CN101500223A - Method for switching terminal across network elements and mobility management network element - Google Patents
Method for switching terminal across network elements and mobility management network element Download PDFInfo
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Abstract
The invention discloses a method for switching a terminal between access network elements, and a mobile management network element. A terminal is switched to a second access network element from a first access network element; if the switching causes a change of a service gateway, the terminal is informed to close an ISR mode so as to avoid the problem that the uncorrespondance between an ISR mechanism at the terminal and an ISP mechanism on the network side results in the terminal communication failure after the terminal is spanned over a mobile management network element; and after the ISR mechanism at the terminal is closed and the terminal is switched over the mobile network element, the terminal can be attached to the network again so as to realize the normal communication.
Description
Technical field
The present invention relates to communication technical field, be specifically related to terminal and span into method and the mobile management network element that network element switches.
Background technology
The core net of wireless evolution network mainly comprises mobile management network element (Mobility ManagementEntity, MME), gateway (Serving Gateway, Serving GW), packet data network gateway (Packet Data Network Gateway, PDN Gateway) three logic function bodies, MME wherein is a Mobility Management Entity, be responsible for functions such as NAS signaling and the encryption of NAS signaling and roaming, tracking, distributing user temporary identity sign, safety function etc., it is corresponding to the chain of command part of current UMTS internal system SGSN.Gateway is responsible for the local mobility anchor point and the mobility anchor point and the Lawful Interception relevant information of 3GPP internal system; PDN Gateway then is responsible for strategy execution and charging and Lawful Interception correlation function.
A demand of evolvement network is to realize that Idle mode signalling reduction (also is referred to as saving signaling or limitation signaling under the idle pulley, be called for short ISR) function, it mainly is to reduce idle pulley UE down in the mobile management flow process between the different access networks (as reducing the Inter 3GPP Access System Mobility in Idle State processing between GERAN/UTRAN and the EUTRAN).The solution of the Idle mode signalling reduction mechanism between the 3GPP access network is two login mechanisms at present, be that UE registers at two different access networks, the mobile management network element of described two different access networks is all preserved the MM Context of this UE.UE under the idle pulley will not trigger Inter 3GPP Access System Mobility flow process when mobile between these two access networks like this, as the Routing Area Update between system/tracing section updating flow process.
The method that provides existing terminal to switch between access network element below, flow chart comprise as shown in Figure 1:
101, target side access network element sendaisle conversion request is given mobile management network element, and notice mobile management network element UE is at the access network element of target side; Mobile management network element decision Serving GW switches.
102, mobile management network element sends and creates the Serving GW of carrying request to target side, and bearing resource is set up in request.
The Serving GW of 103a, target side sends more new bearer request to PDN GW.
103b, PDN GW return new bearer more and respond Serving GW to target side.
104, the Serving GW of target side returns and creates the carrying response to mobile management network element.Downlink data channel is got through.
105, mobile management network element sendaisle conversion request acknowledge message is given the target side access network element.The upstream data passage is got through.
106, the target side access network element sends and discharges message related to resources to former access network element.Notify former side joint to go into network element and discharge resource.
107a, mobile management network element send the deleting bearing request to former side Serving GW, delete the bearing resource about this UE of former side Serving GW.
107b, former side Serving GW return the deleting bearing response message and give mobile management network element, and indication discharges about this UE bearing resource.
In research and practice process to prior art, the inventor finds that there is following problem in prior art:
In above-mentioned switching flow,, cause gateway (ServingGW) that switching has taken place because switching has taken place access network element.Because under the mechanism of ISR, when UE is in Idle state following time, gateway is the anchor point of terminal use's face, therefore, when gateway switches, mobile management network element can be with the deletion of the ISR of network side mechanism, and after switching, and the UE side does not also know that network side deletes the ISR mechanism of this UE.Cross over local mobility management unit and move to when setting up the opposite end mobile management network element of ISR mechanism when this UE is in Idle state with local mobility management unit, the UE side still can be enabled ISR mechanism, deleted about context and the related data of this UE and set up on the opposite end mobile management network element of ISR mechanism with local mobility management unit, this UE then can occur and can't be attached to network again, and even serious problems that can't proper communication, cause damage to the user, reduce telecommunication service quality.
Summary of the invention
The technical problem that the embodiment of the invention solves provides terminal and spans into method and the mobile management network element that network element switches, and is striding the problem that can't communicate by letter behind the mobile management network element with the ISR mechanism of avoiding in terminal with the not corresponding terminal that causes of the ISR mechanism of network side.
The embodiment of the invention provides a kind of terminal to span into the method that network element switches, and comprising:
Terminal switches to second access network element from first access network element;
If this switching has caused gateway to change; Then notify described terminal to close the ISR pattern.
A kind of mobile management network element that the embodiment of the invention provides comprises: judging unit and ISR close notification unit;
Judging unit after being used for terminal and switching to second access network element from first access network element, judges whether this switching has caused gateway whether to change;
ISR closes notification unit, is used for when described switching causes gateway to change, and notifies described terminal to close the ISR pattern.
A kind of terminal equipment that the embodiment of the invention provides comprises: comprising: receiving element and ISR close
The unit;
Receiving element is used to receive the ISR deexcitation request of network side;
The ISR closing unit is used for closing local ISR pattern according to described request.
Adopt technique scheme, embodiment of the invention beneficial technical effects is:
In the embodiment of the invention, terminal switches to second access network element from first access network element; If whether this switching has caused gateway to change; Then notify described terminal to close the ISR pattern.The ISR mechanism that can avoid in terminal is being striden the problem that can't communicate by letter behind the mobile management network element with the not corresponding terminal that causes of the ISR mechanism of network side, after the ISR mechanism of end side is closed, after terminal is striden the mobile management network element switching, can adhere to again, realize proper communication.
Description of drawings
Fig. 1 is the flow chart of the method that terminal is switched between access network element in the prior art;
Fig. 2 spans into the flow chart of the method for network element switching for the embodiment of the invention one terminal;
Fig. 3 (a) is a kind of structural representation of the embodiment of the invention two mobile management network elements;
Fig. 3 (b) is a kind of structural representation of the embodiment of the invention two mobile management network elements;
Fig. 3 (c) is a kind of structural representation of the embodiment of the invention two mobile management network elements;
Fig. 4 spans into the flow chart of the method for network element switching for the embodiment of the invention three terminals;
Fig. 5 notifies the flow chart of described terminal ISR deexcitation for adopting release command by second access network element;
Fig. 6 is the structural representation of the embodiment of the invention six terminal equipments.
Embodiment
The embodiment of the invention provides terminal to span into method and mobile management network element that network element switches, and the ISR mechanism that is used to avoid in terminal is being striden the problem that can't communicate by letter behind the mobile management network element with the not corresponding terminal that causes of the ISR mechanism of network side.
Below terminal provided by the invention being spanned into method and the mobile management network element that network element switches is described in detail.
Embodiment one, and a kind of terminal spans into the method that network element switches, and flow chart comprises as shown in Figure 2:
A1, terminal switches to second access network element from first access network element;
Be understandable that in the present embodiment, described terminal can adopt the existing conventional mode to realize from the process that first access network element switches to second access network element.
Because different access network elements has different overlay areas, when terminal when the overlay area of an access network element switches to the overlay area of another network element, need carry out the switching of access network element, to guarantee the regular traffic communication of terminal after switching.
A2 judges whether this switching has caused gateway whether to change; If then continue steps A 3; If not, then finish.
A3 notifies described terminal to close the ISR pattern.
In the embodiment of the invention, notifying described terminal to close the ISR pattern can be in the following ways:
Mode one, the described process of notifying described terminal to close the ISR pattern comprises:
Mobile management network element sends ISR deexcitation request to described terminal;
After described terminal is closed this ISR pattern, return the ISR deexcitation and accept message to described mobile management network element.
The manner belongs to unconditional advice method, realizes fairly simple.
Mode two, the described process of notifying described terminal to close the ISR pattern comprises:
After described switching is finished, if mobile management network element is received the location area updating request that terminal sends in the duration that presets; Then to described terminal home position update request response message, this position is upgraded response message and is indicated described terminal ISR deexcitation.If mobile management network element is not received the location area updating request that terminal sends in the duration that presets; Then send ISR deexcitation request to described terminal; Described terminal is returned the ISR deexcitation and is accepted message to mobile management network element.
If when the terminal current position information that second access network element reports is not included in the location information of terminals tabulation, then terminal is after switching is finished, can send the location area updating request to mobile management network element, and mobile management network element then can carry the sign of indicating terminal ISR deexcitation by the location area updating response message after receiving the location area updating message that terminal sends.Terminal is received this location area updating response message, then local ISR pattern can be closed.So, the manner, by timer being set at mobile management network element, in timer time range regularly,, just directly send ISR deexcitation request if do not receive the location area updating message of terminal, if received the location area updating message of terminal, then additionally do not send and go ISR to activate request, directly close the ISR pattern, can save space interface signaling by lane place response message notice terminal.
Mode three, the described process of notifying described terminal to close the ISR pattern comprises:
Be understandable that described mobile management network element and terminal are respectively preserved a location information of terminals tabulation.After described switching was finished, described mobile management network element was judged described terminal current position information whether in the described location information of terminals tabulation that described mobile management network element is preserved.If then mobile management network element sends ISR deexcitation request to described terminal; Described terminal is returned the ISR deexcitation and is accepted message to mobile management network element.If not, then described mobile management network element waits for that described terminal sends position updating request; After receiving the location area updating request that terminal sends; To described terminal home position update request response message, this position is upgraded response message and is indicated described terminal ISR deexcitation.Be understandable that terminal comprises from first access network element switches to the process of second access network element:
Described second access network element is to mobile management network element sendaisle conversion request; Described passage conversion request comprises: described location information of terminals.Therefore, described mobile management network element can obtain described location information of terminals.
Mode four, the described process of notifying described terminal to close the ISR pattern comprises:
After described switching was finished, described second access network element sent the request of release to described mobile management network element;
After changing, described mobile management network element upgrades bearing resource to the gateway request; And after the response of receiving described gateway, send release command to described second access network element; Described release command comprises the cell that is used to indicate described terminal ISR deexcitation;
Described second access network element sends RRC to described terminal and discharges connection request; Described RRC discharges the cell that connection request comprises the described terminal ISR deexcitation of described indication;
Described terminal receives that described RRC discharges connection message; Close local ISR pattern, and transfer Idle state to.
In the embodiment of the invention one, terminal switches to second access network element from first access network element; If whether this switching has caused gateway to change; Then notify described terminal to close the ISR pattern.The ISR mechanism that can avoid in terminal is being striden the problem that can't communicate by letter behind the mobile management network element with the not corresponding terminal that causes of the ISR mechanism of network side, after the ISR mechanism of end side is closed, after terminal is striden the switching of mobility network element, can adhere to again, realize proper communication.
And, in the embodiment of the invention, 4 kinds of modes are provided to notifying described terminal to close the ISR pattern, can freely select according to different applied environments, be understandable that, notify described terminal to close ISR pattern opportunity of taking and the message of taking and to take other multiple modes, be not construed as limiting the invention.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises the steps: when carrying out
Terminal switches to second access network element from first access network element;
If whether this switching has caused gateway to change; Then notify described terminal to close the ISR pattern.
The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
Embodiment two, a kind of mobile management network element 300, and structural representation comprises shown in Fig. 3 (a): judging unit 310 and ISR close notification unit 320;
Judging unit 310 after being used for terminal and switching to second access network element from first access network element, judges whether this switching has caused gateway whether to change;
ISR closes notification unit 320, is used for when described switching causes gateway to change, and notifies described terminal to close the ISR pattern.
Shown in Fig. 3 (b), in the present embodiment, described ISR closes notification unit and can comprise: message sending unit 321 and timer 322;
Described message sending unit 321 is used to judge whether mobile management network element receives the location area updating request that terminal sends before timer expiry; Notify described terminal ISR deexcitation if receive then by the location area updating request response;
If do not receive, then send ISR deexcitation request terminal ISR deexcitation simultaneously to described terminal.
Described timer 322 is used to be provided with and waits for that terminal sends the time of location area updating request.
Shown in Fig. 3 (c), in the present embodiment, described ISR closes notification unit and can comprise: positional information judging unit 323 and message sending unit 324;
Positional information judging unit 323 is used for after described switching is finished, and judges that described terminal current position information is whether in the described location information of terminals tabulation that described mobile management network element is preserved;
Message sending unit 324, being used in described positional information judging unit 323 judged results is that described terminal current position information is when the location information of terminals of mobile management network element preservation is tabulated, to described terminal transmission ISR deexcitation request notice terminal ISR deexcitation; In described positional information judging unit 323 judged results is that described terminal current position information is not in the location information of terminals tabulation that mobile management network element is preserved the time, wait for the request of terminal to report location area updating, and by notifying described terminal ISR deexcitation to described terminal home position update request response message.
Shown in above-mentioned Fig. 3 (b) and Fig. 3 (c), the embodiment of the invention is closed notification unit notice terminal to described ISR and is closed the mode of ISR pattern and carried out describing respectively, be understandable that ISR closes notification unit and can also be transformed into by connected state in terminal and adopt release command to notify described terminal ISR deexcitation by described second access network element in the dispose procedure of Idle state.
Below in conjunction with concrete application scenarios, technical solution of the present invention is described in detail.
Embodiment three, and a kind of terminal spans into the method that network element switches, and signaling process comprises as shown in Figure 4:
401, target side access network element sendaisle conversion request is given mobile management network element, and notice mobile management network element UE is at the access network element of target side; Mobile management network element decision Serving GW switches.
402, mobile management network element sends and creates the Serving GW of carrying request to target side, and bearing resource is set up in request.
The Serving GW of 403a, target side sends more new bearer request to PDN GW.
403b, PDN GW return new bearer more and respond Serving GW to target side.
404, the Serving GW of target side returns and creates the carrying response to mobile management network element.Downlink data channel is got through.
405, mobile management network element sendaisle conversion request acknowledge message is given the target side access network element.The upstream data passage is got through.
406, target side access network element transmission release message related to resources is gone into network element to former side joint.Notify former side joint to go into network element and discharge resource.
407a, mobile management network element send the deleting bearing request to former side Serving GW, delete the bearing resource about this UE of former side Serving GW.
407b, former side Serving GW return the deleting bearing response message and give mobile management network element, and indication discharges about this UE bearing resource.
408a, mobile management network element send the deexcitation request to described terminal ISR;
408b, described terminal are returned the response message that the ISR deexcitation is accepted to described mobile management network element.
In the present embodiment, on the basis of prior art flow process, increase by two NAS signalings:
ISR deexcitation request among the 408a and the ISR deexcitation acceptance response among the 408b.
After step 407b, the mobile management network element of network side directly sends the 408a step to UE: ISR deexcitation request.After UE receives this message, carry out the ISR deexcitation, after finishing, UE returns to the network side mobile management network element 408b step then: the ISR deexcitation is accepted.
Above-mentioned schematic flow sheet is applicable to that promptly the EUTRAN network also is applicable to the GEUTRAN/UTRAN network, and when this flow process was applicable to different networks, the individual message title is difference to some extent, but does not influence its mutual sequential and effect.Wherein:
When the EUTRAN network, source access network element and target access network unit are eNodeB, and mobile management network element is MME.
When the GEUTRAN network, source access network element and target access network unit are BSS, and mobile management network element is SGSN.
When the UTRAN network, source access network element and target access network unit are RNC, and mobile management network element is SGSN.
Be understandable that, because switching has taken place in access network element, may cause the tracking area at the present place of UE or route district not in the tabulation in the tracking area of UE inside or route district, after switching was finished, UE is initiating updating of tracking area or Routing Area Update flow process initiatively like this.In this case, the mobile management network element of network side can be accepted message or route district at tracing section updating and follows the tracks of and accept notice UE ISR deexcitation in the message.
After step 407b, switching has taken place in access network element, but the tracking area at the present place of UE or route district also within the tabulation in the tracking area of UE inside or route district, Idle state UE is initiatively initiating updating of tracking area or Routing Area Update flow process just.In this case, after switching was finished, the mobile management network element of network side need send the 408a step to UE: ISR deexcitation request.After UE receives this message, carry out the ISR deexcitation, after finishing, return to the network side mobile management network element 408b step then: the ISR deexcitation is accepted.Concrete solution: can one timer be set in network side mobile management network element inside, after the step 407b, timer starts, if before timer is not overtime, the mobile management network element of network side has received tracing section updating request or the Routing Area Update request that UE sends, so the mobile management network element of network side this timer that will reset.And the mobile management network element of network side is accepted message or Routing Area Update at tracing section updating and is accepted notice UE ISR mechanism deexcitation in the message.If timer expiry, the mobile management network element of network side need send the 408a step to UE so: ISR deexcitation request.After UE receives this message, carry out the ISR deexcitation, after finishing, UE returns to the network side mobile management network element 408b step then: the ISR deexcitation is accepted.
Be understandable that, in the embodiment of the invention, can also do not adopt above-mentioned timer scheme, reach the effect of same saving signaling, that is:
The mobile management network element of network side judges that by the current position information of the terminal that the target side access network element reports whether UE is at present in its route district or inside the tracking area tabulation.If the present positional information of UE is or not its route district or tracking area tabulation the inside, initiatively initiating updating of tracking area or Routing Area Update flow process of UE so.In this case, the mobile management network element of network side can be accepted message or route district at tracing section updating and follows the tracks of and accept notice UE ISR deexcitation in the message.。If UE is also in its route district or inside the tracking area tabulation, the mobile management network element of network side need send the 8a step to UE: ISR deexcitation request.After UE receives this message, carry out the ISR deexcitation, after finishing, return to the network side mobile management network element 8b step then: the ISR deexcitation is accepted.
Be understandable that in step 401, the mobile management network element that passage conversion request message is given network side can be sent out by target access network unit, in this message, the target side access network element can report the positional information of UE the mobile management network element of network side.
Mode for the deexcitation of mobile management network element notice terminal can also take other modes to realize, for example: be transformed into by connected state in terminal and adopt release command to notify described terminal ISR deexcitation in the dispose procedure of Idle state by described second access network element, signaling process comprises as shown in Figure 5:
501, the target side access network element sends S1 release request message to mobile management network element.
502, mobile management network element sends and upgrades bearing request message to Serving GW.
503, Serving GW returns the bearer update response message and gives mobile management network element.
504, mobile management network element sends the S1 release command message to the target side access network element.In this message, can increase cell indication ISR deexcitation.Concrete settling mode can be: increase cell in this message: ISR deactive.When this cell value was 1, this cell was effective, and when this cell value was 0, this cell was invalid.
505, the target side access network element sends to UE and discharges the message that RRC connects.The access network element of target side is when receiving for the 4th step message the time, and to the newly-increased cell of the inside: ISR deactive does not deal with, and this cell is included in the 5th message, directly sends to UE.
506, UE sends out and discharges RRC connection acknowledge message to the target side access network element.After UE received the 5th message, judge newly-increased cell in this message: whether ISR deactive was effective.If effectively, UE is with deexcitation ISR mechanism so, if invalid, UE will not do any processing.Concrete processing mode: in this message, increase cell: ISR deactive Ack.If the 5th ISR deactive cell is effective in the message, UE deexcitation ISR mechanism so, and will increase cell newly: ISR deactive Ack is changed to effectively.If the 5th ISR deactive cell is invalid in the message, so newly-increased cell: it is invalid that ISR deactive Ack is changed to.When this cell value was 1, this cell was effective, and when this cell value was 0, this cell was invalid.
507, target side access network element transmission S1 discharges and finishes to mobile management network element.The access network element of target side is when receiving for the 6th step message the time, and to the newly-increased cell of the inside: ISR deactive Ack does not deal with, and this cell is included in the 7th message, directly sends to mobile management network element.
Embodiment four, a kind of terminal equipment 800, and structural representation comprises as shown in Figure 8: receiving element 810, ISR closing unit 820 and feedback unit 830;
Receiving element 810 is used to receive the ISR deexcitation request of network side;
Be understandable that, in the embodiment of the invention, increased ISR deexcitation request by agreement is expanded, ISR deexcitation request can be used for network side notice terminal and close the ISR pattern.
More than terminal provided by the present invention spanned into method and the mobile management network element that network element switches be described in detail, wherein:
In the embodiment of the invention, terminal switches to second access network element from first access network element; If whether this switching has caused gateway to change; Then notify described terminal to close the ISR pattern.The ISR mechanism that can avoid in terminal is being striden the problem that can't communicate by letter behind the mobile management network element with the not corresponding terminal that causes of the ISR mechanism of network side, after the ISR mechanism of end side is closed, after terminal is striden the switching of mobility network element, can adhere to again, realize proper communication.
In the embodiment of the invention, described network side notice terminal is closed the mode of ISR pattern, 4 kinds of modes are provided, be understandable that several modes in back can further be saved space interface signaling.
For one of ordinary skill in the art, according to the thought of the embodiment of the invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (12)
1, a kind of terminal spans into the method that network element switches, and it is characterized in that, comprising:
If the switching of terminal from first access network element to second access network element caused gateway to change, then notify described terminal to close the ISR pattern.
2, the method for claim 1 is characterized in that, the described process of notifying described terminal to close the ISR pattern comprises:
Mobile management network element sends ISR deexcitation request to described terminal;
After described terminal is closed this ISR pattern, return the ISR deexcitation and accept message to described mobile management network element.
3, the method for claim 1 is characterized in that, the described process of notifying described terminal to close the ISR pattern comprises:
After described switching is finished, if mobile management network element is received the location area updating request that terminal sends in the duration that presets; Then to described terminal home position update request response message, this position is upgraded response message and is indicated described terminal ISR deexcitation.
4, method as claimed in claim 3 is characterized in that, if mobile management network element is not received the location area updating request that terminal sends in the duration that presets, then sends ISR deexcitation request to described terminal; Described terminal is returned the ISR deexcitation and is accepted message to mobile management network element.
5, the method for claim 1 is characterized in that, terminal comprises from first access network element switches to the process of second access network element:
Described second access network element is to mobile management network element sendaisle conversion request; Described passage conversion request comprises: the current position information of described terminal;
The described process of notifying described terminal to close the ISR pattern comprises:
After described switching was finished, described mobile management network element judged that described terminal current position information is whether in the described location information of terminals tabulation that described mobile management network element is preserved;
If then mobile management network element sends to described terminal and goes ISR to activate request;
Described terminal is returned the ISR deexcitation and is accepted message to mobile management network element.
6, the method for claim 1 is characterized in that, the described process of notifying described terminal to close the ISR pattern comprises:
After described switching was finished, described second access network element sent the request of release to described mobile management network element;
Bearing resource is upgraded in the gateway request of described mobile management network element after changing; And after the response of receiving described gateway, send release command to described second access network element; Described release command comprises the cell that is used to indicate described terminal ISR deexcitation;
Described second access network element sends RRC to described terminal and discharges connection request; Described RRC discharges the cell that connection request comprises the described terminal ISR deexcitation of described indication;
Described terminal receives that described RRC discharges connection message; Close local ISR pattern, and transfer Idle state to.
7, a kind of mobile management network element is characterized in that, comprising: judging unit and ISR close notification unit;
Judging unit after being used for terminal and switching to second access network element from first access network element, judges whether this switching has caused gateway whether to change;
ISR closes notification unit, is used for when described switching causes gateway to change, and notifies described terminal to close the ISR pattern.
8, mobile management network element as claimed in claim 7 is characterized in that, described ISR closes notification unit and comprises: message sending unit and timer;
Described message sending unit is used to judge whether mobile management network element receives the location area updating request that terminal sends before timer expiry; Notify described terminal ISR deexcitation if receive then by the location area updating request response;
If do not receive, then send ISR deexcitation request terminal ISR deexcitation simultaneously to described terminal.
Described timer is used to be provided with and waits for that terminal sends the time of location area updating request.
9, mobile management network element as claimed in claim 8 is characterized in that, described ISR closes notification unit and comprises: positional information judging unit and message sending unit;
The positional information judging unit is used for after described switching is finished, and judges that described terminal current position information is whether in the described location information of terminals tabulation that described mobile management network element is preserved;
Message sending unit, be used for when the location information of terminals that described positional information judgment unit judges result preserves at mobile management network element for described terminal current position information is tabulated, send to described terminal and go ISR to activate request notice terminal ISR deexcitation; In described positional information judgment unit judges result is that described terminal current position information is not in the location information of terminals tabulation that mobile management network element is preserved the time, wait for the request of terminal to report location area updating, and by notifying described terminal ISR deexcitation to described terminal home position update request response message.
10, mobile management network element as claimed in claim 8 is characterized in that, described ISR closes notification unit and is transformed into by connected state in terminal and adopts release command to notify described terminal ISR deexcitation by described second access network element in the dispose procedure of Idle state.
11, a kind of terminal equipment is characterized in that, comprising: receiving element and ISR closing unit;
Receiving element is used to receive the ISR deexcitation request of network side;
The ISR closing unit is used for closing local ISR pattern according to described request.
12, terminal equipment as claimed in claim 11 is characterized in that, also comprises:
Feedback unit is used for returning the response that the ISR pattern is closed success to network side after described ISR closing unit is closed the ISR pattern.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810006078A CN101500223B (en) | 2008-02-01 | 2008-02-01 | Method for switching terminal across network elements and mobility management network element |
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| CN200810006078A CN101500223B (en) | 2008-02-01 | 2008-02-01 | Method for switching terminal across network elements and mobility management network element |
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| CN101500223A true CN101500223A (en) | 2009-08-05 |
| CN101500223B CN101500223B (en) | 2012-08-29 |
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