CN113490200A - CSFB calling method, MME, electronic device and medium - Google Patents
CSFB calling method, MME, electronic device and medium Download PDFInfo
- Publication number
- CN113490200A CN113490200A CN202110942641.9A CN202110942641A CN113490200A CN 113490200 A CN113490200 A CN 113490200A CN 202110942641 A CN202110942641 A CN 202110942641A CN 113490200 A CN113490200 A CN 113490200A
- Authority
- CN
- China
- Prior art keywords
- mobile terminal
- msc
- information
- calling
- cell
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/00835—Determination of neighbour cell lists
Abstract
The present disclosure provides a CSFB calling method, an MME, an electronic device, and a computer-readable storage medium, the method comprising: the MME receives an extended service request which is sent by the mobile terminal when a calling party demands, wherein the extended service request comprises called number information; sending a mobile terminal drop cell indication to a base station to enable the mobile terminal to drop back to a proper cell; and sending a first call request to the calling MSC according to the called number information so as to enable the calling MSC to inquire the current position information of the called number to the HLR to obtain the called MSC information, and enabling the calling MSC to send a second call request to the called MSC after the calling MSC receives the position updating message of the mobile terminal so as to enable the called MSC to send a third call request to the called number. According to the technical scheme, when the mobile terminal initiates a call, the MME indicates the mobile terminal to perform cell fallback and sends a call request to the MSC, CSFB calling time is shortened, and user experience is improved.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a CSFB calling method, an MME, an electronic device, and a computer-readable storage medium.
Background
A typical CSFB (Circuit Switched Fallback) service flow mainly includes joint attachment, location update, a calling CSFB flow, a called CSFB flow, and detach. After the joint attachment is successful, the user with the CSFB capability can process the circuit domain service in an LTE (Long Term Evolution) network. At present, in a CSFB caller implementation procedure, when a mobile terminal has a caller requirement, the mobile terminal sends an extended service request to an MME, the MME (Mobility Management Entity) sends a mobile terminal fallback cell indication to an eNB (evolved Node B), the eNB sends configured fallback cell information to the mobile terminal, the mobile terminal performs fallback cell measurement and sends a measurement result to the eNB, the eNB determines a suitable fallback cell and sends the information to the mobile terminal, the mobile terminal falls back to a suitable cell, if the fallback cell is not consistent with a cell registered during joint attachment, the mobile terminal first needs to perform location update, a call is initiated after the location update is completed, the entire call flow is long, and user perception is not good.
Disclosure of Invention
The present disclosure provides a CSFB calling method, an MME, an electronic device, and a computer-readable storage medium, which are capable of instructing, by the MME, a mobile terminal to perform cell fallback when the mobile terminal initiates a call, and simultaneously sending a call request to an MSC, thereby shortening CSFB calling time and improving user experience.
In a first aspect, the present disclosure provides a CSFB calling method, applied to an MME, where the method includes:
receiving an extended service request sent by a mobile terminal when a calling party demands, wherein the extended service request comprises called number information;
sending a mobile terminal drop cell indication to a base station to enable the mobile terminal to drop back to a proper cell; and the number of the first and second groups,
a first call request is sent to a calling MSC (Mobile Switching Center) according to the called number information, so that the calling MSC queries the current Location information of the called number from an HLR (Home Location Register) to obtain the called MSC information, and after the calling MSC receives the Location update message of the Mobile terminal, the calling MSC sends a second call request to the called MSC, so that the called MSC sends a third call request to the called number according to the second call request.
Further, the sending the mobile terminal drop cell indication to the base station to drop the mobile terminal to a suitable cell includes:
sending a mobile terminal fallback cell indication to a base station so that the base station sends the configured fallback cell information to the mobile terminal, the mobile terminal performs fallback cell measurement according to the fallback cell information and then sends a measurement result to the base station, the base station determines a proper fallback cell according to the measurement result and then sends the proper fallback cell to the mobile terminal, the mobile terminal is made to fallback to the proper fallback cell, and the mobile terminal is made to perform position updating when the fallback cell is inconsistent with a cell registered during joint attachment.
Further, before receiving the extended service request sent by the mobile terminal when the calling party has a requirement, the method further includes:
receiving a joint attachment message of a mobile terminal;
and sending the information of the mobile terminal and the MME to VLR according to the joint attachment message so that the VLR stores the MME information, creates SGs association with the multimode card of the mobile terminal under the MME, and sends a position updating flow of the multimode card of the mobile terminal to the HLR according to the mobile terminal information to finish the joint attachment of the mobile terminal.
Further, the method further comprises:
and receiving call establishment completion information sent by the calling MSC, wherein the call establishment completion information is sent by the calling MSC after the called MSC sends a third call request to the called number according to the second call request and the called user answers the third call request, and the called MSC sends the call establishment information to the calling MSC.
In a second aspect, the present disclosure provides a mobility management entity MME, including:
the mobile terminal comprises a receiving module, a processing module and a processing module, wherein the receiving module is used for receiving an extended service request sent by the mobile terminal when a calling party demands, and the extended service request comprises called number information;
a sending module configured to send a mobile terminal drop cell indication to a base station to cause the mobile terminal to drop back to a suitable cell; and the number of the first and second groups,
and sending a first call request to the calling MSC according to the called number information so that the calling MSC queries the current position information of the called number from the Home Location Register (HLR) to obtain the called MSC information, and sending a second call request to the called MSC by the calling MSC after the calling MSC receives the position updating message of the mobile terminal so that the called MSC sends a third call request to the called number according to the second call request.
Further, the sending module is specifically configured to:
sending a mobile terminal fallback cell indication to a base station so that the base station sends the configured fallback cell information to the mobile terminal, the mobile terminal performs fallback cell measurement according to the fallback cell information and then sends a measurement result to the base station, the base station determines a proper fallback cell according to the measurement result and then sends the proper fallback cell to the mobile terminal, the mobile terminal is made to fallback to the proper fallback cell, and the mobile terminal is made to perform position updating when the fallback cell is inconsistent with a cell registered during joint attachment.
Further, the receiving module is also configured to be a joint attachment message of the mobile terminal;
the sending module is also configured to send the information of the mobile terminal and the MME to a Visitor Location Register (VLR) according to the joint attachment message, so that the VLR stores the information of the MME, creates an SGs association with a service general packet radio Service (SGs) of the multi-mode card of the mobile terminal under the MME, and sends a location update flow of the multi-mode card of the mobile terminal to the HLR according to the information of the mobile terminal, thereby completing the joint attachment of the mobile terminal.
Further, the receiving module is further configured to:
and receiving call establishment completion information sent by the calling MSC, wherein the call establishment completion information is sent by the calling MSC after the called MSC sends a third call request to the called number according to the second call request and the called user answers the third call request, and the called MSC sends the call establishment information to the calling MSC.
In a third aspect, the present disclosure also provides an electronic device, including a memory and a processor, where the memory stores a computer program, and when the processor runs the computer program stored in the memory, the processor executes the CSFB caller method according to any one of the first aspect.
In a fourth aspect, the present disclosure also provides a computer-readable storage medium comprising: computer program which, when run on a computer, causes the computer to perform a CSFB calling method as described in any one of the first aspects.
Has the advantages that:
the CSFB calling method, the MME, the electronic equipment and the computer readable storage medium provided by the present disclosure receive an extended service request sent by a mobile terminal when a calling request is available, wherein the extended service request comprises called number information; sending a mobile terminal drop cell indication to a base station to enable the mobile terminal to drop back to a proper cell; and sending a first call request to the calling MSC according to the called number information so that the calling MSC queries the HLR for the current position information of the called number to obtain the called MSC information, and sending a second call request to the called MSC by the calling MSC after the calling MSC receives the position updating message of the mobile terminal so that the called MSC sends a third call request to the called number according to the second call request. According to the technical scheme, when the mobile terminal initiates a call, the MME indicates the mobile terminal to perform cell fallback and sends a call request to the MSC, CSFB calling time is shortened, and user experience is improved.
Drawings
Fig. 1 is a flowchart illustrating a CSFB calling method according to a first embodiment of the present disclosure;
fig. 2 is an architecture diagram of an MME according to a second embodiment of the present disclosure;
fig. 3 is an architecture diagram of an electronic device according to a third embodiment of the disclosure.
Detailed Description
In order to make the technical solutions of the present disclosure better understood by those skilled in the art, the present disclosure is further described in detail below with reference to the accompanying drawings and examples.
In which the terminology used in the embodiments of the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in the disclosed embodiments and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
In the CSFB calling implementation process, when a mobile terminal has a calling requirement, the mobile terminal sends an expanded service request to an MME, and the MME sends a mobile terminal drop cell indication to an eNB to enable the mobile terminal to drop back to a proper cell.
The following describes the technical solutions of the present disclosure and how to solve the above problems in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 1 is a flowchart of a CSFB calling method provided in an embodiment of the present disclosure, which is applied to an MME, and as shown in fig. 1, the method includes:
step S101: receiving an extended service request sent by a mobile terminal when a calling party demands, wherein the extended service request comprises called number information;
step S102: sending a mobile terminal drop cell indication to a base station to enable the mobile terminal to drop back to a proper cell; and the number of the first and second groups,
step S103: and sending a first call request to the calling MSC according to the called number information so that the calling MSC queries the current position information of the called number from the HLR to obtain the called MSC information, and sending a second call request to the called MSC by the calling MSC after the calling MSC receives the position updating message of the mobile terminal so that the called MSC sends a third call request to the called number according to the second call request.
When the mobile terminal is started, the combined attachment process of the multi-mode card is started first, so that the mobile terminal can realize voice call through the CSFB process.
When the mobile terminal has a calling requirement, sending an extended service request to the MME, and adding called number information in the extended service request; the MME sends a mobile terminal drop cell indication to a base station (eNB) after receiving the service expansion request, so that the mobile terminal drops back to a proper cell; and simultaneously, sending a calling request to the calling MSC according to the called number information so that the calling MSC queries the current position information of the called number from the HLR and returns the MSC where the called number is currently located to the HLR, the calling MSC sends the calling request to the called MSC after receiving the position updating message of the mobile terminal, the called MSC sends the calling request to the called number, and meanwhile, the calling MSC sends a ring back tone to the mobile terminal. The second call request is a call to the called MSC according to the current normal flow after the calling MSC acquires the MSC where the called number is currently located, and the third call request is the same as the current flow.
In the current CSFB caller implementation flow, in the 4G network, the called number is not sent to the MME, that is, the extended service request received by the MME does not include the called number information, but after the terminal completes the fallback, and performs location update, the called number is obtained, and the call is initiated.
Further, the sending the mobile terminal drop cell indication to the base station, so that the mobile terminal drops back to a suitable cell includes:
sending a mobile terminal fallback cell indication to a base station so that the base station sends the configured fallback cell information to the mobile terminal, the mobile terminal performs fallback cell measurement according to the fallback cell information and sends a measurement result to the base station, the base station determines a proper fallback cell according to the measurement result and sends the proper fallback cell to the mobile terminal, the mobile terminal falls back to the proper fallback cell, and if the fallback cell is not consistent with a cell registered during joint attachment, the mobile terminal performs position updating.
After receiving the service expansion request, the MME sends a mobile terminal fallback cell indication to the base station, i.e. the eNB, so that the mobile terminal normally performs cell fallback, and in the fallback process, if the fallback cell is not consistent with the cell registered during the joint attachment, the mobile terminal first needs to perform location update.
Further, before receiving the extended service request sent by the mobile terminal when the calling party has a requirement, the method further includes:
receiving a joint attachment message of a mobile terminal;
and sending the information of the mobile terminal and the MME to VLR according to the joint attachment message so that the VLR stores the MME information, creates SGs association with the 4G multi-mode card of the mobile terminal under the MME, and sends a position updating flow of the mobile terminal multi-mode card to the HLR according to the mobile terminal information to finish the joint attachment of the mobile terminal.
The mobile terminal can be jointly attached when being started, and the specific process comprises the following steps: a multi-mode card (4G multi-mode card) of the mobile terminal sends an Attach Request message to an MME, wherein a parameter Attach Type indicates that the Attach Request message is a combined EPS/IMSI Attach flow, and the parameter indicates that the UE has a CS Fallback (circuit switched Fallback) capability; the MME sends an SGsAP-LOCATION UPDATE-REQUEST message to the MSC/VLR, wherein the message comprises parameters such as new LAI (LOCATION Area Identity), IMSI (International Mobile Subscriber Identity) of the 4G multi-mode card, MME name (MME Identity) and LOCATION UPDATE Type (LOCATION UPDATE Type); the MSC/VLR stores MME information and establishes association with SGs (Serving General Packet Radio Service) of the user under the MME; MSC/VLR initiates the location updating flow of HLR according to the user information and the location area information; MSC/VLR returns confirmation information to MME, the confirmation information includes LAI information and each cell identification information; and the MME sends an Attach Accept message to the mobile terminal to complete the joint attachment. The mobile terminal completes the joint attachment and can realize the voice call through the CSFB flow.
Further, the method further comprises:
and receiving call establishment completion information sent by the calling MSC, wherein the call establishment completion information is sent by the calling MSC after the called MSC sends a third call request to the called number according to the second call request and the called user answers the third call request, and the called MSC sends the call establishment information to the calling MSC.
According to the embodiment of the disclosure, when the mobile terminal initiates a call, the MME indicates the mobile terminal to perform cell fallback and sends a call request to the MSC, so that the CSFB calling time is shortened, and the user experience is improved.
Fig. 2 is an architecture diagram of an MME according to a second embodiment of the present disclosure, as shown in fig. 2, including:
the mobile terminal comprises a receiving module 11, a processing module and a processing module, wherein the receiving module is used for receiving an extended service request sent by the mobile terminal when a calling party demands, and the extended service request comprises called number information;
a sending module 12 configured to send a mobile terminal drop cell indication to the base station, so that the mobile terminal drops back to a suitable cell; and the number of the first and second groups,
and sending a first call request to the calling MSC according to the called number information so that the calling MSC queries the current position information of the called number from the Home Location Register (HLR) to obtain the called MSC information, and sending a second call request to the called MSC by the calling MSC after the calling MSC receives the position updating message of the mobile terminal so that the called MSC sends a third call request to the called number according to the second call request.
Further, the sending module 12 is specifically configured to:
sending a mobile terminal fallback cell indication to a base station so that the base station sends the configured fallback cell information to the mobile terminal, the mobile terminal performs fallback cell measurement according to the fallback cell information and then sends a measurement result to the base station, the base station determines a proper fallback cell according to the measurement result and then sends the proper fallback cell to the mobile terminal, the mobile terminal is made to fallback to the proper fallback cell, and the mobile terminal is made to perform position updating when the fallback cell is inconsistent with a cell registered during joint attachment.
Further, the receiving module 11 is further configured to set a joint attach message of the mobile terminal;
the sending module 12 is further configured to send the information of the mobile terminal and the MME to the visitor location register VLR according to the joint attachment message, so that the VLR stores the MME information, creates an association with a serving general packet radio service SGs of the multimode card of the mobile terminal under the MME, and sends a location update procedure of the multimode card of the mobile terminal to the HLR according to the mobile terminal information, thereby completing the joint attachment of the mobile terminal.
Further, the receiving module 11 is further configured to:
and receiving call establishment completion information sent by the calling MSC, wherein the call establishment completion information is sent by the calling MSC after the called MSC sends a third call request to the called number according to the second call request and the called user answers the third call request, and the called MSC sends the call establishment information to the calling MSC.
The MME of the embodiment of the present disclosure is used to implement the CSFB calling method in the first method embodiment, so the description is simpler, and reference may be specifically made to the related description in the first method embodiment, and details are not described here again.
Furthermore, as shown in fig. 3, a third embodiment of the present disclosure further provides an electronic device, which includes a memory 10 and a processor 20, where the memory 10 stores a computer program, and when the processor 20 runs the computer program stored in the memory 10, the processor 20 executes the above-mentioned various possible CSFB calling methods.
The memory 10 is connected to the processor 20, the memory 10 may be a flash memory, a read-only memory or other memories, and the processor 20 may be a central processing unit or a single chip microcomputer.
In addition, the embodiments of the present disclosure also provide a computer-readable storage medium, in which computer-executable instructions are stored, and when at least one processor of the user equipment executes the computer-executable instructions, the user equipment executes the above-mentioned various possible methods.
Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an ASIC (Application Specific Integrated Circuit). Additionally, the ASIC may reside in user equipment. Of course, the processor and the storage medium may reside as discrete components in a communication device.
It is to be understood that the above embodiments are merely exemplary embodiments that are employed to illustrate the principles of the present disclosure, and that the present disclosure is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the disclosure, and these are to be considered as the scope of the disclosure.
Claims (10)
1. A Circuit Switched Fallback (CSFB) calling method is applied to a Mobility Management Entity (MME), and comprises the following steps:
receiving an extended service request sent by a mobile terminal when a calling party demands, wherein the extended service request comprises called number information;
sending a mobile terminal drop cell indication to a base station to enable the mobile terminal to drop back to a proper cell; and the number of the first and second groups,
sending a first call request to a calling Mobile Switching Center (MSC) according to the called number information so that the calling MSC queries the current position information of the called number from a Home Location Register (HLR) to obtain the called MSC information, and sending a second call request to the called MSC by the calling MSC after the calling MSC receives the position updating information of the mobile terminal so that the called MSC sends a third call request to the called number according to the second call request.
2. The method of claim 1, wherein sending a mobile terminal drop-back cell indication to the base station to cause the mobile terminal to drop back to a suitable cell comprises:
sending a mobile terminal fallback cell indication to a base station so that the base station sends the configured fallback cell information to the mobile terminal, the mobile terminal performs fallback cell measurement according to the fallback cell information and then sends a measurement result to the base station, the base station determines a proper fallback cell according to the measurement result and then sends the proper fallback cell to the mobile terminal, the mobile terminal is made to fallback to the proper fallback cell, and the mobile terminal is made to perform position updating when the fallback cell is inconsistent with a cell registered during joint attachment.
3. The method of claim 1, further comprising, before receiving the extended service request sent by the mobile terminal when the mobile terminal has a calling requirement:
receiving a joint attachment message of a mobile terminal;
and sending the self information of the mobile terminal and the MME to a Visitor Location Register (VLR) according to the joint attachment message so that the VLR stores the information of the MME, creates an SGs association with the service general packet radio Service (SGs) of the multi-mode card of the mobile terminal under the MME, and initiates a position updating flow of the multi-mode card of the mobile terminal to the HLR according to the information of the mobile terminal so as to finish the joint attachment of the mobile terminal.
4. The method according to claim 1 or 2, characterized in that the method further comprises:
and receiving call establishment completion information sent by the calling MSC, wherein the call establishment completion information is sent by the calling MSC after the called MSC sends a third call request to the called number according to the second call request and the called user answers the third call request, and the called MSC sends the call establishment information to the calling MSC.
5. A mobility management entity, MME, comprising:
the mobile terminal comprises a receiving module, a processing module and a processing module, wherein the receiving module is used for receiving an extended service request sent by the mobile terminal when a calling party demands, and the extended service request comprises called number information;
a sending module configured to send a mobile terminal drop cell indication to a base station to cause the mobile terminal to drop back to a suitable cell; and the number of the first and second groups,
sending a first call request to a calling Mobile Switching Center (MSC) according to the called number information so that the calling MSC queries the current position information of the called number from a Home Location Register (HLR) to obtain the called MSC information, and sending a second call request to the called MSC by the calling MSC after the calling MSC receives the position updating information of the mobile terminal so that the called MSC sends a third call request to the called number according to the second call request.
6. The MME of claim 5, wherein the sending module is specifically configured to:
sending a mobile terminal fallback cell indication to a base station so that the base station sends the configured fallback cell information to the mobile terminal, the mobile terminal performs fallback cell measurement according to the fallback cell information and then sends a measurement result to the base station, the base station determines a proper fallback cell according to the measurement result and then sends the proper fallback cell to the mobile terminal, the mobile terminal is made to fallback to the proper fallback cell, and the mobile terminal is made to perform position updating when the fallback cell is inconsistent with a cell registered during joint attachment.
7. The MME of claim 5,
the receiving module is also set as a joint attachment message of the mobile terminal;
the sending module is also configured to send the information of the mobile terminal and the MME to a Visitor Location Register (VLR) according to the joint attachment message, so that the VLR stores the information of the MME, creates an SGs association with a service general packet radio Service (SGs) of the multi-mode card of the mobile terminal under the MME, and sends a location update flow of the multi-mode card of the mobile terminal to the HLR according to the information of the mobile terminal, thereby completing the joint attachment of the mobile terminal.
8. The MME of claim 5 or 6, wherein the receiving module is further configured to:
and receiving call establishment completion information sent by the calling MSC, wherein the call establishment completion information is sent by the calling MSC after the called MSC sends a third call request to the called number according to the second call request and the called user answers the third call request, and the called MSC sends the call establishment information to the calling MSC.
9. An electronic device, comprising a memory having a computer program stored therein and a processor, wherein when the processor executes the computer program stored by the memory, the processor performs the CSFB caller method as recited in any one of claims 1-4.
10. A computer-readable storage medium, comprising: computer program which, when run on a computer, causes the computer to perform the CSFB calling method as claimed in any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110942641.9A CN113490200B (en) | 2021-08-17 | 2021-08-17 | CSFB calling method, MME, electronic device and medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110942641.9A CN113490200B (en) | 2021-08-17 | 2021-08-17 | CSFB calling method, MME, electronic device and medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113490200A true CN113490200A (en) | 2021-10-08 |
| CN113490200B CN113490200B (en) | 2022-08-26 |
Family
ID=77945545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110942641.9A Active CN113490200B (en) | 2021-08-17 | 2021-08-17 | CSFB calling method, MME, electronic device and medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113490200B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101715178A (en) * | 2008-10-08 | 2010-05-26 | 中兴通讯股份有限公司 | Number portability implementation method and device and calling implementation method and device of user terminal |
| CN101720078A (en) * | 2008-10-09 | 2010-06-02 | 中国移动通信集团公司 | Number dddressing method of telecommunication network, number routing module and system |
| CN101964965A (en) * | 2009-07-23 | 2011-02-02 | 华为技术有限公司 | Method, device and system for returning voice call to circuit switching domain |
| US20130083726A1 (en) * | 2011-10-03 | 2013-04-04 | Puneet K. Jain | Small data transmission techniques in a wireless communication network |
| WO2016064319A1 (en) * | 2014-10-21 | 2016-04-28 | Telefonaktiebolaget L M Ericsson (Publ) | Handling handover of an ue in case cell specific reference signals interfer with a physical downlink control channel |
| EP3070901A1 (en) * | 2015-03-16 | 2016-09-21 | Alcatel Lucent | Communication device authentication in small cell network |
| CN110324816A (en) * | 2019-07-11 | 2019-10-11 | 中国联合网络通信集团有限公司 | A kind of CSFB caller method, system and mobile terminal |
| CN110337128A (en) * | 2019-07-25 | 2019-10-15 | 中国联合网络通信集团有限公司 | Cell falling-back method and system |
| CN110351802A (en) * | 2019-08-27 | 2019-10-18 | 中国联合网络通信集团有限公司 | The method and apparatus for sending paging request |
| CN110366222A (en) * | 2019-07-22 | 2019-10-22 | 中国联合网络通信集团有限公司 | A kind of mobile terminal CSFB optimization method and system |
| CN110392391A (en) * | 2019-07-23 | 2019-10-29 | 中国联合网络通信集团有限公司 | Cell falling-back method and terminal device |
| CN112995975A (en) * | 2021-02-24 | 2021-06-18 | 中国联合网络通信集团有限公司 | Joint attachment optimization method, mobile terminal and network system |
-
2021
- 2021-08-17 CN CN202110942641.9A patent/CN113490200B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101715178A (en) * | 2008-10-08 | 2010-05-26 | 中兴通讯股份有限公司 | Number portability implementation method and device and calling implementation method and device of user terminal |
| CN101720078A (en) * | 2008-10-09 | 2010-06-02 | 中国移动通信集团公司 | Number dddressing method of telecommunication network, number routing module and system |
| CN101964965A (en) * | 2009-07-23 | 2011-02-02 | 华为技术有限公司 | Method, device and system for returning voice call to circuit switching domain |
| US20130083726A1 (en) * | 2011-10-03 | 2013-04-04 | Puneet K. Jain | Small data transmission techniques in a wireless communication network |
| WO2016064319A1 (en) * | 2014-10-21 | 2016-04-28 | Telefonaktiebolaget L M Ericsson (Publ) | Handling handover of an ue in case cell specific reference signals interfer with a physical downlink control channel |
| EP3070901A1 (en) * | 2015-03-16 | 2016-09-21 | Alcatel Lucent | Communication device authentication in small cell network |
| CN110324816A (en) * | 2019-07-11 | 2019-10-11 | 中国联合网络通信集团有限公司 | A kind of CSFB caller method, system and mobile terminal |
| CN110366222A (en) * | 2019-07-22 | 2019-10-22 | 中国联合网络通信集团有限公司 | A kind of mobile terminal CSFB optimization method and system |
| CN110392391A (en) * | 2019-07-23 | 2019-10-29 | 中国联合网络通信集团有限公司 | Cell falling-back method and terminal device |
| CN110337128A (en) * | 2019-07-25 | 2019-10-15 | 中国联合网络通信集团有限公司 | Cell falling-back method and system |
| CN110351802A (en) * | 2019-08-27 | 2019-10-18 | 中国联合网络通信集团有限公司 | The method and apparatus for sending paging request |
| CN112995975A (en) * | 2021-02-24 | 2021-06-18 | 中国联合网络通信集团有限公司 | Joint attachment optimization method, mobile terminal and network system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113490200B (en) | 2022-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110300437B (en) | Method, terminal and system for shortening CSFB (Circuit switched fallback) cell fall-back time | |
| CN110392391B (en) | Cell fallback method and terminal equipment | |
| CN110337128B (en) | Cell fallback method and system | |
| CN110138580B (en) | PDU session updating method and network side equipment | |
| CN110234176B (en) | Method and device for dynamic association of double-card mobile terminal | |
| CA2587341A1 (en) | Selective disablement of mobile communication equipment capabilities | |
| CN105165038B (en) | The method and apparatus of calling circulation for avoiding | |
| CN110049524B (en) | Mobile terminal and method for falling back to cell | |
| CN110351800B (en) | Method and system for redundant joint attachment | |
| US20150156687A1 (en) | Method and Apparatus for Displaying Network Name | |
| CN111787641B (en) | Method, system, computer device and storage medium for CSFB call establishment | |
| CN110418436B (en) | Method and system for re-associating double cards of mobile terminal | |
| CN112995975B (en) | Combined attachment optimization method, mobile terminal and network system | |
| EP1116404A1 (en) | Mobility management procedure with indicator specifying core network entity | |
| CN110351802B (en) | Method and device for sending paging request | |
| CN110267319B (en) | LTE network returning method based on position, mobile terminal and system | |
| CN113490200B (en) | CSFB calling method, MME, electronic device and medium | |
| CN113950114B (en) | Blind redirection fallback method, base station, terminal and network system | |
| CN112203265B (en) | Context information reconstruction method, MME, MSC/VLR and HSS | |
| CN111314846B (en) | Mobile terminal joint attachment method and system, storage medium and mobile terminal | |
| WO2007117825A2 (en) | Method for routing calls in a mobile communication network | |
| CN110557796B (en) | Method and apparatus for returning to long term evolution network | |
| CN110300436B (en) | Method and device for reminding missed call in CSFB call failure | |
| CN110324816B (en) | CSFB calling method, system and mobile terminal | |
| CN111836362A (en) | Method and device for establishing call |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |