CN108124513A - The falling result detection method and device of CSFB a kind of, computer storage media - Google Patents
The falling result detection method and device of CSFB a kind of, computer storage media Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 67
- 230000008569 process Effects 0.000 claims abstract description 29
- 230000007774 longterm Effects 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims description 35
- 230000015654 memory Effects 0.000 claims description 28
- 238000005259 measurement Methods 0.000 claims description 10
- 238000004590 computer program Methods 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 7
- 238000010295 mobile communication Methods 0.000 claims description 3
- 238000012913 prioritisation Methods 0.000 description 10
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- 230000002159 abnormal effect Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 5
- 102000018059 CS domains Human genes 0.000 description 4
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- 238000005516 engineering process Methods 0.000 description 4
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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
- 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
- H04W36/00224—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 between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB]
- H04W36/00226—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 between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB] wherein the core network technologies comprise IP multimedia system [IMS], e.g. single radio voice call continuity [SRVCC]
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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
- 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
- H04W36/00224—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 between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB]
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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
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
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- 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
- H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
- H04W36/1443—Reselecting a network or an air interface over a different radio air interface technology between licensed networks
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Abstract
Falling result detection method and device, computer storage media the embodiment of the invention discloses a kind of CSFB.This method can include：Triggering terminal sends Attach Request message to Long Term Evolution LTE base station, receives the attachment received message that the LTE base station is sent；Wherein, the attachment received message carrying is used to indicate the indication information that the terminal first choice IMS voices scheme carries out speech business；After the terminal establishes VoLTE calls based on the indication information, the signal strength of LTE network is reduced according to the strategy for evading triggering SRVCC flows, and hangs up the VoLTE calls；It triggers the terminal and performs CSFB processes, detect voice call state of the terminal in GSM cell；Using the voice call state of detection, judge whether the CSFB falls success after rise.
Description
Technical field
The present invention relates to circuit domain dropping (CSFB, Circuit Switched Fallback) technical field more particularly to
The falling result detection method and device of CSFB a kind of, computer storage media.
Background technology
Since Long Term Evolution (LTE, Long Term Evolution) and the wireless communication of 2G/3G dual-mode terminals are single
Wireless mode (Signal-radio mode) therefore, has the bimodulus or multimode terminal of LTE and 2G/3G access capabilities,
When being accessed using LTE, 2G/3G circuit domain business signals can not be transmitted.In order to make terminal (UE, User Equipment) in LTE
It accesses or can carry out the circuit domains such as speech (CS, Circuit Switched) business under resident, and UE can be connect in LTE
Ongoing packet domain (PS, Packet Switch) business is properly processed under entering, and generates CSFB technologies.
During CSFB, the promoter of phone is known as caller (MO, Mobile Origination), the recipient of phone
Referred to as called (MT, Mobile Termination), MO and MT are each corresponding with the CSFB signaling processes of oneself.For CSFB mistakes
For MT in journey, since the appearance of various abnormal conditions often causes CSFB procedure failures, it can not be connect so as to cause phone
Logical, the falling result for how effectively detecting CSFB under abnormal scene is particularly necessary.
The content of the invention
In order to solve the above technical problems, falling result detection method and dress an embodiment of the present invention is intended to provide a kind of CSFB
It puts, computer storage media.
The technical proposal of the invention is realized in this way：
In a first aspect, an embodiment of the present invention provides the falling result detection method of CSFB a kind of, including：
Triggering terminal sends Attach Request message to Long Term Evolution LTE base station, receives the attachment that the LTE base station is sent and connects
By message；Wherein, the attachment received message carrying is used to indicate the terminal first choice IP multimedia subsystem IMS voice schemes
Carry out the indication information of speech business；
It is tactile according to evading after the terminal establishes the voice VoLTE calls on Long Term Evolution based on the indication information
Sending out the strategy of single wireless voice calling continuity SRVCC flows reduces the signal strength of LTE network, and hangs up the VoLTE
Call；
It triggers the terminal and performs CSFB processes, detect voice of the terminal in global system for mobile communications GSM cell
Talking state；
Using the voice call state of detection, judge whether the CSFB falls success after rise.
In said program, the signal strength that LTE network is reduced according to the strategy for evading triggering SRVCC flows can
To include：
The signal strength of LTE network is reduced, and the signal strength of the LTE network after the reduction is higher than measurement report
The corresponding signal strength of MeasuementReport B2 events.
In said program, the voice call state using detection judges whether the CSFB falls success after rise, can be with
Including：
To GSM cell channel request message and voice is successfully established when detecting the terminal in default duration
During talking link, determine that the CSFB is fallen after rise successfully.
In said program, the method further includes：
When detecting the terminal to GSM cell channel request message, parsed from the channel request message
Go out access request cause value；
Judge whether the access request cause value that the channel request message carries is preset value；
When the access request cause value is the preset value, the terminal is controlled to continue to execute the CSFB processes.
It is described to detect the terminal in default duration to GSM cell channel request in said program
Message and when being successfully established voice communication link, determine the CSFB fall after rise successfully, including：
When detect the terminal in default duration to GSM cell channel request message, and the access please
Ask cause value be the preset value when, detection voice communication link whether be successfully established；
When voice communication link establishment success, determine that the CSFB is fallen after rise successfully.
In said program, the method further includes：
When the access request cause value is not the preset value, determine that the CSFB falls failure after rise；Alternatively,
When the voice communication link is not set up successfully, determine that the CSFB falls failure after rise.
In said program, the voice call state using detection judges whether the CSFB falls success after rise, wraps
It includes：
When detecting the terminal in default duration not to GSM cell channel request message, determine described
CSFB falls failure after rise.
Second aspect, an embodiment of the present invention provides the falling result detection device of circuit domain dropping CSFB a kind of, including：
Attachment portion, control section, detection part and definite part；Wherein,
The attachment portion is configured to triggering terminal and sends Attach Request message to Long Term Evolution LTE base station, described in reception
The attachment received message that LTE base station is sent；Wherein, the attachment received message carrying is used to indicate the more matchmakers of the terminal first choice IP
Body subsystem, IMS voice scheme carries out the indication information of speech business；
The control section is configured to establish the voice on Long Term Evolution based on the indication information when the terminal
After VoLTE calls, the letter of LTE network is reduced according to the strategy for evading triggering single wireless voice calling continuity SRVCC flows
Number intensity, and hang up the VoLTE calls；
The detection part is configured to trigger the terminal execution CSFB processes, detects language of the terminal in GSM cell
Sound talking state；
The definite part is configured to the voice call state using detection, judges whether the CSFB falls success after rise.
In said program, the control section is configured to reduce the signal strength of LTE network, and after the reduction
The signal strength of LTE network is higher than the corresponding signal strength of measurement report MeasuementReport B2 events.
In said program, the definite part is configured to
To GSM cell channel request message and voice is successfully established when detecting the terminal in default duration
During talking link, determine that the CSFB is fallen after rise successfully.
In said program, the definite part is additionally configured to
When detecting the terminal to GSM cell channel request message, parsed from the channel request message
Go out access request cause value；
Judge whether the access request cause value that the channel request message carries is preset value；
When the access request cause value is the preset value, the terminal is controlled to continue to execute the CSFB processes.
In said program, the definite part is additionally configured to：When detect the terminal in default duration to
GSM cell channel request message, and the access request cause value be the preset value when, detection voice communication link be
It is no to be successfully established；
The definite part is additionally configured to when voice communication link establishment success, determine the CSFB fall after rise into
Work(.
In said program, the definite part is additionally configured to：
When the access request cause value is not the preset value, determine that the CSFB falls failure after rise；Alternatively,
When the voice communication link is not set up successfully, determine that the CSFB falls failure after rise.
In said program, the definite part is additionally configured to：
When detecting the terminal in default duration not to GSM cell channel request message, determine described
CSFB falls failure after rise.
The third aspect, an embodiment of the present invention provides the falling result detection device of circuit domain dropping CSFB a kind of, including：
Processor and the memory for storing the computer program that can be run on a processor, wherein, the processor is used to transport
During the row computer program, the step of perform claim any one of 1 to 7 the method for requirement.
Fourth aspect, an embodiment of the present invention provides a kind of computer readable storage mediums, are stored thereon with computer journey
Sequence, wherein, when which is executed by processor the step of any one of realization claim 1 to 7 the method.
Technical solution provided in an embodiment of the present invention, triggering terminal send Attach Request message to Long Term Evolution LTE base station,
Receive the attachment received message that the LTE base station is sent；Wherein, it is first to be used to indicate the terminal for the attachment received message carrying
IP multimedia subsystem IMS voices scheme is selected to carry out the indication information of speech business；When the terminal is based on the indication information
After establishing the voice VoLTE calls on Long Term Evolution, single wireless voice calling continuity SRVCC flows are triggered according to evading
Strategy reduces the signal strength of LTE network, and hangs up the VoLTE calls；It triggers the terminal and performs CSFB processes, detect institute
State voice call state of the terminal in global system for mobile communications GSM cell；Using the voice call state of detection, described in judgement
Whether CSFB falls success after rise.Using the technical solution of the embodiment of the present invention, can LTE network signal weaker so that without Faville
Under the scene for holding VoLTE speech qualities, the falling of CSFB is detected as a result, so as to further improve the prioritization scheme of CSFB
The successful probability of CSFB processes is improved, to promote the calling of user experience.
Description of the drawings
Fig. 1 is the flow diagram of the falling result detection method of CSFB provided in an embodiment of the present invention；
Fig. 2 is the composition schematic diagram of the falling result detection device of CSFB of the embodiment of the present invention；
Fig. 3 is the hardware architecture diagram of the falling result detection device of CSFB of the embodiment of the present invention.
Specific embodiment
The characteristics of in order to more fully hereinafter understand the embodiment of the present invention and technology contents, below in conjunction with the accompanying drawings to this hair
The realization of bright embodiment is described in detail, appended attached drawing purposes of discussion only for reference, is not used for limiting the embodiment of the present invention.
Under normal circumstances, the starting up of terminal with CSFB can search for LTE network, complete LTE/2G network associations note
Volume, and voice caller can be carried out and be called.
CSFB processes include three phases：1) UE initiates calling (corresponding to MO) in LTE network or reception paging is (right
It should be in MT)；2) UE falls after rise under LTE network guide and searches for suitable 2G/3G cells, for example, GSM cell/WCDMA cells into
Row access；3) UE reads GSM cell/WCDMA cell systems and broadcasts the message and establish voice communication.
With the GSM/TDSCDMA base stations that LTE base station scale constantly expands and part is old logout and backset, it is former
Some networks are deployed in the configuration of base station signaling side not real-time update, configuration information and reality that network is handed down to UE occur
Deployment scenario it is inconsistent, there are various abnormal conditions so as to cause the voice communication of this cross-systems of CSFB (InterRAT),
For example be not turned on, repeat connection failure etc..
To solve the problems, such as such call brought due to network disposes incompatible situation, each manufacturer terminal employs various excellent
Change means are experienced to improve call, to verify the reasonability of CSFB prioritization schemes, it is necessary to the CSFB processes under abnormal scene
It is detected, pointedly to improve CSFB prioritization schemes.
CSFB falls scheme after rise and redirects falling scheme using 3GPP R8, during CSFB deployment, the quality of network environment
CSFB processes can be caused to occur probabilityly abnormal.For this purpose, a kind of falling result detection an embodiment of the present invention provides CSFB
Method, referring to Fig. 1, this method can include：
S101：Triggering terminal sends Attach Request message to Long Term Evolution LTE base station, receives what the LTE base station was sent
Adhere to received message；
Wherein, the attachment received message carrying is used to indicate terminal first choice IP multimedia subsystem (IMS, the IP
Multimedia Subsystem) voice scheme carry out speech business indication information；
For the technical solution of the embodiment of the present invention, can a network environment be constructed by emulation platform and be realized,
The network environment includes：TDD-LTE cells, TDSCDMA/GSM cells, the present embodiment is using GSM cell as realization CS voices
Cell, wherein, GSM adjacent areas cell information is configured in LTE SIB, LTE adjacent areas cell information is configured in GSM SI.Then,
Network environment based on construction performs CSFB processes.
For S101, after starting up of terminal, be first carried out joint EPS/IMSI attachment, among these including triggering terminal to
LTE base station sends Attach Request message (Attach Request), receives the attachment received message that the LTE base station is sent
(Attach Accept), wherein, the attachment received message carrying is used to indicate the instruction terminal first choice IP multimedia subsystems
(IMS preferred, IP Multimedia Subsystem preferred) the voice scheme of system carries out the instruction of speech business
Information.Since the technical solution of the embodiment of the present invention can be realized by emulation platform, it can will emulate generation in emulation
The content of code information as indicated above is configured, so as to fulfill the indicative function of attachment received message.
S102：Voice (VoLTE, the Voice on Long Term Evolution is established based on the indication information when the terminal
Long Term Evolution) after call, according to evading triggering single wireless voice calling continuity (SRVCC, Single
Radio Voice Call Continuity) the tactful of flow reduces the signal strength of LTE network, and hangs up the VoLTE and lead to
Words；
It should be noted that in S102, by reduce LTE network signal strength can VoLTE calls can not be just
It often carries out, at this time if the measurement report (MeasuementReport) that terminal is reported by network measure meets
During the trigger condition of MeasuementReport B2 events, it can trigger and perform SRVCC or eSRVCC flows, so that terminal
Taking over seamlessly between the VoIP voices of IMS controls and CS domains voice, to ensure the continuity of audio call.But in this hair
In bright embodiment, SRVCC or eSRVCC flows are not interested flow, and really interested is CSFB flows.Therefore, right
, it is necessary to evade triggering SRVCC or eSRVCC flows during LTE network signal strength reduces, based on this, in S102, press
The signal strength of LTE network is reduced according to the strategy for evading triggering SRVCC flows, can be included：
The signal strength of LTE network is reduced, the signal strength of the LTE network after the reduction is higher than measurement report
The corresponding signal strength of MeasuementReport B2 events.
It is to be appreciated that at this point, the signal strength of LTE network is not enough to support VoLTE calls, but can not perform
SRVCC or the SRVCC of enhancing (eSRVCC) flow, therefore, can under conditions of the signal strength of the LTE network after reduction,
After VoLTE calls are hung up, whether terminal can normally perform CSFB processes according to existing CSFB prioritization schemes for detection.
S103：Triggering terminal performs CSFB processes, detects voice call state of the terminal in GSM cell；
It should be noted that during the CSFB performed by the terminal, the terminal is MO, and therefore, terminal performs
The idiographic flow of CSFB callers includes：
Terminal initiates CS domain dropping CS Fallback voice service requests；Mobile management entity (MME, Mobility
Management Entity) S1-AP UE CONTEXT MODIFICATION REQUEST message is sent to base station, the message
CS Fallback Indicator are carried, which is used to indicate base station：Terminal is because of CS
Fallback business needs to fall back to UMTS Terrestrial radio access network (UTRAN, UMTS Terrestrial Radio Access
Network)/GSM EDGE Radio Access Network (GERAN, GSM EDGE Radio Access Network)；Base station requires terminal
Start the cell measurement of different system, and obtain the measurement report that terminal reports, the measurement report is for the definite target redirected
System cell；Then, base station sends the specific radio configuration information of goal systems to terminal, and discharges connection；Terminal accesses mesh
Mark system cell initiates the service request CM SERVICE REQUEST in CS domains.
For above-mentioned idiographic flow, it is possible to understand that ground, due to evading triggering SRVCC or eSRVCC flows, terminal is only
CS domains can be fallen back to by CSFB flows.It, specifically can be at this point, detect voice call state of the terminal in GSM cell
Start whether initiate channel request message (Channel Request) in GSM layers of detection terminal by emulation platform, and whether build
Vertical voice communication link.
S104：Using the voice call state of detection, judge whether the CSFB falls success after rise.
For technical solution shown in FIG. 1, following abnormal scene is configured during CSFB：Due to the signal of LTE network
It dies down so that being unable to maintain that VoLTE speech qualities.Since the network environment of the embodiment of the present invention is constructed based on emulation platform, because
This, which can stablize, reappears the CSFB exception scenes that small probability in network occurs, and verifies the feasibility of optimization CSFB schemes and steady
It is qualitative namely：Verify the signal weaker of LTE network so that being unable to maintain that under conditions of VoLTE speech qualities, CSFB prioritization schemes
Feasibility and stability.
It is to be appreciated that terminal can normally be fallen after rise under above-mentioned abnormal scene according to the prioritization scheme of CSFB it is small to GSM
Area, therefore, the embodiment of the present invention is by the voice call state of detection terminal, to judge whether the falling of CSFB succeeds, so as to
Whether the prioritization scheme that also determined CSFB is reasonable.
For technical solution shown in FIG. 1, in a kind of possible realization method, the voice using detection described in S204
Talking state, judges whether the CSFB falls success after rise, can include：
When detecting the terminal in default duration to GSM cell channel request message (Channel
When Request) and being successfully established voice communication link, determine that the CSFB is fallen after rise successfully.
Specifically, can timer be set according to default duration Time1 first, whether detects the terminal described
The forward direction GSM cell channel request message of timer expiry.Here, the effect of timer is to prevent that detection time is long.
For above-mentioned realization method, in a kind of specific implementation process, the method further includes：
When detecting the terminal to GSM cell channel request message, parsed from the channel request message
Go out access request cause value；
Judge whether the access request cause value that the channel request message carries is preset value；
When the access request cause value is the preset value, the terminal is controlled to continue to execute the CSFB processes.
In above-mentioned specific implementation process, when the terminal in default duration to GSM cell channel request message and successfully
When establishing voice communication link, determine the falling result of the CSFB for fall after rise successfully, including：
When detect the terminal in default duration to GSM cell channel request message, and the access please
Ask cause value be the preset value when, detection voice communication link whether be successfully established；
When voice communication link establishment success, determine that the CSFB is fallen after rise successfully.
In above-mentioned specific implementation process, the method further includes：
When the access request cause value is not the preset value, determine that the CSFB falls failure after rise；Alternatively,
When the voice communication link is not set up successfully, determine that the CSFB falls failure after rise.
For example, when the terminal is to GSM cell channel request message, solved from the channel request message
Access request cause value (cause) is precipitated；Judge whether the access request cause value that the channel request message carries is default
Value；When the access request cause value be the preset value (i.e. correct access request cause value) when, control the terminal after
It is continuous to perform CSFB processes.
During subsequent execution CSFB processes, whether detection voice communication link is successfully established；If it is successfully established
Voice communication link, then represent the falling result of CSFB as fall after rise successfully namely terminal use default CSFB prioritization schemes
Scheme is fallen after rise for rational CSFB.When the terminal is not to GSM cell channel request message namely the falling knot of CSFB
Fruit fails to fall after rise, and the default CSFB prioritization schemes that GC group connector uses fall scheme after rise for unreasonable CSFB.
In above-mentioned example, the situation for falling failure after rise further includes the following two kinds：When the access request cause value is not described
During preset value, determine that the CSFB falls failure after rise；When the voice communication link is not set up successfully, determine that the CSFB is fallen after rise
Failure.
For technical solution shown in FIG. 1, in alternatively possible realization method, the language using detection described in S204
Sound talking state, judges whether the CSFB falls success after rise, can include：
When detecting the terminal in default duration not to GSM cell channel request message (Channel
Request), determine that the CSFB falls failure after rise.
The identical inventive concept of falling result detection method based on CSFB shown in FIG. 1, referring to Fig. 2, it illustrates this
A kind of falling result detection device 20 for CSFB that inventive embodiments provide；It can include：Attachment portion 201, control section
202nd, detection part 203 and definite part 204；Wherein,
The attachment portion 201 is configured to triggering terminal and sends Attach Request message to Long Term Evolution LTE base station, receives
The attachment received message that the LTE base station is sent；Wherein, the attachment received message carrying is used to indicate the terminal first choice IP
Multimedia subsystem, IMS voice scheme carries out the indication information of speech business；
The control section 202 is configured to establish the voice on Long Term Evolution based on the indication information when the terminal
After VoLTE calls, the letter of LTE network is reduced according to the strategy for evading triggering single wireless voice calling continuity SRVCC flows
Number intensity, and hang up the VoLTE calls；
The detection part 203 is configured to trigger the terminal execution CSFB processes, detects the terminal in GSM cell
Voice call state；
The definite part 204 is configured to the voice call state using detection, judges whether the CSFB falls after rise into
Work(.
It will be appreciated by those skilled in the art that the reality of each unit in the falling result detection device of CSFB shown in Fig. 2
Existing function can refer to the associated description of the falling result detection method of foregoing CSFB and understand.The falling knot of CSFB shown in Fig. 2
The function of each unit in fruit detection device can be realized by running on the program on processor, can also pass through specific logic
Circuit and realize.
In a kind of possible realization method, the control section 202, be configured to reduce LTE network signal strength, and
The signal strength of LTE network after the reduction is strong higher than the corresponding signal of measurement report MeasuementReport B2 events
Degree.
In a kind of possible realization method, the definite part 204 is configured to
To GSM cell channel request message and voice is successfully established when detecting the terminal in default duration
During talking link, determine that the CSFB is fallen after rise successfully.
In above-mentioned realization method, the definite part 204 is additionally configured to
When detecting the terminal to GSM cell channel request message, parsed from the channel request message
Go out access request cause value；
Judge whether the access request cause value that the channel request message carries is preset value；
When the access request cause value is the preset value, the terminal is controlled to continue to execute the CSFB processes.
In above-mentioned realization method, the definite part 204 is additionally configured to：When detecting the terminal when default
To GSM cell channel request message in long, and when the access request cause value is the preset value, voice communication is detected
Whether link is successfully established；
The definite part 204 is additionally configured to, when voice communication link establishment success, determine that the CSFB is fallen after rise
Success.
In above-mentioned realization method, the definite part 204 is additionally configured to：
When the access request cause value is not the preset value, determine that the CSFB falls failure after rise；Alternatively,
When the voice communication link is not set up successfully, determine that the CSFB falls failure after rise.
In a kind of possible realization method, the definite part 204 is additionally configured to：
When detecting the terminal in default duration not to GSM cell channel request message, determine described
CSFB falls failure after rise.
It is to be appreciated that in scheme shown in Fig. 2, " part " can be partial circuit, segment processor, subprogram or
Software etc., naturally it is also possible to be unit, it can also be non-modular for can also be module.
In addition, each component in scheme shown in Fig. 2 can be integrated in it is in a processing unit or each
Unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated unit both may be used
It realizes, can also be realized in the form of software function module in the form of using hardware.
If the integrated unit realizes that being not intended as independent product is sold in the form of software function module
Or it in use, can be stored in a computer read/write memory medium, based on such understanding, the technical side of the present embodiment
The part or all or part of the technical solution that case substantially in other words contributes to the prior art can be produced with software
The form of product embodies, which is stored in a storage medium, is used including some instructions so that one
Platform computer equipment (can be personal computer, server or the network equipment etc.) or processor (processor) perform sheet
The all or part of step of embodiment the method.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only memory
(ROM, Read Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD
Etc. the various media that can store program code.
Therefore, a kind of computer readable storage medium is present embodiments provided, wherein computer executable instructions are stored with,
The falling result detection side of the above-mentioned CSFB of the embodiment of the present invention is realized when the computer executable instructions are executed by processor
The step of method.
Falling result detection device and computer readable storage medium based on above-mentioned CSFB, referring to Fig. 3, it illustrates
A kind of particular hardware structure of the falling result detection device 20 of CSFB provided in an embodiment of the present invention, can include：
Network interface 301, memory 302 and processor 303；Various components are coupled by bus system 304.It can
Understand, bus system 304 is used to implement the connection communication between these components.Bus system 304 in addition to including data/address bus,
Further include power bus, controlling bus and status signal bus in addition.But for the sake of clear explanation, in figure 3 by various buses
All it is designated as bus system 304.Wherein, network interface 301, for carrying out process of receiving and sending messages between other ext nal network elements
In, signal sends and receivees；
Memory 302, for storing the computer program that can be run on processor 303；
Processor 303, for when running the computer program, performing：
Triggering terminal sends Attach Request message to Long Term Evolution LTE base station, receives the attachment that the LTE base station is sent and connects
By message；Wherein, the attachment received message carrying is used to indicate the terminal first choice IP multimedia subsystem IMS voice schemes
Carry out the indication information of speech business；
It is tactile according to evading after the terminal establishes the voice VoLTE calls on Long Term Evolution based on the indication information
Sending out the strategy of single wireless voice calling continuity SRVCC flows reduces the signal strength of LTE network, and hangs up the VoLTE
Call；
It triggers the terminal and performs CSFB processes, detect voice call state of the terminal in GSM cell；
Using the voice call state of detection, judge whether the CSFB falls success after rise.
It is appreciated that the memory 302 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Or it may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), be used as external high
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct
Rambus RAM, DRRAM).The memory 302 of system and method described herein be intended to including but not limited to these and it is arbitrary its
It is suitble to the memory of type.
And processor 303 may be a kind of IC chip, the processing capacity with signal.During realization, on
Stating each step of method can be completed by the integrated logic circuit of the hardware in processor 303 or the instruction of software form.
Above-mentioned processor 303 can be general processor, digital signal processor (Digital Signal Processor, DSP),
Application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array
(Field Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor are patrolled
Collect device, discrete hardware components.It can realize or perform disclosed each method, step and the logical box in the embodiment of the present invention
Figure.General processor can be microprocessor or the processor can also be any conventional processor etc..With reference to the present invention
The step of method disclosed in embodiment, can be embodied directly in hardware decoding processor and perform completion or use decoding processor
In hardware and software module combination perform completion.Software module can be located at random access memory, and flash memory, read-only memory can
In the storage medium of this fields such as program read-only memory or electrically erasable programmable memory, register maturation.The storage
Medium is located at memory 302, and processor 303 reads the information in memory 302, and the step of the above method is completed with reference to its hardware
Suddenly.
It is understood that embodiments described herein can use hardware, software, firmware, middleware, microcode or its
It combines to realize.For hardware realization, processing unit can be realized in one or more application-specific integrated circuit (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
Controller, microcontroller, microprocessor, for perform other electronic units of herein described function or its combination in.
For software implementations, can be realized herein by performing the module (such as process, function etc.) of function described herein
The technology.Software code is storable in memory and is performed by processor.Memory can in the processor or
It is realized outside processor.
Specifically, processor 303 are additionally operable to, when running the computer program, perform the upper of the embodiment of the present invention
The step of falling result detection method of the CSFB stated.
In several embodiments provided by the present invention, it should be understood that disclosed method and apparatus can pass through it
Its mode is realized.Apparatus embodiments described above are only schematical, for example, the division of the unit, is only
A kind of division of logic function can have other dividing mode, such as in actual implementation：Multiple units or component can combine or
It is desirably integrated into another system or some features can be ignored or does not perform.In addition, shown or discussed each composition portion
Point mutual coupling or direct-coupling or communication connection can be the INDIRECT COUPLINGs by some interfaces, equipment or unit
Or communication connection, can be electrical, mechanical or other forms.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, be shown as unit
The component shown can be or may not be physical location, you can be located at a place, can also be distributed to multiple network lists
In member；Part or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a second processing unit,
Can also be each unit individually as a unit, can also two or more units integrate in a unit；
The form that hardware had both may be employed in above-mentioned integrated unit is realized, the form that hardware adds SFU software functional unit can also be used real
It is existing.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.
Industrial applicibility
The embodiment of the present invention can LTE network signal weaker so that being unable to maintain that the scene of VoLTE speech qualities under
Detect CSFB during voice call state of the terminal under GSM network, so as to finally determine CSFB falling as a result, so as to
The prioritization scheme of CSFB can further be improved to improve the successful probability of CSFB processes, to promote the calling of user experience.
Claims (16)
1. the falling result detection method of circuit domain dropping CSFB a kind of, the described method includes：
Triggering terminal sends Attach Request message to Long Term Evolution LTE base station, receives the attachment receiving that the LTE base station is sent and disappears
Breath；Wherein, the attachment received message carrying is used to indicate the terminal first choice IP multimedia subsystem IMS voices scheme and carries out
The indication information of speech business；
It is single according to triggering is evaded after the terminal establishes the voice VoLTE calls on Long Term Evolution based on the indication information
The strategy of one wireless voice call continuity SRVCC flows reduces the signal strength of LTE network, and hangs up the VoLTE calls；
It triggers the terminal and performs CSFB processes, detect voice communication of the terminal in global system for mobile communications GSM cell
State；
Using the voice call state of detection, judge whether the CSFB falls success after rise.
It is 2. described to reduce LTE network according to the strategy for evading triggering SRVCC flows according to the method described in claim 1, wherein
Signal strength, can include：
The signal strength of LTE network is reduced, and the signal strength of the LTE network after the reduction is higher than measurement report
The corresponding signal strength of MeasuementReport B2 events.
3. according to the method described in claim 1, wherein, the voice call state using detection judges that the CSFB is
It is no to fall after rise successfully, it can include：
To GSM cell channel request message and voice communication is successfully established when detecting the terminal in default duration
During link, determine that the CSFB is fallen after rise successfully.
4. according to the method described in claim 3, wherein, the method further includes：
When detecting the terminal to GSM cell channel request message, parse and connect from the channel request message
Enter reason for claim value；
Judge whether the access request cause value that the channel request message carries is preset value；
When the access request cause value is the preset value, the terminal is controlled to continue to execute the CSFB processes.
It is described when detecting that the terminal is small to GSM in default duration 5. according to the method described in claim 4, wherein
Area's channel request message and when being successfully established voice communication link, determine the CSFB fall after rise successfully, including：
When detect the terminal in default duration to GSM cell channel request message, and the access request is former
Because value for the preset value when, detection voice communication link whether be successfully established；
When voice communication link establishment success, determine that the CSFB is fallen after rise successfully.
6. according to the method described in claim 4, wherein, the method further includes：
When the access request cause value is not the preset value, determine that the CSFB falls failure after rise；Alternatively,
When the voice communication link is not set up successfully, determine that the CSFB falls failure after rise.
7. according to the method described in claim 1, wherein, the voice call state using detection judges that the CSFB is
It is no fall after rise successfully, including：
When detecting the terminal in default duration not to GSM cell channel request message, the CSFB is determined
Fall failure after rise.
8. the falling result detection device of circuit domain dropping CSFB a kind of, including：Attachment portion, control section, detection part and
Determine part；Wherein,
The attachment portion is configured to triggering terminal and sends Attach Request message to Long Term Evolution LTE base station, receives the LTE
The attachment received message that base station is sent；Wherein, the attachment received message carrying is used to indicate the terminal first choice IP multimedias
Subsystem, IMS voice scheme carries out the indication information of speech business；
The control section is configured to based on the voice VoLTE that the indication information is established on Long Term Evolution lead to when the terminal
After words, the signal strength of LTE network is reduced according to the strategy for evading triggering single wireless voice calling continuity SRVCC flows,
And hang up the VoLTE calls；
The detection part is configured to trigger the terminal execution CSFB processes, and the voice for detecting the terminal in GSM cell leads to
Speech phase；
The definite part is configured to the voice call state using detection, judges whether the CSFB falls success after rise.
9. device according to claim 8, wherein, the control section is configured to reduce the signal strength of LTE network,
And the signal strength of the LTE network after the reduction is higher than the corresponding signal of measurement report MeasuementReport B2 events
Intensity.
10. device according to claim 8, wherein, the definite part is configured to
To GSM cell channel request message and voice communication is successfully established when detecting the terminal in default duration
During link, determine that the CSFB is fallen after rise successfully.
11. device according to claim 10, wherein, the definite part is additionally configured to
When detecting the terminal to GSM cell channel request message, parse and connect from the channel request message
Enter reason for claim value；
Judge whether the access request cause value that the channel request message carries is preset value；
When the access request cause value is the preset value, the terminal is controlled to continue to execute the CSFB processes.
12. according to the devices described in claim 11, wherein, the definite part is additionally configured to：When detecting that the terminal exists
To GSM cell channel request message in default duration, and when the access request cause value is the preset value, detection
Whether voice communication link is successfully established；
The definite part is additionally configured to, when voice communication link establishment success, determine that the CSFB is fallen after rise successfully.
13. according to the devices described in claim 11, wherein, the definite part is additionally configured to：
When the access request cause value is not the preset value, determine that the CSFB falls failure after rise；Alternatively,
When the voice communication link is not set up successfully, determine that the CSFB falls failure after rise.
14. device according to claim 8, wherein, the definite part is additionally configured to：
When detecting the terminal in default duration not to GSM cell channel request message, the CSFB is determined
Fall failure after rise.
15. the falling result detection device of circuit domain dropping CSFB a kind of, including：Processor and for store can be in processor
The memory of the computer program of upper operation, wherein, the processor is for when running the computer program, perform claim will
The step of seeking any one of 1 to 7 the method.
16. a kind of computer readable storage medium, is stored thereon with computer program, wherein, the computer program is by processor
The step of any one of claim 1 to 7 the method is realized during execution.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/104886 WO2019061445A1 (en) | 2017-09-30 | 2017-09-30 | Csfb fallback result detecting method and device and computer storage medium |
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| CN108124513B CN108124513B (en) | 2021-01-29 |
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Cited By (1)
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| CN110691385A (en) * | 2018-07-06 | 2020-01-14 | 中国移动通信有限公司研究院 | Voice service processing method and device, related equipment and storage medium |
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| WO2019061445A1 (en) | 2019-04-04 |
| CN108124513B (en) | 2021-01-29 |
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