CN108934048A - CS method of calling, device and user equipment - Google Patents
CS method of calling, device and user equipment Download PDFInfo
- Publication number
- CN108934048A CN108934048A CN201710380114.7A CN201710380114A CN108934048A CN 108934048 A CN108934048 A CN 108934048A CN 201710380114 A CN201710380114 A CN 201710380114A CN 108934048 A CN108934048 A CN 108934048A
- Authority
- CN
- China
- Prior art keywords
- calling
- conventional cell
- cell
- new wireless
- resident
- 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.)
- Pending
Links
Classifications
-
- 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
- H04W36/0027—Control or signalling for completing the hand-off for data sessions of end-to-end connection for a plurality of data sessions of end-to-end connections, e.g. multi-call or multi-bearer end-to-end data connections
-
- 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
- H04W36/14—Reselecting a network or an air interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/34—Reselection control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A kind of CS method of calling, device and user equipment, CS method of calling include：When residing in new wireless system or LTE system, call request is received or sent；When confirming preference CS calling, conventional cell is selected to be resident and accessed, CS business is supported in the conventional cell；CS calling is carried out to network side using the conventional cell of access.More smooth CS calling may be implemented in technical solution of the present invention.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of CS method of callings, device and user equipment.
Background technique
Fourth generation mobile communication technology (4th-Generation, 4G) is full packet switching network, user equipment (User
Equipment, UE) when using long term evolution (Long Term Evolution, LTE) system access, circuit can not be transmitted/received
Domain service signal.In order to enable UE LTE access under can initiate the circuit switching such as voice service (Circuit Switching,
CS) business, and the paging for the CS business such as receive speech, and can ongoing grouping is handed in the lte networks to UE
It changes (Packet Switching, PS) business to be properly processed, introduces circuit domain dropping (Circuit Switched
Fallback, CSFB) technology.
In the prior art, Fig. 1 is please referred to, Fig. 1 is that the data of the retransmission method of CS calling in 4G system in the prior art are handed over
Mutual schematic diagram.In step 1, UE is resided in LTE system.In step 2, UE needs CS to call.Nothing is established in the starting of 4G system
Line resources control (Radio Resource Control, RRC) connection and safety are established.The order of network side is eventually received,
It is required that being connected to 2G/3G network, progress RRC connection reconfiguration is set and RRC Connection Release.Carrier information may include connecting in RRC
It connects in release signaling.In step 3, cell chooses Generation Mobile Telecommunication System technology or 3rd generation mobile communication technology (2nd-
Generation/3rd-Generation, 2G/3G) cell.Attempting connection includes the carrier wave in RRC Connection Release signaling.?
In step 4, the accreditation process of 2G/3G suitable cell is completed, it may be necessary to other necessary programs.In steps of 5, CS is attempted to exhale
It cries.
But in new wireless (New Radio, NR) system, such as the 5th third-generation mobile communication technology (5th-
Generation, 5G), do not support CSFB to 2G/3G at present.There is still a need for CS callings by 5G.For example, CS and IP multimedia subsystem
Charging method between (IP Multimedia Subsystem, IMS) calling may change, and CS is exhaled in the case of roaming scenarios
Crying may be cheaper.In the 5G initial deployment stage, compared with 2G/3G/4G network, 5G network coverage is small, and from 5G to 2G/
3G does not support single wireless voice calling continuity (Single Radio Voice Call Continuity, SRVCC) yet, no
It can guarantee service continuity.It is so resided in new wireless system in UE, when CS being needed to call, how to realize that CS calling is urgently
It solves the problems, such as.
Summary of the invention
Present invention solves the technical problem that being how to realize more smooth CS calling.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of CS method of calling, CS method of calling includes：It is resident
When in new wireless system or LTE system, call request is received or sent；When confirming preference CS calling, conventional cell is selected
It is resident and is accessed, CS business is supported in the conventional cell；CS calling is carried out to network side using the conventional cell of access.
Optionally, it is connect using resident and access, the carrier information that the carrier information of storage completes the conventional cell
Receive self-application layer or the network side.
Optionally, the selection conventional cell carry out it is resident and access including：Available conventional cell is searched for, and carries out institute
State the resident and access of conventional cell.
Optionally, the selection conventional cell be resident and includes after accessing：After residing in the conventional cell,
If location updating occurs before CS calling, forbid cell reselection to the new wireless system in the first preset time.
Optionally, the selection conventional cell be resident and includes after accessing：Instruction letter is sent to the network side
Breath supports the new wireless system with instruction.
Optionally, the CS method of calling further includes：Forbid cell in the second preset time after CS calling is completed
Reselect to the new wireless system.
Optionally, when residing in the LTE system, the conventional cell is the cell in 2G or 3G system.
Optionally, when residing in the new wireless system, the conventional cell is the cell in 2G, 3G or 4G system.
In order to solve the above technical problems, the embodiment of the invention also discloses a kind of CS calling device, CS calling device includes：
Call processing module receives or sends call request when suitable for residing in new wireless system or LTE system；Conventional cell choosing
Module is selected, is suitable for selecting conventional cell to be resident and accessed, CS industry is supported in the conventional cell when confirming preference CS calling
Business；CS calling module carries out CS calling to network side suitable for the conventional cell using access.
Optionally, the conventional cell selecting module using the carrier information of storage complete the resident of the conventional cell and
Access, the carrier information is received from application layer or the network side.
Optionally, the conventional cell selecting module includes：Search unit is adapted to search for available conventional cell, goes forward side by side
The resident and access of the row conventional cell.
Optionally, the CS calling device further includes：First disabled module, suitable for after residing in the conventional cell,
If location updating occurs before CS calling, forbid cell reselection to the new wireless system in the first preset time.
Optionally, the CS calling device further includes：It indicates information sending module, is suitable for sending instruction to the network side
Information supports the new wireless system with instruction.
Optionally, the CS calling device further includes：Second disabled module, it is pre- suitable for second after CS calling is completed
If forbidding cell reselection to the new wireless system in the time.
Optionally, when residing in the LTE system, the conventional cell is the cell in 2G or 3G system.
Optionally, when residing in the new wireless system, the conventional cell is the cell in 2G, 3G or 4G system.
In order to solve the above technical problems, user equipment includes storage the embodiment of the invention also discloses a kind of user equipment
Device and processor are stored with the computer instruction that can be run on the processor, the processor operation on the memory
When the computer instruction the step of CS method of calling.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that：
In technical solution of the present invention, when user equipment is resided in new wireless system or LTE system, calling is received or sent
Request；When confirming preference CS calling, conventional cell is selected to be resident and accessed, CS business is supported in the conventional cell；Benefit
CS calling is carried out to network side with the conventional cell of access.Technical solution of the present invention user equipment have CS call demand when,
Selection conventional cell is accessed；That is, when confirming preference CS calling, it can be glibly by new wireless system or LTE
System is moved in the wireless access technology (Radio Access Technology, RAT) for supporting CS service, and utilizes support
Conventional cell in CS business RAT carries out CS calling, to realize more smooth CS calling, and then guarantees that voice call service connects
Continuous property, improves user experience.
Further, the CS method of calling of the embodiment of the present invention can also include the following steps：Refer to network side transmission
Show information, the new wireless system is supported with instruction.Technical solution of the present invention supports new wireless system by instruction, can make
Network side reduces signaling overheads, to avoid the wireless technology for notifying other network modules to disable；Further, since supporting new nothing always
Linear system system, therefore the efficiency of network side can also be improved.Further, relative to disabling RAT, for user equipment, the present invention
Technical solution signaling process is simple, easy to implement, and application scenarios are wide.
Detailed description of the invention
Fig. 1 is the data interaction schematic diagram of the retransmission method of CS calling in 4G system in the prior art；
Fig. 2 is a kind of flow chart of CS method of calling of the embodiment of the present invention；
Fig. 3 is a kind of data interaction schematic diagram of CS method of calling of the embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of CS calling device of the embodiment of the present invention.
Specific embodiment
As described in the background art, in new wireless (New Radio, NR) system, such as the 5th third-generation mobile communication technology
(5th-Generation, 5G), does not support CSFB to 2G/3G at present.There is still a need for CS callings by 5G.For example, CS and IP multimedia
Charging method between subsystem (IP Multimedia Subsystem, IMS) calling may change, the case where roaming
Lower CS calling may be cheaper.In the 5G initial deployment stage, compared with 2G/3G/4G network, 5G network coverage is small, and from
5G to 2G/3G do not support yet single wireless voice calling continuity (Single Radio Voice Call Continuity,
SRVCC), it cannot be guaranteed that service continuity.It is so resided in new wireless system in UE, when CS being needed to call, how to realize CS
Calling is a problem to be solved.
Technical solution of the present invention selects conventional cell to be accessed in the demand that user equipment has CS to call；Namely
It says, when confirming preference CS calling, can be moved to glibly by new wireless system or LTE system and support wirelessly connecing for CS service
Enter in technology, and carries out CS calling using the conventional cell supported in CS business RAT, thus realize more smooth CS calling, into
And guarantee voice call service continuity, improve user experience.
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
Fig. 2 is a kind of flow chart of CS method of calling of the embodiment of the present invention.
CS method of calling shown in Fig. 2 can be used for user equipment side.The CS method of calling may comprise steps of：
Step S201：When residing in new wireless system or LTE system, call request is received or sent；
Step S202：When confirming preference CS calling, conventional cell is selected to be resident and accessed, the conventional cell branch
Hold CS business；
Step S203：CS calling is carried out to network side using the conventional cell of access.
It, in step s 201, can be with when user equipment resides in new wireless system or LTE system in specific implementation
It receives call request (voice call), call request can also be initiated.That is, user terminal can be used as the hair of calling
Origin or beginning namely uplink (Mobile Original) scene；Alternatively, user terminal can also be used as the receiving end of calling, namely under
Row (Mobile Terminated) scene.It is understood that the call request received can be network side transmission.
It is understood that user equipment resides in new wireless system or LTE system, it can refer to user equipment and new
Wireless system or LTE system keep connection.
In specific implementation, in step S202, after receiving or sending call request, user terminal can be directed to the calling
Request carries out CS business or IMS business.Then when confirming preference CS calling, it can choose conventional cell and be resident and connect
Enter, so as to execute CS calling.For example, the upper layer application environment (Application of user equipment can be inquired
Environment, APE) configuration, be confirmed whether preference CS call；Alternatively, since CS business has higher transmission speed
Rate, if therefore user terminal support CS business, can be confirmed its preference CS call.
It should be noted that alleged conventional cell can be in the prior art or in new technology in the present embodiment, arbitrarily
It can support the cell in the wireless technology of CS business.
Since CS business is supported in conventional cell, in step S203, the tradition that user equipment can use access is small
Area carries out CS calling to network side.That is, the conventional cell that user equipment can use access is initiated CS to network side and is exhaled
It cries or the CS of response to network side is called.
Since new wireless system does not support CS to call, LTE system only can carry out CS calling using CSFB technology, therefore adopt
It can make user equipment when using new wireless system with the embodiment of the present invention, CS calling can be carried out；In addition, but also with
Family equipment can implement CS calling when using LTE system by the way of in addition to CSFB technology, realize that more smooth CS is exhaled
It cries.
The embodiment of the present invention can carry out CS when user equipment is configured as preferentially residing in new wireless system
Calling.When by there is the demand of CS calling in user equipment, conventional cell is selected to be accessed；That is, in confirmation preference
When CS is called, it can be moved in the wireless access technology for supporting CS service by new wireless system or LTE system glibly, and benefit
With supporting the conventional cell in CS business RAT to carry out CS calling, to realize more smooth CS calling, and then guarantee audio call
Service continuity improves user experience.
Preferably, when user equipment resides in the LTE system, the conventional cell is the cell in 2G or 3G system.
Preferably, when user equipment resides in the new wireless system, the conventional cell is in 2G, 3G or 4G system
Cell.
Preferably, the carrier information that can use storage completes the resident and access of the conventional cell, the carrier wave letter
Breath is received from application layer or the network side.That is, being wanted when user equipment needs CS to call and accesses conventional cell
The relevant information of the conventional cell of access can be it is pre-stored, then user equipment can directly from pre-stored carrier wave believe
The conventional cell to be accessed of determination in breath.Closer, pre-stored carrier information is received from application layer
(application level) or the network side.
Preferably, can also include the following steps before step S202：Available conventional cell is searched for, to be used for the biography
The resident and access for cell of uniting.In specific implementation, user equipment can also make when needing to access conventional cell progress CS calling
Available conventional cell is searched for the mode of cell selection or cell reselection.
Closer, user equipment is also based on movement history recording to obtain available conventional cell.It is specific and
It says, in the conventional cell that user equipment can be resident or connect in movement history recording, to determine that carrying out CS calling will access
Conventional cell.
Preferably, can also include the following steps before step S202：After residing in the conventional cell, if in CS
Location updating occurs before calling, then forbids cell reselection to the new wireless system in the first preset time, or forbid
Cell reselection is to LTE system.In other words, UE resides in conventional cell and location updating has occurred, and usual UE will do it cell weight
Selection operation；In order to guarantee being normally carried out for CS calling, forbid cell reselection to the new wireless system in the first preset time.
Specifically, if UE resides in conventional cell and location updating has occurred, in the first preset time, UE, which can be reselected to, to be appointed
It anticipates available conventional cell；After the first preset time, UE can also reselect to new wireless system.
Preferably, can also include the following steps after step S203：The second preset time after CS calling is completed
Inside forbid cell reselection to the new wireless system, or forbids cell reselection to LTE system.In other words, this is completed in UE
After calling, usual UE will do it cell reselection operation, might have subsequenct call due to subsequent, in order to guarantee that subsequent CS is exhaled
That cries is normally carried out, and forbids cell reselection to the new no linear system in the second preset time after this CS calling is completed
System.Specifically, in the second preset time after this CS calling is completed, it is small that UE can reselect to any available tradition
Area；After the second preset time, UE can also reselect to new wireless system.
It is understood that the first preset time and the second preset time can be realized by timer；First is default
Time and the second preset time can configure different time spans, such as the first preset time and according to practical application scene
Two preset times can be 10 seconds.
Preferably, can also include the following steps before step S202：Instruction information is sent to the network side, with instruction
Support the new wireless system.That is, user equipment, when returning to Idle state, new wireless system will not be disabled.This hair
Bright embodiment supports new wireless system by instruction, network side can be made to reduce signaling, to avoid other network modules are notified
The wireless technology of disabling；Further, since supporting new wireless system always, therefore the efficiency of network side can also be improved.Further
Ground, relative to disabling RAT, for user equipment, signaling process of the embodiment of the present invention is simple, and easy to implement, application scenarios are wide.
Signaling process of the embodiment of the present invention in concrete application scene is as shown in figure 3, Fig. 3 is one kind of the embodiment of the present invention
The data interaction schematic diagram of CS method of calling.
In step 1, UE resides in 5G system.In step 2, UE is available asks from network side (Network) receiving calling
It asks.The call request can be the paging of audio call or the IMS request of audio call.Optionally, in this step,
It is also possible to UE and initiates calling.
In step 3, UE can determine that preference CS is called.
In step 4, based on the carrier information stored, UE selects conventional cell.Further, if LTE system branch
CSFB is held, then UE also can choose 4G cell.Optionally, in this step, cell selection, cell reselection etc. also can be used in UE
To select suitable conventional cell.Specifically, if the carrier information of storage is unavailable, UE can use the side of cell reselection
Formula trial is resident.In steps of 5, the accreditation process or other desired access journey of the conventional cell 2G/3G/4G are completed
Sequence.
CS calling is attempted in step 6.
The embodiment of the present invention directly selects cell from the RAT for supporting CS business when UE is configured as preferred CS calling.
In addition, 5G RAT is not disabled when UE returns to Idle state, then UE can be returned to by using normal cell re-selection procedure
5G system.
Further, the application scenarios of process shown in Fig. 3 are that UE resides in 5G system, and the same process can be used for UE
Reside in LTE system.Then before UE establishes the connection with LTE, it can attempt to reside in known 2G/3G carrier wave.If closed
Suitable carrier wave is available, then UE can directly initiate non-access (Non-Access Stratum, NAS) process appropriate.
More specific embodiments of the embodiment of the present invention can refer to the associated description to embodiment illustrated in fig. 2, herein not
It repeats again.
Fig. 4 is a kind of structural schematic diagram of CS calling device of the embodiment of the present invention.
CS calling device 40 shown in Fig. 4 can be used for user equipment side, and CS calling device 40 may include call treatment
Module 401, conventional cell selecting module 402 and CS calling module 403.
Wherein, when call processing module 401 is suitable for residing in new wireless system or LTE system, calling is received or sent
Request；Conventional cell selecting module 402 is suitable for selecting conventional cell to be resident and accessed, institute when confirming preference CS calling
It states conventional cell and supports CS business；CS calling module 403 is suitable for carrying out CS calling to network side using the conventional cell of access.
When the embodiment of the present invention is by there is the demand of CS calling in user equipment, conventional cell is selected to be accessed；Also
It is to say, when confirming preference CS calling, can be moved to glibly by new wireless system or LTE system and support the wireless of CS service
In access technology (Radio Access Technology, RAT), and CS is carried out using the conventional cell supported in CS business RAT
Calling to realize more smooth CS calling, and then guarantees voice call service continuity, improves user experience.
Preferably, when user equipment resides in the LTE system, the conventional cell is the cell in 2G or 3G system.
Preferably, when user equipment resides in the new wireless system, the conventional cell is in 2G, 3G or 4G system
Cell.
Preferably, the conventional cell selecting module 402 completes staying for the conventional cell using the carrier information of storage
It stays and accesses, the carrier information is received from application layer or the network side.
Preferably, conventional cell selecting module 402 may include search unit 4021, and search unit 4021 is adapted to search for can
Conventional cell, and carry out the resident and access of the conventional cell.
Preferably, the CS calling device 40 can also include the first disabled module 404, and the first disabled module 404 is suitable for
After residing in the conventional cell, if location updating occurs before CS calling, forbid in the first preset time small
Area reselects to the new wireless system.
Preferably, the CS calling device 40 can also include instruction information sending module 406, indicate information sending module
406 are suitable for sending instruction information to the network side, support the new wireless system with instruction.The present embodiment is supported by instruction
New wireless system can make network side reduce signaling, to avoid the wireless technology for notifying other network modules to disable；In addition,
Due to supporting new wireless system always, the efficiency of network side can also be improved.Further, relative to disabling RAT, for
User equipment, signaling process of the embodiment of the present invention is simple, easy to implement, and application scenarios are wide.
Preferably, the CS calling device 40 can also include the second disabled module 405, and the second disabled module 405 is suitable for
Forbid cell reselection to the new wireless system in the second preset time after CS calling is completed.
Working principle, more contents of working method about the CS calling device 40, are referred to Fig. 2 and Fig. 3
Associated description, which is not described herein again.
The embodiment of the invention also discloses a kind of user equipment, described includes memory and processor, on the memory
It is stored with the computer instruction that can be run on the processor, the step of to execute Fig. 2 or CS method of calling shown in Fig. 3.
The user equipment includes but is not limited to the equipment such as smart phone, tablet computer, computer.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can store in computer readable storage medium, storage
Medium may include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (19)
1. a kind of CS method of calling, which is characterized in that including：
When residing in new wireless system or LTE system, call request is received or sent；
When confirming preference CS calling, conventional cell is selected to be resident and accessed, CS business is supported in the conventional cell；
CS calling is carried out to network side using the conventional cell of access.
2. CS method of calling according to claim 1, which is characterized in that complete the tradition using the carrier information of storage
The resident and access of cell, the carrier information is received from application layer or the network side.
3. CS method of calling according to claim 1, which is characterized in that the carrier information is selected from movement history recording.
4. CS method of calling according to claim 1, which is characterized in that the selection conventional cell is resident and is accessed
Including：
Available conventional cell is searched for, and carries out the resident and access of the conventional cell.
5. CS method of calling according to claim 1, which is characterized in that the selection conventional cell is resident and is accessed
Include later：
After residing in the conventional cell, if location updating occurs before CS calling, prohibit in the first preset time
Only cell reselection is to the new wireless system.
6. CS method of calling according to claim 1, which is characterized in that the selection conventional cell is resident and is accessed
Include later：
Instruction information is sent to the network side, the new wireless system is supported with instruction.
7. CS method of calling according to claim 1, which is characterized in that further include：
Forbid cell reselection to the new wireless system in the second preset time after CS calling is completed.
8. CS method of calling according to any one of claims 1 to 7, which is characterized in that when residing in the LTE system,
The conventional cell is the cell in 2G or 3G system.
9. CS method of calling according to any one of claims 1 to 7, which is characterized in that reside in the new wireless system
When, the conventional cell is the cell in 2G, 3G or 4G system.
10. a kind of CS calling device, which is characterized in that including：
Call processing module receives or sends call request when suitable for residing in new wireless system or LTE system；
Conventional cell selecting module is suitable for selecting conventional cell to be resident and accessed, the biography when confirming preference CS calling
Cell of uniting supports CS business；
CS calling module carries out CS calling to network side suitable for the conventional cell using access.
11. CS calling device according to claim 10, which is characterized in that the conventional cell selecting module utilizes storage
Carrier information complete the resident of the conventional cell and access, the carrier information is received from application layer or the network
Side.
12. CS calling device according to claim 10, which is characterized in that the carrier information is selected from mobile history note
Record.
13. CS calling device according to claim 10, which is characterized in that the conventional cell selecting module includes：
Search unit is adapted to search for available conventional cell, and carries out the resident and access of the conventional cell.
14. CS calling device according to claim 10, which is characterized in that further include：
First disabled module, suitable for after residing in the conventional cell, if location updating occurs before CS calling,
Forbid cell reselection to the new wireless system in first preset time.
15. CS calling device according to claim 10, which is characterized in that further include：
It indicates information sending module, is suitable for sending instruction information to the network side, the new wireless system is supported with instruction.
16. CS calling device according to claim 10, which is characterized in that further include：
Second disabled module, suitable for forbidding cell reselection to described new wireless in the second preset time after CS calling is completed
System.
17. CS calling device according to any one of claims 10 to 16, which is characterized in that reside in the LTE system
When, the conventional cell is the cell in 2G or 3G system.
18. CS calling device according to any one of claims 10 to 16, which is characterized in that reside in the new no linear system
When system, the conventional cell is the cell in 2G, 3G or 4G system.
19. a kind of user equipment, which is characterized in that including memory and processor, being stored on the memory can be described
The computer instruction run on processor, which is characterized in that perform claim is wanted when the processor runs the computer instruction
Described in asking any one of 1 to 9 the step of CS method of calling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710380114.7A CN108934048A (en) | 2017-05-25 | 2017-05-25 | CS method of calling, device and user equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710380114.7A CN108934048A (en) | 2017-05-25 | 2017-05-25 | CS method of calling, device and user equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108934048A true CN108934048A (en) | 2018-12-04 |
Family
ID=64450821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710380114.7A Pending CN108934048A (en) | 2017-05-25 | 2017-05-25 | CS method of calling, device and user equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108934048A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109982402A (en) * | 2019-04-09 | 2019-07-05 | 努比亚技术有限公司 | Terminal voice call method, mobile terminal and computer readable storage medium |
| CN110856229A (en) * | 2019-11-21 | 2020-02-28 | 中国联合网络通信集团有限公司 | Network switching method, device and communication system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102149156A (en) * | 2007-12-29 | 2011-08-10 | 华为技术有限公司 | Method, system and relevant method and device for returning to CS domain to establish voice call |
| CN102893673A (en) * | 2010-04-12 | 2013-01-23 | 高通股份有限公司 | System, apparatus, and method to enable domain selection in multimode device |
| WO2013080098A1 (en) * | 2011-11-29 | 2013-06-06 | Renesas Mobile Corporation | Selecting mobile communication networks in the event of csfb failure |
| CN104982081A (en) * | 2014-02-07 | 2015-10-14 | 三星电子株式会社 | Device and method for providing service in mobile communication system |
-
2017
- 2017-05-25 CN CN201710380114.7A patent/CN108934048A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102149156A (en) * | 2007-12-29 | 2011-08-10 | 华为技术有限公司 | Method, system and relevant method and device for returning to CS domain to establish voice call |
| CN102893673A (en) * | 2010-04-12 | 2013-01-23 | 高通股份有限公司 | System, apparatus, and method to enable domain selection in multimode device |
| WO2013080098A1 (en) * | 2011-11-29 | 2013-06-06 | Renesas Mobile Corporation | Selecting mobile communication networks in the event of csfb failure |
| CN104982081A (en) * | 2014-02-07 | 2015-10-14 | 三星电子株式会社 | Device and method for providing service in mobile communication system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109982402A (en) * | 2019-04-09 | 2019-07-05 | 努比亚技术有限公司 | Terminal voice call method, mobile terminal and computer readable storage medium |
| CN109982402B (en) * | 2019-04-09 | 2023-08-11 | 努比亚技术有限公司 | Terminal voice calling method, mobile terminal and computer readable storage medium |
| CN110856229A (en) * | 2019-11-21 | 2020-02-28 | 中国联合网络通信集团有限公司 | Network switching method, device and communication system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2732659B1 (en) | Method and apparatus for transferring telecommunications connections | |
| CN104602306B (en) | Method for accessing services that cannot be used through a network cell | |
| US8996003B2 (en) | Method, terminal, and system for cell reselection | |
| KR102311457B1 (en) | Network handover method, apparatus and system | |
| CN102143555B (en) | Terminal cell search method and relevant equipment and system | |
| CN105578544A (en) | Circuit domain switched fallback method and terminal device | |
| US20110059739A1 (en) | Method of Radio Access Technology Selection and Related Communication Device | |
| JP2012529250A (en) | Voice services in evolutionary packet systems | |
| JP2012529247A (en) | Voice services in evolutionary packet systems | |
| JP2012529248A (en) | Voice services in evolutionary packet systems | |
| KR20120085857A (en) | Determination of appropriate radio resource to be requested in case of a circuit-switched(cs) fallback procedure | |
| US11758442B2 (en) | Information processing method and device | |
| CN105027622A (en) | Method and system for improving circuit switched fall back (CSFB) performance | |
| JP2012529251A (en) | Voice services in evolutionary packet systems | |
| WO2016177036A1 (en) | Voice call method and device | |
| CN105657766A (en) | Circuit switched (CS) fallback method and device, and terminal | |
| WO2017193658A1 (en) | Cell reselection method and device, and storage medium | |
| US11356837B2 (en) | Station and method for LTE only attach optimization | |
| CN108934048A (en) | CS method of calling, device and user equipment | |
| CN111988867B (en) | Communication method with limited radio resource control and terminal equipment | |
| CN109831810B (en) | Method and device for establishing wireless access bearer | |
| US10187828B2 (en) | Communication device and communication method with improved handover | |
| CN104717716A (en) | Voice service access method and equipment | |
| US9955386B2 (en) | Switchover service for network selection fallback | |
| JP7169379B2 (en) | Apparatus, method and computer program for emergency calling |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181204 |