CN103260261A - Method and device for separating user equipment - Google Patents
Method and device for separating user equipment Download PDFInfo
- Publication number
- CN103260261A CN103260261A CN2013101629660A CN201310162966A CN103260261A CN 103260261 A CN103260261 A CN 103260261A CN 2013101629660 A CN2013101629660 A CN 2013101629660A CN 201310162966 A CN201310162966 A CN 201310162966A CN 103260261 A CN103260261 A CN 103260261A
- Authority
- CN
- China
- Prior art keywords
- subscriber equipment
- management entity
- mobile management
- network
- separation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method for separating user equipment. The user equipment is simultaneously registered to a mobile management entity of a packet domain network and a mobile switching center of a circuit domain network. The method for separating the user equipment is characterized in that when the user equipment is required to be separated from the packet domain network, the mobile switching center receives separation requests carrying separation types, and the separation types command that the user equipment is separated only from the packet domain network. After the separation requests are received, the mobile switching center deletes contextual information of a packet domain core network entity, and connection between the mobile switching center and the mobile management entity is removed by the mobile switching center. The invention further and correspondingly discloses the mobile management entity for conducting user equipment separation processing. By means of the method for separating the user equipment, time delay of switching at the later stage can be shortened, communication services can be provided for a user more quickly, accordingly, user experience is promoted, and requirements of operators can be met.
Description
Technical field
The present invention relates to moving communicating field, especially relate to the technology that a kind of subscriber equipment separates from the packet field network of registering.
Background technology
General packet radio service gprs (General Packet Radio Service) is that third generation affiliate organizes the defined a kind of mobile communication system of 3GPP with Universal Mobile Telecommunications System UMTS (Universal Mobile Telecommunications System), has obtained at present disposing widely.In order to tackle the challenge of wireless broad band technology, keep the leading superiority of 3GPP network, 3GPP will have formulated Long Term Evolution plan (LTE, Long Term Evolution) in the end of the year 2004.This evolution plan has defined the framework of new mobile communications network, this framework and present GPRS/UMTS are more flat, and only kept packet domain (PS territory, Packet Switched (PS) domain), the packet network (EPS, evolved packet system) that therefore can be called evolution.
Because a lot of business of telecom operators all operate in existing GPRS/UMTS circuit domain (CS territory, Circuit Switched domain) in, therefore occurred again reusing existing circuit domain business by with the method for EPS network connection to circuit domain core net in the EPS network to be implemented in.As shown in Figure 1, the mobile management entity MME in the EPS network is connected on the moving exchanging center MSC of existing CS domain core net by a SGs interface.Under this network architecture, (User Equipment) quarters at the EPS network when user equipment (UE), but prepare to initiate the CS beginning at the CS network and exhale (MO, when Mobile Originating) professional, UE need forward the GPRS/UMTS network earlier to, select the residential quarter of a 2G/3G to be stationed, and then carry out the MO business.When UE quarters at the EPS network, MSC received and exhaled (MT an end this moment, when Mobile Terminated) professional, MSC is by the mobile management entity MME transmission beep-page message of SGs interface to the EPS network, MME carries out paging by the EPS network to UE, after UE receives this beep-page message, need forward the GPRS/UMTS network earlier to, finish the subsequent treatment of this MT business after selecting the residential quarter of a 2G/3G to be stationed then again.The above-mentioned network architecture and communication service processing method thereof can be called " CS fallback " (the CS business is returned legacy network and handled, and is designated hereinafter simply as CSFB).
The register flow path of CSFB once is described below:
201:UE sends and adheres to request Attach request message to MME, has carried CS fallback indication parameter in the described Attach Request message, and this parameter represents that UE has CS fallback ability and needs will use CS fallback function;
After this Attach request message, carry out 3GPP and organize defined standard A ttach flow process after 202:MME receives;
203: if carried associated update indication (Combined Update Indicator) in Attach Request message, then MME derives from the tracking area identification TAI (Tracking Area Identity) of UE VLR Visitor Location Register VLR (visitor location register) number;
204: in above-mentioned standard A ttach flow process, after MME had received the insertion subscription data flow process of HSS transmission, MME initiated the position to MSC/VLR and upgrades LA (Location Update) flow process, registers a user to MSC/VLR.
After 205:MSC/VLR receives Location Update, preserve the relevant informations such as address of MME, and being connected by the foundation of SGs interface and MME.
206: the CS territory Location Update flow process of operative norm.
207: above-mentioned position is after more new technological process finishes, and it is that the position is upgraded and received message that MSC/VLR returns Location Update Accept to MME, and finish notice MME position more new technological process.
208:MME sends Attach Accept to UE and namely adheres to and accept message, and indication UE attachment flow is finished.So far UE successfully sets up context and registration in EPS network and CS network.
When the user need go from the CS network registered and EPS network detach, only can select in the EPS network detach, also can perhaps all separate with the CS network at the EPS network only in the CS network detach.When subscriber equipment need be from the EPS network detach, there is not corresponding solution in the prior art at present.
Summary of the invention
The present invention aims to provide a kind of method and equipment thereof of network detach, can realize from the EPS network detach according to the indication of type of separation information, satisfies the needs of communication service.
The embodiment of the invention discloses the method that a kind of subscriber equipment separates, described subscriber equipment is registered in the mobile switching centre of the mobile management entity of packet field network and circuit-domain network simultaneously, subscriber equipment comprises step: when need separate from packet field network, mobile switching centre receives the detach request that carries type of separation, and described type of separation indication only separates from packet field network; After receiving described detach request, the contextual information of mobile switching centre's deletion packet domain core network network entity is removed the connection between mobile switching centre and the mobile management entity.
The embodiment of the invention discloses a kind of mobile management entity, be used for carrying out at the packet network of evolution the context management of subscriber equipment, comprising: trigger element, for the separation process that triggers subscriber equipment; Indicating member for the notice that receives described trigger element, sends message to evolution base station, carries out residential quarter, CS territory by evolution base station indication subscriber equipment and selects; Separative element, be used for receiving the notice of trigger element, send message to mobile switching centre, the context of the mobile management entity of its reservation is deleted by indication mobile switching centre, connection between release or removing mobile switching centre and the mobile management entity, wherein, described subscriber equipment is registered on packet field network and the circuit-domain network simultaneously, and subscriber equipment need separate from packet field network.
Use embodiment of the invention disclosed method and apparatus, can solve the only processing of discrete packets territory network in CSFB, can reduce the later stage time delay for switching on this basis, provide communication service for the user quickly, thereby promote user's impression, satisfy the demand of operator.
Description of drawings
Fig. 1 is the Organization Chart of packet field network and circuit-domain network mixed networking in the prior art;
Fig. 2 is the user equipment registration flow chart under the CSFB scene in the prior art;
Fig. 3 is subscriber equipment separation process figure in the embodiment of the invention one;
Fig. 4 is subscriber equipment separation process figure in the embodiment of the invention two;
Fig. 5 is subscriber equipment separation process figure in the invention process complete three.
Fig. 6 is the structured flowchart of mobile management entity in the embodiment of the invention four.
Embodiment
Embodiments of the invention provide at separation process and have used type of separation (Detach Type), by type of separation being designated as only from the EPS network detach, according to described indication, finish separately the separation from the EPS network.On this basis, mobile management entity can send to evolution base station eNodeB with customer equipment context initialization request (S1 Initial UE Context Request) message by the S1 interface, and notice UE initiates the residential quarter in CS territory and selects to be convenient to carry out follow-up CS field communication business; Be subscriber equipment according to current position, conditions such as signal strength signal intensity select to insert residential quarter, an appropriate C S territory and are used for carrying out follow-up CS territory business.
Below in conjunction with accompanying drawing 3 and specific embodiment technical scheme of the present invention is described in detail.
Be the flow chart that subscriber equipment separates in the embodiment of the invention one as shown in Figure 1, concrete steps are as follows:
301:UE initiates detach request message (Detach Request) to MME, has carried type of separation (Detach Type) parameter in the message, and this parameter is designated as only from EPS network detach (EPS Detach Only).
302: initiate as in 3GPP 23.401 standards the definition separation process, the resource of release UE in the EPS network.MME deletes this mobility of user equipment managing context and bearer context; And notification service gateway Serving GW deletion is stored in the relevant context of described subscriber equipment on the relevant bearer context of described subscriber equipment on the Serving GW and the grouped data network gateway PDN GW.
303:MME sends international mobile subscriber identity IMSI to MSC/VLR and separates Indication message, has carried the type of separation parameter in the message, and this parameter can be indicated only in the EPS network detach.Also can use other message to indicate only in the EPS network detach.After MSC/VLR received this message, can know only needed to carry out the separation of EPS network this moment.
304:MSC/VLR makes corresponding processing according to type of separation.If only in the EPS network detach, the then connection between release or removing MSC/VLR and the MME, all contexts that the MSC deletion is relevant with MME.
After 305:MME receives detach request message, know only in the EPS network detach according to type of separation, then send customer equipment context to eNodeB and create message (S1 initial UE Context Setup), this message is used for setting up this user's context at eNodeB originally, can be used to notify eNodeB to send message to UE in embodiments of the present invention, indication UE carries out residential quarter, CS territory and selects.Wherein carry in this message and separate indication, eNodeB learns that according to this message the UE needs carry out residential quarter, CS territory and select.
MME also can send other message to eNodeB, carries out residential quarter, CS territory by eNodeB indication UE and selects.
Step 303 and step 305 do not have strict sequencing, carry out earlier arbitrary step all can, but step 304 item must can be carried out after step 303 is finished.
306:MME can send to separate to UE and accept message by the mode of eNodeB transparent transmission, and indication UE separation is finished.In one embodiment of the invention, UE receive separate finish message after, initiatively carry out residential quarter, CS territory and select, the residential quarter of the suitable accesses of Information Selection such as signal strength signal intensity that UE launches according to current signal such as base station in the CS territory is to carry out the business in CS territory.This step is not essential step in the present embodiment, and when MME did not carry out this step, UE also can obtain to carry out the indication that residential quarter, CS territory is selected by subsequent step 310.
307:eNodeB sends handover request message to MME, is used for request and allocates resource in advance in target side, initiation packet territory switching flow.
308: mobile management entity receives the handover request that evolution base station sends, and carries out hand-off process with service universal grouping wireless business supporting node.Comprise: MME is transmitted to service universal grouping wireless business supporting node SGSN with received handover request, after SGSN receives described handover request, notify BSC (Base Station Controller base station controller) for UE allocates resource in advance, and described resource information is sent to MME.For example the information such as frequency in the wireless access relevant information are sent to MME.
309:MME issues eNodeB with described resource information.
310:eNodeB is transmitted to UE with the network resource information of receiving, and indication UE carries out the selection of residential quarter, CS territory.UE can select a proper cell and be linked into the CS network according to these resource informations.
The circuit domain residential quarter of indication is selected in the embodiment of the invention, and purpose is to select the best residential quarter of signal that belongs to this PLMN (Public Land Mobile Network public land mobile radio communication).If UE preserves some relevant informations of this PLMN, such as frequency, scrambler etc.UE will at first use these information to carry out Cell searching (Stored information cell selection).So just can be linked into communication network faster.
When MME sends S1 initial UE Context Setup message to eNodeB after, not supporting packet domain when objective network switches, perhaps objective network does not support to handle simultaneously the double-transmission mode DTM (Dual Transfer Mode) of PS and CS information, and then needing to initiate network assisted cell change flow process is NACC (Network Assisted Cell Change).
Existing 4 detailed steps of describing the invention process two by reference to the accompanying drawings:
Step 401 to 405 with embodiment 1 in the step 301 described to 305 identical, so no longer given unnecessary details.
Step 406:MME can send to separate and accept message to UE, and indication UE separation is finished.This step is not essential step in the present embodiment, and when MME did not carry out this step, UE also can obtain to carry out the indication that residential quarter, CS territory is selected by subsequent step 413.
Step 407 is to 413: mobile management entity is transmitted to service universal grouping wireless business supporting node after receiving the request of acquisition cuicuit territory Access Network information from evolution base station; And the circuit domain Access Network information that service universal grouping wireless business supporting node is sent is transmitted to evolution base station, eNodeB initiation NACC flow process.Comprise: the wireless access network by MME, SGSN (Serving GPRS Support Node Serving GPRS Support Node), circuit domain is got CS network of network access information, and be handed down to UE by SGSN, MME and eNodeB, and indication UE carries out residential quarter, CS territory and selects.UE can be linked into the CS network rapidly according to the network access information of receiving.
Existing 5 detailed steps of describing the invention process three by reference to the accompanying drawings:
Step 501 to 504 with embodiment 1 in the step 301 described to 304 identical, so no longer given unnecessary details.
Step 505:MME can send to separate and accept message to UE, and indication UE separation is finished, and described separation is accepted message and comprised the indication that UE carries out the selection of circuit domain residential quarter.
After step 506:UE receives this message, initiatively carry out residential quarter, CS territory and select, UE in the CS territory according to the residential quarter of the suitable accesses of Information Selection such as signal strength signal intensity of current signal such as base station emission to carry out the business in CS territory.
In other embodiments of the invention, can post device HLR by MME or home subscriber server HSS or homing position and initiate separation process, other flow processs are then identical with above-mentioned two embodiment, and this place is also no longer given unnecessary details
As Fig. 5 shown in be the structured flowchart of the embodiment of the invention four described mobile management entities, be described in detail as follows:
Mobile management entity is the core network network element in the packet network of evolution, and the mobile management of being responsible for chain of command comprises user's context management, mobile status management etc.Comprise trigger element, indicating member and separative element.Described trigger element triggers separation process after comprising the detach request message of initiatively initiating and receive the subscriber equipment transmission with the separation process that triggers subscriber equipment.Correspondingly, trigger element can comprise that first triggers subelement or the second triggering subelement, trigger the separation process of subscriber equipment after the detach request message of the described first triggering subelement for the transmission of reception subscriber equipment, the described second triggering subelement is for the separation process of initiatively initiating subscriber equipment.Described indicating member is used for after described trigger element triggers separation process, receive the notice of trigger element, create message (S1 initial UE Context Setup) to evolution base station eNodeB transmission message such as customer equipment context, carry out residential quarter, CS territory by evolution base station indication subscriber equipment and select.Described indicating member also can be used for sending separation to UE and accepts message, and it is successful to notify described subscriber equipment to separate.Described separative element is used for after described trigger element is initiated the separation process of subscriber equipment, receive the notice of trigger element, mobile switching centre to circuit domain sends message, delete modes such as the relevant information of mobile management entity of its reservation such as contextual information by notice mobile switching centre, being connected between removing or release and the mobile switching centre.In one embodiment of the invention, mobile management entity also can comprise switch unit, is used for carrying out follow-up hand-off process after subscriber equipment separates.Perhaps also can comprise retransmission unit, the request that is used for acquisition cuicuit territory Access Network information that evolution base station is sent is transmitted to mobile switching centre, and the circuit domain Access Network information that mobile switching centre is sent is transmitted to evolution base station.
Use embodiment of the invention disclosed method, can solve the only processing of discrete packets territory network in CSFB, can reduce the later stage time delay for switching, quickly for the user provides communication service, promote user's impression.
Invention has been described more than to have used preferred embodiment, but above preferred embodiment only is used for helping to understand core concept of the present invention and execution mode thereof, therefore one of ordinary skill in the art can change on embodiment and details under the situation that does not depart from thought of the present invention and scope to some extent.These changes should be understood to implement the present invention.
Claims (21)
1. the subscriber equipment method of separating, described subscriber equipment is registered on packet field network and the circuit-domain network simultaneously, it is characterized in that, comprising:
When subscriber equipment need separate from packet field network, mobile management entity sends detach request to mobile switching centre, described detach request indication separates from packet field network, so that after mobile switching centre receives described detach request, remove the connection between mobile switching centre and the mobile management entity;
Mobile management entity sends message by evolution base station to subscriber equipment, and the indication subscriber equipment carries out the selection of circuit domain residential quarter.
2. method according to claim 1 is characterized in that, when subscriber equipment need separate from packet field network, comprising:
When mobile management entity received the detach request of subscriber equipment transmission, wherein said detach request carried type of separation, and described type of separation indication only separates from packet field network; Perhaps
When mobile management entity is initiated separation process; Perhaps
When angelica client server HSS initiates separation process.
3. method according to claim 1 and 2 is characterized in that, also comprises:
After removing being connected between mobile switching centre and the mobile management entity, mobile management entity sends to separate to subscriber equipment accepts message, and notice is separated and finished.
4. according to the described method of claim 3, it is characterized in that, also comprise:
Subscriber equipment receive separate accept message after, initiatively select proper cell and be linked into network.
5. method according to claim 1 and 2 is characterized in that, described mobile management entity sends message by evolution base station to subscriber equipment, and the indication subscriber equipment carries out the selection of circuit domain residential quarter, comprising:
Mobile management entity receives the handover request that evolution base station sends, and carries out hand-off process with service universal grouping wireless business supporting node.
6. method according to claim 1 and 2 is characterized in that, described mobile management entity sends message by evolution base station to subscriber equipment, and the indication subscriber equipment carries out the selection of circuit domain residential quarter, comprising:
After mobile management entity receives the request of acquisition cuicuit territory Access Network information from evolution base station, be transmitted to service universal grouping wireless business supporting node, and the circuit domain Access Network information that service universal grouping wireless business supporting node is sent is transmitted to evolution base station.
7. mobile management entity is used for carrying out at the packet network of evolution the context management of subscriber equipment, it is characterized in that, comprising:
Trigger element, for the separation process that triggers subscriber equipment, wherein, described subscriber equipment is registered on packet field network and the circuit-domain network simultaneously, and subscriber equipment need separate from packet field network;
Indicating member for the notice that receives described trigger element, sends message to evolution base station, carries out residential quarter, circuit CS territory by evolution base station indication subscriber equipment and selects;
Separative element for the notice that receives described trigger element, sends message to mobile switching centre, so that mobile switching centre removes the connection between mobile switching centre and the mobile management entity.
8. mobile management entity according to claim 7 is characterized in that, described trigger element comprises that first triggers subelement or the second triggering subelement;
Trigger the separation process of described subscriber equipment after the detach request of the described first triggering subelement for the transmission of reception subscriber equipment;
Described second triggers subelement is used for initiatively initiating separation process.
9. according to claim 7 or 8 described mobile management entities, it is characterized in that, also comprise switch unit or retransmission unit;
Described switch unit is used for carrying out follow-up hand-off process after subscriber equipment separates;
Described retransmission unit is used for repeat circuit territory Access Network information.
10. according to claim 7 or 8 described mobile management entities, it is characterized in that described indicating member also is used for sending separation to subscriber equipment and accepts message, notifies described subscriber equipment to separate and finishes.
11. the device that subscriber equipment separates, described subscriber equipment is registered on packet field network and the circuit-domain network simultaneously, it is characterized in that, comprising:
Subscriber equipment is used for when need separate from packet field network, send the module of detach request to mobile switching centre, described detach request indication separates from packet field network, so that after mobile switching centre receives described detach request, remove the connection between mobile switching centre and the mobile management entity;
Be used for sending message by evolution base station to subscriber equipment the module that the indication subscriber equipment carries out the selection of circuit domain residential quarter.
12. device according to claim 11 is characterized in that, when subscriber equipment need separate from packet field network, comprising:
When mobile management entity received the detach request of subscriber equipment transmission, wherein said detach request carried type of separation, and described type of separation indication only separates from packet field network; Perhaps
When mobile management entity is initiated separation process; Perhaps
When angelica client server HSS initiates separation process.
13. according to claim 11 or 12 described devices, it is characterized in that, also comprise: after be used for removing being connected between mobile switching centre and the mobile management entity, send to separate to subscriber equipment and accept message, notice is separated the module of finishing.
14., it is characterized in that be used for sending message by evolution base station to subscriber equipment, the module that the indication subscriber equipment carries out the selection of circuit domain residential quarter comprises according to claim 11 or 12 described devices:
Be used for to receive the handover request that evolution base station sends, and and service universal grouping wireless business supporting node carry out the module of hand-off process.
15., it is characterized in that be used for sending message by evolution base station to subscriber equipment, the module that the indication subscriber equipment carries out the selection of circuit domain residential quarter comprises according to claim 11 or 12 described devices:
Be used for after the request of evolution base station reception acquisition cuicuit territory Access Network information, being transmitted to service universal grouping wireless business supporting node, and the circuit domain Access Network information that service universal grouping wireless business supporting node sends being transmitted to the module of evolution base station.
16. the method that subscriber equipment separates, described subscriber equipment is registered on packet field network and the circuit-domain network simultaneously, it is characterized in that, comprising:
Subscriber equipment sends first detach request to mobile management entity, wherein said first detach request carries type of separation, described type of separation indication only separates from packet field network, so that mobile management entity sends second detach request that indication separates from packet field network to mobile switching centre, so that after mobile switching centre receives described second detach request, remove the connection between mobile switching centre and the mobile management entity;
The message that the indication subscriber equipment that subscriber equipment reception mobile management entity sends by evolution base station carries out the selection of circuit domain residential quarter.
17. method according to claim 16 is characterized in that, also comprises:
The notice that subscriber equipment reception mobile management entity sends is separated the separation of finishing and is accepted message.
18. according to the described method of claim 17, it is characterized in that, also comprise:
Subscriber equipment receive separate accept message after, initiatively select proper cell and be linked into network.
19. the device that subscriber equipment separates, described subscriber equipment is registered on packet field network and the circuit-domain network simultaneously, it is characterized in that, comprising:
Be used for sending to mobile management entity the module of first detach request, wherein said first detach request carries type of separation, described type of separation indication only separates from packet field network, so that mobile management entity sends second detach request that indication separates from packet field network to mobile switching centre, so that after mobile switching centre receives described second detach request, remove the connection between mobile switching centre and the mobile management entity;
Be used for to receive the module of message that indication subscriber equipment that mobile management entity sends by evolution base station carries out the selection of circuit domain residential quarter.
20. device according to claim 19 is characterized in that, also comprises:
The notice that is used for the transmission of reception mobile management entity is separated the module that message is accepted in the separation of finishing.
21. according to the described method of claim 20, it is characterized in that, also comprise:
Be used for receiving separate accept message after, initiatively select proper cell and be linked into the module of network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310162966.0A CN103260261B (en) | 2008-06-17 | 2008-06-17 | The method of subscriber equipment separation and equipment thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100678762A CN101610458B (en) | 2008-06-17 | 2008-06-17 | Method and equipment for separating user equipment |
| CN201310162966.0A CN103260261B (en) | 2008-06-17 | 2008-06-17 | The method of subscriber equipment separation and equipment thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100678762A Division CN101610458B (en) | 2008-06-17 | 2008-06-17 | Method and equipment for separating user equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103260261A true CN103260261A (en) | 2013-08-21 |
| CN103260261B CN103260261B (en) | 2016-09-07 |
Family
ID=48963887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310162966.0A Active CN103260261B (en) | 2008-06-17 | 2008-06-17 | The method of subscriber equipment separation and equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103260261B (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1889756B (en) * | 2005-07-16 | 2010-05-12 | 华为技术有限公司 | Method for double-mode terminal switching between block field and circuit field |
-
2008
- 2008-06-17 CN CN201310162966.0A patent/CN103260261B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103260261B (en) | 2016-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101610458B (en) | Method and equipment for separating user equipment | |
| US9706530B2 (en) | Communication system, method, and apparatus | |
| CN101448287B (en) | Method for realizing switching of user equipment crossing access network in activated state | |
| KR101803253B1 (en) | Support of cs fallback in an evolved packet system | |
| EP3407642A1 (en) | Method, apparatus, and system for selecting public land mobile network | |
| EP2795958B1 (en) | Methods and apparatus for controlling circuit switched fall back of a mobile station from e-utran to utran/geran in a full-multi-operator core network | |
| CN102547891A (en) | Method for realizing circuit switched fallback business and terminal with double receiving modes | |
| EP2916593A1 (en) | Method, device and system for regressing to long term evolution (lte) network | |
| EP3755058A1 (en) | Routing selection method, apparatus, device and system, and storage medium | |
| EP2876910B1 (en) | Charging information processing method, apparatus, and system | |
| CN103348732A (en) | Method and device in a telecommunications system | |
| CN101400093B (en) | Method and system for distributing interRAT-offset | |
| CN103260261A (en) | Method and device for separating user equipment | |
| WO2014048455A1 (en) | Method for moving back a ue to a preferred communication network after the completion of a cs fallback call | |
| CN102714878B (en) | Method for releasing resource, the network equipment and network system | |
| CN102342155B (en) | Method for circuit switched fallback, user equipment and mobile management entity | |
| KR102143446B1 (en) | Authentication apparatus in wireless communication system, method thereof and computer recordable medium storing the method | |
| CN102612102A (en) | Method and system for CS (circuit switched) domain control network element to acquire information of PS (packet switched) domain control network element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |