CN110366222A - A kind of mobile terminal CSFB optimization method and system - Google Patents
A kind of mobile terminal CSFB optimization method and system Download PDFInfo
- Publication number
- CN110366222A CN110366222A CN201910660248.3A CN201910660248A CN110366222A CN 110366222 A CN110366222 A CN 110366222A CN 201910660248 A CN201910660248 A CN 201910660248A CN 110366222 A CN110366222 A CN 110366222A
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- mobile terminal
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- 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
-
- 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
- H04W36/0079—Transmission or use of information for re-establishing the radio link in case of hand-off failure or rejection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/005—Transmission of information for alerting of incoming communication
-
- 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
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Abstract
The present invention provides a kind of mobile terminal CSFB optimization method, comprising: the 4G multimode card start-up of mobile terminal combines attachment flow；When there is incoming call mobile terminal, judge whether that meeting mobile terminal falls the event netted to 3G/2G after rise；If so, the CSFB of starting mobile terminal falls process after rise, call is established after falling mobile terminal to 3G/2G network after rise；If it is not, then falling process after rise without the CSFB of mobile terminal, mobile terminal is not fallen after rise to 3G/2G network.The present invention also provides corresponding systems.When mobile terminal CSFB optimization method of the present invention and system make called subscriber receive calls unresponsive or refusal of sending a telegram here, mobile terminal does not need first to fall back to 3G/2G network, return again to 4G net, it avoids unnecessary CSFB and falls operation after rise, reduce the exception of communications status caused by CSFB process repeatedly, and terminal and internetwork resource are saved, communication efficiency is improved.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of mobile terminal CSFB optimization method and a kind of movement
Terminal CSFB optimization system.
Background technique
Multimode single deck tape-recorder mobile terminal refers to only one usim card slot of mobile terminal, installs the usim card of an operator,
Various network communications mode service is provided, 2G (GSM), 3G (CDMA/WCDMA/TD-SCDMA), 4G (TD-LTE/ are generally comprised
FDD-LTE) etc.；It, can not since each mobile communications network is especially newly-built 4G mobile communications network covering and imperfect
It supports ubiquitous access, therefore, between different mobile communication network needs to provide continuously by interaction for mobile subscriber
Service.
Currently, mobile terminal mostly uses greatly 4G multimode card, and 4G multimode card selects CSFB (Circuit Switched
Fallback, circuit domain dropping) technology realization voice communication, CSFB call includes that CSFB falls stage, the side 3G/2G RRC after rise
(Radio Resource Control, wireless heterogeneous networks) access phase and call establishment stage, wherein CSFB falls the stage after rise
Including different system cell measurement, reporting measurement reports etc., the side 3G/2G RRC access phase includes synchronous, system message reading, RRC
Establish etc.；CSFB process is complicated, and call set-up time is long, conventional CSFB process, when mobile terminal receives MME
After the paging request that (Mobility Management Entity, mobility management entity) is sent, mobile terminal is required back
3G/2G network is fallen on, again returns to 4G network after carrying out relevant operation, and when called subscriber connects unresponsive or refusal of sending a telegram here
When answering a call, mobile terminal first falls back to 3G/2G network, is linked into 4G network again after carrying out relevant operation, heterogeneous networks it
Between the operation that switches over, not only waste Internet resources, but also keep user experience bad.
Summary of the invention
It receives calls at least partly solve called subscriber existing in the prior art to unresponsive or refusal of sending a telegram here
When, it is also desirable to the technical issues of first falling back to 3G/2G network, returning again to 4G net, lead to network resources waste and complete this hair
It is bright.
Solving technical solution used by present invention problem is: the present invention provides a kind of optimization side mobile terminal CSFB
Method, comprising:
The 4G multimode card start-up of mobile terminal combines attachment flow；
When there is incoming call mobile terminal, judge whether that meeting mobile terminal falls the event netted to 3G/2G after rise；If
It is the CSFB falling process for then starting mobile terminal, call is established after falling mobile terminal to 3G/2G network after rise；If it is not, then not
The CSFB for starting mobile terminal falls process after rise, and mobile terminal is not fallen after rise to 3G/2G network.
Further, the detailed process of incoming call mobile terminal includes:
When there is incoming call mobile terminal, the Call-Establish-Success rate equipment of master home is according to HLR (Home
Location Register, home location register) to called MS C, (Mobile Switching Center is moved location information
Dynamic switching centre) call request is sent, it include calling number and called number in call request；
Called MS C sends paging request to MME according to called number, includes dialing number information in the paging request；
MME will include that the paging request of dialing number information is sent to mobile terminal；
Mobile terminal pops up incoming call prompting frame, and prompting frame includes incoming call calling number, Answer Key and refusal key.
Further, judge whether to meet mobile terminal and fall after rise to the event that 3G/2G is netted and include:
After mobile terminal pops up incoming call prompting frame, if user presses Answer Key, mobile terminal is activated business to MME transmission and is asked
Seek message and establish connection with called MS C, then determine have occurred meet mobile terminal fall after rise to 3G/2G net event.
Further, judge whether to meet mobile terminal and fall after rise to the event that 3G/2G is netted and include:
After mobile terminal pops up incoming call prompting frame,
If user presses refusal key, mobile terminal sends refusal incoming message to MME, and MME, which sends refusal to called MS C, to be come
Electric message；
Alternatively, MME sends release incoming message to called MS C if user's unresponsive time is more than preset duration；
Then determine that not meeting mobile terminal falls the event netted to 3G/2G after rise.
According to another aspect of the present invention, the present invention also provides a kind of mobile terminal CSFB optimization systems, comprising: attachment mould
Block, judgment module and processing module；
The attachable module is used to start the 4G multimode card joint attachment flow of mobile terminal；
The judgment module is used for when there is incoming call mobile terminal, judge whether to meet mobile terminal fall after rise to
The event of 3G/2G net；
The processing module falls process after rise for starting the CSFB of mobile terminal when judgment module is judged as YES, and makes to move
Terminal establishes call after falling after rise to 3G/2G network；And do not start when judgment module is judged as NO mobile terminal CSFB return
Process is fallen, does not fall mobile terminal to 3G/2G network after rise.
Further, mobile terminal CSFB optimization system further includes calling module；
When there is incoming call mobile terminal, the calling module is used to control the Call-Establish-Success rate equipment of master home
Call request is sent to called MS C according to HLR location information, includes calling number and called number in call request；
The calling module is also used to control called MS C and sends paging request, the paging letter to MME according to called number
It include dialing number information in breath；Also,
Control MME will include that the paging request of dialing number information is sent to mobile terminal；And
It controls mobile terminal and pops up incoming call prompting frame, prompting frame includes incoming call calling number, Answer Key and refusal key.
Further, judgment module, which judges whether to meet mobile terminal and falls after rise to the event that 3G/2G is netted, includes:
After mobile terminal pops up incoming call prompting frame, if user presses Answer Key, mobile terminal is activated business to MME transmission and is asked
Seek message and establish connection with called MS C, then determine have occurred meet mobile terminal fall after rise to 3G/2G net event.
Further, judgment module, which judges whether to meet mobile terminal and falls after rise to the event that 3G/2G is netted, includes:
After mobile terminal pops up incoming call prompting frame,
If user presses refusal key, mobile terminal sends refusal incoming message to MME, and MME, which sends refusal to called MS C, to be come
Electric message；
Alternatively, if user's unresponsive time be more than preset duration after, MME to called MS C send release incoming message；
Then determine that not meeting mobile terminal falls the event netted to 3G/2G after rise.
The utility model has the advantages that
Mobile terminal CSFB optimization method of the present invention and system are by shifting to an earlier date calling number by call information
It is sent to mobile terminal, before the CSFB of starting mobile terminal falls process after rise, first judges whether mobile terminal has been answered incoming call and exhaled
It cries, when called subscriber being made to receive calls unresponsive or refusal of sending a telegram here, mobile terminal does not need first to fall back to 3G/2G network,
4G net is returned again to, unnecessary CSFB is avoided and falls operation after rise, reduces the exception of communications status caused by CSFB process repeatedly,
And terminal and internetwork resource are saved, communication efficiency is improved.
Detailed description of the invention
Fig. 1 is a kind of flow chart for mobile terminal CSFB optimization method that the embodiment of the present invention one provides；
Fig. 2 is a kind of architecture diagram of mobile terminal CSFB optimization system provided by Embodiment 2 of the present invention；
Fig. 3 is the architecture diagram of another mobile terminal CSFB optimization system provided by Embodiment 2 of the present invention.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawings and examples to this
Invention is described in further detail.
Embodiment one
The present invention provides a kind of mobile terminal CSFB optimization method, comprising:
Step S1: the 4G multimode card start-up of mobile terminal combines attachment flow；
Step S2: judging whether there is incoming call mobile terminal, if it is not, then return step S2 continues to judge；If so, into
Row step S3；
Step S3: judge whether that meeting mobile terminal falls after rise to circuit domain event, if it is not, not starting mobile terminal then
CSFB fall after rise process, return step S2；；If so, carrying out step S4；
Step S4: the CSFB for starting mobile terminal falls process after rise, and mobile terminal, which falls after rise to 3G/2G network to establish, to be conversed.
After mobile terminal-opening, start the joint attachment flow of 4G multimode card, so that mobile terminal can pass through
CSFB process realizes voice communication；Mobile terminal 4G multimode card sends Attach Request (attach request) message to MME,
Middle parameter Attach Type (type of attachment) indicates that this is united EPS (Evolved Packet Core, a point for evolution
Group system)/IMSI (International Mobile Subscriber Identity, international mobile subscriber identity) attachment
Process, and parameter instruction UE (User Equipment, user equipment) has CS Fallback (circuit domain dropping) ability；
MME sends SGsAP-LOCATION-UPDATE-REQUEST (requirement of SGsAP location updating) message and gives MSC/VLR (Visited
Location Register, VLR Visitor Location Register), it include new LAI (Location Area Identify, position in message
Set area's mark), (International Mobile Subscriber Identity, the world is mobile to be used by the IMSI of 4G multimode card
Family identification code), the parameters such as MME name (MME mark) and Location Update Type (location updating type)；MSC/VLR
MME information is stored, and is created and the SGs of this user under MME (Serving General Packet Radio Service, clothes
Business General Packet Radio Service) association；MSC/VLR initiates the location updating stream for arriving HLR according to user information and location area information
Journey；MSC/VLR returns to confirmation message to MME；MME sends Attach Accept (attachment receives) message to mobile terminal, completes
Joint attachment.After the completion of joint attachment, mobile terminal can be by LET (Long Term Evolution, long term evolution)
Network and 3G/2G network switching realize data traffic business and voice calling service.
When there is incoming call mobile terminal, by first judging whether that meeting mobile terminal falls after rise to 3G/2G net
Event when determining that mobile terminal will handle voice calling service, then carries out CSFB and falls process after rise, it can be ensured that mobile terminal will not
Invalid Network handover operations are carried out, the CSFB falling process of mobile terminal is consistent with existing normal process, falls back to 3G/2G
Network establishes call, thus avoids unnecessary CSFB and falls operation after rise, reduces and communicate shape caused by CSFB process repeatedly
State is abnormal, and saves terminal and internetwork resource overhead, improves communication efficiency.
Further, the detailed process of incoming call mobile terminal includes:
When there is incoming call mobile terminal, the Call-Establish-Success rate equipment of master home is according to HLR (Home
Location Register, home location register) to called MS C, (Mobile Switching Center is moved location information
Dynamic switching centre) call request is sent, it include calling number and called number in call request；
Called MS C sends paging request to MME according to called number, includes dialing number information in the paging request；
MME will include that the paging request of dialing number information is sent to mobile terminal；
Mobile terminal pops up incoming call prompting frame, and prompting frame includes incoming call calling number, Answer Key and refusal key.
In conventional call establishment process, usually after the completion of CSFB falling process, mobile terminal can just be received
Dialing number information, the present embodiment are sent to mobile terminal by increasing dialing number information in call request, make to move
Terminal can carry out whether answering operation accordingly according to calling number, then carry out judging whether to send out according to the operation of mobile terminal
The raw mobile terminal that meets falls the event netted to 3G/2G after rise, determines whether mobile terminal is fallen after rise.
Further, judge whether to meet mobile terminal and fall after rise to the event that 3G/2G is netted and include:
After mobile terminal pops up incoming call prompting frame, if user presses Answer Key, mobile terminal is activated business to MME transmission and is asked
Seek message and establish connection with called MS C, then determine have occurred meet mobile terminal fall after rise to 3G/2G net event.
After mobile terminal pops up incoming call prompting frame, user presses Answer Key, and mobile terminal, which is built, sends Extended
Service Request (request of activating business) message establishes connection to MME and with called MS C, then with standard CSFB process
The same: MME sends mobile terminal to eNB (evolved Node B, the node B of evolution) and falls cell instruction after rise；ENB is small falling after rise
Area's information is sent to mobile terminal and indicates to fall after rise according to blind handover mode；Mobile terminal carries out falling cell measurement, if surveyed
Amount result be suitble to be resident, mobile terminal falls back to the cell, otherwise mobile terminal to falling cell next in configuration information into
Row measurement；Mobile terminal is fallen back to after suitable cell if it is determined that cell ID and cell ID is inconsistent when combining attachment,
Then then advanced row location updating sends call setup information to MSC, establish call.
Further, judge whether to meet mobile terminal and fall after rise to the event that 3G/2G is netted and include:
After mobile terminal pops up incoming call prompting frame,
If user presses refusal key, mobile terminal sends refusal incoming message to MME, and MME, which sends refusal to called MS C, to be come
Electric message；
Alternatively, MME sends release incoming message to called MS C if user's unresponsive time is more than preset duration；
Then determine that not meeting mobile terminal falls the event netted to 3G/2G after rise.
After mobile terminal pops up incoming call prompting frame, if user presses refusal key, refuse incoming call answering, then MME is to quilt
It makes MSC send refusal incoming message, then judges that not meeting mobile terminal falls the event netted to 3G/2G after rise, mobile terminal is not
It is fallen after rise, call request terminates；Or after user's unresponsive time being more than preset duration, MME is sent to called MS C to be discharged
Incoming message, shows end of calling, also judges that not meeting mobile terminal falls the event netted to 3G/2G after rise；It is described unresponsive
Time starts timing after mobile terminal pops up prompting frame, and the preset duration in the present embodiment can be understood as disposable clock,
For example, 20 seconds, 25 seconds, 30 seconds etc., the present embodiment was not defined its specific preset duration.
Embodiment two
According to another aspect of the present invention, as shown in Fig. 2, the present invention also provides a kind of mobile terminal CSFB optimization system,
It include: attachable module 1, judgment module 2 and processing module 3；
The attachable module 1 is used to start the 4G multimode card joint attachment flow of mobile terminal；
The judgment module 2 is used for when there is incoming call mobile terminal, judges whether to meet mobile terminal falling
The event netted to 3G/2G；
The processing module 3 falls process after rise for starting the CSFB of mobile terminal when judgment module 2 is judged as YES, and makes to move
Dynamic terminal establishes call after falling after rise to 3G/2G network；And the CSFB of mobile terminal is not started when judgment module 2 is judged as NO
It falls process after rise, does not fall mobile terminal to 3G/2G network after rise.
Further, as shown in figure 3, mobile terminal CSFB optimization system further includes calling module 4；
When there is incoming call mobile terminal, the Call-Establish-Success rate that the calling module 4 is used to control master home is set
It is standby that call request is sent to called MS C according to HLR location information, it include calling number and called number in call request；
The calling module 4 is also used to control called MS C and sends paging request, the paging to MME according to called number
It include dialing number information in request；Also,
Control MME will include that the paging request of dialing number information is sent to mobile terminal；And
It controls mobile terminal and pops up incoming call prompting frame, prompting frame includes incoming call calling number, Answer Key and refusal key.
Further, judgment module 2, which judges whether to meet mobile terminal and falls after rise to the event that 3G/2G is netted, includes:
After mobile terminal pops up incoming call prompting frame, if user presses Answer Key, mobile terminal is activated business to MME transmission and is asked
Seek message and establish connection with called MS C, then determine have occurred meet mobile terminal fall after rise to 3G/2G net event.
Further, judgment module 2, which judges whether to meet mobile terminal and falls after rise to the event that 3G/2G is netted, includes:
After mobile terminal pops up incoming call prompting frame,
If user presses refusal key, mobile terminal sends refusal incoming message to MME, and MME, which sends refusal to called MS C, to be come
Electric message；
Alternatively, if user's unresponsive time be more than preset duration after, MME to called MS C send release incoming message；
Then determine that not meeting mobile terminal falls the event netted to 3G/2G after rise.
For this system embodiment, since it is substantially corresponding with embodiment of the method, so being described relatively simple, phase
Place is closed referring to the corresponding process in preceding method embodiment one, details are not described herein.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (8)
1. a kind of mobile terminal CSFB optimization method characterized by comprising
The 4G multimode card start-up of mobile terminal combines attachment flow；
When there is incoming call mobile terminal, judge whether that meeting mobile terminal falls the event netted to 3G/2G after rise；If so,
The CSFB for then starting mobile terminal falls process after rise, and call is established after falling mobile terminal to 3G/2G network after rise；If it is not, not opening then
The CSFB of dynamic mobile terminal falls process after rise, and mobile terminal is not fallen after rise to 3G/2G network.
2. mobile terminal CSFB optimization method according to claim 1, which is characterized in that the tool of incoming call mobile terminal
Body process includes:
When there is incoming call mobile terminal, the Call-Establish-Success rate equipment of master home is according to HLR location information to called MS C
Call request is sent, includes calling number and called number in call request；
Called MS C sends paging request to MME according to called number, includes dialing number information in the paging request；
MME will include that the paging request of dialing number information is sent to mobile terminal；
Mobile terminal pops up incoming call prompting frame, and prompting frame includes incoming call calling number, Answer Key and refusal key.
3. mobile terminal CSFB optimization method according to claim 2, which is characterized in that judge whether to occur to meet movement
Terminal is fallen after rise to the event that 3G/2G is netted
After mobile terminal pops up incoming call prompting frame, if user presses Answer Key, mobile terminal sends request of activating business to MME and disappears
Cease and and called MS C establish connection, then determine have occurred meet mobile terminal fall after rise to 3G/2G net event.
4. mobile terminal CSFB optimization method according to claim 2, which is characterized in that judge whether to occur to meet movement
Terminal is fallen after rise to the event that 3G/2G is netted
After mobile terminal pops up incoming call prompting frame,
If user presses refusal key, mobile terminal sends refusal incoming message to MME, and MME sends refusal incoming call to called MS C and disappears
Breath；
Alternatively, MME sends release incoming message to called MS C if user's unresponsive time is more than preset duration；
Then determine that not meeting mobile terminal falls the event netted to 3G/2G after rise.
5. a kind of mobile terminal CSFB optimization system characterized by comprising attachable module, judgment module and processing module；
The attachable module is used to start the 4G multimode card joint attachment flow of mobile terminal；
The judgment module is used for when there is incoming call mobile terminal, judges whether that meeting mobile terminal falls after rise to 3G/
The event of 2G net；
The processing module falls process after rise for starting the CSFB of mobile terminal when judgment module is judged as YES, and makes mobile terminal
Call is established after falling after rise to 3G/2G network；And the CSFB falling stream of mobile terminal is not started when judgment module is judged as NO
Journey does not fall mobile terminal to 3G/2G network after rise.
6. mobile terminal CSFB optimization system according to claim 5, which is characterized in that further include calling module；
When there is incoming call mobile terminal, the calling module be used to control the Call-Establish-Success rate equipment of master home according to
HLR location information sends call request to called MS C, includes calling number and called number in call request；
The calling module is also used to control called MS C and sends paging request to MME according to called number, in the paging request
Include dialing number information；Also,
Control MME will include that the paging request of dialing number information is sent to mobile terminal；And
It controls mobile terminal and pops up incoming call prompting frame, prompting frame includes incoming call calling number, Answer Key and refusal key.
7. mobile terminal CSFB optimization system according to claim 6, which is characterized in that judgment module judges whether to occur
Meet mobile terminal fall after rise to 3G/2G net event include:
After mobile terminal pops up incoming call prompting frame, if user presses Answer Key, mobile terminal sends request of activating business to MME and disappears
Cease and and called MS C establish connection, then determine have occurred meet mobile terminal fall after rise to 3G/2G net event.
8. mobile terminal CSFB optimization system according to claim 6, which is characterized in that judgment module judges whether to occur
Meet mobile terminal fall after rise to 3G/2G net event include:
After mobile terminal pops up incoming call prompting frame,
If user presses refusal key, mobile terminal sends refusal incoming message to MME, and MME sends refusal incoming call to called MS C and disappears
Breath；
Alternatively, if user's unresponsive time be more than preset duration after, MME to called MS C send release incoming message；
Then determine that not meeting mobile terminal falls the event netted to 3G/2G after rise.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111314958A (en) * | 2020-02-19 | 2020-06-19 | 中国联合网络通信集团有限公司 | LAU updating method and system of mobile terminal, storage medium and mobile terminal |
| WO2021115437A1 (en) * | 2019-12-13 | 2021-06-17 | 深圳市万普拉斯科技有限公司 | Rejection short message sending method and apparatus, and computer device and storage medium |
| CN113490200A (en) * | 2021-08-17 | 2021-10-08 | 中国联合网络通信集团有限公司 | CSFB calling method, MME, electronic device and medium |
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| CN113490200A (en) * | 2021-08-17 | 2021-10-08 | 中国联合网络通信集团有限公司 | CSFB calling method, MME, electronic device and medium |
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Application publication date: 20191022 |
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