CN102232317A - Method and device for processing paging in MSC pool - Google Patents

Method and device for processing paging in MSC pool Download PDF

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Publication number
CN102232317A
CN102232317A CN2010800056897A CN201080005689A CN102232317A CN 102232317 A CN102232317 A CN 102232317A CN 2010800056897 A CN2010800056897 A CN 2010800056897A CN 201080005689 A CN201080005689 A CN 201080005689A CN 102232317 A CN102232317 A CN 102232317A
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tmsi
msc
message
vlr
mentioned
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CN102232317B (en
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于益俊
陆峰
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/14—Backbone network devices

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Abstract

An embodiment of the present invention relates to a method and a device for processing a paging in a MSC (Mobile Switching Center) pool. The method comprises the steps as follows: a MME (Mobility Management Entity) receives a paging request message sent by a MSC/VLR (Mobile Switching Center/Visitor Location Register) in the MSC pool, wherein the paging request message comprises an IMSI (International Mobile Subscriber Identity) of UE (User Equipment) rather than a TMSI (Temporary Mobile Subscriber Identity) of the UE; and the MME sends the TMSI or S-TMSI of the UE to the UE so as to make the UE send a paging response message to the MSC/VLR through a BSS/RNS (Base Station Subsystem/Radio Network System), wherein the paging response message comprises the TMSI information of the UE.

Description

Paging processing method in the mobile switching centre pond and device
Technical field
The embodiment of the invention relates to mobile communication technology, paging processing method and device in particularly a kind of mobile switching centre (Mobile Switching Center is called for short MSC) pond.
Background technology
Evolved universal mobile communication system land radio access web (Evolved Universal Mobile Telecommunication System Territorial Radio Access Network, be called for short E-UTRAN) and evolution block core net (Evolved Packet Core Network, abbreviation EPC) constituted evolved packet system (Evolved Packet System is called for short EPS).And because a lot of at present professional circuit (the CirCuit Switching that all operate in 2G/3G of operator, abbreviation CS) in the territory, in order in the EPS network, to reuse existing C S territory business, therefore proposed to be connected to the CS domain core net by the EPS network, thereby make subscriber equipment (User Equipment, be called for short UE) can initiate and receive the CS business at the EPS network, and get back to the 2G/3G network by E-UTRAN and finish the CS business, its network architecture and processing method can be called " circuit domain dropping " (CS Fallback is called for short CSFB).
Under above-mentioned CSFB framework, certain UE that adheres to may be called out by other UE, triggers downlink voice call flow (perhaps can also be referred to as called/exhale eventually flow process).In carrying out above-mentioned downlink voice call flow, mobile switching centre/visitor location register (Mobile Switching Center/Visitor Location Register, be called for short MSC/VLR) to Mobility Management Entity (Mobility Management Entity, be called for short MM E) the transmission paging request message, make above-mentioned MM E pass through evolved base station (Evolved NodeB is called for short eNodeB) to UE transmission beep-page message or directly to UE transtation mission circuit territory Service Notification message.After U E execution CSFB process falls back to the 2G/3G network, UE sends page-response message to finish circuit domain business by base station sub-system/Radio Network System (Base Station Subsystem/Radio Network System is called for short BSS/RNS) to above-mentioned MSC/VLR.
In the prior art, if network side has disposed MSC pond (Pool), when sending to MME, MSC/VLR comprises IMSI International Mobile Subscriber Identity (International Mobile Subscriber ldentity, be called for short IMSI) (do not comprise Temporary Mobile Subscriber Identity (Temporary Mobile Subscriber ldentity, be called for short TMSI)) paging request message the time, MM E sends the beep-page message that comprises above-mentioned IMSI or directly sends the circuit service notification message that comprises above-mentioned IMSI to UE to U E by eNodeB.After UE execution CSFB process falls back to the 2G/3G network, UE sends the page-response message that comprises above-mentioned IMSI to BSS/RNS, this moment, BSS/RNS can't choose the above-mentioned MSC/VLR of distributing paging request message according to above-mentioned IMSI, make above-mentioned BSS/RNS may choose arbitrary other MSC/VLR in the MSC pond, and to above-mentioned arbitrary other MSC/VLR transmission page-response message, make above-mentioned arbitrary other MSC/VLR refuse this page-response message, trigger above-mentioned BSS/RNS and discharge the circuit domain signaling connection, and cause the extra executing location of these UE needs district to upgrade (Location Area Update, abbreviation LAU) flow process is registered to above-mentioned arbitrary other MSC/VLR, in addition, the MSC/VLR of UE registration also needs to carry out roaming retry (Roaming Retry) flow process to finish the downlink voice call flow before above-mentioned arbitrary other MSC/VLR and the execution CSFB flow process, above-mentioned extra location area updating and roaming retry flow process have increased the processing delay of downlink voice call flow, have reduced service success rate and user experience.
Summary of the invention
The embodiment of the invention provides paging processing method and the device in a kind of MSC pond, in order to avoid under the scene in MSC pond because BSS/RNS can't correctly choose the extra process time delay that UE carries out the execution CSFB flow process that the MSC/VLR that registered before the CSFB flow process causes, improve service success rate.
The embodiment of the invention provides the paging processing method in a kind of MSC pond, comprising:
MME receives the paging request message that the MSC/VLR in the MSC pond sends, and comprises the IMSI of UE in the described paging request message, does not comprise the TMSI of described UE;
Described MME sends the TMSI of described UE or the S-TMSI of described UE to described UE, so that described UE sends page-response message by BSS/RNS to described MSC/VLR, comprises the TMSI information of described UE in the described page-response message.
The embodiment of the invention also provides the paging processing unit in a kind of MSC pond, comprising:
Receiver module is used for receiving the paging request message that the MSC/VLR in MSC pond sends, and comprises the IMSI of UE in the described paging request message, does not comprise the TMSI of described UE;
Sending module is used for sending the TMSI of described UE or the S-TMSI of described UE to described UE, so that described UE sends page-response message by BSS/RNS to described MSC/VLR, comprises the TMSI information of described UE in the described page-response message.
As shown from the above technical solution, the embodiment of the invention receives the paging request message of the IMSI that comprises UE of MSC/VLR (being that UE carries out the MSC/VLR that is registered before the CSFB flow process) transmission in the MSC pond by MME, make above-mentioned MME to send the TMSI of above-mentioned UE or the S-TMSI of above-mentioned UE to above-mentioned UE, thereby can be so that above-mentioned UE and above-mentioned MSC/VLR (promptly this UE carries out the MSC/VLR that is registered before the CSFB flow process) finish circuit domain business, avoided under the scene in MSC pond because BSS/RNS can't correctly choose the extra process time delay that UE carries out the execution CSFB flow process that the MSC/VLR that registered before the CSFB flow process causes, improved service success rate.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of the paging processing method in the MSC pond that Fig. 1 provides for the embodiment of the invention one;
The schematic flow sheet of the paging processing method in the MSC pond that Fig. 2 provides for the embodiment of the invention two;
The schematic flow sheet of the paging processing method in the MSC pond that Fig. 3 provides for the embodiment of the invention three;
The schematic flow sheet of the paging processing method in the MSC pond that Fig. 4 provides for the embodiment of the invention four;
The structural representation of the paging processing unit in the MSC pond that Fig. 5 provides for the embodiment of the invention five.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The schematic flow sheet of the paging processing method in the MSC pond that Fig. 1 provides for the embodiment of the invention one, as shown in Figure 1, the paging processing method in the MSC pond of present embodiment can may further comprise the steps:
Step 101, MME receive the paging request message that the MSC/VLR in the MSC pond sends, and comprise the IMSI of UE in the above-mentioned paging request message, do not comprise the TMSI of UE;
Step 102, above-mentioned MME send the TMSI of above-mentioned UE or the S-TMSI of above-mentioned UE to above-mentioned UE, so that above-mentioned UE sends page-response message by BSS/RNS to above-mentioned MSC/VLR, comprise the TMSI information of above-mentioned UE in the above-mentioned page-response message.
Wherein, the TMSI information of above-mentioned UE can include but not limited to that the NAS node is selected indication (Intra Domain NAS Node Selector is called for short IDNNS) in the TMSI, territory of above-mentioned UE, and wherein above-mentioned IDNNS is known according to the TMSI of above-mentioned UE.
In the present embodiment, receive the paging request message of the IMSI that comprises UE of MSC/VLR (being that UE carries out the MSC/VLR that is registered before the CSFB flow process) transmission in the MSC pond by MME, make above-mentioned MME to send the TMSI of above-mentioned UE or the S-TMSI of above-mentioned UE to above-mentioned UE, thereby can be so that above-mentioned UE and above-mentioned MSC/VLR (promptly this UE carries out the MSC/VLR that is registered before the CSFB flow process) finish circuit domain business, avoided under the scene in MSC pond because BSS/RNS can't correctly choose the extra process time delay that UE carries out the execution CSFB flow process that the MSC/VLR that registered before the CSFB flow process causes, improved service success rate.
The schematic flow sheet of the paging processing method in the MSC pond that Fig. 2 provides for the embodiment of the invention two, as shown in Figure 2, the paging processing method in the MSC pond of present embodiment can may further comprise the steps:
MSC/VLR in step 201, the MSC pond receives initial address message (Initial Address Message is called for short IAM);
Step 202, MSC/VLR send paging request (Paging Request) message to MME, comprise the IMSI of UE in the above-mentioned paging request message;
Particularly, in this step, abnormal conditions appear in MSC/VLR, and for example: the TMSI of UE loses, and make it after the initial address message that receives the MSC/VLR transmission, send the paging request message of the IMSI (TMSI that does not promptly comprise UE) that comprises UE to MME.
Step 203, if MME is known the TMSI of UE, MME uses the TMSI of above-mentioned UE to carry out paging to the message that MSC/VLR sends the TMSI that comprises the UE of knowing in order to indicate above-mentioned MSC/VLR;
In this step, the TMSI of above-mentioned UE is that above-mentioned MME is known according to the context of above-mentioned UE.Particularly, MME can be before the present embodiment flow process adhere to or co-location tracking area/location area updating flow process in know the TMSI of above-mentioned UE, and it is stored in the context of above-mentioned UE.
Wherein, above-mentioned MME is to the message of the TMSI that comprises above-mentioned UE of MSC/VLR transmission, can be existing service request (Service Request) message, it perhaps can also be a new SGs interface message, for example: page response (Paging Response) message, present embodiment does not limit concrete message name.
Step 204, MSC/VLR send paging request (Paging Request) message to MME, and above-mentioned paging request message comprises the TMSI of above-mentioned UE;
Step 205, MME carry out the call treatment to UE;
Particularly, when UE is in idle condition (Idle Mode), execution in step 205a then only, when UE is in connection status (Active Mode), execution in step 205b then only:
Step 205a, MME send paging (Paging) message by eNodeB to UE, comprise S-TMSI and the circuit domain indication (CS Domain Indicator) of UE in the above-mentioned beep-page message;
Particularly, MME comprises the S-TMSI of UE and paging (Paging) message of circuit domain indication to the eNodeB transmission, and eNodeB comprises the S-TMSI of UE and paging (Paging) message of circuit domain indication to the UE transmission.Wherein, above-mentioned S-TMSI is that above-mentioned MME is known according to the context of above-mentioned UE.Particularly, MME can be before the present embodiment flow process adhere to or co-location tracking area/location area updating flow process in know the S-TMSI of above-mentioned UE, and it is stored in the context of above-mentioned UE.
Step 205b, MME comprise the TMSI of above-mentioned UE to UE transtation mission circuit territory Service Notification (CS Service Notification) message in the Service Notification message of foregoing circuit territory;
Step 206, UE set up Radio Resource control (Radio Resource Control, be called for short RRC) connect, send expansion service request (Extended Service Request) message by eNodeB to MME, comprise the CSFB indication in the above-mentioned service request information;
Step 207, MME send service request (Service Request) message to MSC/VLR, so that MSC/VLR stops to retransmit paging request message;
Step 208, eNodeB carry out the CSFB flow process;
Concrete, above-mentioned CSFB flow process can comprise: eNodeB carries out packet-switched domain and switches (PS Handover, be called for short PS HO) flow process or execution Network Assisted Cell Change (Network Assisted Cell Change, be called for short NACC) or carry out the Radio Resource control connection and discharge flow processs such as (Radio Resource Control Connection Release are called for short RRC Connection Release) UE is moved to the 2G/3G network.
Step 209, U E send page-response message to BSS/RNS, comprise the TMSI information of above-mentioned UE in the above-mentioned page-response message;
Particularly, this step specifically can include but not limited to following several method processing:
A, Target Wireless access technology (Radio Access Technology is called for short RAT) are GERAN A/Gb pattern;
UE to BSS send set synchronous balanced model ( Set Asynchronous Balanced Mode, be called for short SABM) and message, comprise page response (Paging Response) message in the above-mentioned SABM message, comprise the TMSI of above-mentioned UE in the above-mentioned page-response message;
B, target RAT are UTRAN/GERAN Iu pattern.
Above-mentioned page-response message can be initial directly transmission (INITIAL DIRECT TRANSFER) message, promptly particularly, UE sends initial directly message transfer to BSS/RNS, comprise in the TMSI of above-mentioned UE or the territory NAS node in the above-mentioned initial directly message transfer and select to indicate (Intra Domain NAS Node Selector, be called for short IDNNS), wherein above-mentioned IDNNS is known according to the TMSI of above-mentioned UE.
Step 210, BSS/RNS send above-mentioned page response (Paging Response) message to MSC/VLR;
Particularly, above-mentioned BSS/RNS is known the above-mentioned MSC/VLR of its correspondence according to the TMSI information of the above-mentioned UE that comprises in the above-mentioned page-response message that receives, sends above-mentioned page-response message to above-mentioned MSC/VLR.
So far, by above-mentioned steps 209 and step 210, above-mentioned UE and above-mentioned MSC/VLR finish circuit domain business.
In the present embodiment, when the MSC/VLR in the MSC pond when MM E initiates IMSI paging (be MSC/VLR send the paging request message of the IMSI that comprises UE to MM E), the TMSI of UE is provided to MSC/VLR by MME, make MSC/VLR to initiate TMSI paging (being MSC/VLR sends paging request message from the TMSI that comprises UE to MME) to MME, thereby make MME can carry out TMSI/S-TMSI call treatment to UE, thereby can finish circuit domain business so that above-mentioned UE and this UE carry out the MSC/VLR that is registered before the CSFB flow process, avoided under the scene in MSC pond because BSS/RNS can't correctly choose the extra process time delay that UE carries out the execution CSFB flow process that the MSC/VLR that registered before the CSFB flow process causes, improved service success rate.
The schematic flow sheet of the paging processing method in the MSC pond that Fig. 3 provides for the embodiment of the invention three, as shown in Figure 3, the paging processing method in the MSC pond of present embodiment can may further comprise the steps:
Step 301, MSC/VLR receive initial address message (Initial Address Message is called for short IAM);
Step 302, MSC/VLR send paging request (Paging Request) message to MME, comprise the IMSI of UE in the above-mentioned paging request message;
Particularly, in this step, abnormal conditions appear in MSC/VLR, and for example: the TMSI of UE loses, and make it after the initial address message that receives the MSC/VLR transmission, send the paging request message of the IMSI (TMSI that does not promptly comprise UE) that comprises UE to MME.
Step 303, if MME is known the TMSI of UE or the S-TMSI of UE, MME carries out the call treatment to UE;
Particularly, when UE is in idle condition (Idle Mode), an execution in step 303a then, when UE is in connection status (Active Mode), then an execution in step 303b:
Step 303a, if MME is known the S-TMSI of UE, MM E sends paging (Paging) message by eNodeB to UE, comprises S-TMSI and the circuit domain indication (CS Domain Indicator) of UE in the above-mentioned beep-page message;
Particularly, MME comprises the S-TMSI of UE and paging (Paging) message of circuit domain indication to the eNodeB transmission, and eNodeB comprises the S-TMSI of UE and paging (Paging) message of circuit domain indication to the UE transmission.Wherein, the S-TMSI of above-mentioned UE is that above-mentioned MME is known according to the context of above-mentioned UE.Particularly, MME can be before the present embodiment flow process adhere to or co-location tracking area/location area updating flow process in know the S-TMSI of above-mentioned UE, and it is stored in the context of above-mentioned UE.
Step 303b, if MME is known the TMSI of UE, MME comprises the TMSI of UE to UE transtation mission circuit territory Service Notification (CS Service Notification) message in the Service Notification message of foregoing circuit territory;
Wherein, the TMSI of above-mentioned UE is that above-mentioned MME is known according to the context of above-mentioned UE.Particularly, MME can be before the present embodiment flow process adhere to or co-location tracking area/location area updating flow process in know the TMSI of above-mentioned UE, and it is stored in the context of above-mentioned UE.
Step 304, UE set up Radio Resource control (Radio Resource Control, be called for short RRC) connect, send expansion service request (Extended Service Request) message by eNodeB to MME, comprise the CSFB indication in the above-mentioned service request information;
Step 305, MME send service request (Service Request) message to MSC/VLR, comprise the TMSI of UE in the above-mentioned service request information;
By this step, MSC/VLR can be known the TMSI of above-mentioned UE according to above-mentioned service request information, so that learn the context of above-mentioned UE during the paging request message of the TMSI that comprises above-mentioned UE that the follow-up UE of receiving sends by BSS/RNS, so that the circuit domain business between UE and the MSC/VLR normally carries out.
Step 306, eNodeB carry out the CSFB flow process;
Concrete, above-mentioned CSFB flow process can comprise: eNodeB carries out packet-switched domain and switches (PS Handover, be called for short PS HO) flow process or execution Network Assisted Cell Change (Network Assisted Cell Change, be called for short NACC) or carry out the Radio Resource control connection and discharge flow processs such as (Radio Resource Control Connection Release are called for short RRC Connection Release) UE is moved to the 2G/3G network.
Step 307, UE send page-response message to BSS/RNS, comprise the TMSI information of above-mentioned UE in the above-mentioned page-response message;
Particularly, this step specifically can include but not limited to following several method processing:
A, Target Wireless access technology (Radio Access Technology is called for short RAT) are GERAN A/Gb pattern;
U E to BSS send set synchronous balanced model ( Set Asynchronous Balanced Mode, be called for short SABM) and message, comprise page response (Paging Response) message in the above-mentioned SABM message, comprise the TMSI of UE in the above-mentioned page-response message;
B, target RAT are UTRAN/GERAN Iu pattern.
Above-mentioned page-response message can be initial directly transmission (INITIAL DIRECT TRANSFER) message, promptly particularly, UE sends initial directly message transfer to BSS/RNS, the TMSI or Intra Domain NAS Node Selection (the Intra Domain NAS Node Selector that comprise above-mentioned UE in the above-mentioned initial directly message transfer, be called for short IDNNS), wherein above-mentioned IDNNS is known according to the TMSI of above-mentioned UE.
Step 308, BSS/RNS send above-mentioned page response (Paging Response) message to MSC/VLR;
Particularly, above-mentioned BSS/RNS is known the above-mentioned MSC/VLR of its correspondence according to the TMSI information of the above-mentioned UE that comprises in the above-mentioned page-response message that receives, sends above-mentioned page-response message to above-mentioned MSC/VLR.
So far, by above-mentioned steps 307 and step 308, above-mentioned UE and above-mentioned MSC/VLR finish circuit domain business.
In the present embodiment, when the MSC/VLR in the MSC pond when MME initiates IMSI paging (be MSC/VLR send the paging request message of the IMSI that comprises UE to MME), can carry out the call treatment of the TMSI/S-TMSI of UE and the TMSI that UE is provided to above-mentioned MSC/VLR by MME, thereby can be so that above-mentioned UE and above-mentioned MSC/VLR (promptly this UE carries out the MSC/VLR that is registered before the CSFB flow process) finish circuit domain business, avoided under the scene in MSC pond because BSS/RNS can't correctly choose the extra process time delay that UE carries out the execution CSFB flow process that the MSC/VLR that registered before the CSFB flow process causes, improved service success rate.
The schematic flow sheet of the paging processing method in the MSC pond that Fig. 4 provides for the embodiment of the invention four, as shown in Figure 4, the paging processing method in the MSC pond of present embodiment can may further comprise the steps:
Step 401, MSC/VLR receive initial address message (Initial Address Message is called for short IAM);
Step 402, MSC/VLR send paging request (Paging Request) message to MME, comprise the IMSI of UE in the above-mentioned paging request message;
Particularly, in this step, abnormal conditions appear in MSC/VLR, and for example: the TMSI of UE loses, and make it after the initial address message that receives the MSC/VLR transmission, send the paging request message of the IMSI (TMSI that does not promptly comprise UE) that comprises UE to MME.
Step 403, MME send message to MSC/VLR, distribute the TMSI (promptly indicating above-mentioned MSC/VLR is UE distribution T MSI) of UE in order to indicate above-mentioned MSC/VLR;
Particularly, the message that above-mentioned MME sends to MSC/VLR, can be existing position updating request (Location Update Request) message, perhaps can also be service request (Service Request) message of expansion, it perhaps can also be a new SGs interface message, for example: page response (Paging Response) message, present embodiment does not limit concrete message name, wherein, comprise TMSI in the service request information of above-mentioned expansion or the page-response message and heavily distribute indication (TMSI Reallocation Indicator), it is UE distribution T MSI that above-mentioned TMSI heavily distributes the above-mentioned MSC/VLR of indication indication.
Step 404, MSC/VLR send response message to MME, comprise the TMSI of the UE of this MSC/VLR distribution in the above-mentioned response message;
Particularly, MSC/VLR receives after the above-mentioned message of MME transmission, is UE distribution T MSI, and sends response message to above-mentioned MME, comprises the TMSI of the UE of above-mentioned MSC/VLR distribution in the above-mentioned response message.
Particularly, if the above-mentioned message that MME sends is service request information or page-response message, above-mentioned response message can be paging request (Paging Request) message, comprises the TMSI of the above-mentioned UE of above-mentioned MSC/VLR distribution in the above-mentioned paging request message; If the above-mentioned message that MME sends is location update request message, above-mentioned response message can be that the position is upgraded and accepted (Location Update Accept) message, and the TMSI that accepts to comprise in the message the above-mentioned UE that above-mentioned MSC/VLR distributes is upgraded in above-mentioned position.Further, MSC/VLR is after message is accepted in MME transmission position renewal, and MSC/VLR can also send paging request message to MME, comprises the TMSI of the above-mentioned UE of above-mentioned MSC/VLR distribution in the above-mentioned paging request message.
Step 405, MME carry out the call treatment to U E;
Particularly, when UE is in idle condition (Idle Mode), an execution in step 405a then, when UE is in connection status (Active Mode), then an execution in step 405b:
Step 405a, MME carry out the call treatment to the UE of idle condition;
MME can be in carrying out the flow process of this step, and the TMSI of the above-mentioned UE that the above-mentioned MSC/VLR of knowing is distributed sends to UE.
Particularly, this step specific implementation can be including but not limited to following several modes:
A, MME send the beep-page message that comprises the circuit domain indication by eNodeB to UE, after UE enters connection status, send the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing to UE by NAS message;
Particularly, MME sends paging (Paging) message to eNodeB, comprise the S-TMSI of UE or the IMSI of UE in the above-mentioned beep-page message, and circuit domain indication (CS Domain Indicator), eNodeB sends paging (Paging) message to UE, comprise the S-TMSI of UE or the IMSI of UE in the above-mentioned beep-page message, and circuit domain indication (CS Domain Indicator), UE sends the expansion service request message to MME, comprise the CSFB indication in the above-mentioned expansion service request message, MME sends the NAS message of the TMSI of the above-mentioned UE that comprises the above-mentioned MSC/VLR distribution of knowing to UE.
Wherein, above-mentioned NAS message specifically can be existing EPS Mobility Management (EPS Mobility Management is called for short EMM) information (EMM INFORMATION) message; Perhaps can also be heavy assignment commands (the GUTI reallocation command) message of existing global unique temporary identity (Globally Unique Temporary Identity is called for short GUTI); Perhaps can also be existing circuit domain service notice (CS Service Notification) message; Perhaps can be a new NAS interface message, for example: heavy assignment commands (the TMSI reallocation command) message of TMSI, present embodiment limit concrete message name yet.
At this moment, the TMSI of UE above-mentioned UE that its above-mentioned MSC/VLR that receives from MME is distributed is as new temporary mark (be that UE deletes the old TMSI that it is stored, and store the TMSI of above-mentioned UE).
B, MME send the beep-page message that comprises the circuit domain indication by eNodeB to UE, after UE enters connection status, send the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing to UE by eNodeB;
Particularly, MME sends paging (Paging) message to eNodeB, comprise the S-TMSI of UE or the IMSI of UE in the above-mentioned beep-page message, and circuit domain indication (CS Domain Indicator), eNodeB sends paging (Paging) message to UE, comprise the S-TMSI of UE or the IMSI of UE in the above-mentioned beep-page message, and circuit domain indication (CS Domain Indicator), UE sends the expansion service request message to MME, comprise the CSFB indication in the above-mentioned expansion service request message, MME sends the message of the TMSI of the above-mentioned UE that comprises the above-mentioned MSC/VLR distribution of knowing to UE by eNodeB.
Wherein, above-mentioned MME is specifically as follows to the message that UE sends the TMSI of the above-mentioned UE that comprises the above-mentioned MSC/VLR distribution of knowing by eNodeB: MME sends initial context to eNodeB and sets up request (INITIAL CONTEXT SETUP REQUESE) message, above-mentioned initial context is set up the TMSI of the above-mentioned UE that comprises the above-mentioned MSC/VLR distribution of knowing in the request message, eNodeB sends switching command (Handover Command) message or Cell Change Order (Cell Change Order) message or RRC to UE and connects release (RRC Connection Release) message, comprises the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing in above-mentioned switching command message or Cell Change Order message or the RRC connection release message.
At this moment, the TMSI of UE above-mentioned UE that its above-mentioned MSC/VLR that receives from eNodeB is distributed is as new temporary mark (be that UE deletes the old TMSI that it is stored, and store the TMSI of above-mentioned UE).
C, MME send the beep-page message that comprises the circuit domain indication by eNodeB to UE, send the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing to UE by above-mentioned beep-page message;
Particularly, MM E sends paging (Paging) message to eNodeB, comprise the S-TMSI of UE or the IMSI of UE (as the paging sign) in the above-mentioned beep-page message, and the TMSI of the above-mentioned UE of circuit domain indication (CS Domain Indicator) and above-mentioned MSC/VLR distribution, eNodeB sends paging (Paging) message to UE, comprise the S-TMSI of UE or the IMSI of UE (as the paging sign) in the above-mentioned beep-page message, and the TMSI of the above-mentioned UE of circuit domain indication (CS Domain Indicator) and above-mentioned MSC/VLR distribution, UE sends the expansion service request message to MME, comprises the CSFB indication in the above-mentioned expansion service request message.
Wherein, (for example: new TMSI) be used to indicate the TMSI of the UE that above-mentioned MSC/VLR distributes, present embodiment does not limit the title of this independent parameter can to comprise an independent parameter in above-mentioned beep-page message.
At this moment, the TMSI of UE above-mentioned UE that its above-mentioned MSC/VLR that receives from eNodeB is distributed is as new temporary mark (be that UE deletes the old TMSI that it is stored, and store the TMSI of above-mentioned UE).
D, MME to the beep-page message that UE initiates to comprise the packet domain indication, after UE enters connection status, send the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing by eNodeB to UE by NAS message;
Particularly, MME sends paging (Paging) message to eNodeB, comprise the S-TMSI of UE or the IMSI of UE in the above-mentioned beep-page message, and packet domain indication (PS Domain Indicator), eNodeB sends paging (Paging) message to U E, comprise the S-TMSI of U E or the IMSI of UE in the above-mentioned beep-page message, and packet domain indication (PS Domain Indicator), UE sends service request information to MME, MME sends NAS message to UE, comprises the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing in the above-mentioned NAS message.
Wherein, above-mentioned NAS message specifically can be existing EPS Mobility Management (EPS Mobility Management is called for short EMM) information (EMM INFORMATION) message; Perhaps can also be heavy assignment commands (the GUTI reallocation command) message of existing global unique temporary identity (Globally Unique Temporary Identity is called for short GUTI); Perhaps can also be existing circuit domain service notice (CS Service Notification) message; Perhaps can be a new NAS interface message, for example: heavy assignment commands (the TMSI reallocation command) message of TMSI, present embodiment limit concrete message name yet.
At this moment, the TMSI of UE above-mentioned UE that its above-mentioned MSC/VLR that receives from MME is distributed is as new temporary mark (be that UE deletes the old TMSI that it is stored, and store the TMSI of above-mentioned UE).
Further, UE receives after the above-mentioned NAS message, can also send the expansion service request message to MME, comprises the CSFB indication in the above-mentioned expansion service request message.
E, MME send the beep-page message that comprises the packet domain indication by eNodeB to UE, after UE enters connection status, send the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing to UE by eNodeB;
Particularly, MME sends paging (Paging) message to eNodeB, comprise the S-TMSI of UE or the IMSI of UE in the above-mentioned beep-page message, and packet domain indication (PS Domain Indicator), eNodeB sends paging (Paging) message to UE, comprise the S-TMSI of UE or the IMSI of UE in the above-mentioned beep-page message, and packet domain indication (PS Domain Indicator), UE sends the expansion service request message to MME, comprise the CSFB indication in the above-mentioned expansion service request message, MME sends the message of the TMSI of the above-mentioned UE that comprises the above-mentioned MSC/VLR distribution of knowing to UE by eNodeB.
Wherein, above-mentioned MME is specifically as follows to the message that UE sends the TMSI of the above-mentioned UE that comprises the above-mentioned MSC/VLR distribution of knowing by eNodeB: MME sends initial context to eNodeB and sets up request (INITIAL CONTEXT SETUP REQUESE) message or UE contextual modifications request (UE CONTEXT MODIFICATION REQUESE) message, above-mentioned initial context is set up the TMSI of the above-mentioned UE that comprises the above-mentioned MSC/VLR distribution of knowing in request message or the request of UE contextual modifications, eNodeB sends switching command (Handover Command) message or Cell Change Order (Cell Change Order) message or RRC to UE and connects release (RRC Connection Release) message, comprises the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing in above-mentioned switching command message or Cell Change Order message or the RRC connection release message.
At this moment, the TMSI of UE above-mentioned UE that its above-mentioned MSC/VLR that receives from eNodeB is distributed is as new temporary mark (be that UE deletes the old TMSI that it is stored, and store the TMSI of above-mentioned UE).
Step 405b, MME carry out the call treatment to the UE of connection status;
MME can be in carrying out the flow process of this step, and the TMSI of the above-mentioned UE that the above-mentioned MSC/VLR of knowing is distributed sends to UE;
Particularly, this step specific implementation can be including but not limited to following several modes:
A, MME send the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing to UE by NAS message after the Service Notification message of UE transtation mission circuit territory;
Particularly, MME is to UE transtation mission circuit territory Service Notification message, UE sends the expansion service request message to MME, comprises the CSFB indication in the above-mentioned expansion service request message, and MME sends the NAS message of the TMSI of the above-mentioned UE that comprises the above-mentioned MSC/VLR distribution of knowing to UE.
Wherein, above-mentioned NAS message specifically can be existing EMM information (EMM INFORMATION) message; Perhaps can also be heavy assignment commands (the GUTI reallocation command) message of existing GUTI; Perhaps can also be existing circuit domain service notice (CS Service Notification) message; Perhaps can be a new NAS interface message, for example: heavy assignment commands (the TMSI reallocation command) message of TMSI, present embodiment limit concrete message name yet.
At this moment, the TMSI of UE above-mentioned UE that its above-mentioned MSC/VLR that receives from MME is distributed is as new temporary mark (be that UE deletes the old TMSI that it is stored, and store the TMSI of above-mentioned UE).
B, MM E send the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing to UE by eNodeB after the Service Notification message of UE transtation mission circuit territory;
Particularly, MME is to UE transtation mission circuit territory Service Notification message, UE sends the expansion service request message to MME, comprises the CSFB indication in the above-mentioned expansion service request message, and MME sends the message of the TMSI of the above-mentioned UE that comprises the above-mentioned MSC/VLR distribution of knowing to UE by eNodeB.
Wherein, above-mentioned MME is specifically as follows to the message that UE sends the TMSI of the above-mentioned UE that comprises the above-mentioned MSC/VLR distribution of knowing by eNodeB: MME sends UE contextual modifications request (UE CONTEXT MODIFICATION REQUESE) message to eNodeB, the TMSI that comprises the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing in the above-mentioned UE contextual modifications request message, eNodeB sends switching command (Handover Command) message or Cell Change Order (Cell Change Order) message or RRC to UE and connects release (RRC Connection Release) message, comprises the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing in above-mentioned switching command message or Cell Change Order message or the RRC connection release message.
At this moment, the TMSI of UE above-mentioned UE that its above-mentioned MSC/VLR that receives from eNodeB is distributed is as new temporary mark (be that U E deletes the old TMSI that it is stored, and store the TMSI of above-mentioned UE).
C, MME send the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing to UE by the circuit domain service notification message;
Particularly, MME comprises the TMSI of the above-mentioned UE of above-mentioned MSC/VLR distribution to UE transtation mission circuit territory Service Notification message in the Service Notification message of foregoing circuit territory, and UE sends the expansion service request message to MME, comprises the CSFB indication in the above-mentioned expansion service request message.Wherein, (for example: new TMSI) be used to indicate the TMSI of the above-mentioned UE that above-mentioned MSC/VLR distributes, present embodiment does not limit the title of this independent parameter can to comprise an independent parameter in the Service Notification message of foregoing circuit territory.
At this moment, the TMSI of UE above-mentioned UE that its above-mentioned MSC/VLR that receives from MME is distributed is as new temporary mark (be that UE deletes the old TMSI that it is stored, and store the TMSI of above-mentioned UE).
D, MME sent the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing to UE by NAS message before the Service Notification message of UE transtation mission circuit territory.
Particularly, MME sends NAS message to UE, comprises the TMSI of the UE of the above-mentioned MSC/VLR distribution of knowing in the above-mentioned NAS message, and MME is to UE transtation mission circuit territory Service Notification message, UE sends the expansion service request message to MME, comprises the CSFB indication in the above-mentioned expansion service request message.
Wherein, above-mentioned NAS message specifically can be existing EMM information (EMM INFORMATION) message; Perhaps can also be heavy assignment commands (the GUTI reallocation command) message of existing GUTI; Perhaps can be a new NAS interface message, for example: heavy assignment commands (the TMSI reallocation command) message of TMSI, present embodiment limit concrete message name yet.
At this moment, the TMSI of UE above-mentioned UE that its above-mentioned MSC/VLR that receives from MME is distributed is as new temporary mark (be that UE deletes the old TMSI that it is stored, and store the TMSI of above-mentioned UE).
Step 406, MME send service request (Service Request) message to MSC/VLR, so that MSC/VLR stops to retransmit paging request message;
Step 407, eNodeB carry out the CSFB flow process;
Particularly, above-mentioned CSFB flow process can comprise: eNodeB carries out packet-switched domain and switches (PS Handover, be called for short PS HO) flow process or execution Network Assisted Cell Change (Network Assisted Cell Change, be called for short NACC) or carry out the Radio Resource control connection and discharge flow processs such as (Radio Resource Control Connection Release are called for short RRC Connection Release) UE is moved to the 2G/3G network.
Step 408, UE send page-response message to BSS/RNS, comprise the TMSI information of above-mentioned UE in the above-mentioned page-response message;
Particularly, this step specifically can include but not limited to following several method processing:
A, Target Wireless access technology (Radio Access Technology is called for short RAT) are GERAN A/Gb pattern;
UE to BSS send set synchronous balanced model ( Set Asynchronous Balanced Mode, be called for short SABM) and message, comprise page response (Paging Response) message in the above-mentioned SABM message, comprise the TMSI of UE in the above-mentioned page-response message;
B, target RAT are UTRAN/GERAN Iu pattern.
Above-mentioned page-response message can be initial directly transmission (INITIAL DIRECT TRANSFER) message, promptly particularly, UE sends initial directly message transfer to BSS/RNS, the TMSI or Intra Domain NAS Node Selection (the Intra Domain NAS Node Selector that comprise above-mentioned UE in the above-mentioned initial directly message transfer, be called for short IDNNS), wherein above-mentioned IDNNS is known according to the TMSI of above-mentioned UE.
Step 409, BSS/RNS send page response (Paging Response) message to MSC/VLR;
Particularly, above-mentioned BSS/RNS is known the above-mentioned MSC/VLR of its correspondence according to the TMSI information of the above-mentioned UE that comprises in the above-mentioned page-response message that receives, sends above-mentioned page-response message to above-mentioned MSC/VLR.
So far, by above-mentioned steps 408 and step 409, above-mentioned UE and above-mentioned MSC/VLR finish circuit domain business.
In the present embodiment, when the MSC/VLR in the MSC pond when MM E initiates IMSI paging (be MSC/VLR send the paging request message of the IMSI that comprises UE to MM E), sending this MSC/VLR of message trigger by MME to MSC/VLR is UE distribution T MSI, so that MSC/VLR provides the TMSI of the UE of above-mentioned MSC/VLR distribution to UE, thereby can finish circuit domain business so that above-mentioned UE and this UE carry out the MSC/VLR that is registered before the CSFB flow process, avoided under the scene in MSC pond because BSS/RNS can't correctly choose the extra process time delay that UE carries out the execution CSFB flow process that the MSC/VLR that registered before the CSFB flow process causes, improved service success rate.
Need to prove: for aforesaid each method embodiment, for simple description, so it all is expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not subjected to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, do not have the part that describes in detail among certain embodiment, can be referring to the associated description of other embodiment.
The structural representation of the paging processing unit in the MSC pond that Fig. 5 provides for the embodiment of the invention five, as shown in Figure 5, the paging processing unit in the MSC pond of present embodiment can comprise receiver module 51 and sending module 52.Wherein, receiver module 51 receives the paging request message that the MSC/VLR in the MSC pond sends, the IMSI that comprises UE in the above-mentioned paging request message, the TMSI that does not comprise above-mentioned UE, sending module 52 sends the TMSI of above-mentioned UE or the S-TMSI of above-mentioned UE to above-mentioned UE, so that above-mentioned UE sends page-response message by BSS/RNS to above-mentioned MSC/VLR, comprise the TMSI information of above-mentioned UE in the above-mentioned page-response message.
Paging processing unit in the MSC pond that the function of MME all can be provided by present embodiment in MME and the embodiment of the invention four in MME, the embodiment of the invention three in MME, the embodiment of the invention two among the invention described above embodiment one is realized.
In the present embodiment, receive the paging request message of the IMSI that comprises UE of MSC/VLR (being that U E carries out the MSC/VLR that is registered before the CSFB flow process) transmission in the MSC pond by receiver module, make sending module to send the TMSI of above-mentioned UE or the S-TMSI of above-mentioned UE to above-mentioned UE, thereby can be so that above-mentioned UE and above-mentioned MSC/VLR (promptly this UE carries out the MSC/VLR that is registered before the CSFB flow process) finish circuit domain business, avoided under the scene in MSC pond because BSS/RNS can't correctly choose the extra process time delay that UE carries out the execution CSFB flow process that the MSC/VLR that registered before the CSFB flow process causes, improved service success rate.
Particularly, the sending module 52 in the present embodiment specifically can be used for sending beep-page message by eNodeB to above-mentioned UE, comprises the S-TMSI of above-mentioned UE in the above-mentioned beep-page message; Perhaps can also be used for comprising the TMSI of above-mentioned UE in the Service Notification message of foregoing circuit territory to above-mentioned UE transtation mission circuit territory Service Notification message; Perhaps also can be used for sending to above-mentioned UE the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing by eNodeB; Perhaps can also be used for sending the TMSI of the above-mentioned UE of the above-mentioned MSC/VLR distribution of knowing to above-mentioned UE.
Further, the sending module 52 in the present embodiment can also be known the TMSI of above-mentioned UE or the S-TMSI of above-mentioned UE further according to the context of above-mentioned UE; Perhaps also can further send message to above-mentioned MSC/VLR, so that above-mentioned MSC/VLR distributes the TMSI of above-mentioned UE, and the TMSI of knowing the above-mentioned UE that above-mentioned MSC/VLR distributes from above-mentioned MSC/VLR.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (11)

1. the paging processing method in the moving exchanging center MSC pond is characterized in that, comprising:
Mobility Management Entity MME receives the paging request message that the mobile switching centre/visitor location register MSC/VLR in the MSC pond sends, the IMSI International Mobile Subscriber Identity IMSI that comprises user equipment (UE) in the described paging request message does not comprise the Temporary Mobile Subscriber Identity TMSI of described UE;
Described MME sends the TMSI of described UE or the S-TMSI of described UE to described UE, so that described UE sends page-response message by base station sub-system/Radio Network System BSS/RNS to described MSC/VLR, comprise the TMSI information of described UE in the described page-response message.
2. method according to claim 1 is characterized in that, described MME also comprised send the S-TMSI of the TMSI of described UE or described UE to described UE before:
Described MME is known the TMSI of described UE or the S-TMSI of described UE according to the context of described UE.
3. method according to claim 1 and 2 is characterized in that, described MME sends the TMSI of described UE or the S-TMSI of described UE comprises to described UE:
Described MME sends beep-page message by evolved base station eNodeB to described UE, comprises the S-TMSI of described UE in the described beep-page message; Perhaps
Described MME comprises the TMSI of described UE to described UE transtation mission circuit territory Service Notification message in the described circuit domain service notification message.
4. method according to claim 1 and 2 is characterized in that, also comprises:
Described MME sends the TMSI of described UE to described MSC/VLR.
5. method according to claim 1 is characterized in that, described MME also comprised send the S-TMSI of the TMSI of described UE or described UE to described UE before:
Described MME sends message to described MSC/VLR, so that described MSC/VLR distributes the TMSI of described UE;
Described MME is known the TMSI of the described UE that described MSC/VLR distributes from described MSC/VLR.
6. method according to claim 1 or 5 is characterized in that, described MME sends the TMSI of described UE or the S-TMSI of described UE comprises to described UE:
Described MME sends the TMSI of the described UE of the described MSC/VLR distribution of knowing to described UE by eNodeB; Perhaps
Described MME sends the TMSI of the described UE of the described MSC/VLR distribution of knowing to described UE.
7. method according to claim 6 is characterized in that, described MME comprises to the TMSI that described UE sends the described UE of the described MSC/VLR distribution of knowing by eNodeB:
Described MME sends beep-page message to described eNodeB, described MME comprises the TMSI of the described UE of the described MSC/VLR distribution of knowing in the beep-page message that described eNodeB sends, described eNodeB sends beep-page message to described UE, and described eNodeB comprises the TMSI of the described UE of described MSC/VLR distribution in the beep-page message that described UE sends; Perhaps
Described MME sends initial context to eNodeB and sets up request message or contextual modifications request message, described initial context is set up the TMSI of the described UE that comprises the described MSC/VLR distribution of knowing in request message or the described contextual modifications request message, described eNodeB sends switching command message, Cell Change Order message or RRC connection release message to described UE, comprises the TMSI of the described UE of described MSC/VLR distribution in described switching command message, Cell Change Order message or the RRC connection release message.
8. method according to claim 6 is characterized in that, described MME comprises to the TMSI that described UE sends the described UE of the described MSC/VLR distribution of knowing:
Described MME comprises the TMSI of the described UE of the described MSC/VLR distribution of knowing to described UE transtation mission circuit territory Service Notification message in the described circuit domain service notification message; Perhaps
Described MME sends the EMM informational message to described UE, comprises the TMSI of the described UE of the described MSC/VLR distribution of knowing in the described EMM informational message; Perhaps
Described MME sends the heavy assignment command message of GUTI to described UE, comprises the TMSI of the described UE of the described MSC/VLR distribution of knowing in the heavy assignment command message of described GUTI; Perhaps
Described MME sends the heavy assignment command message of TMSI to described UE, comprises the TMSI of the described UE of the described MSC/VLR distribution of knowing in the heavy assignment command message of described TMSI.
9. the paging processing unit in the moving exchanging center MSC pond is characterized in that, comprising:
Receiver module, be used for receiving the paging request message of mobile switching centre/visitor location register MSC/VLR transmission in MSC pond, the IMSI International Mobile Subscriber Identity IMSI that comprises user equipment (UE) in the described paging request message does not comprise the Temporary Mobile Subscriber Identity TMSI of described UE;
Sending module, be used for sending the TMSI of described UE or the S-TMSI of described UE to described UE, so that described UE sends page-response message by base station sub-system/Radio Network System BSS/RNS to described MSC/VLR, comprise the TMSI information of described UE in the described page-response message.
10. device according to claim 9 is characterized in that, described sending module specifically is used for:
Send beep-page message by evolved base station eNodeB to described UE, comprise the S-TMSI of described UE in the described beep-page message; Perhaps
To described UE transtation mission circuit territory Service Notification message, comprise the TMSI of described UE in the described circuit domain service notification message; Perhaps
Send the TMSI of the described UE of the described MSC/VLR distribution of knowing to described UE by eNodeB; Perhaps
Send the TMSI of the described UE of the described MSC/VLR distribution of knowing to described UE.
11., it is characterized in that described sending module also is used for according to claim 9 or 10 described devices:
According to the context of described UE, know the TMSI of described UE or the S-TMSI of described UE; Perhaps
Send message to described MSC/VLR, so that described MSC/VLR distributes the TMSI of described UE, and the TMSI of knowing the described UE that described MSC/VLR distributes from described MSC/VLR.
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CN105393614B (en) * 2014-06-30 2019-04-05 华为技术有限公司 A kind of downstream circuitry exchange falls the paging processing method and equipment of CSFB after rise
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CN105637954B (en) * 2014-08-21 2019-05-17 华为技术有限公司 A kind of downstream circuitry exchange falls the paging processing method and equipment of CSFB after rise
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