CN1764136A - Route renewing method for service universal packet wireless service supported node apparatus - Google Patents
Route renewing method for service universal packet wireless service supported node apparatus Download PDFInfo
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- CN1764136A CN1764136A CN 200410086423 CN200410086423A CN1764136A CN 1764136 A CN1764136 A CN 1764136A CN 200410086423 CN200410086423 CN 200410086423 CN 200410086423 A CN200410086423 A CN 200410086423A CN 1764136 A CN1764136 A CN 1764136A
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- sgsn
- portable terminal
- routing update
- request message
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Abstract
The invention discloses a route update method for SGSN device. Wherein, SGSN labels the mobile terminal as separation state in MS context, and still keeps opposite inherent capacity parameter; thereby, when the mobile terminal returns to network cover area and SGSN receives the route update require from the terminal, SGSN can build full MS context by said parameters and cell in require information to ensure the update success. This invention makes the hidden separated mobile terminal need not attach again to access the SGSN device.
Description
Technical field
The present invention relates to the wireless access field of digital wireless network, be specifically related to a kind of route renewing method of service universal packet wireless service supported node apparatus.
Background technology
Portable terminal is by (the GPRS that is engaged in to the core net service universal packet wireless business, General PacketRadio Service) support node (SGSN, Serving GPRS Support Node) equipment sends and adheres to request registration to GPRS network or universal mobile telecommunications system (UMTS, Universal MobileTelecommunication System) network, the cell that SGSN equipment carries Attach Request message is kept at travelling carriage (MS, Mobile Station) in the context, the MS context comprises mobile terminal identification, this portable terminal is in information such as the signatory attribute of attaching position register (HLR, Home Location Register) and this portable terminal current locations.When route district, portable terminal place changed, portable terminal was by sending the present position of routing update request message notice SGSN oneself.
SGSN upgrades the MS context in the routing update flow process, so that during follow-up initiation paging, can navigate to portable terminal quickly and accurately.If portable terminal residing route district in a period of time does not change, portable terminal also needs to initiate periodic routing update request to SGSN, cycle time T value by SGSN at last notice portable terminal when once adhering to success or routing update success.If SGSN is after overtime T, do not receive any up signaling of portable terminal, in order not take the resource of SGSN equipment, this portable terminal is by implicit detach, promptly this portable terminal of sign is " separation " state in the MS of SGSN contextual information, after this no longer valid to the paging of this portable terminal, business such as short message and network side activation can not trigger.
Portable terminal is that portable terminal has left GPRS network or UMTS network's coverage area in T does not initiate the routing update request in the time a kind of reason, when portable terminal came back to network's coverage area, portable terminal can send the routing update request message to SGSN immediately.
According to the 3rd third-generation mobile communication partnership projects (3GPP, 3rd Generation Partnership Project) agreement of protocol architecture, when SGSN receives the routing update request message of portable terminal, if the MS context had been identified as separation at that time, SGSN should send the routing update refuse information to portable terminal, and the cause value that carries in the message is " implicit detach ".Portable terminal is received after this message, needs to initiate Attach Request message to SGSN again, is registered to GPRS network or UMTS network.
The main difference of the cell that carries in Attach Request message that portable terminal sends and the routing update request message is: in Attach Request message, discontinuous reception (DRX, Discontinuous Reception) parameter and network capabilities parameter are essential cells; And in the routing update request message, these two parameters are optional cells.DRX parameter and network capabilities parameter are two important parameters in the MS context, and SGSN need use the DRX parameter when the paging portable terminal; According to the network capabilities parameter, SGSN just can know the protocol version of mobile terminal software and the contents such as cryptographic algorithm of support.For the portable terminal of implicit detach, the prerequisite of routing update request success is: SGSN has preserved DRX parameter and network capabilities parameter.And in the routing update request, whether carry the DRX parameter and the network capabilities parameter is determined by portable terminal, if having thought these two parameter changes, just carries portable terminal, but these two parameters are relevant with capacity of mobile terminal, seldom change after dispatching from the factory, commercial at present portable terminal does not carry these two parameters basically in the routing update flow process, and existing SGSN equipment is no longer preserved DRX parameter and network capabilities parameter after portable terminal is by implicit detach.In view of above reason, concerning portable terminal, have only to finish earlier and adhere to, guarantee that SGSN obtains DRX parameter and network capabilities parameter, when after this SGSN receives the routing update request of portable terminal transmission, according to the cell that this two parameter and routing update request message carry, just can set up complete MS context, thus the routing update success.
At present, after portable terminal is come back to the GPRS network overlay area by implicit detach, the process that successfully inserts SGSN as shown in Figure 1, step is as follows:
Step 101:SGSN receives the routing update request message that the mobile terminal sends;
Step 102: because the MS context is identified as " separation ", SGSN sends to portable terminal and carries the routing update refuse information of cause value for " implicit detach ";
Step 103: portable terminal sends Attach Request message to SGSN;
Step 104: adhere to successfully, routing update is finished.
After adhering to successfully, because the cell that Attach Request message carries is very complete, SGSN can set up complete MS context, natural routing update success.
Find by observation and analysis existing GPRS commercial network or UMTS network, because the software defect that portable terminal itself exists, a lot of portable terminals are when receiving that having cause value is the routing update refuse information of " implicit detach ", do not initiate to adhere to request again, but repeat to send the routing update request message to SGSN, SGSN repeats refusal, has been absorbed in an endless loop.Like this, portable terminal can not be registered to GPRS network or UMTS network always, and the user just can not use WAP (wireless access protocol) (WAP, Wireless Access Protocol) business, unless SGSN receives the Attach Request message that portable terminal sends again.Frequent request and refuse information have taken wireless channel, have greatly wasted Internet resources, and the routing update success rate is significantly descended.
Summary of the invention
In view of this, main purpose of the present invention is the equipment from SGSN, provides a kind of portable terminal that do not need to initiate to adhere to request again, can realize SGSN equipment routing update successful method.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of route renewing method of service universal grouping wireless business supporting node SGSN equipment, this method comprises:
A, SGSN are released state with mobile terminal identification in the mobile station MS context after, continue to preserve the portable terminal capability parameter of this portable terminal;
B, SGSN set up complete MS context according to the cell that carries in portable terminal capability parameter of preserving in the steps A and the routing update request message after receiving the routing update request message that this portable terminal sends.
The described portable terminal capability of steps A parameter is discontinuous reception DRX parameter and network capabilities parameter.
Further comprise after the described step B: SGSN returns the routing update success message to portable terminal.
The described scheduled time is set to the average time interval that SGSN sends the routing update request message to portable terminal by the SGSN implicit detach according to portable terminal.
This method further comprises according to following steps determines the described scheduled time:
Statistics is different constantly by the number of the portable terminal of SGSN implicit detach;
From described different constantly respectively the recording occurring continuously portable terminals send the number of routing update request message to SGSN, and the time interval of the number of determining to send the portable terminal of routing update request message respectively when reaching the predetermined percentage of mobile terminal data of described moment statistics;
The maximum of getting all time intervals is as the described scheduled time.
The described scheduled time is 24 hours.
Compared with prior art, the present invention is released state with mobile terminal identification by SGSN in the MS context after, SGSN continues to preserve the contextual portable terminal capability of MS parameter, when having realized that SGSN receives the routing update request of portable terminal transmission, can insert portable terminal at once.The present invention need not portable terminal and resends Attach Request message from SGSN equipment, just can realize the routing update success.Like this, for equipment manufacturers, improved the satisfaction of cellular carrier; For cellular carrier, reduced the signaling burden of wireless network, reduced the network user's complaint, promoted the service image of cellular carrier.
Description of drawings
Fig. 1 is the flow chart of prior art;
Fig. 2 is the flow chart of the inventive method.
Embodiment
Be example with the GPRS network below, the present invention is further described in more detail to reach specific embodiment in conjunction with the accompanying drawings.
Fig. 2 is the flow chart of the inventive method, and as shown in Figure 2, its step is as follows:
Step 201:SGSN is " separation " with mobile terminal identification in the MS context after, continue to preserve DRX parameter and network capabilities parameter in the MS context;
Step 202:SGSN receives the routing update request message that portable terminal sends in the given time;
Step 204:SGSN sends the routing update success message to portable terminal.
Portable terminal is owing to left the GPRS network overlay area, surpassed the periodically cycle time of routing update timer, do not initiate the routing update request to SGSN, so SGSN is " separation " with mobile terminal identification in the MS context, because SGSN has continued to preserve DRX parameter and network capabilities parameter in the MS context, when so SGSN receives the routing update request of portable terminal transmission in the given time, according to the cell that carries in the DRX parameter of preserving and network capabilities parameter and the routing update request message, just can set up complete MS context, make routing update successful.
For alleviating the storage burden of SGSN, after portable terminal was by the SGSN implicit detach, SGSN continued to preserve DRX parameter and network capabilities parameter in " scheduled time ", and the length operated by rotary motion of the scheduled time was at 24 hours.In addition, the scheduled time can be set to the average time interval that SGSN sends the routing update request message to portable terminal by the SGSN implicit detach according to portable terminal, also can be obtained by following steps:
Step 1: the value of setting C, wherein C representative is sent the probability of routing update request message to SGSN by the portable terminal of implicit detach at the fixed time, and its concrete setting by SGSN equipment manufacturers waits to determine according to the demand of its device storage ability and operator;
Step 2: add up a certain moment t by the number of the portable terminal of SGSN implicit detach, establishing this number is A;
Step 3: A and C multiplied each other obtains a value B;
Step 4: from moment t, the portable terminal in the tracking step 2, and write down the number of getting back to the GPRS network overlay area in them and sending the routing update request message to SGSN, when count value reaches B, calculate the time interval T of moment t to current time;
Step 5: by the value of change t, and repeating step 2～4, can draw the change curve of T on t;
Step 6: the maximum of getting T is as the scheduled time.
If the outer at the fixed time routing update request message of receiving that portable terminal sends of SGSN, because this moment, DRX parameter and network capabilities parameter were deleted by SGSN, so after having only SGSN to receive the Attach Request message of portable terminal transmission, routing update could success.
The above only is process of the present invention and method embodiment, in order to restriction the present invention, all any modifications of being made within the spirit and principles in the present invention, is not equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1, a kind of route renewing method of service universal grouping wireless business supporting node SGSN equipment is characterized in that, this method comprises:
A, SGSN are released state with mobile terminal identification in the mobile station MS context after, continue to preserve the portable terminal capability parameter of this portable terminal;
B, SGSN set up complete MS context according to the cell that carries in portable terminal capability parameter of preserving in the steps A and the routing update request message after receiving the routing update request message that this portable terminal sends.
2, the method for claim 1 is characterized in that, the described portable terminal capability of steps A parameter is discontinuous reception DRX parameter and network capabilities parameter.
3, the method for claim 1 is characterized in that, further comprise after the described step B: SGSN returns the routing update success message to portable terminal.
4, the method for claim 1 is characterized in that, the described portable terminal capability of steps A parameter is to preserve in the given time.
5, method as claimed in claim 4 is characterized in that, the described scheduled time is set to the average time interval that SGSN sends the routing update request message to portable terminal by the SGSN implicit detach according to portable terminal.
6, method as claimed in claim 4 is characterized in that, this method further comprises according to following steps determines the described scheduled time:
Statistics is different constantly by the number of the portable terminal of SGSN implicit detach;
From described different constantly respectively the recording occurring continuously portable terminals send the number of routing update request message to SGSN, and the time interval of the number of determining to send the portable terminal of routing update request message respectively when reaching the predetermined percentage of mobile terminal data of described moment statistics;
The maximum of getting all time intervals is as the described scheduled time.
7, method as claimed in claim 4 is characterized in that, the described scheduled time is 24 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100864236A CN100349435C (en) | 2004-10-20 | 2004-10-20 | Route renewing method for service universal packet wireless service supported node apparatus |
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| CNB2004100864236A CN100349435C (en) | 2004-10-20 | 2004-10-20 | Route renewing method for service universal packet wireless service supported node apparatus |
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| CN1764136A true CN1764136A (en) | 2006-04-26 |
| CN100349435C CN100349435C (en) | 2007-11-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009132584A1 (en) * | 2008-04-29 | 2009-11-05 | 华为技术有限公司 | Methods for uploading and downloading the base station subsystem context and the device thereof |
| CN104823478A (en) * | 2012-11-01 | 2015-08-05 | Lg电子株式会社 | Method and device for managing RAN resources in wireless communication system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267433A (en) * | 1997-06-20 | 2000-09-20 | 艾利森电话股份有限公司 | Data packet radio service with enhanced mobility management |
| NO313030B1 (en) * | 1997-12-09 | 2002-07-29 | Ericsson Telefon Ab L M | Procedure for updating the routing area |
| FI106424B (en) * | 1998-02-13 | 2001-01-31 | Nokia Networks Oy | Update of routing area in a packet radio network |
| US6701155B2 (en) * | 2002-01-11 | 2004-03-02 | Nokia Corporation | Network initialized packet data protocol context activation for multicast/broadcast services |
| JP4186480B2 (en) * | 2002-03-05 | 2008-11-26 | 日本電気株式会社 | Mobile portable terminal and always-on PDP context management method used therefor |
| CN1489314A (en) * | 2002-10-11 | 2004-04-14 | 北京三星通信技术研究有限公司 | Method for establishing and removing MBMS business in SGSN and GGSN |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009132584A1 (en) * | 2008-04-29 | 2009-11-05 | 华为技术有限公司 | Methods for uploading and downloading the base station subsystem context and the device thereof |
| CN101272541B (en) * | 2008-04-29 | 2012-07-04 | 华为技术有限公司 | Base station subsystem context uploading method, downloading method and device |
| CN104823478A (en) * | 2012-11-01 | 2015-08-05 | Lg电子株式会社 | Method and device for managing RAN resources in wireless communication system |
| CN104823478B (en) * | 2012-11-01 | 2019-08-09 | Lg 电子株式会社 | Method and apparatus for managing RAN resource in a wireless communication system |
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| CN100349435C (en) | 2007-11-14 |
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Granted publication date: 20071114 Termination date: 20131020 |