CN109429213A

CN109429213A - A kind of information processing method, device, equipment and computer readable storage medium

Info

Publication number: CN109429213A
Application number: CN201710486223.7A
Authority: CN
Inventors: 王胡成
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2017-06-23
Filing date: 2017-06-23
Publication date: 2019-03-05
Anticipated expiration: 2037-06-23
Also published as: CN109429213B

Abstract

The present invention provides a kind of information processing method, device, equipment and computer readable storage medium, is related to field of communication technology, to saving signaling resource.Information processing method of the invention includes: during UE initiates tracing area TAU update, to receive the context request of MME when Idle state user equipment (UE) is from 5G Network Mobility to long term evolution LTE network；Based on context it requests, the corresponding relationship of the conversation management functional entity of the PDU session of UE and data network name DNN is saved in the subscription data of UE；Or queued session management function entity carries out EPS QoS mapping according to the context of PDU session, and returns to the EPS qos parameter that EPS QoS mapping generates；The context of UE is sent to MME.Energy saving signaling resource of the present invention.

Description

A kind of information processing method, device, equipment and computer readable storage medium

Technical field

The present invention relates to field of communication technology more particularly to a kind of information processing method, device, equipment and computer-readable Storage medium.

Background technique

With the development of communication technology, 5G network needs support and LTE (Long Term Evolution, long term evolution) The interoperability of network.Current Idle state UE (User Equipment, user equipment) carries out the mobile interoperator of cross-system It in case, requires first when UE establishes PDU (Protocol Data Unit, protocol Data Unit) session, network completes PDU meeting QoS (Quality of Service, the service quality) flow (stream) of words and EPS (Evolved Packet System, evolution Grouping system) carrying QoS mapping, then by normal register update or TAU (Tracking Area Update, Tracking area update) it moves between process completion system.However, if UE does not move or deletes foundation between generating system PDU session (PDU session) or QoS flow therein, then the QoS flow carried out in advance and the QoS of EPS carrying map It will be wasted, to cause the waste of signal resource.

Summary of the invention

In view of this, the present invention provides a kind of information processing method, device, equipment and computer readable storage medium, with Saving signaling resource.

In order to solve the above technical problems, the present invention provides a kind of information processing method, it is applied to AMF (Access and Mobility Management Function, access and mobile management function to ps domain), which comprises

When Idle state user equipment (UE) is from 5G Network Mobility to long term evolution LTE network, tracing area TAU is initiated in UE During update, the context request of MME (Mobility Management Entity, mobility management entity) is received；

According to the context request, by the conversation management functional entity and data network name of the PDU session of the UE The corresponding relationship of DNN is saved in the subscription data of the UE；Or the request conversation management functional entity is according to the PDU The context of session carries out EPS QoS mapping, and returns to the EPS qos parameter that EPS QoS mapping generates；

The context of the UE is sent to the MME；

Wherein, after the context request for receiving mobility management entity MME, the method also includes:

Determine the conversation management functional entity of the PDU session of the UE and the corresponding relationship of DNN.

Wherein, the corresponding of the conversation management functional entity and data network name DNN of the PDU session by the UE is closed After system is saved in the subscription data of the UE, the method also includes:

It sends a notification message to the conversation management functional entity for serving the UE, so that the meeting for serving the UE Management function entity is talked about according to the notification message, by the correspondence of the conversation management functional entity of the PDU session of the UE and DNN Relationship is saved in uniform data management entity；Or

The corresponding relationship of the conversation management functional entity of the PDU session of the UE and DNN is directly saved in uniform data In management entity；Or

The corresponding relationship of the conversation management functional entity of the PDU session of the UE and DNN is saved in the UE context In signing information in.

Wherein, the method also includes:

The EPS qos parameter is sent to the MME, wherein the EPS qos parameter includes the ginseng for being allocated to the UE Number information.

Wherein, the auxiliary information includes: the mobility context of the UE；Or

The auxiliary information includes: that the conversation management functional of the PDU session of the mobility context of the UE, the UE is real The corresponding relationship of body and DNN；Or

The auxiliary information includes: that the mobility context of the UE and conversation management functional entity mapping generate EPS bearer context.

Second aspect, the embodiment of the present invention provide a kind of information processing method, are applied to MME, which comprises

When Idle state UE is from 5G Network Mobility to long term evolution LTE network, the TAU request of the UE is received；

The context that the UE is requested to AMF is requested according to the TAU；

The context for the UE that the AMF is sent is received, includes the PDU meeting according to the UE in the context of the UE Talk about the EPS bearer context that context mapping generates；

The PDN connection of the UE is established in the core-network side of LTE network according to the EPS bearer context of the UE；

TAU received message is sent to the UE, instruction information, the instruction information are carried in the TAU received message It is used to indicate the UE reconstruction PDN connection corresponding with the PDU session or the instruction information is used to indicate the UE and works as The information for the PDN connection that preceding network side has built up.

Wherein, the information of any EPS carrying is not carried in the TAU request of the UE.

Wherein, when the instruction information, which is used to indicate the UE, rebuilds PDN connection corresponding with the PDU session, institute It states in instruction information and includes:

The asynchronous instruction of EPS bearer context.

Wherein, when the instruction information is used to indicate the information for the PDN connection that UE current network side has built up, Include: in the instruction information

The APN information for the PDN connection having built up.

The third aspect, the embodiment of the present invention provide a kind of information processing unit, comprising:

First receiving module is used for when Idle state user equipment (UE) is from 5G Network Mobility to long term evolution LTE network, During UE initiates tracing area TAU update, the context request of mobility management entity MME is received；

Processing module, for according to the context request, by the conversation management functional entity of the PDU session of the UE and The corresponding relationship of data network title DNN is saved in the subscription data of the UE；Or the request conversation management functional is real Body carries out EPS QoS mapping according to the context of the PDU session, and returns to the EPS qos parameter that EPS QoS mapping generates；

First sending module, for sending the context of the UE to the MME；

It wherein, include the auxiliary information connected for establishing packet data network PDN in the context, so that described MME is that the UE establishes PDN connection according to the auxiliary information.

Wherein, described device further include:

Determining module, for determining the conversation management functional entity of the PDU session of the UE and the corresponding relationship of DNN.

Wherein, described device further include:

Second sending module, for sending a notification message to the conversation management functional entity for serving the UE, so that institute The conversation management functional entity for serving the UE is stated according to the notification message, by the session management of the PDU session of the UE The corresponding relationship of functional entity and DNN are saved in uniform data management entity；Or

First memory module, for directly closing the conversation management functional entity of the PDU session of the UE and the corresponding of DNN System is saved in uniform data management entity；Or

Second memory module, for protecting the corresponding relationship of the conversation management functional entity of the PDU session of the UE and DNN It is stored in the signing information in the UE context.

Wherein, described device further include:

Third sending module, for sending the EPS qos parameter to the MME, wherein the EPS qos parameter includes It is allocated to the parameter information of the UE.

Fourth aspect, the embodiment of the present invention provide a kind of information processing unit, comprising:

First receiving module, for receiving the UE when Idle state UE is from 5G Network Mobility to long term evolution LTE network TAU request；

Request module, for requesting the context for requesting the UE to AMF according to the TAU；

Second receiving module includes in the context of the UE for receiving the context for the UE that the AMF is sent The EPS bearer context generated according to the mapping of the PDU session context of the UE；

Processing module, for establishing the UE's in the core-network side of LTE network according to the EPS bearer context of the UE PDN connection；

Sending module carries instruction information for sending TAU received message to the UE in the TAU received message, The instruction information is used to indicate the UE reconstruction PDN connection corresponding with the PDU session or the instruction information is used for Indicate the information for the PDN connection that UE current network side has built up.

The asynchronous instruction of EPS bearer context.

The APN information for the PDN connection having built up.

5th aspect, the embodiment of the present invention provide a kind of electronic equipment, including memory, processor, transceiver and storage On the memory and the computer program that can run on the processor；The processor is realized when executing described program Following steps:

When Idle state user equipment (UE) is from 5G Network Mobility to long term evolution LTE network, tracing area TAU is initiated in UE During update, pass through the context request of transceiver mobility management entity MME；

The context of the UE is sent to the MME by transceiver；

6th aspect, the embodiment of the present invention provides a kind of computer readable storage medium, for storing computer program, institute It states computer program and can be executed by processor and perform the steps of

When Idle state user equipment (UE) is from 5G Network Mobility to long term evolution LTE network, tracing area TAU is initiated in UE During update, the context request of mobility management entity MME is received；

The context of the UE is sent to the MME；

7th aspect, the embodiment of the present invention provide a kind of electronic equipment, including memory, processor, transceiver and storage On the memory and the computer program that can run on the processor；The processor is realized when executing described program Following steps:

When Idle state UE is from 5G Network Mobility to long term evolution LTE network, asked by the TAU of UE described in transceiver It asks；

The context that the UE is requested to AMF is requested according to the TAU by transceiver；

It include according to institute in the context of the UE by the context of the UE sent of AMF described in transceiver State the EPS bearer context that the PDU session context mapping of UE generates；

TAU received message is sent to the UE by transceiver, instruction information, institute are carried in the TAU received message It states instruction information and is used to indicate the UE reconstruction PDN connection corresponding with the PDU session or the instruction information for referring to Show the information for the PDN connection that UE current network side has built up.

Eighth aspect, the embodiment of the present invention provide a kind of computer readable storage medium, for storing computer program, institute It states computer program and can be executed by processor and perform the steps of

The advantageous effects of the above technical solutions of the present invention are as follows:

In embodiments of the present invention, when Idle state user equipment (UE) is from 5G Network Mobility to long term evolution LTE network, During UE initiates tracing area TAU update, by AMF according to the context request, by the session of the PDU session of the UE The corresponding relationship of management function entity and data network name DNN are saved in the subscription data of the UE；Or described in request Conversation management functional entity carries out EPS QoS mapping according to the context of the PDU session, and returns to EPS QoS mapping and generate EPS qos parameter, and send to MME the context of the UE, and include for establishing packet count in the context request According to the auxiliary information that network PDN connects, so that the MME is that the UE establishes PDN connection according to the auxiliary information.Thus, benefit It is avoided with the scheme of the embodiment of the present invention and carries out unnecessary QoS mapping process in 5G network, to save signaling money Source.

Detailed description of the invention

Fig. 1 is the flow chart of the information processing method of the embodiment of the present invention；

Fig. 2 is the flow chart of the information processing method of the embodiment of the present invention；

Fig. 3 is the flow chart of the information processing method of the embodiment of the present invention；

Fig. 4 is the flow chart of the information processing method of the embodiment of the present invention；

Fig. 5 is the flow chart of the information processing method of the embodiment of the present invention；

Fig. 6 is the flow chart of the information processing method of the embodiment of the present invention；

Fig. 7 is the schematic diagram of the information processing unit of the embodiment of the present invention；

Fig. 8 is the schematic diagram of the information processing unit of the embodiment of the present invention；

Fig. 9 is the schematic diagram of the information processing unit of the embodiment of the present invention；

Figure 10 is the schematic diagram of the information processing unit of the embodiment of the present invention；

Figure 11 is the schematic diagram of the information processing unit of the embodiment of the present invention；

Figure 12 is the schematic diagram of the information processing unit of the embodiment of the present invention；

Figure 13 is the schematic diagram of the information processing unit of the embodiment of the present invention；

Figure 14 is the schematic diagram of the electronic equipment of the embodiment of the present invention；

Figure 15 is the schematic diagram of the electronic equipment of the embodiment of the present invention.

Specific embodiment

Below in conjunction with drawings and examples, specific embodiments of the present invention will be described in further detail.Following reality Example is applied for illustrating the present invention, but is not intended to limit the scope of the invention.

As shown in Figure 1, the information processing method of the embodiment of the present invention, is applied to AMF, which comprises

Step 101, when Idle state UE is from 5G Network Mobility to LTE network, UE initiate TAU update during, connect Receive the context request of MME.

Wherein, the context request of the MME is MME in TAU (Tracking Area Update, the tracking for receiving UE Area update) request when send, do not carried in TAU request message wherein EPS carrying information.

It may include mapped (mapping) GUTI (the Globally Unique of UE in the context request Temporary UE Identity, the unique interim UE mark in the whole world).

Step 102, according to the context request, by the conversation management functional entity and data of the PDU session of the UE The corresponding relationship of network name DNN is saved in the subscription data of the UE；Or the request conversation management functional entity root EPS QoS mapping is carried out according to the context of the PDU session, and returns to the EPS qos parameter that EPS QoS mapping generates.

Step 103, Xiang Suoshu MME send the context of the UE.

In this step, AMF can obtain corresponding context according to the temporary identifier of UE.Wherein, in the context In include for establish packet data network PDN connection auxiliary information so that the MME according to the auxiliary information be the UE Establish PDN connection.

In embodiments of the present invention, the auxiliary information includes: the mobility context of the UE；Or the auxiliary letter Breath includes: the conversation management functional entity of the PDU session of the mobility context of the UE, the UE and the corresponding relationship of DNN； Or the auxiliary information includes: the mobility context of the UE and the EPS that conversation management functional entity mapping generates Bearer context.

On the basis of embodiment shown in Fig. 1, the method may also include that

AMF determines SMF corresponding to the PDU session of the UE (Session Management Function, session pipe Manage function) identification information and DNN (Data Network Name, data network title) corresponding relationship.

On the basis of embodiment shown in Fig. 1, the method may also include that

The corresponding relationship of PDU session and conversation management functional entity that AMF can be saved in the context according to the UE, to The conversation management functional entity for serving the UE sends a notification message, so that the conversation management functional for serving the UE Entity protects the corresponding relationship of the conversation management functional entity of the PDU session of the UE and DNN according to the notification message It is stored in uniform data management entity (Unified Data Management, UDM)；Or AMF can also directly will be described The conversation management functional entity of the PDU session of UE and the corresponding relationship of DNN are saved in uniform data management entity；Or AMF The corresponding relationship of the conversation management functional entity of the PDU session of the UE and DNN can be also saved in the UE context In signing information.

AMF or PGW-C+SMF determining the identification information of conversation management functional entity corresponding to PDU session and The corresponding relationship of DNN is saved in front of uniform data management entity, it is also possible to further determine that the PDU Dialog request business continuity Property, such as require IP address reservation or constant.

On the basis of embodiment shown in Fig. 1, the method may also include that

AMF sends the EPS qos parameter of the UE to the MME, wherein the EPS qos parameter is described including being allocated to The parameter information of UE.

As shown in Fig. 2, the information processing method of the embodiment of the present invention, is applied to MME, which comprises

Step 201, when Idle state UE is from 5G Network Mobility to long term evolution LTE network, the TAU for receiving the UE is asked It asks.

Step 202 requests the context that the UE is requested to AMF according to the TAU.

Step 203, the context for receiving the UE that the AMF is sent include according in the context of the UE The EPS bearer context that the PDU session context mapping of UE generates.

Step 204 connects according to the EPS bearer context of the UE in the PDN that the core-network side of LTE network establishes the UE It connects.

Step 205, Xiang Suoshu UE send TAU received message, and instruction information is carried in the TAU received message, described Instruction information is used to indicate the UE reconstruction PDN connection corresponding with the PDU session or the instruction information is used to indicate The information for the PDN connection that UE current network side has built up.

Wherein, when the instruction information, which is used to indicate the UE, rebuilds PDN connection corresponding with the PDU session, institute Stating in instruction information includes: the asynchronous instruction of EPS bearer context.When the instruction information is used to indicate the UE current network It include: the APN information for the PDN connection having built up when the information for the PDN connection that side has built up, in the instruction information.

As shown in figure 3, the information processing method of the embodiment of the present invention, comprising:

Step 301, Idle state UE from 5G Network Mobility to LTE network, initiate TAU (Tracking Area Update, with Track area update) process.TAU Request (TAU request) message is sent to MME, carries mapped (mapping within the message ) GUTI (Globally Unique Temporary UE Identity, the unique interim UE mark in the whole world) (reflects from 5G GUTI Penetrate), without the information of any EPS (Evolved Packet System, the grouping system of evolution) carrying, such as EPS Bearer status (EPS loaded state).

In embodiments of the present invention, special instruction can also be carried in TAU Request message, to facilitate MME to distinguish Handle the request (MME can also determine that the message is special TAU Request according to mapped GUTI).

After step 302, MME receive TAU Request request, AMF is found according to mapped GUTI, is then sent Context Request (context request) arrives AMF.

After step 303, AMF receive Context Request, the Context of UE is determined according to the temporary identifier of UE, then According to the Context of UE, DNN (digital data network, Digital Data Net) and the information preservation of PGW-C+SMF are arrived HSS (Home Subscriber Server, home signature user server)+UDM (Unified Data Management, system One data management).

Here, AMF can be closed according to the PDU session (PDU session) saved in UE Context is corresponding with SMF ID System, to PGW-C (control plane PDN Gateway)+SMF (Session Management Function, session pipe of all service UE Manage function) message (request of N11notify request, N11 notice) that sends N11 interface, from service the PGW-C+SMF of UE to HSS+UDM sends Notify request (notice request), and notice PGW-C+SMF is by the PGW-C+SMF of each PDU session The corresponding relationship of location and DNN are saved in HSS+UDM.Or AMF can also directly by the PGW-C+SMF of each PDU session The corresponding relationship of location and DNN are saved in HSS+UDM.Wherein, the continuity mode of PDU session is 1.Implement in the present invention In example, Fig. 3 shows AMF and is saved in the address PGW-C+SMF of each PDU session and corresponding DNN by PGW-C+SMF Process in HSS+UDM.

Its address and corresponding DNN are saved in HSS+UDM by step 304, PGW-C+SMF.

Step 305, AMF send context response information (Context response) to MME, return to the Context of UE, It only include MM Context, the Context not comprising PDN session in Context.

After step 306, MME receive Context, context confirmation (Context ACK) is sent to AMF.

Step 307, MME send Update location request (more new position request) message to HSS+UDM, ask Seek more new location information.

Step 308- step 309, HSS+UDM send cancel location request (delete position) to AMF and disappear Breath, request AMF delete the relevant information of UE.AMF returns to cancel after the relevant information for deleting UE, to HSS+UDM Location ACK (delete position confirmation) message.

Step 310, HSS+UDM are returned to MME updates location confirmation (Update location ACK) message, in message The signing information for carrying UE, including APN (Access Point Name, access node title) (DNN) and PGW-C+SMF The corresponding relationship of address.

Step 311, MME return to TAU Accept (TAU receiving) message to UE.

When step 312, subsequent UE wish initiation business, PDN connectivity Request (PDN connectivity is first sent Request) message arrives MME, Handover flag (switching identifies) and APN is carried in message.

After step 313, MME receive handover flag, from acquisition APN in subscription data (subscription data) Then PDN connection (PDN (Packet Data Network, grouping are established according to the prior art in the corresponding address PGW Data network) connection).

Step 314, UE establish other PDN connections corresponding with 5G system PDU session.

As shown in figure 4, the information processing method of the embodiment of the present invention, comprising:

Step 401, Idle state UE initiate TAU process, (TAU is asked TAU Request from 5G Network Mobility to LTE network Ask) mapped GUTI (mapping from 5G GUTI) is carried in message, without the information that any EPS is carried, such as EPS bearer status。

After step 402, MME receive TAU Request request, AMF is found according to mapped GUTI, is then sent Context Request (context request) arrives AMF.

After step 403, AMF receive Context Request request, according to the PDU saved in UE Context The corresponding relationship of session and SMF ID determine DNN and PGW-C+SMF that every PDU session is used, then pass through The corresponding relationship of DNN and PGW-C+SMF is returned to MME by Context Response (context response) message, and by UE's MM Context is sent to MME.

After step 404, MME receive the Context of UE, context confirmation (Context ACK) is sent to AMF.

Step 405, MME save the corresponding relationship of the DNN (APN) and PGW-C+SMF that receive to the PDN of UE In connection Context, and special marking is done, such as is denoted as interim Context；Or by DNN (APN) and PGW-C+ The corresponding relationship of SMF is stored in subscription data, such as interim signing.

Step 406, MME return to TAU Accept (TAU receiving) message to UE.

When step 407, subsequent UE wish initiation business, PDN connectivity Request (PDN connectivity is first sent Request) message to MME, carries APN in message, can also carry handover flag.

Step 408 saves APN and PGW information in the PDN connection Context of UE due to MME, according to The prior art, MME need to select identical PGW to establish PDN connection for the UE；Or if MME by DNN and corresponding PGW-C+SMF is stored in subscription data, then according to handover flag, is built using the PGW-C+SMF saved in subscription data Vertical PDN connection.

Step 409, UE establish other PDN connections corresponding with 5G system PDU session.

As shown in figure 5, the information processing method of the embodiment of the present invention, comprising:

Step 501, Idle state UE initiate TAU process, (TAU is asked TAU Request from 5G Network Mobility to LTE network Ask) mapped GUTI (mapping from 5G GUTI) is carried in message, without the information that any EPS is carried, such as EPS bearer status。

After step 502, MME receive TAU Request request, AMF is found according to mapped GUTI, is then sent Context Request to AMF.

After step 503, AMF receive Context Request (context request) request, saved according in UE Context PDU session and SMF ID corresponding relationship, to it is all service UE PGW-C+SMF send N11 interfaces SM Context Request (session management context request) message asks PGW-C+SMF to carry out EPS QoS mapping.Correspondingly, PGW-C+SMF carries out EPS QoS mapping.

Step 504, PGW-C+SMF send SM Context Response (session management context response) to AMF and disappear The EPS bearer Context (EPS bearer context) that mapping generates is returned to AMF by breath, and furthermore PGW-C+SMF will also give birth to At mapped EPS (EPS of the mapping) information for being sent to UE be sent to AMF.

Step 505, AMF generate the PDN connection of UE according to the EPS bearer Context received from each SMF Context (PDN connection context), and it is sent to MME.

Meanwhile AMF also receives the EPS qos parameter from each SMF UE sent, and the EPS QoS of the UE is joined Number is sent to MME.Specifically, AMF, according to the mapped EPS information for being sent to UE received from each SMF, generation is allocated to UE Mapped EPS Context (the EPS context of mapping) information, and the configuration information is encapsulated in container (container) In.Meanwhile it being sent in the upper Context of UE only comprising MM Context.

After step 506, MME receive the Context of UE, context confirmation (Context ACK) is sent to AMF.

Step 507, MME are according to the PDN connection Context in the UE Context received, according to existing skill Art establishes each PDN connection in core net.

Step 508, MME pass through TAU Accept (TAU receiving) message for the mapped for being allocated to UE in container EPS Context information is sent to UE, and the EPS bearer status (EPS loaded state) of update is carried in message.

UE is received be allocated to the mapped EPS Context information of UE after, carry out Context update, and carry out EPS The synchronization of bearer status (EPS loaded state).

As shown in fig. 6, the information processing method of the embodiment of the present invention, comprising:

Step 601, Idle state UE initiate TAU process, (TAU is asked TAU Request from 5G Network Mobility to LTE network Ask) mapped GUTI (mapping from 5G GUTI) is carried in message, without the information that any EPS is carried, such as EPS bearer status.MME determine the TAU process be moved between cross-system due to having occurred, such as according to mapped GUTI come Determine that the message is special TAU process.

After step 602, MME receive request, AMF is found according to mapped GUTI, then sends Context Request (context request) arrives AMF.

It is corresponding with SMF ID according to the PDU session saved in UE Context after step 603, AMF receive request Relationship, the SM Context Request (SM context request) for sending N11 interface to the PGW-C+SMF of all service UE disappear Breath asks PGW-C+SMF to carry out EPS QOS mapping, and passes through SM context response (SM Context Response) return mapping The EPS bearer Context (EPS bearer context) of generation.

Step 604, AMF return to the Context of UE by Context Response (context response) to MME, The EPS bearer Context (Context ACK) that containment mapping generates in Context.

After step 605, MME receive Context, context confirmation is sent to AMF.

Step 606-609.MME is built according to the EPS bearer Context received, according to the prior art in core-network side Vertical PDN connection.

Step 610, MME return to TAU Accept (TAU receiving) message to UE, and instruction information is carried in message.The finger Show that information is used to indicate the UE and rebuilds PDN connection corresponding with the PDU session；Alternatively, the instruction information is used to indicate institute State the information for the PDN connection that UE current network side has built up.

If the instruction information is used to indicate the UE and rebuilds PDN connection corresponding with the PDU session, the instruction It include: the asynchronous instruction of EPS bearer context in information.If the instruction information has been used to indicate UE current network side It include: the APN information for the PDN connection having built up when the information for the PDN connection being set up, in the instruction information.

Step 611, UE send PDN connectivity Request (request of PDN connectivity) message to MME, and request is built Vertical PDN connection.

The Context that step 612, MME are connected according to the APN carried in message with the PDN of UE, judge in core net whether The PDN connection of the APN is had been set up, if it is, reusing the context of existing PDN connection to complete PDN connection It establishes, otherwise establishes PDN connection according to existing procedure.

Step 613, UE establish other PDNs corresponding with 5G system PDU session (session) by identical step connection。

As shown in fig. 7, the information processing unit of the embodiment of the present invention, comprising:

First receiving module 701, for when Idle state user equipment (UE) is from 5G Network Mobility to long term evolution LTE network When, during UE initiates tracing area TAU update, receive the context request of mobility management entity MME；Processing module 702, it is used for according to the context request, by the conversation management functional entity and data network name of the PDU session of the UE The corresponding relationship of DNN is saved in the subscription data of the UE；Or the request conversation management functional entity is according to the PDU The context of session carries out EPS QoS mapping, and returns to the EPS qos parameter that EPS QoS mapping generates；First sending module 703, for sending the context of the UE to the MME；It wherein, include for establishing Packet Data Network in the context The auxiliary information of PDN connection, so that the MME is that the UE establishes PDN connection according to the auxiliary information.

As shown in figure 8, in one embodiment of the invention, described device further include:

Determining module 704, for determining the conversation management functional entity of the PDU session of the UE and the corresponding relationship of DNN.

As shown in figure 9, in one embodiment of the invention, described device further include: the second sending module 705 is used for It sends a notification message to the conversation management functional entity for serving the UE, so that the session management function for serving the UE Energy entity saves the corresponding relationship of the conversation management functional entity of the PDU session of the UE and DNN according to the notification message Into uniform data management entity；Or as shown in Figure 10, in one embodiment of the invention, described device further include: the One memory module 706, for directly saving the corresponding relationship of the conversation management functional entity of the PDU session of the UE and DNN Into uniform data management entity；Or as shown in figure 11, in one embodiment of the invention, described device further include: the Two memory modules 707, for the corresponding relationship of the conversation management functional entity of the PDU session of the UE and DNN to be saved in institute It states in the signing information in UE context.

As shown in figure 12, in one embodiment of the invention, described device further include:

Third sending module 708, for sending the EPS qos parameter of the UE to the MME, wherein the EPS QoS Parameter includes the parameter information for being allocated to the UE.

The working principle of device of the present invention can refer to the description of preceding method embodiment.

As shown in figure 13, the information processing unit of the embodiment of the present invention includes:

First receiving module 801, for receiving institute when Idle state UE is from 5G Network Mobility to long term evolution LTE network State the TAU request of UE；Request module 802, for requesting the context for requesting the UE to AMF according to the TAU；Second receives Module 803 includes according to the UE in the context of the UE for receiving the context for the UE that the AMF is sent The EPS bearer context that the mapping of PDU session context generates；Processing module 804, for being carried up and down according to the EPS of the UE Text establishes the PDN connection of the UE in the core-network side of LTE network；Sending module 805 receives for sending TAU to the UE Message, carries instruction information in the TAU received message, and the instruction information is used to indicate the UE and rebuilds and the PDU The corresponding PDN connection of session or the instruction information are used to indicate the PDN connection that UE current network side has built up Information.

Wherein, when the instruction information, which is used to indicate the UE, rebuilds PDN connection corresponding with the PDU session, institute Stating in instruction information includes: the asynchronous instruction of EPS bearer context.

Wherein, when the instruction information is used to indicate the information for the PDN connection that UE current network side has built up, It include: the APN information for the PDN connection having built up in the instruction information.

As shown in figure 14, the electronic equipment of the embodiment of the present invention, comprising: processor 1100, for reading memory 1120 In program, execute following process:

When Idle state user equipment (UE) is from 5G Network Mobility to long term evolution LTE network, tracing area TAU is initiated in UE During update, the context request of mobility management entity MME is received by transceiver 1111；It is asked according to the context It asks, the corresponding relationship of the conversation management functional entity of the PDU session of the UE and data network name DNN is saved in the UE Subscription data in；Or the request conversation management functional entity carries out EPS QoS according to the context of the PDU session and reflects It penetrates, and returns to the EPS qos parameter that EPS QoS mapping generates；The upper and lower of the UE is sent to the MME by transceiver 1111 Text；Wherein, include in the context for establish packet data network PDN connection auxiliary information so that the MME according to The auxiliary information is that the UE establishes PDN connection.

Transceiver 1111, for sending and receiving data under the control of processor 1100.

Wherein, in Figure 14, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor The various circuits for the memory that 1100 one or more processors represented and memory 1120 represent link together.Total coil holder Structure can also link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, this It is all a bit it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 1111 can be multiple element, that is, include transmitter and transceiver, provide for logical with various other devices over a transmission medium The unit of letter.Processor 1100 is responsible for management bus architecture and common processing, memory 1120 can store processor 1100 The used data when executing operation.

Processor 1100, which is responsible for management bus architecture and common processing, memory 1120, can store processor 1100 and exists Execute used data when operation.

Processor 1100 is also used to, and determines that the conversation management functional entity of the PDU session of the UE and the corresponding of DNN close System.

Processor 1100 is also used to, and is sent a notification message to the conversation management functional entity for serving the UE, so that institute The conversation management functional entity for serving the UE is stated according to the notification message, by the session management of the PDU session of the UE The corresponding relationship of functional entity and DNN are saved in uniform data management entity；Or directly by the meeting of the PDU session of the UE The corresponding relationship of words management function entity and DNN are saved in uniform data management entity；Or by the PDU session of the UE The corresponding relationship of conversation management functional entity and DNN are saved in the signing information in the UE context.

Processor 1100 is also used to, and the EPS qos parameter is sent to the MME by transceiver 1111, wherein described EPS qos parameter includes the parameter information for being allocated to the UE.

Wherein, the auxiliary information includes: the mobility context of the UE；Or the auxiliary information includes: described The conversation management functional entity of the PDU session of the mobility context, the UE of UE and the corresponding relationship of DNN；Or it is described auxiliary Supplementary information includes: the mobility context of the UE and the EPS bearer context that conversation management functional entity mapping generates.

In addition, the computer readable storage medium of the embodiment of the present invention, for storing computer program, the computer journey Sequence can be executed by processor and perform the steps of

The context of the UE is sent to the MME；

Wherein, the method also includes:

As shown in figure 15, the electronic equipment of the embodiment of the present invention, comprising: processor 1300, for reading memory 1320 In program, execute following process:

When Idle state UE is from 5G Network Mobility to long term evolution LTE network, receive the UE's by transceiver 1311 TAU request；

The context that the UE is requested to AMF is requested according to the TAU by transceiver 1311；

The context for the UE that the AMF is sent is received by transceiver 1311, includes root in the context of the UE The EPS bearer context generated according to the PDU session context mapping of the UE；

TAU received message is sent to the UE by transceiver 1311, instruction letter is carried in the TAU received message Breath, the instruction information are used to indicate the UE and rebuild PDN connection corresponding with the PDU session or the instruction information It is used to indicate the information for the PDN connection that UE current network side has built up.

Transceiver 1311, for sending and receiving data under the control of processor 1300.

Wherein, in Figure 15, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor The various circuits for the memory that 1300 one or more processors represented and memory 1320 represent link together.Total coil holder Structure can also link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, this It is all a bit it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 1311 can be multiple element, that is, include transmitter and transceiver, provide for logical with various other devices over a transmission medium The unit of letter.Processor 1300 is responsible for management bus architecture and common processing, memory 1320 can store processor 1300 The used data when executing operation.

Processor 1300, which is responsible for management bus architecture and common processing, memory 1320, can store processor 1300 and exists Execute used data when operation.

The asynchronous instruction of EPS bearer context.

The APN information for the PDN connection having built up.

The asynchronous instruction of EPS bearer context.

The APN information for the PDN connection having built up.

In several embodiments provided herein, it should be understood that disclosed method and apparatus, it can be by other Mode realize.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only For a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine Or it is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed phase Coupling, direct-coupling or communication connection between mutually can be through some interfaces, the INDIRECT COUPLING or communication of device or unit Connection can be electrical property, mechanical or other forms.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that the independent physics of each unit includes, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.

The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer Equipment (can be personal computer, server or the network equipment etc.) executes receiving/transmission method described in each embodiment of the present invention Part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic or disk etc. are various can store The medium of program code.

The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims

1. a kind of information processing method, which is characterized in that be applied to access and mobile management function to ps domain AMF, which comprises

When Idle state user equipment (UE) is from 5G Network Mobility to long term evolution LTE network, tracing area TAU is initiated in UE and is updated During, receive the context request of mobility management entity MME；

According to the context request, by the conversation management functional entity of the PDU session of the UE and data network name DNN Corresponding relationship is saved in the subscription data of the UE；Or the request conversation management functional entity is according to the PDU session Context carry out EPS QoS mapping, and return EPS QoS mapping generate EPS qos parameter；

The context of the UE is sent to the MME；

It wherein, include the auxiliary information connected for establishing packet data network PDN in the context, so that the MME root It is that the UE establishes PDN connection according to the auxiliary information.

2. the method according to claim 1, wherein in the context for receiving mobility management entity MME After request, the method also includes:

3. the method according to claim 1, wherein the conversation management functional of the PDU session by the UE After the corresponding relationship of entity and data network name DNN are saved in the subscription data of the UE, the method also includes:

It sends a notification message to the conversation management functional entity for serving the UE, so that the session pipe for serving the UE Functional entity is managed according to the notification message, by the corresponding relationship of the conversation management functional entity of the PDU session of the UE and DNN It is saved in uniform data management entity；Or

The corresponding relationship of the conversation management functional entity of the PDU session of the UE and DNN is directly saved in uniform data management In entity；Or

The corresponding relationship of the conversation management functional entity of the PDU session of the UE and DNN is saved in the UE context In signing information.

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

The EPS qos parameter is sent to the MME, wherein the EPS qos parameter includes the parameter letter for being allocated to the UE Breath.

5. the method according to claim 1, wherein

The auxiliary information includes: the mobility context of the UE；Or

The auxiliary information include: the PDU session of the mobility context of the UE, the UE conversation management functional entity and The corresponding relationship of DNN；Or

The auxiliary information includes: the mobility context of the UE and the EPS that conversation management functional entity mapping generates Bearer context.

6. a kind of information processing method, which is characterized in that be applied to MME, which comprises

The context for the UE that the AMF is sent is received, includes in the PDU session according to the UE in the context of the UE Hereafter map the EPS bearer context of generation；

TAU received message is sent to the UE, instruction information is carried in the TAU received message, the instruction information is used for Indicate that the UE rebuilds PDN connection corresponding with the PDU session or the instruction information is used to indicate the current net of the UE The information for the PDN connection that network side has built up.

7. according to the method described in claim 6, it is characterized in that, any EPS carrying is not carried in the TAU request of the UE Information.

8. according to the method described in claim 6, it is characterized in that, when the instruction information is used to indicate the UE reconstruction and institute When stating the corresponding PDN connection of PDU session, include: in the instruction information

The asynchronous instruction of EPS bearer context.

9. according to the method described in claim 6, it is characterized in that, when the instruction information is used to indicate the UE current network When the information for the PDN connection that side has built up, include: in the instruction information

The APN information for the PDN connection having built up.

10. a kind of information processing unit characterized by comprising

First receiving module, for being sent out in UE when Idle state user equipment (UE) is from 5G Network Mobility to long term evolution LTE network During playing tracing area TAU update, the context request of mobility management entity MME is received；

Processing module is used for according to the context request, by the conversation management functional entity and data of the PDU session of the UE The corresponding relationship of network name DNN is saved in the subscription data of the UE；Or the request conversation management functional entity root EPS QoS mapping is carried out according to the context of the PDU session, and returns to the EPS qos parameter that EPS QoS mapping generates；

First sending module, for sending the context of the UE to the MME；

11. device according to claim 10, which is characterized in that described device further include:

12. device according to claim 10, which is characterized in that described device further include:

Second sending module, for sending a notification message to the conversation management functional entity for serving the UE, so that the clothes The conversation management functional entity being engaged in the UE is according to the notification message, by the conversation management functional of the PDU session of the UE The corresponding relationship of entity and DNN are saved in uniform data management entity；Or

First memory module, for directly protecting the corresponding relationship of the conversation management functional entity of the PDU session of the UE and DNN It is stored in uniform data management entity；Or

Second memory module, for the corresponding relationship of the conversation management functional entity of the PDU session of the UE and DNN to be saved in In signing information in the UE context.

13. device according to claim 10, which is characterized in that described device further include:

Third sending module, for sending the EPS qos parameter to the MME, wherein the EPS qos parameter includes configuration To the parameter information of the UE.

14. device according to claim 10, which is characterized in that

The auxiliary information includes: the mobility context of the UE；Or

15. a kind of information processing unit characterized by comprising

First receiving module, for receiving the UE's when Idle state UE is from 5G Network Mobility to long term evolution LTE network TAU request；

Second receiving module includes basis in the context of the UE for receiving the context for the UE that the AMF is sent The EPS bearer context that the PDU session context mapping of the UE generates；

Processing module establishes the PDN of the UE for the EPS bearer context according to the UE in the core-network side of LTE network Connection；

Sending module carries instruction information for sending TAU received message to the UE in the TAU received message, described Instruction information is used to indicate the UE reconstruction PDN connection corresponding with the PDU session or the instruction information is used to indicate The information for the PDN connection that UE current network side has built up.

16. device according to claim 15, which is characterized in that do not carry any EPS carrying in the TAU request of the UE Information.

17. device according to claim 15, which is characterized in that

When the instruction information, which is used to indicate the UE, rebuilds PDN connection corresponding with the PDU session, the instruction information In include:

The asynchronous instruction of EPS bearer context.

18. device according to claim 15, which is characterized in that

When the instruction information is used to indicate the information for the PDN connection that UE current network side has built up, the instruction Include: in information

The APN information for the PDN connection having built up.

19. a kind of electronic equipment, including memory, processor, transceiver and it is stored on the memory and can be at the place The computer program run on reason device；It is characterized in that, the processor performs the steps of when executing described program

When Idle state user equipment (UE) is from 5G Network Mobility to long term evolution LTE network, tracing area TAU is initiated in UE and is updated During, pass through the context request of transceiver mobility management entity MME；

The context of the UE is sent to the MME by transceiver；

20. a kind of computer readable storage medium, for storing computer program, which is characterized in that the computer program can It is executed by processor and performs the steps of

The context of the UE is sent to the MME；

21. a kind of electronic equipment, including memory, processor, transceiver and it is stored on the memory and can be at the place The computer program run on reason device；It is characterized in that, the processor performs the steps of when executing described program

When Idle state UE is from 5G Network Mobility to long term evolution LTE network, requested by the TAU of UE described in transceiver；

It include according to the UE in the context of the UE by the context of the UE sent of AMF described in transceiver PDU session context mapping generate EPS bearer context；

TAU received message is sent to the UE by transceiver, instruction information, the finger are carried in the TAU received message Show that information is used to indicate the UE reconstruction PDN connection corresponding with the PDU session or the instruction information is used to indicate institute State the information for the PDN connection that UE current network side has built up.

22. a kind of computer readable storage medium, for storing computer program, which is characterized in that the computer program can It is executed by processor and performs the steps of