CN104284443A - Method for synchronizing PDP state and network side device - Google Patents
Method for synchronizing PDP state and network side device Download PDFInfo
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- CN104284443A CN104284443A CN201310277027.0A CN201310277027A CN104284443A CN 104284443 A CN104284443 A CN 104284443A CN 201310277027 A CN201310277027 A CN 201310277027A CN 104284443 A CN104284443 A CN 104284443A
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- pdp
- state
- terminal
- service request
- network equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/18—Management of setup rejection or failure
Abstract
The invention provides a method for synchronizing a PDP state and a network side device. The method includes the steps that a service request sent by a terminal is received, wherein the service request carries the PDP state of the terminal; whether the PDP state in the service request is an activated state or not is judged and if yes, RAB connection of a user plane is directly established; if the PDP state in the service request is a deactivated state and a PDP state locally stored in the network side device is the activated state, the PDP state locally stored is synchronized to the PDP state of the terminal, and the PDP state locally stored and the PDP state of the terminal are identical. According to the scheme, the problem that RAB connection establishment fails due to non-synchronization of the PDP states of the terminal and a core network side can be solved.
Description
Technical field
The present invention relates to communication technical field, refer to a kind of synchronous method and network equipment of PDP state especially.
Background technology
Along with the development of 3G network, intelligent terminal are increasingly universal, user has more and more realized the facility that 3G network high speed Internet access brings, PS(divides into groups) business sharply increases, but due to terminal problem, network performance problems and terminal, to coordinate produced problem to cause PS business to go wrong with network more, have impact on the use perception of network performance and user.
Because many reasons may cause the nonsynchronous phenomenon of PDP state of terminal and core net to occur, such as: the unexpected power down of terminal, the states such as PDP can disappear; Mobile phone is initiated Deactivate PDP context Request(and is removed PDP Context request) in process because the reason of wireless coverage causes without response, 4 times retry still then deletes current PDP data (referring to the 6.1.3.4.3 of 3GPP TS24.008) without responding.After these situations occur, terminal will be in deactivation status (Inactive State), and core-network side is still in state of activation (Active State) for the PDP state of terminal.In this case, when GGSN has downlink data to transmit, carry out RAB establishment of connection after paging to user, but terminal receives radio bearer setup(radio bearer to be set up) think that the foundation carrying out radio bearer under the state of PDP deexcitation is invalid and cause setting up unsuccessfully after message.
The asynchronous Rb(radio bearer caused of PDP state) set up unsuccessfully, if there is UE(terminal), SGSN(GPRS service node) with GGSN(Gateway GPRS Support Node) PDP state inconsistent, PS business will be caused to set up, such problem is more hidden, accurate analysis location is difficult in problem analysis at ordinary times, also there is no the processing method of such problem at present, have larger impact to the use perception of network performance and user.And just in TD-SCDMA network, there is not such problem, in the network of the standards such as WCDMA, have the generation of such problem equally.
At present failure problem is set up for this Terminal Type Rb of causing asynchronous with core net PDP state and also there is no ripe solution.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of synchronous method and network equipment of PDP state, can solve the terminal RB that cause asynchronous with core net PDP state and set up failure problem.
For solving the problems of the technologies described above, embodiments of the invention provide a kind of synchronous method of PDP state, comprising:
The service request that receiving terminal sends, wherein, the PDP state of described service request carried terminal;
Judge whether the PDP state in described service request is state of activation, and the carrying RAB if so, then directly setting up user plane connects;
If the PDP state in described service request is deactivation status, and the PDP state that network equipment this locality is preserved is state of activation, then the PDP state that described this locality is preserved is carried out synchronous with the PDP state of terminal, make the local PDP state of preservation and the PDP state consistency of terminal.
Wherein, the PDP state that described this locality is preserved is carried out synchronous step with the PDP state of terminal to comprise:
The PDP status modifier that this locality is preserved by network equipment is deactivation status, makes the local PDP state of preservation and the PDP state consistency of terminal.
Wherein, the PDP status modifier that this locality is preserved by network equipment is that the step of deactivation status comprises:
GPRS serving GPRS support node SGSN in network equipment sends the removal request of the local PDP Context preserved to gateway service support node GGSN;
Described SGSN receives the deletion response message that described GGSN returns;
Described SGSN sends Iu to radio network controller (RNC) and carries release command;
Described SGSN receives the Iu carrying Release complete that described RNC sends.
Wherein, described SGSN also comprises after receiving the Iu carrying Release complete of described RNC transmission:
Described RNC sends the order of the connection between release and terminal to terminal;
Described RNC receives the Connection Release that described terminal returns and completes message.
Wherein, the PDP state that described this locality is preserved is carried out synchronous step with the PDP state of terminal to comprise:
The PDP status modifier of terminal is state of activation by network equipment, makes the local PDP state of preservation and the PDP state consistency of terminal.
Wherein, the step that the PDP status modifier of terminal is state of activation comprises by network equipment:
SGSN in network equipment sends to GGSN and upgrades PDP Context request;
Described SGSN receives the response that described GGSN upgrades PDP Context request;
Described SGSN sends the request of amendment PDP Context to terminal;
Described SGSN receives described terminal modifications PDP Context and completes message.
Wherein, receiving terminal send service request step before also comprise:
When GGSN in network equipment has a data distributing, call terminal is carried out to terminal issuing page message by SGSN, make terminal start to set up radio resource control RRC to connect, and service request is sent to network equipment after RRC has connected, wherein, the PDP state of carried terminal in described service request.
Embodiments of the invention also provide a kind of network equipment, comprising:
Receiver module, for the service request that receiving terminal sends, wherein, the PDP state of described service request carried terminal;
Processing module, for judging whether the PDP state in described service request is state of activation, and the carrying RAB if so, then directly setting up user plane connects; If the PDP state in described service request is deactivation status, and local PDP state of preserving is state of activation, then carry out synchronous by the PDP state that described this locality is preserved with the PDP state of terminal, the PDP state that this locality is preserved and the PDP state consistency of terminal.
Wherein, the PDP status modifier that this locality is preserved by network equipment is deactivation status or is state of activation by the PDP status modifier of terminal, makes the local PDP state of preservation and the PDP state consistency of terminal.
Wherein, above-mentioned network equipment also comprises:
Sending module, for carrying out call terminal to terminal issuing page message, making terminal start to set up RRC and connecting, and send service request to network equipment after RRC has connected, wherein, and the PDP state of carried terminal in described service request.
The beneficial effect of technique scheme of the present invention is as follows:
In such scheme, by judging whether the PDP state of the terminal in described service request is state of activation, and the carrying RAB if so, then directly setting up user plane connects; If the PDP state in described service request is deactivation status, and local PDP state of preserving is state of activation, then by described this locality preserve PDP state carry out synchronous with the PDP state of terminal, make this locality preservation PDP state and service request in PDP state consistency.The RB that the PDP state of the PDP state of terminal and core-network side of solving is inconsistent caused carries and sets up failed fault, effectively can improve PS(grouping) business be created as power.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the synchronous method of PDP state of the present invention;
The first embodiment flow chart that Fig. 2 is synchronous method shown in Fig. 1;
The specific implementation flow chart that Fig. 3 is the embodiment shown in Fig. 2;
The second embodiment flow chart that Fig. 4 is synchronous method shown in Fig. 1;
Fig. 5 is specific implementation flow chart embodiment illustrated in fig. 4.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figure 1, embodiments of the invention provide a kind of PDP(packet message agreement) synchronous method of state, comprise the steps:
Step 11, the service request that receiving terminal sends, wherein, the PDP state of described service request carried terminal;
Step 12, judge whether the PDP state in described service request is state of activation, the carrying RAB if so, then directly setting up user plane connects;
Step 13, if the PDP state in described service request is deactivation status, and the PDP state that network equipment this locality is preserved is state of activation, then the PDP state that described this locality is preserved is carried out synchronous with the PDP state of terminal, the PDP state that this locality is preserved and the PDP state consistency of terminal.
In such scheme, by judging whether the PDP state of the terminal in described service request is state of activation, then the carrying RAB directly setting up user plane connects; If the PDP state of the terminal in described service request is deactivation status, and local PDP state of preserving is state of activation, then the PDP state that described this locality is preserved is carried out synchronous with the PDP state of terminal, make the local PDP state of preservation and the PDP state consistency of terminal.Solve the PDP state of terminal and inconsistent the caused RB of core-network side to carry and set up failed fault, effectively can improve PS(grouping) business be created as power.
As shown in Figure 2, the PDP state that described this locality is preserved is carried out the first synchronous implementation with the PDP state of terminal:
The PDP status modifier that this locality is preserved by network equipment is deactivation status, makes the local PDP state of preservation and the PDP state consistency of terminal.
Concrete, the PDP status modifier that this locality is preserved by network equipment is that the step of deactivation status comprises:
Step 21, the GPRS serving GPRS support node SGSN in network equipment sends the removal request (" Delete PDP Context Request ") of deleting the local PDP Context preserved to gateway service support node GGSN;
Step 22, described SGSN receives the deletion response message (" Delete PDP Context Response ") that described GGSN returns;
Step 23, described SGSN sends Iu to radio network controller (RNC) and carries release command (IU Release Command);
Step 24, described SGSN receives the Iu carrying Release complete that described RNC sends.
Wherein, described SGSN also comprises after receiving the Iu carrying Release complete of described RNC transmission:
Step 25, described RNC sends the order (RRC Connection Release) of the connection between release and terminal to terminal;
Step 26, described RNC receives the Connection Release that described terminal returns and completes message.
When SGSN have received on mobile phone send out service request(service request) in PDP state be deactivation status, time inconsistent with the PDP state of preserving in SGSN, GGSN, SGSN sends " Delete PDP Context Request " (deleting PDP Context request) message to GGSN, GGSN replys " Delete PDP Context Response " (deleting PDP Context response) message to SGSN, delete the PDP state in SGSN and GGSN by this process, the PDP state in SGSN and GGSN is revised as deactivation status by state of activation.
Simultaneously SGSN issues Iu Release Command(Iu release command to RNC), RNC issues RRC Connection Release(RRC Connection Release to UE), delete IU, RRC link set up.This ensures that thering the PDP state consistency in UE, SGSN, GGSN, is all deactivation status (INACTIVE State), to ensure the normal foundation of follow-up business.
Before above-mentioned step 11 embodiment illustrated in fig. 1, also can comprise:
When GGSN in network equipment has a data distributing, call terminal is carried out to terminal issuing page message by SGSN, make terminal start to set up radio resource control RRC to connect, and service request is sent to network equipment after RRC has connected, wherein, the PDP state of carried terminal in described service request.
In embodiments of the invention, RAB connection is the connection between UE and CN core net, and RRC connection is the connection between UE and the UTRAN of core net.
Concrete, as shown in Figure 3, when GGSN has data to need to issue, SGSN issues Paging(paging) message carrys out paging UE, and UE responds paging also to start to set up RRC and connects, and above after completing sends out service request (service request) message, SGSN is judged by the terminal PDP state of carrying in this message, if terminal is PDP activation state, that just continues to set up RAB according to existing procedure, normally sets up business; If UE is PDP deactivation status, SGSN initiatively initiates PDP state deletion request to GGSN, makes the PDP state in SGSN, GGSN all be revised as deactivation status by state of activation.Next step, SGSN issues the order of Iu link circuit deleting, RNC issues the order of RRC link circuit deleting, and like this, the PDP state in UE, SGSN, GGSN will be consistent, and is all deactivation status.The normal foundation of follow-up business can be ensured.
As shown in Figure 4, the PDP state of described terminal that described this locality is preserved is carried out synchronous the second implementation with the PDP state in service request:
The PDP status modifier of terminal is state of activation by network equipment, makes the local PDP state of preservation and the PDP state consistency of terminal.
Specifically, the step that the PDP status modifier of terminal is state of activation comprises by network equipment:
Step 31, the SGSN in network equipment sends to GGSN and upgrades PDP Context request (" Update PDP Context Request ");
Step 32, described SGSN receives the response (" Update PDP Context Response ") that described GGSN upgrades PDP Context request;
Step 33, described SGSN sends amendment PDP Context request (" Modify PDP Context Request ") to terminal;
Step 34, described SGSN receives described terminal modifications PDP Context and completes message (" Modify PDP Context Accept ").
Concrete, the PDP that have received in the service request that mobile phone is sent out as SGSN is deactivation status, with SGSN, when the PDP state of the UE preserved in GGSN is inconsistent, SGSN sends " Update PDP Context Request " message to GGSN, GGSN replys " Update PDP Context Response " message to SGSN, to confirm in SGSN and GGSN about the PDP state of this terminal to be state of activation (Active State) by this process, upgrade the context of this PDP business simultaneously, such as TEID, NSAPI, the major parameters such as QoS are arranged.Then SGSN sends " Modify PDP Context Request " message to UE, UE replys " Modify PDP Context Accept " message to SGSN, be state of activation (Active State) by this process by the PDP status modifier of UE, like this, just ensure that the PDP state consistency in UE, SGSN, GGSN, be all state of activation, and then enter normal RAB process of establishing, ensure being successfully established of business.
Before above-mentioned step 11 embodiment illustrated in fig. 1, also can comprise:
When GGSN in network equipment has a data distributing, call terminal is carried out to terminal issuing page message by SGSN, make terminal start to set up radio resource control RRC to connect, and service request is sent to network equipment after RRC has connected, wherein, the PDP state of carried terminal in described service request.
Concrete, as shown in Figure 5, the PDP that have received in the service request that mobile phone is sent out as SGSN is deexcitation, with SGSN, when the PDP state of the UE preserved in GGSN is inconsistent, PDP state in amendment UE---SGSN sends " Update PDP Context Request " message to GGSN, GGSN replys " Update PDP Context Response " message to SGSN, to confirm in SGSN and GGSN about the PDP state of this terminal to be state of activation (Active State) by this process, upgrade the context of this PDP business simultaneously, such as TEID, NSAPI, the major parameters such as QoS are arranged.Then SGSN sends " Modify PDP Context Request " message to UE, UE replys " Modify PDP Context Accept " message to SGSN, be state of activation (Active State) by this process by the PDP status modifier of UE, like this, just ensure that the PDP state consistency in UE, SGSN, GGSN, be all state of activation, then normally set up RAB process, ensure being successfully established of business.Concrete algorithm flow is: when GGSN has data to need to issue, SGSN issues Paging message and carrys out paging UE, UE responds paging and starts to set up RRC and connects, a upper service request message after completing, SGSN is judged by the terminal PDP state of carrying in this message, if terminal is PDP activation state, that just continues to set up RAB according to existing procedure, normally sets up business; If UE is PDP deactivation status, SGSN initiates PDP state updating process, confirms the PDP state in SGSN and GGSN, carries out adjustment simultaneously confirm PDP Context key message.Next step, SGSN initiates PDP status modifier process to UE, and the PDP state in UE is set to state of activation by deactivation status.Like this, just ensure that the PDP state consistency in UE, SGSN, GGSN, is all state of activation, normally can successfully set up follow-up PS business.
In the above embodiment of the present invention: after have received at SGSN the service request that mobile phone is sent out, verify the PDP state of UE, when the PDP state of preserving in the PDP state finding UE and SGSN, GGSN is inconsistent, by amendment part handling process, PDP state in UE, SGSN, GGSN is consistent, the RB that the PDP state of the PDP state of UE and core-network side of efficiently solving is inconsistent caused sets up failed fault, and that effectively can improve PS business is created as power.
The above embodiment of the present invention can be applied to all 3G networks based on 3GPP agreement, as TD-SCDMA, WCDMA etc.
Embodiments of the invention also provide a kind of network equipment, comprising:
Receiver module, for the service request that receiving terminal sends, wherein, the PDP state of described service request carried terminal;
Processing module, for judging whether the PDP state in described service request is state of activation, and the carrying RAB if so, then directly setting up user plane connects; If the PDP state in described service request is deactivation status, and local PDP state of preserving is state of activation, then carry out synchronous by the PDP state that described this locality is preserved with the PDP state of terminal, the PDP state that this locality is preserved and the PDP state consistency of terminal.
Wherein, the PDP status modifier that this locality is preserved by processing module is deactivation status or is state of activation by the PDP status modifier of terminal, makes the local PDP state of preservation and the PDP state consistency of terminal.
Wherein, the PDP status modifier that this locality is preserved by processing module is that the flow process of deactivation status comprises:
GPRS serving GPRS support node SGSN in network equipment sends the removal request of the local PDP Context preserved to gateway service support node GGSN;
Described SGSN receives the deletion response message that described GGSN returns;
Described SGSN sends Iu to radio network controller (RNC) and carries release command;
Described SGSN receives the Iu carrying Release complete that described RNC sends;
Described RNC sends the order of the connection between release and terminal to terminal;
Described RNC receives the Connection Release that described terminal returns and completes message.
The flow process that the PDP status modifier of terminal is state of activation by processing module comprises:
SGSN in network equipment sends to GGSN and upgrades PDP Context request;
Described SGSN receives the response that described GGSN upgrades PDP Context request;
Described SGSN sends the request of amendment PDP Context to terminal;
Described SGSN receives described terminal modifications PDP Context and completes message.
Wherein, above-mentioned network equipment also comprises:
Sending module, for carrying out call terminal to terminal issuing page message, making terminal start to set up RRC and connecting, and send service request to network equipment after RRC has connected, wherein, and the PDP state of carried terminal in described service request.
It should be noted that: present networks side apparatus comprises the equipment of wireless network and core-network side, as SGSN, GGSN, RNC, UTRAN etc.; All realization flows in said method are all applicable to the embodiment of this network equipment, also identical technique effect can be reached, can solve the PDP state of UE equally and inconsistent the caused RB of core-network side sets up failed fault, that effectively can improve PS business is created as power.
Above-mentioned network equipment of the present invention can be applied to all 3G networks based on 3GPP agreement, as TD-SCDMA, WCDMA etc.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a synchronous method for PDP state, is characterized in that, comprising:
The service request that receiving terminal sends, wherein, the PDP state of described service request carried terminal;
Judge whether the PDP state in described service request is state of activation, and the carrying RAB if so, then directly setting up user plane connects;
If the PDP state in described service request is deactivation status, and the PDP state that network equipment this locality is preserved is state of activation, then the PDP state that described this locality is preserved is carried out synchronous with the PDP state of terminal, make the local PDP state of preservation and the PDP state consistency of terminal.
2. the synchronous method of PDP state according to claim 1, is characterized in that, the PDP state that described this locality is preserved is carried out synchronous step with the PDP state of terminal and comprises:
The PDP status modifier that this locality is preserved by network equipment is deactivation status, makes the local PDP state of preservation and the PDP state consistency of terminal.
3. the synchronous method of PDP state according to claim 2, is characterized in that, the PDP status modifier that this locality is preserved by network equipment is that the step of deactivation status comprises:
GPRS serving GPRS support node SGSN in network equipment sends the removal request of the local PDP Context preserved to gateway service support node GGSN;
Described SGSN receives the deletion response message that described GGSN returns;
Described SGSN sends Iu to radio network controller (RNC) and carries release command;
Described SGSN receives the Iu carrying Release complete that described RNC sends.
4. the synchronous method of PDP state according to claim 3, is characterized in that, described SGSN also comprises after receiving the Iu carrying Release complete of described RNC transmission:
Described RNC sends the order of the connection between release and terminal to terminal;
Described RNC receives the Connection Release that described terminal returns and completes message.
5. the synchronous method of PDP state according to claim 1, is characterized in that, the PDP state that described this locality is preserved is carried out synchronous step with the PDP state of terminal and comprises:
The PDP status modifier of terminal is state of activation by network equipment, makes the local PDP state of preservation and the PDP state consistency of terminal.
6. the synchronous method of PDP state according to claim 5, is characterized in that, the step that the PDP status modifier of terminal is state of activation by network equipment comprises:
SGSN in network equipment sends to GGSN and upgrades PDP Context request;
Described SGSN receives the response that described GGSN upgrades PDP Context request;
Described SGSN sends the request of amendment PDP Context to terminal;
Described SGSN receives described terminal modifications PDP Context and completes message.
7. the synchronous method of PDP state according to claim 1, is characterized in that, also comprises before the step of the service request that receiving terminal sends:
When GGSN in network equipment has a data distributing, call terminal is carried out to terminal issuing page message by SGSN, make terminal start to set up radio resource control RRC to connect, and service request is sent to network equipment after RRC has connected, wherein, the PDP state of carried terminal in described service request.
8. a network equipment, is characterized in that, comprising:
Receiver module, for the service request that receiving terminal sends, wherein, the PDP state of described service request carried terminal;
Processing module, for judging whether the PDP state in described service request is state of activation, and the carrying RAB if so, then directly setting up user plane connects; If the PDP state in described service request is deactivation status, and local PDP state of preserving is state of activation, then carry out synchronous by the PDP state that described this locality is preserved with the PDP state of terminal, the PDP state that this locality is preserved and the PDP state consistency of terminal.
9. network equipment according to claim 8, it is characterized in that, the PDP status modifier that this locality is preserved by network equipment is deactivation status or is state of activation by the PDP status modifier of terminal, makes the local PDP state of preservation and the PDP state consistency of terminal.
10. network equipment according to claim 8, is characterized in that, also comprises:
Sending module, for carrying out call terminal to terminal issuing page message, making terminal start to set up RRC and connecting, and send service request to network equipment after RRC has connected, wherein, and the PDP state of carried terminal in described service request.
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| CN201310277027.0A CN104284443A (en) | 2013-07-03 | 2013-07-03 | Method for synchronizing PDP state and network side device |
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| CN201310277027.0A CN104284443A (en) | 2013-07-03 | 2013-07-03 | Method for synchronizing PDP state and network side device |
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Cited By (1)
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| CN111385787A (en) * | 2018-12-29 | 2020-07-07 | 华为终端有限公司 | State switching method, mobile terminal, network equipment and communication system |
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| CN111385787A (en) * | 2018-12-29 | 2020-07-07 | 华为终端有限公司 | State switching method, mobile terminal, network equipment and communication system |
| CN111385787B (en) * | 2018-12-29 | 2021-11-30 | 华为终端有限公司 | State switching method, mobile terminal, network equipment and communication system |
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Application publication date: 20150114 |
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