CN109936863A - A kind of SRVCC switching method and equipment based on uplink covering - Google Patents
A kind of SRVCC switching method and equipment based on uplink covering Download PDFInfo
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Abstract
The present invention provides a kind of SRVCC switching method and equipment based on uplink covering.The described method includes: if the uplink level value for detecting user terminal indicates that the user terminal reports B1 to measure lower than the first level threshold；Receive the B1 measurement that the user terminal reports；If the B1 measurement meets default B1 thresholding in preset time and the uplink level value of the user terminal meets second electrical level thresholding, SRVCC switching flow is initiated to the user terminal, the VOLTE voice service of the weak covering of uplink is transferred to the domain CS.The present invention parses the side eNodeB uplink level Value Data, utilize the judgment condition based on uplink covering SRVCC switching, the SRVCC switching that triggering user terminal is covered based on uplink, so as to normal in downlink level RSRP, but under the scene of the weak covering of uplink, user SRVCC is switched into the domain CS, improves user experience.
Description
Technical field
The present invention relates to field of communication technology, more particularly, to a kind of SRVCC switching method based on uplink covering and
Equipment.
Background technique
SRVCC (the Single Radio Voice Call Continuity) handover scheme of 3GPP supports following 2 at present
Kind strategy: the SRVCC switching based on downlink covering, the SRVCC switching based on quality.The selection of SRVCC switching mode mainly by
Parameter setting, that now net uses is the combination S RVCC of the SRVCC switching based on downlink covering and the SRVCC switching based on quality
Switching.
SRVCC based on downlink covering are as follows: when user is carrying out being moved to LTE in voice call process using LTE network
Signal is weaker, but when the GERAN/UTRAN network signal preferable region of covering, in order to guarantee continuous voice call (Voice
Call Continuity, VCC), it needs session being switched to GERAN/UTRAN by LTE.When serving cell RSRP measured value is low
When different system A2RSRP trigger threshold, A2 event is reported, when serving cell RSRP measured value switches B2RSRP lower than GERAN
Limit, and neighboring cell signal quality is higher than thresholding InterRatHoGeranB1Thd, UE will report B2 event, trigger based on covering
SRVCC switching.
SRVCC based on quality are as follows: the quality of eating dishes without rice or wine of user is judged by QCI1 packet loss, the packet loss the high, eats dishes without rice or wine
Quality is poorer, and user experience is also poorer, at this time will speech channel LTE be switched to GERAN/UTRAN.The QCI1 of voice quality switching loses
Packet rate thresholding and voice quality packet loss assessment cycle are configurable, and observation voice service packet loss rate measurement cycle duration is met the requirements
When, it just decides whether that voice quality difference user is allowed to trigger based on voice quality handoff functionality.
There are certain defects for the device and method of existing SRVCC switching, it is understood that there may be following risk:
It is low under the weak overlay environment of downlink primarily directed to terminal currently based on the SRVCC handoff algorithms that downlink covers
Quality problems realize, but and the low quality problem under unresolved uplink weak covering scene, existing defects on algorithm.Work as base station
Descending power configuration is excessive, and mobile phone transmission power is limited, it may appear that downlink level RSRP is normal, but uplink has been in fact
Weak covering will not trigger SRVCC according to existing algorithm at this time, and user's communication can not be switched to CS, can be because of the weak covering of uplink
Lead to the problem of the user experiences such as single-pass, interrupted or call drop.
Summary of the invention
The present invention provide it is a kind of overcome the above problem or at least be partially solved the above problem based on uplink covering
SRVCC switching method and equipment.
According to an aspect of an embodiment of the present invention, a kind of SRVCC switching method is provided, comprising:
If detecting, the uplink level value of user terminal lower than the first level threshold, indicates that the user terminal reports B1
Measurement；
Receive the B1 measurement that the user terminal reports；
If the uplink level value that B1 measurement meets default B1 thresholding and the user terminal in preset time meets the
Two level thresholds then initiate SRVCC switching flow to the user terminal, and the VOLTE voice service of the weak covering of uplink is turned
Move to the domain CS.
Other side according to an embodiment of the present invention, also provides a kind of SRVCC switching device, including detection module, connects
Receive module and switching module；
The detection module, if the uplink level value for detecting user terminal is indicated lower than the first level threshold
The user terminal reports B1 to measure；
The receiving module, the B1 measurement reported for receiving the user terminal；
The switching module, if meeting default B1 thresholding and the user terminal for B1 described in preset time measurement
Uplink level value meets second electrical level thresholding, then SRVCC switching flow is initiated to the user terminal, by the weak covering of uplink
VOLTE voice service is transferred to the domain CS.
Other side according to an embodiment of the present invention also provides a kind of SRVCC switching equipment, comprising:
At least one processor；And
At least one processor being connect with the processor communication, in which:
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to refer to
Order is able to carry out the method for SRVCC switching method and its any alternative embodiment described in the embodiment of the present invention.
According to another aspect of the present invention, a kind of non-transient computer readable storage medium is provided, which is characterized in that institute
Non-transient computer readable storage medium storage computer instruction is stated, the computer instruction makes the computer execute the present invention
The method of SRVCC switching method and its any alternative embodiment described in embodiment.
The embodiment of the present invention proposes a kind of SRVCC switching method, parses the side eNodeB uplink level Value Data, using being based on
Uplink covers the judgment condition of SRVCC switching, the SRVCC switching that triggering user terminal is covered based on uplink, so as under
Line level RSRP is normal, but under the scene of the weak covering of uplink, user SRVCC is switched to the domain CS, improves user experience.
Detailed description of the invention
Fig. 1 is a kind of SRVCC switching method flow diagram based on uplink covering of the embodiment of the present invention；
Fig. 2 is the SRVCC switching method flow diagram based on uplink covering described in the embodiment of the present invention；
Fig. 3 is a kind of block schematic illustration of SRVCC switching equipment of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
To solve prior art problem, the present invention mainly from user VOLTE voice usage experience is promoted, improves user
VOLTE business goes to the decision condition and method in the domain CS.It is normal in downlink level RSRP, but under the scene of the weak covering of uplink,
User SRVCC is switched into the domain CS.
Fig. 1 is a kind of SRVCC switching method flow diagram based on uplink covering of the embodiment of the present invention, as shown in Figure 1
SRVCC switching method, comprising:
S100, if the uplink level value for detecting user terminal indicates the user terminal lower than the first level threshold
B1 is reported to measure；
If the uplink level value of the user terminal is lower than the first level threshold, then it is assumed that the uplink of the user terminal is covered
Cover it is weak, need to be further determined whether according to the B1 measurement of user terminal need carry out based on uplink cover SRVCC switching, because
This indicates that the user terminal reports B1 to measure.
S200 receives the B1 measurement that the user terminal reports；
S300, if the B1 measurement meets default B1 thresholding in preset time and the uplink level value of the user terminal is full
Sufficient second electrical level thresholding then initiates SRVCC switching flow to the user terminal, by the VOLTE voice industry of the weak covering of uplink
Business is transferred to the domain CS.
Within the set time, if two conditions are all satisfied, i.e., the B1 measurement that user terminal reports meets default step S300
B1 thresholding and real-time uplink level value meet second electrical level thresholding, then shift the voice service of the weak covering of VOLTE voice uplink
To the domain CS.
Wherein, the user terminal are as follows: establish bearing link with base station and be registered to the IMS domain, carrying for establishing QCI5, same
The user terminal of the dedicated bearer of Shi Jianli QCI1.The user terminal carries out VOLTE voice service, and weak feelings are covered in uplink
Under condition, step S100, step S200 and step S300 can carry out cutting based on the SRVCC that uplink covers through the embodiment of the present invention
It changes, so that the only SRVCC switching based on downlink covering and the SRVCC switching based on quality in the prior art is compensated for, and nothing
It is poor that method solves the problems, such as that uplink covers weak caused voice quality.
The embodiment of the present invention proposes a kind of SRVCC switching method, and executing subject is base station eNodeB, parses the side eNodeB
Uplink level Value Data, using the judgment condition based on uplink covering SRVCC switching, triggering user terminal is covered based on uplink
SRVCC switching, so as to normal in downlink level RSRP, but under the scene of the weak covering of uplink, user SRVCC is switched to
User experience is improved in the domain CS.
Preset time described in the embodiment of the present invention, the first level threshold, default B1 thresholding and second electrical level thresholding can roots
It according to network configuration and performance requirement, tests to obtain by big data, different network configurations has different result and performance and needs
It asks and has different as a result, the embodiment of the present invention is not construed as limiting this.Wherein, between the first level threshold and second electrical level thresholding
Not inevitable association.
In an alternative embodiment, the SRVCC switching method, further includes:
If detecting, the uplink level value of user terminal is greater than or equal to first level threshold, indicates the user
Terminal stopping reports B1 to measure.
In the embodiment of the present invention, base station can report B1 to measure with indicating user terminal, can also indicate that user terminal stops
B1 is reported to measure, the instruction when meeting certain condition respectively, it may be assumed that when being lower than the first level threshold, to indicate on the user terminal
B1 is reported to measure；When higher than the first level threshold, indicate that the user terminal stopping reports B1 to measure.
The embodiment of the present invention carries out real-time monitoring by the uplink level value of user terminal, according to the first set level
Thresholding judges the height of the uplink level value of user terminal, if the uplink level value of user terminal is higher than the first level threshold,
Then think that uplink covering is normal, it is desirable that user terminal stopping reports B1 to measure, with saving signaling resource.
Specifically, installing real-time analysis processing device additional in the side eNodeB, acquire and parse the uplink level value of user, to
The uplink covering good job at family carries out analysis in real time and determines.
In an alternative embodiment, step S100, if the uplink level value for detecting user terminal is lower than the
One level threshold then indicates that the user terminal reports B1 to measure, before further include:
Judge whether the user terminal triggers the SRVCC switching based on downlink covering and/or the SRVCC based on quality is cut
It changes；
If it is not, then detecting the uplink level value of the user terminal.
SRVCC switching method based on uplink covering described in the embodiment of the present invention, is to being covered in the prior art based on downlink
The SRVCC of lid switches and a kind of supplement of the SRVCC switching based on quality, therefore first choice judges whether before implementing this method
Triggering is switched based on the SRVCC that downlink covers and/or the SRVCC switching based on quality, if having triggered, can guarantee to use
The voice quality of family terminal then can thus need to stop described in detection without the SRVCC switching covered based on uplink
The uplink level value of user terminal, in order to avoid waste of resource；Otherwise it for example triggers, then needs to detect the uplink electricity of the user terminal
Level values, further to judge.
Fig. 2 is the SRVCC switching method flow diagram based on uplink covering described in the embodiment of the present invention, referring to FIG. 2,
In an alternative embodiment, step S100, if the uplink level value for detecting user terminal is lower than the first level door
Limit, then indicate that the user terminal reports B1 to measure, before further include: the user terminal normal on-hook or different is not detected
Often release.
In an alternative embodiment, step S100, if the uplink level value for detecting user terminal is lower than the
One level threshold then indicates that the user terminal reports B1 to measure, specifically includes:
Detect whether the user terminal triggers the SRVCC switching based on downlink covering and/or the SRVCC based on quality is cut
It changes, if it is not, then acquiring and parsing the uplink level value of the user terminal in real time；
If detecting, the uplink level value of user terminal lower than the first level threshold, indicates that the user terminal reports B1
Measurement.
Referring to FIG. 2, SRVCC switching method described in the embodiment of the present invention, further includes:
If detecting the user terminal on-hook information or abnormal release information, indicate that the user terminal stopping reports
B1 measurement；Or
If having triggered the SRVCC switching based on downlink covering and/or the SRVCC switching based on quality, the use is indicated
Terminal stopping in family reports B1 to measure.
In conclusion the SRVCC switching method based on uplink covering described in the embodiment of the present invention, proposes to cover based on uplink
SRVCC switch concept, parse the side eNodeB uplink level Value Data, utilize based on uplink covering SRVCC switching judgement item
Part, judges whether user needs to trigger the SRVCC switching based on uplink covering.Specifically, the judgment condition are as follows: this judgement is calculated
Method parsing user is successfully established after VOLTE call, before normal on-hook or abnormal release, and does not trigger and is covered based on downlink
Or the SRVCC of quality is lower than the call of threshold value to upper line level by the real-time monitoring of upper line level, triggering is covered based on uplink
The domain SRVCC to the CS network of lid promotes customer experience.
The embodiment of the present invention passes through the real-time monitoring of uplink level value, assesses the uplink coverage condition of user in real time, in turn
The uplink covering good job for judging VOLTE user, is adjudicated by the setting of various threshold values and condition, what triggering was covered based on uplink
SRVCC is to the domain CS network, it is ensured that in user's communication covering weak there are uplink, can switch to the domain CS, Jin Ergai by SRVCC in time
It is apt to the defect of existing SRVCC handoff algorithms.
The embodiment of the present invention also provides a kind of SRVCC switching device based on uplink covering, including detection module, reception mould
Block and switching module；
The detection module, if the uplink level value for detecting user terminal is indicated lower than the first level threshold
The user terminal reports B1 to measure；
The receiving module, the B1 measurement reported for receiving the user terminal；
The switching module, if meeting default B1 thresholding and the user terminal for B1 described in preset time measurement
Uplink level value meets second electrical level thresholding, then initiates SRVCC switching flow to the user, covers VOLTE voice uplink is weak
The voice service of lid is transferred to the domain CS.
Wherein, the user terminal are as follows: establish bearing link with base station and be registered to the IMS domain, carrying for establishing QCI5, same
The user terminal of the dedicated bearer of Shi Jianli QCI1.
The device of the embodiment of the present invention can be used for executing the SRVCC switching method shown in FIG. 1 based on uplink covering and implement
The technical solution of example, it is similar that the realization principle and technical effect are similar, and details are not described herein again.
In an alternative embodiment, the detection module, further includes:
If detecting, the uplink level value of user terminal is higher than first level threshold, indicates that the user terminal stops
Only B1 is reported to measure.
In an alternative embodiment, if the uplink level value for detecting user terminal is lower than the first level door
Limit, then indicate that the user terminal reports B1 to measure, before further include:
Judge whether the user terminal triggers the SRVCC switching based on downlink covering and/or the SRVCC based on quality is cut
It changes；
If it is not, then detecting the uplink level value of the user terminal.
In an alternative embodiment, if the uplink level value for detecting user terminal is lower than the first level door
Limit, then indicate that the user terminal reports B1 to measure, before further include:
The normal on-hook of the user terminal or abnormal release is not detected.
In an alternative embodiment, if the uplink level value for detecting user terminal is lower than the first level door
Limit, then indicate that the user terminal reports B1 to measure, specifically include:
Detect whether the user terminal triggers the SRVCC switching based on downlink covering or the SRVCC switching based on quality,
If it is not, then acquiring and parsing the uplink level value of the user terminal in real time；
If detecting, the uplink level value of user terminal lower than the first level threshold, indicates that the user terminal reports B1
Measurement.
Fig. 3 shows the block schematic illustration for the SRVCC switching equipment that the embodiment of the present invention is covered based on uplink.Reference Fig. 3,
The equipment, comprising: processor (processor) 601, memory (memory) 602 and bus 603；
Wherein, the processor 601 and memory 602 complete mutual communication by the bus 603；
The processor 601 is used to call the program instruction in the memory 602, to execute above-mentioned each method embodiment
Provided method, for example, if detecting the uplink level value of user terminal lower than the first level threshold, described in instruction
User terminal reports B1 to measure；Receive the B1 measurement that the user terminal reports；If the B1 measurement meets pre- in preset time
If the uplink level value of B1 thresholding and the user terminal meets second electrical level thresholding, then SRVCC is initiated to the user terminal
The VOLTE voice service of the weak covering of uplink is transferred to the domain CS by switching flow.
Another embodiment of the present invention discloses a kind of computer program product, and the computer program product is non-including being stored in
Computer program in transitory computer readable storage medium, the computer program include program instruction, when described program refers to
When order is computer-executed, computer is able to carry out method provided by above-mentioned each method embodiment, for example, if detecting
The uplink level value of user terminal is lower than the first level threshold, then indicates that the user terminal reports B1 to measure；Receive the use
The B1 measurement that family terminal reports；If the B1 measurement meets the uplink electricity of default B1 thresholding and the user terminal in preset time
Level values meet second electrical level thresholding, then SRVCC switching flow are initiated to the user terminal, by the VOLTE of the weak covering of uplink
Voice service is transferred to the domain CS.
Another embodiment of the present invention provides a kind of non-transient computer readable storage medium, the non-transient computer is readable
Storage medium stores computer instruction, and the computer instruction executes the computer provided by above-mentioned each method embodiment
Method, for example, if the uplink level value for detecting user terminal indicates the user terminal lower than the first level threshold
B1 is reported to measure；Receive the B1 measurement that the user terminal reports；If the B1 measurement meets default B1 thresholding in preset time
And the uplink level value of the user terminal meets second electrical level thresholding, then initiates SRVCC switching flow to the user terminal,
The VOLTE voice service of the weak covering of uplink is transferred to the domain CS.
Those of ordinary skill in the art will appreciate that: realize that above equipment embodiment or embodiment of the method are only schematic
, wherein the processor and the memory can be physically separate component may not be it is physically separated, i.e.,
It can be located in one place, or may be distributed over multiple network units.It can select according to the actual needs therein
Some or all of the modules achieves the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creative labor
In the case where dynamic, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of SRVCC switching method characterized by comprising
If detecting, the uplink level value of user terminal lower than the first level threshold, indicates that the user terminal reports B1 to survey
Amount；
Receive the B1 measurement that the user terminal reports；
If the B1 measurement meets default B1 thresholding in preset time and the uplink level value of the user terminal meets the second electricity
Jib door limit, then initiate SRVCC switching flow to the user terminal, the VOLTE voice service of the weak covering of uplink be transferred to
The domain CS.
2. the method according to claim 1, wherein the method also includes:
If detecting, the uplink level value of user terminal is greater than or equal to first level threshold, indicates the user terminal
Stopping reports B1 to measure.
3. method according to claim 1 or 2, which is characterized in that the user terminal are as follows: establish bearing link with base station
And the user terminal for being registered to IMS domain, establishing the carrying of QCI5 while establishing the dedicated bearer of QCI1.
4. the method according to claim 1, wherein if the uplink level value for detecting user terminal is lower than
First level threshold then indicates that the user terminal reports B1 to measure, before further include:
Judge whether the user terminal triggers the SRVCC switching based on downlink covering and/or the SRVCC switching based on quality；
If it is not, then detecting the uplink level value of the user terminal.
5. the method according to claim 1, wherein if the uplink level value for detecting user terminal is lower than
First level threshold then indicates that the user terminal reports B1 to measure, before further include: it is normal that the user terminal is not detected
On-hook or abnormal release.
6. according to the method described in claim 5, it is characterized in that, if the uplink level value for detecting user terminal is lower than
First level threshold then indicates that the user terminal reports B1 to measure, specifically includes:
Detect whether the user terminal triggers the SRVCC switching based on downlink covering or the SRVCC switching based on quality, if
It is no, then the uplink level value of the user terminal is acquired and parsed in real time；
If detecting, the uplink level value of user terminal lower than the first level threshold, indicates that the user terminal reports B1 to survey
Amount.
7. a kind of SRVCC switching device, which is characterized in that including detection module, receiving module and switching module；
The detection module, if for detecting the uplink level value of user terminal lower than the first level threshold, described in instruction
User terminal reports B1 to measure；
The receiving module, the B1 measurement reported for receiving the user terminal；
The switching module, if meeting the uplink of default B1 thresholding and the user terminal for B1 described in preset time measurement
Level value meets second electrical level thresholding, then SRVCC switching flow is initiated to the user terminal, by the weak covering of uplink
VOLTE voice service is transferred to the domain CS.
8. device according to claim 7, which is characterized in that the user terminal are as follows: establish bearing link simultaneously with base station
The user terminal for being registered to IMS domain, establishing the carrying of QCI5 while establishing the dedicated bearer of QCI1.
9. a kind of SRVCC switching equipment characterized by comprising
At least one processor；And
At least one processor being connect with the processor communication, in which:
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to instruct energy
Enough methods executed as described in claim 1 to 6 is any.
10. a kind of non-transient computer readable storage medium, which is characterized in that the non-transient computer readable storage medium is deposited
Computer instruction is stored up, the computer instruction makes the computer execute the method as described in claim 1 to 6 is any.
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