CN101959250A - 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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- CN101959250A CN101959250A CN2010105321462A CN201010532146A CN101959250A CN 101959250 A CN101959250 A CN 101959250A CN 2010105321462 A CN2010105321462 A CN 2010105321462A CN 201010532146 A CN201010532146 A CN 201010532146A CN 101959250 A CN101959250 A CN 101959250A
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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 the 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 both provide data service for portable terminal.Below be that example describes with GPRS.
As shown in Figure 1, be the schematic diagram of a kind of mobile terminal Internet access use data service of GPRS communication system prior art.Wherein GPRS serving GPRS support node SGSN is that GPRS network realizes that the move mode grouping inserts and the new equipment of introducing, mainly comprises functions such as authentication and encryption, session management, mobile management; It mainly acts on is exactly the current location information that writes down portable terminal, and finishes the transmission and the reception of mobile packet data between travelling carriage and SGSN.
The GPRS terminal generally needs to set in advance APN(Access Point Name as desiring to carry out the wireless mode online on terminal) 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; PDP Context inter-process flow process was set up in startup after SGSN received " PDP context activation request " signaling message, 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 handled according to this flow process standard.Consult Fig. 2, if APN selects flow process standard result for passing through then to GGSN continuation initiation " PDP Context request to create " signaling; If APN selects flow process standard result for refusal then directly to terminal answer " PDP context activation refusal " signaling, thereby the online request of refusal terminal.
Though " PDP context activation refusal " signaling message that terminal is received has comprised error code, layer receives and utilization but because this error code can not be employed, the error code of considerable part is careful inadequately, therefore activating under the unaccepted abnormal conditions of request, terminal and/or user can not obtain the effective information prompting and guide; These abnormal conditions comprise at least:
1. terminal is used wrong APN and the PDP that causes activates refusal, owing to lack 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 lack information indicating, can't guide the user initiatively to carry out the APN registration earlier.
Similar conditions of demand also have a lot.
The traditional approach that this abnormal conditions lack the effective information prompting and guide uses business of networking to bring inconvenience to the user easily and perception is misread; The unsuccessful operation of activation request repeatedly simultaneously forms extra invalid load to network.
Summary of the invention
The objective 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, make the user when abnormal conditions appear in the PDP context activation request, can in time obtain guiding.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, this method selects the flow processing result for after activating the request refusal at APN APN, processing by guidance mode and generation new Username (user name) field, serving GPRS support node SGSN makes the user further obtain guiding when abnormal conditions appear in the online request to the establishment packet data protocol PDP context activation demand signalling that gateway support node GGSN initiates to comprise guidance information.
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 of guiding demand channeling conduct mode in advance mappings work table;
SGSN is when activating the request refusal receiving the request of packet data protocol PDP context activation and selecting the flow processing result through APN APN, obtain and activate the corresponding error code of refusal, resolve with extract packet data protocol PDP Context demand signalling in activate request and be rejected related information and username field; Search pre-configured described guidance mode mappings work table then, select guidance mode, generation is as the new user name field of guidance information, if guidance mode is bootable, then further initiate to create packet data protocol PDP context activation demand signalling to gateway support node GGSN, the condition of further guiding is provided, and described signaling comprises new username field and guidance information; If guidance mode for leading, then sends the PDP context activation refusal to terminal.
The bootable terminal access method of above-mentioned mobile communication system specifically comprises the steps:
Step 1: serving GPRS support node SGSN is according to the configuration of error code and guiding demand channeling conduct mode in advance mappings work table;
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 is then changeed step 3 for activating refusal; If result is accepted for activating, then serving GPRS support node SGSN initiates to create packet data protocol PDP Context demand signalling to gateway support node GGSN;
Step 3: record APN selects the error code of the Reason For Denial correspondence in the flow processing;
Step 4: SGSN judges whether and need then change step 7 in this way to roamer's channeling conduct;
Step 5: SGSN judges whether it is the roamer, as otherwise change 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 activate request and be rejected related information and username field;
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, then changes 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, receiving the PDP context activation request and selecting the flow processing result through APN is when activating refusal, the error code of record expression Reason For Denial activates the demand signalling parsing, extracts and activates request and is rejected related information and Username field;
Selected cell according to error code and refusal related information, is searched pre-configured guidance mode mappings work table, selects guidance mode, generates the new Username field as guidance information;
Interface unit initiates to create the PDP context activation demand signalling to GGSN, comprises new Username field in the signaling.The last configuration of SGSN according to error code and guiding demand channeling conduct mode in advance mappings work table.
The present invention is by selecting the flow processing result for after the activation request refusal at APN, processing by guidance mode and the new Username field of generation, further initiate to comprise the establishment PDP context activation demand signalling of new Username, realize that the user can further obtain guiding when abnormal conditions appear in the online request to GGSN; Compared with prior art, the present invention has following technique effect:
1. terminal is used wrong APN and the PDP that causes activates refusal, SGSN is directly replied activate rejection signaling and be improved to establishment PDP context activation demand signalling from guidance information to GGSN that further initiate to comprise, 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 be improved to the establishment PDP context activation demand signalling that further comprises guidance information to the GGSN initiation, the guiding user initiatively registers APN earlier and carries out the business use again.
3. the traditional approach that existing abnormal conditions lack the effective information prompting and guide uses business of networking to bring inconvenience to the user easily and perception is misread; The unsuccessful operation of activation request repeatedly simultaneously forms extra invalid load to network, and the present invention can make user's business of networking more convenient to use, reduces the load of network simultaneously, improves the utilance of network.
Description of drawings
The data service schematic diagram is used in the online of Fig. 1 prior art GPRS terminal.
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 handles 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 thereto.
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 the corresponding error code of refusal, resolve with extract the PDP Context demand signalling in activate request and be rejected related attribute information and Username field.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, replenish the new Username field that the Username field is formed the expression guidance information simultaneously.Described SGSN comprises interface unit 5013, initiates to create the PDP context activation demand signalling to GGSN, 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, may further comprise the steps:
Step 301:SGSN goes up configuration guidance mode mappings work table (as table 2)
The last configuration of SGSN according to foundation error code and guiding demand channeling conduct mode in advance mappings work table.
Step 302:SGSN is receiving the PDP context activation request and is carrying out APN and select flow processing that result is then changeed step 304 for activating refusal; Result is accepted for activating, and then continues;
Step 303:SGSN initiates to create the PDP Context demand signalling to GGSN.
Step 304: record APN selects the Reason For Denial-error code in the flow processing;
Step 305:SGSN judges whether and need then change step 308 in this way to roamer's channeling conduct;
Step 306:SGSN judges whether it is the roamer, as otherwise change 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 activate request and be rejected related information and (old) Username field;
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 old Username of guidance information 1@ guidance information 2@ guidance information 3@, 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 a permanent order, if a certain guidance information is empty, information format remains unchanged.For example APN is empty, and then guidance information is: the old Username of Cuo Wudaima @@RAT@
Step 310:SGSN judges that whether guidance mode is bootable, changes 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 last pre-configured guidance mode mappings work table of SGSN includes but not limited to message field attributes such as IMSI in the demand signalling, APN, RAT in the mapping relations; And APN selects flow process to activate refusal to handle 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 invention.Table 2 is to generate the mapping relations worksheet according to above-mentioned mapping relations equipping rules table in the embodiment of the invention.
Table 1
Table 2
By above flow process, as shown in Figure 4, APN selects the flow processing result for after the activation request refusal, and by bootable processing, if need guiding, SGSN creates the PDP Context request to the GGSN initiation, 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 invention can realize that the user can in time obtain continuing to obtain guiding, has improved existing direct refusal mode when abnormal conditions appear in the online request.
Claims (6)
1. the bootable terminal access method of a mobile communication system, it is characterized in that: select the flow processing result for after activating the request refusal at APN APN, processing by guidance mode and the new Username field of generation, serving GPRS support node SGSN makes the user further obtain guiding when abnormal conditions appear in the online request to the establishment packet data protocol PDP context activation demand signalling that gateway support node GGSN initiates to comprise guidance information.
2. the bootable terminal access method of mobile communication system according to claim 1 is characterized in that specifically comprising:
Gateway support node SGSN is according to the error code of expression Reason For Denial and the configuration of guiding demand channeling conduct mode in advance mappings work table;
SGSN is when activating the request refusal receiving the request of packet data protocol PDP context activation and selecting the flow processing result through APN APN, obtain and activate the corresponding error code of refusal, resolve with extract packet data protocol PDP Context demand signalling in activate request and be rejected related information and username field; Search pre-configured described guidance mode mappings work table then, select guidance mode, generation is as the new user name field of guidance information, as crossing guidance mode is bootable, then further initiate to create packet data protocol PDP context activation demand signalling to gateway support node GGSN, the condition of further guiding is provided, and described signaling comprises new username field and guidance information; If guidance mode for leading, then sends the PDP context activation refusal to terminal.
3. 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 is according to the configuration of error code and guiding demand channeling conduct mode in advance mappings work table;
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 is then changeed step 3 for activating refusal; If result is accepted for activating, then do not carry out following steps, serving GPRS support node SGSN initiates to create packet data protocol PDP Context demand signalling to gateway support node GGSN;
Step 3: record APN selects the error code of the Reason For Denial correspondence in the flow processing;
Step 4: SGSN judges whether and need then change step 7 in this way to roamer's channeling conduct;
Step 5: SGSN judges whether it is the roamer, as otherwise change 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 activate request and be rejected related information and username field;
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, then changes 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.
4. the bootable terminal access method of mobile communication system according to claim 3 is characterized in that the information of the described association of step 7 comprises international mobile subscriber identity, APN, RAT.
5. the bootable terminal access method of mobile communication system according to claim 3 is characterized in that step 8
Described guidance information form is: the old Username of guidance information 1@ guidance information 2@ guidance information 3@, wherein:
Guidance information 1, guidance information 2 and guidance information 3 be corresponding error code, APN and RAT respectively;
Above-mentioned information format is a permanent order, if a certain guidance information is empty, information format remains unchanged.
6. the bootable accessing terminal to network equipment of a mobile communication system comprises serving GPRS support node SGSN, it is characterized in that described SGSN comprises:
Resolution unit, receiving the PDP context activation request and selecting the flow processing result through APN is when activating refusal, the error code of record expression Reason For Denial activates the demand signalling parsing, extracts and activates request and is rejected related information and Username field;
Selected cell according to error code and refusal related information, is searched pre-configured guidance mode mappings work table, selects guidance mode, generates the new Username field as guidance information;
Interface unit initiates to create the PDP context activation demand signalling to GGSN, comprises new Username field in the signaling.
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| CN103220372A (en) * | 2012-01-19 | 2013-07-24 | 中国移动通信集团公司 | Data service access method and system |
| 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) |
| CN106576286A (en) * | 2014-08-11 | 2017-04-19 | 瑞典爱立信有限公司 | Method and apparatus for access controlling |
| CN111065139A (en) * | 2019-12-31 | 2020-04-24 | 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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| CN103220372A (en) * | 2012-01-19 | 2013-07-24 | 中国移动通信集团公司 | Data service access method and system |
| CN103220372B (en) * | 2012-01-19 | 2016-08-10 | 中国移动通信集团公司 | Data service access method and system |
| 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) |
| CN106576286A (en) * | 2014-08-11 | 2017-04-19 | 瑞典爱立信有限公司 | Method and apparatus for access controlling |
| CN106576286B (en) * | 2014-08-11 | 2020-07-21 | 瑞典爱立信有限公司 | Method and apparatus for access control |
| CN111065139A (en) * | 2019-12-31 | 2020-04-24 | 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 |
| 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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| CN101959250B (en) | 2013-11-13 |
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