CN101959250B - Guidable terminal access method and network device for mobile communication system - Google Patents
Guidable terminal access method and network device for mobile communication system Download PDFInfo
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- CN101959250B CN101959250B CN2010105321462A CN201010532146A CN101959250B CN 101959250 B CN101959250 B CN 101959250B CN 2010105321462 A CN2010105321462 A CN 2010105321462A CN 201010532146 A CN201010532146 A CN 201010532146A CN 101959250 B CN101959250 B CN 101959250B
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Abstract
The invention discloses a guidable terminal access method and a network device for a mobile communication system, which can be used for a 3GPP mobile communication system. The method comprises the following steps: after the flow processing result selected by APN is 'activation rejected', combining activation refused error codes and reject associated information to determine the guidance mood and the guidance information; if the guidance mood is a guidable mood, further initiating the creation of a PDP context activation request signaling so as to realize the conditions of providing further guidance for a user when the activate request is abnormal, wherein the signaling includes username fields for carrying the guidance information. A SGSN in the network device comprises an analytical unit, a selection unit and an interface unit. The invention solves the defects caused by the abnormal situations occurring when the PDP context activation request is directly rejected, so that the user can be guided in time when the PDP context activation request is abnormal.
Description
Technical field
The invention belongs to network communications technology field, be specifically related to guidable terminal access method and the network equipment.
Background technology
3GPP (third generation partner program) mobile communications network can realize that mobile terminal Internet access is linked into outer data network so that data service to be provided, and for example GPRS, WCDMA communication system can provide data service for mobile terminal.Below describe as an example of GPRS example.
As shown in Figure 1, be the schematic diagram of a kind of mobile terminal Internet access usage data business of GPRS communication system prior art.Wherein GPRS serving GPRS support node SGSN is that GPRS network realizes that the move mode grouping accesses and the new equipment of introducing, mainly comprises the functions such as authentication and encryption, session management, mobile management; Its Main Function is exactly the current location information of record move terminal, and completes the sending and receiving of mobile packet data between travelling carriage and SGSN.
The GPRS terminal, as wanting to carry out the wireless mode online, generally needs to set in advance on terminal APN(Access Point Name) parameter, and then initiate the PDP(packet data protocol) the context activation signaling process; And in the Access point name information field in terminal initiation " PDP context activation request " signaling message, comprised the selected APN title of terminal, but this field also may be sky; After SGSN receives " PDP context activation request " signaling message, PDP Context inter-process flow process is set up in startup, and handling process comprises that registration inspection, APN select, the processes such as dns resolution of APN.
In 3GPP 23.060 document appendix " APN and GGSN Selection " specified in more detail APN select flow process, existing SGSN equipment is processed according to this flow process standard.Consult Fig. 2, if APN selects flow process standard result for passing through to GGSN, continues to initiate " PDP Context request to create " signaling; If APN selects flow process standard result for refusal directly to terminal, replys " PDP context activation refusal " signaling, thereby the online request of refusal terminal.
Although " PDP context activation refusal " signaling message that terminal is received has comprised error code, but because this error code can not be employed layer, receive and utilize, the error code of considerable part is careful not, therefore under the unaccepted abnormal conditions of activation request, terminal and/or user can not obtain the effective information prompting and guide; These abnormal conditions comprise at least:
1. terminal mistake in using APN and the PDP that causes activates refusal,, owing to lacking information indicating, can't guide the user initiatively to carry out APN inspection is set.
2. terminal is used unregistered APN and the PDP that causes activates refusal,, owing to lacking information indicating, can't guide the user initiatively first to carry out the APN registration.
Similar conditions of demand also have a lot.
The traditional approach that this abnormal conditions lack the effective information prompting and guide, easily use business of networking to bring inconvenience to the user and perception is misread; The while unsuccessful operation of activation request repeatedly forms extra invalid load to network.
Summary of the invention
The object of the invention is to overcome the prior art above shortcomings, a kind of bootable terminal access method and network equipment of mobile communication system is provided.The invention solves the deficiency that abnormal conditions that the request of standard P DP context activation directly refused are brought, the user can in time be guided when abnormal conditions appear in the PDP context activation request.The present invention is applicable to 3GPP (third generation partner program) mobile communication system.
For addressing the above problem, the invention provides a kind of bootable terminal access method of mobile communication system, it is after activation request is refused that the method is selected the flow processing result at APN APN, processing by guidance mode and generation new Username (user name) field, serving GPRS support node SGSN initiates to comprise the establishment packet data protocol PDP context activation demand signalling of guidance information to gateway support node GGSN, the user is further guided when abnormal conditions appear in the online request.
The bootable terminal access method of above-mentioned mobile communication system specifically comprises:
Gateway support node SGSN is according to the error code of expression Reason For Denial and the configuration that guide demand guides mode mappings work table in advance;
SGSN is when receiving the request of packet data protocol PDP context activation and through APN APN, select the flow processing result to be the activation request refusal, obtain and activate error code corresponding to refusal, resolve with extract packet data protocol PDP Context demand signalling in be rejected related information and username field with activation request; Then search pre-configured described guidance mode mappings work table, select guidance mode, generation is as the new user name field of guidance information, if guidance mode is bootable, further to gateway support node GGSN, initiate to create packet data protocol PDP context activation demand signalling, the condition of further guiding is provided, and described signaling comprises new username field and guidance information; If guidance mode, for leading, sends the PDP context activation refusal to terminal.
The bootable terminal access method of above-mentioned mobile communication system, specifically comprise the steps:
Step 1: serving GPRS support node SGSN guides the configuration of mode mappings work table in advance according to error code and guide demand;
Step 2: serving GPRS support node SGSN is receiving the request of packet data protocol PDP context activation and carrying out APN APN and select flow processing, if result turns step 3 for activating refusal; If result is accepted for activating, serving GPRS support node SGSN initiates to create packet data protocol PDP Context demand signalling to gateway support node GGSN;
Step 3: record error code corresponding to Reason For Denial in APN selection flow processing;
Step 4: SGSN judges whether and need to guide the roamer, turns in this way step 7;
Step 5: SGSN judges whether it is the roamer, as otherwise turn step 7;
Step 6: SGSN sends the PDP context activation rejection signaling to terminal;
Step 7: SGSN obtains error code, resolve with extract the PDP Context demand signalling in be rejected related information and username field with activation request;
Step 8:, according to error code and refusal related information, search guidance mode mappings work table, select guidance mode, generate guidance information;
Step 9: SGSN judges that whether guidance mode is bootable, in this way, turns step 11;
Step 10: SGSN sends the PDP context activation rejection signaling to terminal;
Step 11: SGSN initiates to create the PDP context activation demand signalling to GGSN, and guidance information is included in the Username field of protocol configuration option.
The present invention also provides a kind of bootable accessing terminal to network equipment of mobile communication system, comprises SGSN, and described SGSN comprises:
Resolution unit, when receiving the PDP context activation request and through APN, select the flow processing result for the activation refusal, the error code of record expression Reason For Denial, carry out the parsing of activation request signaling, extraction is rejected related information and Username field with activation request;
Selected cell,, according to error code and refusal related information, search pre-configured guidance mode mappings work table, selects guidance mode, generates the new Username field as guidance information;
Interface unit, initiate to create the PDP context activation demand signalling to GGSN, comprises new Username field in signaling.The upper configuration that guides in advance mode mappings work table according to error code and guide demand of SGSN.
The present invention is after activation request is refused by select the flow processing result at APN, processing by guidance mode and the new Username field of generation, further to GGSN, initiate to comprise the establishment PDP context activation demand signalling of new Username, realize that the user can further be guided when abnormal conditions appear in the online request; Compared with prior art, the present invention has following technique effect:
1. terminal mistake in using APN and the PDP that causes activates refusal, directly reply SGSN and activate rejection signaling and be improved to the establishment PDP context activation demand signalling of further to GGSN, initiating to comprise guidance information, and the guiding user initiatively carries out APN inspection is set.
2. terminal is used unregistered APN and the PDP that causes activates refusal, SGSN is directly replied the activation rejection signaling and is improved to the establishment PDP context activation demand signalling of further to GGSN, initiating to comprise guidance information, and the guiding user initiatively first registers APN and carries out the business use again.
3. existing abnormal conditions lack the traditional approach of effective information prompting and guide, easily to the user, use business of networking to bring inconvenience and misread with perception; The while unsuccessful operation of activation request repeatedly forms extra invalid load to network, and the present invention can make user's business of networking more convenient to use, reduces simultaneously the load of network, improves the utilance of network.
Description of drawings
Fig. 1 prior art GPRS terminal online usage data business schematic diagram.
Fig. 2 is that APN selects the flow processing result schematic diagram.
Fig. 3 is the embodiment flow chart of terminal access method of the present invention.
Fig. 4 has comprised that the APN that the present invention processes selects the flow processing result schematic diagram.
Fig. 5 is the embodiments of the invention theory diagrams.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the invention is further elaborated, but enforcement of the present invention and protection range are not limited to this.
As shown in Figure 5, be the network system theory diagram of embodiment of the present invention, described system comprises network equipment SGSN501, terminal 502 and GGSN503.Described SGSN comprises resolution unit 5011, pre-configured guidance mode mappings work table on it; Obtain and activate error code corresponding to refusal, resolve with extract the PDP Context demand signalling in be rejected related attribute information and Username field with activation request.Described SGSN comprises selected cell 5012, according to error code, refusal relating attribute information, search pre-configured guidance mode mappings work table, select to determine guidance mode, supplement simultaneously the Username field and form the new Username field of expression guidance information.Described SGSN comprises interface unit 5013, to GGSN, initiates to create the PDP context activation demand signalling, comprises new Username field in the protocol configuration option of signaling.
As shown in Figure 3, be a kind of execution mode flow chart of terminal access method of the present invention, comprise the following steps:
The upper configuration of step 301:SGSN guidance mode mappings work table (as table 2)
The upper configuration that guides in advance mode mappings work table according to foundation error code and guide demand of SGSN.
Step 302:SGSN receiving the PDP context activation request and carrying out APN and select flow processing, and result, for activating refusal, turns step 304; Result is accepted for activating, and continues;
Step 303:SGSN initiates to create the PDP Context demand signalling to GGSN.
Step 304: record the Reason For Denial-error code in APN selection flow processing;
Step 305:SGSN judges whether and need to guide the roamer, turns in this way step 308;
Step 306:SGSN judges whether it is the roamer, as otherwise turn step 308;
Step 307:SGSN sends the PDP context activation rejection signaling to terminal;
Step 308:SGSN obtains error code, resolve with extract the PDP Context demand signalling in be rejected related information and (old) Username field with activation request;
Related information comprises: the IMSI(international mobile subscriber identity), APN, RAT(wireless network access style) etc.
Step 309:, according to error code and refusal related information, search guidance mode mappings work table, select guidance mode, generate guidance information
The guidance information form is: the guidance information 1@guidance information 2@guidance information 3 old Username of@, wherein:
1) guidance information 1, guidance information 2 and guidance information 3 difference corresponding error code, APN and RAT
2) above-mentioned information format is permanent order, if a certain guidance information is empty, information format remains unchanged.For example APN is empty, and guidance information is: the old Username of error code@@RAT@
Step 310:SGSN judges that whether guidance mode is bootable, turns step 312 in this way;
Step 311:SGSN sends the PDP context activation rejection signaling to terminal;
Step 312:SGSN initiates to create the PDP Context request to GGSN, and guidance information is included in the Username field of protocol configuration option (Protocol configuration options).
The upper pre-configured guidance mode mappings work table of SGSN, include but not limited to the message field attributes such as IMSI in demand signalling, APN, RAT in mapping relations; And APN selects flow process to activate refusal to process the error message attributes such as the error code that produces and concrete error reason.The mapping relations equipping rules table of table 1 for using in the embodiment of the present invention.Table 2 is to generate the mapping relations worksheet according to above-mentioned mapping relations equipping rules table in the embodiment of the present invention.
Table 1
Table 2
By above flow process, as shown in Figure 4, it is after activation request is refused that APN selects the flow processing result, and by bootable processing, if need guiding, SGSN initiates to create the PDP Context request to GGSN, and guidance information is included in the Username field; If need not guide, SGSN sends the PDP context activation rejection signaling to terminal; The embodiment of the present invention can realize that the user can in time obtain continuing to be guided when abnormal conditions appear in the online request, improved existing direct refusal mode.
Claims (5)
1. the bootable terminal access method of a mobile communication system, it is characterized in that: selecting the flow processing result at APN APN is after activation request is refused, processing by guidance mode and generation new user name Username field, serving GPRS support node SGSN initiates to comprise the establishment packet data protocol PDP context activation demand signalling of guidance information to gateway support node GGSN, the user is further guided when abnormal conditions appear in the online request; The method specifically comprises:
Serving GPRS support node SGSN is according to the error code of expression Reason For Denial and the configuration that guide demand guides mode mappings work table in advance;
Serving GPRS support node SGSN is when receiving packet data protocol PDP context activation demand signalling and through APN APN, select the flow processing result to be the activation request refusal, obtain and activate error code corresponding to refusal, resolve with extract packet data protocol PDP context activation demand signalling in be rejected related information and username field with activation request; Then search pre-configured described guidance mode mappings work table, select guidance mode, generation is as the new user name field of guidance information, if guidance mode is bootable, further to gateway support node GGSN, initiate to create packet data protocol PDP context activation demand signalling, the condition of further guiding is provided, and described establishment packet data protocol PDP context activation demand signalling comprises new username field and guidance information; If guidance mode, for leading, sends packet data protocol PDP context activation rejection signaling to terminal.
2. the bootable terminal access method of mobile communication system according to claim 1, is characterized in that comprising the steps:
Step 1: serving GPRS support node SGSN guides the configuration of mode mappings work table in advance according to error code and guide demand;
Step 2: serving GPRS support node SGSN is receiving packet data protocol PDP context activation demand signalling and carrying out APN APN and select flow processing, if result turns step 3 for activating refusal; If result is accepted for activating, do not carry out following steps, serving GPRS support node SGSN initiates to create packet data protocol PDP context activation demand signalling to gateway support node GGSN;
Step 3: record error code corresponding to Reason For Denial in APN selection flow processing;
Step 4: SGSN judges whether and need to guide the roamer, turns in this way step 7;
Step 5: SGSN judges whether it is the roamer, as otherwise turn step 7;
Step 6: SGSN sends packet data protocol PDP context activation rejection signaling to terminal;
Step 7: SGSN obtains error code, resolve with extract packet data protocol PDP context activation rejection signaling in be rejected related information and username field with activation request;
Step 8:, according to error code and refusal related information, search guidance mode mappings work table, select guidance mode, generate guidance information;
Step 9: SGSN judges that whether guidance mode is bootable, in this way, turns step 11;
Step 10: SGSN sends packet data protocol PDP context activation rejection signaling to terminal;
Step 11: SGSN initiates to create packet data protocol PDP context activation demand signalling to GGSN, and guidance information is included in the Username field of protocol configuration option.
3. the bootable terminal access method of mobile communication system according to claim 2, is characterized in that the information of the described association of step 7 comprises international mobile subscriber identity, APN, RAT.
4. the bootable terminal access method of mobile communication system according to claim 2, is characterized in that step 8
Described guidance information form is: the guidance information 1@guidance information 2@guidance information 3 old Username of@, wherein:
Guidance information 1, guidance information 2 and guidance information 3 be corresponding error code, APN and RAT respectively;
Above-mentioned information format is permanent order, if a certain guidance information is empty, information format remains unchanged.
5. the bootable accessing terminal to network equipment of a mobile communication system, comprise serving GPRS support node SGSN, it is characterized in that described SGSN comprises:
Resolution unit, when receiving packet data protocol PDP context activation demand signalling and through APN, select the flow processing result for the activation refusal, the error code of record expression Reason For Denial, carry out the parsing of packet data protocol PDP context activation demand signalling, extraction is rejected related information and user name Username field with activation request;
Selected cell,, according to error code and refusal related information, search pre-configured guidance mode mappings work table, selects guidance mode, generates the new Username field as guidance information;
Interface unit, initiate to create packet data protocol PDP context activation demand signalling to GGSN, comprises new Username field in signaling.
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| CN103533528A (en) * | 2013-09-30 | 2014-01-22 | 华为终端有限公司 | Method and terminal for activating PDN (packet data network) |
| WO2016023163A1 (en) * | 2014-08-11 | 2016-02-18 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for access controlling |
| CN111065139B (en) * | 2019-12-31 | 2022-03-25 | 深圳市有方科技股份有限公司 | Method and device for starting up and attaching Internet of things device |
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| EP1655886A1 (en) * | 2003-08-15 | 2006-05-10 | Huawei Technologies Co., Ltd. | A method for processing a request to create the packet data protocol context |
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