CN101098510B - Method for implementing packet domain end-to-end service - Google Patents
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Abstract
The invention discloses a method for realizing group domain end-to-end service, which comprises that when builds a group data transmission channel, using MSISDN to mark user, and using end-to-end service indication mark to mark end-to-end service, local SGSN according to MSISDN number inquires SGSN address of opposite end in HLR, building data transmission channel between local MS, local SGSN, opposite MS or opposite SGSN, to process end-to-end data transmission. The invention modifies 3GPP protocol, to realize group domain end-to-end service without static IP address at opposite end, to reduce unnecessary process and network time delay, to confirm service quality.
Description
Technical field
The present invention relates to a kind of mobile radio communication (GSM/UMTS) technology, specifically, relate to a kind of method that realizes packet domain end-to-end service.
Background technology
Along with the progress of mechanics of communication with numeral science and technology, mobile phone products has become necessary article indispensable in people's daily life, GPRS and 3G technology have been strengthened the function of action network, furnish us with whenever and wherever possible the service of surfing the Net, capturing abundant in content amusement and recreation, Query Information and be engaged in the action ecommerce, and need not lean on large-scale and heavy machines such as personal computer or television set.The user only need see through one and support the GPRS/3G mobile phone, no matter is in any place, any time, during any information service of the acquisition of can both surfing the Net.
In the 3GPP agreement, for the packet switching related service, as online, business such as FTP download, close the business between injection terminal and the service device, along with the application of 3G technology more and more widely, to the high-speed data service demand is also more and more stronger end to end, among the 3GPP,, can only not realize, realize by circuit domain such as video telephone by other means at the agreement of end-to-end Packet Service, but because the restriction of circuit domain code rate is difficult to realize high-speed data service by circuit domain.In the 3GPP existing protocol, data transmission channel in bearer network can only be based upon travelling carriage (MS, Mobile Station) and GGSN (GGSN, Gateway GPRS Support Node) between, data service end to end just can only be carried out at the branch two ends, behind GGSN, the mode that activates by network side is set up the data transmission channel between GGSN and the receiving terminal MS again in transfer of data.
Carry out network side and activate, require MS must have static address just may obtain the IMSI of MS, in transfer of data, will can realize producing a very large impact service quality evaluation (QoS) through a lot of redundant routes.
Summary of the invention
Technical problem solved by the invention provides a kind of method that realizes packet domain end-to-end service, does not need the opposite end that static ip address is arranged, and reduces unnecessary processing and reduces network delay, guarantees quality of service.
Technical scheme is as follows:
Realize the method for packet domain end-to-end service, step is as follows:
(1) when setting up the packet data transmission passage, use the MSISDN identifying user, use the teleservice Warning Mark to identify teleservice simultaneously;
(2) local terminal SGSN inquires about the SGSN address at place, opposite end according to Mobile Subscriber International ISDN Number in HLR;
(3) between local terminal SGSN and the opposite end SGSN, between local terminal MS and the local terminal SGSN and set up data transmission channel between opposite end MS and the opposite end SGSN, be used to carry out transfer of data end to end.
Further, step (1) is specially: local terminal MS is when initiating teleservice, activate in the request at PDP, increase Peer MSISDN field and teleservice Warning Mark, described teleservice Warning Mark is used to notify the SGSN mobile phone to initiate teleservice, described Peer MSISDN is the ISDN number of receiving terminal MS, and coded system adopts Mobile Subscriber International ISDN Number notice SGSN.
Further, step (2) is specially:
(21) local terminal SGSN analyzes the HLR address of opposite end MS registration according to the Mobile Subscriber International ISDN Number of opposite end MS, parse the number of HLR, send the routing iinformation request to HLR, comprise Mobile Subscriber International ISDN Number in the described routing iinformation request, described Mobile Subscriber International ISDN Number is as the sign of opposite end MS;
(22) after HLR receives described routing iinformation request, by the IMSI number of Mobile Subscriber International ISDN Number inquiry opposite end MS and the SGSN address of current registration.
Further, in the step (22), when the IMSI number of HLR inquiry less than opposite end MS, perhaps do not have SGSN address, effective opposite end, HLR returns failure and gives local terminal SGSN, the flow process failure.
Further, in the step (3): when opposite end MS and local terminal MS register, between local terminal and opposite end SGSN, set up GTP tunnel in same SGSN, between local terminal MS and local terminal SGSN, set up the Data-carrying passage; Local terminal SGSN notifies local terminal MS to activate successfully, increases the teleservice indication in activating reception message, carries out transfer of data end to end after foundation is finished.
Further, step (3) is specially:
(311) behind SGSN address that inquires opposite end MS and IMSI, local terminal SGSN obtains SGSN address, opposite end and opposite end SGSN number from HLR, compares with local terminal SGSN number and address then, judges opposite end MS and local terminal MS registers in same SGSN; After MS was in the Connected state, opposite end SGSN notice opposite end MS initiated to activate request, increases the end to end services sign in the request message, after opposite end MS finds to be end to end services, ignores the MS address field;
(312) opposite end MS initiates to activate request, uses the NSAPI that distributes;
(313) after the success of PDP activation, send activation to opposite end MS and receive message, receiving in described activation increases the teleservice indication in the message, and the MS judgement is a teleservice, the pdp address field is not resolved;
(314) opposite end SGSN notice local terminal SGSN creates the context success, and the GTP tunnel between the SGSN is set up and finished;
(315) the Data-carrying passage between establishment local terminal MS and the local terminal SGSN;
(316) local terminal SGSN notice local terminal MS activates successfully, increases the teleservice indication in activating reception message, and it is teleservice that MS judges, the pdp address field is not resolved, and sets up to finish and can carry out transfer of data end to end.
Further, in the step (3): when opposite end MS and local terminal MS do not register in same SGSN, between local terminal and opposite end SGSN, set up GTP tunnel, between opposite end MS and opposite end SGSN, set up the Data-carrying passage, between local terminal MS and local terminal SGSN, set up the Data-carrying passage; Local terminal SGSN notifies local terminal MS to activate successfully, increases the teleservice indication in activating reception message, carries out transfer of data end to end after foundation is finished.
Further, step (3) is specially:
(321) local terminal SGSN initiates to create the PDP Context request to opposite end SGSN, increases the end to end services sign in the standard agreement field; Opposite end SGSN creates PDP Context after receiving and creating the PDP Context request, sets up the GTP tunnel of transfer of data;
(322) after MS is in the Connected state, opposite end SGSN notice opposite end MS initiates to activate request, and activating increases the end to end services sign in the request message, and opposite end MS ignores the MS address field after finding to be end to end services;
(323) opposite end MS initiates to activate request, uses the NSAPI that distributes;
(324) set up data transmission channel between opposite end MS and the opposite end SGSN;
(325) after the success of PDP activation, send activation to opposite end MS and receive message, receiving in described activation increases the teleservice indication in the message, when MS judgement in opposite end is teleservice, the pdp address field is not resolved;
(326) opposite end SGSN notice local terminal SGSN creates the context success, and the GTP tunnel between the SGSN is set up and finished;
(327) the Data-carrying passage between establishment local terminal MS and the local terminal SGSN;
(328) local terminal SGSN notifies local terminal MS to activate successfully, increases the teleservice indication in activating reception message, when local terminal MS judgement is teleservice, the pdp address field is not resolved.
Further, in the step (3), when opposite end MS state is not Connected, need carry out paging to opposite end MS, if paging failure, operation failure.
Further, in the step (3),, then refuse to activate when opposite end MS does not support the activation that teleservice or non-network enabled side is initiated.
The present invention transforms by the 3GPP agreement, does not need the opposite end to have static ip address just can realize packet domain end-to-end service, thereby has reduced unnecessary processing and network delay, has guaranteed quality of service.
Description of drawings
Fig. 1 is a schematic diagram of setting up data channel;
Fig. 2 is the flow chart of technical solution of the present invention during registration in same SGSN of local terminal MS and opposite end MS;
Fig. 3 is the flow chart of local terminal MS and opposite end MS technical solution of the present invention when registering in same SGSN.
Embodiment
With reference to the accompanying drawings, the preferred embodiment to the method that realizes packet domain end-to-end service is described in detail.
As shown in Figure 1, realize transfer of data, need between local terminal MS, local terminal SGSN, opposite end MS, opposite end SGSN, set up data transmission channel.
As shown in Figure 2, the method step of realization packet domain end-to-end service is as follows:
1, when setting up the packet data transmission passage, use the MSISDN identifying user, use the teleservice Warning Mark to identify teleservice simultaneously.
Step S201:MS[mo] when initiating teleservice, activate increase Peer MSISDN field and teleservice Warning Mark in the request (Activate PDPcontext request) at PDP, the teleservice Warning Mark is used for notification service GPRS Support Node (SGSN, Serving GPRS SupportNode) mobile phone is initiated teleservice, Peer MSISDN is the ISDN number of receiving terminal MS, and coded system adopts Mobile Subscriber International ISDN Number notice SGSN.
2, local terminal SGSN inquires about the SGSN address at place, opposite end according to Mobile Subscriber International ISDN Number in HLR.
Step S202:SGSN[mo] according to MS[mt] Mobile Subscriber International ISDN Number analyze MS[mt] attaching position register (HLR, the Home Location Register) address of registration.After correctly parsing the number of HLR, to HLR request MS[mt] the SGSN address of current registration, in the routing iinformation request, increase MSISDN as MS[mt] sign, be not with international mobile subscriber identification (IMSI, IternationalMobile Subscriber Identity) field.Mo represents local terminal, and mt represents the opposite end.
If can not the correct analysis HLR number, the operating process failure.
After step S203:HLR receives the routing iinformation request, by Mobile Subscriber International ISDN Number inquiry MS[mt] the IMSI number and the SGSN address of current registration.
If can not find MS[mt] the IMSI number or do not have effective SGSN address (mobile phone in SGSN, register), HLR returns failure and gives SGSN[mo], the flow process failure.
3, between local terminal MS, local terminal SGSN, opposite end MS or opposite end SGSN, set up data transmission channel, be used to carry out transfer of data end to end.
Step S204: when inquiring SGSN[mt] behind address and the IMSI, SGSN[mo] to SGSNM[mt] initiate to create the PDP Context request, in the standard agreement field, increase the end to end services sign.
SGSN[mt] receive create the PDP Context request after, detecting is end to end services, creates the PDP context, sets up the GTP tunnel of transfer of data.
Step S205: after MS is in the Connected state, SGSN[mt] notice MS[mt] initiate to activate request, activating increases end to end services sign, MS[mt in the request message] find to be end to end services after, ignore the MS address field.
As MS[mt] when state is not Connected, need be to MS[mt] carry out paging, if paging failure, operation failure.
Step S206:MS[mt] initiate to activate request, use the Network layer Service Access Point Identifier (NSAPI, Network-layer Service Access Point Identifier) that distributes among the step S25.
If MS[mt] do not support the activation that teleservice or non-network enabled side is initiated, then refusal activates.
Step S207: set up MS[mt] and SGSN[mt] between data transmission channel, SGSN[mt] find to be end to end services after, do not carry out and GGSN between GTP tunnel set up process.
After the step S208:PDP activation success, to MS[mt] send to activate and receive, increase teleservice indication, MS[mt in the message activating to receive] and judge it is teleservice, the pdp address field is not resolved.
Step S209:SGSN[mt] notice SGSN[mo] create the context success, the GTP tunnel between the SGSN is set up and is finished.
Step S210: create MS[mo] and SGSN[mo] between the Data-carrying passage.
Step S211:SGSN[mo] notice MS[mo] activate successfully, accept to increase in the message teleservice indication, MS[mo in activation] and judge it is teleservice, the pdp address field is not resolved.
After data channel foundation is finished, just can carry out transfer of data end to end.
If among the last step S204, obtain SGSN[mt from HLR] address and SGSN[mt] behind the number, and SGSN[mo] number compare, if SGSN[mt] with SGSN[mo] address, number identical, can judge MS[mo] and MS[mt] in same SGSN, register, handling process can be simplified.
As shown in Figure 3,
The method step of the realization packet domain end-to-end service after the simplification is as follows:
1, when setting up the packet data transmission passage, use the MSISDN identifying user, use the teleservice Warning Mark to identify teleservice simultaneously.
Step S301:MS[mo] when initiating teleservice, in Activate PDP context request, increase Peer MSISDN field and teleservice Warning Mark, the teleservice Warning Mark is used to notify the SGSN mobile phone to initiate teleservice, Peer MSISDN is the ISDN number of receiving terminal MS, and coded system adopts Mobile Subscriber International ISDN Number notice SGSN.
2, local terminal SGSN inquires about the SGSN address at place, opposite end according to Mobile Subscriber International ISDN Number in HLR.
Step S302:SGSN[mo] according to MS[mt] Mobile Subscriber International ISDN Number analyze MS[mt] attaching position register (HLR, the Home Location Register) address of registration.After correctly parsing the number of HLR, to HLR request MS[mt] the SGSN address of current registration, in the routing iinformation request, increase MSISDN as MS[mt] sign, be not with international mobile subscriber identification (IMSI, IternationalMobile Subscriber Identity) field.Mo represents local terminal, and mt represents the opposite end.
If can not the correct analysis HLR number, the operating process failure.
After step S303:HLR receives the routing iinformation request, by Mobile Subscriber International ISDN Number inquiry MS[mt] the IMSI number and the SGSN address of current registration.
If can not find MS[mt] the IMSI number or do not have effective SGSN address (mobile phone in SGSN, register), HLR returns failure and gives SGSN[mo], the flow process failure.
3, between local terminal MS, local terminal SGSN, opposite end MS or opposite end SGSN, set up data transmission channel, be used to carry out transfer of data end to end.
Step S304: inquire SGSN[mt] behind address and the IMSI, SGSN[mo] obtain SGSN[mt from HLR] address and SGSN[mt] number, and SGSN[mo] oneself number and address compare, and judges MS[mt] and MS[mo] in same SGSN, register.
Then, judge MS[mt] state, after MS is in the Connected state, SGSN[mt] notice MS[mt] initiate to activate request, activating increases end to end services sign, MS[mt in the request message] find to be end to end services after, ignore the MS address field.When the MS state is not Connected, need carry out paging to MS, if paging failure, operation failure.
Step S305:MS[mt] initiate to activate request, use the NSAPI that distributes among the step S304, if MS[mt] and do not support the activation that teleservice or non-network enabled side is initiated, then refusal activates.
After the success of step S306:PDP activation, to MS[mt] send and activate reception message, receiving in activation increases the teleservice indication in the message.As MS[mt] judge when being teleservice, the pdp address field is not resolved.
Step S307:SGSN[mt] notice SGSN[mo] create the context success, the GTP tunnel between the SGSN is set up and is finished.
Step S308: create MS[mo] and SGSN[mo] between the Data-carrying passage.
Step S309:SGSN[mo] notice MS[mo] activate successfully, in activating reception message, increase the teleservice indication, MS[mo] and judge it is teleservice, the pdp address field is not resolved.
After data channel foundation is finished, just can carry out transfer of data end to end.
In sum, transform, do not need the opposite end to have static ip address just can realize packet domain end-to-end service, thereby reduced unnecessary processing and network delay by the 3GPP agreement.
Claims (10)
1. method that realizes packet domain end-to-end service, step is as follows:
(1) when setting up the packet data transmission passage, local terminal MS initiates teleservice, activate in the request at PDP, increase Peer MSISDN field and professional end to end Warning Mark, described PeerMSISDN is the ISDN number of receiving terminal MS, use the MSISDN identifying user, use the teleservice Warning Mark to identify teleservice simultaneously;
(2) local terminal SGSN inquires about the SGSN address at place, opposite end according to Mobile Subscriber International ISDN Number in HLR;
(3) between local terminal SGSN and the opposite end SGSN, between local terminal MS and the local terminal SGSN and set up data transmission channel between opposite end MS and the opposite end SGSN, be used to carry out transfer of data end to end.
2. the method for realization packet domain end-to-end service according to claim 1, it is characterized in that, step (1) is specially: local terminal MS is when initiating teleservice, activate in the request at PDP, increase Peer MSISDN field and teleservice Warning Mark, described teleservice Warning Mark is used to notify the SGSN mobile phone to initiate teleservice, and described Peer MSISDN is the ISDN number of receiving terminal MS, and coded system adopts Mobile Subscriber International ISDN Number notice SGSN.
3. the method for realization packet domain end-to-end service according to claim 1 is characterized in that, step (2) is specially:
(21) local terminal SGSN analyzes the HLR address of opposite end MS registration according to the Mobile Subscriber International ISDN Number of opposite end MS, parse the number of HLR, send the routing iinformation request to HLR, comprise Mobile Subscriber International ISDN Number in the described routing iinformation request, described Mobile Subscriber International ISDN Number is as the sign of opposite end MS;
(22) after HLR receives described routing iinformation request, by the IMSI number of Mobile Subscriber International ISDN Number inquiry opposite end MS and the SGSN address of current registration.
4. the method for realization packet domain end-to-end service according to claim 3 is characterized in that, in the step (22), when the IMSI number of HLR inquiry less than opposite end MS, perhaps do not have SGSN address, effective opposite end, HLR returns failure and gives local terminal SGSN, the flow process failure.
5. the method for realization packet domain end-to-end service according to claim 1, it is characterized in that, in the step (3): when opposite end MS and local terminal MS register, between local terminal and opposite end SGSN, set up GTP tunnel in same SGSN, between local terminal MS and local terminal SGSN, set up the Data-carrying passage; Local terminal SGSN notifies local terminal MS to activate successfully, increases the teleservice indication in activating reception message, carries out transfer of data end to end after foundation is finished.
6. the method for realization packet domain end-to-end service according to claim 5 is characterized in that, step (3) is specially:
(311) behind SGSN address that inquires opposite end MS and IMSI, local terminal SGSN obtains SGSN address, opposite end and opposite end SGSN number from HLR, compares with local terminal SGSN number and address then, judges opposite end MS and local terminal MS registers in same SGSN; After MS was in the Connected state, opposite end SGSN notice opposite end MS initiated to activate request, increases the end to end services sign in the request message, after opposite end MS finds to be end to end services, ignores the MS address field;
(312) opposite end MS initiates to activate request, uses the NSAPI that distributes;
(313) after the success of PDP activation, send activation to opposite end MS and receive message, receiving in described activation increases the teleservice indication in the message, and the MS judgement is a teleservice, the pdp address field is not resolved;
(314) opposite end SGSN notice local terminal SGSN creates the context success, and the GTP tunnel between the SGSN is set up and finished;
(315) the Data-carrying passage between establishment local terminal MS and the local terminal SGSN;
(316) local terminal SGSN notice local terminal MS activates successfully, increases the teleservice indication in activating reception message, and it is teleservice that MS judges, the pdp address field is not resolved, and sets up to finish and can carry out transfer of data end to end.
7. the method for realization packet domain end-to-end service according to claim 1, it is characterized in that, in the step (3): when opposite end MS and local terminal MS do not register in same SGSN, between local terminal and opposite end SGSN, set up GTP tunnel, between opposite end MS and opposite end SGSN, set up the Data-carrying passage, between local terminal MS and local terminal SGSN, set up the Data-carrying passage; Local terminal SGSN notifies local terminal MS to activate successfully, increases the teleservice indication in activating reception message, carries out transfer of data end to end after foundation is finished.
8. the method for realization packet domain end-to-end service according to claim 7 is characterized in that, step (3) is specially:
(321) local terminal SGSN initiates to create the PDP Context request to opposite end SGSN, increases the end to end services sign in the standard agreement field; Opposite end SGSN creates PDP Context after receiving and creating the PDP Context request, sets up the GTP tunnel of transfer of data;
(322) after MS is in the Connected state, opposite end SGSN notice opposite end MS initiates to activate request, and activating increases the end to end services sign in the request message, and opposite end MS ignores the MS address field after finding to be end to end services;
(323) opposite end MS initiates to activate request, uses the NSAPI that distributes;
(324) set up data transmission channel between opposite end MS and the opposite end SGSN;
(325) after the success of PDP activation, send activation to opposite end MS and receive message, receiving in described activation increases the teleservice indication in the message, when MS judgement in opposite end is teleservice, the pdp address field is not resolved;
(326) opposite end SGSN notice local terminal SGSN creates the context success, and the GTP tunnel between the SGSN is set up and finished;
(327) the Data-carrying passage between establishment local terminal MS and the local terminal SGSN;
(328) local terminal SGSN notifies local terminal MS to activate successfully, increases the teleservice indication in activating reception message, when local terminal MS judgement is teleservice, the pdp address field is not resolved.
9. the method for realization packet domain end-to-end service according to claim 1 is characterized in that, in the step (3), when opposite end MS state is not Connected, need carry out paging to opposite end MS, if paging failure, operation failure.
10. the method for realization packet domain end-to-end service according to claim 1 is characterized in that, in the step (3), when opposite end MS does not support the activation that teleservice or non-network enabled side is initiated, then refuses to activate.
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| CN1859756A (en) * | 2005-12-14 | 2006-11-08 | 华为技术有限公司 | Method for obtaining mobile user comprehensive service digital net number |
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| CN1620048A (en) * | 2003-11-19 | 2005-05-25 | 华为技术有限公司 | Selection method of gateway sapporting node in universal pocket wireless business |
| CN1859756A (en) * | 2005-12-14 | 2006-11-08 | 华为技术有限公司 | Method for obtaining mobile user comprehensive service digital net number |
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