CN101873567A

CN101873567A - De-adherence method, system and device for mobile terminal

Info

Publication number: CN101873567A
Application number: CN200910135560A
Authority: CN
Inventors: 王睿
Original assignee: Huawei Device Co Ltd
Current assignee: Huawei Device Co Ltd
Priority date: 2009-04-27
Filing date: 2009-04-27
Publication date: 2010-10-27
Anticipated expiration: 2029-04-27
Also published as: CN101873567B

Abstract

The embodiment of the invention provides a de-adherence method for a mobile terminal which has left the original network area. The method comprises the following steps of: receiving a de-adherence request message sent by the mobile terminal, wherein the de-adherence request message carries a position identifier and a user temporary identifier which are stored in the mobile terminal; sending a de-adherence indicative message to an original mobility management device indicated by the position identifier, wherein the de-adherence indicative message carries the user temporary identifier, so that the original mobility management device carries out de-adherence operation according to the user temporary identifier; and receiving a de-adherence indicative response message which is sent by the original mobility management device after carrying out de-adherence operation. The embodiment of the invention provides a de-adherence system for the mobile terminal, which comprises a new mobility management device and the original mobility management device. The de-adherence method, the de-adherence system and the de-adherence device for the mobile terminal which are provided by the embodiment of the invention have the advantages of saving bandwidth and improving efficiency without updating tracking regions before carrying out de-adherence process again on the mobile terminal.

Description

A kind of mthods, systems and devices of portable terminal attachment removal

Technical field

The present invention relates to moving communicating field, particularly a kind of mthods, systems and devices of portable terminal attachment removal.

Background technology

Development along with radio communication, at UMTS (Universal Mobile TelecommunicationsSystem, universal mobile telecommunications system) and evolvement network EPS (Evolved Packet System, evolved packet system) in, network is in order to know the position of portable terminal, require portable terminal must arrive in the network when start and register, this operation is called adheres to; Portable terminal is attached in the network, network can write down the residing zone of current mobile terminal, this zone is the set of a plurality of sub-districts, wherein, at GSM (Global Systemfor Mobile communications, global system for mobile communications), be called LA (Location Area under the UMTS lattice network territory, the lane place), at GPRS (General Packet Radio Service, GPRS), be called RA (Routing Area under the UMTS packet domain, the route district), under the EPS network, be called TA (TrackingArea, tracking area).

When this portable terminal of other mobile terminal seeking, network carries out paging in the zone of record, to set up and being connected of this portable terminal; When the portable terminal deviated from network, portable terminal also needs to nullify to network, and this operation is called attachment removal, and network knows that portable terminal has left network, then when this portable terminal of other mobile terminal seeking, network can need not paging and directly reply this portable terminal and left network.

When the residing tracing area of portable terminal changes, or to the time that periodically updates, portable terminal sends the tracking area update request message; The new MME of network (Mobile Management Entity, Mobility Management Entity) from former MME, obtains user's context, for this user sets up new default bearer, and with user's position to HSS (Home Subscriber Server, home subscriber server) carries out record in, simultaneously former MME deletion user's relevant information, and be that portable terminal distribution temporary identity identifies, issue to adhere to and accept message, also comprise tracking zone list in the message, when mobile, need not to change the MME that service is provided between the tracing area of expression portable terminal in this tabulation, promptly need not to initiate tracking area update; Portable terminal is replied tracking area update and is finished message.

When the portable terminal deviated from network, send detach request message; After network is received message, deletion user's default bearer, and user's mobility management states is set to unregistered.If portable terminal is not the attachment removal because shut down, then network returns attachment removal to portable terminal and finishes message, and portable terminal is after receiving this message, and the local user mobility controlled state of preserving of portable terminal is set to unregistered, and the attachment removal flow process is finished.

Before finishing the attachment removal flow process, portable terminal left original tracking zone list, the network entity MME that portable terminal connects does not provide this GUTI (Globally Unique Temporary Identifier, whole world unique temporary identity) entity, detach request that just can't process user; Perhaps former MME can't find this portable terminal, and can't notify portable terminal attachment removal flow process to finish.

At present, at this situation, portable terminal is before initiating the attachment removal flow process, and the user needs advanced line trace area update flow process, and the user is resident under new tracing area, and then initiates normal attachment removal flow process.

In realizing process of the present invention, the inventor finds that above-mentioned prior art has following shortcoming at least:

Portable terminal need be finished tracking area update earlier, again carry out the attachment removal operation again, such mode causes that the mutual of a large amount of signalings arranged on eating dishes without rice or wine, have the problem that repeats to send on radio channel, and user's deviated from network, there is no need to carry out again the renewal of tracing area.

Summary of the invention

Before finishing the attachment removal flow process, portable terminal left former network area, in order to realize that portable terminal carries out not needing to finish earlier tracking area update before the attachment removal flow process again, the embodiment of the invention provides a kind of mthods, systems and devices of portable terminal attachment removal, and described technical scheme is as follows:

The embodiment of the invention provides a kind of method of portable terminal attachment removal, and wherein, portable terminal has left former network area, and this method comprises:

The detach request message that mobile terminal receive sends is carried station location marker and user's temporary mark that described portable terminal is preserved in the described detach request message;

Former mobility management apparatus to described station location marker indication sends the attachment removal Indication message, carries described user's temporary mark in the described attachment removal Indication message, so that described former management equipment is carried out the attachment removal operation according to described user's temporary mark;

Receive described former mobility management apparatus and carrying out the attachment removal indication response message that attachment removal operation back sends.

The embodiment of the invention also provides a kind of method of portable terminal attachment removal, and described portable terminal has left former network area, and described method comprises:

The area update request message that mobile terminal receive sends carries station location marker and user's temporary mark that described portable terminal is preserved in the described area update request message;

According to described area update request message, send the renewal location request message to home subscriber server HSS, carry the IMSI and the current location sign of described user's temporary mark, described user's temporary mark correspondence in the described renewal location request message, so that described HSS inquires about corresponding former mobility management apparatus according to described IMSI, and indicate described former mobility management apparatus deletion and described user's temporary mark corresponding movable management context; And behind described former mobility management apparatus deletion and described user's temporary mark corresponding movable management context, make described HSS that user's station location marker is updated to described current location sign;

Receive described HSS and described user's station location marker is updated to the renewal position response message that returns after the described current location sign;

Set up the user's of described IMSI correspondence MM Context according to described renewal position response message, the user's of described IMSI correspondence mobility management states is set to unregistered, and distributes new user's temporary mark for the user of described IMSI correspondence;

Message is accepted in renewal to described portable terminal sending zone, and described area update accepts to carry in the message described current location sign and described new user's temporary mark.

Correspondingly, the embodiment of the invention provides a kind of system of portable terminal attachment removal, and described portable terminal has left former network area, and described system comprises: new mobility management apparatus and former mobility management apparatus, wherein,

Described new mobility management apparatus is used for the detach request message that mobile terminal receive sends, and carries station location marker and user's temporary mark that described portable terminal is preserved in the described detach request message; Former mobility management apparatus to described station location marker correspondence sends the attachment removal Indication message, carries described user's temporary mark in the described attachment removal Indication message; Receive the attachment removal indication response message that described former mobility management apparatus sends;

Described former mobility management apparatus is used to receive the attachment removal Indication message that described new mobility management apparatus sends, and carries out the attachment removal operation according to the described user's temporary mark in the described attachment removal Indication message; Send attachment removal indication response message to described new mobility management apparatus.

The embodiment of the invention also provides a kind of system of portable terminal attachment removal, and described portable terminal has left former network area, and described system comprises: new mobility management apparatus, home subscriber server and former mobility management apparatus, wherein,

Described new mobility management apparatus is used for the area update request message that mobile terminal receive sends, and carries station location marker and user's temporary mark that described portable terminal is preserved in the described area update request message; According to described area update request message, send the renewal location request message to home subscriber server, carry the IMSI and the current location sign of described user's temporary mark, described user's temporary mark correspondence in the described renewal location request message; Receive and upgrade the position response message; Set up the user's of described IMSI correspondence MM Context according to described renewal position response message, the user's of described IMSI correspondence mobility management states is set to unregistered, and distributes new user's temporary mark for the user of described IMSI correspondence; Message is accepted in renewal to described portable terminal sending zone, described area update accepts to carry in the message described current location sign and described new user's temporary mark, make described portable terminal that user's temporary mark of preserving is updated to new user's temporary mark, and user's mobility management states is set to unregistered;

Home subscriber server is used for receiving and upgrades location request message, according to the corresponding former mobility management apparatus of the inquiry of the IMSI in the described renewal location request message, and to the request of described former mobility management apparatus transmission canceling position; Comprise described IMSI in the described canceling position request, receive the canceling position response that described former mobility management apparatus sends, according to described canceling position response request described user's station location marker is updated to described current location sign, sends described renewal position response message to described new mobility management apparatus;

Described former mobility management apparatus is used to receive described canceling position request; According to the user's temporary mark that carries in the described canceling position request, deletion and described user's temporary mark corresponding movable management context; Send described canceling position response to described home subscriber server.

The embodiment of the invention provides a kind of device of portable terminal attachment removal, and described portable terminal has left former network area, and described device comprises:

First receiver module is used for the detach request message that mobile terminal receive sends, and carries station location marker and user's temporary mark that described portable terminal is preserved in the described detach request message;

Sending module, be used for sending the attachment removal Indication message to the former mobility management apparatus of described station location marker indication, carry described user's temporary mark in the described attachment removal Indication message, so that described former management equipment is carried out the attachment removal operation according to described user's temporary mark;

Second receiver module is used to receive described former mobility management apparatus and is carrying out the attachment removal indication response message that attachment removal operation back sends.

The embodiment of the invention also provides a kind of device of portable terminal attachment removal, and described portable terminal has left former network area, and described device comprises:

The 3rd receiver module is used for the area update request message that mobile terminal receive sends, and carries station location marker and user's temporary mark that described portable terminal is preserved in the described area update request message;

Upgrade position module, be used for according to described area update request message, send the renewal location request message to home subscriber server HSS, carry the IMSI and the current location sign of described user's temporary mark, described user's temporary mark correspondence in the described renewal location request message, so that described HSS inquires about corresponding former mobility management apparatus according to described IMSI, and indicate described former mobility management apparatus deletion and described user's temporary mark corresponding movable management context; And behind described former mobility management apparatus deletion and described user's temporary mark corresponding movable management context, make described HSS that user's station location marker is updated to described current location sign;

The 4th receiver module is used to receive described HSS described user's station location marker is updated to the renewal position response message that returns after the described current location sign;

Processing module, be used for setting up the user's of described IMSI correspondence MM Context according to described renewal position response message, the user's of described IMSI correspondence mobility management states is set to unregistered, and distributes new user's temporary mark for the user of described IMSI correspondence;

The area update module is used for upgrading to described portable terminal sending zone and accepts message, and described area update accepts to carry in the message described current location sign and described new user's temporary mark.

The scheme that provides by the embodiment of the invention, after before portable terminal is finished the attachment removal flow process, having left former network area and arriving new network area, directly send detach request by new network area, finish the attachment removal flow process by new network area and former network area, make that portable terminal carries out not needing to finish earlier tracking area update before the attachment removal flow process again, thereby avoid on eating dishes without rice or wine, having the mutual of a large amount of signalings and on radio channel, have the problem that repeats to send, save bandwidth, improved efficient.

Description of drawings

Fig. 1 is the method flow schematic diagram that the embodiment of the invention 1 provides;

Fig. 2 is the method flow schematic diagram that the embodiment of the invention 2 provides;

Fig. 3 is the mutual schematic diagram of the attachment removal flow process that provides of the embodiment of the invention 2;

Fig. 4 is the method flow schematic diagram that the embodiment of the invention 3 provides;

Fig. 5 is the method flow schematic diagram that the embodiment of the invention 4 provides;

Fig. 6 is the method flow schematic diagram that the embodiment of the invention 5 provides;

Fig. 7 is the mutual schematic diagram of tracking area update that the embodiment of the invention 5 provides;

Fig. 8 is the system configuration schematic diagram that the embodiment of the invention 6 provides;

Fig. 9 is the system configuration schematic diagram that the embodiment of the invention 7 provides;

Figure 10 is the apparatus structure schematic diagram that the embodiment of the invention 8 provides;

Figure 11 is the apparatus structure schematic diagram that the embodiment of the invention 9 provides.

Embodiment

For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.

Embodiment 1

The embodiment of the invention provides a kind of method of portable terminal attachment removal, and this portable terminal has left former network area, and referring to Fig. 1, this method comprises:

101: the detach request message that new mobility management apparatus mobile terminal receive sends, carry station location marker and user's temporary mark that portable terminal is preserved in the detach request message;

102: new mobility management apparatus sends the attachment removal Indication message to the former mobility management apparatus of station location marker indication, carries user's temporary mark in the attachment removal Indication message, so that former management equipment is carried out the attachment removal operation according to user's temporary mark;

Wherein, new mobility management apparatus sends the attachment removal Indication message to the former mobility management apparatus of station location marker indication, specifically comprises so that former management equipment is carried out the attachment removal operation according to user's temporary mark:

New mobility management apparatus is determined former mobility management apparatus according to station location marker;

New mobility management apparatus sends the attachment removal Indication message that comprises user's temporary mark to former mobility management apparatus, so that former mobility management apparatus, judges whether the user's of user's temporary mark correspondence mobility management states is registration according to user's temporary mark; If be unregistered, then directly send attachment removal indication response message; Otherwise, initiate the deleting bearing operation, and user's mobility management states is set to unregisteredly, send attachment removal indication response message.

Wherein, new mobility management apparatus also comprises after former mobility management apparatus sends the attachment removal Indication message:

New mobility management apparatus starts timer;

If in the scheduled time of timer, receive attachment removal indication response message, then timeing closing device that former mobility management apparatus sends;

When if the scheduled time of timer meets or exceeds, do not receive the attachment removal indication response message that former mobility management apparatus returns, then send the attachment removal Indication message once more, and reset and start timer to former mobility management apparatus;

If receive attachment removal indication error messages, then direct timeing closing device.

103: new mobility management apparatus receives former mobility management apparatus and is carrying out the attachment removal indication response message that attachment removal operation back sends.

Wherein, receive the attachment removal indication response message that former mobility management apparatus sends after, send attachment removal to portable terminal and accept message; Or,

After the detach request message that mobile terminal receive sends, directly send attachment removal and accept message to portable terminal.

Wherein, when portable terminal when an evolved packet system EPS network area moves to another EPS network area, then former mobility management apparatus is specially former Mobility Management Entity MME, and station location marker and temporary identity sign are merged into global unique temporary identity GUTI;

When portable terminal when general packet radio service gprs core network zone moves to the EPS network area, then former mobility management apparatus is specially the GPRS Support Node SGSN of former service, and the temporary identity sign is specially packet TMSI P-TMSI and station location marker is specially Tracking Area Identifier RAI.

The embodiment of the invention also provides a kind of method of portable terminal attachment removal, and portable terminal has left former network area, and this method comprises:

The area update request message that mobile terminal receive sends carries station location marker and user's temporary mark that portable terminal is preserved in the area update request message;

According to the area update request message, send the renewal location request message to home subscriber server HSS, upgrade IMSI (the internationalmobile subscriber identity that carries user's temporary mark, user's temporary mark correspondence in the location request message, international mobile subscriber identity) and current location sign, so that HSS inquires about corresponding former mobility management apparatus according to IMSI, and indicate former mobility management apparatus deletion and user's temporary mark corresponding movable management context; And behind former mobility management apparatus deletion and user's temporary mark corresponding movable management context, make HSS that user's station location marker is updated to the current location sign;

Reception HSS is updated to the renewal position response message that returns after the current location sign with user's station location marker;

Set up the user's of IMSI correspondence MM Context according to upgrading the position response message, the user's of IMSI correspondence mobility management states is set to unregistered, and distributes new user's temporary mark for the user of IMSI correspondence;

Message is accepted in renewal to the portable terminal sending zone, and area update accepts to carry in the message current location sign and new user's temporary mark.

Wherein, new mobility management apparatus, also comprised before home subscriber server HSS sends the renewal location request message according to the area update request message:

According to the station location marker that carries in the area update request message, determine former mobility management apparatus;

Send context request message to former mobility management apparatus, carry user's temporary mark in the context request message;

The inquiry according to user's temporary mark that receives former mobility management apparatus transmission obtains user's MM Context, and according to the authentication information in user's the MM Context user is carried out authentication;

If the authentication success is then carried out to home subscriber server HSS and is sent the renewal location request message.

The method that the embodiment of the invention provides, after before portable terminal is finished the attachment removal flow process, having left former network area and arriving new network area, directly send detach request by new mobility management apparatus, finish the attachment removal flow process by new mobility management apparatus and former mobility management apparatus, make that portable terminal carries out not needing to finish earlier tracking area update before the attachment removal flow process again, thereby avoid on eating dishes without rice or wine, having the mutual of a large amount of signalings and on radio channel, have the problem that repeats to send, save bandwidth, improved efficient.

Embodiment 2

Before finishing the attachment removal flow process, portable terminal left former network area, in order to realize that portable terminal carries out not needing to finish earlier tracking area update before the attachment removal flow process again, thereby avoid on eating dishes without rice or wine, having the mutual of a large amount of signalings and on radio channel, have the problem that repeats to send, the embodiment of the invention provides a kind of method of portable terminal attachment removal, the residing zone of portable terminal is an example with the tracking area TA under the EPS network in the embodiment of the invention, referring to Fig. 2, specific implementation thes contents are as follows:

201: portable terminal sends detach request message to new ME, carries GUTI in this detach request message.

Wherein, because portable terminal had left former network area and has arrived new network area before the attachment removal flow process of finishing with network, need former network area to go to finish the attachment removal flow process, this moment, portable terminal sent detach request message to new MME, and the GUTI that carries in this request message is that former network area is distributed to the user.

202: new MME receives detach request message, sends the attachment removal Indication message to the former MME of described GUTI indication, carries this GUTI in this attachment removal Indication message.

Wherein, after new MME receives detach request message, obtain the GUTI that carries in this detach request message, this GUTI is made up of 5 parts: MCC (Mobile Country Code, Mobile Country Code MCC), MNC (Mobile Network Code, Mobile Network Code), MMEGI (Mobile Management EntityGroup Identity, the Mobility Management Entity group id), MMEC (Mobile Management EntityCode, the Mobility Management Entity sign indicating number), M-TMSI (MME Temporary Mobile Subscriber Identity, the Temporary Mobile Subscriber Identity of Mobility Management Entity).

Wherein, MCC is a Mobile Country Code MCC, is used to identify the countries and regions at place; MNC is a Mobile Network Code, is used to identify certain mobile communications network; Two parameters of MCC and MNC are formed PLMN (Public LandMobile Network, public land mobile network) sign, mobile communications network of unique identification; MMEGI is the sign of MME group, and this MME group is made up of a plurality of MME; MMEC is the sign of a MME in the MME group; And M-TMSI is MME is unique Temporary Mobile Subscriber Identity that the user distributes.Therefore, the station location marker among the embodiment 1 can be these 4 parameters of MCC, MNC, MMEGI and MMEC, and they can be unique determine a MME, and Here it is distributes the MME of Temporary Mobile Subscriber Identity M-TMSI for the user.And the Temporary Mobile Subscriber Identity among the embodiment 1 can be M-TMSI.So GUTI comprises station location marker and user's temporary mark two parts.

New MME is according to the MCC among the GUTI, MNC, MMEGI and 4 parameters of MMEC, and unique definite MME finds that this MME is not the MME of self, and then this MME is the former MME of this GUTI sign; New MME sends the attachment removal Indication message to the former MME of GUTI sign, carries GUTI in this attachment removal Indication message.

203: former MME receives the attachment removal Indication message, searches user's resident in former MME MM Context according to the GUTI in the attachment removal Indication message, sends the deleting bearing request to Serving GW (Serving Gateway, gateway).

Wherein, after former MME receives the attachment removal Indication message, because the GUTI in this attachment removal Indication message is the GUTI that former MME distributes to the user, so preserve the user's of this GUTI correspondence MM Context among the former MME, former MME can find resident user's MM Context according to GUTI in the attachment removal Indication message; Wherein, comprise Serving GW and PDN GW (Packet Data Network Gateway that former network area is set up for the user in user's the MM Context, grouped data network gateway) the relevant bearer information TEID between (Tunnel Endpoint IDentifier, termination point of a tunnel sign); After former MME finds user's the MM Context of this GUTI correspondence, send the deleting bearing request, carry this TEID in this deleting bearing request to Serving GW.

In this step, if former MME has received the attachment removal Indication message, find that the user's of GUTI correspondence mobility management states is unregistered, represent that then this user finishes attachment removal at network side, the direct execution in step 206 of then former MME indicates new MME to finish user's attachment removal operation.

204:Serving GW receives the deleting bearing request that former MME sends, and the Serving GW of deletion TEID correspondence and the user's relevant bearer between PDN GW are returned the deleting bearing success response to former MME.

Wherein, Serving GW obtains the TEID that carries in the deleting bearing request after receiving the deleting bearing request of former MME transmission, deletes the Serving GW of this TEID correspondence and the user's relevant bearer between PDN GW, returns the deleting bearing success response to former MME.

205: former MME receives the deleting bearing success response that Serving GW returns, and user's mobility management states is set to unregistered.

Wherein, after the deleting bearing success response that former MME reception Serving GW returns, know the portable terminal relevant bearer of deleting between Serving GW and PDN GW, then and the mobility management states of portable terminal be set to unregistered (EMM-DEREGISTERED).

206: former MME sends attachment removal indication response message to new MME.

Wherein, former MME finishes by send attachment removal indication response message indication attachment removal to new MME.

207: new MME receives the attachment removal indication response message that former MME sends, and sends attachment removal to portable terminal and accepts message.

Wherein, after new MME receives the attachment removal indication response message that former MME sends, know that former MME attachment removal finishes, send attachment removal to portable terminal and accept message.

208: portable terminal receives attachment removal and accepts message, and the mobility management states of this locality is set to unregistered.

Wherein, portable terminal receives attachment removal accept message after, know that the attachment removal flow process finishes, then the mobility management states of this locality is set to unregistered.When portable terminal shutdown can't receive attachment removal when accepting message, need not execution in step 207-208 this moment.

In addition, GUTI described in the step 202 can comprise the information of former gprs system, in gprs system, SGSN (Serving GPRS Support Node, the GPRS Support Node of service) provides similar function with MME, it is designated P-TMSI (PacketTemporary Mobile Subscriber Identity for the temporary identity that portable terminal distributes, packet TMSI), this sign is that SGSN is used for portable terminal of unique identification, also has a RAI (Routing Area Identity in this system, Routing Area Identifier), be used to identify a Routing Area, its notion and TAI are similar, can determine a SGSN entity by this Tracking Area Identifier.Resident in GPRS network when portable terminal, and move to EPS network following time, the GUTI of mobile terminal reporting adds RAI by P-TMSI and forms; After new MME receives this GUTI, can find former SGSN equally, replace the step that former MME carries out follow-up 203-208, finish the attachment removal flow process of portable terminal.

Above-mentioned steps is after portable terminal leaves former network area and arrives new network area, finishes the flow process of attachment removal with former network area, referring to Fig. 3, and the interaction figure of the attachment removal flow process that provides for the embodiment of the invention:

1, portable terminal sends detach request message to new MME, carries GUTI in the message.

2, after new MME receives this message, analyze GUTI wherein, find former MME according to GUTI after, send the attachment removal Indication message to former MME, carry the GUTI that portable terminal sends in the message.

3, after former MME receives the attachment removal Indication message, find original MM Context the resident user of this MME according to GUTI; Former MME initiates the operation of deleting bearing.

4, the user's relevant bearer between Serving GW deletion Serving GW and PDN GW.

5, Serving GW has finished the deleting bearing response that the user is carried to former MME feedback, and former MME user's mobility management states is set to unregistered.

6, former MME finishes to new MME indication attachment removal by attachment removal indication response message.

7, new MME sends attachment removal to portable terminal and accepts message, and portable terminal receives that the mobility management states of this locality is set to unregistered after this message.

The method that the embodiment of the invention provides, after before portable terminal is finished the attachment removal flow process, having left former network area and arriving new network area, directly send detach request by the network under the new network area, finish the attachment removal flow process by new network area and former network area, make that portable terminal carries out not needing to finish earlier tracking area update before the attachment removal flow process again, thereby avoid on eating dishes without rice or wine, having the mutual of a large amount of signalings and on radio channel, have the problem that repeats to send, save bandwidth, improved efficient.

Embodiment 3

Before finishing the attachment removal flow process, portable terminal left former network area, in order to realize that portable terminal carries out not needing to finish earlier routing region updating before the attachment removal flow process again, thereby avoid on eating dishes without rice or wine, having the mutual of a large amount of signalings and on radio channel, have the problem that repeats to send, the embodiment of the invention provides a kind of method of portable terminal attachment removal, the residing zone of portable terminal is an example with the Routing Area RA under GPRS network in the embodiment of the invention, referring to Fig. 4, specific implementation thes contents are as follows:

301: portable terminal sends detach request message to new SGSN, carries Tracking Area Identifier RAI in this detach request message and the casual user identifies P-TMSI.

Wherein, because portable terminal had left former network area and has arrived new network area before the attachment removal flow process of finishing with network, need former network area to go to finish the attachment removal flow process, this moment, portable terminal sent detach request message to new SGSN, the P-TMSI that carries in this request message is that former network area is distributed to the user, and RAI identifies former network area.

302: new SGSN receives detach request message, sends the attachment removal Indication message to the former SGSN of this RAI sign, carries this P-TMSI and RAI in this attachment removal Indication message.

Wherein, after new SGSN receives detach request message, obtain the RAI that carries in this detach request message, SGSN of this RAI sign, Here it is, and former network area identifies the SGSN of P-TMSI for the user distributes the casual user.

New SGSN determines a SGSN according to RAI, finds that this SGSN is not the SGSN of self, and then this SGSN is the former SGSN of this RAI sign; New SGSN sends the attachment removal Indication message to former SGSN, carries P-TMSI and/or RAI in this attachment removal Indication message.

303: former SGSN receives the attachment removal Indication message, searches user's resident in former SGSN MM Context according to the P-TMSI in the attachment removal Indication message, sends the deleting bearing request to Serving GW or GGSN.

Wherein, after former SGSN receives the attachment removal Indication message, because the P-TMSI in this attachment removal Indication message is the P-TMSI that former SGSN distributes to the user, so preserve the user's of this P-TMSI correspondence MM Context among the former SGSN, former SGSN can find resident user's MM Context according to P-TMSI in the attachment removal Indication message; Wherein, comprise between Serving GW that former network area is set up for the user and PDN GW in user's the MM Context or the relevant bearer between SGSN and GGSN; After former SGSN finds user's the MM Context of this P-TMSI correspondence, send the deleting bearing request to Serving GW or GGSN, the request deletion has been the carrying of this user's foundation.

In this step, if former SGSN has received the attachment removal Indication message, the mobility management states of finding the user of P-TMSI correspondence is unregistered, represent that then this user finishes attachment removal at network side, the direct execution in step 306 of then former P-TMSI indicates new SGSN to finish user's attachment removal operation.

304: former SGSN is after the success of network deleting bearing, and user's mobility management states is set to unregistered.

Wherein, after former SGSN receives the deleting bearing success response that Serving GW or GGSN return, know that the portable terminal relevant bearer deletes, user's mobility management states is set to unregistered (EMM-DEREGISTERED).

305: former SGSN sends attachment removal indication response message to new SGSN.

Wherein, former SGSN finishes by send attachment removal indication response message indication attachment removal to new SGSN.

306: new SGSN receives the attachment removal indication response message that former SGSN sends, and sends attachment removal to portable terminal and accepts message.

Wherein, after new SGSN receives the attachment removal indication response message that former SGSN sends, know that former SGSN attachment removal finishes, send attachment removal to portable terminal and accept message.

307: portable terminal receives attachment removal and accepts message, and the mobility management states of this locality is set to unregistered.

Wherein, portable terminal receives attachment removal accept message after, know that the attachment removal flow process finishes, then the mobility management states of this locality is set to unregistered.

When portable terminal shutdown can't receive attachment removal when accepting message, need not execution in step 306-307 this moment.

If in step 302, that new SGSN finds the indication of RAI parameter is a MME, and then SGSN is mapped as a GUTI with RAI and P-TMSI, and identical subsequent operation among initiation and the embodiment 2.

The method that the embodiment of the invention provides, after before portable terminal is finished the attachment removal flow process, having left former network area and arriving new network area, directly send detach request by the network under the new network area, finish the attachment removal flow process by new network area and former network area, make that portable terminal carries out not needing to finish earlier area update before the attachment removal flow process again, thereby avoid on eating dishes without rice or wine, having the mutual of a large amount of signalings and on radio channel, have the problem that repeats to send, save bandwidth, improved efficient.

Embodiment 4

Before finishing the attachment removal flow process, portable terminal left former network area, in order to realize that portable terminal carries out not needing to finish earlier area update before the attachment removal flow process again, thereby avoid on eating dishes without rice or wine, having the mutual of a large amount of signalings and on radio channel, have the problem that repeats to send, the embodiment of the invention provides the method for another kind of portable terminal attachment removal, the residing zone of portable terminal is an example with the tracing area TA under the EPS network in the embodiment of the invention, referring to Fig. 5, specific implementation thes contents are as follows:

401: portable terminal sends detach request message to new MME, carries GUTI in this detach request message.

Wherein, because portable terminal had left former network area and has arrived new network area before the attachment removal flow process of finishing with former network area, need finish attachment removal flow process again with former network area, this moment, portable terminal sent detach request message to new MME, and the GUTI that carries in this request message is that former network area is distributed to the user.

402: new MME receives detach request message, according to the GUTI that carries in this detach request message, searches corresponding former MME, directly replys attachment removal to portable terminal and accepts message.

403: portable terminal receives attachment removal and accepts message, and the mobility management states of this locality is set to unregistered.

404: new MME preserves the GUTI in the detach request message after message is accepted in portable terminal answer attachment removal, therefrom analyze the information of the former MME of this GUTI correspondence, sends the attachment removal Indication message to former MME, starts a timer.

405: former MME finishes the operation of describing among the embodiment 2 step 203-206, returns attachment removal indication response message and gives new MME.

406: after new MME receives attachment removal indication response message, timeing closing device, deletion GUTI.

Wherein, if when timer is expired, new MME does not receive the attachment removal indication response message that former MME returns, and then new MME sends the attachment removal Indication message once more to former MME, and resets and start timer, continues to finish above-mentioned attachment removal flow process.

If new MME receives attachment removal indication error messages, this message can't be routed to former MME as new MME, then new MME directly deletes GUTI and timer.Wherein, the timer in the embodiment of the invention can also can be provided with by new MME as required flexibly for what set in advance.

In addition, after if former MME receives the attachment removal Indication message of new MME transmission, the mobility management states of finding the user of GUTI indication has entered unregistered state, represent that then this user finishes attachment removal at network side, then former MME directly returns attachment removal indication response message and gives new MME, indicates new MME to finish user's attachment removal operation.

Wherein, step 403 also can be in step 404-406 after any step.

The method that the embodiment of the invention provides, when portable terminal after former network area arrives new network area, new MME receives the detach request message that portable terminal sends, directly reply attachment removal and accept message to portable terminal, independently finish the attachment removal operation by network side, thereby avoid on eating dishes without rice or wine, having the mutual of a large amount of signalings and on radio channel, have the problem that repeats to send, saved bandwidth, improved efficient.

Embodiment 5

Before finishing the attachment removal flow process, portable terminal left former network area, in order to realize that portable terminal carries out not needing to finish earlier area update before the attachment removal flow process again, thereby avoid on eating dishes without rice or wine, having the mutual of a large amount of signalings and on radio channel, have the problem that repeats to send, the embodiment of the invention provides the method for another kind of portable terminal attachment removal, indication information by additional portable terminal attachment removal in the area update request message, when finishing area update, finish the attachment removal operation, wherein, area update comprises: tracking area update and routing region updating, corresponding EPS network of difference and GPRS network, the residing zone of portable terminal is the tracking area TA under the EPS network in the embodiment of the invention, with the tracking area update is that example describes, and referring to Fig. 6, specific implementation thes contents are as follows:

501: portable terminal sends the tracking area update request message to new MME, carries GUTI and attachment removal indication in this message.

Wherein, it is EPS updating type value to bit3 that original parameter EPS updating type in the tracking area update request message, this parameter are defined as bit1, and 3 bit are set to 100, can represent that current TAU (Tracking Area Update, tracking area update) requires to carry out attachment removal; The GUTI that also comprises the current preservation of portable terminal in this message, this GUTI are the GUTI that former MME distributes for the user.

502: the tracking area update request message that new MME mobile terminal receive sends, and, carry GUTI and attachment removal indication in this request message to the former MME transmission context request message that GUTI indicates.

Wherein, after new MME receives the tracking area update request message of portable terminal transmission, obtain the GUTI that carries in this request message, new MME analyzes MCC, MNC, MMEGI and the MMEC among the GUTI

4 parameters are determined the former MME of this GUTI correspondence; Wherein, new MME analyzes the process of MCC, MNC, MMEGI and 4 parameters of MMEC among the GUTI referring to the step 202 among the embodiment 2; New MME sends context request message to former MME, carries GUTI and attachment removal indication in this context request message.Under GPRS network, former SGSN is indicated by RAI.

503: former MME searches user's MM Context according to the GUTI in the message after receiving context request message, returns context response information to new MME, and sends the deleting bearing request to Serving GW.

Wherein, after former MME receives context request message, because the GUTI in the context request message is the GUTI that former MME distributes to the user, so preserve the user's of this GUTI correspondence MM Context among the former MME, former MME based on context in the request message GUTI can find resident user's MM Context, return context response information to new MME, carry user's MM Context in this context response information.

After former MME receives context request message, obtain the attachment removal indication in the context request message, send the deleting bearing request to Serving GW, carry the respective user beared information TEID between Serving GW and PDN GW in this deleting bearing request, this information is kept in user's the MM Context of GUTI correspondence.

504:Serving GW receives the deleting bearing request that former MME sends, and deletes the Serving GW of TEID correspondence and the user's relevant bearer between PDN GW, and returns deleting bearing success response message to former MME.

Wherein, Serving GW obtains in the deleting bearing request and carries TEID after receiving the deleting bearing request of former MME transmission, deletes the Serving GW of this TEID correspondence and the user's relevant bearer between PDN GW, and returns the deleting bearing success response to former MME.

505: new MME receives the context response information that former MME sends, according to the user's who carries in the message MM Context the user of this GUTI correspondence is carried out authentication, if authentication success, send the renewal position requests to HSS, carry the device identification of the IMSI and the new MME of this GUTI and this GUTI correspondence in this request.

Wherein, new MME receives the context response information that former MME sends, obtain the MM Context of user in the message, and the user is carried out authentication according to the authentication information in user's the MM Context, if new MME completes successfully the authentication to the user, new MME can not set up for the user or the renewal user plane bearer as normal tracking area update operation, but be initiated to the renewal position requests of HSS, carry the device identification of the IMSI and the new MME of this GUTI and this GUTI correspondence in this request.If, send the tracking area update refuse information to portable terminal to the subscription authentication failure.

Above-mentioned steps 504 and step 505 do not limit sequencing, promptly also can first execution in step 505, and execution in step 504 again.Step 504 also can be in a step 506 and step 507 execution, be in the step 506, HSS sends the canceling position request to former MME, the user that former MME initiates to delete between Serving GW and PDN GW is again carried operation, deletion user's MM Context after the deleting load-bearing operation is finished, and returning the canceling position response message to HSS, new in this case MME sends to the former MME of GUTI sign does not need to carry the attachment removal indication in the context request message.

506:HSS receives the renewal position requests that new MME sends, and finds the user and reside among the former MME on HSS, then sends the canceling position request to former MME, carries this GUTI in this canceling position request.

Wherein, HSS receives the renewal position requests that new MME sends, obtain the IMSI that upgrades in the position requests, on HSS, search the user's of this IMSI correspondence resident record, discovery resides among the former MME this user, and receive bright this user of renewal position required list that new MME sends in new MME, so send the canceling position request, carry GUTI in the described canceling position request to former MME.

507: after former MME received the canceling position request, the MM Context according to the corresponding user of this GUTI deletion of carrying in the message returned the canceling position response message to HSS.

Wherein, after former MME receives the canceling position request, obtain the GUTI that carries in the message, search the user's of this this GUTI correspondence MM Context, and delete the user's of this GUTI correspondence MM Context, the canceling position response message is returned to HSS in the deletion back.

508:HSS receives the canceling position response message that former MME returns, and user position information is updated to new MME, and sends renewal position response message to new MME.

Wherein, after HSS receives the canceling position response message that former MME returns, know that former MME has deleted user's MM Context, this moment, HSS sent the device identification of upgrading the new MME that carries in the position requests according to new MME in the step 505 to HSS, and user position information is updated to new MME.

509: new MME receives the position that HSS sends and upgrades response message, sets up user's MM Context, and for the user distributes new GUTI, and this user's mobility management states is set to unregisteredly, sends tracking area update to portable terminal and accepts message.

Wherein, after new MME receives the position renewal response message of HSS transmission, knowing is updated to the user among the new MME, new MME sets up user's MM Context, for this user distributes new GUTI at new MME, and this user's mobility management states is set to unregisteredly, sends tracking area update to portable terminal and accepts message, and this tracking area update accepts to carry in the message the new GUTI of new MME for user's distribution.

510: portable terminal receives the tracking area update that new MME sends and accepts message, user's GUTI is updated to new GUTI, and finishes message to new MME returning tracking area update, and the mobility management states of this locality is set to unregistered.

Wherein, portable terminal receives tracking area update that new MME sends accept message after, obtain the new GUTI that the new MME in the message distributes for the user, user's GUTI is updated to new GUTI, and finish message to new MME returning tracking area update, and the mobility management states of this locality is set to unregisteredly, removes the communication linkage with network, finishes the attachment removal to network.

If new MME fails to the renewal position requests of HSS to user's failed authentication or new MME, new MME can not set up user's MM Context, directly notify mobile terminal tracing area update refuse information, the mobility management states of portable terminal this locality is set to unregistered, finishes the attachment removal operation.

Under GPRS network, in the said process, the function of MME is finished by SGSN, and tracking area update message replaces with routing region updating message, and GUTI replaces with P-TMSI and/or RAI.

If the mobile of portable terminal occurs between EPS network and GPRS network, then portable terminal and network need be finished the conversion between GUTI and P-TMSI/RAI.When portable terminal is initiated the routing region updating request under GPRS network, then portable terminal is mapped to GUTI on the P-TMSI and RAI of routing region updating request message, SGSN can discern MME of this parameter identification, then again P-TMSI and RAI is mapped as GUTI and sends to former MME in context request message.Reciprocal move operation is similar.

After the portable terminal that the invention described above embodiment provides is not finished the attachment removal flow process and is left former network area and arrive new network area, attachment removal information by additional portable terminal in the tracking area update request message, when finishing tracking area update, finish the attachment removal operating process, referring to Fig. 7, the interaction figure of the tracking area update flow process that the embodiment of the invention provides:

1, portable terminal sends the tracking area update request message, carries the attachment removal indication.

2, after new MME receives the tracking area update request message, from GUTI, analyze the sign of former MME, send context request message to former MME.Also include GUTI in the message.

3, former MME finds user's MM Context according to the GUTI that receives, and this context is sent to new MME.After new MME received user's MM Context, according to the authentication of this MM Context initiation to the user, after authentication was finished, new MME also can notify the performance of former its authentication of MME.

If 4 new MME complete successfully the authentication to the user, new MME is initiated to the renewal position operation of HSS, report HSS, and this user is resident in new MME.

5, HSS searches user's resident record, finds that the user is current to reside among the former MME, and then HSS sends cancel location message to former MME.

6, former MME receives cancel location message, then initiates the operation of deleting bearing to Serving GW, with user-dependent deleting load-bearing.

7, the user's relevant bearer between Serving GW deletion Serving GW and PDN GW.

8, Serving GW has finished the deleting bearing response message of user's carrying to former MME feedback.

9, after former MME receives the deleting bearing response message, deletion user's MM Context, and return the canceling position response message.

10, HSS is updated to user position information and resides in new MME, and sends position renewal response message to new MME.

11, new MME sets up user's MM Context, and for the user distributes GUTI, and user's mobility management states is set to unregistered.Send tracking area update to portable terminal and accept message, carry newly assigned GUTI.

12, mobile terminal to update GUTI, the returning tracking area update is finished message, and the mobility management states of this locality is set to unregisteredly, removes the communication linkage with network, finishes the attachment removal to network.

The method that the embodiment of the invention provides, attachment removal information by additional portable terminal in the tracking area update request message, when finishing tracking area update, finish the attachment removal operating process, thereby avoid on eating dishes without rice or wine, having the mutual of a large amount of signalings and on radio channel, have the problem that repeats to send, save bandwidth, improved efficient.

Embodiment 6

The embodiment of the invention provides a kind of system of portable terminal attachment removal, and portable terminal has left former network area, and referring to Fig. 8, this system comprises: new mobility management apparatus 601 and former mobility management apparatus 602, wherein,

New mobility management apparatus 601 is used for the detach request message that mobile terminal receive sends, and carries station location marker and user's temporary mark that portable terminal is preserved in the detach request message; Former mobility management apparatus 602 to the station location marker correspondence sends the attachment removal Indication message, carries user's temporary mark in the attachment removal Indication message; Receive the attachment removal indication response message that former mobility management apparatus 602 sends;

Former mobility management apparatus 602 is used to receive the attachment removal Indication message that new mobility management apparatus 601 sends, and carries out the attachment removal operation according to the user's temporary mark in the attachment removal Indication message; Send attachment removal indication response message to new mobility management apparatus 601.

Wherein, former mobility management apparatus 602 specifically is used for, and receives the attachment removal Indication message; According to the user's temporary mark that carries in the attachment removal message, judge whether the user's of user's temporary mark correspondence mobility management states is registration;

If be unregistered, then former mobility management apparatus 602 directly sends attachment removal indication response message to new mobility management apparatus 601;

Otherwise former mobility management apparatus 602 is initiated the deleting bearing operation, and user's mobility management states is set to unregistered; And to new mobility management apparatus 601 transmission attachment removal indication response messages.

Wherein, new mobility management apparatus 601 also is used for sending attachment removal to portable terminal and accepting message after receiving the attachment removal indication response message of former mobility management apparatus 602 transmissions; Or after the detach request message that mobile terminal receive sends, directly send attachment removal and accept message to portable terminal.

Wherein, new mobility management apparatus 601 also is used for after former mobility management apparatus 602 sends the attachment removal Indication message, start timer and carry out timing, if receive the attachment removal indication response message that former mobility management apparatus 602 sends in the given time, then the timeing closing device stops timing; If timing meets or exceeds the scheduled time, then send attachment removal message once more, and restart the timer timing to former mobility management apparatus 602; If receive attachment removal indication error messages, then directly the timeing closing device stops timing.

The system that the embodiment of the invention provides, after before portable terminal is finished the attachment removal flow process, having left former network area and arriving new network area, directly send detach request by new mobility management apparatus, finish the attachment removal flow process by new mobility management apparatus and former mobility management apparatus, make that portable terminal carries out not needing to finish earlier tracking area update before the attachment removal flow process again, thereby avoid on eating dishes without rice or wine, having the mutual of a large amount of signalings and on radio channel, have the problem that repeats to send, save bandwidth, improved efficient.

Embodiment 7

The embodiment of the invention provides a kind of system of portable terminal attachment removal, and portable terminal has left former network area, and referring to Fig. 9, this system comprises: new mobility management apparatus 701, former mobility management apparatus 702 and home subscriber server 703, wherein,

New mobility management apparatus 701 is used for the area update request message that mobile terminal receive sends, and carries station location marker and user's temporary mark that portable terminal is preserved in the area update request message; According to the area update request message, send the renewal location request message to home subscriber server 703, upgrade the IMSI and the current location sign of carrying user's temporary mark, user's temporary mark correspondence in the location request message; Receive and upgrade the position response message; Set up the user's of IMSI correspondence MM Context according to upgrading the position response message, the user's of IMSI correspondence mobility management states is set to unregistered, and distributes new user's temporary mark for the user of IMSI correspondence; Message is accepted in renewal to the portable terminal sending zone, area update accepts to carry in the message current location sign and new user's temporary mark, make portable terminal that user's temporary mark of preserving is updated to new user's temporary mark, and user's mobility management states is set to unregistered;

Home subscriber server 703 is used for receiving and upgrades location request message, inquires about corresponding former mobility management apparatus 702 according to the IMSI that upgrades in the location request message, and sends the canceling position request to former mobility management apparatus 702; Comprise IMSI in the canceling position request, receive the canceling position response that former mobility management apparatus 702 sends, according to the canceling position response request user's station location marker is updated to the current location sign, sends to new mobility management apparatus 701 and upgrade the position response messages;

Former mobility management apparatus 702 is used to receive the canceling position request; According to the user's temporary mark that carries in the canceling position request, deletion and user's temporary mark corresponding movable management context; Send the canceling position response to home subscriber server 703.

Wherein, new mobility management apparatus 701 also is used for sending context request message before home subscriber server 703 sends the renewal location request message to former mobility management apparatus 702, carries user's temporary mark in the context request message; Receive the MM Context that former mobility management apparatus 702 sends, and the user is carried out authentication and determines the authentication success according to the authentication information in the MM Context;

Former mobility management apparatus 702 also is used to receive context request message, and user's temporary mark inquiry of based on context carrying in the request message obtains user's MM Context.

The system that the embodiment of the invention provides, attachment removal information by additional portable terminal in the area update request message, when finishing tracking area update, finish the attachment removal operating process, thereby avoid on eating dishes without rice or wine, having the mutual of a large amount of signalings and on radio channel, have the problem that repeats to send, save bandwidth, improved efficient.

Embodiment 8

The embodiment of the invention provides a kind of device of portable terminal attachment removal, and portable terminal has left former network area, and referring to Figure 10, this device comprises:

First receiver module 801 is used for the detach request message that mobile terminal receive sends, and carries station location marker and user's temporary mark that portable terminal is preserved in the detach request message;

Sending module 802 is used for sending the attachment removal Indication message to the former mobility management apparatus of station location marker indication, carries user's temporary mark in the attachment removal Indication message, so that former management equipment is carried out the attachment removal operation according to user's temporary mark;

Second receiver module 803 is used to receive former mobility management apparatus and is carrying out the attachment removal indication response message that attachment removal operation back sends.

Wherein, sending module 802 specifically comprises:

First determining unit is used for determining former mobility management apparatus according to station location marker;

First transmitting element, be used for sending the attachment removal Indication message that comprises user's temporary mark to former mobility management apparatus, so that former mobility management apparatus, judges whether the user's of user's temporary mark correspondence mobility management states is registration according to user's temporary mark; If be unregistered, then directly send attachment removal indication response message; Otherwise, initiate the deleting bearing operation, and user's mobility management states is set to unregisteredly, send attachment removal indication response message.

Wherein, second receiver module 803 also comprises:

Second transmitting element after being used to receive the attachment removal indication response message of former mobility management apparatus transmission, sends attachment removal to portable terminal and accepts message; Or, after the detach request message that mobile terminal receive sends, directly send attachment removal and accept message to portable terminal.

Wherein, sending module 802 also comprises:

Timing unit is used to start timer; If in the scheduled time of timer, receive attachment removal indication response message, then timeing closing device that former mobility management apparatus sends; When if the scheduled time of timer meets or exceeds, do not receive the attachment removal indication response message that former mobility management apparatus returns, then send the attachment removal Indication message once more, and reset and start timer to former mobility management apparatus; If receive attachment removal indication error messages, then direct timeing closing device.

The device that the embodiment of the invention provides, after before portable terminal is finished the attachment removal flow process, having left former network area and arriving new network area, directly send detach request by new mobility management apparatus, finish the attachment removal flow process by new mobility management apparatus and former mobility management apparatus, make that portable terminal carries out not needing to finish earlier tracking area update before the attachment removal flow process again, thereby avoid on eating dishes without rice or wine, having the mutual of a large amount of signalings and on radio channel, have the problem that repeats to send, save bandwidth, improved efficient.

Embodiment 9

The embodiment of the invention provides a kind of device of portable terminal attachment removal, and portable terminal has left former network area, and referring to Figure 11, this device comprises:

The 3rd receiver module 901 is used for the area update request message that mobile terminal receive sends, and carries station location marker and user's temporary mark that portable terminal is preserved in this area update request message;

Upgrade position module 902, be used for according to the area update request message, send the renewal location request message to home subscriber server HSS, upgrade the IMSI and the current location sign of carrying user's temporary mark, user's temporary mark correspondence in the location request message, so that HSS inquires about corresponding former mobility management apparatus according to IMSI, and indicate former mobility management apparatus deletion and user's temporary mark corresponding movable management context; And behind former mobility management apparatus deletion and user's temporary mark corresponding movable management context, make HSS that user's station location marker is updated to the current location sign;

The 4th receiver module 903 is used to receive HSS user's station location marker is updated to the renewal position response message that returns after the current location sign;

Processing module 904 is used for setting up the user's of IMSI correspondence MM Context according to upgrading the position response message, and the user's of IMSI correspondence mobility management states is set to unregistered, and distributes new user's temporary mark for the user of IMSI correspondence;

Area update module 905 is used for upgrading to the portable terminal sending zone and accepts message, and area update accepts to carry in the message current location sign and new user's temporary mark.

Wherein, upgrade position module 902, also comprise:

Second determining unit is used for the station location marker that carries according to the area update request message, determines former mobility management apparatus;

The 3rd transmitting element is used for sending context request message to former mobility management apparatus, carries user's temporary mark in the context request message;

Receiving element is used to receive the MM Context that the inquiry according to user's temporary mark that former mobility management apparatus sends obtains the user, and according to the authentication information in user's the MM Context user is carried out authentication; If the authentication success is then carried out to home subscriber server HSS and is sent the renewal location request message.

The device that the embodiment of the invention provides, attachment removal information by additional portable terminal in the area update request message, when finishing tracking area update, finish the attachment removal operating process, thereby avoid on eating dishes without rice or wine, having the mutual of a large amount of signalings and on radio channel, have the problem that repeats to send, save bandwidth, improved efficient.

The embodiment of the invention can utilize software to realize that corresponding software programs can be stored in the storage medium that can read, for example, and in the hard disk of router, buffer memory or the CD.

The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. the method for a portable terminal attachment removal is characterized in that, described portable terminal has left former network area, and described method comprises:

2. the method for claim 1 is characterized in that, the former mobility management apparatus transmission attachment removal Indication message to described station location marker indication so that described former management equipment is carried out the attachment removal operation according to described user's temporary mark, specifically comprises:

Determine described former mobility management apparatus according to described station location marker;

Send the described attachment removal Indication message that comprises described user's temporary mark to described former mobility management apparatus, so that described former mobility management apparatus, judges whether the user's of described user's temporary mark correspondence mobility management states is registration according to described user's temporary mark; If be unregistered, then directly send described attachment removal indication response message; Otherwise, initiate the deleting bearing operation, and described user's mobility management states is set to unregisteredly, send described attachment removal indication response message.

3. the method for claim 1 is characterized in that, described method also comprises:

After receiving the attachment removal indication response message of described former mobility management apparatus transmission, send attachment removal to described portable terminal and accept message; Or,

After receiving the detach request message of described portable terminal transmission, directly send attachment removal and accept message to described portable terminal.

4. the method for claim 1 is characterized in that, described after described former mobility management apparatus sends the attachment removal Indication message, described method also comprises:

Start timer;

If in the scheduled time of described timer, receive the attachment removal indication response message that described former mobility management apparatus sends, then close described timer;

When if the scheduled time of described timer meets or exceeds, do not receive the attachment removal indication response message that former mobility management apparatus returns, then send the attachment removal Indication message once more, and reset and start timer to former mobility management apparatus;

5. the method for claim 1, it is characterized in that, when portable terminal when an evolved packet system EPS network area moves to another EPS network area, then described former mobility management apparatus is specially former Mobility Management Entity MME, and described station location marker and temporary identity sign are merged into global unique temporary identity GUTI;

When portable terminal when general packet radio service gprs core network zone moves to the EPS network area, then described former mobility management apparatus is specially the GPRS Support Node SGSN of former service, and described temporary identity sign is specially packet TMSI P-TMSI and described station location marker is specially Tracking Area Identifier RAI.

6. the method for a portable terminal attachment removal is characterized in that, described portable terminal has left former network area, and described method comprises:

According to described area update request message, send the renewal location request message to home subscriber server HSS, carry the international mobile subscriber identity IMSI and the current location sign of described user's temporary mark, described user's temporary mark correspondence in the described renewal location request message, so that described HSS inquires about corresponding former mobility management apparatus according to described IMSI, and indicate described former mobility management apparatus deletion and described user's temporary mark corresponding movable management context; And behind described former mobility management apparatus deletion and described user's temporary mark corresponding movable management context, make described HSS that user's station location marker is updated to described current location sign;

7. method as claimed in claim 6 is characterized in that, and is described according to described area update request message, before home subscriber server HSS sends the renewal location request message, also comprises:

According to the station location marker that carries in the described area update request message, determine described former mobility management apparatus;

Send context request message to described former mobility management apparatus, carry described user's temporary mark in the described context request message;

What receive described former mobility management apparatus transmission inquires about the MM Context that obtains the user according to described user's temporary mark, and according to the authentication information in user's the MM Context user is carried out authentication;

If the authentication success is then carried out described the transmission to home subscriber server HSS and is upgraded location request message.

8. method as claimed in claim 6, it is characterized in that, when portable terminal when an evolved packet system EPS network area moves to another EPS network area, then described former mobility management apparatus is specially former Mobility Management Entity MME, and described station location marker and temporary identity sign are merged into global unique temporary identity GUTI;

9. the system of a portable terminal attachment removal is characterized in that, described portable terminal has left former network area, and described system comprises: new mobility management apparatus and former mobility management apparatus, wherein,

10. system as claimed in claim 9 is characterized in that, described former mobility management apparatus specifically is used for, and receives described attachment removal Indication message; According to the user's temporary mark that carries in the described attachment removal message, judge whether the user's of described user's temporary mark correspondence mobility management states is registration;

If be unregistered, then described former mobility management apparatus directly sends described attachment removal indication response message to new mobility management apparatus;

Otherwise described former mobility management apparatus is initiated the deleting bearing operation, and user's mobility management states is set to unregistered; And send described attachment removal indication response message to new mobility management apparatus.

11. system as claimed in claim 9 is characterized in that, described new mobility management apparatus also is used for sending attachment removal to described portable terminal and accepting message after receiving the attachment removal indication response message of described former mobility management apparatus transmission; Or after the detach request message that mobile terminal receive sends, directly send attachment removal and accept message to described portable terminal.

12. system as claimed in claim 9, it is characterized in that, described new mobility management apparatus also is used for after described former mobility management apparatus sends described attachment removal Indication message, start timer and carry out timing, if receive the attachment removal indication response message that described former mobility management apparatus sends in the given time, then the timeing closing device stops timing; If timing meets or exceeds the described scheduled time, then send attachment removal message once more, and restart the timer timing to described former mobility management apparatus; If receive attachment removal indication error messages, then directly the timeing closing device stops timing.

13. the system of a portable terminal attachment removal is characterized in that, described portable terminal has left former network area, and described system comprises: new mobility management apparatus, home subscriber server and former mobility management apparatus, wherein,

Described new mobility management apparatus is used for the area update request message that mobile terminal receive sends, and carries station location marker and user's temporary mark that described portable terminal is preserved in the described area update request message; According to described area update request message, send the renewal location request message to home subscriber server, carry the international mobile subscriber identity IMSI and the current location sign of described user's temporary mark, described user's temporary mark correspondence in the described renewal location request message; Receive and upgrade the position response message; Set up the user's of described IMSI correspondence MM Context according to described renewal position response message, the user's of described IMSI correspondence mobility management states is set to unregistered, and distributes new user's temporary mark for the user of described IMSI correspondence; Message is accepted in renewal to described portable terminal sending zone, described area update accepts to carry in the message described current location sign and described new user's temporary mark, make described portable terminal that user's temporary mark of preserving is updated to new user's temporary mark, and user's mobility management states is set to unregistered;

14. system as claimed in claim 13, it is characterized in that, described new mobility management apparatus also is used for before sending described renewal location request message to described home subscriber server, send context request message to described former mobility management apparatus, carry described user's temporary mark in the described context request message; Receive the MM Context that described former mobility management apparatus sends, and the user is carried out authentication and determines the authentication success according to the authentication information in the described MM Context;

Described former mobility management apparatus also is used to receive described context request message, obtains described user's described MM Context according to described user's temporary mark inquiry of carrying in the described context request message.

15. the device of a portable terminal attachment removal is characterized in that, described portable terminal has left former network area, and described device comprises:

16. device as claimed in claim 15 is characterized in that, described sending module specifically comprises:

First determining unit is used for determining described former mobility management apparatus according to described station location marker;

First transmitting element, be used for sending the described attachment removal Indication message that comprises described user's temporary mark to described former mobility management apparatus, so that described former mobility management apparatus, judges whether the user's of described user's temporary mark correspondence mobility management states is registration according to described user's temporary mark; If be unregistered, then directly send described attachment removal indication response message; Otherwise, initiate the deleting bearing operation, and described user's mobility management states is set to unregisteredly, send described attachment removal indication response message.

17. device as claimed in claim 15 is characterized in that, described second receiver module also comprises:

Second transmitting element after being used to receive the attachment removal indication response message of described former mobility management apparatus transmission, sends attachment removal to described portable terminal and accepts message; Or, receive the detach request message that described portable terminal sends after, directly send attachment removal and accept message to described portable terminal.

18. device as claimed in claim 15 is characterized in that, described sending module also comprises:

Timing unit is used to start timer; If in the scheduled time of described timer, receive the attachment removal indication response message that described former mobility management apparatus sends, then close described timer; When if the scheduled time of described timer meets or exceeds, do not receive the attachment removal indication response message that former mobility management apparatus returns, then send the attachment removal Indication message once more, and reset and start timer to former mobility management apparatus; If receive attachment removal indication error messages, then direct timeing closing device.

19. the device of a portable terminal attachment removal is characterized in that, described portable terminal has left former network area, and described device comprises:

Upgrade position module, be used for according to described area update request message, send the renewal location request message to home subscriber server HSS, carry the international mobile subscriber identity IMSI and the current location sign of described user's temporary mark, described user's temporary mark correspondence in the described renewal location request message, so that described HSS inquires about corresponding former mobility management apparatus according to described IMSI, and indicate described former mobility management apparatus deletion and described user's temporary mark corresponding movable management context; And behind described former mobility management apparatus deletion and described user's temporary mark corresponding movable management context, make described HSS that user's station location marker is updated to described current location sign;

20. device as claimed in claim 19 is characterized in that, described renewal position module also comprises:

Second determining unit is used for the station location marker that carries according to described area update request message, determines described former mobility management apparatus;

The 3rd transmitting element is used for sending context request message to described former mobility management apparatus, carries described user's temporary mark in the described context request message;

Receiving element is used to receive that described former mobility management apparatus sends obtains user's MM Context according to described user's temporary mark inquiry, and according to the authentication information in user's the MM Context user is carried out authentication; If the authentication success is then carried out described the transmission to home subscriber server HSS and is upgraded location request message.