CN110167079A

CN110167079A - Bearing processing method, equipment and system

Info

Publication number: CN110167079A
Application number: CN201810148471.5A
Authority: CN
Inventors: 舒林
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2018-02-12
Filing date: 2018-02-12
Publication date: 2019-08-23
Anticipated expiration: 2038-02-12
Also published as: CN110167079B; WO2019154037A1

Abstract

The embodiment of the present application provides bearing processing method, equipment and system, can solve the problem that EPS carrying expansion bands are come in EPS and 2G/3G interoperability of system.Method includes: the terminal access the first system for having activated state extension evolved packet system EPS carrying, which includes second generation 2G system, third generation 3G system or the first EPS；The terminal determines that the first system does not support extension EPS to carry；Extension EPS is carried and is hung up by the terminal.

Description

Bearing processing method, equipment and system

Technical field

This application involves mobile communication technology field more particularly to bearing processing methods, equipment and system.

Background technique

It is mobile logical experienced the first generation (the first generation, 1G) with the development of mobile communication technology Letter system, the second generation (the second generation, 2G) mobile communication system and the third generation (the third Generation, 3G) after mobile communication system, third generation cooperative partner program (3rd generation Partnershipproject, 3GPP) the 8th version (release 8, Rel-8) stage it is proposed evolved packet system (evolved packet system, EPS).Wherein, the development of EPS is divided into two stages, these versions of Rel-8 to Rel-12 This EPS can be referred to as forth generation (thefourth generation, 4G) mobile communication system, Rel-13 and Rel-14 two The EPS industry of a version is known as 4.5G mobile communication system.

Currently, the transmission of data service is carried in EPS carrying in EPS, due to the limitation of original demand, and For General Packet Radio Service (general packet radio service, the GPRS) data provided with 2G/3G system The intercommunication of EPS Yu 2G/3G system is better achieved in the backwards compatibility of business, and 3GPP is supported most in defining EPS at the beginning When big EPS carrying number, with supported in 2G/3G GPRS maximum packet data agreement (packet data protocol, PDP) number of context is consistent, namely maximum support 11.However, being moved with the evolution of network and the maturation in market Huge variation also has occurred in the scene of dynamic communications applications, is mainly used in mobile broadband internet (mobile from the beginning Broadband, MBB) field, to being permeated at present to the subdivision field of different vertical industry, the scene field of EPS application is got over Come wider, the new business characteristic and application function of support are also more and more, so that the concurrent data services to terminal propose more High demand.Typically, with voice (the voice over that long term evolution (long term evolution, LTE) is provided LTE, VoLTE) extensive commercialization of the business in EPS, honeycomb Internet of Things (cellular internet of things, CIoT), automotive-type communicates (vehicle to everything, V2X) and key business (mission critical, MC) etc. The appearance of emerging application is not at present able to satisfy the limitation of EPS carrying number more in EPS the demand of existing net.

Based on this, 3GPP has formally passed through a new project in December, 2017, special to discuss how to extend in EPS The quantity of EPS carrying and EPS carrying extend brought problem.

Summary of the invention

The embodiment of the present application provides bearing processing method, equipment and system, can solve and mutually grasps in EPS and 2G/3G system EPS carries the problem that expansion bands are come when making.

In order to achieve the above objectives, embodiments herein adopts the following technical scheme that

In a first aspect, a kind of bearing processing method is provided, this method comprises: there is activated state to extend evolved packet system EPS The terminal of carrying accesses the first system, which includes second generation 2G system, third generation 3G system or the first EPS；The end It holds and determines that the first system does not support extension EPS to carry；Extension EPS is carried and is hung up by the terminal.It is handled based on the carrying Method can solve the problem that EPS carrying expansion bands are come in EPS and 2G/3G interoperability of system, avoid expanding because of terminal from support The EPS of exhibition EPS carrying is moved to 2G/3G system or the extension EPS that may cause when the EPS of extension EPS carrying is not supported to hold The problem that must be deleted is carried, and then can be in the case where subsequent terminal accesses the EPS for supporting extension EPS carrying again, directly The extension EPS carrying for restoring to hang up is connect, without rebuilding extension EPS carrying, to realize the fast quick-recovery of business.

In a kind of possible design, this method further include: be carried on the first preset duration in the extension EPS of hang-up and arrive Up to when still in suspended state in the case where, the terminal deletion hang up the extension EPS carrying.It, can be to avoid based on the program The problem of wasting of resources that may cause is hung up always in extension EPS carrying.

In a kind of possible design, this method further include: have the terminal access second of the extension EPS carrying of hang-up EPS；Third mobile management net element of the terminal into the 2nd EPS sends tracking area update TAU request message, TAU request Message carries the identification information of the terminal；The terminal receives the TAU received message from the third mobile management net element, should TAU received message carries the instruction information that extension EPS is carried as activated state；The terminal is carried as activating according to extension EPS The instruction information of state restores the extension EPS hung up carrying.Based on the program, due to after terminal accesses the 2nd EPS, no It needs to rebuild extension EPS carrying, but directly restores the extension EPS carrying hung up, therefore the quick extensive of business may be implemented It is multiple.

In a kind of possible design, which also carries the ability letter that the terminal supports extension EPS to carry At least one of breath, the hang-up instruction information hung up whole world unique temporary identity GUTI or extend EPS carrying, wherein should Hanging up GUTI is the GUTI for hanging up the second mobile management net element distribution of extension EPS carrying, is used to indicate and hangs up extension EPS Second mobile management net element of carrying, the hang-up instruction information of extension EPS carrying, which is used to indicate the terminal, being somebody's turn to do for hang-up Extend EPS carrying.

In a kind of possible design, which also carries the energy that the 2nd EPS supports extension EPS to carry Force information.Based on the program, terminal side can know whether the 2nd EPS supports extension EPS to carry.

In a kind of possible design, which also carries the second preset duration；This method further include: the end End stores second preset duration, wherein second preset duration is the time span that extension EPS carrying is hung up.Based on this Scheme can timely update and extend the suspension time length of EPS carrying.

In a kind of possible design, this method further include: the terminal storage is relevant to the extension EPS carrying hung up Terminal contexts include hanging up GUTI in the terminal contexts, and hang-up GUTI be the second movement for hanging up extension EPS carrying The GUTI of managed network element distribution, is used to indicate second mobile management net element for hanging up extension EPS carrying.Based on the program, The problem of being covered to avoid hang-up GUTI by other GUTI.

In a kind of possible design, which determines that the first system does not support extension EPS to carry, comprising: the end End receives the location updating received message of the first movement managed network element in the first system；The terminal determines the position more The ability information that the first system supports extension EPS to carry is not carried in new received message.Based on the program, terminal can be true The fixed the first system does not support extension EPS to carry.

Second aspect provides a kind of bearing processing method, this method comprises: in the case where terminal accesses the first system, There is the second mobile management net element of the activated state extension evolved packet system EPS carrying of the terminal to determine that the first system is not supported Extension EPS carrying, which includes second generation 2G system, third generation 3G system or the first EPS；Second mobile management Extension EPS is carried and is hung up by network element；Second mobile management net element is sent out to the second Gateway Network Element of extension EPS bearing association The first notification message is sent, first notification message is for notifying second Gateway Network Element carries extension EPS to hang up.Alternatively, A kind of bearing processing method is provided, this method comprises: have the activated state extension evolved packet system EPS carrying of terminal second moves Dynamic managed network element determine the terminal from the first system access, the first system include second generation 2G system, third generation 3G system or First EPS；Second mobile management net element determines that the first system does not support extension EPS to carry；Second mobile management net Extension EPS is carried and is hung up by member；Second mobile management net element is sent to the second Gateway Network Element of extension EPS bearing association First notification message, first notification message is for notifying second Gateway Network Element carries extension EPS to hang up.It is held based on this Carry processing method, can solve in EPS and EPS carrying expansion bands are come when 2G/3G interoperability of system problem, avoid because terminal from It supports the EPS of extension EPS carrying to be moved to 2G/3G system or does not support the extension that may cause when the EPS of extension EPS carrying EPS carries the problem that must be deleted, and then can be the case where subsequent terminal accesses the EPS for supporting extension EPS carrying again Under, directly restore the extension EPS carrying hung up, without rebuilding extension EPS carrying, to realize the quick extensive of business It is multiple.

In a kind of possible design, this method further include: be carried on the first preset duration in the extension EPS of hang-up and arrive Up to when still in suspended state in the case where, second mobile management net element delete hang up the extension EPS carrying；And it should Second mobile management net element to second Gateway Network Element send second notification message, the second notification message for notify this second Gateway Network Element deletes the extension EPS carrying hung up.Based on the program, it can hang up always and may lead to avoid extension EPS carrying The problem of wasting of resources of cause.

In a kind of possible design, this method further include: second mobile management net element determine the terminal from this second The 2nd EPS access where mobile management net element；Second mobile management net element is that the extension EPS that the terminal is restored to hang up is held It carries.Based on the program, due to after terminal accesses the 2nd EPS, not needing to rebuild extension EPS carrying, but directly restore to hang The extension EPS carrying risen, therefore the fast quick-recovery of business may be implemented.

In a kind of possible design, which determines the terminal from the second mobile management net element institute The 2nd EPS access, comprising: second mobile management net element receive the tracking area update TAU request message from the terminal, The TAU request message carries the identification information of the terminal；Alternatively, second mobile management net element, which receives, comes from first system The forwarding RELOCATION REQUEST message that first movement managed network element in system is sent, the forwarding RELOCATION REQUEST message carry the terminal Identification information；Alternatively, second mobile management net element receives the third mobile management net element hair in the 2nd EPS The context request message sent, the context request message carry the identification information of the terminal.

In a kind of possible design, it is mobile that the third in the 2nd EPS is received in second mobile management net element After the context request message that managed network element is sent, this method further include: second mobile management net element is mobile to the third Managed network element sends the context and associated terminal contexts of the extension EPS carrying restored.Based on the program, Ke Yishi The synchronization of occurrence context.

In a kind of possible design, which includes the information of second Gateway Network Element, this second The information of Gateway Network Element determines the third gateway net in the 2nd EPS for the terminal service for the third mobile management net element Member.

In a kind of possible design, determine the terminal from second mobile management net element in second mobile management net element After the 2nd EPS access at place, this method further include: second mobile management net element determines in the 2nd EPS as the terminal The third Gateway Network Element of service；In the case where the third Gateway Network Element is second Gateway Network Element, second mobile management net Member notifies the third Gateway Network Element to restore the extension EPS hung up carrying；Alternatively, not being second net in the third Gateway Network Element In the case where closing network element, which requests the third Gateway Network Element to establish extension EPS carrying.Based on the party Case can restore the extension EPS hung up carrying or establish extension EPS carrying.

In a kind of possible design, which includes gateway network element or control plane Gateway Network Element；It should Second mobile management net element notifies the third Gateway Network Element to restore the extension EPS hung up carrying, comprising: second mobile management Network element sends modification carrying request to the third Gateway Network Element, and modification carrying request carries the information of extension EPS carrying, should The information of extension EPS carrying is used to indicate the third Gateway Network Element and restores the extension EPS hung up carrying；Alternatively, second shifting Dynamic managed network element requests the third Gateway Network Element to establish extension EPS carrying, comprising: second mobile management net element is to the third Gateway Network Element sends creation session request, which carries the information of extension EPS carrying, extension EPS carrying Information be used to indicate the gateway network element be the terminal establish the extension EPS carrying.

In a kind of possible design, which includes opening service capability network element；Second mobile management Network element notify the third Gateway Network Element restore hang up extension EPS bearing method, comprising: second mobile management net element to this Opening service capability network element sends creation connection request, which carries the information of extension EPS carrying, the extension The information of EPS carrying is used to indicate the opening service capability network element and restores the extension EPS hung up carrying.

In a kind of possible design, this method further include: second mobile management net element sends TAU to the terminal and receives Message, the TAU received message carry the instruction information that extension EPS is carried as activated state.Based on the program, terminal can be known Extension EPS carrying has been in activated state.

In a kind of possible design, after second mobile management net element hangs up extension EPS carrying, this method Further include: the relevant terminal contexts of extension EPS carrying of second mobile management net element storage and hang-up, above and below the terminal Identification information and the first preset duration in text including the identification information of the terminal, second Gateway Network Element, this is first pre- If when the time span hung up of a length of extension EPS carrying.

In a kind of possible design, which determines that the first system does not support extension EPS to hold It carries, comprising: second mobile management net element receives the context request of the first movement managed network element in the first system Message；Second mobile management net element determines that not carrying the first system in the context request message supports extension EPS to hold The ability information of load；Or；Second mobile management net element determines that the first system does not support extension EPS to carry, comprising: should Second mobile management net element receives the switching request from access network element, which carries the first shifting in the first system The identification information of dynamic managed network element；Second mobile management net element is determined according to the identification information of the first movement managed network element The first system does not support extension EPS to carry.Based on the program, the second mobile management net element can determine the first system not Extension EPS is supported to carry.

The third aspect provides a kind of bearing processing method, this method comprises: in the case where terminal accesses the first system, There is the second Gateway Network Element of the activated state extension evolved packet system EPS carrying of the terminal to receive and extension EPS is carried into hang-up The first notification message, which includes second generation 2G system, third generation 3G system or the first EPS；The second gateway net Extension EPS is carried and is hung up according to first notification message by member.Based on the bearing processing method, can solve EPS with EPS carries the problem that expansion bands are come when 2G/3G interoperability of system, avoids being moved to because of terminal from the EPS for supporting extension EPS to carry 2G/3G system does not support the extension EPS that may cause when the EPS of extension EPS carrying to carry the problem that must be deleted, into And can be in the case where subsequent terminal accesses the EPS for supporting extension EPS carrying again, the extension EPS for directly restoring to hang up is held It carries, without rebuilding extension EPS carrying, to realize the fast quick-recovery of business.

In a kind of possible design, this method further include: second Gateway Network Element receives the extension EPS for deleting and hanging up The second notification message of carrying；Second Gateway Network Element deletes the extension EPS carrying of hang-up according to the second notification message. Based on the program, the problem of hanging up the wasting of resources that may cause always can be carried to avoid extension EPS.

In a kind of possible design, this method further include: be the end in second Gateway Network Element and the first system In the different situation of the first Gateway Network Element for holding service, which receives to have the of extension EPS carrying by oneself The deletion conversation message of two mobile management net elements；Second Gateway Network Element deletes the upper of the terminal according to the deletion conversation message The hereinafter terminal contexts in addition to the context of extension EPS carrying and extension EPS carry relevant terminal contexts.

In a kind of possible design, this method further include: second Gateway Network Element receives the extension EPS for restoring to hang up The instruction information of carrying；Second Gateway Network Element restores the extension EPS hung up carrying according to the instruction information.Based on the party Case due to after terminal accesses the 2nd EPS, not needing to rebuild extension EPS carrying, but directly restores the extension hung up EPS carrying, therefore the fast quick-recovery of business may be implemented.

In a kind of possible design, second Gateway Network Element include gateway network element or packet data gateway network element or Control plane Gateway Network Element；Second Gateway Network Element receives the instruction information for the extension EPS carrying for restoring to hang up, comprising: this Two Gateway Network Element receive modification carrying request, and modification carrying request carries the information of extension EPS carrying, and extension EPS is held The information of load is used to indicate second Gateway Network Element and restores the extension EPS hung up carrying.

In a kind of possible design, which includes opening service capability network element；Second Gateway Network Element Receive the instruction information for the extension EPS carrying for restoring to hang up, comprising: second Gateway Network Element receives creation connection request, should Creation connection request carries the recovery instruction information of extension EPS carrying, and recovery instruction information is used to indicate second gateway Network element restores the extension EPS hung up carrying.

Fourth aspect provides a kind of bearing processing method, this method comprises: in the case where terminal accesses the first system, There is the user plane gateway network element of the activated state extension evolved packet system EPS carrying of the terminal to receive and extension EPS is carried into institute It is associated packets forwarding control protocol PFCP session hang up the first notification message, the first system include second generation 2G system, Third generation 3G system or the first EPS；The user plane gateway network element is closed extension EPS carrying according to first notification message The PFCP session of connection is hung up.Based on the bearing processing method, it can solve the EPS carrying in EPS and 2G/3G interoperability of system and expand The problem of exhibition is brought avoids being moved to 2G/3G system from the EPS for supporting extension EPS to carry because of terminal or does not support extension EPS The problem that the associated PFCP session of the extension EPS carrying that may cause when the EPS of carrying must be deleted, and then can be rear In the case that continuous terminal accesses the EPS for supporting extension EPS to carry again, directly restore associated by the extension EPS carrying hung up PFCP session, without rebuilding the associated PFCP session of extension EPS carrying, to realize the fast quick-recovery of business.

In a kind of possible design, this method further include: the user plane gateway network element receives the extension deleted and hung up The second notification message of the associated PFCP session of EPS carrying；The user plane gateway network element is deleted according to the second notification message The associated PFCP session of the extension EPS carrying hung up.Based on the program, can be associated to avoid extension EPS carrying The problem of wasting of resources that may cause is hung up always in PFCP session.

In a kind of possible design, this method further include: the user plane gateway network element receives PFCP session modification request, The PFCP session modification request carries the information of extension EPS carrying；The user plane gateway network element is carried according to extension EPS Information restores the associated PFCP session of the extension EPS hung up carrying.Based on the program, due to accessing the 2nd EPS in terminal Later, it does not need to rebuild the associated PFCP session of extension EPS carrying, but the extension EPS for directly restoring to hang up carries institute Associated PFCP session, therefore the fast quick-recovery of business may be implemented.

5th aspect, provides a kind of terminal, which has the function for realizing the above-mentioned described in any item methods of first aspect Energy.The function can also execute corresponding software realization by hardware realization by hardware.The hardware or software include one A or multiple modules corresponding with above-mentioned function.

6th aspect, provides a kind of terminal, comprising: processor and memory；The memory is for storing computer execution Instruction, when the terminal operating, which executes the computer executed instructions of memory storage, so that the terminal executes Bearing processing method as described in any one of above-mentioned first aspect.

7th aspect, provides a kind of terminal, comprising: processor；The processor reads and deposits for coupling with memory After instruction in reservoir, the bearing processing method as described in any one of above-mentioned first aspect is executed according to described instruction.

Eighth aspect provides a kind of computer readable storage medium, and instruction is stored in the computer readable storage medium, When run on a computer, computer is allowed to execute carrying processing side described in any one of above-mentioned first aspect Method.

9th aspect, provides a kind of computer program product comprising instruction, when run on a computer, makes to succeed in one's scheme Calculation machine can execute bearing processing method described in any one of above-mentioned first aspect.

Tenth aspect, provides a kind of chip system, which includes processor, for supporting terminal to realize above-mentioned the Function involved in one side, such as determine that the first system is not supported after extending EPS carrying, extension EPS carrying is hung up. In a kind of possible design, which further includes memory, the memory, for saving the necessary program instruction of terminal And data.The chip system, can be made of chip, also may include chip and other discrete devices.

Wherein, the 5th aspect technical effect brought by any design method into ten aspects can be found in first aspect Technical effect brought by different designs mode, details are not described herein again.

Tenth on the one hand, provides a kind of second mobile management net element, which, which has, realizes above-mentioned the The function of the two described in any item methods of aspect.The function can also be executed corresponding by hardware realization by hardware Software realization.The hardware or software include one or more modules corresponding with above-mentioned function.

12nd aspect provides a kind of second mobile management net element, comprising: processor and memory；The memory is used for Computer executed instructions are stored, when second mobile management net element operation, which executes the meter of memory storage Calculation machine executes instruction, so that second mobile management net element executes the carrying processing side as described in any one of above-mentioned second aspect Method.

13rd aspect provides a kind of second mobile management net element, comprising: processor；The processor is used for and storage Device coupling, and after reading the instruction in memory, it is executed as described in any one of above-mentioned second aspect according to described instruction Bearing processing method.

Fourteenth aspect provides a kind of computer readable storage medium, and finger is stored in the computer readable storage medium It enables, when run on a computer, computer is allowed to execute the processing of carrying described in any one of above-mentioned second aspect Method.

15th aspect, provides a kind of computer program product comprising instruction, when run on a computer, so that Computer can execute bearing processing method described in any one of above-mentioned second aspect.

16th aspect, provides a kind of chip system, which includes processor, for supporting the second mobile management Network element realizes function involved in above-mentioned second aspect, such as determines that the first system is not supported after extending EPS carrying, will expand EPS carrying is opened up to hang up.In a kind of possible design, which further includes memory, the memory, for saving second The necessary program instruction of mobile management net element and data.The chip system can be made of chip, also may include chip and its His discrete device.

Wherein, the tenth one side technical effect brought by any design method into 16 aspects can be found in second party Technical effect brought by different designs mode in face, details are not described herein again.

17th aspect provides a kind of second Gateway Network Element, which, which has, realizes that the above-mentioned third aspect is appointed The function of method described in one.The function can also execute corresponding software realization by hardware realization by hardware. The hardware or software include one or more modules corresponding with above-mentioned function.

18th aspect provides a kind of second Gateway Network Element, comprising: processor and memory；The memory is for storing Computer executed instructions, when second Gateway Network Element operation, the computer which executes memory storage is executed Instruction, so that second Gateway Network Element executes the bearing processing method as described in any one of above-mentioned third aspect.

19th aspect provides a kind of second Gateway Network Element, comprising: processor；The processor is used for and memory coupling It closes, and after reading the instruction in memory, the carrying as described in any one of above-mentioned third aspect is executed according to described instruction Processing method.

20th aspect, provides a kind of computer readable storage medium, finger is stored in the computer readable storage medium It enables, when run on a computer, computer is allowed to execute the processing of carrying described in any one of above-mentioned third aspect Method.

20th on the one hand, and provide a kind of computer program product comprising instruction makes when run on a computer Bearing processing method described in any one of above-mentioned third aspect can be executed by obtaining computer.

22nd aspect, provides a kind of chip system, which includes processor, for supporting the second gateway net Member realizes function involved in above-mentioned aspect, such as according to the first notification message, extension EPS carrying is hung up.One kind can In the design of energy, which further includes memory, the memory, for saving the necessary program instruction of the second Gateway Network Element And data.The chip system, can be made of chip, also may include chip and other discrete devices.

Wherein, the 17th aspect technical effect brought by any design method into 22 aspects can be found in third Technical effect brought by different designs mode in aspect, details are not described herein again.

23rd aspect, provides a kind of user plane gateway network element, which, which has, realizes the above-mentioned 4th The function of the described in any item methods of aspect.The function can also be executed corresponding soft by hardware realization by hardware Part is realized.The hardware or software include one or more modules corresponding with above-mentioned function.

Twenty-fourth aspect provides a kind of user plane gateway network element, comprising: processor and memory；The memory is used for Computer executed instructions are stored, when user plane gateway network element operation, which executes the calculating of memory storage Machine executes instruction, so that the user plane gateway network element executes the bearing processing method as described in any one of above-mentioned fourth aspect.

25th aspect, provides a kind of user plane gateway network element, comprising: processor；The processor is used for and storage Device coupling, and after reading the instruction in memory, it is executed as described in any one of above-mentioned fourth aspect according to described instruction Bearing processing method.

26th aspect, provides a kind of computer readable storage medium, is stored in the computer readable storage medium Instruction, when run on a computer, executes computer at carrying described in any one of above-mentioned fourth aspect Reason method.

27th aspect, provide a kind of computer program product comprising instruction makes when run on a computer Bearing processing method described in any one of above-mentioned fourth aspect can be executed by obtaining computer.

Twenty-eighth aspect provides a kind of chip system, which includes processor, for supporting user plane gateway Network element realizes function involved in above-mentioned aspect, such as according to the first notification message, will extend the associated PFCP of EPS carrying Session is hung up.In a kind of possible design, which further includes memory, the memory, for saving user's veil Close the necessary program instruction of network element and data.The chip system, can be made of chip, also may include chip and other are discrete Device.

Wherein, the 23rd aspect to technical effect brought by any design method in 28 can be found in four directions Technical effect brought by different designs mode in face, details are not described herein again.

29th aspect, provides a kind of carrying processing system, which includes the described in above-mentioned aspect Second Gateway Network Element described in two mobile management net elements and above-mentioned aspect.

30th aspect, provides a kind of carrying processing system, which includes the activated state extension of terminal Second mobile management net element of EPS carrying, the control plane Gateway Network Element of extension EPS bearing association and extension EPS carrying Associated user plane gateway network element；Second mobile management net element, in the case where terminal accesses the first system, determine this After one system does not support extension EPS to carry, extension EPS is carried and is hung up, and sends first to control plane Gateway Network Element Notification message, first notification message is for notifying control plane Gateway Network Element carries extension EPS to hang up.Wherein, this first System includes 2G system, 3G system or the first EPS；Control plane Gateway Network Element, for receiving the first notification message, and according to this One notification message after hanging up extension EPS carrying, sends second notification message to user plane gateway network element, this is second logical Know message for notifying user plane gateway network element to hang the associated packets forwarding control protocol PFCP session of extension EPS carrying It rises；Extension EPS is carried institute for receiving second notification message, and according to the second notification message by user plane gateway network element Associated PFCP session is hung up.

These aspects or other aspects of the application can more straightforward in the following description.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described.

Fig. 1 is the configuration diagram of existing 4G system；

Fig. 2 is the configuration diagram of existing 4.5G system；

Fig. 3 is the configuration diagram one of carrying processing system provided by the embodiments of the present application；

Fig. 4 is the configuration diagram two of carrying processing system provided by the embodiments of the present application；

Fig. 5 is the hardware structural diagram of communication equipment provided by the embodiments of the present application；

Fig. 6 is capability negotiation flow diagram one provided by the embodiments of the present application；

Fig. 7 is bearing processing method flow diagram one provided by the embodiments of the present application；

Fig. 8 is bearing processing method flow diagram two provided by the embodiments of the present application；

Fig. 9 is bearing processing method flow diagram three provided by the embodiments of the present application；

Figure 10 is bearing processing method flow diagram four provided by the embodiments of the present application；

Figure 11 is bearing processing method flow diagram five provided by the embodiments of the present application；

Figure 12 is bearing processing method flow diagram six provided by the embodiments of the present application；

Figure 13 is capability negotiation flow diagram two provided by the embodiments of the present application；

Figure 14 is bearing processing method flow diagram seven provided by the embodiments of the present application；

Figure 15 is bearing processing method flow diagram eight provided by the embodiments of the present application；

Figure 16 is the structural schematic diagram of device provided by the embodiments of the present application；

Figure 17 is the structural schematic diagram of the second mobile management net element provided by the embodiments of the present application；

Figure 18 is the structural schematic diagram of the second Gateway Network Element provided by the embodiments of the present application；

Figure 19 is the structural schematic diagram of user plane gateway network element provided by the embodiments of the present application.

Specific embodiment

It is as follows that EPS involved in the embodiment of the present application (including 4G system and 4.5G system) network architecture is provided first:

As shown in Figure 1, being the configuration diagram of existing 4G system.The 4G system includes the universal mobile communications system of evolution Unite (universal mobile telecommunications system, UMTS) land radio access web (evolved UMTS territorial radio access network, E-UTRAN) equipment, mobile management entity (mobility Management entity, MME), gateway (serving gateway, SGW), packet data network (packet data Network, PDN) gateway (PDN gateway, PGW), opening service capability function (service capability Exposure function, SCEF) network element and home signature user server (home subscriber server, HSS) Equal network elements or equipment.

Wherein, terminal accesses E-UTRAN equipment by LTE-Uu, and E-UTRAN equipment is communicated by S1-MME with MME, E- UTRAN equipment is communicated by S1-U with SGW, (is merely exemplary in Fig. 1 by S10 communication between different MME and is provided one MME), MME is communicated by S6a with HSS, and MME is communicated by S11 with SGW, and MME is communicated by T8 with SCEF network element, SCEF network element With server communication, SGSN is communicated by S3 with MME, and SGSN is communicated by S4 with SGW, and SGW is communicated by S5 with PGW, and PGW is logical Cross SGi access server.

Optionally, for the backwards compatibility of the GPRS data business provided with 2G/3G system, be better achieved EPS with The intercommunication of 2G/3G system, as shown in Figure 1, the 4G system can also include the UTRAN/ global system for mobile communications of 2G/3G system (global system for mobile communication, GSM) or enhanced data rates for gsm evolution (enhanced Data rate for GSM evolution, EDGE) Radio Access Network (GSM/EDGE radio access network, GERAN) equipment and Serving GPRS Support Node (serving GPRS support node, SGSN), they take part in terminal The different system carried out between 4G system and 2G/3G system is mobile, and the switching of movement and connected state including Idle state is united herein One explanation, repeats no more below.

Wherein, when terminal is from 2G/3G system access, terminal is communicated by UTRAN/GERAN equipment with SGSN, UTRAN/ GERAN equipment is communicated by S12 with SGW, and SGSN is communicated by S3 with MME, and SGSN is communicated by S4 with SGW.

As shown in Fig. 2, being the configuration diagram of existing 4.5G system.4.5 system is relative to 4G system shown in FIG. 1 Difference be only that by 4G system SGW and PGW fusion SGW/PGW control plane (SGW/PGW-control plane, SGW/PGW-C it) is replaced with the SGW/PGW user face (SGW/PGW-user plane, SGW/PGW-U) of fusion, wherein fusion SGW/PGW-C is communicated by the Sxa/Sxb of fusion with the SGW/PGW-U merged, and the SGW/PGW-C of fusion passes through S11-C and MME The SGW/PGW-U of communication, fusion is communicated by S1-U with E-UTRAN equipment, and the SGW/PGW-U of fusion is logical by S11-U and MME The SGW/PGW-U of letter, fusion passes through SGi access server.The description of the interface of remaining each network element and each network element can With reference to Fig. 1, details are not described herein.

It is similar, for the backwards compatibility of the GPRS data business provided with 2G/3G system, be better achieved EPS with The intercommunication of 2G/3G system, as shown in Fig. 2, the 4.5G system can also include 2G/3G system UTRAN/GERAN equipment and SGSN, they take part in the different system movement that terminal carries out between 4.5G system and 2G/3G system, the movement including Idle state It with the switching of connected state, is described collectively, repeats no more below herein.

Wherein, when terminal is from 2G/3G system access, terminal is communicated by UTRAN/GERAN equipment with SGSN, UTRAN/ GERAN equipment is communicated by S12 with the SGW/PGW-U that merges, and SGSN is communicated by S3 with MME, SGSN pass through S4-C with merge SGW/PGW-C communication, SGSN communicated by S4-U with the SGW/PGW-U that merges.

It should be noted that simplify the description, the SGW/PGW-C of fusion is directly referred to as SGW/ in following embodiment The SGW/PGW-U of fusion is directly referred to as SGW/PGW-U, is described collectively, repeats no more herein below by PGW-C.

Optionally, if terminal for example can be base station from the UTRAN/GERAN equipment in 2G system access, Fig. 1 or Fig. 2 System (base station system, BSS)；If terminal is set from the UTRAN/GERAN in 3G system access, Fig. 1 or Fig. 2 Standby for example to can be radio network controller (radio network controller, RNC), the embodiment of the present application does not make this It is specific to limit.In addition, the E-UTRAN equipment in Fig. 1 or Fig. 2 for example can be evolved node B (evolved nodeB, ENodeB), the embodiment of the present application is not especially limited this.

Optionally, other network elements are also possible that in EPS shown in fig. 1 or fig. 2, as the strategy in EPS is advised with charging Then function (policy and charging rules function, PCRF) network element etc., the embodiment of the present application, which does not do this, to be had Body limits.

Optionally, the interface name between the name and each network element of each network element in Fig. 1 or Fig. 2 is one and shows Example, the name of each network element perhaps interface between each network element may can also for other names or network element in specific implementation To be referred to as entity, the embodiment of the present application is not especially limited this.

Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application is described.Its In, in the description of the present application, unless otherwise indicated, "/" indicate or the meaning, for example, A/B can indicate A or B；Herein "and/or" be only a kind of incidence relation for describing affiliated partner, indicate may exist three kinds of relationships, for example, A and/or B, Can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.Also, in the description of the present application, remove Non- to be otherwise noted, " multiple " refer to two or more.In addition, for the ease of clearly describing the technical side of the embodiment of the present application Case, in embodiments herein, use the printed words such as " first ", " second " to function and act on essentially identical identical entry or Similar item distinguishes.It will be appreciated by those skilled in the art that the printed words such as " first ", " second " are not to quantity and execution order It is defined, and the printed words such as " first ", " second " also do not limit certain difference.

In addition, the network architecture and business scenario of the embodiment of the present application description are to more clearly illustrate the application The technical solution of embodiment does not constitute the restriction for technical solution provided by the embodiments of the present application, ordinary skill Personnel it is found that with the differentiation of the network architecture and the appearance of new business scene, technical solution provided by the embodiments of the present application for Similar technical problem, it is equally applicable.

As shown in figure 3, for a kind of configuration diagram for carrying processing system 30 provided by the embodiments of the present application, at the carrying Reason system 30 includes the second mobile management net element of the activated state extension EPS carrying (Extended EPS bearer) of terminal 301 and extension EPS bearing association the second Gateway Network Element 302.

Wherein, the second mobile management net element 301, for determining first system in the case where terminal accesses the first system After system does not support extension EPS to carry, extension EPS is carried and is hung up, and sent notice to the second Gateway Network Element 302 and disappear Breath, the notification message is for notifying the second Gateway Network Element 302 carries extension EPS to hang up.Wherein, which includes 2G System, 3G system or the first EPS.

Second Gateway Network Element 302 for receiving the notification message for hanging up extension EPS carrying, and disappears according to the notice Extension EPS is carried and is hung up by breath.

Optionally, in the embodiment of the present application, extension EPS carrying refers to that the EPS that support is newly extended on the basis of existing EPS is held It carries, for example the EPS carrying number that existing EPS maximum is supported is 11, if the EPS that EPS maximum is supported carries number from 11 extensions To 15, then the 4 EPS carrying newly extended is referred to as extension EPS carrying.Correspondingly, the context for extension EPS load creating claims For the context (EPS bearer context) of extension EPS carrying, it is described collectively, repeats no more below herein.In addition, this Shen Please the extension EPS carrying in embodiment be a kind of naming method, it can also have other names, existing for being characterized in The EPS carrying of support is newly extended on the basis of EPS, such as increased EPS carries (the increased number of Bearers), the present embodiment is not especially limited this.

Optionally, in the embodiment of the present application, EPS carrying also implies that the context of EPS carrying；There is extension EPS to hold The context for also implying that extension EPS carrying is carried, is described collectively, repeats no more below herein.Wherein, EPS carrying is upper and lower Text for example may include the mark of EPS carrying, in the address information of mobile management net element and the address information of Gateway Network Element extremely It is one few；The context of extension EPS carrying such as may include the mark for extending EPS carrying, the address letter of mobile management net element At least one of the address information of breath and Gateway Network Element, the embodiment of the present application is not especially limited this.

It optionally, can be straight between the second mobile management net element 301 and the second Gateway Network Element 302 in the embodiment of the present application Letter is connected, can also be communicated by the forwarding of other equipment, the embodiment of the present application is not especially limited this.

Optionally, carrying processing system provided by the embodiments of the present application can be applied in 4G system as shown in Figure 1, It can be applied in 4.5G system as shown in Figure 2, the embodiment of the present application is not especially limited this.

Illustratively, if carrying processing system provided by the embodiments of the present application is applied in 4G system as shown in Figure 1, Network element corresponding to the second above-mentioned mobile management net element 301 or entity can be the MME in Fig. 1, the second above-mentioned gateway Network element corresponding to network element 302 or entity can be SGW the SCEF network element in Fig. 1.

Alternatively, it is illustrative, if carrying processing system provided by the embodiments of the present application is applied to 4.5G system as shown in Figure 2 In system, then network element or entity corresponding to the second above-mentioned mobile management net element 301 can be the MME in Fig. 2, above-mentioned the Network element corresponding to two Gateway Network Element 302 or entity can be SGW/PGW-C the SCEF network element in Fig. 2.

In carrying processing system provided by the embodiments of the present application, in the case where terminal accesses the first system, if there is terminal Activated state extension EPS carrying the second mobile management net element determine the first system do not support extension EPS carry, then should Extend EPS carrying hang up, and notify the second Gateway Network Element by extension EPS carry hang up, and then the second Gateway Network Element can will Extension EPS carrying is hung up, wherein the first system includes 2G system, 3G system or the first EPS.Therefore, based at the carrying Reason system can solve in EPS and EPS carrying expansion bands are come when 2G/3G interoperability of system problem, avoid because terminal is from support The EPS of extension EPS carrying is moved to 2G/3G system or does not support the extension EPS that may cause when the EPS of extension EPS carrying Carry the problem that must be deleted, so can in the case where subsequent terminal access the EPS for supporting extension EPS to carry again, Directly restore the extension EPS carrying hung up, without rebuilding extension EPS carrying, to realize the fast quick-recovery of business.

Optionally, as shown in figure 4, the framework for another carrying processing system 40 provided by the embodiments of the present application is illustrated Figure, the carrying processing system 40 include the second mobile management net element 401 of the activated state extension EPS carrying of terminal, the extension The control plane Gateway Network Element 402 of EPS bearing association and the user plane gateway network element 403 of extension EPS bearing association.

Wherein, the second mobile management net element 401, for determining first system in the case where terminal accesses the first system After system does not support extension EPS to carry, extension EPS is carried and is hung up, and is logical to the transmission of control plane Gateway Network Element 402 first Know message, first notification message is for notifying control plane Gateway Network Element 402 carries extension EPS to hang up.Wherein, this first System includes 2G system, 3G system or the first EPS.

Control plane Gateway Network Element 402, for receiving the first notification message for hanging up extension EPS carrying, and according to this First notification message after hanging up extension EPS carrying, sends second notification message to user plane gateway network element 403, this The packets forwarding control protocol that two notification messages are used to notify user plane gateway network element 403 that extension EPS carrying is associated (Packet Forwarding Control Protocol, PFCP) session is hung up.

User plane gateway network element 403 leads to for receiving hang up the associated PFCP session of extension EPS carrying second Know message, and according to the second notification message, the associated PFCP session of extension EPS carrying is hung up.

Optionally, the second mobile management net element 401 in the embodiment of the present application and can be between control plane Gateway Network Element 402 Direct communication can also be communicated by the forwarding of other equipment, and the embodiment of the present application is not especially limited this.

It optionally, can be straight between the control plane Gateway Network Element 402 in the embodiment of the present application and user plane gateway network element 403 Letter is connected, can also be communicated by the forwarding of other equipment, the embodiment of the present application is not especially limited this.

Optionally, carrying processing system provided by the embodiments of the present application can be applied in 4.5G system as shown in Figure 2. Wherein, network element or entity corresponding to the second above-mentioned mobile management net element 401 can be the MME in Fig. 2, above-mentioned control Network element corresponding to face Gateway Network Element 402 or entity can be the SGW/PGW-C in Fig. 2, above-mentioned user plane gateway network element Network element corresponding to 403 or entity can be the SGW/PGW-U in Fig. 2.

In carrying processing system provided by the embodiments of the present application, in the case where terminal accesses the first system, if there is terminal Activated state extension EPS carrying the second mobile management net element determine the first system do not support extension EPS carry, then should It extends EPS carrying to hang up, and notifies control plane Gateway Network Element carries extension EPS to hang up, wherein the first system includes 2G System, 3G system or the first EPS.Control plane Gateway Network Element is receiving the first notification message for hanging up extension EPS carrying Later, PFCP session extension EPS carrying hung up, while notifying user plane gateway network element that extension EPS carrying is associated It hangs up, and then extension EPS can be carried associated PFCP session and hung up by user plane gateway network element.Therefore, it is held based on this Carry processing system, can solve in EPS and EPS carrying expansion bands are come when 2G/3G interoperability of system problem, avoid because terminal from It supports the EPS of extension EPS carrying to be moved to 2G/3G system or does not support the extension that may cause when the EPS of extension EPS carrying The problem that EPS carrying or the associated PFCP session of extension EPS carrying must be deleted, so can subsequent terminal again In the case that the EPS of extension EPS carrying is supported in access, directly restores the extension EPS carrying hung up or extension EPS carrying is closed The PFCP session of connection, without rebuilding PFCP session associated by extension EPS carrying or extension EPS carrying, thus real The fast quick-recovery of existing business.

Optionally, terminal (terminal) involved in the embodiment of the present application may include various with wireless communication The handheld device of function, wearable device, calculates equipment or is connected to other processing of radio modem and set mobile unit It is standby；It can also include subscriber unit (subscriber unit), cellular phone (cellular phone), smart phone (smart phone), wireless data card, are put down at personal digital assistant (personal digital assistant, PDA) computer Template computer, radio modem (modem), handheld device (handheld), laptop computer (laptop Computer), wireless phone (cordless phone) or wireless local loop (wireless local loop, WLL) Platform, machine type communication (machine type communication, MTC) terminal, user equipment (user equipment, UE), mobile station (mobile station, MS), terminal device (terminal device) or trunk subscriber equipment etc..Its In, trunk subscriber equipment for example can be 5G home gateway (residential gateway, RG).For convenience of description, the application In, apparatus mentioned above is referred to as terminal.

Optionally, the terminal in the embodiment of the present application, the second mobile management net element in Fig. 3 or the second Gateway Network Element, The second mobile management net element or user plane gateway network element in Fig. 4 can be by an equipment realizations, can also be by multiple equipment It is common to realize, it can also be that a functional module in an equipment, the embodiment of the present application are not especially limited this.It can manage Solution, above-mentioned function are also possible to the software function run on specialized hardware either network element in hardware device The virtualization instantiated on energy or platform (for example, cloud platform).

For example, the second mobile management net element or the second Gateway Network Element, Fig. 4 in terminal, Fig. 3 in the embodiment of the present application In the second mobile management net element or user plane gateway network element can be realized by the communication equipment in Fig. 5.Fig. 5 is shown The hardware structural diagram of communication equipment provided by the embodiments of the present application.The communication equipment 500 includes at least one processor 501, communication line 502, memory 503 and at least one communication interface 504.

Processor 501 can be a general central processor (central processing unit, CPU), micro process Device, application-specific integrated circuit (application-specific integrated circuit, ASIC) or one or more A integrated circuit executed for controlling application scheme program.

Communication line 502 may include an access, and information is transmitted between said modules.

Communication interface 504, using the device of any transceiver one kind, for other equipment or communication, such as Ethernet, wireless access network (radio access network, RAN), WLAN (wireless local area Networks, WLAN) etc..

Memory 503 can be read-only memory (read-only memory, ROM) or can store static information and instruction Other kinds of static storage device, random access memory (random access memory, RAM) or letter can be stored The other kinds of dynamic memory of breath and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory (electrically Erasable programmable read-only memory, EEPROM), CD-ROM (compact disc read- Only memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, digital universal Optical disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store to have referring to Enable or data structure form desired program code and can by any other medium of computer access, but not limited to this. Memory, which can be, to be individually present, and is connected by communication line 502 with processor.Memory can also be integrated in processor Together.

Wherein, memory 503 be used for store execution application scheme computer executed instructions, and by processor 501 Control executes.Processor 501 is for executing the computer executed instructions stored in memory 503, to realize that the application is following The bearing processing method that embodiment provides.

Optionally, the computer executed instructions in the embodiment of the present application can also be referred to as application code, the application Embodiment is not especially limited this.

In the concrete realization, as one embodiment, processor 501 may include one or more CPU, such as in Fig. 5 CPU0 and CPU1.

In the concrete realization, as one embodiment, communication equipment 500 may include multiple processors, such as in Fig. 5 Processor 501 and processor 508.Each of these processors can be monokaryon (single-CPU) processor, It can be multicore (multi-CPU) processor.Here processor can refer to one or more equipment, circuit, and/or use In the processing core of processing data (such as computer program instructions).

In the concrete realization, as one embodiment, communication equipment 500 can also include that output equipment 505 and input are set Standby 506.Output equipment 505 and processor 501 communicate, and can show information in many ways.For example, output equipment 505 can To be liquid crystal display (liquid crystal display, LCD), Light-Emitting Diode (light emitting diode, LED equipment) is shown, cathode-ray tube (cathode ray tube, CRT) shows equipment or projector (projector) etc.. Input equipment 506 and processor 501 communicate, and can receive the input of user in many ways.For example, input equipment 506 can be with It is mouse, keyboard, touch panel device or sensing equipment etc..

Above-mentioned communication equipment 500 can be a common apparatus either special equipment.In the concrete realization, lead to Letter equipment 500 can be desktop computer, portable computer, network server, palm PC (personal digital Assistant, PDA), cell phone, tablet computer, wireless terminal device, embedded device or have setting for similar structures in Fig. 5 It is standby.The embodiment of the present application does not limit the type of communication equipment 500.

Bearing processing method provided by the embodiments of the present application is specifically addressed below in conjunction with Fig. 1 to Fig. 5.

It should be noted that each parameter in message name or message in the following embodiments of the application between each network element Name etc. is an example, is also possible to other names in specific implementation, the embodiment of the present application is not especially limited this.

In addition, terminal is sent to disappearing between the message and core network internal of core net in the following embodiments of the application Breath, all carries the identification information of terminal, so that recipient knows operate for which terminal.Namely It says, the operations such as creation, hang-up, recovery or deletion of all extension EPS carryings are all terminal granularities, it is described collectively herein, It repeats no more below.

Firstly, by taking carrying processing system shown in Fig. 3 is applied to 4G system as shown in Figure 1 as an example, as shown in fig. 6, giving Terminal and network side are supported the process of extension EPS bearer negotiation out.The negotiation process is that the following embodiments of the application provide Bearing processing method basis, include the following steps:

S601, terminal send the first Non-Access Stratum (non-access stratum, NAS) message to MME, so that MME Receive the first NAS message for carrying out self terminal.

Wherein, which supports ability (the UE extended bearer of extension EPS carrying Support capability) information, it is intended to tell the MME terminal to support extension EPS carrying.Optionally, MME receive this After one NAS message, the ability information that terminal supports extension EPS carrying can be saved in the context of terminal.

Optionally, in the present embodiment, corresponding to different processes, which specifically can be different message. For example, corresponding initial attachment flow, first NAS message for example can be attach request (attach request) message；Or Person, corresponding tracking area update (tracking area update, TAU) process, first NAS message can for example can be TAU requests (TAU request) message；Alternatively, corresponding packet data network (packet data network, PDN) connection is built Vertical process, first NAS message for example can be PDN connection request (PDN connectivity request) message, this reality Applying example is specifically that message is not specifically limited to the first NAS message.

Optionally, in initial attachment flow, TAU process or PDN connection building process, if the expansion that the process is influenced Exhibition EPS carrying is carried by the extension EPS of SGW and PGW, then continues to execute step S602a-S604a: if the process is influenced Extension EPS carrying be by SCEF network element extension EPS carry, then continue to execute step S602b-S603b.

Wherein, the present embodiment step S602a-S604a is as follows:

The ability information for the support extension EPS carrying that S602a, MME are reported according to terminal, determines SGW and PGW, to ensure Selected SGW and PGW supports extension EPS carrying.

S603a, MME send the ability information that terminal supports extension EPS to carry to SGW, so that SGW, which is received, comes from MME Terminal support extension EPS carrying ability information.

Optionally, for initial attachment flow or PDN connection building process, if the extension EPS carrying that the process is influenced It is to be carried by the extension EPS of SGW and PGW, MME sends creation session request (create session request) to SGW, Wherein, the ability information that carried terminal supports extension EPS to carry in the creation session request.

Alternatively, it is optional, for TAU process, if the extension EPS carrying that the process is influenced is the expansion by SGW and PGW The SGW of exhibition EPS carrying and service terminal does not change, and MME sends modification carrying request (modify bearer to SGW Request), wherein carried terminal supports the ability information of extension EPS carrying in modification carrying request.

Alternatively, it is optional, for TAU process, if the extension EPS carrying that the process is influenced is the expansion by SGW and PGW The SGW of exhibition EPS carrying and service terminal changes, and MME sends creation session request to SGW, wherein the creation session request Middle carried terminal supports the ability information of extension EPS carrying.

Optionally, in the present embodiment, after SGW receives the ability information that the terminal from MME supports extension EPS carrying, The ability information that terminal supports extension EPS carrying can be saved in the context of terminal, the present embodiment does not limit this specifically It is fixed.

S604a, SGW send the ability information that terminal supports extension EPS to carry to PGW, so that PGW, which is received, comes from SGW Terminal support extension EPS carrying ability information.

Optionally, for initial attachment flow or PDN connection building process, if the extension EPS carrying that the process is influenced It is to be carried by the extension EPS of SGW and PGW, SGW sends creation session request to PGW, wherein takes in the creation session request Tape terminal supports the ability information of extension EPS carrying.

Alternatively, it is optional, for TAU process, if the extension EPS carrying that the process is influenced is the expansion by SGW and PGW EPS carrying is opened up, SGW sends modification carrying request to PGW, wherein carried terminal supports extension EPS to hold in modification carrying request The ability information of load.

Optionally, in the present embodiment, after PGW receives the ability information that the terminal from SGW supports extension EPS carrying, The ability information that terminal supports extension EPS carrying can be saved in the context of terminal, the present embodiment does not limit this specifically It is fixed.

Wherein, the present embodiment step S602b-S603b is as follows:

The ability information for the support extension EPS carrying that S602b, MME are reported according to terminal, determines SCEF network element, to ensure Selected SCEF network element supports extension EPS carrying.

S603b, MME send creation SCEF connection request (create SCEF connection to SCEF network element Request), so that SCEF network element receives the creation SCEF connection request from MME.Wherein, creation SCEF connection request Carried terminal supports the ability information of extension EPS carrying.

It optionally,, can be with after SCEF network element obtains the ability information that terminal supports extension EPS carrying in the present embodiment The ability information that terminal supports extension EPS carrying is saved in the context of terminal, the present embodiment is not especially limited this.

Optionally, in the present embodiment, if the NAS process of the first NAS message triggering runs succeeded, terminal and network side into Row supports that the process of extension EPS bearer negotiation further includes following steps:

S605, MME send the second NAS message to terminal, so that terminal receives the second NAS message from MME.

Wherein, which carries the ability information of network support extension EPS carrying.Optionally, terminal is receiving After second NAS message, the ability information of network support extension EPS carrying can be saved in the context of terminal.

Optionally, if network does not support extension EPS carrying, the second NAS message does not carry network support extension EPS carrying Ability information.In this way, terminal is according to the second NAS message, you can learn that whether network supports extension EPS carrying.

Optionally, in the present embodiment, corresponding to different processes, which specifically can be different message. For example, corresponding initial attachment flow, which for example can be attachment and receives (attach accept) message；Or Person, corresponding TAU process, second NAS message can for example can be TAU and receive (TAU accept) message；Alternatively, corresponding PDN connection building process, second NAS message for example can be PDN connection receiving (PDN connectivity accept) and disappear Breath or activation default bearer context request message, the present embodiment is specifically that message is not done specifically to the second NAS message It limits.

Optionally, in the present embodiment, the extension EPS that MME is the terminal distribution can also be carried in second NAS message and is held Carry the time span for hanging up (Suspend), as the following examples in the first preset duration or the second preset duration, in case subsequent Processing extension EPS carrying uses, and the present embodiment is not especially limited this.Certainly, first preset duration or second it is default when Length is also possible to configure in terminal and MME in advance, and the present embodiment is not especially limited this.

It should be noted that the above-mentioned steps in Fig. 6 are initial attachment flow, TAU process or the PDN initiated in terminal It is executed in connection building process, it is other included by complete initial attachment flow, TAU process or PDN connection building process Step is the prior art, and it will not be described here.

Based on negotiation process provided in this embodiment, terminal and network know whether other side supports extension EPS carrying, into And required extension EPS can be activated to carry according to the needs of business, meet the needs of more business concurrency.

Wherein, the movement of terminal or MME of the above-mentioned steps S601 into S605 can communication equipment as shown in Figure 5 Processor 501 in 500 calls the application code stored in memory 503 to execute, and the present embodiment does not make this any Limitation.

Below by taking carrying processing system shown in Fig. 3 is applied to 4G system as shown in Figure 1 as an example, the application implementation is provided The bearing processing method that example provides is as shown in Fig. 7 to Figure 12.

Optionally, it is assumed that the application scenarios of the bearing processing method are as follows: have the terminal idle state of activated state extension EPS carrying It is moved to 2G/3G system, then as shown in fig. 7, bearing processing method provided in this embodiment includes the following steps:

S701, terminal have activated extension EPS carrying in the 4G system for supporting extension EPS carrying, and Idle state it is mobile into After entering 2G/3G system, 2G/3G system is accessed.

Wherein, in the embodiment of the present application, terminal, which accesses some system and specifically refers to the terminal, has been successfully selected the system institute The suitable cell (suitable cell) of the access technology of support is normally resident.It is exemplary, if terminal success is at one GERAN suitable cell is normally resident, then shows that the terminal has accessed 2G system；If terminal success is suitable in a UTRAN Cell is normally resident, then shows that the terminal has accessed 3G system；If terminal success is carried out in an E-UTRAN suitable cell It is normal resident, then show that the terminal has accessed EPS, is described collectively, repeats no more below herein.

The SGSN of S702, terminal into 2G/3G system sends routing area update (routing area update, RAU) and asks Message is sought, so that SGSN receives the RAU request message for carrying out self terminal.

Optionally, which can support the ability information of extension EPS carrying with carried terminal.

S703, SGSN have the 2nd MME of the activated state extension EPS carrying of terminal to send context request into 4G system (context request), so that the 2nd MME receives the context request from SGSN.

Wherein, which is used for the EPS bearer context of requesting terminal.

S704, the 2nd MME determine that 2G/3G system does not support extension EPS carrying.

Optionally, since SGSN does not support extension EPS carrying, net is not carried in the context request in step S703 Network supports the ability information of extension EPS carrying.And then after the 2nd MME receives the context request from SGSN, due on this The ability information of network support extension EPS carrying is not carried in request hereafter, therefore the 2nd MME can determine 2G/3G system not Support extension EPS carrying.Certainly, if the 2nd MME knows that context request is sended over by SGSN, the 2nd MME can also be with Determine that target network does not support extension EPS carrying, because SGSN is the network element in 2G/3G system, and 2G/3G system itself is not propped up Hold extension EPS carrying.The present embodiment does not limit how the 2nd MME determines that 2G/3G system does not support extension EPS carrying.

Optionally, in the present embodiment, after the 2nd MME receives the context request from SGSN, since the 2nd MME can be with Know context request be sended over by SGSN, therefore the 2nd MME can determine terminal from 2G/3G system access, herein It is described collectively, repeats no more below.

S705, the 2nd MME send context response to SGSN, ring so that SGSN receives the context from the 2nd MME It answers.

Wherein, it since 2G/3G system does not support extension EPS carrying, is only taken in the context response in the present embodiment The context of the non-expanding EPS carrying of tape terminal, namely: the context for extending ESP carrying is not sent to SGSN.

It should be noted that there is no inevitable execution sequencing between step S704 and step S705, it can be and first hold Row step S704, then execute step S705；It is also possible to first carry out step S705, then executes step S704；It can also be simultaneously Step S705 and S704 are executed, the present embodiment is not especially limited this.

S706, SGSN send context confirmation to the 2nd MME, so that context of the 2nd MME reception from SGSN is true Recognize.

Optionally, context confirmation carries the instruction information whether SGW changes, for showing terminal from 2G/3G system The first SGW when access relative to terminal from 4G system access when the 2nd SGW whether change.Wherein, if the 2nd MME is obtained The first SGW when knowing terminal from 2G/3G system access relative to terminal from 4G system access when the 2nd SGW change, then During the session to the 2nd SGW that the 2nd MME is initiated is deleted, the 2nd SGW carries the extension EPS for not deleting hang-up upper Hereafter and associated terminal context information, step S712 and S713 as described below.

All extension EPS of terminal are carried and are hung up by S707, the 2nd MME, that is, are set to suspended state (suspended state)。

Optionally, in the present embodiment, it is first default that the 2nd MME, which can start simultaneously as the timing length of the terminal distribution, The hang-up timer of duration, and terminal contexts relevant to the extension EPS carrying hung up are saved, the identity letter including terminal Breath, the address information of the 2nd SGW, the address information of PGW or the address information of SCEF network element etc., so that the 2nd MME can be identified Which terminal the extension EPS carrying being suspended is, by which SGW and PGW, or passes through which SCEF network element, this implementation Example is not especially limited this.

Optionally, if the extension EPS carrying being suspended is carried by the extension EPS of the 2nd SGW and PGW, continue to hold Row step S708a-S711a；If the extension EPS carrying being suspended is carried by the extension EPS of SCEF network element, continue to execute Step S708b-S709b.

Wherein, the present embodiment step S708a-S711a is as follows:

S708a, the 2nd MME send to the 2nd SGW that the activated state extension EPS for having terminal is carried and hang up notice (suspend Notification) message 1, so that the 2nd SGW receives the hang-up notification message 1 from the 2nd MME.

Wherein, which carries extension EPS carrying and hangs up instruction (extended EPS bearer Suspend indication) information, it is intended to it clearly informs the 2nd SGW, only hangs up extension EPS carrying, other EPS It carries unaffected.

All extension EPS of terminal are carried and are hung up according to notification message 1 is hung up by S709a, the 2nd SGW.

Optionally, the 2nd SGW also saves terminal contexts relevant to the extension EPS carrying hung up, the body including terminal Part information, address information and the address information of PGW of the 2nd MME etc., the present embodiment is not especially limited this.

S710a, the 2nd SGW send to the PGW that the activated state extension EPS for having terminal is carried and hang up notification message 2, so that PGW receives the hang-up notification message 2 from SGW.

Wherein, which carries extension EPS carrying and hangs up instruction information, it is intended to clearly inform PGW, only Extension EPS carrying is hung up, other EPS carryings are unaffected.

All extension EPS of terminal are carried and are hung up according to notification message 2 is hung up by S711a, PGW.

Optionally, PGW also saves terminal contexts relevant to the extension EPS carrying hung up, the identity letter including terminal Breath, the address information of the 2nd SGW and the address information etc. of the 2nd MME, the present embodiment are not especially limited this.

Optionally, PGW also abandons the downlink data received from the extension EPS carrying of hang-up, and the present embodiment is to this It is not especially limited.

Wherein, the present embodiment step S708b-S709b is as follows:

S708b, the 2nd MME send to the SCEF network element that the activated state extension EPS for having terminal is carried and hang up notification message 3, So that SCEF network element receives the hang-up notification message 3 from the 2nd MME.

Wherein, which carries extension EPS carrying and hangs up instruction information, it is intended to clearly inform SCEF net Member only hangs up extension EPS carrying, and other EPS carryings are unaffected.

All extension EPS of terminal are carried and are hung up according to notification message 3 is hung up by S709b, SCEF network element.

Optionally, SCEF network element also saves terminal contexts relevant to the extension EPS carrying hung up, the body including terminal The address information etc. of part information and the 2nd MME, the present embodiment are not especially limited this.

Optionally, SCEF network element also abandons the downlink data received from the extension EPS carrying of hang-up, the present embodiment This is not especially limited.

Further, bearing processing method provided in this embodiment further includes following steps:

If the when S712, the 2nd MME know terminal from 2G/3G system access according to the context confirmation in step S706 One SGW relative to terminal from 4G system access when the 2nd SGW change, then the 2nd MME sends to the 2nd SGW and deletes session Message, so that the 2nd SGW receives the deletion conversation message from the 2nd MME.

It should be noted that there is no inevitable sequencing between step S712 and step S707, it can be and first carry out step Rapid S707, then execute step S712；It is also possible to first carry out step S712, then executes step S707；It can also be and be performed simultaneously Step S707 and S712, the present embodiment are not especially limited this.

S713, the 2nd SGW are deleted in the context of terminal according to conversation message is deleted except the context of extension EPS carrying The terminal contexts except relevant terminal contexts are carried with extension EPS.

It should be noted that step S712 and S713 are an optional steps, if the when terminal is from 2G/3G system access One SGW relative to terminal from 4G system access when the 2nd SGW do not change, then can without carrying out step S712 and S713 is described collectively herein, repeats no more below.

Further, if RAU process runs succeeded, bearing processing method provided in this embodiment further includes walking as follows It is rapid:

S714, SGSN send RAU received message to terminal, so that terminal receives the RAU received message from SGSN.

Optionally, can carry that the 2nd MME is the terminal distribution in the RAU received message in the present embodiment first is default Duration, in case subsequent processing extension EPS carrying uses, the present embodiment is not especially limited this.

It should be noted that the present embodiment step S702-S714 is executed in the RAU process that terminal is initiated, it is complete Other steps included by whole RAU process, are all the prior arts, it will not be described here.

S715, terminal determine that 2G/3G system does not support extension EPS carrying.

Optionally, since SGSN does not support extension EPS carrying, network support expansion is not carried in the RAU received message Open up the ability information of EPS carrying.And then after terminal receives the RAU received message from SGSN, due in the RAU received message The ability information of network support extension EPS carrying is not carried, therefore terminal can determine that 2G/3G system does not support extension EPS to hold It carries.Certainly, if terminal is from 2G/3G system access, since 2G/3G system itself does not support extension EPS carrying, terminal is certainly It can so determine that 2G/3G system does not support extension EPS carrying, without just determining 2G/3G system after receiving RAU received message System does not support extension EPS carrying, and the present embodiment does not limit how terminal determines that 2G/3G system does not support extension EPS carrying.

All extension EPS are carried and are hung up by S716, terminal, that is, are set to suspended state (suspended state).

Optionally, in the present embodiment, terminal can start simultaneously as the timing length of the terminal distribution when being first default Long hang-up timer, and terminal contexts relevant to the extension EPS carrying hung up are saved, including hang up extension EPS carrying The 2nd MME identity etc., the present embodiment is not especially limited this.

Typically, the identity of current the 2nd MME for hanging up extension EPS carrying is included in terminal currently saves second In the global unique temporary identity (globally unique temporary UE identity, GUTI) of MME distribution, in order to The GUTI for the 2nd MME distribution for currently hanging up extension EPS carrying is avoided to be covered by other GUTI, terminal, which will be hung up, extends EPS The GUTI of the 2nd MME distribution of carrying saves as hanging up GUTI (suspended GUTI), and is stored in the extension EPS with hang-up It carries in relevant terminal contexts.Wherein, hang-up GUTI is used to indicate the 2nd MME for hanging up extension EPS carrying.

It should be noted that the hang-up GUTI in the present embodiment is a kind of naming method, it can also have other lives Name, is used to indicate the 2nd MME for hanging up extension EPS carrying, and the present embodiment is not especially limited this.

S717, the extension EPS of hang-up be carried on the first preset duration reach when still in suspended state in the case where, eventually Delete the extension EPS carrying hung up in end.

S718, in the case where the extension EPS of hang-up is carried on when the first preset duration reaches still in suspended state, the Two MME delete the extension EPS carrying hung up.

It should be noted that there is no inevitable execution sequencing between step S717 and step S718, it can be and first hold Row step S717, then execute step S718；It is also possible to first carry out step S718, then executes step S717；It can also be simultaneously Step S717 and S718 are executed, the present embodiment is not especially limited this.

Further, if the extension EPS carrying being suspended is carried by the extension EPS of the 2nd SGW and PGW, this reality Apply example offer bearing processing method further include following steps S719a-S722a: if be suspended extension EPS carrying be by The extension EPS of SCEF network element is carried, then bearing processing method provided in this embodiment further includes following steps S719b-S720b.

Wherein, the present embodiment step SS719a-S722a is as follows:

S719a, the 2nd MME, which send to delete to the 2nd SGW, hangs up notification message 1, so that the 2nd SGW, which is received, comes from second Notification message 1 is hung up in the deletion of MME.

Wherein, which hangs up notification message 1 and is used to notify to delete the extension EPS carrying hung up.

S720a, the 2nd SGW delete the extension EPS carrying of hang-up according to hang-up notification message 1 is deleted.

S721a, the 2nd SGW, which send to delete to PGW, hangs up notification message 2, so that PGW receives deleting from the 2nd SGW Except hang-up notification message 2.

Wherein, which hangs up notification message 2 and is used to notify to delete the extension EPS carrying hung up.

S722a, PGW delete the extension EPS carrying of hang-up according to hang-up notification message 2 is deleted.

Wherein, the present embodiment step S719b-S720b is as follows:

S719b, the 2nd MME, which send to delete to SCEF network element, hangs up notification message 3, so that SCEF network element is received from the Notification message 3 is hung up in the deletion of two MME.

Wherein, which hangs up notification message 3 and is used to notify to delete the extension EPS carrying hung up.

S720b, SCEF network element delete the extension EPS carrying of hang-up according to hang-up notification message 3 is deleted.

Based on bearing processing method provided in this embodiment, it can solve the EPS in EPS and 2G/3G interoperability of system and hold The problem that expansion bands are come being carried, being avoided because may cause when terminal is moved to 2G/3G system from the EPS for supporting extension EPS to carry Extension EPS carries the problem that must be deleted, and then can access the EPS's for supporting extension EPS to carry again in subsequent terminal In the case of, directly restore the extension EPS carrying hung up, without rebuilding extension EPS carrying, to realize the quick of business Restore.

Wherein, terminal of the above-mentioned steps S701 to S722a or S701 into S720b, the 2nd MME, the 2nd SGW, PGW or The movement of person's SCEF network element can processor 501 in communication equipment 500 as shown in Figure 5 call and stored in memory 503 Application code executes, and the present embodiment is not intended to be limited in any this.

Optionally, it is assumed that the application scenarios of the bearing processing method are as follows: have the terminal idle state of activated state extension EPS carrying It is moved to the EPS for not supporting extension EPS carrying, then corresponding bearing processing method is similar with embodiment shown in Fig. 7, and difference is only It is: first, it is the EPS for not supporting extension EPS carrying by the 2G/3G system replacement in embodiment shown in Fig. 7；Second, it will SGSN in embodiment shown in Fig. 7 replaces with the first MME in the EPS for not supporting extension EPS carrying；Third, will be shown in Fig. 7 Embodiment in RAU request message replace with TAU request message, by embodiment shown in Fig. 7 RAU received message replace For TAU received message；4th, in the present embodiment, terminal cannot execute at once the hang-up of extension EPS carrying after accessing EPS Movement is only receiving the TAU receiving from the first MME because terminal does not know whether the EPS supports extension EPS carrying It after message, can just know that the EPS does not support extension EPS carrying, and then just hang up extension EPS carrying.Remaining associated description It can refer to embodiment shown in Fig. 7, details are not described herein.

Optionally, it is assumed that the application scenarios of the bearing processing method are as follows: have the terminal connected state of activated state extension EPS carrying It is switched to 2G/3G system, then as shown in figure 8, bearing processing method provided in this embodiment includes the following steps:

S801, current the E-UTRAN equipment of service is provided to currently having activated state expansion for what terminal provided service for terminal The 2nd MME for opening up EPS carrying sends switching request (handover required), so that the 2nd MME, which is received, comes from E- The switching request of UTRAN equipment.

Wherein, which carries the identification information of the mobile management net element in target network.In the present embodiment, target Network is 2G/3G system, and the mobile management net element in target network is SGSN.

S802, the 2nd MME determine that 2G/3G system does not support extension EPS carrying according to the identification information of SGSN.

S803, the 2nd MME send forwarding re-positioning request (forward relocation request) to SGSN, so that It obtains SGSN and receives the forwarding re-positioning request from the 2nd MME.

Wherein, since 2G/3G system does not support extension EPS carrying, only carried terminal in the forwarding re-positioning request Non-expanding EPS carrying context, will also extend ESP carrying context be not sent to SGSN.

S804, in handoff procedure, E-UTRAN equipment to terminal send switching command (handover command), with So that terminal receives the switching command from E-UTRAN equipment.

S805, terminal access 2G/3G system according to switching command.

After S806, terminal access 2G/3G system, SGSN sends forwarding reorientation completion notice to the 2nd MME (forward relocation complete notification), so that the 2nd MME receives the forwarding weight from SGSN Position completion notice.

Wherein, for informing the 2nd MME, terminal has succeeded from 2G/3G system access forwarding reorientation completion notice, The 2nd MME can determine that terminal from 2G/3G system access, is described collectively herein, repeats no more below at this time.

Optionally, forwarding reorientation completion notice carries the instruction information that whether changes of SGW, for show terminal from The first SGW when 2G/3G system access relative to terminal from 4G system access when the 2nd SGW whether change.Wherein, if The first SGW when 2nd MME knows terminal from 2G/3G system access relative to terminal from 4G system access when the 2nd SGW hair Raw to change, then during the session to the 2nd SGW that the 2nd MME is initiated is deleted, the 2nd SGW will not delete the extension of hang-up The context and associated terminal context information of EPS carrying, step S814 and S815 as described below.

S807, with step S707, associated description can refer to embodiment shown in Fig. 7, and details are not described herein.

S808a-S811a, with step S708a-S711a, associated description can refer to embodiment shown in Fig. 7, herein no longer It repeats.

S808b-S809b, with step S708b-S709b, associated description can refer to embodiment shown in Fig. 7, herein no longer It repeats.

S812, after switching flow completion, SGSN of the terminal into 2G/3G system sends RAU request message so that SGSN receives the RAU request message for carrying out self terminal.

S813, SGSN send RAU received message to terminal, so that terminal receives the RAU received message from SGSN.

Optionally, the step S807-S811a or S807-S809b in the present embodiment are also possible to initiate RAU stream in terminal It is executed after journey (i.e. step S812), the present embodiment is not especially limited this.

It should be noted that the step S801-S813 in the present embodiment is the RAU initiated in switching flow and terminal It is executed in process, other steps included by complete switching flow and RAU process are all the prior arts, refuse herein It repeats.

S814-S815, with step S712-S713, associated description can refer to embodiment shown in Fig. 7, and details are not described herein.

Optionally, the step S814-S815 in the present embodiment is also possible to the RAU stream initiated in switching flow or terminal It is executed in journey, the present embodiment is not especially limited this.

S816-S819, with step S715-S718, associated description can refer to embodiment shown in Fig. 7, and details are not described herein.

S820a-S823a, with step S719a-S722a, associated description can refer to embodiment shown in Fig. 7, herein no longer It repeats.

S820b-S821b, with step S719b-S720b, associated description can refer to embodiment shown in Fig. 7, herein no longer It repeats.

Optionally, in the present embodiment, terminal can also execute extension EPS carrying at once after accessing 2G/3G system Hang-up movement, because 2G/3G system itself does not support extension EPS carrying, there is no need to receive RAU received message until terminal Extension EPS carrying is hung up again later, is described collectively, repeats no more below herein.

Wherein, terminal of the above-mentioned steps S801 to S823a or S801 into S821b, the 2nd MME, the 2nd SGW, PGW or The movement of person's SCEF network element can processor 501 in communication equipment 500 as shown in Figure 5 call and stored in memory 503 Application code executes, and the present embodiment is not intended to be limited in any this.

Optionally, it is assumed that the application scenarios of the bearing processing method are as follows: have the terminal connected state of activated state extension EPS carrying It is switched to the EPS for not supporting extension EPS carrying, then corresponding bearing processing method is similar with embodiment shown in Fig. 8, and difference is only It is: first, it is the EPS for not supporting extension EPS carrying by the 2G/3G system replacement in embodiment shown in Fig. 8；Second, it will SGSN in embodiment shown in Fig. 8 replaces with the first MME in the EPS for not supporting extension EPS carrying；Third, will be shown in Fig. 8 Embodiment in RAU request message replace with TAU request message, by embodiment shown in Fig. 8 RAU received message replace For TAU received message；4th, in the present embodiment, terminal cannot execute at once the hang-up of extension EPS carrying after accessing EPS Movement is only receiving the TAU receiving from the first MME because terminal does not know whether the EPS supports extension EPS carrying It after message, can just know that the EPS does not support extension EPS carrying, and then just hang up extension EPS carrying.Associated description can join Embodiment shown in Fig. 8 is examined, details are not described herein.

Optionally, it is assumed that the application scenarios of the bearing processing method are as follows: have the terminal idle state of pending state extension EPS carrying Be moved to support extension EPS carrying 4G system, and the terminal return to before held terminal extension EPS carrying the 2nd MME, Then as shown in figure 9, bearing processing method provided in this embodiment includes the following steps:

S901, have hang-up extension EPS carrying terminal idle state be moved to support extension EPS carrying 4G system it Afterwards, the 4G system is accessed.

Wherein, the hang-up timer in terminal, which is currently running, shows that terminal has the extension EPS of hang-up to carry.

The 2nd MME of S902, terminal into the 4G system sends TAU request message, so that the 2nd MME reception comes from The TAU request message of terminal.

Wherein, the identification information of the TAU request message carried terminal, the 2nd MME believe according to the identity of terminal Breath can determine the context and relevant that the extension EPS carrying in suspended state of the terminal is preserved in the 2nd MME Terminal contexts.

Optionally, the TAU request message also carried terminal support extension EPS carrying ability information, hang up GUTI or It extends EPS carrying and hangs up at least one of instruction (extended EPS bearer suspend indication) information. Wherein, hang-up GUTI is the GUTI for hanging up the 2nd MME distribution of extension EPS carrying, is used to indicate and hangs up extension EPS carrying 2nd MME；The hang-up instruction information of extension EPS carrying, which is used to indicate terminal, has the extension EPS of hang-up to carry.

S903, the 2nd MME are that the terminal restores the extension EPS hung up carrying, namely removes (clear) and be suspended extension The suspended state of EPS carrying.

Optionally, in the present embodiment, if starting hang-up timer when hanging up extension EPS carrying, and hang-up timing Device is currently running, then the 2nd MME can also stop the hang-up timer being currently running at this time, and the present embodiment does not limit this specifically It is fixed.

It optionally, is exactly that the 2nd MME is distributed, namely is hung up in GUTI and included due to hanging up GUTI in the present embodiment The identification information of 2nd MME, therefore the 2nd MME can also be determined in the 2nd MME according to hang-up GUTI and be preserved the end The context and relevant terminal contexts of the extension EPS carrying in suspended state at end.

In turn, further, if the extension EPS carrying being suspended is carried by the extension EPS of the 2nd SGW and PGW, Whether the 2nd SGW of held terminal extension EPS carrying can be the end before 2nd MME is checked according to the location information of present terminal It holds offer service to select the 2nd SGW if offer service can be continued, and executes step S904a-S907a；If cannot continue Service is provided, then select the 3rd SGW and executes step S904b-S907b.If the extension EPS carrying being suspended is by SCEF net The extension EPS carrying of member, thens follow the steps S904c-S905c.

Wherein, the present embodiment step S904a-S907a is as follows:

S904a, the 2nd MME send modification carrying request 1 to the 2nd SGW, so that the 2nd SGW, which is received, comes from the 2nd MME Modification carrying request 1.

Wherein, modification carrying request 1 carries the contextual information of extension EPS carrying, for example including extension EPS carrying Mark is used to indicate the 2nd SGW and restores the extension EPS hung up carrying.

S905a, the 2nd SGW restore the extension EPS hung up carrying, namely remove (clear) according to modification carrying request 1 It is suspended the suspended state of extension EPS carrying.

S906a, the 2nd SGW send modification carrying request 2 to the PGW for having extension EPS to carry, so that PGW reception comes from The modification carrying request 2 of 2nd SGW.

Wherein, modification carrying request 2 carries the contextual information of extension EPS carrying, for example including extension EPS carrying Mark is used to indicate PGW and restores the extension EPS hung up carrying.

S907a, PGW restore the extension EPS hung up carrying, namely remove and be suspended extension according to modification carrying request 2 The suspended state of EPS carrying.

It should be noted that due in step S904a and S906a in addition to carry extension EPS carrying contextual information it Outside, the contextual information of the contextual information that can be carried with the non-expanding EPS of carried terminal, non-expanding EPS carrying is used for Modify the context of non-expanding EPS carrying.That is, not having only to carry extension EPS carrying in step S904a and S906a Contextual information is consequently belonging to the extension EPS for implicitly restoring to be suspended carrying, is described collectively, repeats no more herein below.

Wherein, the present embodiment step S904b-S907b is as follows:

S904b, the 2nd MME send creation session request to the 3rd SGW, so that the 3rd SGW is received from the 2nd MME's Create session request.

Wherein, which carries the contextual information of extension EPS carrying, for example including extension EPS carrying Mark, being used to indicate the 3rd SGW is that the terminal establishes extension EPS carrying.

S905b, the 3rd SGW create extension EPS carrying according to creation session request, for the terminal.

It should be noted that only carrying the upper of extension EPS carrying in creation session request in the present embodiment step S904b Context information does not carry the contextual information of non-expanding EPS carrying, is consequently belonging to the extension EPS for explicitly restoring to be suspended carrying, It is described collectively, repeats no more below herein.

S906b, the 3rd SGW send modification carrying request 3 to the PGW for having extension EPS to carry, so that PGW reception comes from The modification carrying request 3 of 3rd SGW.

Wherein, modification carrying request 3 carries the contextual information of extension EPS carrying, for example including extension EPS carrying Mark is used to indicate PGW and restores the extension EPS hung up carrying.

S907b, PGW restore the extension EPS hung up carrying, namely remove and be suspended extension according to modification carrying request 3 The suspended state of EPS carrying.

It should be noted that due to other than carrying the contextual information of extension EPS carrying, also being taken in step S906b The contextual information of the non-expanding EPS carrying of tape terminal, the contextual information of non-expanding EPS carrying is for modifying non-expanding The context of EPS carrying.That is, the contextual information that step S906b is carried without only carrying extension EPS, is consequently belonging to Implicitly restore the extension EPS being suspended carrying, is described collectively, repeats no more below herein.

Wherein, the present embodiment step S904c-S905c is as follows:

S904c, the 2nd MME send creation opening service capability function connects request to SCEF network element, so that SCEF net Member receives the creation SCEF connection request from the 2nd MME.

Wherein, creation SCEF connection request carries the contextual information of extension EPS carrying, and it is extensive to be used to indicate SCEF network element The extension EPS carrying hung up again.

S905c, SCEF network element restore the extension EPS hung up carrying according to creation SCEF connection request, namely remove and hung Play the suspended state of extension EPS carrying.

Further, if TAU process runs succeeded, bearing processing method provided in this embodiment further includes walking as follows It is rapid:

S908, the 2nd MME send TAU received message to terminal, receive so that terminal receives the TAU from the 2nd MME Message.Wherein, which carries the instruction information that extension EPS is carried as activation (active) state.

Optionally, in the present embodiment, in TAU received message carry extension EPS be carried as activated state instruction information it is specific It can be with are as follows: the 2nd MME carries EPS bearer context statuses (EPS bearer context in the TAU received message Status) information, and the state for the extension EPS bearer context being resumed is arranged in EPS bearer context statuses information For activated state.It is, of course, also possible to which the instruction that extension EPS is carried as activated state is carried in TAU received message by other means Information, the present embodiment are not especially limited this.

Optionally, the 4G system which also carries access supports the ability information of extension EPS carrying.

Optionally, if the 2nd MME will distribute the time span that a new extension EPS carrying is hung up, such as second it is default when Long, then the TAU received message also carries second preset duration, and the present embodiment is not especially limited this.

It should be noted that the step S902-S908 in the present embodiment is executed in the TAU process that terminal is initiated , other steps included by complete TAU process, are all the prior arts, it will not be described here.

S909, terminal are carried as the instruction information of activated state according to extension EPS, restore the extension EPS hung up carrying, namely Remove the suspended state for being suspended extension EPS carrying.

Optionally, in the present embodiment, if starting hang-up timer when hanging up extension EPS carrying, and hang-up timing Device is currently running, then terminal can also stop the hang-up timer being currently running at this time, and the present embodiment is not especially limited this.

Optionally, if the TAU received message in step S908 also carries the second preset duration, terminal connects in reception TAU After by message, also store second preset duration, in case subsequent hang-ups extension EPS carry when use, the present embodiment to this not Make specific limit.

It should be noted that terminal cannot connect in the embodiment shown in the present embodiment and following Figure 10 to Figure 12 Enter 4G system and restore the extension EPS being suspended carrying at once later, because terminal does not know whether the 4G system of access is supported to expand EPS carrying is opened up, only after receiving the TAU received message from the 2nd MME, can just know that the 4G system supports extension EPS carrying, and then just restore the extension EPS carrying hung up, it is described collectively, repeats no more below herein.

Based on bearing processing method provided in this embodiment, the EPS for supporting extension EPS to carry can be accessed again in terminal In the case where, directly restore the extension EPS carrying hung up, without rebuilding extension EPS carrying, to realize the fast of business Quick-recovery.

Wherein, terminal of the above-mentioned steps S901 into S909, the 2nd MME, the 2nd SGW, the 3rd SGW, PGW or SCEF net The movement of member can the processor 501 in communication equipment 500 as shown in Figure 5 call the application program stored in memory 503 Code executes, and the present embodiment is not intended to be limited in any this.

Optionally, it is assumed that the application scenarios of the bearing processing method are as follows: have the terminal connected state of pending state extension EPS carrying Be switched to support extension EPS carrying 4G system, and the terminal return to before held terminal extension EPS carrying the 2nd MME, Then as shown in Figure 10, bearing processing method provided in this embodiment includes the following steps:

S1001, the current UTRAN/GERAN equipment for providing service for terminal are sent out to the SGSN for currently providing service for terminal Switching request is sent, so that SGSN receives the switching request from UTRAN/GERAN equipment.

Wherein, which carries the identification information of the mobile management net element in target network.In the present embodiment, target Network is the 4G system for supporting extension EPS carrying, and the mobile management net element in target network is the 2nd MME.

S1002, SGSN select the 2nd MME according to the identification information of the 2nd MME.

S1003, SGSN send forwarding re-positioning request to the 2nd MME, so that the 2nd MME receives the forwarding from SGSN Re-positioning request.

Wherein, packet data protocol (the packet data of 2G/3G system is carried in the forwarding re-positioning request Protocol, PDP) context and terminal identification information.

After the 2nd MME receives the forwarding re-positioning request from SGSN, the 2nd MME can determine that terminal connects from EPS Enter.

S1004, with step S903, associated description can refer to embodiment shown in Fig. 9, and details are not described herein.

S1005a-S1008a, with step S904a-S907a, associated description can refer to embodiment shown in Fig. 9, herein not It repeats again.

S1005b-S1008b, with step S904b-S907b, associated description can refer to embodiment shown in Fig. 9, herein not It repeats again.

S1005c-S1006c, with step S904c-S905c, associated description can refer to embodiment shown in Fig. 9, herein not It repeats again.

S1009, in handoff procedure, UTRAN/GERAN equipment to terminal send switching command so that terminal receive come From the switching command of UTRAN/GERAN equipment.

S1010, terminal access 4G system according to switching command.

The 2nd MME of S1011, terminal into the 4G system being currently accessed sends TAU request message, so that the 2nd MME Receive the TAU request message for carrying out self terminal.

Optionally, which supports the ability information of extension EPS carrying, hangs up GUTI or expansion It opens up EPS carrying and hangs up at least one of instruction information.Wherein, hang-up GUTI is the 2nd MME points for hanging up extension EPS carrying The GUTI matched is used to indicate the 2nd MME for hanging up extension EPS carrying；The hang-up instruction information of extension EPS carrying is used to indicate end End has the extension EPS of hang-up to carry.

S1012-S1013, with step S908-S909, associated description can refer to embodiment shown in Fig. 9, no longer superfluous herein It states.

It should be noted that the step S1001-S1012 in the present embodiment is initiated in switching flow and terminal It is executed in TAU process, other steps included by complete switching flow and TAU process, are all the prior arts, herein not It gives and repeating.

Wherein, terminal of the above-mentioned steps S1001 into S1013, the 2nd MME, the 2nd SGW, the 3rd SGW, PGW or SCEF The movement of network element can the processor 501 in communication equipment 500 as shown in Figure 5 call the application journey stored in memory 503 Sequence code executes, and the present embodiment is not intended to be limited in any this.

Optionally, it is assumed that the application scenarios of the bearing processing method are as follows: have the terminal idle state of pending state extension EPS carrying Be moved to support extension EPS carrying 4G system, and the terminal cannot return to before held terminal extension EPS carrying second MME, then as shown in figure 11, bearing processing method provided in this embodiment include the following steps:

S1101, with step S901, associated description refers to embodiment shown in Fig. 9, and details are not described herein.

S1102, similar with step S902, difference is only that the present embodiment replaces the 2nd MME in embodiment shown in Fig. 9 It is changed to the 3rd MME, associated description can refer to embodiment shown in Fig. 9, and details are not described herein.

If S1103, the 3rd MME support extension EPS carrying, the 3rd MME can be according to the extension carried in TAU request message EPS carrying, which is hung up, indicates that information knows terminal currently and has the extension EPS of hang-up to carry；In turn, the 3rd MME can be asked according to TAU The hang-up GUTI carried in message is asked to select the 2nd MME.Wherein, the 2nd MME is the hang-up extension EPS carrying for preserving terminal MME.

S1104, the 3rd MME send context request to the 2nd MME, so that the 2nd MME is received from the upper of the 3rd MME Hereafter request.

Wherein, instruction information is hung up in the identification information of carried terminal and extension EPS carrying in the context request, should Context and the association that instruction information is intended to refer to the extension EPS carrying that the 2nd MME hangs up terminal are hung up in extension EPS carrying Terminal contexts be sent to the 3rd MME.

If preserving the context and associated end that the hang-up extension EPS of the terminal is carried on S1105, the 2nd MME End context namely the extension EPS of terminal carrying are hung up timer and are also being run, then the 2nd MME is that the terminal is restored to hang up Extension EPS carrying, namely remove the suspended state for being suspended extension EPS carrying, and stop the hang-up timer that is currently running.

S1106, the 2nd MME send context response to the 3rd MME, so that the 3rd MME is received from the upper of the 2nd MME Hereafter respond.

Wherein, the extension EPS of carried terminal is carried in the context response context and associated terminal contexts, It include the address information for hanging up the 2nd SGW of extension EPS carrying of the terminal in the associated terminal context information.

Optionally, in the present embodiment, after the 2nd MME sends context response to the 3rd MME, the 2nd MME can be with All contexts for deleting the terminal, the context and associated terminal contexts of the extension EPS carrying including the terminal, with The memory space in the 2nd MME is saved, the present embodiment is not especially limited this.

S1107a-S1110a, with step S904a-S907a, associated description can refer to embodiment shown in Fig. 9, herein not It repeats again.

S1107b-S1110b, with step S904b-S907b, associated description can refer to embodiment shown in Fig. 9, herein not It repeats again.

S1107c-S1108c, with step S904c-S905c, associated description can refer to embodiment shown in Fig. 9, herein not It repeats again.

S1111-S1112, with step S908-S909, associated description can refer to embodiment shown in Fig. 9, no longer superfluous herein It states.

Wherein, terminal of the above-mentioned steps S1101 into S1112, the 2nd MME, the 3rd MME, the 2nd SGW, the 3rd SGW, PGW Or the movement of SCEF network element can the processor 501 in communication equipment 500 as shown in Figure 5 call and stored in memory 503 Application code execute, the present embodiment is not intended to be limited in any this.

Optionally, it is assumed that the application scenarios of the bearing processing method are as follows: have the terminal connected state of pending state extension EPS carrying Be switched to support extension EPS carrying 4G system, and the terminal cannot return to before held terminal extension EPS carrying second MME, then as shown in figure 12, bearing processing method provided in this embodiment include the following steps:

S1201, the UTRAN/GERAN equipment for currently providing service for terminal initiate the connection state switching flow.

Wherein, the specific implementation of step S1201 can refer to existing mode, and it will not be described here.

S1202-S1203, with step S1009-S1010, associated description can refer to embodiment shown in Fig. 10, herein no longer It repeats.

S1204-S1208, with step 1102-S1106, associated description can refer to embodiment shown in Figure 11, herein no longer It repeats.

S1209a-S1212a, similar with step S904a-S907a, difference is only that the non-expanding of terminal in the present embodiment EPS carrying is end-to-end in switching flow (step S1201) to be established, therefore the modification in the present embodiment carries request 1 extends the contextual information of EPS carrying with only carrying in modification carrying request 2, belongs to the extension EPS for explicitly restoring to be suspended and holds It carries, associated description can refer to embodiment shown in Fig. 9, and details are not described herein.

S1209b-S1212b, similar with step S904b-S907b, difference is only that the non-expanding of terminal in the present embodiment EPS carrying is end-to-end in switching flow (step S1201) to be established, therefore the modification in the present embodiment carries request The contextual information that extension EPS carrying is only carried in 3, belongs to the extension EPS carrying for explicitly restoring to be suspended, and associated description can join Embodiment shown in Fig. 9 is examined, details are not described herein.

S1209c-S1210c, with step S904c-S905c, associated description can refer to embodiment shown in Fig. 9, herein not It repeats again.

S1213-S1214, with step S908-S909, associated description can refer to embodiment shown in Fig. 9, no longer superfluous herein It states.

Wherein, terminal of the above-mentioned steps S1201 into S1214, the 2nd MME, the 3rd MME, the 2nd SGW, the 3rd SGW, PGW Or the movement of SCEF network element can the processor 501 in communication equipment 500 as shown in Figure 5 call and stored in memory 503 Application code execute, the present embodiment is not intended to be limited in any this.

Above-mentioned Fig. 6 to Figure 12 is said so that carrying processing system shown in Fig. 3 is applied to 4G system as shown in Figure 1 as an example Bright, certainly, carrying processing system shown in Fig. 3 also can be applied to 4.5G system as shown in Figure 2, alternatively, with shown in Fig. 4 It carries processing system to be applied to for 4.5G system as shown in Figure 2, corresponding negotiation process and bearing processing method and Fig. 6 are extremely Figure 12 is similar, and maximum difference is to have carried out Gateway Network Element separation (the control plane and of control plane Yu user face User plane separation, CUPS), therefore will be applied to below with carrying processing system shown in Fig. 3 as shown in Figure 2 4.5G system, alternatively, by carrying processing system shown in Fig. 4 be applied to 4.5G system as shown in Figure 2 for, illustratively Following Figure 13 is provided to embodiment shown in figure 15.Wherein, embodiment shown in Figure 13 is terminal corresponding with Fig. 6 and network side It is supported the process of extension EPS bearer negotiation, Figure 14 and embodiment shown in figure 15 are respectively application scenarios corresponding with Fig. 7 And the bearing processing method under application scenarios corresponding with Fig. 9.Bearing processing method under remaining scene can refer to Figure 14 or Embodiment shown in figure 15, this is no longer going to repeat them.Figure 13 to embodiment shown in figure 15 will be introduced respectively below.

It is applied to 4.5G system as shown in Figure 2 with carrying processing system shown in Fig. 3, alternatively, with carrying shown in Fig. 4 Processing system is applied to for 4.5G system as shown in Figure 2, provides terminal and network side is supported extension EPS bearer negotiation Process.The negotiation process is the basis for the bearing processing method that the following embodiments of the application provide, and is included the following steps:

S1301-S1305, similar with step S601-S605, difference is only that: first, it will be in embodiment shown in fig. 6 SGW replaces with the SGW/PGW-C in the present embodiment, and the PGW in embodiment shown in fig. 6 is replaced with to the SGW/ in the present embodiment PGW-U；In second, the present embodiment step S1304a, SGW/PGW-C is sent to SGW/PGW-U using PFCP protocol encapsulation The request of PFCP session establishment, the ability information which requests carried terminal that extension EPS is supported to carry.Remaining is related Description can refer to embodiment shown in fig. 6, and details are not described herein.

Wherein, the movement of terminal or MME of the above-mentioned steps S1301 into S1305 can communication equipment as shown in Figure 5 Processor 501 in 500 calls the application code stored in memory 503 to execute, and the present embodiment does not make this any Limitation.

4.5G system as shown in Figure 2 is applied to carrying processing system shown in Fig. 3 below, alternatively, with shown in Fig. 4 It carries processing system to be applied to for 4.5G system as shown in Figure 2, provides bearing processing method provided by the embodiments of the present application As shown in Figure 14 and Figure 15.

Optionally, it is assumed that the application scenarios of the bearing processing method are as follows: have the terminal idle state of activated state extension EPS carrying It is moved to 2G/3G system, then as shown in figure 14, bearing processing method provided in this embodiment includes the following steps:

S1401-S1422a or S1401-S1420b, difference similar with step S701-S722a or S701-S720b It is only that: first, the 2nd SGW in embodiment shown in Fig. 7 is replaced with into the 2nd SGW/PGW-C in the present embodiment, by Fig. 7 Shown in PGW in embodiment replace with the SGW/PGW-U in the present embodiment；Extension in second, the present embodiment step S1410a It plays notification message 2 and uses PFCP protocol encapsulation, which carries extension EPS carrying and hang up instruction information, for leading to Know that SGW/PGW-U will extend the associated PFCP session of EPS carrying and hang up, so in step S1411a SGW/PGW-U according to extension Notification message 2 is played, the associated PFCP session of all extension EPS carrying of terminal is hung up；Third, the present embodiment step Deletion in S1421a hangs up notification message 2 and uses PFCP protocol encapsulation, which hangs up notification message 2 for notifying SGW/ PGW-U deletes the associated PFCP session of the extension EPS carrying hung up, so in step S1422a SGW/PGW-U according to deletion Notification message 2 is hung up, the associated PFCP session of the extension EPS carrying of all hang-up of terminal is deleted.Remaining associated description can With reference to embodiment shown in Fig. 7, details are not described herein.

Based on bearing processing method provided in this embodiment, it can solve the EPS in EPS and 2G/3G interoperability of system and hold The problem that expansion bands are come being carried, being avoided because may cause when terminal is moved to 2G/3G system from the EPS for supporting extension EPS to carry Extension EPS carries the problem that must be deleted, and then can access the EPS's for supporting extension EPS to carry again in subsequent terminal In the case of, directly restore the extension EPS carrying hung up or extend the associated PFCP session of EPS carrying, without rebuilding PFCP session associated by extension EPS carrying or extension EPS carrying, to realize the fast quick-recovery of business.

Wherein, terminal of the above-mentioned steps S1401 to S1422a or S1401 into S1420b, the 2nd MME, the 2nd SGW/ The movement of PGW-C, SGW/PGW-U or SCEF network element can the processor 501 in communication equipment 500 as shown in Figure 5 call The application code that stores in memory 503 executes, and the present embodiment is not intended to be limited in any this.

Optionally, it is assumed that the application scenarios of the bearing processing method are as follows: have the terminal idle state of pending state extension EPS carrying Be moved to support extension EPS carrying 4.5G system, and the terminal return to before held terminal extension EPS carrying second MME, then as shown in figure 15, bearing processing method provided in this embodiment include the following steps:

S1501-S1509, similar with step S901-S909, difference is only that: first, it will be in embodiment shown in Fig. 9 2nd SGW replaces with the 2nd SGW/PGW-C in the present embodiment, and the 3rd SGW in embodiment shown in Fig. 9 is replaced with this reality The 3rd SGW/PGW-C in example is applied, the PGW in embodiment shown in Fig. 9 is replaced with to the 2nd SGW/PGW- in the present embodiment U, in addition, the 3rd SGW/PGW-C will select the 3rd SGW/PGW-U for terminal；Second, by embodiment step S906a shown in Fig. 9 In modification carrying request 2 replace with PFCP session modification requests in the present embodiment step S1506a, the PFCP session modification Request carries the contextual information of extension EPS carrying, and the extension EPS for notifying the 2nd SGW/PGW-U to restore to hang up carries institute Associated PFCP session, and then the 2nd SGW/PGW-U restores to hang according to PFCP session modification request in step S1507a for terminal The associated PFCP session of all extension EPS carrying risen；Third, in the present embodiment step 1506b, the 3rd SGW/PGW-C to The request of PFCP session establishment is sent for the 3rd SGW/PGW-U of terminal selection, PFCP session establishment request carries extension EPS and holds The contextual information of load, so that the 3rd SGW/PGW-U, which receives the PFCP session establishment from the 3rd SGW/PGW-C, requests it Afterwards, the associated PFCP session of extension EPS carrying is created for the terminal.Remaining associated description can refer to embodiment shown in Fig. 9, Details are not described herein.

Based on bearing processing method provided in this embodiment, the EPS for supporting extension EPS to carry can be accessed again in terminal In the case where, directly restore the extension EPS carrying hung up or extend the associated PFCP session of EPS carrying, without weight PFCP session associated by extension EPS carrying or extension EPS carrying is built, to realize the fast quick-recovery of business.

Wherein, terminal of the above-mentioned steps S1501 into S1509, the 2nd MME, the 2nd SGW/PGW-C, the 3rd SGW/PGW- C, the 2nd SGW/PGW-U, the 3rd SGW/PGW-U SCEF network element movement can be in communication equipment 500 as shown in Figure 5 Processor 501 calls the application code stored in memory 503 to execute, and the present embodiment is not intended to be limited in any this.

To sum up, therefore, the embodiment of the present application discloses a kind of bearing processing method, comprising: has activated state extension EPS carrying Terminal access the first system, which includes 2G system, 3G system or the first EPS；Terminal determines that the first system does not prop up Hold extension EPS carrying；Terminal will extend EPS carrying and hang up.

As a kind of realization, bearing processing method disclosed in the present application can also include: to be carried in the extension EPS of hang-up First preset duration reach when still in suspended state in the case where, terminal deletion hang up extension EPS carrying.

As a kind of realization, bearing processing method disclosed in the present application can also include: to have the extension EPS of hang-up to carry Terminal accesses the 2nd EPS；Third mobile management net element of the terminal into the 2nd EPS sends tracking area update TAU request message, The identification information of TAU request message carried terminal；Terminal receives the TAU received message from third mobile management net element, TAU received message carries the instruction information that extension EPS is carried as activated state；Terminal is carried as the finger of activated state according to extension EPS Show information, restores the extension EPS hung up carrying.

Optionally, TAU request message also carried terminal supports the ability information of extension EPS carrying, the hang-up whole world uniquely to face When mark GUTI or extend hang-up instruction at least one of information of EPS carrying, wherein hanging up GUTI is to hang up extension The GUTI of the second mobile management net element distribution of EPS carrying, is used to indicate the second mobile management net for hanging up extension EPS carrying Member, the hang-up instruction information of extension EPS carrying, which is used to indicate terminal, has the extension EPS of hang-up to carry.

Optionally, TAU received message also carries the ability information that the 2nd EPS supports extension EPS carrying.

Optionally, TAU received message also carries the second preset duration；Bearing processing method disclosed in the present application can also wrap It includes: the second preset duration of terminal storage, wherein the second preset duration is the time span for extending EPS carrying and hanging up.

For a kind of realization, bearing processing method disclosed in the present application can also include: the extension EPS of terminal storage and hang-up Relevant terminal contexts are carried, include hanging up GUTI in terminal contexts, hanging up GUTI is hang up extension EPS carrying second The GUTI of mobile management net element distribution is used to indicate the second mobile management net element for hanging up extension EPS carrying.

As a kind of realization, terminal determines that the first system does not support extension EPS carrying, comprising: terminal, which receives, comes from first The location updating received message of first movement managed network element in system；Terminal, which determines, does not carry in location updating received message One system supports the ability information of extension EPS carrying.

In above-mentioned bearing processing method, for example, the operation of terminal can refer to Fig. 6 operation of terminal and above-mentioned phase into Figure 15 Explanatory note is closed, details are not described herein.

In addition, the embodiment of the present application also discloses a kind of bearing processing method, comprising: in the feelings of terminal access the first system Under condition, there is the second mobile management net element of the activated state extension EPS carrying of terminal to determine that the first system does not support extension EPS to hold It carries, which includes second generation 2G system, third generation 3G system or the first EPS；Second mobile management net element will extend EPS Carrying is hung up；Second mobile management net element to extension EPS bearing association the second Gateway Network Element send the first notification message, first Notification message is for notifying the second Gateway Network Element will extend EPS carrying to hang up.

As a kind of realization, bearing processing method disclosed in the present application can also include: to be carried in the extension EPS of hang-up First preset duration reach when still in suspended state in the case where, the second mobile management net element delete hang up extension EPS hold It carries；And second mobile management net element to the second Gateway Network Element send second notification message, second notification message is for notifying the Two Gateway Network Element delete the extension EPS carrying hung up.

As a kind of realization, bearing processing method disclosed in the present application can also include: that the second mobile management net element determines The 2nd EPS access where terminal from the second mobile management net element；Second mobile management net element is that terminal restores the extension hung up EPS carrying.

As a kind of realization, the second mobile management net element determines the 2nd EPS where terminal from the second mobile management net element Access, comprising: the second mobile management net element receives the tracking area update TAU request message for carrying out self terminal, and TAU request message carries The identification information of terminal；Alternatively, the second mobile management net element receives the first movement managed network element in the first system The forwarding RELOCATION REQUEST message of transmission forwards the identification information of RELOCATION REQUEST message carried terminal；Alternatively, second moves Dynamic managed network element receives the context request message that the third mobile management net element in the 2nd EPS is sent, context request The identification information of message carried terminal.

As a kind of realization, the third mobile management net element hair in the 2nd EPS is received in the second mobile management net element After the context request message sent, bearing processing method disclosed in the present application can also include；Second mobile management net element to Third mobile management net element sends the context and associated terminal contexts of the extension EPS carrying restored.

Optionally, associated terminal contexts include the information of the second Gateway Network Element, and the information of the second Gateway Network Element is used for Third mobile management net element determines the third Gateway Network Element in the 2nd EPS for terminal service.

As a kind of realization, where determining terminal from the second mobile management net element in the second mobile management net element second After EPS access, bearing processing method disclosed in the present application can also include: that the second mobile management net element determines in the 2nd EPS For the third Gateway Network Element of terminal service；In the case where third Gateway Network Element is the second Gateway Network Element, the second mobile management net Member notice third Gateway Network Element restores the extension EPS hung up carrying；Alternatively, not being the second Gateway Network Element in third Gateway Network Element In the case of, the second mobile management net element requests third Gateway Network Element to establish extension EPS carrying.

As a kind of realization, third Gateway Network Element includes gateway network element or control plane Gateway Network Element；Second moving tube It manages network element notice third Gateway Network Element and restores the extension EPS hung up carrying, comprising: the second mobile management net element is to third gateway net Member sends modification carrying request, and modification carrying request carries the information of extension EPS carrying, and the information of extension EPS carrying is for referring to Show that third Gateway Network Element restores the extension EPS hung up carrying；Alternatively, the second mobile management net element request third Gateway Network Element is established Extend EPS carrying, comprising: the second mobile management net element sends creation session request to third Gateway Network Element, creates session request The information of extension EPS carrying is carried, it is that terminal establishes extension EPS that the information of extension EPS carrying, which is used to indicate gateway network element, Carrying.

Realize that third Gateway Network Element includes opening service capability network element as another kind；Second mobile management net element notice Third Gateway Network Element restores the extension EPS bearing method hung up, comprising: the second mobile management net element is to opening service capability network element Creation connection request is sent, creation connection request carries the information of extension EPS carrying, and the information of extension EPS carrying is used to indicate Opening service capability network element restores the extension EPS hung up carrying.

As a kind of realization, bearing processing method disclosed in the present application can also include: the second mobile management net element to end End sends TAU received message, and TAU received message carries the instruction information that extension EPS is carried as activated state.

Optionally, TAU request message also carries the ability information that the 2nd EPS supports extension EPS carrying.

Optionally, TAU received message also carries the second preset duration, and the second preset duration is to extend EPS carrying to hang up Time span.

As a kind of realization, after the second mobile management net element will extend EPS carrying hang-up, carrying disclosed in the present application Processing method can also include: the second mobile management net element storage terminal contexts relevant to the extension EPS carrying hung up, eventually The identification information and the first preset duration of identification information, the second Gateway Network Element in the context of end including terminal, first is pre- If when it is a length of extension EPS carrying hang up time span.

As a kind of realization, the second mobile management net element determines that the first system does not support extension EPS carrying, comprising: second Mobile management net element receives the context request message of the first movement managed network element in the first system；Second mobile management Network element, which determines, does not carry the ability information that the first system supports extension EPS carrying in context request message；Or；Second is mobile Managed network element determines that the first system does not support extension EPS carrying, comprising: the second mobile management net element is received from access network element Switching request, switching request carry the identification information of the first movement managed network element in the first system；Second mobile management net element According to the identification information of first movement managed network element, determine that the first system does not support extension EPS carrying.

In above-mentioned bearing processing method, for example, the operation of the second mobile management net element can refer to Fig. 6 into Figure 15 second The operation of MME and above-mentioned related text explanation, details are not described herein.

In addition, the embodiment of the present application also discloses a kind of bearing processing method, comprising: there is the feelings of terminal access the first system Under condition, there is the second Gateway Network Element of the activated state extension EPS carrying of terminal to receive the first notice for carrying extension EPS and hanging up and disappear Breath, which includes second generation 2G system, third generation 3G system or the first EPS；Second Gateway Network Element is according to the first notice Message hangs up extension EPS carrying.

As a kind of realization, bearing processing method disclosed in the present application can also include: that the second Gateway Network Element receives deletion The second notification message of the extension EPS carrying of hang-up；Second Gateway Network Element deletes the extension of hang-up according to second notification message EPS carrying.

As a kind of realization, bearing processing method disclosed in the present application can also include: in the second Gateway Network Element and first For in the different situation of the first Gateway Network Element of terminal service, the second Gateway Network Element receives to have extension EPS by oneself and hold in system The deletion conversation message of the second mobile management net element carried；Second Gateway Network Element deletes the upper of terminal according to conversation message is deleted The hereinafter terminal contexts in addition to the context of extension EPS carrying and extension EPS carry relevant terminal contexts.

As a kind of realization, bearing processing method disclosed in the present application can also include: that the second Gateway Network Element receives recovery The instruction information of the extension EPS carrying of hang-up；Second Gateway Network Element restores the extension EPS hung up carrying according to instruction information.

As a kind of realization, the second Gateway Network Element includes gateway network element or packet data gateway network element or control veil Close network element；Second Gateway Network Element receives the instruction information for the extension EPS carrying for restoring to hang up, comprising: the second Gateway Network Element receives Modification carrying request, modification carrying request carry the information of extension EPS carrying, and the information of extension EPS carrying is used to indicate second Gateway Network Element restores the extension EPS hung up carrying.

As a kind of realization, the second Gateway Network Element includes opening service capability network element；Second Gateway Network Element, which receives, to be restored to hang The instruction information of the extension EPS carrying risen, comprising: the second Gateway Network Element receives creation connection request, and creation connection request carries The recovery for extending EPS carrying indicates information, restores to indicate that information is used to indicate the extension EPS that the second Gateway Network Element restores to hang up and holds It carries.

In above-mentioned bearing processing method, for example, the operation of the second Gateway Network Element can refer to Fig. 7 into Figure 12 the 2nd SGW, The operation of PGW, SCEF network element and above-mentioned related text explanation, either can refer to Figure 14 into Figure 15 the 2nd SGW/PGW-C or The operation of SCEF network element and above-mentioned related text explanation, details are not described herein.

In addition, the embodiment of the present application also discloses a kind of bearing processing method, comprising: in the feelings of terminal access the first system Under condition, there is the user plane gateway network element of the activated state extension EPS carrying of terminal to receive and turn the associated grouping of extension EPS carrying The first notification message that control protocol PFCP session is hung up is sent out, which includes second generation 2G system, third generation 3G system Or the first EPS；User plane gateway network element will extend the associated PFCP session of EPS carrying and hang up according to the first notification message.

As a kind of realization, bearing processing method disclosed in the present application can also include: that the reception of user plane gateway network element is deleted Except the second notification message of the associated PFCP session of the extension EPS carrying of hang-up；User plane gateway network element is according to the second notice Message deletes the associated PFCP session of the extension EPS carrying of hang-up.

As a kind of realization, bearing processing method disclosed in the present application can also include: that user plane gateway network element receives PFCP session modification request, PFCP session modification request carry the information of extension EPS carrying；User plane gateway network element is according to extension The information of EPS carrying restores the associated PFCP session of the extension EPS carrying hung up.

In above-mentioned bearing processing method, for example, the operation of user plane gateway network element can refer to Figure 14 into Figure 15 second The operation of SGW/PGW-U and above-mentioned related text explanation, details are not described herein.

It is above-mentioned that mainly scheme provided by the embodiments of the present application is described from the angle of interaction between each network element.It can With understanding, above-mentioned terminal, the second mobile management net element, the second Gateway Network Element or user plane gateway network element in order to realize on Function is stated, it comprises execute the corresponding hardware configuration of each function and/or software module.Those skilled in the art should hold very much It is easy to realize, unit and algorithm steps described in conjunction with the examples disclosed in the embodiments of the present disclosure, the application can be with hard The combining form of part or hardware and computer software is realized.Some function drives hardware actually with hardware or computer software Mode execute, specific application and design constraint depending on technical solution.Professional technician can be to each spy Fixed application uses different methods to achieve the described function, but this realizes it is not considered that exceeding the model of the application It encloses.

The embodiment of the present application can be according to above method example to terminal, the second mobile management net element, the second Gateway Network Element Or user plane gateway network element carries out the division of functional module, for example, each functional module of each function division can be corresponded to, Two or more functions can be integrated in a processing module.Above-mentioned integrated module both can be using hardware Form is realized, can also be realized in the form of software function module.It should be noted that module in the embodiment of the present application Division is schematically that only a kind of logical function partition, there may be another division manner in actual implementation.

For example, in the case where using the integrated each functional module of model split, Figure 16 shows a kind of device 160 Structural schematic diagram.The device 160 can be the terminal in above-described embodiment, the core being also possible in the terminal in above-described embodiment Piece or circuit, the embodiment of the present application are not especially limited this.Wherein, which includes: AM access module 1601 and processing mould Block 1602.AM access module 1601, for accessing the first system, the first system includes 2G system, 3G system or the first EPS；Processing Module 1602, for determining that the first system does not support extension EPS carrying；Processing module 1602 is also used to extend EPS carrying and hangs It rises.

Optionally, in the embodiment of the present application, processing module 1602 is also used to be carried on first in the extension EPS of hang-up pre- If duration reach when still in suspended state in the case where, delete hang-up extension EPS carrying.

Optionally, in the embodiment of the present application, which can also include transceiver module 1603.AM access module 1601, also For accessing the 2nd EPS；Transceiver module 1603, the third mobile management net element transmission TAU request being also used into the 2nd EPS disappear Breath, the identification information of TAU request message carried terminal；Transceiver module 1603 is also used to receive from third mobile management The TAU received message of network element, TAU received message carry the instruction information that extension EPS is carried as activated state；Processing module 1602, It is also used to be carried as the instruction information of activated state according to extension EPS, restores the extension EPS hung up carrying.

Optionally, in the embodiment of the present application, TAU received message also carries the second preset duration.As shown in figure 16, device 160 can also include memory module 1604；Memory module 1604 is also used to store the second preset duration, wherein second it is default when The time span that a length of extension EPS carrying is hung up.

Optionally, memory module 1604 are also used to store terminal contexts relevant to the extension EPS carrying of hang-up, eventually Holding includes hanging up GUTI in context, and hanging up GUTI is the GUTI for hanging up the second mobile management net element distribution of extension EPS carrying, It is used to indicate the second mobile management net element for hanging up extension EPS carrying.

Optionally, in the embodiment of the present application, processing module 1602 is used to determine that the first system not to support extension EPS carrying, It include: the location updating received message for receiving the first movement managed network element in the first system；Determine location updating The ability information that the first system supports extension EPS carrying is not carried in received message.

Wherein, all related contents for each step that above method embodiment is related to can quote corresponding function module Function description, details are not described herein.

In the present embodiment, which is presented in the form of using the integrated each functional module of model split.This In " module " can refer to specific ASIC, circuit executes the processor and memory of one or more softwares or firmware program, collection At logic circuit and/or other device of above-mentioned function can be provided.

In a simple embodiment, it is shown in fig. 5 to be contemplated that device 160 can use by those skilled in the art Form.

For example, processor 501 in Fig. 5 can by calling the computer executed instructions stored in memory 503 so that Device 160 executes the bearing processing method in above method embodiment.

Specifically, AM access module 1601, processing module 1602, transceiver module 1603 and memory module 1604 in Figure 16 Function/realization process can call the computer executed instructions stored in memory 503 come real by the processor 501 in Fig. 5 It is existing.Alternatively, function/realization process of AM access module 1601 and processing module 1602 in Figure 16 can pass through the processing in Fig. 5 Device 501 calls the computer executed instructions stored in memory 503 to realize, function/reality of the transceiver module 1603 in Figure 16 Existing process can realize that function/realization process of the memory module 1604 in Figure 16 can by the communication interface 504 in Fig. 5 To be realized by the memory 503 in Fig. 5.

Optionally, when the device 160 is chip or circuit, memory 503 can be the storage list in chip or circuit Member, such as register, caching.Certainly, when the device 160 is terminal, memory 503 can be being located at outside chip in terminal The storage unit in portion, the embodiment of the present application are not especially limited this.

Since device provided by the embodiments of the present application can be used for executing above-mentioned bearing processing method, can be obtained Technical effect can refer to above method embodiment, and details are not described herein.

For example, it is mobile that Figure 17 shows one kind second in the case where to use the integrated each functional module of model split The structural schematic diagram of managed network element 170.Second mobile management net element 170 includes: transceiver module 1701 and processing module 1702. Processing module 1702, in the case where terminal accesses the first system, determining that the first system does not support extension EPS carrying, the One system includes 2G system, 3G system or the first EPS；Processing module 1702 is also used to extend EPS carrying and hangs up；Receive and dispatch mould Block 1701, for sending the first notification message to the second Gateway Network Element of extension EPS bearing association, the first notification message is for leading to Know that the second Gateway Network Element will extend EPS carrying and hang up.

Optionally, processing module 1702 are also used to be carried on when the first preset duration reaches in the extension EPS of hang-up and still locate In the case where suspended state, the extension EPS carrying of hang-up is deleted；Transceiver module 1701 is also used to send out to the second Gateway Network Element Second notification message is sent, second notification message is used to that the second Gateway Network Element to be notified to delete the extension EPS carrying hung up.

Optionally, processing module 1702, the 2nd EPS where being also used to determine terminal from the second mobile management net element connect Enter；Processing module 1702 is also used to restore the extension EPS hung up carrying for terminal.

Optionally, processing module 1702 is used to determine the 2nd EPS access where terminal from the second mobile management net element, packet It includes: for receiving the tracking area update TAU request message for carrying out self terminal, the identification information of TAU request message carried terminal； Alternatively, the forwarding RELOCATION REQUEST message sent for receiving the first movement managed network element in the first system, forwarding weight The identification information of locating request message carried terminal；Alternatively, for receiving the third mobile management net in the 2nd EPS The context request message that member is sent, the identification information of context request message carried terminal.

Optionally, transceiver module 1701 are also used to send the upper of the extension EPS carrying restored to third mobile management net element Hereafter and associated terminal contexts.

Optionally, processing module 1702 are also used to determine the third Gateway Network Element in the 2nd EPS for terminal service；Processing Module 1702 is also used in the case where third Gateway Network Element is the second Gateway Network Element, and notice third Gateway Network Element restores to hang up Extension EPS carrying；Alternatively, processing module 1702, is also used in the case where third Gateway Network Element is not or not second Gateway Network Element, Third Gateway Network Element is requested to establish extension EPS carrying.

Optionally, third Gateway Network Element includes gateway network element or control plane Gateway Network Element；Processing module 1702 is used for Third Gateway Network Element is notified to restore the extension EPS hung up carrying, comprising: to ask for sending modification carrying to third Gateway Network Element It asks, modification carrying request carries the information of extension EPS carrying, and it is extensive that the information of extension EPS carrying is used to indicate third Gateway Network Element The extension EPS carrying hung up again；Alternatively, processing module 1702 is for requesting third Gateway Network Element to establish extension EPS carrying, packet Include: for sending creation session request to third Gateway Network Element, creation session request carries the information of extension EPS carrying, extension It is that terminal establishes extension EPS carrying that the information of EPS carrying, which is used to indicate gateway network element,.

Optionally, third Gateway Network Element includes opening service capability network element；Processing module 1702 is for notifying third gateway Network element restores the extension EPS bearing method hung up, comprising: for sending creation connection request, wound to opening service capability network element The information that connection request carries extension EPS carrying is built, the information of extension EPS carrying is used to indicate the recovery of opening service capability network element The extension EPS of hang-up is carried.

Optionally, transceiver module 1701 are also used to send TAU received message to terminal, and TAU received message carries extension EPS is carried as the instruction information of activated state.

Optionally, as shown in figure 17, the second mobile management net element 170 further includes memory module 1703；Memory module 1703, Extension EPS carrying for storing to hanging up relevant terminal contexts include that the identity of terminal is believed in terminal contexts Breath, the identification information of the second Gateway Network Element and the first preset duration, the first preset duration are that the time that extension EPS carrying is hung up is long Degree.

Optionally, processing module 1702 is for determining that the first system does not support extension EPS carrying, comprising: comes for receiving From the context request message of the first movement managed network element in the first system；Second mobile management net element determines context request The ability information that the first system supports extension EPS carrying is not carried in message；Or；Processing module 1702 is for determining the first system System does not support extension EPS carrying, comprising: for receiving the switching request from access network element, switching request carries the first system In first movement managed network element identification information；Second mobile management net element is believed according to the mark of first movement managed network element Breath determines that the first system does not support extension EPS carrying.

In the present embodiment, second mobile management net element 170 is using the integrated each functional module of model split Form is presented.Here " module " can refer to that specific ASIC, circuit execute the processing of one or more softwares or firmware program Device and memory, integrated logic circuit and/or other device of above-mentioned function can be provided.In a simple embodiment, Those skilled in the art is contemplated that second mobile management net element 170 can use form shown in fig. 5.

For example, processor 501 in Fig. 5 can by calling the computer executed instructions stored in memory 503 so that Second mobile management net element 170 executes the bearing processing method in above method embodiment.

Specifically, the function of transceiver module 1701, processing module 1702 in Figure 17 and memory module 1703/realization process The computer executed instructions stored in memory 503 can be called to realize by the processor 501 in Fig. 5.Alternatively, in Figure 17 Function/realization process of processing module 1702 meter that stores in memory 503 can be called by the processor 501 in Fig. 5 Calculation machine executes instruction to realize, function/realization process of the transceiver module 1701 in Figure 17 can pass through the communication interface in Fig. 5 504 realize, function/realization process of the memory module 1703 in Figure 17 can realize by the memory 503 in Fig. 5.

Since above-mentioned bearing processing method, institute's energy can be performed in the second mobile management net element provided in this embodiment The technical effect of acquisition can refer to above method embodiment, and details are not described herein.

Optionally, the embodiment of the present application also provides a kind of chip systems, which includes processor, for supporting Second mobile management net element realizes above-mentioned bearing processing method, such as extension EPS carrying is hung up.In a kind of possible design In, which further includes memory.The memory, for saving the necessary program instruction sum number of the second mobile management net element According to.Certainly, memory can not also be in chip system.The chip system, can be made of chip, also may include chip and Other discrete devices, the embodiment of the present application are not especially limited this.

For example, Figure 18 shows a kind of second gateway in the case where to use the integrated each functional module of model split The structural schematic diagram of network element 180.Second Gateway Network Element 180 includes: transceiver module 1801 and processing module 1802.Transceiver module 1801, it is used in the case where terminal accesses the first system, the first notification message that EPS carries hang-up will be extended by receiving, and first System includes 2G system, 3G system or the first EPS；Processing module 1802, for according to the first notification message, extension EPS to be held It carries and hangs up.

Optionally, transceiver module 1801 are also used to receive the second notification message for deleting the extension EPS carrying hung up；Place Module 1802 is managed, is also used to delete the extension EPS carrying of hang-up according to second notification message.

Optionally, transceiver module 1801 are also used to be the first of terminal service in the second Gateway Network Element and the first system In the different situation of Gateway Network Element, receive to have the deletion conversation message of the second mobile management net element of extension EPS carrying by oneself； Processing module 1802, be also used to according to delete conversation message, delete in the context of terminal except extension EPS carrying context and Extension EPS carries the terminal contexts except relevant terminal contexts.

Optionally, transceiver module 1801 are also used to receive the instruction information for restoring the extension EPS carrying hung up；Handle mould Block 1802 is also used to restore the extension EPS hung up carrying according to instruction information.

Optionally, the second Gateway Network Element 180 includes gateway network element or packet data gateway network element or control plane gateway Network element；Transceiver module 1801 is used to receive the instruction information for restoring the extension EPS carrying hung up, comprising: holds for receiving modification Request is carried, modification carrying request carries the information of extension EPS carrying, and the information of extension EPS carrying is used to indicate the second gateway net Member restores the extension EPS hung up carrying.

Optionally, the second Gateway Network Element 180 includes opening service capability network element；Transceiver module 1801 restores to hang for receiving The instruction information of the extension EPS carrying risen, comprising: for receiving creation connection request, creation connection request carries extension EPS and holds The recovery of load indicates information, restores instruction information and is used to indicate the extension EPS carrying that the second Gateway Network Element restores hang-up.

In the present embodiment, second Gateway Network Element 180 is in the form of using the integrated each functional module of model split To present.Here " module " can refer to specific ASIC, circuit, execute one or more softwares or firmware program processor and Memory, integrated logic circuit and/or other device of above-mentioned function can be provided.In a simple embodiment, ability The technical staff in domain is contemplated that second Gateway Network Element 180 can use form shown in fig. 5.

For example, processor 501 in Fig. 5 can by calling the computer executed instructions stored in memory 503 so that Second Gateway Network Element 180 executes the bearing processing method in above method embodiment.

Specifically, function/realization process of transceiver module 1801 and processing module 1802 in Figure 18 can be by Fig. 5 Processor 501 call in memory 503 computer executed instructions that store to realize.Alternatively, the processing module in Figure 18 1802 function/realization process can call the computer stored in memory 503 execution to refer to by the processor 501 in Fig. 5 It enables to realize, function/realization process of the transceiver module 1801 in Figure 18 can be realized by the communication interface 504 in Fig. 5.

Since above-mentioned bearing processing method can be performed in the second Gateway Network Element provided in this embodiment, can obtain Technical effect can refer to above method embodiment, details are not described herein.

Optionally, the embodiment of the present application also provides a kind of chip systems, which includes processor, for supporting Second mobile management net element realizes above-mentioned bearing processing method, such as according to the first notification message, extension EPS carrying is hung up. In a kind of possible design, which further includes memory.The memory, it is necessary for saving the second Gateway Network Element Program instruction and data.Certainly, memory can not also be in chip system.The chip system can be made of chip, can also With comprising chip and other discrete devices, the embodiment of the present application is not especially limited this.

For example, Figure 18 shows a kind of user's veil in the case where to use the integrated each functional module of model split Close the structural schematic diagram of network element 190.The user plane gateway network element 190 includes: transceiver module 1901 and processing module 1902.Transmitting-receiving Module 1901 hangs up the associated PFCP session of extension EPS carrying for receiving in the case where terminal accesses the first system The first notification message, the first system includes 2G system, 3G system or the first EPS；Processing module 1902, for logical according to first Know message, the associated PFCP session of EPS carrying will be extended and hung up.

Optionally, transceiver module 1901 are also used to receive the associated PFCP session of the extension EPS carrying deleted and hung up Second notification message；Processing module 1902 is also used to be deleted according to second notification message associated by the extension EPS carrying of hang-up PFCP session.

Optionally, transceiver module 1901 are also used to receive PFCP session modification request, and PFCP session modification request, which carries, to expand Open up the information of EPS carrying；Processing module 1902, is also used to the information according to extension EPS carrying, and the extension EPS for restoring to hang up is held Carry associated PFCP session.

In the present embodiment, the user plane gateway network element 190 is using the shape of the integrated each functional module of model split Formula is presented.Here " module " can refer to that specific ASIC, circuit execute the processor of one or more softwares or firmware program And memory, integrated logic circuit and/or other device of above-mentioned function can be provided.In a simple embodiment, originally The technical staff in field is contemplated that the user plane gateway network element 190 can use form shown in fig. 5.

For example, processor 501 in Fig. 5 can by calling the computer executed instructions stored in memory 503 so that User plane gateway network element 190 executes the bearing processing method in above method embodiment.

Specifically, function/realization process of transceiver module 1901 and processing module 1902 in Figure 19 can be by Fig. 5 Processor 501 call in memory 503 computer executed instructions that store to realize.Alternatively, the processing module in Figure 19 1902 function/realization process can call the computer stored in memory 503 execution to refer to by the processor 501 in Fig. 5 It enables to realize, function/realization process of the transceiver module 1901 in Figure 19 can be realized by the communication interface 504 in Fig. 5.

Since above-mentioned bearing processing method can be performed in user plane gateway network element provided in this embodiment, can obtain The technical effect obtained can refer to above method embodiment, and details are not described herein.

Optionally, the embodiment of the present application also provides a kind of chip systems, which includes processor, for supporting User plane gateway network element realizes above-mentioned bearing processing method, such as according to the first notification message, will extend associated by EPS carrying PFCP session is hung up.In a kind of possible design, which further includes memory.The memory, for saving user The necessary program instruction of face Gateway Network Element and data.Certainly, memory can not also be in chip system.The chip system, can To be made of chip, chip and other discrete devices also may include, the embodiment of the present application is not especially limited this.

In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real It is existing.When being realized using software program, can entirely or partly realize in the form of a computer program product.The computer Program product includes one or more computer instructions.On computers load and execute computer program instructions when, all or It partly generates according to process or function described in the embodiment of the present application.The computer can be general purpose computer, dedicated meter Calculation machine, computer network or other programmable devices.The computer instruction can store in computer readable storage medium In, or from a computer readable storage medium to the transmission of another computer readable storage medium, for example, the computer Instruction can pass through wired (such as coaxial cable, optical fiber, number from a web-site, computer, server or data center Word user line (digital subscriber line, DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another A web-site, computer, server or data center are transmitted.The computer readable storage medium can be computer Any usable medium that can be accessed either includes the numbers such as one or more server, data centers that medium can be used to integrate According to storage equipment.The usable medium can be magnetic medium (for example, floppy disk, hard disk, tape), optical medium (for example, DVD), Or semiconductor medium (such as solid state hard disk (solid state disk, SSD)) etc..

Although the application is described in conjunction with each embodiment herein, however, implementing the application claimed In the process, those skilled in the art are by checking the attached drawing, disclosure and the appended claims, it will be appreciated that and it is real Other variations of the existing open embodiment.In the claims, " comprising " (comprising) word is not excluded for other compositions Part or step, "a" or "an" are not excluded for multiple situations.Claim may be implemented in single processor or other units In several functions enumerating.Mutually different has been recited in mutually different dependent certain measures, it is not intended that these are arranged It applies to combine and generates good effect.

Although the application is described in conjunction with specific features and embodiment, it is clear that, do not departing from this Shen In the case where spirit and scope please, it can be carry out various modifications and is combined.Correspondingly, the specification and drawings are only institute The exemplary illustration for the application that attached claim is defined, and be considered as covered within the scope of the application any and all and repair Change, change, combining or equivalent.Obviously, those skilled in the art the application can be carried out various modification and variations without It is detached from spirit and scope.If in this way, these modifications and variations of the application belong to the claim of this application and its Within the scope of equivalent technologies, then the application is also intended to include these modifications and variations.

Claims

1. a kind of bearing processing method, which is characterized in that the described method includes:

There is the terminal access the first system of activated state extension evolved packet system EPS carrying, the first system includes the second generation 2G system, third generation 3G system or the first EPS；

The terminal determines that the first system does not support the extension EPS to carry；

The extension EPS is carried and is hung up by the terminal.

2. the method according to claim 1, wherein the method also includes:

In the case where the extension EPS of hang-up is carried on when the first preset duration reaches still in suspended state, the end Delete the extension EPS carrying hung up in end.

3. method according to claim 1 or 2, which is characterized in that the method also includes:

There is the terminal of the extension EPS carrying of hang-up to access the 2nd EPS；

Third mobile management net element of the terminal into the 2nd EPS sends tracking area update TAU request message, described TAU request message carries the identification information of the terminal；

The terminal receives the TAU received message from the third mobile management net element, described in the TAU received message carries Extension EPS is carried as the instruction information of activated state；

The terminal is carried as the instruction information of activated state according to the extension EPS, restores the extension EPS hung up carrying.

4. according to the method described in claim 3, it is characterized in that, the TAU request message, which also carries the terminal, supports institute The hang-up instruction information for stating the ability information of extension EPS carrying, hanging up whole world unique temporary identity GUTI or extending EPS carrying At least one of, wherein the hang-up GUTI is to hang up the second mobile management net element that the extension EPS is carried to distribute GUTI is used to indicate second mobile management net element for hanging up the extension EPS carrying, the hang-up of the extension EPS carrying Indicate that information is used to indicate the terminal and has the extension EPS of hang-up to carry.

5. the method according to claim 3 or 4, which is characterized in that the TAU received message also carries the 2nd EPS The ability information for supporting the extension EPS to carry.

6. according to the described in any item methods of claim 3-5, which is characterized in that it is pre- that the TAU received message also carries second If duration；The method also includes:

Second preset duration described in the terminal storage, wherein second preset duration is that the extension EPS carrying is hung up Time span.

7. method according to claim 1-6, which is characterized in that the method also includes:

Terminal storage terminal contexts relevant to the extension EPS carrying of hang-up include in the terminal contexts GUTI is hung up, the hang-up GUTI is the GUTI for hanging up the second mobile management net element distribution of the extension EPS carrying, for referring to Show second mobile management net element for hanging up the extension EPS carrying.

8. method according to claim 1-7, which is characterized in that the terminal determines that the first system does not prop up Hold the extension EPS carrying, comprising:

The terminal receives the location updating received message of the first movement managed network element in the first system；

The terminal determines that not carrying the first system in the location updating received message supports what the extension EPS was carried Ability information.

9. a kind of bearing processing method, which is characterized in that the described method includes:

In the case where terminal accesses the first system, there is the of the activated state extension evolved packet system EPS carrying of the terminal Two mobile management net elements determine that the first system does not support the extension EPS to carry, and the first system includes second generation 2G System, third generation 3G system or the first EPS；

The extension EPS is carried and is hung up by second mobile management net element；

Second mobile management net element sends the first notification message to the second Gateway Network Element of the extension EPS bearing association, First notification message is for notifying second Gateway Network Element carries the extension EPS to hang up.

10. according to the method described in claim 9, it is characterized in that, the method also includes:

In the case where the extension EPS of hang-up is carried on when the first preset duration reaches still in suspended state, described the Two mobile management net elements delete the extension EPS carrying hung up；And second mobile management net element is to second net It closes network element and sends second notification message, the second notification message is used to that second Gateway Network Element to be notified to delete the described of hang-up Extend EPS carrying.

11. method according to claim 9 or 10, which is characterized in that the method also includes:

Second mobile management net element determines the 2nd EPS access where the terminal from second mobile management net element；

Second mobile management net element is that the terminal restores the extension EPS hung up carrying.

12. according to the method for claim 11, which is characterized in that second mobile management net element determine the terminal from The 2nd EPS access where second mobile management net element, comprising:

Second mobile management net element receives the tracking area update TAU request message from the terminal, and the TAU request disappears Breath carries the identification information of the terminal；Alternatively,

Second mobile management net element receives the forwarding weight that the first movement managed network element in the first system is sent Locating request message, the forwarding RELOCATION REQUEST message carry the identification information of the terminal；Alternatively,

Second mobile management net element receives the context that the third mobile management net element in the 2nd EPS is sent and asks Message is sought, the context request message carries the identification information of the terminal.

13. according to the method for claim 12, which is characterized in that receive in second mobile management net element from described After the context request message that third mobile management net element in 2nd EPS is sent, the method also includes:

Above and below the extension EPS carrying that second mobile management net element restores to third mobile management net element transmission Literary and associated terminal contexts.

14. according to the method for claim 13, which is characterized in that the associated terminal contexts include second net The information of network element is closed, the information of second Gateway Network Element determines in the 2nd EPS for the third mobile management net element For the third Gateway Network Element of the terminal service.

15. method according to claim 11 or 12, which is characterized in that described in being determined in second mobile management net element After the 2nd EPS access where terminal from second mobile management net element, the method also includes:

Second mobile management net element determine be in the 2nd EPS terminal service third Gateway Network Element；

In the case where the third Gateway Network Element is second Gateway Network Element, described in the second mobile management net element notice Third Gateway Network Element restores the extension EPS hung up carrying；Alternatively,

In the case where the third Gateway Network Element is not second Gateway Network Element, second mobile management net element requests institute It states third Gateway Network Element and establishes the extension EPS carrying.

16. according to the method for claim 15, which is characterized in that the third Gateway Network Element include gateway network element or Control plane Gateway Network Element；Second mobile management net element notifies the third Gateway Network Element to restore the extension EPS hung up Carrying, comprising:

Second mobile management net element sends modification carrying request to the third Gateway Network Element, and the modification carrying request is taken Information with the extension EPS carrying, the information of the extension EPS carrying are used to indicate the third Gateway Network Element and restore to hang up The extension EPS carrying；Alternatively,

Second mobile management net element requests the third Gateway Network Element to establish the extension EPS carrying, comprising:

Second mobile management net element sends creation session request to the third Gateway Network Element, and the creation session request is taken Information with the extension EPS carrying, it is the end that the information of the extension EPS carrying, which is used to indicate the gateway network element, The extension EPS carrying is established at end.

17. according to the method for claim 15, which is characterized in that the third Gateway Network Element includes opening service capability net Member；Second mobile management net element notifies the third Gateway Network Element to restore the extension EPS bearing method hung up, packet It includes:

Second mobile management net element sends creation connection request to the opening service capability network element, and the creation connection is asked The information for carrying the extension EPS carrying is sought, the information of the extension EPS carrying is used to indicate the opening service capability network element Restore the extension EPS hung up carrying.

18. the described in any item methods of 1-17 according to claim 1, which is characterized in that the method also includes:

Second mobile management net element sends TAU received message to the terminal, and the TAU received message carries the extension EPS is carried as the instruction information of activated state.

19. according to the described in any item methods of claim 9-18, which is characterized in that in second mobile management net element by institute After stating extension EPS carrying hang-up, the method also includes:

Second mobile management net element stores terminal contexts relevant to the extension EPS carrying hung up, the terminal The identification information and the first preset duration of identification information, second Gateway Network Element in context including the terminal, First preset duration is the time span that the extension EPS carrying is hung up.

20. according to the described in any item methods of claim 9-19, which is characterized in that second mobile management net element determines institute Stating the first system does not support the extension EPS to carry, comprising:

Second mobile management net element receives the context request of the first movement managed network element in the first system Message；Second mobile management net element determines that not carrying the first system in the context request message supports the expansion Open up the ability information of EPS carrying；Or；

Second mobile management net element determines that the first system does not support the extension EPS to carry, comprising:

Second mobile management net element receives the switching request from access network element, and the switching request carries first system The identification information of first movement managed network element in system；Second mobile management net element is according to the first movement managed network element Identification information, determine that the first system does not support the extension EPS to carry.

21. a kind of bearing processing method, which is characterized in that the described method includes:

In the case where terminal accesses the first system, there is the of the activated state extension evolved packet system EPS carrying of the terminal Two Gateway Network Element receive the first notification message for hanging up the extension EPS carrying, and the first system includes second generation 2G system System, third generation 3G system or the first EPS；

The extension EPS is carried and is hung up according to first notification message by second Gateway Network Element.

22. according to the method for claim 21, which is characterized in that the method also includes:

Second Gateway Network Element receives the second notification message for deleting the extension EPS carrying hung up；

Second Gateway Network Element deletes the extension EPS carrying of hang-up according to the second notification message.

23. the method according to claim 21 or 22, which is characterized in that the method also includes:

It is the different feelings of the first Gateway Network Element of the terminal service in second Gateway Network Element and the first system Under condition, second Gateway Network Element receives the deletion session from the second mobile management net element for having the extension EPS carrying and disappears Breath；

Second Gateway Network Element is deleted in the context of the terminal according to the deletion conversation message except the extension EPS The context of carrying and the extension EPS carry the terminal contexts except relevant terminal contexts.

24. according to the described in any item methods of claim 21-23, which is characterized in that the method also includes:

Second Gateway Network Element receives the instruction information for the extension EPS carrying for restoring to hang up；

Second Gateway Network Element restores the extension EPS hung up carrying according to the instruction information.

25. according to the method for claim 24, which is characterized in that second Gateway Network Element include gateway network element or Packet data gateway network element or control plane Gateway Network Element；

Second Gateway Network Element receives the instruction information for the extension EPS carrying for restoring to hang up, comprising:

Second Gateway Network Element receives modification carrying request, and the modification carrying request carries the letter of the extension EPS carrying Breath, the information of the extension EPS carrying are used to indicate second Gateway Network Element and restore the extension EPS hung up carrying.

26. according to the method for claim 24, which is characterized in that second Gateway Network Element includes opening service capability net Member；

Second Gateway Network Element receives creation connection request, and the creation connection request carries the extensive of the extension EPS carrying Indicate that information, the instruction information of restoring are used to indicate the extension EPS carrying that second Gateway Network Element restores hang-up again.

27. a kind of bearing processing method, which is characterized in that the described method includes:

In the case where terminal accesses the first system, there is the use of the activated state extension evolved packet system EPS carrying of the terminal Family face Gateway Network Element receives hang up the associated packets forwarding control protocol PFCP session of the extension EPS carrying first and leads to Know message, the first system includes second generation 2G system, third generation 3G system or the first EPS；

The user plane gateway network element is according to first notification message, by the associated PFCP session of the extension EPS carrying It hangs up.

28. according to the method for claim 27, which is characterized in that the method also includes:

The user plane gateway network element receives the second notice of the associated PFCP session of the extension EPS carrying deleted and hung up Message；

The user plane gateway network element is deleted associated by the extension EPS carrying of hang-up according to the second notification message PFCP session.

29. the method according to claim 27 or 28, which is characterized in that the method also includes:

The user plane gateway network element receives PFCP session modification request, and the PFCP session modification request carries the extension The information of EPS carrying；

The user plane gateway network element restores the extension EPS hung up carrying and is closed according to the information of the extension EPS carrying The PFCP session of connection.

30. a kind of terminal, the terminal has activated state extension evolved packet system EPS carrying, which is characterized in that the terminal packet It includes: AM access module and processing module；

The AM access module, for accessing the first system, the first system include second generation 2G system, third generation 3G system or First EPS；

The processing module, for determining that the first system does not support the extension EPS to carry；

The processing module is also used to carry the extension EPS and hang up.

31. terminal according to claim 30, which is characterized in that

The processing module is also used to be carried on when the first preset duration reaches in the extension EPS of hang-up still in hang-up In the case where state, the extension EPS carrying of hang-up is deleted.

32. the terminal according to claim 30 or 31, which is characterized in that the terminal further includes transceiver module；

The AM access module is also used to access the 2nd EPS；

The transceiver module is also used to the third mobile management net element into the 2nd EPS and sends tracking area update TAU request Message, the TAU request message carry the identification information of the terminal；

The transceiver module, is also used to receive the TAU received message from the third mobile management net element, and the TAU receives Message carries the instruction information that the extension EPS is carried as activated state；

The processing module is also used to be carried as the instruction information of activated state according to the extension EPS, restores the expansion hung up Open up EPS carrying.

33. according to the described in any item terminals of claim 30-32, which is characterized in that described in the processing module is used to determine The first system does not support the extension EPS to carry, comprising: for receiving the management net of the first movement in the first system The location updating received message of member；Determine that not carrying the first system in the location updating received message supports the extension The ability information of EPS carrying.

34. a kind of second mobile management net element, second mobile management net element has the activated state extension evolution grouping system of terminal The EPS that unites is carried, which is characterized in that second mobile management net element includes: processing module and transceiver module；

The processing module, for determining that the first system does not support institute in the case where the terminal accesses the first system Extension EPS carrying is stated, the first system includes second generation 2G system, third generation 3G system or the first EPS；

The processing module is also used to carry the extension EPS and hang up；

The transceiver module, it is described for sending the first notification message to the second Gateway Network Element of the extension EPS bearing association First notification message is for notifying second Gateway Network Element carries the extension EPS to hang up.

35. the second mobile management net element according to claim 34, which is characterized in that

The processing module is also used to be carried on when the first preset duration reaches in the extension EPS of hang-up still in hang-up In the case where state, the extension EPS carrying of hang-up is deleted；

The transceiver module is also used to send second notification message to second Gateway Network Element, and the second notification message is used It is carried in the extension EPS for notifying second Gateway Network Element to delete hang-up.

36. second mobile management net element according to claim 34 or 35, which is characterized in that

The processing module is also used to determine the 2nd EPS access where the terminal from second mobile management net element；

The processing module is also used to restore the extension EPS hung up carrying for the terminal.

37. the second mobile management net element according to claim 36, which is characterized in that

The processing module, be also used to determine in the 2nd EPS be the terminal service third Gateway Network Element；

The processing module is also used in the case where the third Gateway Network Element is second Gateway Network Element, described in notice Third Gateway Network Element restores the extension EPS hung up carrying；Alternatively,

The processing module is also used in the case where the third Gateway Network Element is not second Gateway Network Element, requests institute It states third Gateway Network Element and establishes the extension EPS carrying.

38. second mobile management net element according to claim 36 or 37, which is characterized in that

The transceiver module is also used to send TAU received message to the terminal, and the TAU received message carries the extension EPS is carried as the instruction information of activated state.

39. according to described in any item second mobile management net elements of claim 34-38, which is characterized in that described second is mobile Managed network element further includes memory module；

The memory module, the relevant terminal contexts of the extension EPS carrying for storing to hanging up, above and below the terminal The identification information and the first preset duration of identification information, second Gateway Network Element in text including the terminal, it is described First preset duration is the time span that the extension EPS carrying is hung up.

40. according to described in any item second mobile management net elements of claim 34-39, which is characterized in that the processing module For determining that the first system does not support the extension EPS to carry, comprising: for receiving the in the first system The context request message of one mobile management net element；Second mobile management net element determines in the context request message not Carry the ability information that the first system supports the extension EPS to carry；Or；

The processing module is for determining that the first system does not support the extension EPS to carry, comprising: connects for receiving to come from Enter the switching request of network element, the switching request carries the identification information of the first movement managed network element in the first system； Second mobile management net element determines that the first system is not supported according to the identification information of the first movement managed network element The extension EPS carrying.

41. a kind of second Gateway Network Element, second Gateway Network Element has the activated state extension evolved packet system EPS of terminal to hold It carries, which is characterized in that second Gateway Network Element includes: transceiver module and processing module；

The transceiver module is hung up for receiving to carry the extension EPS in the case where the terminal accesses the first system The first notification message, the first system includes second generation 2G system, third generation 3G system or the first EPS；

The processing module, for the extension EPS being carried and is hung up according to first notification message.

42. the second Gateway Network Element according to claim 41, which is characterized in that

The transceiver module is also used to receive the second notification message for deleting the extension EPS carrying hung up；

The processing module is also used to delete the extension EPS carrying of hang-up according to the second notification message.

43. second Gateway Network Element according to claim 41 or 42, which is characterized in that

The transceiver module is also used in second Gateway Network Element and the first system be the first of the terminal service In the different situation of Gateway Network Element, the deletion session from the second mobile management net element for having the extension EPS carrying is received Message；

The processing module is also used to be deleted in the context of the terminal according to the deletion conversation message except the extension The context and the extension EPS of EPS carrying carry the terminal contexts except relevant terminal contexts.

44. according to described in any item second Gateway Network Element of claim 41-43, which is characterized in that

The transceiver module is also used to receive the instruction information for the extension EPS carrying for restoring to hang up；

The processing module is also used to restore according to the instruction information extension EPS hung up carrying.

45. a kind of user plane gateway network element, the user plane gateway network element has the activated state extension evolved packet system EPS of terminal Carrying, which is characterized in that the user plane gateway network element includes: transceiver module and processing module；

The transceiver module, for receiving and being closed extension EPS carrying in the case where the terminal accesses the first system The first notification message that the packets forwarding control protocol PFCP session of connection is hung up, the first system include second generation 2G system, Third generation 3G system or the first EPS；

The processing module, for according to first notification message, the associated PFCP session of the extension EPS carrying to be hung It rises.

46. user plane gateway network element according to claim 45, which is characterized in that

The transceiver module, be also used to receive the associated PFCP session of the extension EPS carrying deleted and hung up second are logical Know message；

The processing module is also used to be deleted according to the second notification message associated by the extension EPS carrying of hang-up PFCP session.

47. the user plane gateway network element according to claim 45 or 46, which is characterized in that

The transceiver module, is also used to receive PFCP session modification request, and the PFCP session modification request carries the extension The information of EPS carrying；

The processing module is also used to the information according to the extension EPS carrying, restores the extension EPS hung up carrying institute Associated PFCP session.

48. a kind of carrying processing system, which is characterized in that the carrying processing system includes such as any one of claim 34-40 Second mobile management net element and such as described in any item second Gateway Network Element of claim 41-44.

49. a kind of carrying processing system, which is characterized in that the carrying processing system includes the activated state extension evolution of terminal Second mobile management net element of grouping system EPS carrying, the extension control plane Gateway Network Element of EPS bearing association and described Extend the user plane gateway network element of EPS bearing association；

Second mobile management net element, for determining the first system in the case where the terminal accesses the first system After not supporting the extension EPS to carry, the extension EPS is carried and is hung up, and to control plane Gateway Network Element transmission the One notification message, first notification message is for notifying the control plane Gateway Network Element carries the extension EPS to hang up；Its In, the first system includes second generation 2G system, third generation 3G system or the first EPS；

The control plane Gateway Network Element will be described for receiving first notification message, and according to first notification message After extending EPS carrying hang-up, Xiang Suoshu user plane gateway network element sends second notification message, and the second notification message is used for The user plane gateway network element is notified to hang up the associated packets forwarding control protocol PFCP session of the extension EPS carrying；

The user plane gateway network element will be described for receiving the second notification message, and according to the second notification message The associated PFCP session of EPS carrying is extended to hang up.