CN107222896A - A kind of switching method of voice service and base station - Google Patents
A kind of switching method of voice service and base station Download PDFInfo
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- CN107222896A CN107222896A CN201610166691.1A CN201610166691A CN107222896A CN 107222896 A CN107222896 A CN 107222896A CN 201610166691 A CN201610166691 A CN 201610166691A CN 107222896 A CN107222896 A CN 107222896A
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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
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
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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
- H04W36/0085—Hand-off measurements
- H04W36/0088—Scheduling hand-off measurements
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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Abstract
The invention discloses a kind of switching method of voice service and base station, wherein, methods described includes：The measurement report that base station receiving terminal is reported；Base station detects whether the carrying for carrying VoLTE voice services sets up；If set up, the call state of voice service is detected in base station；Base station issues the different system handoff threshold of data service according to the call state to terminal.
Description
Technical field
The present invention relates to switching method and the base station of wireless technology, more particularly to a kind of voice service.
Background technology
Voice service (Voice over Long Term Evolution, VoLTE) is forth generation (4G) network
The solution of voice-over business.When voice service user carries out VoLTE callings in 4G networks, move
When moving out of 4G wireless coverages, to keep the continuity of voice service to switch, it is necessary to which VoLTE is called
To the second generation or the third generation (2/3G) lattice network domain speech bearing mode.Ongoing VoLTE is talked about
Sound business from 4G switch to 2/3G scheme for enhanced single wireless voice calling continuity (eSRVCC,
Enhanced Single Radio Voice Call Continuity) handover scheme.
It when user carries out voice service, need to first undergo that " caller dialing-caller is connected to ring back tone, and-called off-hook-is logical
Words are connected " these signalling interactive process, then it could carry out normal voice service.Fig. 1-1 is related skill
The schematic flow sheet that aSRVCC, bSRVCC and eSRVCC switch in art, as Figure 1-1, eSRVCC
It is only applicable to after the connection of VoLTE speeches, jargon is entered to 2/3G networks when user moves out 4G coverages
Sound business switches.After the carrying of 4G network dialogue sound business is set up, shaken if be connected in caller
When user moves out 4G coverings after tone, before called off-hook, the single wireless language that will enter in line ringing
Voice call continuity (aSRVCC, alerting Single Radio Voice Call Continuity) handoff procedure；
When moving out 4G coverings if user even before caller is connected to ring back tone, the list before line ringing will be entered
One wireless voice call continuity (bSRVCC, before Single Radio Voice Call Continuity)
Handoff procedure.
At present, eSRVCC handover schemes have ripe end-to-end solution, it is ensured that 4G VoLTE
Business successful switch is to 2/3G.ASRVCC handover scheme existing networks have been supported, but bSRVCC handover schemes are related to
And network upgrade and end-to-end transformation, and support bSRVCC terminal be version 12 (R12) terminal,
The time for introducing existing network is very delayed, and existing network can not also support successful bSRVCC to switch.Thus existing network one
Denier triggers bSRVCC, so as to call setup will be caused to fail.
The content of the invention
In view of this, the embodiment of the present invention provides one to solve at least one problem present in prior art
Switching method and the base station of voice service are planted, bSRVCC switchings will not be triggered, so as to avoid existing network introducing
Call setup failure caused by before bSRVCC handoff solutions.
What the technical scheme of the embodiment of the present invention was realized in：
In a first aspect, the embodiment of the present invention provides a kind of switching method of voice service, methods described includes：
The measurement report that base station receiving terminal is reported；
Base station detects whether the carrying for voice-over business sets up；
If set up, the call state of voice service is detected in base station；
Base station issues the different system handoff threshold of data service according to the call state to terminal.
Second aspect, the embodiment of the present invention provides a kind of base station, and the base station includes the first receiving unit, the
One detection unit, the second detection unit and the first issuance unit, wherein：
First receiving unit, the measurement report reported for receiving terminal；
First detection unit, for detecting whether the carrying for voice-over business sets up；
Second detection unit, if for setting up, detecting the call state of voice service；
First issuance unit, the different system for issuing data service to terminal according to the call state
Handoff threshold.
The embodiment of the present invention provides switching method and the base station of a kind of voice service, wherein, base station receiving terminal
The measurement report reported；Base station detects whether the carrying for voice-over business sets up；If set up, base
The call state for detection voice service of standing；Base station issues the different of data service according to the call state to terminal
System handoff threshold；In this way, bSRVCC switchings will not be triggered, so that avoiding existing network introduces bSRVCC
Call setup failure caused by before handoff solution.
Brief description of the drawings
Fig. 1-1 is the schematic flow sheet of aSRVCC, bSRVCC and eSRVCC switching in correlation technique；
Fig. 1-2 issues the schematic diagram one of different system B2 handoff thresholds for base station in correlation technique；
Fig. 1-3 issues the schematic diagram two of different system B2 handoff thresholds for base station in correlation technique；
Fig. 1-4 is the VoLTE service switching schematic flow sheets of base station in correlation technique；
Fig. 2 is the implementation process schematic diagram of the switching method of the voice service of the embodiment of the present invention one；
Fig. 3 is the implementation process schematic diagram of the switching method of the voice service of the embodiment of the present invention two；
Fig. 4 is the implementation process schematic diagram of the switching method of the voice service of the embodiment of the present invention three；
Fig. 5 is the composition structural representation of the base station of the embodiment of the present invention four.
Embodiment
In order to be better understood from the technical scheme of the embodiment of the present invention, base station in correlation technique is first introduced
VoLTE service switching flows, Fig. 1-4 is the VoLTE service switching schematic flow sheets of base station in correlation technique,
As Figure 1-4, the flow includes：
Step S201, VoLTE user carries out packet-based core networks (EPC, Evolved Packet Core) note
Volume and IP multimedia subsystem (IMS, IP Multimedia Subsystem) registration；
Step S202, base station issues A2 measurement control conditions；
Here, base station issues A2 measurement requests to terminal, and A2 measurement controls are carried in the measurement request
Condition, A2 measurement control conditions are used to require when the signal quality that terminal measures persistent district is less than different system
During B2 handoff thresholds 1, A2 measurement reports are reported；
Step S203, terminal reports A2 measurement reports；
Here, the A2 that terminal is issued according to base station, which is measured, to be asked, and terminal carries out A2 measurements, works as measurement result
Meet after report condition, A2 measurement reports are sent to base station.
Step S204, base station has detected whether QCI=1 carryings, when being, into step S209；Conversely,
Into step S205；
Here, according to third generation partner program (3GPP, 3rd Generation Partnership Project)
Relevant criterion, such as the 6.1.7.2 sections " QCI characteristics (Standardized of standardization in 3GPP 23.203
QCI characteristics) " understand, QCI=1 corresponds to the session voice business (VoLTE i.e. in the application
Voice service), QCI=2 corresponds to video session (live media data flow), and QCI=3 corresponds to real-time trip
Play, QCI=4 corresponds to non-video session etc..
Step S205, base station issues data service B2 measurements；
Here, base station sends data service B2 measurements to terminal and asked, and then terminal is according to data service B2
Measurement request carries out data service B2 measurements, after measurement result meets report condition, by data service B2
Measurement report is sent to base station；
Whether step S206, base station is connected to terminal data business B2 measurement reports, when being, into step S208；
Conversely, into step S207；
Step S207, user resides in 4G；
Step S208,2/3G networks are switched to by data service；
Step S209, base station issues voice service B2 measurements；
Here, base station sends voice service B2 measurements to terminal and asked, and then terminal is according to voice service B2
Measurement request carries out voice service B2 measurements, after measurement result meets report condition, by voice service B2
Measurement report is sent to base station；
Whether step S210, base station is connected to terminal voice service B2 measurement reports, when being, into step S212；
Conversely, into step S211；
Step S211, user carries out VoLTE voice services in 4G；
Step S212,2/3G is switched to by VoLTE speeches；
Here, the VoLTE speeches switching in step S212 includes containing aSRVCC/bSRVCC/eSRVCC
Switching flow.
From the flow shown in Fig. 1-4 can be seen that 1) VoLTE user access 4G networks when, will carry out
Packet-based core networks (EPC, Evolved Packet Core) are registered and IP multimedia subsystem (IMS, IP
Multimedia Subsystem) registration, terminal sets up QCI=5 carrying, for transmitting VoLTE speeches
The signaling of business.Base station issues A2 measurement control conditions to terminal, and A2 measurement control conditions are used to require to work as
When the signal quality that terminal measures persistent district is less than different system B2 handoff thresholds 1, A2 measurement reports are reported
Accuse (referring to step S201 to step S203)；
2) when base station receives the A2 measurement reports that terminal is reported, terminal is in wireless weak overlay area.
Base station detects whether the carrying of the QCI=1 for carrying VoLTE voice services sets up (referring to step S204),
If user does not initiate VoLTE callings, QCI=1 carrying is not set up, then issues the different system of data service
B2 handoff thresholds 2 (as shown in Figure 1-2), when the signal quality for the 2/3G systems that terminal is measured is higher than necessarily
When access thresholding and the signal quality of 4G persistent districts are less than different system B2 handoff thresholds 2, user is cut
Change to 2/3G networks.This process determines that the coverage of 4G data service customers switches for different system B2
Thresholding 2.
3) when base station receives the A2 measurement reports that terminal is reported, it is found that user will initiate VoLTE callings,
The carrying that base station detects QCI=1 has been set up, then base station issues the different system B2 handoff thresholds of voice service
3 (as Figure 1-3), the signal qualitys of the 2/3G systems measured when terminal higher than certain access thresholding and
When the signal quality of 4G persistent districts is less than different system B2 handoff thresholds 3, user is switched to 2/3G nets
Network.This process determines 4G networks to VoLTE voice services user (comprising initiation VoLTE service calls
And connect VoLTE service calls user) coverage be different system B2 handoff thresholds 3.Typically
For, 4G, the resident ratios of raising 4G are resided in ensure that data service is tried one's best, while ensureing voice service
Speech quality, voice service is allowed to switch as early as possible, different system B2 handoff thresholds 2 are set than different system B2 switchings
Thresholding 3 is low.Thus 4G networks are to the covering model of the coverage comparison data business of VoLTE voice services
Enclose small.
In existing scheme, if the serving cell signal intensity of VoLTE user resident area is in different system
When between B2 handoff thresholds 2 and different system B2 handoff thresholds 3 (such as Fig. 1-3), because user is in data
In Service coverage, if only carrying out data service, 4G networks are will reside in；If user once initiates
VoLTE voice services, because user is outside voice service coverage, thus will be cut to 2/3G cells
Change, if (such as other side is also for VoLTE voice services also access failure when terminal is connected to the switching command that base station issues
Non- off-hook or even calling party is not connected to ring back tone also), aSRVCC and bSRVCC can be caused to switch.
ASRVCC processes can ensure that terminal successfully completes switching, but bSRVCC handover schemes are related to end to end
Network and terminal transformation, the support time for being especially limited to terminal-pair bSRVCC functions are later, introduce existing network
Time will be very delayed.Thus there is above-mentioned bSRVCC handover triggers scene in existing network, will cause call setup
Vertical failure.
It following is a brief introduction of QCI well known in the art, service quality rating mark (QCI, QoS class
identifier；QoS, Quality of Service), for describing UE and Policy and Charging Rules Function
The characteristic of data transfer between (PCRF, Policy and Charging Rules Function)；QoS is main
Include 4 information：Resource type Resource Type (GBR or Non-GBR), resource prioritization
(Priority), data delay (Packet Delay Budget), data packetloss rate (Packet Error Loss
Rate)。
The technical solution of the present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one
In order to solve technical problem present in background technology, the embodiment of the present invention provides a kind of voice service
Switching method, applied to base station, the function that this method is realized can call journey by the processor in base station
Sequence code realizes that certain program code can be stored in computer-readable storage medium, it is seen then that the base station is extremely
Include processor and storage medium less.
Fig. 2 is the implementation process schematic diagram of the switching method of the voice service of the embodiment of the present invention one, such as Fig. 2 institutes
Show, this method includes：
Step S101, the A2 measurement reports that base station receiving terminal is reported；
Step S102, A2 measurement reports described in base station in response detect that the carrying for voice-over business is
It is no to set up；
Step S103, if do not set up, base station issues the different system B2 handoff thresholds of data service to terminal
2。
Step S104, if set up, base station judges whether QCI=1 carrying has business transmission；
Step S105, if without business transmission, the different system B2 that base station issues data service to terminal is cut
Change thresholding 2.
Step S106, if business is transmitted, the different system B2 that base station issues voice service to terminal switches
Thresholding 3.
In the embodiment of the present invention, methods described also includes：Base station issues A2 measurement control conditions to terminal,
The A2 measurements control condition is used to require when the signal quality that terminal measures persistent district is less than different system
A2 measurement reports are reported during B2 handoff thresholds 1.
In the embodiment of the present invention, methods described also includes：
Step S107, the B2 measurement reports that base station receiving terminal is reported；
Step S108, base station judges the signal matter for the 2/3G systems that terminal is measured according to the B2 measurement reports
Amount whether is higher than different system B2 handoff thresholds 4 and whether the signal quality of 4G persistent districts is less than different system
B2 handoff thresholds 2；
Step S110, if the signal quality of the 2/3G systems of terminal measurement is higher than different system B2 handoff thresholds
The signal quality of 4 and 4G persistent districts is less than different system B2 handoff thresholds 2, and base station is switched the terminal into
2/3G networks.
Step S112, base station judges the signal matter for the 2/3G systems that terminal is measured according to the B2 measurement reports
Amount whether is higher than different system B2 handoff thresholds 4 and whether the signal quality of 4G persistent districts is less than different system
B2 handoff thresholds 3；
Step S113, if the signal quality of the 2/3G systems of terminal measurement is higher than different system B2 handoff thresholds
The signal quality of 4 and 4G persistent districts is less than different system B2 handoff thresholds 3, and base station is switched the terminal into
2/3G networks.
In the embodiment of the present invention, the base station judge QCI=1 carrying whether have business transmission at least include with
It is one of lower：Judging the bag length of the business packet transmitted in QCI=1 carrying, whether to meet current vocoder correspondence defeated
The long data packet gone out；Judge whether the inter-packet gap for the business packet transmitted in QCI=1 carrying meets current acoustic code
The interval of device correspondence generation packet；Judge whether the bandwidth for the business packet transmitted in QCI=1 carrying meets
The packet bandwidth of current vocoder correspondence output.
In the embodiment of the present invention, those skilled in the art can set each thresholding according to the situation of real network,
In general, different system B2 handoff thresholds 1 are more than different system B2 handoff thresholds 3, different system B2 switchings
Thresholding 3 is more than different system B2 handoff thresholds 2.
In the embodiment of the present invention, the A2 measurement reports that base station receiving terminal is reported；A2 described in base station in response is surveyed
Whether amount report, the carrying that detection terminal is used for the QCI=1 for carrying VoLTE voice services sets up；If
Set up, base station judges whether QCI=1 carrying has business transmission；If without business transmission, base station is to end
End issues the different system B2 handoff thresholds 2 of data service；In this way, bSRVCC and aSRVCC will not be triggered
Switching, so as to avoid call setup failure caused by existing network is introduced before bSRVCC handoff solutions.
Embodiment two
The embodiment of the present invention proposes a kind of implementation for evading bSRVCC handoff scenarios.Wireless side base station exists
VoLTE user is issued before different system B2 handoff parameters, except judging to be used to carry VoLTE voice services
QCI=1 carrying whether set up outside, also judge QCI=1 carryings on whether have business transmit (namely according to
Call state residing for VoLTE voice services), so as to determine the different system B2 handoff threshold parameters issued.
When the embodiment of the present invention ensure that VoLTE user is in weak overlay area, base station will not be before speech connection
It is required that VoLTE user switches to 2/3G systems and (will not trigger aSRVCC and bSRVCC to switch), only
It can be switched after the connection of VoLTE voice services by eSRVCC processes to 2/3G systems, so as to ensure existing
Net voice continuity of the VoLTE voice services after 4G coverages are moved out.
Fig. 3 is the implementation process schematic diagram of the switching method of the voice service of the embodiment of the present invention two, such as Fig. 3 institutes
Show, the flow includes：
Step S301, VoLTE user's registration IMS registration；
Step S302, base station issues A2 measurement control conditions；
Here, A2 measures control condition and is used to require when terminal measures the signal quality of persistent district less than different
During system B2 handoff thresholds 1, A2 measurement reports are reported.
Step S303, terminal reports A2 measurement reports；
Step S304, base station has detected whether QCI=1 carryings, when no, into step S305；When being,
Into step S309；
Step S305, base station issues data service B2 and measures different system B2 handoff thresholds 2；
Whether step S306, base station is connected to terminal data business B2 measurement reports, when no, into step S307；
When being, into step S308；
Step S307, user resides in 4G；
Step S308,2/3G networks are switched to by data service；
Whether step S309, base station detection QCI=1 carryings have business transmission, when no, into step S310；
When being, into step S314；
Step S310, base station issues B2 and measures different system B2 handoff thresholds 2；
Here, B2 described in terminal response measures different system B2 handoff thresholds 2 and carried out in B2 measurements, terminal
Report B2 measurement reports.Whether step S311, base station is connected to terminal B2 measurement reports, when no, into step
Rapid S312；When being, into step S313；
Step S312,4G (avoiding bSRVCC) is retained in by the VoLTE speeches of access failure
Step S313, switches to 2/3G by user and initiates voice service；
Step S314, base station issues voice service B2 and measures different system B2 handoff thresholds 3；
Here, B2 described in terminal response measures different system B2 handoff thresholds 3 and carried out in B2 measurements, terminal
Report B2 measurement reports.
Whether step S315, base station is connected to terminal voice service B2 measurement reports；When no, into step S316；
When being, into step S317；
Step S316, user carries out VoLTE voice services in 4G；
Step S317, the VoLTE speeches that will turn on switch to 2/3G (only eSRVCC).
From the embodiment shown in Fig. 3 can be seen that the embodiment of the present invention in base station and end side processing procedure
For：
Step 1) when VoLTE user accesses 4G networks, EPC registrations and IMS registration will be carried out, eventually
QCI=5 carrying, the signaling for transmitting VoLTE voice services are set up in end.Base station issues A2 measurement controls
Condition processed, it is desirable to when the signal quality that terminal measures persistent district is less than different system B2 handoff thresholds 1,
Report A2 measurement reports；
Step 2) when base station receives the A2 measurement reports that terminal is reported, terminal is in wireless weak covering
Region.Base station detects whether the carrying of the QCI=1 for carrying VoLTE voice services sets up, if with
VoLTE callings are not initiated at family, and QCI=1 carrying is not set up, then the different system B2 for issuing data service is cut
Thresholding 2 is changed, the signal quality of the 2/3G systems measured when terminal is resident higher than certain access thresholding and 4G
When the signal quality of cell is less than different system B2 handoff thresholds 2, user is switched to 2/3G networks.
Step 3) if step 2) in, the carrying that base station detects QCI=1 has been set up, and base station is examined immediately
Whether survey QCI=1 carrying has business transmission.If without business transmission, illustrating now VoLTE words
Sound business also access failure, caller may not also be connected to ring back tone, or caller receives ring but is called also not
Off-hook.Now base station still issues different system B2 handoff thresholds 2.If the VoLTE that Waiting for Call is connected is used
Family rise exhale before reside in 4G (namely within coverage in different system B2 handoff thresholds 2), then
Now the VoLTE user that Waiting for Call is connected will not be switched to 2/3G by base station, it is to avoid aSRVCC and
The generation of bSRVCC switchings.
Step 4) if step 2) in, the carrying that base station detects QCI=1 has been set up, and base station is examined immediately
Whether survey QCI=1 carrying has business transmission.If business transmission, then illustrate now VoLTE speeches
Business has turned on.Now base station issues the different system B2 handoff thresholds 3 of voice service, is measured when terminal
The signal quality of 2/3G systems is higher than certain access thresholding and the signal quality of 4G persistent districts is less than different system
During system B2 handoff thresholds 3, user is switched to 2/3G networks.Namely only after calling is connected, VoLTE
User is in outside the coverage of different system B2 handoff thresholds 3, and base station just can will call the VoLTE connected
User switches to 2/3G, is now switched using eSRVCC.
From the above, it can be seen that base station judges whether have in QCI=1 carryings in the module or flow of business transmission,
Base station judges the method for having business to transmit in QCI=1 carryings, can be one of following a few class methods, or with
Under a few class methods be used in combination：1) judge whether the business packet length transmitted in carrying meets current vocoder pair
The long data packet that should be exported；2) judge that the business packet transmitted in carrying comes whether inter-packet gap meets current vocoder
The interval of correspondence generation packet；3) judge whether the bandwidth for the business packet transmitted in carrying meets current acoustic code
The packet bandwidth of device correspondence output.
In embodiment more than, according to VoLTE terminal voice service calls state (as rise exhale, ring,
The call states such as connection), adaptive sending measuring controls thresholding；Specifically, base station root in the embodiment of the present invention
According to residing for VoLTE voice services call state (namely according to QCI=1 carrying whether set up and according to
Whether business transmission is had in QCI=1 carryings), differentiation issues different system B2 measurements thresholding.With prior art phase
Than the embodiment of the present invention has the following advantages that：In the embodiment of the present invention, because base station is issuing different system B2
First QCI=1 carryings are judged with the presence or absence of business transmission before handoff threshold, thus when VoLTE speeches
Before connection, base station will not issue the different system B2 handoff thresholds 3 of voice service.When the letter of user present position
When number intensity is between different system B2 handoff thresholds 2 and different system B2 handoff thresholds 3, will not trigger and
ASRVCC switches, so as to avoid call setup caused by existing network is introduced before bSRVCC handoff solutions
Failure.
Embodiment three
In order to solve technical problem present in background technology, the embodiment of the present invention provides a kind of voice service
Switching method, applied to base station, the function that this method is realized can call journey by the processor in base station
Sequence code realizes that certain program code can be stored in computer-readable storage medium, it is seen then that the base station is extremely
Include processor and storage medium less.
Fig. 4 is the implementation process schematic diagram of the switching method of the voice service of the embodiment of the present invention three, such as Fig. 4 institutes
Show, this method includes：
Step S401, the measurement report that base station receiving terminal is reported；
Here, the measurement report can be A2 measurement reports；
Step S402, measurement report described in base station in response detects whether the carrying for voice-over business builds
It is vertical；
Here, the voice service can include VoLTE voice services, and the carrying of the voice service can be with
For QCI=1 carrying.
Step S403, if set up, the call state of voice service is detected in base station；
Step S404, base station issues the different system handoff threshold of data service according to the call state to terminal；
Here, base station issues the different system handoff threshold of data service according to the call state to terminal, bag
Include：Base station issues the different system B2 handoff thresholds 2 or different of data service according to the call state to terminal
System B2 handoff thresholds 3.
In the embodiment of the present invention, the call state of voice service is detected in step S403, base station, including：Base station
Whether judge QCI=1 carrying has business transmission；Or, base station judges the ringing condition of current voice traffic
Whether ring is started；
Accordingly, step S404, base station issues the different system of data service according to the call state to terminal
Handoff threshold, including：
If QCI=1 carries no business transmission, or the ringing condition of current voice traffic does not have started ring,
Base station issues the different system B2 handoff thresholds 2 of data service to terminal；If business transmission, or current words
Sound business ring, base station issues the different system B2 handoff thresholds 3 of voice service to terminal.
In the embodiment of the present invention, methods described also includes：Base station issues A2 measurement control conditions to terminal,
The A2 measurements control condition is used to require when the signal quality that terminal measures persistent district is less than different system
A2 measurement reports are reported during B2 handoff thresholds 1.
In the embodiment of the present invention, methods described also includes：
Step S405, the B2 measurement reports that base station receiving terminal is reported；
Step S406, base station judges the signal matter for the 2/3G systems that terminal is measured according to the B2 measurement reports
Amount whether is higher than different system B2 handoff thresholds 4 and whether the signal quality of 4G persistent districts is less than different system
B2 handoff thresholds 2；
Step S407, if the signal quality of the 2/3G systems of terminal measurement is higher than different system B2 handoff thresholds
The signal quality of 4 and 4G persistent districts is less than different system B2 handoff thresholds 2, and base station is switched the terminal into
2/3G networks.
Step S408, base station judges the signal matter for the 2/3G systems that terminal is measured according to the B2 measurement reports
Amount whether is higher than different system B2 handoff thresholds 4 and whether the signal quality of 4G persistent districts is less than different system
B2 handoff thresholds 3；
Step S409, if the signal quality of the 2/3G systems of terminal measurement is higher than different system B2 handoff thresholds
The signal quality of 4 and 4G persistent districts is less than different system B2 handoff thresholds 3, and base station is switched the terminal into
2/3G networks.
In the embodiment of the present invention, the base station judge active calls whether ring, at least including one below：
Base station parses the SIP signaling bags transmitted in its QCI=5 carrying, the signaling of current transmission is parsed, according to letter
The order of order transmission determines whether ring；The time that base station is set up according to now being carried apart from QCI=1,
Judge current talking whether ring.
In the embodiment of the present invention, those skilled in the art can set each thresholding according to the situation of real network,
In general, different system B2 handoff thresholds 1 are more than different system B2 handoff thresholds 3, different system B2 switchings
Thresholding 3 is more than different system B2 handoff thresholds 2.
In the embodiment of the present invention, the A2 measurement reports that base station receiving terminal is reported；A2 described in base station in response is surveyed
Whether amount report, the carrying that detection terminal is used for the QCI=1 for carrying VoLTE voice services sets up；If
Set up, base station judge active calls whether ring；If without ring, base station issues data service to terminal
Different system B2 handoff thresholds 2；Switch in this way, will not trigger with aSRVCC, draw so as to avoid existing network
Call setup failure caused by entering before bSRVCC handoff solutions.
Example IV
Based on foregoing embodiment, the embodiment of the present invention provides a kind of base station again, each included by the base station
Unit, and each module included by each unit, can be realized, certainly by the processor in base station
Also it can be realized by specific logic circuit；During specific embodiment, processor can be centre
Manage device (CPU), microprocessor (MPU), digital signal processor (DSP) or field-programmable gate array
Arrange (FPGA) etc..
Fig. 5 is the composition structural representation of the base station of the embodiment of the present invention four, as shown in figure 4, the base station 500
Including the first receiving unit 501, the first detection unit 502, the second detection unit 503 and the first issuance unit
504, wherein：
First receiving unit 501, the A2 measurement reports reported for receiving terminal；
First detection unit 502, for responding the A2 measurement reports, is detected for voice-over industry
Whether the carrying of business sets up；
Second detection unit 503, if for setting up, detecting the call state of voice service；
First issuance unit 504, for issuing the different of data service to terminal according to the call state
The system B2 handoff thresholds 3 of system B2 handoff thresholds 2 or different.
In the embodiment of the present invention, whether second detection unit, the carrying for judging QCI=1 for base station has
Business is transmitted；Or, base station judges whether the ringing condition of current voice traffic starts ring；
Accordingly, first issuance unit, if no business transmission is carried for QCI=1, or currently
The ringing condition of voice service does not have started ring, and the different system B2 that base station issues data service to terminal is cut
Change thresholding 2.
In the embodiment of the present invention, first issuance unit is additionally operable to if business is transmitted, or current words
Sound business ring, base station issues the different system B2 handoff thresholds 3 of voice service to terminal.
In the embodiment of the present invention, first issuance unit, if for not setting up, data are issued to terminal
The different system B2 handoff thresholds 2 of business.
In the embodiment of the present invention, the base station also includes the second issuance unit, is surveyed for issuing A2 to terminal
Control condition is measured, the A2 measurements control condition is used to require when terminal measures the signal matter of persistent district
Amount reports A2 measurement reports when being less than different system B2 handoff thresholds 1.
In the embodiment of the present invention, the base station also includes the second receiving unit, the first judging unit and first and cut
Unit is changed, wherein：
Second receiving unit, the B2 measurement reports reported for receiving terminal；
First judging unit, for judging the 2/3G systems that terminal is measured according to the B2 measurement reports
Signal quality it is whether whether low higher than the signal quality of different system B2 handoff thresholds 4 and 4G persistent districts
In different system B2 handoff thresholds 2；
First switch unit, if the signal quality of the 2/3G systems measured for terminal is higher than different system
B2 handoff thresholds 4 and the signal quality of 4G persistent districts are less than different system B2 handoff thresholds 2, by terminal
It is switched to 2/3G networks.
In the embodiment of the present invention, the base station also includes the second judging unit and the second switch unit, wherein：
Second judging unit, for judging the 2/3G systems that terminal is measured according to the B2 measurement reports
Signal quality it is whether whether low higher than the signal quality of different system B2 handoff thresholds 4 and 4G persistent districts
In different system B2 handoff thresholds 3；
Second switch unit, if the signal quality of the 2/3G systems measured for terminal is higher than different system
B2 handoff thresholds 4 and the signal quality of 4G persistent districts are less than different system B2 handoff thresholds 3, by terminal
It is switched to 2/3G networks.
In the embodiment of the present invention, second detection unit is at least used to include one below：Judge QCI=1
Carrying on the long long data packet for whether meeting current vocoder correspondence output of bag of business packet that transmits；Judge
Whether the inter-packet gap for the business packet transmitted in QCI=1 carrying meets current vocoder correspondence generation packet
Interval；Judge whether the bandwidth for the business packet transmitted in QCI=1 carrying meets current vocoder correspondence and export
Packet bandwidth.Or, second detection unit judge active calls whether ring, at least including following
One of：Base station parses the SIP signaling bags transmitted in its QCI=5 carrying, parses the signaling of current transmission,
Ring is determined whether according to the order of signalling；Base station is according to now apart from QCI=1 carrying foundation
Time, judge current talking whether ring.
It need to be noted that be：The description of apparatus above embodiment, the description with above method embodiment is
Similar, with the similar beneficial effect of same embodiment of the method, therefore do not repeat.For apparatus of the present invention
The ins and outs not disclosed in embodiment, refer to the description of the inventive method embodiment and understand, to save
Length, therefore repeat no more.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text means and real
Apply the relevant special characteristic of example, structure or characteristic include at least one embodiment of the present invention in.Therefore,
" in one embodiment " or " in one embodiment " occurred everywhere in entire disclosure not necessarily refers to
Identical embodiment.In addition, these specific feature, structure or characteristics can be combined in any suitable manner
In one or more embodiments.It should be understood that in various embodiments of the present invention, the sequence of above-mentioned each process
Number size be not meant to the priority of execution sequence, the execution sequence of each process should be patrolled with its function and inherence
Collect and determine, any limit is constituted without tackling the implementation process of the embodiment of the present invention.The embodiments of the present invention
Sequence number is for illustration only, and the quality of embodiment is not represented.
It should be noted that herein, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or dress including a series of key elements
Putting not only includes those key elements, but also other key elements including being not expressly set out, or also including being
This process, method, article or the intrinsic key element of device.In the absence of more restrictions, by
The key element that sentence "including a ..." is limited, it is not excluded that in the process including the key element, method, thing
Also there is other identical element in product or device.
, can in several embodiments provided herein, it should be understood that disclosed apparatus and method
To realize by another way.Apparatus embodiments described above are only schematical, for example, institute
The division of unit is stated, only a kind of division of logic function there can be other dividing mode when actually realizing,
Such as：Multiple units or component can be combined, or be desirably integrated into another system, or some features can be neglected
Slightly, or do not perform.In addition, the coupling each other of shown or discussed each part or directly coupling
Close or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of equipment or unit, can
Be it is electrical, machinery or other forms.
The above-mentioned unit illustrated as separating component can be or may not be it is physically separate, as
The part that unit is shown can be or may not be physical location；Both a place can be located at, also may be used
To be distributed on multiple NEs；Part or all of unit therein can be selected according to the actual needs
Realize the purpose of this embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing unit,
Can also be each unit individually as a unit, can also two or more units be integrated in one
In individual unit；Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ hardware adds soft
The form of part functional unit is realized.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above method embodiment can
To be completed by the related hardware of programmed instruction, foregoing program can be stored in embodied on computer readable storage
In medium, the program upon execution, performs the step of including above method embodiment；And foregoing storage is situated between
Matter includes：Movable storage device, read-only storage (Read Only Memory, ROM), magnetic disc or
CD etc. is various can be with the medium of store program codes.
Or, if the above-mentioned integrated unit of the present invention is realized using in the form of software function module and as independently
Production marketing or in use, can also be stored in a computer read/write memory medium.Based on so
Understanding, the part that the technical scheme of the embodiment of the present invention substantially contributes to prior art in other words can
To be embodied in the form of software product, the computer software product is stored in a storage medium, bag
Some instructions are included to so that a computer equipment (can be personal computer, server or network
Equipment etc.) perform all or part of each of the invention embodiment methods described.And foregoing storage medium bag
Include：Movable storage device, ROM, magnetic disc or CD etc. are various can be with the medium of store program codes.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited to
This, any one skilled in the art the invention discloses technical scope in, can readily occur in
Change or replacement, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should
It is defined by the scope of the claims.
Claims (16)
1. a kind of switching method of voice service, it is characterised in that
The measurement report that base station receiving terminal is reported；
Base station detects whether the carrying for voice-over business sets up；
If set up, the call state of voice service is detected in base station；
Base station issues the different system handoff threshold of data service according to the call state to terminal.
2. according to the method described in claim 1, it is characterised in that detect exhaling for voice service in the base station
State is, including：
Base station judges whether QCI=1 carrying has business transmission；Or,
Base station judges whether the ringing condition of current voice traffic starts ring；
Accordingly, the different system that the base station issues data service according to the call state to terminal switches door
Limit, including：
If QCI=1 carries no business transmission, or the ringing condition of current voice traffic does not have started ring,
Base station issues the different system B2 handoff thresholds 2 of data service to terminal.
3. according to the method described in claim 1, it is characterised in that the base station is according to the call state
The different system handoff threshold of data service is issued to terminal, in addition to：
If business transmission, or current voice traffic ring, base station issues voice service to terminal
Different system B2 handoff thresholds 3.
4. according to the method described in claim 1, it is characterised in that methods described also includes：
If do not set up, base station issues the different system B2 handoff thresholds 2 of data service to terminal.
5. the method according to any one of Claims 1-4, it is characterised in that methods described also includes：
Base station issues A2 measurement control conditions to terminal, and the A2 measurements control condition is used to require to work as terminal
The signal quality for measuring persistent district reports A2 measurement reports when being less than different system B2 handoff thresholds 1.
6. the method according to any one of Claims 1-4, it is characterised in that methods described also includes：
The B2 measurement reports that base station receiving terminal is reported；
Base station judges the second generation or third generation 2G/3G systems that terminal is measured according to the B2 measurement reports
Whether signal quality is higher than different system B2 handoff thresholds 4 and whether the signal quality of 4G persistent districts is less than
Different system B2 handoff thresholds 2；
If the signal quality of the 2/3G systems of terminal measurement is higher than different system B2 handoff thresholds 4 and 4G
The signal quality of persistent district is less than different system B2 handoff thresholds 2, and base station switches the terminal into 2/3G networks.
7. method according to claim 6, it is characterised in that methods described also includes：
Base station judges whether the signal quality for the 2/3G systems that terminal is measured is higher than according to the B2 measurement reports
Whether different system B2 handoff thresholds 4 and the signal quality of 4G persistent districts switch door less than different system B2
Limit 3；
If the signal quality of the 2/3G systems of terminal measurement is higher than different system B2 handoff thresholds 4 and 4G
The signal quality of persistent district is less than different system B2 handoff thresholds 3, and base station switches the terminal into 2/3G networks.
8. method according to claim 2, it is characterised in that the base station judges holding for QCI=1
Whether load has business transmission at least to include one below：
Judge that the bag for the business packet transmitted in QCI=1 carrying is long and whether meet what current vocoder correspondence was exported
Long data packet；
Judge whether the inter-packet gap for the business packet transmitted in QCI=1 carrying meets current vocoder correspondence and generate
The interval of packet；
Judge whether the bandwidth for the business packet transmitted in QCI=1 carrying meets current vocoder correspondence output
Packet bandwidth.
9. a kind of base station, it is characterised in that the base station include the first receiving unit, the first detection unit,
Second detection unit and the first issuance unit, wherein：
First receiving unit, the measurement report reported for receiving terminal；
First detection unit, for responding the measurement report, detects holding for voice-over business
Whether load is set up；
Second detection unit, if for setting up, detecting the call state of voice service；
First issuance unit, the different system for issuing data service to terminal according to the call state
Handoff threshold.
10. base station according to claim 9, it is characterised in that second detection unit, is used for
Base station judges whether QCI=1 carrying has business transmission；Or, base station judges the ring of current voice traffic
Whether state starts ring；
Accordingly, first issuance unit, if no business transmission is carried for QCI=1, or currently
The ringing condition of voice service does not have started ring, and the different system B2 that base station issues data service to terminal is cut
Change thresholding 2.
11. base station according to claim 9, it is characterised in that first issuance unit, is also used
Transmitted in if business, or current voice traffic ring, base station issues the different of voice service to terminal
System B2 handoff thresholds 3.
12. base station according to claim 9, it is characterised in that first issuance unit, is used for
If do not set up, the different system B2 handoff thresholds 2 of data service are issued to terminal.
13. the base station according to any one of claim 9 to 12, it is characterised in that also wrap the base station
The second issuance unit is included, for issuing A2 measurement control conditions to terminal, the A2 measurements control condition is used
In require when terminal measure persistent district signal quality be less than different system B2 handoff thresholds 1 when report A2
Measurement report.
14. the base station according to any one of claim 9 to 12, it is characterised in that also wrap the base station
The second receiving unit, the first judging unit and the first switch unit are included, wherein：
Second receiving unit, the B2 measurement reports reported for receiving terminal；
First judging unit, for judging the 2/3G systems that terminal is measured according to the B2 measurement reports
Signal quality it is whether whether low higher than the signal quality of different system B2 handoff thresholds 4 and 4G persistent districts
In different system B2 handoff thresholds 2；
First switch unit, if the signal quality of the 2/3G systems measured for terminal is higher than different system
B2 handoff thresholds 4 and the signal quality of 4G persistent districts are less than different system B2 handoff thresholds 2, by terminal
It is switched to 2/3G networks.
15. base station according to claim 14, it is characterised in that the base station also includes second and judged
Unit and the second switch unit, wherein：
Second judging unit, for judging the 2/3G systems that terminal is measured according to the B2 measurement reports
Signal quality it is whether whether low higher than the signal quality of different system B2 handoff thresholds 4 and 4G persistent districts
In different system B2 handoff thresholds 3；
Second switch unit, if the signal quality of the 2/3G systems measured for terminal is higher than different system
B2 handoff thresholds 4 and the signal quality of 4G persistent districts are less than different system B2 handoff thresholds 3, by terminal
It is switched to 2/3G networks.
16. base station according to claim 10, it is characterised in that second detection unit is at least used
In including one below：
Judge that the bag for the business packet transmitted in QCI=1 carrying is long and whether meet what current vocoder correspondence was exported
Long data packet；
Judge whether the inter-packet gap for the business packet transmitted in QCI=1 carrying meets current vocoder correspondence and generate
The interval of packet；
Judge whether the bandwidth for the business packet transmitted in QCI=1 carrying meets current vocoder correspondence output
Packet bandwidth.
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| CN201610166691.1A CN107222896B (en) | 2016-03-22 | 2016-03-22 | Voice service switching method and base station |
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|---|---|---|---|
| CN201610166691.1A CN107222896B (en) | 2016-03-22 | 2016-03-22 | Voice service switching method and base station |
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