CN106804049A - A kind of different-system switching method and device - Google Patents
A kind of different-system switching method and device Download PDFInfo
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- CN106804049A CN106804049A CN201510843577.3A CN201510843577A CN106804049A CN 106804049 A CN106804049 A CN 106804049A CN 201510843577 A CN201510843577 A CN 201510843577A CN 106804049 A CN106804049 A CN 106804049A
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- volte
- different system
- system switching
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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
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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
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of different-system switching method and device.In the method, base station determines the terminal of pending different system switching；If the terminal sets up the carrying having for VOLTE data transfers, but not yet passing the carrying carries out VOLTE voice calls, different system switching wouldn't be then carried out to the terminal, different system switching is carried out to the terminal again detecting after the terminal carries out VOLTE voice calls by the carrying.During present invention, avoiding switching due to carrying out different system, while the audio call of VOLTE has been initiated, and the handoff failure for causing.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of different-system switching method and device.
Background technology
LTE (Long Term Evolution, Long Term Evolution) is by 3GPP (The 3rd Generation
Partnership Project, third generation partner program) UMTS (the Universal Mobile that organize to set up
Telecommunications System, UMTS) technical standard Long Term Evolution.LTE
The problem of the voice transfer in network, commonly uses LTE network and direct transfers, i.e. VOLTE (Voice over LTE,
Speech business in LTE network) solve, VOLTE realizes the high-quality being carried in LTE network
Sound, video calling.
GSM (Global System for Mobile Communication, global system for mobile communications) is
The most commonly used mobile phone standard of current application.The technology maturation of GSM, equipment stabilization, cost performance is high,
It is the primary solutions of current speech business, still has development space in following longer period of time.
It is contemplated that LTE, GSM network will coexist in the future for a long period of time, this networks trategy
Tight demand is proposed for the interoperability between LTE and gsm system.However, user reaches different system
Switching condition, prepare from LTE switch to GSM when, if user simultaneously initiate be based on SIP (Session
Initiation Protocol, session initiation protocol) VOLTE audio calls, because SIP is not known in base station
Application layer signaling process, can cause handoff failure.
The content of the invention
A kind of different-system switching method and device are the embodiment of the invention provides, for reducing terminal from LTE systems
When system switches to gsm system, while the audio call of VOLTE is initiated, and the handoff failure for causing.
A kind of different-system switching method that one embodiment of the present of invention is provided, including：
Base station determines the terminal of pending different system switching；
If the terminal sets up the carrying having for the speech business VOLTE data transfers in LTE network,
But not yet passing the carrying carries out VOLTE voice calls, then different system switching wouldn't be carried out to the terminal,
Different system is carried out to the terminal again detecting after the terminal carries out VOLTE voice calls by the carrying
System switching.
Detect whether the terminal by the carrying carries out VOLTE voice calls especially by the following manner：
Detect the data traffic in the carrying；
If the flow of every first duration carries out VOLTE more than a packet, the terminal by the carrying
Voice call；Otherwise, the terminal not yet passes the carrying and carries out VOLTE voice calls；Wherein, institute
State the length in the data packet transfer cycle of a length of VOLTE speech businesses quiet period when first.
Before the terminal that the base station determines pending different system switching, detect terminal establish for
During the carrying of VOLTE data transfers, the monitoring thread to the terminal is opened；
After detecting the terminal and carrying out VOLTE voice calls by the carrying, discharge to the end
The monitoring thread at end；
The base station determines the terminal of pending different system switching, including：
For the terminal of the monitoring thread that is unlocked, if receiving the survey for the switching of different system of terminal transmission
Amount report, it is determined that the terminal is the terminal of pending different system, and detects whether the terminal is held by this
It is loaded into row VOLTE voice calls.
Before the terminal that the base station determines pending different system switching, detect terminal establish for
The carrying of VOLTE data transfers, and the terminal to report crosses A2 measurement reports, then open to the terminal
Monitoring thread.
The carrying for VOLTE data transfers, refers to the carrying of service quality rating QCI=1.
A kind of base station that one embodiment of the present of invention is provided, including：
Determining module, the terminal for determining pending different system switching；
Different system handover module, if set up for the terminal having for the speech business in LTE network
The carrying of VOLTE data transfers, but not yet pass the carrying and carry out VOLTE voice calls, then wouldn't be right
The terminal carries out different system switching, detect the terminal by the carrying carry out VOLTE voices lead to
Carry out different system switching after words to the terminal again.
The base station also includes detection module, for detecting whether the terminal is held by this in the following manner
It is loaded into row VOLTE voice calls：
Detect the data traffic in the carrying；
If the flow of every first duration carries out VOLTE more than a packet, the terminal by the carrying
Voice call；Otherwise, the terminal not yet passes the carrying and carries out VOLTE voice calls；Wherein, institute
State the length in the data packet transfer cycle of a length of VOLTE speech businesses quiet period when first.
The base station also includes monitoring module, the terminal for determining pending different system switching in the base station
Before, when detecting terminal and establishing the carrying for VOLTE data transfers, open to the terminal
Monitoring thread；After detecting the terminal and carrying out VOLTE voice calls by the carrying, it is right to discharge
The monitoring thread of the terminal；
The determining module, specifically for the terminal for the monitoring thread that is unlocked, if receiving terminal hair
The measurement report for the switching of different system for sending, it is determined that the terminal is the terminal of pending different system switching,
And indicate detection module to detect whether the terminal carries out VOLTE voice calls by the carrying.
The monitoring module, specifically for, before the terminal that determining module determines pending different system switching,
Detect terminal and establish carrying for VOLTE data transfers, and the terminal to report crosses A2 measurements
Report, then open the monitoring thread to the terminal.
The carrying for VOLTE data transfers, refers to the carrying of service quality rating QCI=1.
In the above embodiment of the present invention, base station for needing to carry out the terminal of different system switching, if judging it
Foundation has the carrying for VOLTE data transfers and not yet carries out VOLTE voice calls, then wouldn't enter
The different system switching of row, different system switching is carried out after waiting the terminal to carry out VOLTE voice calls to it again,
When switching due to carrying out different system so as to avoid, while having initiated the audio call of VOLTE, and cause
Handoff failure.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, institute in being described to embodiment below
The accompanying drawing for needing to use is briefly introduced, it should be apparent that, drawings in the following description are only of the invention
Some embodiments, for one of ordinary skill in the art, are not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is different-system switching method schematic flow sheet provided in an embodiment of the present invention；
Fig. 2 is three kinds of schematic diagrames of state that VOLTE speech businesses in the prior art include；
Fig. 3 is the schematic flow sheet of the specific embodiment of different-system switching method provided in an embodiment of the present invention；
Fig. 4 is the structural representation of base station provided in an embodiment of the present invention.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing to this hair
It is bright to be described in further detail, it is clear that described embodiment is only some embodiments of the invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out all other embodiment obtained under the premise of creative work, belong to the scope of protection of the invention.
SRVCC (Single Radio Voice Call Continuity) is a kind of VOLTE that 3GPP is proposed
Voice business continuity scheme, primarily to solving when injection frequency terminal is in LTE network and 2G
(2-Generation wireless telephone technology, second generation mobile communication technology)/3G
(3rd-Generation, G mobile communication) CS (Circuit Switched, circuit switching) net
When being moved between network, how to ensure the problem of continuous voice call, that is, ensure injection frequency terminal in IMS (IP
Multimedia Subsystem, IP multimedia subsystem) control VoIP (Voice over Internet
Protocol, the networking telephone) taking over seamlessly between voice and CS domains voice.VOLTE is based on IMS
The voice service standard of network.SIP is a signaling control protocol for application layer, for creating, change and
The session of one or more participants is discharged, be can be used in numerous application and service, including interactive entertainment,
Music and video request program and voice, video and Web meetings.
IMS frameworks based on SIP are moved by reusing Internet technologies and agreement to greatest extent, inheriting honeycomb
The dynamic distinctive network technology of communication system and fully reference flexible exchanging network technology, can provide QoS
(Quality of Service, service quality) ensures, and is provided with the strong of fusion disparate networks integrated service
Big ability.VOLTE is namely based on the application of the IMS frameworks of SIP.
However, SIP belongs to application layer protocol, it is sightless for base station side, therefore as user from LTE
When system switches to gsm system, at the same initiate VOLTE audio call, caused by handoff failure.
Regarding to the issue above, a kind of different-system switching method is the embodiment of the invention provides, is used to solve existing
When switching due to different system present in technology, at the same initiate VOLTE audio call, caused by cut
Change failure problem.
It is the schematic flow sheet of different-system switching method provided in an embodiment of the present invention referring to Fig. 1, such as figure institute
Show, the flow may include following steps：
Step 101：Base station determines the terminal of pending different system switching.
Under normal circumstances, the configurable terminal in base station carries out the measurement for the switching of different system, when terminal is based on being somebody's turn to do
Measurement configuration is measured and carries out reporting for measurement report after the indicated condition of measurement configuration is met.
If base station receives the measurement report for the switching of different system of terminal transmission, the terminal can be defined as
The terminal of pending different system switching.
Step 102：Base station judges whether terminal sets up the carrying but not yet for VOLTE data transfers
VOLTE voice calls are carried out by the carrying；Step 103 is transferred to if above-mentioned condition is met, is otherwise turned
Enter step 104.
Specifically, the above-mentioned carrying for VOLTE data transfers, refer to QCI (QoS Class Identifier,
Service quality rating identify) be 1 carrying.
QCI is a scale value, and SDF (Service Data Flow, clothes are specifically supplied to for weighing
Business data flow) bag forwarding behavior, such as packet loss, Packet Delay Budget etc., it is applied to GBR simultaneously
(Guaranteed Bit Rate, it is ensured that bit rate) and Non-GBR (non-guaranteed bit rate) are carried, and are used
In specifying the control that defines in accessed node to carry level packet pass-through mode, such as dispatch weight, receive thresholding,
Queue management thresholding, link layer protocol configuration etc., these are all pre-configured with access network node by operator.
Wherein, the carrying of QCI=1 is conversed for service voice, and the carrying of QCI=5 is used to service transmission IMS
Signal, can be used to transmit SIP signalings.
Specifically, whether base station can detect terminal by for VOLTE data transfers by following methods
Carrying carry out VOLTE voice calls：
The data traffic in the carrying of QCI=1 is detected, if the flow of every first duration is more than a packet,
Then terminal carries out VOLTE voice calls by the carrying；Otherwise, terminal not yet passes the carrying and carries out
VOLTE voice calls.Wherein, first when a length of VOLTE speech businesses quiet period data packet transfer
The length in cycle.
VOLTE speech businesses include two states, as shown in Figure 2：
The call phase：Refer to the state that correspondence user is conversing, under talking state, one is transmitted per 20ms
Packet.The data package size of activation phase depends on the current code rate for participating in.
Quiet period：Refer to the state that correspondence user's communication pauses, a packet is sent at interval of 160ms, should
Packet is a very short SID (Silence Insertion Descriptor) frame, the SID frame be in order to
The noise frame that lifting user experiences and sends.
Whether detection terminal in base station carries out VOLTE voices by the carrying for VOLTE data transfers leads to
Whether words, that is, detect the terminal in the call phase.If base station detects flow of the terminal per 160ms more than one
Individual packet, that is, represent that the terminal is in call phase, i.e. terminal by holding for VOLTE data transfers
It is loaded into row VOLTE voice calls.
Step 103：Base station wouldn't carry out different system switching to the terminal, be held by this terminal is detected
Different system switching is carried out to the terminal again after being loaded into row VOLTE voice calls.
Terminal is set up carrying for VOLTE data transfers, but not yet passes the carrying and carry out VOLTE
Voice call, if now carrying out different system switching to the terminal, due to base station for application layer SIP signalings not
It can be seen that, handoff failure can be caused.
Step 104：Base station carries out different system switching to the terminal.
If terminal does not set up the carrying for VOLTE data transfers, will not occur due to when system switches
The audio call of initiating VOLTE simultaneously and the handoff failure that causes, therefore different system can be carried out to the terminal
System switching.If terminal carries out VOLTE voice calls by the carrying, above mentioned problem will not be also produced,
Different system switching can be carried out to it.
Alternatively, before step 101 is carried out, base station can also detect terminal establish for
During the carrying of VOLTE data transfers, the monitoring thread to terminal is opened；Held by this terminal is detected
It is loaded into after row VOLTE voice calls, monitoring thread of the release to terminal.
For the terminal of the monitoring thread that is unlocked, if base station receives switching for different system for terminal transmission
Measurement report, it is determined that the terminal is the terminal of pending different system, and detect the terminal whether by should
Carrying carries out VOLTE voice calls.
Base station can be to all terminal unlatching monitoring lines established for the carrying of VOLTE data transfers
Journey, it is also possible to monitoring thread only is opened to the particular terminal established for the carrying of VOLTE data transfers.
Preferably, base station detects terminal and establishes carrying for VOLTE data transfers, and the terminal
A2 measurement reports were reported, then opened the monitoring thread to the terminal.
In order to reduce the treating capacity of base station, terminal that can be only to cell edge is carried out described in above-described embodiment
Monitoring thread, refuses Cell Center User monitoring.Because terminal to report A2 measurement reports are touched by event
Hair, if the terminal currently connection Serving cell RSRP (Reference Signal Receiving Power,
Reference Signal Received Power) value be less than threshold value when, terminal to report measurement report.Therefore, terminal to report A2
Measurement report, then it represents that the terminal is in the non-central location of the Serving cell of current connection, it may be necessary to
Carry out the switching of different system.
In order to be more clearly understood that the above embodiment of the present invention, below by taking a concrete application as an example, to this
The process that implements of invention above-described embodiment is described.
Base station was only to reporting A2 measurement reports and establishing end of carrying for VOLTE data transfers
Monitoring thread is opened at end, and is the carrying of QCI=1 for VOLTE data transfers.Its idiographic flow can be such as
Shown in Fig. 3, comprise the following steps：
Step 301：Base station issues A2 measurements to the terminal for accessing the base station and indicates.
Step 302：Whether terminal to reporting A2 measurement reports, detects its carrying for setting up QCI=1,
If establishing the carrying of QCI=1, step 303 is transferred to, is otherwise transferred to step 306.
If terminal to report A2 measurement reports, illustrate that the RSRP values of the Serving cell that the terminal is currently connected are small
In threshold value, represent that the terminal is in the non-central location of the Serving cell of current connection, it may be necessary to enter
The switching of the different system of row.
Step 303：Whether the data traffic in the carrying of QCI=1 per 160ms is detected more than a packet,
If step 304 is transferred to not less than if, step 306 is transferred to if exceeding.
When the data traffic in above-mentioned carrying per 160ms is not less than a packet, represent that the terminal is in
The quiet period of VOLTE speech businesses, it is impossible to carry out the switching from LTE to gsm system.
When the data traffic in above-mentioned carrying per 160ms is more than a packet, represent that the terminal is in
The call phase of VOLTE speech businesses, the switching from LTE to gsm system can be carried out.
Step 304：Monitor the terminal whether report for switch measurement report, if reporting measurement reports,
Step 305 is then transferred to, step 306 is otherwise transferred to.
Step 305：The terminal wouldn't be switched over, and be transferred to step 302, continue to detect QCI=1's
Data traffic in carrying.
If now for terminal enter switching, due to carry out from LTE system switch to gsm system when, while
Initiate the audio call of VOLTE, and the handoff failure for causing.Therefore the terminal wouldn't be carried out from LTE
To the switching of GSM.
Step 306：Processed according to operation of the prior art.
If terminal does not set up the carrying of QCI=1, will not occur due to being initiated when system switches simultaneously
The audio call of VOLTE and the handoff failure that causes, therefore can be operated according to prior art.
If data traffic of the terminal in the carrying of QCI=1 per 160ms is more than a packet, representing should
Terminal has carried out VOLTE voice calls, can carry out the switching from LTE to gsm system, can be with
Operated according to prior art.
In the above embodiment of the present invention, base station for needing to carry out the terminal of different system switching, if judging it
Foundation has the carrying of VOLTE data transfers and not yet carries out VOLTE voice calls, then wouldn't carry out different
System switches, and different system switching is carried out to it again after waiting the terminal to carry out VOLTE voice calls, so that
Avoid due to carry out from LTE system switch to gsm system when, while having initiated the voice of VOLTE
Calling, and the handoff failure for causing.
Based on identical technology design, the embodiment of the present invention additionally provides a kind of base station, and the base station can be realized
The above-mentioned different system switching flow of the embodiment of the present invention.
It is the schematic flow sheet of base station provided in an embodiment of the present invention referring to Fig. 4, as illustrated, the base station
Including：Determining module 401 and different system handover module 402, further, the base station can also include inspection
Survey module 403, monitoring module 404.
Determining module 401, the terminal for determining pending different system switching；
Different system handover module 402, if set up for terminal having for the speech business in LTE network
The carrying of VOLTE data transfers, but not yet pass the carrying and carry out VOLTE voice calls, then wouldn't be right
Terminal carries out different system switching, right again after terminal carries out VOLTE voice calls by the carrying detecting
Terminal carries out different system switching.
Further, the base station can also include detection module 403, for detecting terminal by following manner
Whether VOLTE voice calls are carried out by the carrying：
The data traffic in the carrying of QCI=1 is detected, if the flow of every first duration is more than a packet,
Then terminal carries out VOLTE voice calls by the carrying；Otherwise, terminal not yet passes the carrying and carries out
VOLTE voice calls；Wherein, first when a length of VOLTE speech businesses quiet period data packet transfer
The length in cycle.
VOLTE speech businesses include three kinds of states：
Transient state：Refer to that each business sets up initial stage still unstabilized state, the packet under this state is larger.
The call phase：Refer to the state that correspondence user is conversing, under talking state, one is transmitted per 20ms
Packet.The data package size of activation phase depends on the current code rate for participating in.
Quiet period：Refer to the state that correspondence user's communication pauses, a packet is sent at interval of 160ms, should
Packet is a very short SID (Silence Insertion Descriptor) frame, the SID frame be in order to
The noise frame that lifting user experiences and sends.
Whether the detection of detection module 403 terminal carries out VOLTE voice calls by the carrying of QCI=1, i.e.,
Detect the terminal whether in the call phase.If detecting flow of the terminal per 160ms more than a packet,
Represent that the terminal carries out VOLTE voice calls in call phase, i.e. terminal by the carrying of QCI=1.
Alternatively, the base station can also include monitoring module 404, for determining pending different system in base station
Before the terminal of switching, when detecting terminal and establishing the carrying for VOLTE data transfers, it is right to open
The monitoring thread of terminal；After detecting terminal and carrying out VOLTE voice calls by the carrying, release
To the monitoring thread of terminal.
Alternatively, above-mentioned determining module 401, can be also used for the terminal for the monitoring thread that is unlocked, if
Receive the measurement report for the switching of different system of terminal transmission, it is determined that the terminal is pending different system
The terminal of system switching, and indicate detection module to detect whether terminal carries out VOLTE voices and lead to by the carrying
Words.
Specifically, before the terminal that determining module 401 determines pending different system switching, detection module 403
Detect terminal and establish carrying for VOLTE data transfers, and the terminal to report crosses A2 measurement reports
Accuse, then open the monitoring thread to the terminal.
In order to reduce the treating capacity of base station, terminal that can be only to cell edge is carried out described in above-described embodiment
Monitoring thread, refuses Cell Center User monitoring.Because terminal to report A2 measurement reports are touched by event
Hair, if the RSRP values of Serving cell that connects when front end of the end are less than threshold value, terminal unlatching A2 surveys
Amount, and reported.Therefore, terminal to report A2 measurement reports, then it represents that the terminal is not current connection
Serving cell central user.
Specifically, the above-mentioned carrying for VOLTE data transfers, refers to service quality rating QCI=1
Carry.
QCI is a scale value, and SDF (Service Data Flow, clothes are specifically supplied to for weighing
Business data flow) bag forwarding behavior, such as packet loss, Packet Delay Budget etc., it is applied to GBR simultaneously
(Guaranteed Bit Rate, it is ensured that bit rate) and Non-GBR (non-guaranteed bit rate) are carried, and are used
In specifying the control that defines in accessed node to carry level packet pass-through mode, such as dispatch weight, receive thresholding,
Queue management thresholding, link layer protocol configuration etc., these are all pre-configured with access network node by operator.
Wherein, the carrying of QCI=1 is conversed for service voice, and the carrying of QCI=5 is used to service transmission IMS
Signal, can be used to transmit SIP signalings.
In the above embodiment of the present invention, base station for needing to carry out the terminal of different system switching, if judging it
Foundation has the carrying of VOLTE data transfers and not yet carries out VOLTE voice calls, then wouldn't carry out different
System switches, and different system switching is carried out to it again after waiting the terminal to carry out VOLTE voice calls, so that
Avoid due to carry out from LTE system switch to gsm system when, while having initiated the voice of VOLTE
Calling, and the handoff failure for causing.
The present invention is produced with reference to method according to embodiments of the present invention, equipment (system) and computer program
The flow chart and/or block diagram of product is described.It should be understood that can by computer program instructions realize flow chart and
/ or block diagram in each flow and/or the flow in square frame and flow chart and/or block diagram and/
Or the combination of square frame.These computer program instructions to all-purpose computer, special-purpose computer, insertion can be provided
The processor of formula processor or other programmable data processing devices is producing a machine so that by calculating
The instruction of the computing device of machine or other programmable data processing devices is produced for realizing in flow chart one
The device of the function of being specified in individual flow or multiple one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or the treatment of other programmable datas to set
In the standby computer-readable memory for working in a specific way so that storage is in the computer-readable memory
Instruction produce include the manufacture of command device, the command device realization in one flow of flow chart or multiple
The function of being specified in one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices, made
Obtain and series of operation steps is performed on computer or other programmable devices to produce computer implemented place
Reason, so as to the instruction performed on computer or other programmable devices is provided for realizing in flow chart one
The step of function of being specified in flow or multiple one square frame of flow and/or block diagram or multiple square frames.
, but those skilled in the art once know base although preferred embodiments of the present invention have been described
This creative concept, then can make other change and modification to these embodiments.So, appended right will
Ask and be intended to be construed to include preferred embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this hair to the present invention
Bright spirit and scope.So, if it is of the invention these modification and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of different-system switching method, it is characterised in that including：
Base station determines the terminal of pending different system switching；
If the terminal sets up the carrying having for the speech business VOLTE data transfers in LTE network,
But not yet passing the carrying carries out VOLTE voice calls, then different system switching wouldn't be carried out to the terminal,
Different system is carried out to the terminal again detecting after the terminal carries out VOLTE voice calls by the carrying
System switching.
2. the method for claim 1, it is characterised in that detect the terminal in the following manner
Whether VOLTE voice calls are carried out by the carrying：
Detect the data traffic in the carrying；
If the flow of every first duration carries out VOLTE more than a packet, the terminal by the carrying
Voice call；Otherwise, the terminal not yet passes the carrying and carries out VOLTE voice calls；Wherein, institute
State the length in the data packet transfer cycle of a length of VOLTE speech businesses quiet period when first.
3. the method for claim 1, it is characterised in that also include：
Before the terminal that the base station determines pending different system switching, detect terminal establish for
During the carrying of VOLTE data transfers, the monitoring thread to the terminal is opened；
After detecting the terminal and carrying out VOLTE voice calls by the carrying, discharge to the end
The monitoring thread at end；
The base station determines the terminal of pending different system switching, including：
For the terminal of the monitoring thread that is unlocked, if receiving the survey for the switching of different system of terminal transmission
Amount report, it is determined that the terminal is the terminal of pending different system, and detects whether the terminal is held by this
It is loaded into row VOLTE voice calls.
4. method as claimed in claim 3, it is characterised in that it is described determine in the base station it is pending
Before the terminal of different system switching, when detecting terminal and establishing the carrying for VOLTE data transfers,
The monitoring thread to the terminal is opened, including：
Before the terminal that the base station determines pending different system switching, detect terminal establish for
The carrying of VOLTE data transfers, and the terminal to report crosses A2 measurement reports, then open to the terminal
Monitoring thread.
5. the method as any one of Claims 1-4, it is characterised in that described for VOLTE
The carrying of data transfer, refers to the carrying of service quality rating QCI=1.
6. a kind of base station, it is characterised in that including：
Determining module, the terminal for determining pending different system switching；
Different system handover module, if set up for the terminal having for the speech business in LTE network
The carrying of VOLTE data transfers, but not yet pass the carrying and carry out VOLTE voice calls, then wouldn't be right
The terminal carries out different system switching, detect the terminal by the carrying carry out VOLTE voices lead to
Carry out different system switching after words to the terminal again.
7. base station as claimed in claim 6, it is characterised in that also include：
Detection module, for detecting whether the terminal by the carrying carries out VOLTE in the following manner
Voice call：
Detect the data traffic in the carrying；
If the flow of every first duration carries out VOLTE more than a packet, the terminal by the carrying
Voice call；Otherwise, the terminal not yet passes the carrying and carries out VOLTE voice calls；Wherein, institute
State the length in the data packet transfer cycle of a length of VOLTE speech businesses quiet period when first.
8. base station as claimed in claim 6, it is characterised in that also include：
Monitoring module, for before the terminal that the base station determines pending different system switching, detecting end
When end establishes the carrying for VOLTE data transfers, the monitoring thread to the terminal is opened；In inspection
After measuring the terminal and carrying out VOLTE voice calls by the carrying, the monitoring to the terminal is discharged
Thread；
The determining module, specifically for the terminal for the monitoring thread that is unlocked, if receiving terminal hair
The measurement report for the switching of different system for sending, it is determined that the terminal is the terminal of pending different system switching,
And indicate detection module to detect whether the terminal carries out VOLTE voice calls by the carrying.
9. base station as claimed in claim 8, it is characterised in that the monitoring module, specifically for：
Before the terminal that determining module determines pending different system switching, detect terminal establish for
The carrying of VOLTE data transfers, and the terminal to report crosses A2 measurement reports, then open to the terminal
Monitoring thread.
10. the base station as described in any one in claim 6 to 8, it is characterised in that described to be used for
The carrying of VOLTE data transfers, refers to the carrying of service quality rating QCI=1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843577.3A CN106804049B (en) | 2015-11-26 | 2015-11-26 | Inter-system switching method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951878A (en) * | 2017-12-20 | 2019-06-28 | 中国移动通信集团山东有限公司 | A kind of voice service switching method, terminal device, network side equipment and system |
| CN110113770A (en) * | 2018-02-01 | 2019-08-09 | 大唐移动通信设备有限公司 | A kind of method and device reducing VoLTE packet loss |
| CN110392393A (en) * | 2019-06-19 | 2019-10-29 | 中国移动通信集团湖北有限公司 | For the business delamination process and device of VoLTE voice service and data service |
| CN111629384A (en) * | 2019-02-27 | 2020-09-04 | 大唐移动通信设备有限公司 | Call completion rate improving method and base station |
| CN111698697A (en) * | 2019-03-12 | 2020-09-22 | 大唐移动通信设备有限公司 | Voice service processing method and base station |
| CN111801964A (en) * | 2018-07-13 | 2020-10-20 | 华为技术有限公司 | Wireless communication method and device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104994542A (en) * | 2015-07-08 | 2015-10-21 | 华为技术有限公司 | Control method of inter-system detection events and user equipment |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104994542A (en) * | 2015-07-08 | 2015-10-21 | 华为技术有限公司 | Control method of inter-system detection events and user equipment |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951878A (en) * | 2017-12-20 | 2019-06-28 | 中国移动通信集团山东有限公司 | A kind of voice service switching method, terminal device, network side equipment and system |
| CN109951878B (en) * | 2017-12-20 | 2021-07-09 | 中国移动通信集团山东有限公司 | Voice service switching method, terminal equipment, network side equipment and system |
| CN110113770A (en) * | 2018-02-01 | 2019-08-09 | 大唐移动通信设备有限公司 | A kind of method and device reducing VoLTE packet loss |
| CN111801964A (en) * | 2018-07-13 | 2020-10-20 | 华为技术有限公司 | Wireless communication method and device |
| CN111801964B (en) * | 2018-07-13 | 2021-12-31 | 华为技术有限公司 | Wireless communication method and device |
| CN111629384A (en) * | 2019-02-27 | 2020-09-04 | 大唐移动通信设备有限公司 | Call completion rate improving method and base station |
| CN111629384B (en) * | 2019-02-27 | 2021-12-03 | 大唐移动通信设备有限公司 | Call completion rate improving method and base station |
| CN111698697A (en) * | 2019-03-12 | 2020-09-22 | 大唐移动通信设备有限公司 | Voice service processing method and base station |
| CN111698697B (en) * | 2019-03-12 | 2022-03-29 | 大唐移动通信设备有限公司 | Voice service processing method and base station |
| CN110392393A (en) * | 2019-06-19 | 2019-10-29 | 中国移动通信集团湖北有限公司 | For the business delamination process and device of VoLTE voice service and data service |
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