CN104378794A - Method and device for switching between different systems and access network device - Google Patents

Method and device for switching between different systems and access network device Download PDF

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Publication number
CN104378794A
CN104378794A CN201310354761.2A CN201310354761A CN104378794A CN 104378794 A CN104378794 A CN 104378794A CN 201310354761 A CN201310354761 A CN 201310354761A CN 104378794 A CN104378794 A CN 104378794A
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China
Prior art keywords
network
terminal
territory
release
business
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CN201310354761.2A
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Chinese (zh)
Inventor
许时彰
吴朝健
许鑫燕
孔祥刚
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China Mobile Group Guangdong Co Ltd
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China Mobile Group Guangdong Co Ltd
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Priority to CN201310354761.2A priority Critical patent/CN104378794A/en
Publication of CN104378794A publication Critical patent/CN104378794A/en
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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
    • H04W36/0027—Control or signalling for completing the hand-off for data sessions of end-to-end connection for a plurality of data sessions of end-to-end connections, e.g. multi-call or multi-bearer end-to-end data connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—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
    • 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
    • H04W36/26—Reselection being triggered by specific parameters by agreed or negotiated communication parameters
    • H04W36/28—Reselection being triggered by specific parameters by agreed or negotiated communication parameters involving a plurality of connections, e.g. multi-call or multi-bearer connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Abstract

The embodiment of the invention provides a method and device for switching between different systems and an access network device. The method comprises the steps that when the switching decision of a circuit switching (CS) domain service of a terminal from a third generation mobile communication technology (3G) network to a second generation mobile communication technology (2G) network needs to be carried out, whether a packet switching (PS) domain service exists in the terminal at the same time or not is judged, and a judging result is obtained; when the judging result is yes, a release request message of IU connection of the PS domain service is sent to a core network CN before the switching judgment mechanism of the CS domain service from the 3G network to the 2G network is started. According to the method and device for switching between different systems and the access network device, the situation that due to the fact that the CS domain service and the PS domain service exist in the terminal at the same time, the lost connection fault of the PS domain is caused by the switching of the CS domain service of the terminal from the 3G network to the 2G network is avoided.

Description

A kind of different-system switching method, device and access network equipment
Technical field
The present invention relates to wireless domain, particularly relate to a kind of different-system switching method, device and access network equipment.
Background technology
In daily radio network optimization work, under we have found a kind of voice and packet data concurrent service, by the different systematic evaluation in CS territory (namely CS territory voice switch to 2G network by 3G network), cause the fault that 3G network-PS territory goes offline.To go offline situation by adding up the PS territory of Foshan RNC06 a certain period, we find that total number of dropped calls is about 3600 times, and the PS territory of this type of reason goes offline more than 1200 times altogether, account for that all PS territories go offline about 1/3.If therefore can reduce, even solve the drop rate of this type of fault, for improving the whole network PS territory drop rate index, promoting client PS territory service-aware by of great advantage.
Here, 2 under voice and packet data concurrent service, 3G network handover mechanism will first be introduced.Voice and packet data concurrent service, namely multiple CS territory, PS territory business occur simultaneously, are 3G network distinct characteristics.Voice and packet data concurrent service, while enriching Consumer's Experience, also brings a series of problem.Such as here, just draw a problem, if occur 2,3G network interoperability, preferential with the switching criterion in CS territory, or preferential with the switching criterion of PS?---under current mechanism, in line with the principle that voice are preferential, different systematic evaluation under voice and packet data concurrent service is all for override with CS territory.That is, the 3G network under the voice and packet data concurrent service of+PS territory, CS territory switches 2G network, is as the criterion with the switching criterion in CS territory.
In Fig. 1, totally 7 row, the project often arranged, is from left to right followed successively by the event in sequence number, time, agreement, direction, message, the cause value of Iu Release Request and measurement report.With reference to Fig. 1, the typical signalling flow journey of this type of fault is as follows:
The voice call of sequence number 62-65:CS territory is connected.
Sequence number 80:CS territory business reports 3a measurement report.(3a report: namely when mobile phone for measuring be weaker than certain threshold value to 3G network signal strength signal intensity, 2G network signal intensity is better than certain threshold value, namely trigger 3a report, for RNC adjudicate carry out different systematic evaluation)
After sequence number 81:RNC receives 3a measurement report, trigger RNC and report RelocationRequired to core net, re-positioning request.
Sequence number 82: after core net receives rear re-positioning request, issues Relocation Command, reorientation order.
After sequence number 83:RNC receives the reorientation order that core net issues, trigger RNC and issue handoverFrom UTRAN Command to UE.
Sequence number 84:RNC reports Iu Release Request to CN, and creating a cause value is going offline of RNLC_CS2GSM_PSDROP.This is because carry out the voice and packet data concurrent service in+PS territory, CS territory before UE, present CS territory voice are switched to 2G network and have gone, but PS territory does not but switch 2G network in the past with CS territory voice, the IU in the necessary original PS territory of forcible aborting of RNC connects, and therefore creates and goes offline.If do not have concurrent PS territory business, normal signaling process should be that CN issues Iu Release Command and reports Iu Release Complete to CN again to RNC, RNC.As shown in table 1:
Table 1
Message Interface Direction
MEASUREMENT CONTROL UU RNC->UE
MEASUREMENT REPORT UU UE->RNC
RELOCATION REQUIRED IU RNC->CN
RELOCATION COMMAND IU CN->RNC
Handover From UTRAN Command UU RNC->UE
IU RELEASE COMMAND IU CN->RNC
IU RELEASE COMPLETE IU RNC->CN
In Table 1, IU interface is the interface between universal mobile telecommunications system (Universal MobileTelecommunications System, UMTS) land radio access web (UMTS Terrestrial RadioAccess Network, UTRAN) and CN.
Sequence number 85: core net issues Iu ReleaseCommand to RNC, removes and connect at the Iu of 3G network network after receiving the Iu Release Request that RNC reports.
Under 3G network network, when UE carries out the voice and packet data concurrent service in+PS territory, CS territory, if CS territory voice have carried out different systematic evaluation (3G network switches to 2G network), then can cause originally to produce in the PS territory business of 3G network going offline.
Summary of the invention
In view of this, the object of the embodiment of the present invention is to provide a kind of different-system switching method, device and access network equipment, when there is CS territory business and PS territory business to avoid terminal, the PS territory that the CS territory business due to terminal causes from 3G network to the switching of 2G network goes offline fault simultaneously.
For solving the problems of the technologies described above, the embodiment of the present invention provides scheme as follows:
The embodiment of the present invention provides a kind of different-system switching method, and for an access network equipment, described method comprises:
The circuit-switched CS domain business needing to carry out terminal by G mobile communication 3G network to the switch decision of Generation Mobile Telecommunication System technology 2G network time, judge whether described terminal exists packet switched ps domain business simultaneously, obtains a judged result;
When described judged result is for being, start described CS territory business by 3G network to 2G network handover decision mechanism before, send the releasing request message of the IU connection of described PS territory business to core net CN.
Preferably, the cause value in described releasing request message is be not counted in PS territory to go offline the first cause value of fault statistics.
Preferably, the measurement report receiving described terminal to report shows: need the CS territory business of carrying out terminal by the switch decision of 3G network to 2G network;
Wherein, described measurement report is used to indicate described CS territory business the needs being switched to 2G network from 3G network;
Described first cause value is: user is inactive.
Preferably, measurement report that described terminal reports simultaneously is received and signaling Connection Release Indication message shows: need to carry out the CS territory business of terminal by the switch decision of 3G network to 2G network; Wherein, described signaling Connection Release Indication message is corresponding with described PS territory business;
Described first cause value is the release that the signaling Connection Release produced due to terminal causes;
Wherein, triggering is in the following way reported while described measurement report and described signaling Connection Release Indication message:
Described terminal is when needs send described measurement report to described access network equipment, judge whether described terminal exists PS territory business simultaneously, if so, then trigger described terminal and report described measurement report and described signaling Connection Release Indication message to described access network equipment simultaneously.
Preferably, after the releasing request message that the described IU sending described PS territory business to CN connects, described method also comprises:
Receive the release command message of the described IU connection that described CN returns;
To the Release complete that described CN reports described IU to connect, start described handover decision mechanism simultaneously.
Preferably, also comprise:
When sending described releasing request message to described CN, start a timer;
The described Release complete reporting described IU to connect to described CN, starts described handover decision mechanism simultaneously and specifically comprises:
When receiving the described release command message that described CN returns before described timer timing terminates, report described Release complete to described CN, start described handover decision mechanism simultaneously;
When not receiving the described release command message that described CN returns before described timer timing terminates, start described handover decision mechanism.
The embodiment of the present invention also provides a kind of different system switching device, and for an access network equipment, described device comprises:
Acquisition module, for the circuit-switched CS domain business needing to carry out terminal by G mobile communication 3G network to the switch decision of Generation Mobile Telecommunication System technology 2G network time, judge whether described terminal exists packet switched ps domain business simultaneously, obtains a judged result;
Sending module, for when described judged result is for being, start described CS territory business by 3G network to 2G network handover decision mechanism before, send the releasing request message of the IU connection of described PS territory business to core net CN.
Preferably, the cause value in described releasing request message is be not counted in PS territory to go offline the first cause value of fault statistics.
Preferably, the measurement report receiving described terminal to report shows: need the CS territory business of carrying out terminal by the switch decision of 3G network to 2G network;
Wherein, described measurement report is used to indicate described CS territory business the needs being switched to 2G network from 3G network;
Described first cause value is: user is inactive.
Preferably, measurement report that described terminal reports simultaneously is received and signaling Connection Release Indication message shows: need to carry out the CS territory business of terminal by the switch decision of 3G network to 2G network; Wherein, described signaling Connection Release Indication message is corresponding with described PS territory business;
Described first cause value is the release that the signaling Connection Release produced due to terminal causes;
Wherein, triggering is in the following way reported while described measurement report and described signaling Connection Release Indication message:
Described terminal is when needs send described measurement report to described access network equipment, judge whether described terminal exists PS territory business simultaneously, if so, then trigger described terminal and report described measurement report and described signaling Connection Release Indication message to described access network equipment simultaneously.
Preferably, described device also comprises:
Receiver module, for described sending module to after the releasing request message that the IU that CN sends described PS territory business connects, receives the release command message that described IU that described CN returns connects;
Report and start module, for the Release complete reporting described IU to connect to described CN, starting described handover decision mechanism simultaneously.
Preferably, also comprise:
Starting module, for when sending described releasing request message to described CN, starting a timer;
Described report and start module specifically comprise:
Report and start unit, during for receiving described release command message that described CN returns before terminating in described timer timing, reporting described Release complete to described CN, starting described handover decision mechanism simultaneously;
Start unit, during for not receiving described release command message that described CN returns before terminating in described timer timing, starts described handover decision mechanism.
The embodiment of the present invention also provides a kind of access network equipment comprising above-described different system switching device.
As can be seen from the above, the embodiment of the present invention at least has following beneficial effect:
By the circuit-switched CS domain business needing to carry out terminal by 3G network to the switch decision of 2G network time, if there is packet switched ps domain business in described terminal simultaneously, then start described CS territory business by 3G network to 2G network handover decision mechanism before, the releasing request message of the IU connection of described PS territory business is sent to core net CN, thus, because requested the release that IU connects in advance, then would not send to CN the Iu releasing request message gone offline that cause value is RNLC_CS2G network SM_PSDROP in CS territory business is by 3G network to the handoff procedure of 2G network, thus avoid terminal when there is CS territory business and PS territory business simultaneously, the PS territory caused from 3G network to the switching of 2G network due to the CS territory business of terminal goes offline fault.
Accompanying drawing explanation
Fig. 1 represents that PS territory of the prior art goes offline the typical signalling flow journey schematic diagram of fault;
Fig. 2 represents the flow chart of steps of a kind of different-system switching method that the embodiment of the present invention provides;
Fig. 3 represents the algorithm flow schematic diagram of the better embodiment one of the embodiment of the present invention;
Fig. 4 represents the algorithm flow schematic diagram of the better embodiment two of the embodiment of the present invention;
Fig. 5 represents the structural representation of a kind of different system switching device that the embodiment of the present invention provides.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawings and the specific embodiments the embodiment of the present invention is described in detail.
Fig. 2 represents the flow chart of steps of a kind of different-system switching method that the embodiment of the present invention provides, and with reference to Fig. 2, the embodiment of the present invention provides a kind of different-system switching method, and described method comprises the steps:
Step 201, needing circuit switching (CS) (Circuit Swithing) the territory business of carrying out terminal by G mobile communication 3G(3rd-Generation) network is to Generation Mobile Telecommunication System technology 2G(2nd-Generation) switch decision of network time, judge whether described terminal exists packet switching PS(Packet Swithing simultaneously) territory business, obtain a judged result;
Step 202, when described judged result is for being, start described CS territory business by 3G network to 2G network handover decision mechanism before, to core net CN(Core Network) send releasing request (the Iu Release Request) message of the IU connection of described PS territory business.
Described method is used for an access network equipment.
Visible, by the circuit-switched CS domain business needing to carry out terminal by 3G network to the switch decision of 2G network time, if there is packet switched ps domain business in described terminal simultaneously, then start described CS territory business by 3G network to 2G network handover decision mechanism before, the releasing request message of the IU connection of described PS territory business is sent to core net CN, thus, because requested the release that IU connects in advance, then would not send to CN the Iu releasing request message gone offline that cause value is RNLC_CS2G network SM_PSDROP in CS territory business is by 3G network to the handoff procedure of 2G network, thus avoid terminal when there is CS territory business and PS territory business simultaneously, the PS territory caused from 3G network to the switching of 2G network due to the CS territory business of terminal goes offline fault.Also improve client PS territory service-aware.
Wherein, described access network equipment such as: radio network controller (Radio Network Controller, RNC).
3G network is such as: Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, WCDMA) network, TD SDMA (Time Division-Synchronous Code DivisionMultiple Access, TD-SCDMA) network etc.
2G network is such as: global mobile communication (Global System for Mobile Communications, GSM) network etc.
IU connects for the signaling of IU interface connects.Iu Release Request message is transmitted on IU interface.
Cause value in described releasing request message can to go offline the cause value of fault statistics for counting PS territory; Or, in order to avoid the transmission starting the releasing request message before handover decision mechanism causes PS territory to go offline fault statistics, cause value in described releasing request message also can to go offline the first cause value of fault statistics for being not counted in PS territory, such as user inactive (user-inactivity) or the signaling Connection Release that produces due to terminal and the release (release-due-to-UE-generated-signalling-connection-releas e) etc. that causes.
For the situation that the cause value in described releasing request message is described first cause value, in order to minimize the impact on original algorithm flow, can be realized by one of the following two kinds mode:
< implementation one >
For implementation one, only access network equipment side is carried out to the change on algorithm flow, then can have:
The measurement report receiving described terminal to report shows: need the CS territory business of carrying out terminal by the switch decision of 3G network to 2G network;
Wherein, described measurement report is used to indicate described CS territory business the needs being switched to 2G network from 3G network;
Described first cause value is: user is inactive.
< implementation two >
For implementation two, end side and access network equipment side are all carried out to the change on algorithm flow, then can have:
Receive measurement report that described terminal reports simultaneously and signaling Connection Release indication signaling Connection Release instruction (Signalling Connection Release Indication) message shows: need to carry out the CS territory business of terminal by the switch decision of 3G network to 2G network; Wherein, described signaling Connection Release Indication message is corresponding with described PS territory business;
Described first cause value is the release that the signaling Connection Release produced due to terminal causes;
Wherein, triggering is in the following way reported while described measurement report and described signaling Connection Release Indication message:
Described terminal is when needs send described measurement report to described access network equipment, judge whether described terminal exists PS territory business simultaneously, if so, then trigger described terminal and report described measurement report and described signaling Connection Release Indication message to described access network equipment simultaneously.
In embodiments of the present invention, start immediately after the releasing request message that described handover decision mechanism can connect at the described IU sending described PS territory business to CN; Or described handover decision mechanism also can start, so can have when CN described in described access network equipment side direction indicates described IU Connection Release to complete (Iu ReleaseComplete):
After the releasing request message that the described IU sending described PS territory business to CN connects, described method also comprises:
Receive the release command message (Iu Release Command) of the described IU connection that described CN returns;
To the Release complete that described CN reports described IU to connect, start described handover decision mechanism simultaneously.
Further, consider and longly with CN interaction time may cause different systematic evaluation not in time, affect the perception of voice call, described method can also comprise:
When sending described releasing request message to described CN, start a timer;
The described Release complete reporting described IU to connect to described CN, starts described handover decision mechanism simultaneously and specifically comprises:
When receiving the described release command message that described CN returns before described timer timing terminates, report described Release complete to described CN, start described handover decision mechanism simultaneously;
When not receiving the described release command message that described CN returns before described timer timing terminates, start described handover decision mechanism.
For the embodiment of the present invention being set forth clearly clear, provide the better embodiment of the embodiment of the present invention below.
< better embodiment one >
In better embodiment one, mainly increase new algorithm flow in RNC side, with reference to Fig. 3, the algorithm flow after increasing comprises the steps:
Step 301:RNC receives the 3a measurement report in CS territory that UE reports, and namely now 3G network signal strength signal intensity is weaker than certain threshold value and 2G network signal intensity is better than certain threshold value, has the needs switching 2G network.
Step 302:RNC judges whether have concurrent PS territory business to exist simultaneously.If so, then step 303 is entered; No, then enter step 306.
Step 303: trigger RNC and report cause value to be the Iu Release Request of user-inactivity, initiative discharges this PS territory business; The different systematic evaluation of arrest of judgement simultaneously, and start timer T.
The Iu Release Request of this step and the ingenious user-inactivity of make use of is not added up in this feature in Counter that goes offline.
The object of timer T is: RNC is after reporting Iu Release Request, if do not receive the Iu Release Command that CN issues, can after timer T time-out, cross this step and directly enter the different systematic evaluation decision steps of CS territory voice, in order to avoid waits for too long causes different systematic evaluation not in time, have impact on voice call perception.
If step 304:RNC receives the Iu Release Command that CN issues before T time-out, then enter step 305; Otherwise enter step 306.
Step 305: stop timer T, triggers RNC and reports Iu Release Complete to CN and enter step 306 simultaneously.
Step 306:RNC starts different systematic evaluation decision mechanism, enters the different systematic evaluation flow process in normal CS territory.
In better embodiment one, no matter in step 304, whether RNC receives the Iu Release Command that CN issues before T time-out, after the different systematic evaluation decision mechanism of startup, all can not send to CN the Iu Release Request gone offline that cause value is RNLC_CS2GSM_PSDROP.
In better embodiment one, T also can be set to 0, that is, RNC reported cause value be the Iu Release Request of user-inactivity after start switch decision immediately, and issuing of IuRelease Command need not be waited.
< better embodiment two >
In better embodiment two, increase new algorithm flow in UE side and RNC side, with reference to Fig. 4, the algorithm flow after increasing comprises the steps: simultaneously
Step 401:UE, when carrying out the speech business of CS territory, measures 3G network and 2G network signal intensity, reaches the threshold value triggering 3a measurement report.Namely now 3G network signal strength signal intensity is weaker than certain threshold value and GSM signal strength signal intensity is better than certain threshold value, has the needs switching 2G network.
Step 402:UE judges whether have concurrent PS territory business to exist simultaneously.If so, then step 403 is entered; No, then trigger UE and report 3a measurement report, then enter after step 408-RNC receives rear 3a measurement report and start different systematic evaluation decision mechanism, enter the different systematic evaluation flow process in normal CS territory.
Step 403: trigger UE and report 3a measurement report and Signalling ConnectionRelease Indication to RNC simultaneously.
After step 404:RNC receives 3a measurement report and Signalling Connection ReleaseIndication simultaneously, judge whether UE carries out voice and packet data concurrent service.Enter step 405; No, then enter step 408.
The different systematic evaluation of step 405:RNC arrest of judgement, trigger RNC simultaneously and report cause value to be the Iu Release Request of release-due-to-UE-generated-signalling-connection-releas e, initiative discharges this PS territory business; And start timer T ' simultaneously.This step and the ingenious release-due-to-UE-generated-signalling-connection-releas of make use of e are not added up in this feature in Counter that goes offline.
The object of timer T ' is: RNC, after reporting Iu Release Request, if do not receive the Iu Release Command that CN issues, after timer T ' time-out, can cross this step and directly enter the different systematic evaluation decision steps of CS territory voice.In order to avoid waits for too long causes different systematic evaluation not in time, have impact on voice call perception.The effect of this timer and the same in better embodiment one.
If step 406:RNC receives the Iu Release Command that CN issues before T ' time-out, then enter step 407; Otherwise enter step 408.
Step 407: stop timer T ', triggers RNC and reports Iu Release Complete to CN and enter step 408 simultaneously.
Step 408:RNC starts different systematic evaluation decision mechanism, enters the different systematic evaluation flow process in normal CS territory.
In better embodiment two, no matter in step 406, whether RNC receives the Iu Release Command that CN issues before T ' time-out, after the different systematic evaluation decision mechanism of startup, all can not send to CN the Iu Release Request gone offline that cause value is RNLC_CS2GSM_PSDROP.
In better embodiment two, T ' also can be set to 0, that is, RNC reported cause value be the Iu Release Request of user-inactivity after start switch decision immediately, and issuing of IuRelease Command need not be waited.
Under above-mentioned better embodiment all can solve 3G network voice and packet data concurrent service effectively, the fault causing PS territory to go offline after CS territory business different systematic evaluation to 2G network, all effectively can improve the whole network PS territory drop rate index, promote client PS territory service-aware, all there is higher practical value and innovative value.
The application of above-mentioned better embodiment is all extremely wide, all can be applied to all 3G network networks based on 3G network PP agreement, as TD-SCDMA, WCDMA etc.
Fig. 5 represents the structural representation of a kind of different system switching device that the embodiment of the present invention provides, and with reference to Fig. 5, the embodiment of the present invention also provides a kind of different system switching device, and described device comprises:
Acquisition module 501, for needing the circuit-switched CS domain business of carrying out terminal by G mobile communication 3G(3rd-Generation) network is to Generation Mobile Telecommunication System technology 2G(2nd-Generation) switch decision of network time, judge whether described terminal exists packet switched ps domain business simultaneously, obtains a judged result;
Sending module 502, for when described judged result is for being, start described CS territory business by 3G network to 2G network handover decision mechanism before, send the releasing request message of the IU connection of described PS territory business to core net CN.
Described device is used for an access network equipment.
Visible, by the circuit-switched CS domain business needing to carry out terminal by 3G network to the switch decision of 2G network time, if there is packet switched ps domain business in described terminal simultaneously, then start described CS territory business by 3G network to 2G network handover decision mechanism before, the releasing request message of the IU connection of described PS territory business is sent to core net CN, thus, because requested the release that IU connects in advance, then would not send to CN the Iu releasing request message gone offline that cause value is RNLC_CS2G network SM_PSDROP in CS territory business is by 3G network to the handoff procedure of 2G network, thus avoid terminal when there is CS territory business and PS territory business simultaneously, the PS territory caused from 3G network to the switching of 2G network due to the CS territory business of terminal goes offline fault.Also improve client PS territory service-aware.
In embodiments of the present invention, the cause value in described releasing request message can to go offline the first cause value of fault statistics for being not counted in PS territory.
Further, Ke Yiyou:
The measurement report receiving described terminal to report shows: need the CS territory business of carrying out terminal by the switch decision of 3G network to 2G network;
Wherein, described measurement report is used to indicate described CS territory business the needs being switched to 2G network from 3G network;
Described first cause value is: user is inactive.
Or, Ke Yiyou:
Receive measurement report that described terminal reports simultaneously and signaling Connection Release Indication message shows: need to carry out the CS territory business of terminal by the switch decision of 3G network to 2G network; Wherein, described signaling Connection Release Indication message is corresponding with described PS territory business;
Described first cause value is the release that the signaling Connection Release produced due to terminal causes;
Wherein, triggering is in the following way reported while described measurement report and described signaling Connection Release Indication message:
Described terminal is when needs send described measurement report to described access network equipment, judge whether described terminal exists PS territory business simultaneously, if so, then trigger described terminal and report described measurement report and described signaling Connection Release Indication message to described access network equipment simultaneously.
In embodiments of the present invention, described device can also comprise:
Receiver module, for described sending module 502 to after the releasing request message that the IU that CN sends described PS territory business connects, receives the release command message that described IU that described CN returns connects;
Report and start module, for the Release complete reporting described IU to connect to described CN, starting described handover decision mechanism simultaneously.
Further, can also comprise:
Starting module, for when sending described releasing request message to described CN, starting a timer;
Described report and start module specifically comprise:
Report and start unit, during for receiving described release command message that described CN returns before terminating in described timer timing, reporting described Release complete to described CN, starting described handover decision mechanism simultaneously;
Start unit, during for not receiving described release command message that described CN returns before terminating in described timer timing, starts described handover decision mechanism.
The embodiment of the present invention also provides a kind of access network equipment, and described access network equipment comprises above-described different system switching device.Described access network equipment is such as: RNC.
The above is only the execution mode of the embodiment of the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from embodiment of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection range of the embodiment of the present invention.

Claims (13)

1. a different-system switching method, for an access network equipment, is characterized in that, described method comprises:
The circuit-switched CS domain business needing to carry out terminal by G mobile communication 3G network to the switch decision of Generation Mobile Telecommunication System technology 2G network time, judge whether described terminal exists packet switched ps domain business simultaneously, obtains a judged result;
When described judged result is for being, start described CS territory business by 3G network to 2G network handover decision mechanism before, send the releasing request message of the IU connection of described PS territory business to core net CN.
2. method according to claim 1, is characterized in that, the cause value in described releasing request message is be not counted in PS territory to go offline the first cause value of fault statistics.
3. method according to claim 2, is characterized in that, the measurement report receiving described terminal to report shows: need the CS territory business of carrying out terminal by the switch decision of 3G network to 2G network;
Wherein, described measurement report is used to indicate described CS territory business the needs being switched to 2G network from 3G network;
Described first cause value is: user is inactive.
4. method according to claim 2, is characterized in that, receives measurement report that described terminal reports simultaneously and signaling Connection Release Indication message shows: need to carry out the CS territory business of terminal by the switch decision of 3G network to 2G network; Wherein, described signaling Connection Release Indication message is corresponding with described PS territory business;
Described first cause value is the release that the signaling Connection Release produced due to terminal causes;
Wherein, triggering is in the following way reported while described measurement report and described signaling Connection Release Indication message:
Described terminal is when needs send described measurement report to described access network equipment, judge whether described terminal exists PS territory business simultaneously, if so, then trigger described terminal and report described measurement report and described signaling Connection Release Indication message to described access network equipment simultaneously.
5. method according to claim 1, is characterized in that, after the releasing request message that the described IU sending described PS territory business to CN connects, described method also comprises:
Receive the release command message of the described IU connection that described CN returns;
To the Release complete that described CN reports described IU to connect, start described handover decision mechanism simultaneously.
6. method according to claim 5, is characterized in that, also comprises:
When sending described releasing request message to described CN, start a timer;
The described Release complete reporting described IU to connect to described CN, starts described handover decision mechanism simultaneously and specifically comprises:
When receiving the described release command message that described CN returns before described timer timing terminates, report described Release complete to described CN, start described handover decision mechanism simultaneously;
When not receiving the described release command message that described CN returns before described timer timing terminates, start described handover decision mechanism.
7. a different system switching device, for an access network equipment, is characterized in that, described device comprises:
Acquisition module, for the circuit-switched CS domain business needing to carry out terminal by G mobile communication 3G network to the switch decision of Generation Mobile Telecommunication System technology 2G network time, judge whether described terminal exists packet switched ps domain business simultaneously, obtains a judged result;
Sending module, for when described judged result is for being, start described CS territory business by 3G network to 2G network handover decision mechanism before, send the releasing request message of the IU connection of described PS territory business to core net CN.
8. device according to claim 7, is characterized in that, the cause value in described releasing request message is be not counted in PS territory to go offline the first cause value of fault statistics.
9. device according to claim 8, is characterized in that, the measurement report receiving described terminal to report shows: need the CS territory business of carrying out terminal by the switch decision of 3G network to 2G network;
Wherein, described measurement report is used to indicate described CS territory business the needs being switched to 2G network from 3G network;
Described first cause value is: user is inactive.
10. device according to claim 8, is characterized in that, receives measurement report that described terminal reports simultaneously and signaling Connection Release Indication message shows: need to carry out the CS territory business of terminal by the switch decision of 3G network to 2G network; Wherein, described signaling Connection Release Indication message is corresponding with described PS territory business;
Described first cause value is the release that the signaling Connection Release produced due to terminal causes;
Wherein, triggering is in the following way reported while described measurement report and described signaling Connection Release Indication message:
Described terminal is when needs send described measurement report to described access network equipment, judge whether described terminal exists PS territory business simultaneously, if so, then trigger described terminal and report described measurement report and described signaling Connection Release Indication message to described access network equipment simultaneously.
11. devices according to claim 7, is characterized in that, described device also comprises:
Receiver module, for described sending module to after the releasing request message that the IU that CN sends described PS territory business connects, receives the release command message that described IU that described CN returns connects;
Report and start module, for the Release complete reporting described IU to connect to described CN, starting described handover decision mechanism simultaneously.
12. devices according to claim 11, is characterized in that, also comprise:
Starting module, for when sending described releasing request message to described CN, starting a timer;
Described report and start module specifically comprise:
Report and start unit, during for receiving described release command message that described CN returns before terminating in described timer timing, reporting described Release complete to described CN, starting described handover decision mechanism simultaneously;
Start unit, during for not receiving described release command message that described CN returns before terminating in described timer timing, starts described handover decision mechanism.
13. 1 kinds of access network equipments, is characterized in that, comprise the different system switching device according to any one of claim 7 to 12.
CN201310354761.2A 2013-08-14 2013-08-14 Method and device for switching between different systems and access network device Pending CN104378794A (en)

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