page message to the HNB of registered UE (HNB GW send that registration accepts to HNB).If the indication of calling optimization is to carry out calling optimization, HNB GW carries out paging according to the paging mode of UMTS.If comprise paging domain in the beep-page message, HNB GW sends beep-page message to HNB all in the paging domain.If do not comprise paging domain in the beep-page message, HNB GW sends beep-page message to all HNB that are connected to.
704 receive that the HNB of beep-page message sends beep-page message to UE.
705UE receives that the process that sends response behind the beep-page message is same as the prior art, ignores detailed technical descriptioon here.
Fig. 8 is the motion flow of HNB in the foregoing description.Be detailed description below to this figure.Here ignored the detailed technical descriptioon that has nothing to do with the present invention.
Step 801, HNB receives message.If step 802 is received the next initial direct transfer message from UE, if step 803 HNB does not have the IMSI of UE for example to have only TMSI, step 804HNB initiates the process of request UE IMSI.HNB sends identification request message to UE, the IMSI of request UE.HNB obtains the IMSI of UE.
Step 805, HNB is provided with the indication whether this UE calling optimization can be carried out.If this UE attempts inserting at this HNB for the first time, the NAS message that the initial direct transfer that HNB receives comprises is that the message in CS territory is for example upgraded the band of position, HNB ATT sign in the NAS of Cell Broadcast CB system information is not carry out IMSI detach/attach, and then the indication of calling optimization is set is to carry out calling optimization to HNB.If this UE attempts inserting at this HNB for the first time, the NAS message that the initial direct transfer that HNB receives comprises is message such as the GPRS Attach or the routing region updating message in PS territory, and then the indication of calling optimization is set is to carry out calling optimization to HNB.If this UE attempts inserting this HNB for the first time, the indication of the calling optimization of this UE that HNB preserves is to carry out calling optimization (UE has carried out GPRSattach), the NAS message that the initial direct transfer that HNB receives comprises is GPRS detach message, and HNB removes the contextual information of UE.(HNB has preserved the contextual information of UE in other words if UE does not carry out GPRS detach, and the indication of calling optimization is to carry out), the NAS message that the initial direct transfer that HNB receives comprises is the NAS message in CS territory or PS territory, the indication of the calling optimization of preserving is to carry out calling optimization (UE has carried out GPRS attach) now, and then HNB does not change the value whether this calling optimization can be carried out.If this UE attempts inserting this HNB for the first time, the indication of the calling optimization of this UE that HNB preserves is to carry out calling optimization, the NAS message that the initial direct transfer that HNB receives comprises is the NAS message in CS territory, and then HNB does not change the value whether this calling optimization can be carried out.If this UE attempts inserting this HNB for the first time, the indication of the calling optimization of this UE that HNB preserves is to carry out calling optimization, the NAS message that the initial direct transfer that HNB receives comprises is the NAS message (for example GPRS attach) in PS territory, and then HNB changes value that whether this calling optimization can carry out for carrying out.
Step 806, HNB sends " UE register requirement " message and gives HNB GW, comprises the indication whether the information element calling optimization can be carried out in the described message.
Fig. 9 is the motion flow of HNB GW in the foregoing description.。Be detailed description below to this embodiment.Here ignored the detailed technical descriptioon that has nothing to do with the present invention.
Step 901, HNB GW receives message.If step 902 has been received the UE login request message, step 903HNB GW can carry out access control to the UE that attempts access HNB.Insert if HNB GW cannot accept UE, step 904HNB GW sends " UE registration reject " message and gives HNB.If HNB GW can accept UE and inserts in 903 steps, 905HNB GW preserves the UE contextual information, for example indication that whether can carry out of calling optimization.If HNB GW has preserved this calling optimization indication, after receiving new calling optimization indication, to cover the value of original preservation.
Step 906HNB GW sends " UE registers response " message and gives HNB.
If step 907 HNB GW receives beep-page message, step 908HNB GW checks the indication whether this UE calling optimization can be carried out.If can carry out calling optimization, 909HNB GW send " paging " message give the HNB of registered UE (send the HNB of login request message, also be simultaneously HNB GW send registration accept to HNB).If cannot carry out calling optimization, step 910HNB GW carries out paging according to the paging mode of existing UMTS.If comprise paging domain in the beep-page message, HNB GW sends beep-page message to all HNB with the paging domain sign.If do not comprise paging domain in the beep-page message, HNB GW sends beep-page message to all HNB that are connected to.
Figure 10 is the embodiment of the invention two, and this embodiment has described by UE notice HNB GW whether need to carry out calling optimization.Here emphasis describe with Fig. 6 in different step 1002 and steps 1004.Identical among other steps and Fig. 6, ignore detailed technical descriptioon here.
After the RRC connection is set up successfully, step 1002, UE sends RRC " initial direct transfer " message and gives HNB.Comprise for example position updating request of initial NAS message in the described message.Also comprise the indication whether the information element calling optimization can be carried out in the described message.Described information element is optional.UE is according to the ATT sign and whether carried out GPRS attach, the value of the indication whether the decision calling optimization can be carried out.If need carry out IMSI Detach and IMSIAttach subsequently when the ATT sign is the UE shutdown, then UE does not comprise the indication of information element calling optimization in described initial direct transfer message.Comprise the indication whether the information element calling optimization can be carried out in the perhaps described initial direct transfer message, this value is set to need to carry out calling optimization.If the ATT sign does not need to carry out IMSI Detach and IMSI Attach subsequently when being the UE shutdown, and UE does not have or can not carry out GPRSAttach, then UE comprises the indication whether the information element calling optimization can be carried out in described initial direct transfer message, and this value is set to not need to carry out calling optimization.If the ATT sign does not need to carry out IMSI Detach and IMSI Attach subsequently when being the UE shutdown, and UE has carried out (combined) GPRS of GPRS Attach or merging, then UE comprises the indication whether the information element calling optimization can be carried out in described initial direct transfer message, and this value is set to need to carry out calling optimization.Perhaps UE does not comprise the indication whether the information element calling optimization can be carried out in described initial direct transfer message.
Step 1004, HNB sends the UE login request message to HNB GW.Comprise the indication whether the information element calling optimization can be carried out in the described message, this value with receive from UE identical.HNB GW receives the indication whether this indication back preservation calling optimization can be carried out.If the indication that has the calling optimization that existed whether can carry out, HNB GW covers original value with the value of newly receiving.
After HNB GW receives beep-page message, the indication whether calling optimization of utilize preserving can be carried out to UE carry out the process of paging and embodiment two (Fig. 7, identical in Fig. 9), ignore detailed technical descriptioon here.
If HNB GW always needs UE is not carried out calling optimization, then the motion flow of HNB GW as shown in figure 11.
Step 1101, HNB GW receives message.If step 1102 has been received the UE login request message, step 1103HNB GW can carry out access control to the UE that attempts access HNB.Insert if HNB GW cannot accept UE, step 1104HNB GW sends " UE registration reject " message and gives HNB.If HNB GW can accept the UE access in 1103 steps, 1105HNB GW preserves the UE contextual information, comprises the HNB information of registered UE in the UE contextual information.
Step 1106HNB GW sends " UE registers response " message and gives HNB.
If step 1107 HNB GW receives beep-page message, step 1108HNB GW checks whether comprise paging domain information in this message.If have, then the one or more HNB to the paging domain correspondence send beep-page message, otherwise all HNB that connect to GW send beep-page message.
Although the present invention is described according to described embodiment, it is pointed out that these embodiment are used for explaining, rather than be used for the present invention is limited.Those of ordinary skill in the art can be easy to these embodiment are changed, increase, delete any step and do not break away from the spirit and scope of the present invention.

Claims (12)

1. send the method for paging in the mobile communication system, comprise step:
A.UE sends RRC " initial direct transfer " message and gives Home node base station HNB;
B.HNB sends the UE login request message to home base-station gateway HNB GW, comprises whether executable indication of calling optimization in the described request message;
If c. described request message is indicated not calling optimization, then HNB GW sends beep-page message and sends beep-page message to all HNB or HNB GW to all HNB that are connected to this HNB GW;
If d. described request message is indicated calling optimization, then HNB GW sends message to the HNB of UE registration;
E. the HNB that receives beep-page message sends beep-page message to UE.
2. method according to claim 1 is characterized in that:
If described UE attempts inserting at HNB for the first time, the message that the initial direct transfer that HNB receives comprises is the message in CS territory, HNB ATT sign in the NAS of Cell Broadcast CB system information is not carry out IMSIdetach/attach, and then calling optimization is not carried out in the HNB indication.
3. method according to claim 1 is characterized in that:
If described UE attempts inserting at HNB for the first time, the message that the initial direct transfer that HNB receives comprises is the message in PS territory, and then calling optimization is carried out in the HNB indication.
4. method according to claim 1 is characterized in that:
If described UE attempts inserting at HNB for the first time, the indication of the described UE calling optimization that HNB preserves is to carry out calling optimization, and the NAS message that the initial direct transfer that HNB receives comprises is GPPSdetach message, then the contextual information of HNB deletion UE.
5. method according to claim 4 is characterized in that also comprising:
If described UE does not carry out GPPS detach message, the NAS message that the initial direct transfer that HNB receives comprises is the NAS message in CS territory or PS territory, the indication of the calling optimization of preserving now is to carry out calling optimization, and then HNB does not change the value whether this calling optimization is carried out.
6. method according to claim 1 is characterized in that:
If described UE attempts inserting at HNB for the first time, the indication of the described UE calling optimization that HNB preserves is not carry out calling optimization, the NAS message that the initial direct transfer that HNB receives comprises is the NAS message in CS territory, and then HNB does not change the value whether this calling optimization is carried out.
7. method according to claim 1 is characterized in that:
If described UE attempts inserting at HNB for the first time, the indication of the described UE calling optimization that HNB preserves is not carry out calling optimization, the NAS message that the initial direct transfer that HNB receives comprises is the NAS message in PS territory, and then HNB changes value that whether this calling optimization carry out for carrying out.
8. method according to claim 1 is characterized in that also comprising:
If HNB GW has preserved the calling optimization indication, receiving that new calling optimization indication back covers original value of preserving.
9. method according to claim 1 is characterized in that described step a also comprises the indication whether calling optimization is carried out.
10. method according to claim 9 is characterized in that:
If need carry out IMSI Detach and IMSI Attach subsequently when the ATT sign is the UE shutdown, then UE does not comprise the indication of information element calling optimization in described initial direct transfer message, comprise the indication whether the information element calling optimization can be carried out in the perhaps described initial direct transfer message, this value is set to need to carry out calling optimization.
11. method according to claim 9 is characterized in that:
If the ATT sign does not need to carry out IMSI Detach and IMSIAttach subsequently when being the UE shutdown, and UE does not have or can not carry out GPRS Attach, then UE comprises the indication whether the information element calling optimization can be carried out in described initial direct transfer message, and this value is set to not need to carry out calling optimization.
12. method according to claim 9, it is characterized in that: if the ATT sign does not need to carry out IMSI Detach and IMSI Attach subsequently when being the UE shutdown, and UE has carried out the GPRS of GPRSAttach or merging, then UE comprises the indication whether the information element calling optimization can be carried out in described initial direct transfer message, this value is set to need to carry out calling optimization, and perhaps UE does not comprise the indication whether the information element calling optimization can be carried out in described initial direct transfer message.
CN200810177975A 2008-11-26 2008-11-26 Method for sending paging in mobile communication system Pending CN101742688A (en)

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Application publication date: 20100616