CN110121216A

CN110121216A - Session restoration methods and device, computer storage medium

Info

Publication number: CN110121216A
Application number: CN201810112133.6A
Authority: CN
Inventors: 邓强; 艾明
Original assignee: Telecommunications Science and Technology Research Institute Co Ltd
Current assignee: Datang Mobile Communications Equipment Co Ltd
Priority date: 2018-02-05
Filing date: 2018-02-05
Publication date: 2019-08-13
Anticipated expiration: 2038-02-05
Also published as: CN110121216B

Abstract

This application discloses a kind of session restoration methods and devices, computer storage medium, to session identification corresponding to the session that restores as needed, the session selectively restored to needs restores, to realize the connection of selective recovery user face in the 5G network architecture, the empty overhead of equipment is reduced.The session restoration methods, comprising: access, which is netted, determines session identification, and the session identification is for identifying the session to be restored；The access net according to the session identification restore the session identification corresponding to session.

Description

Session restoration methods and device, computer storage medium

Technical field

This application involves field of communication technology more particularly to session restoration methods and devices, computer storage medium.

Background technique

In the 5th generation (the 5th Generation, 5G) network architecture, R15 defines 5G basic framework and process, Including protocol Data Unit session (Protocol Data Unit Session, PDU Session) Establishing process, wherein association View data cell session establishment process is for establishing the user face between terminal and network (User Plane) connection.

Summary of the invention

The embodiment of the present application provides a kind of session restoration methods and device, computer storage medium, to as needed Session identification corresponding to the session of recovery, the session selectively restored to needs restores, thus in the 5G network architecture Middle realization selective recovery user face connection, reduces the empty overhead of equipment.

In a first aspect, in access net side, a kind of session restoration methods provided by the embodiments of the present application, comprising:

Access, which is netted, determines session identification, and the session identification is for identifying the session to be restored；

The access net according to the session identification restore the session identification corresponding to session.

By above-mentioned session restoration methods, access net first is determined for identifying session mark corresponding to the session to be restored Know, then accesses net according to the session identification and restore corresponding session, to realize the purpose of selective recovery session.Therefore, Netcom is accessed in the application determines that session identification corresponding to the session for needing to restore, further selective recovery accordingly can excessively Words reduce the empty overhead of equipment to realize that selective recovery user face connects in the 5G network architecture.

In a kind of possible embodiment, the access net receives terminal or access and mobile management function to ps domain entity hair The session identification sent.

By the above method, the mode that a variety of access nets obtain session identification is provided, so that access, which is netted, determines meeting The mode for talking about mark is more flexible.

In a kind of possible embodiment, the access net receives the session identification that the terminal is sent, comprising: described Access net receives the session identification that the terminal is sent by Radio Resource Control request message.

By the above method, provides a kind of access Netcom and cross Radio Resource Control request message and obtain session identification, from And save signal resource.

In a kind of possible embodiment, the access net receives the terminal and passes through Radio Resource Control request message After the session identification of transmission, the access Netcom crosses wireless heterogeneous networks response message and sends the session identification to the end End is to confirm that the access net receives the request message.

By the above method, net is accessed receiving terminal and sends the session sent by Radio Resource Control request message After mark, it again may be by wireless heterogeneous networks response message for the session identification and reply to terminal, to ensure to notify eventually Termination networks and has received the session identification.

In a kind of possible embodiment, the access net receives the access and mobile management function to ps domain entity is sent Session identification, comprising: access net receives the access and mobile management function to ps domain entity is disappeared by N2 message or paging Cease the session identification sent.

By above method, accesses Netcom and cross access and mobile management function to ps domain entity in transmission N2 message or paging message When transmission, session identification is obtained, to save signal resource.

In a kind of possible embodiment, the access net receives the access and mobile management function to ps domain entity passes through After the session identification that N2 message is sent, further includes: radio resource control information is crossed for the session identification by the access Netcom It is sent to the terminal；Alternatively, the access net receives what access was sent with mobile management function to ps domain entity by paging message After session identification, further includes: the access Netcom crosses paging message and the session identification is sent to the terminal.

By above method, net is accessed after determining session identification, by radio resource control information or can also be sought Exhale message that the session identification is sent to terminal, so that terminal obtains the session identification for needing to restore session.

In a kind of possible embodiment, the access is netted before determining session identification, this method further include: described to connect Network the session for determining and needing to hang up；The access net by it is described need mark corresponding to the session hung up be sent to access and Mobile management function to ps domain entity, so that the access and mobile management function to ps domain entity carry out session corresponding to the mark It hangs up.

By above method, it includes that session corresponding to session identification is that access net, which carries out the premise of selective recovery session, Therefore suspended state can selectively hang up corresponding session by the above method.

In a kind of possible embodiment, the access net sends mark corresponding to the session for needing to hang up To terminal, so that the terminal hangs up session corresponding to the mark.

By above method, in order to enable the corresponding session of session identification is also hung up in terminal side, access net need to Mark corresponding to the session to be hung up is sent to terminal.

Second aspect, in terminal side, the embodiment of the present application also provides a kind of session restoration methods, comprising:

Terminal determines session identification, and the session identification is for identifying the session to be restored；

The terminal according to the session identification restore the session identification corresponding to session.

By above-mentioned session restoration methods, terminal first is determined for identifying session mark corresponding to the session to be restored Know, then terminal restores corresponding session according to the session identification, to realize the purpose of selective recovery session.Therefore, originally Terminal is by determining session identification corresponding to the session that restores of needs in application, the further corresponding session of selective recovery, To realize the connection of selective recovery user face in the 5G network architecture, the empty overhead of equipment is reduced.

In a kind of possible embodiment, the terminal determines session identification, comprising: the terminal is asked according to application layer Determining session identification is sought, or receives the session identification of access net or access and the transmission of mobile management function to ps domain entity.

By above method, the mode that multiple terminal obtains session identification is provided, so that terminal determines session mark The mode of knowledge is more flexible.

In a kind of possible embodiment, the terminal receives the session identification that access net is sent, comprising: the terminal It receives access Netcom and crosses the session identification that paging message or radio resource control information are sent.

By above method, the paging message or radio resource control information that terminal is sent by access net determine session mark Know, to save signal resource.

In a kind of possible embodiment, the terminal receives the session of access and the transmission of mobile management function to ps domain entity Mark, comprising: the session identification that the terminal receives access and mobile management function to ps domain entity is sent by non-access layer information.

By above method, terminal is true by the non-access layer information for receiving access and the transmission of mobile management function to ps domain entity Session identification is determined, to save signal resource.

In a kind of possible embodiment, after the terminal determines session identification, this method further include: the terminal The session identification is sent to access net by Radio Resource Control request message.

By above method, session identification is sent to access net by Radio Resource Control request message by terminal, thus So that access net obtains the session identification, and determine the session for needing to restore.

In a kind of possible embodiment, the terminal passes through Radio Resource Control request message for the session identification It is sent to after access net, further includes: the terminal receives the access Netcom and crosses the transmission of wireless heterogeneous networks response message The session identification.

By above method, terminal is by receiving the session mark for accessing net and sending in wireless heterogeneous networks response message Know, so that further such that terminal determines that access net receives the session identification.

In a kind of possible embodiment, before the terminal determines session identification, this method further include: terminal receives Mark corresponding to the session that the needs that access net is sent are hung up；The terminal is according to corresponding to the session for needing to hang up Mark needs the session hung up to hang up for described.

By above method, it is to hang that the premise of terminal progress selective recovery session, which includes session corresponding to session identification, Therefore the state of rising can selectively hang up corresponding session by the above method.

The third aspect, in access and mobile management function to ps domain entity side, the embodiment of the present application also provides a kind of session is extensive Compound method, comprising:

Access and mobile management function to ps domain entity determine session identification, and the session identification is for identifying the meeting to be restored Words；

Corresponding to the access and mobile management function to ps domain entity restore the session identification according to the session identification Session.

By above-mentioned session restoration methods, first accesses and mobile management function to ps domain entity determines to be restored for identifying Session identification corresponding to session, then access and mobile management function to ps domain entity are according to the corresponding meeting of session identification recovery Words, to realize the purpose of selective recovery session.Therefore, access and mobile management function to ps domain entity pass through needs in the application Session identification corresponding to the session of recovery, the further corresponding session of selective recovery, to be realized in the 5G network architecture The connection of selective recovery user face, reduces the empty overhead of equipment.

In a kind of possible embodiment, access and mobile management function to ps domain entity determine session identification, comprising: described Access and mobile management function to ps domain entity receive the session identification that access net or conversation management functional entity are sent.

By above method, provides a variety of accesses and mobile management function to ps domain entity obtains the mode of session identification, from And access and mobile management function to ps domain entity is made to determine that the mode of session identification is more flexible.

In a kind of possible embodiment, the access and mobile management function to ps domain entity receive the meeting that access net is sent Words mark, comprising: the access and mobile management function to ps domain entity receive the session identification that the transmission of N2 message is crossed by access Netcom.

By above method, provides a kind of access and session identification is obtained by N2 message with mobile management function to ps domain entity Mode, to save signal resource.

In a kind of possible embodiment, the access and mobile management function to ps domain entity reception access Netcom cross N2 and disappear Cease the session identification sent, comprising: the access and mobile management function to ps domain entity receive access Netcom and cross the transmission of N2 message Session management messages include the session identification in the session management messages.

By above method, net is accessed when sending session management messages by N2 message, session identification is carried, so that connecing Enter with mobile management function to ps domain entity when receiving session management messages, determine session identification, further saves signaling money Source.

In a kind of possible embodiment, this method further include: the access and mobile management function to ps domain entity pass through The session identification is sent to conversation management functional entity by N11 message, so that the conversation management functional entity is according to Session identification determines the session for needing to restore.

By above method, further such that conversation management functional entity determines the session for needing to restore.

In a kind of possible embodiment, the access and mobile management function to ps domain entity receive conversation management functional reality The session identification that body is sent, comprising: the access and mobile management function to ps domain entity receive conversation management functional entity and pass through N11 The session identification that message is sent.

By above method, access and mobile management function to ps domain entity obtain the session institute that needs restore by N11 message Corresponding session identification, to save signal resource.

In a kind of possible embodiment, after the access determines session identification with mobile management function to ps domain entity, Further include: the session identification is sent to by paging message or N2 message and is connect by the access and mobile management function to ps domain entity It networks, so that session corresponding to the access network recovery and the session identification；Alternatively, the access and mobile management function The session identification is sent to terminal by non-access layer information by energy entity, so that the terminal is restored and the session identification Corresponding session.

By above method, access and mobile management function to ps domain determine session identification corresponding to the session for needing to restore it Afterwards, net is further accessed by paging message or N2 message informing, or terminal is notified by non-access layer information, so that eventually End and access net determine session identification corresponding to the session for needing to restore, and facilitate access net and terminal respectively to the session mark Know corresponding session to be restored.

It, should before access and mobile management function to ps domain entity determine session identification in a kind of possible embodiment Method further include: the access and mobile management function to ps domain entity receive corresponding to the session that the needs that access net is sent are hung up Mark, and the mark according to corresponding to the session for needing to hang up hangs up corresponding session.

By above method, the premise of access and the progress selective recovery session of mobile management function to ps domain entity is session The corresponding session of mark is suspended state, therefore, can selectively hang up corresponding session by the above method.

Fourth aspect, the same inventive concept based on the embodiment of the method provided with first aspect, the embodiment of the present application is also A kind of session recovery device is provided, access net side is applied to, which includes memory and processor,

Wherein, processor, for reading the program in memory and execution:

Determine session identification, the session identification is for identifying the session to be restored；

According to the session identification restore the session identification corresponding to session.

By above-mentioned session recovery device, determined by processor for identifying session mark corresponding to the session to be restored Know, corresponding session is then restored according to the session identification, to realize the purpose of selective recovery session.Therefore, the application Middle session recovery device is by determining that session identification corresponding to the session for needing to restore, further selective recovery accordingly can Words reduce the empty overhead of equipment to realize that selective recovery user face connects in the 5G network architecture.

5th aspect, the same inventive concept based on the embodiment of the method provided with second aspect, the embodiment of the present application is also A kind of session recovery device is provided, terminal side is applied to, which includes memory and processor,

Wherein, processor, for reading the program in memory and execution:

By above-mentioned session recovery device, determined by processor for identifying session mark corresponding to the session to be restored Know, corresponding session is then restored according to the session identification, to realize the purpose of selective recovery session.Therefore, the application Middle session recovery device is by determining that session identification corresponding to the session for needing to restore, further selective recovery accordingly can Words reduce the empty overhead of equipment so that solving the 5G network architecture realizes the connection of selective recovery user face.

6th aspect, the same inventive concept based on the embodiment of the method provided with the third aspect, the embodiment of the present application is also A kind of session recovery device is provided, is applied to access and mobile management function to ps domain entity side, which includes memory and place Device is managed,

Wherein, processor, for reading the program in memory and execution:

By above-mentioned session recovery device, determined by processor for identifying session mark corresponding to the session to be restored Know, corresponding session is then restored according to the session identification, to realize the purpose of selective recovery session.Therefore, the application Middle session recovery device is by determining that session identification corresponding to the session for needing to restore, further selective recovery accordingly can Words reduce the empty overhead of equipment to realize the connection of selective recovery user face in the 5G network architecture.

7th aspect, the embodiment of the present application also provides a kind of session recovery device, which includes:

First determining module, for determining session identification, the session identification is for identifying the session to be restored；

First recovery module, for according to the session identification restore the session identification corresponding to session.

Second determining module, for determining session identification, the session identification is for identifying the session to be restored；

Second recovery module, for according to the session identification restore the session identification corresponding to session.

Eighth aspect, the embodiment of the present application also provides a kind of session recovery devices, are applied to access and mobile management Functional entity side, the device include:

Third determining module, for determining session identification, the session identification is for identifying the session to be restored；

Third recovery module, for according to the session identification restore the session identification corresponding to session.

9th aspect, the embodiment of the present application also provides a kind of computer storage mediums, program code are stored with, when described When program code is run on the computing device, said program code is extensive for making the calculating equipment execute any of the above-described kind of session Compound method.

Detailed description of the invention

In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment Attached drawing is briefly introduced, it should be apparent that, the drawings in the following description are only some examples of the present application, for this For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is the framework schematic diagram of 5G network in the prior art；

Fig. 2 is the detailed process signal of the first session restoration methods under the 5G network architecture provided by the embodiments of the present application Figure；

Fig. 3 is the detailed process signal of second of session restoration methods under the 5G network architecture provided by the embodiments of the present application Figure；

Fig. 4 is the detailed process signal of the third session restoration methods under the 5G network architecture provided by the embodiments of the present application Figure；

Fig. 5 is the detailed process signal of the 4th kind of session restoration methods under the 5G network architecture provided by the embodiments of the present application Figure；

Fig. 6 is the detailed process signal that a kind of session under the 5G network architecture provided by the embodiments of the present application is selectively hung up Figure；

Fig. 7 is a kind of flow diagram of session restoration methods of the side RAN provided by the embodiments of the present application；

Fig. 8 is a kind of flow diagram of session restoration methods of the side UE provided by the embodiments of the present application；

Fig. 9 is a kind of flow diagram of session restoration methods of the side AMF provided by the embodiments of the present application；

Figure 10 is a kind of structural schematic diagram of session recovery device of the side RAN provided by the embodiments of the present application；

Figure 11 is a kind of structural schematic diagram of session recovery device of the side UE provided by the embodiments of the present application；

Figure 12 is a kind of structural schematic diagram of session recovery device of the side AMF provided by the embodiments of the present application；

Figure 13 is the structural schematic diagram of another session recovery device of the side RAN provided by the embodiments of the present application；

Figure 14 is the structural schematic diagram of another session recovery device of the side UE provided by the embodiments of the present application；

Figure 15 is the structural schematic diagram of another session recovery device of the side AMF provided by the embodiments of the present application.

Specific embodiment

In order to keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with attached drawing to the application make into It is described in detail to one step, it is clear that described embodiment is only the application some embodiments, rather than whole implementation Example.Based on the embodiment in the application, obtained by those of ordinary skill in the art without making creative efforts All other embodiment, shall fall in the protection scope of this application.

Currently, 5G network constructs in a flexible way, specifically network function is separated, i.e. control plane (Control Plane, CP) and user face (User Plane, UP) function separation, in CP mobile management (Mobile Management, MM) function and the separation of session management (Session Management, SM) function.In activated terminals and net in the 5G network architecture When user face between network connects, in order to reduce the empty overhead of equipment, protocol Data Unit session how is selectively activated, It is not defined in the 5G network architecture, and since great change has occurred compared to the 4G network architecture in the 5G network architecture, because This, the process of the user face activation in the 4G network architecture has been no longer desirable for the 5G network architecture.

In view of this, the embodiment of the present application provides a kind of session restoration methods and device, computer storage medium, to Session identification corresponding to the session restored as needed, the session selectively restored to needs restores, thus in 5G The connection of selective recovery user face is realized in the network architecture, reduces the empty overhead of equipment.

Shown in Figure 1 is a kind of 5G network architecture schematic diagram.It is main in the 5G network architecture provided in the embodiment of the present application To include following network entity function:

Wireless access network (Radio Access Network, RAN): the network being made of at least one 5G-RAN node, Realize radio physical layer function, scheduling of resource and wireless resource management, wireless access control and mobile management function to ps domain.5G- RAN is connected by interface in the user plane N3 with UPF, for transmitting the data of terminal device；5G-RAN by control plane interface N2 and AMF establishes control plane signaling connection, for realizing functions such as radio access bearer controls.5G-RAN node specifically can be the whole world Mobile communication (Global System for Mobile communication, GSM) system or CDMA (Code Division Multiple Access, CDMA) base station (Base Transceiver Station, BTS) in system, it can also To be the base station in wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system (NodeB), the evolved base station (evolutional Node B, eNB) in LTE system, or future 5G net be can also be Base station equipment, small base station equipment, wireless access node (WiFiAP) in network etc., the application does not limit this.

Access and mobile management function to ps domain entity (Access and Mobility Management Function, AMF): it is mainly responsible for the certification of user equipment (User Equipment, UE), UE mobile management, the selection of network slice, The functions such as the selection of SMF.AMF as N1 and N2 signaling connection anchor point and be conversation management functional (Session Management Function, SMF) routing of N1/N2SM message is provided.The status information of AMF maintenance and management UE.

SMF: all control plane functions of UE session management, including user plane functions (User Plane are mainly responsible for Function, UPF) selection, the distribution of the network protocol address (Internet Protocol, IP), the service quality of session (Quality of Service, QoS) management, (from PCF) obtain PCC strategy etc..

User plane functions (UPF): the anchor as protocol Data Unit (Protocol Data Unit, PDU) session connection Fixed point is responsible for the data message filtering of user equipment, data transmission/forwarding, rate control, generation charge information etc..

Terminal device be also referred to as user equipment (User Equipment, UE), mobile station (Mobile Station, MS), mobile terminal (Mobile Terminal) etc., optionally, which can have through wireless access network (Radio Access Network, RAN) ability that is communicated with one or more core nets, for example, terminal can be mobile phone (or being " honeycomb " phone) or with the computer etc. for moving property, for example, terminal can also be portable, pocket, hand Hold formula, built-in computer or vehicle-mounted mobile device.

The embodiment of the present application can be applied to 5G communication system or long term evolution (Long Term Evolution, LTE) The mobile communication system such as system.Wherein, 5G communication system can be applied in the application of all trades and professions, such as mobile broadband, more Media, machine type communication (Machine Type Communication, MTC), Industry Control and intelligent transportation system (Intelligent Transportation System, ITS) etc..

A kind of session restoration methods provided by the embodiments of the present application and device, computer storage medium, can apply at end End in connected state, Idle state or when suspended state, terminal, access net and core net how selective recovery user face session In scene.Terminal in the embodiment of the present application can be to have to set through access net with what one or more core nets were communicated It is standby；Access net in the embodiment of the present application can be wireless access network or base station etc.；Core net in the embodiment of the present application can Think access and mobile management function to ps domain real (AMF) and/or conversation management functional (SMF).It is not specifically limited herein.

In the embodiment of the present application, terminal, which switchs to connected state from Idle state, can be converted to connection from Idle state for terminal itself State, or connected state can also be converted to from Idle state including some session in terminal, it is not specifically limited herein.The application It includes: that terminal hangs up wireless heterogeneous networks (Radio Resource Control, RRC) that terminal, which is in suspended state, in embodiment Wireless data carrying (Data Radio Bearer, DRB) connection is hung up in connection.

Firstly, in terminal side, the session restoration methods that are provided in the embodiment of the present application, comprising: terminal is in suspended state When, terminal determines session identification corresponding to the session for needing to restore, and restores corresponding session according to the session identification, thus So that terminal is by determining session identification corresponding to the session that restores of needs, the further corresponding session of selective recovery, from And the connection of selective recovery user face is realized in the 5G network architecture, reduce the empty overhead of equipment.

Optionally, terminal determines session identification corresponding to the session for needing to restore, and can be determined with itself or by connecing It networks or core net notifies terminal；Further, after terminal determines the session identification, radio resource control can be initiated in terminal When message processed, session identification carrying is sent to access net in radio resource control information, so that access net determines After connecting with terminal recovery wireless heterogeneous networks, restore session corresponding to the session identification between terminal and access net, thus Achieve the purpose that selective recovery session, and then saves empty overhead.Wherein, the meeting is sent by radio resource control messages Words mark, further saves signal resource.

It should be noted that session identification is sent to access net, or access net, core by terminal in the embodiment of the present application Heart net notifies the session identification to terminal, can also be sent using the signaling newly increased；Optionally, in order to further subtract Few transmission session identifies occupied signal resource, session identification can be carried and be sent in existing signaling, adopted certainly Sending the session identification with existing signaling is sent under the premise of not influencing existing signaling.

Optionally, access net is after determining session identification corresponding to the session for needing to restore, by between core net Connection request, which is sent to core net, so that core net determines the session identification, and according to the session Mark, which determines, restores corresponding session.Wherein, which is sent by connection request, further saves signal resource.

Optionally, when terminal notifies the session identification to access net in the embodiment of the present application, RRC connection can sent Session identification corresponding to the session for needing to restore is carried in recovery request message or DRB connection recovery request message, thus It further reduces transmission session and identifies occupied signal resource.

Optionally, access net can send N2 message after determining session identification corresponding to the session for needing to restore When to core net, session identification corresponding to the session for needing to restore is carried, so that core net determines the session identification, with Session corresponding to the session identification is restored convenient for core net.Further, it will words mark carries in N2 message, Occupied signal resource is identified to reduce transmission session.

A kind of session restoration methods are additionally provided in the embodiment of the present application, can be applied and are in suspended state situation in terminal Under, this method comprises: core net when carrying out downlink data transmission, determines session identification corresponding to the session for needing to restore, And corresponding session is restored according to the session identification, so that core net is by determining meeting corresponding to the session for needing to restore Words mark, the further corresponding session of selective recovery, thus realize that selective recovery user face connects in the 5G network architecture, Reduce the empty overhead of equipment.

Optionally, core net determines session identification corresponding to the session for needing to restore, and can be determined or be passed through with itself Access Netcom is known to core net；Further, after core net determines the session identification, which can be notified to connecing Networking and/or terminal；Then core net is restored according to the session identification and accesses session corresponding to the session identification between net, And/or the session according to corresponding to the session identification between session identification recovery core net and terminal, to reach selectivity Restore the purpose of session, and then saves empty overhead.

Optionally, core net determines need session identification corresponding to the session that restores after, by the session identification notify to When access net, which can be carried and be disappeared in paging when sending paging message or N2 message to access net by core net In breath or N2 message, so that access, which is netted, determines the session identification, restore corresponding in order to access net according to the session identification Session.Specifically, the session identification is carried in paging message or N2 message, to further reduce transmission session mark institute The signal resource of occupancy.

Optionally, core net determines need session identification corresponding to the session that restores after, by the session identification notify to When terminal, core net can be taken the session identification when sending Non-Access Stratum (Non Access Stratum, NAS) message Band is in non-access layer information, so that terminal determines the session identification, in order to which terminal is restored to correspond to according to the session identification Session.Wherein, the session identification is carried in non-access layer information, to further reduce occupied by transmission session mark Signal resource.

It should be noted that the session identification is sent to access net or terminal by core net in the embodiment of the present application, it can also To be sent using the signaling newly increased；Optionally, occupied signal resource is identified in order to be further reduced transmission session, Session identification can be carried and be sent in existing signaling, sending the session identification using existing signaling certainly is in not shadow It is sent under the premise of ringing existing signaling.

It should be noted that session identification is the information of the unique session of global identity in the embodiment of the present application.For example, session Mark can be the corresponding authentication of session or other are customized for distinguishing and the unique identification of other sessions.? This is not specifically limited.Session can be protocol Data Unit session (Protocol Data Unit in the embodiment of the present application Session, PDU Session) or other.It is not specifically limited herein.

It in the embodiment of the present application, is described in detail for restoring PDU session, wherein PDU session identification is PDU Session ID；Access net be wireless access network RAN for, below in conjunction with attached drawing to scheme provided by the embodiments of the present application into Row is specific to be illustrated.

Embodiment 1, UE is in Idle state, and UE, in RRC connection suspended state, referring to fig. 2, the embodiment of the present application provides Session restoration methods, comprising:

S201, UE are to RAN initiating random access procedure；

S202, UE send RRC connection recovery request (RRC Connection Resume Reques) message to RAN；Its In, what carrying UE was determined in RRC connection recovery request (the RRC Connection Resume Reques) message needs to restore Session institute to PDU Session ID；

Wherein, also carrying in RRC connection recovery request (the RRC Connection Resume Reques) message needs Mark, i.e. Resume ID corresponding to the UE context to be restored (UE context), to the UE for notifying RAN to need to restore Context.

After S203, RAN determine the PDU Session ID, sends RRC connection and restore (RRC Connection Resume) Message is to UE；Wherein, which, which restores to carry in (RRC Connection Resume) message, rebuilds AS safety for UE Mark NCC；

Optionally, RRC connection restores that the PDU can also be carried in (RRC Connection Resume) message Session ID, with so that UE determines that RAN has received the PDU Session ID.

S204, UE restore wireless signaling carrying (Signal Radio Bearer, SRB) and PDU between RAN DRB corresponding to Session ID；And UE pacifies according to the determining AS that re-establishes between RAN of the mark NCC for rebuilding AS safety Full certification, so that UE enters connected state by Idle state；

S205, UE send RRC connection and restore completion (RRC Connection Resume Complete) message to RAN, So that RAN determines that RRC connection successfully restores；

S206, RAN send UE context recovery request (UE context Resume to AMF by N2 request message Request) message, so that AMF determines that UE is in connected state；Wherein, PDU Session ID is also carried in N2 request message, So that AMF determines PDU Session ID corresponding to the PDU session for needing to restore；

Specifically, RAN carries PDU Session ID in N2 request message when sending N2 request message, so that It obtains AMF and determines PDU Session ID corresponding to the session for needing to restore, it is mono- so as to avoid transmission PDU Session ID Wasting of resources phenomenon caused by exclusive signal resource.

It wherein, can also include (cause) the reason of establishing PDU session in the embodiment of the present application, in N2 request message.

S207, AMF select corresponding SMF to carry out according to information such as data network names (Data Network Name, DNN) Service, and PDU session establishment request message is sent to SMF by N11 request message；

Optionally, it may include above-mentioned N2 request message in N11 request message, i.e., carry PDU in N11 request message Session ID。

S208, SMF determine the PDU session for needing to restore or activate according to the PDU Session ID in N2 request message, And notify RAN tunnel information (the RAN Tunnel of PDU session corresponding to the UPF PDU Session ID Information), so that terminal is carried out data transmission by the RAN tunnel information；

S209, SMF send PDU session establishment to AMF and respond (PDU Session Response) message；So that AMF Determine that session establishment corresponding to PDU Session ID is completed；

S2010, AMF send UE context to RAN and restore response (UE context Resume Response) message.

By the step of executing above-mentioned S201-S2010, the side UE, the side RAN and the side AMF are respectively according to PDU session identification PDU Session ID has restored the PDU Session between UE and RAN, and has restored the PDU Session between AMF and RAN, It further facilitates and carries out data transmission between UE, RAN and AMF.

Embodiment 2, UE are in connected state, and in UE in DRB connection suspended state, referring to Fig. 3, the embodiment of the present application is mentioned Second of the session restoration methods supplied, comprising:

S301, UE, which are determined, is in connected state；

S302, UE send DRB connection recovery request (DRB Connection Resume Request) message to RAN；Its In, what carrying UE was determined in DRB connection recovery request (the DRB Connection Resume Request) message needs to restore Session institute to PDU Session ID；

After S303, RAN determine the PDU Session ID, sends DRB connection and restore (DRB Connection Resume) Message is to UE；Wherein, which restores to include rebuilding AS safety for UE in (DRB Connection Resume) message Mark NCC；

Optionally, which restores in (DRB Connection Resume) message include PDU Session ID, with so that UE determines that RAN has received the PDU Session ID.

S304, UE restore DRB corresponding to the PDU Session between RAN；And UE is according to reconstruction AS safety Mark NCC is determining to re-establish AS safety certification between RAN；

S305, UE send DRB connection and restore completion (DRB Connection Resume Complete) message to RAN, So that RAN determines that DRB connection successfully restores；

S306, RAN send UE context recovery request (UE context Resume to AMF by N2 request message Request) message, so that AMF determines that UE is in connected state；Wherein, PDU Session ID is also carried in N2 request message, So that AMF determines PDU Session ID corresponding to the PDU session for needing to restore；

S307, AMF select corresponding SMF to carry out according to information such as data network names (Data Network Name, DNN) Service, and PDU session establishment request message is sent to SMF by N11 request message；

S308, SMF determine the PDU session for needing to restore or activate according to the PDU Session ID in N2 request message, And notify RAN tunnel information (the RAN Tunnel of PDU session corresponding to the UPF PDU Session ID Information), so that terminal is carried out data transmission by the RAN tunnel information；

S309, SMF send PDU session establishment to AMF and respond (PDU Session Response) message；So that AMF Determine that session establishment corresponding to PDU Session ID is completed；

S3010, AMF send UE context to RAN and restore response (UE context Resume Response) message.

By the step of executing above-mentioned steps S301-S3010, the side UE, the side RAN and the side AMF are respectively according to PDU session identification PDU Session ID has restored the PDU Session between UE and RAN, and has restored the PDU between AMF and RAN Session is further facilitated and is carried out data transmission between UE, RAN and AMF.

Embodiment 3, UE are in Idle state, and when having downlink data to be transmitted, and referring to fig. 4, the embodiment of the present application provides The third session restoration methods, comprising:

S401, downlink data reach UPF；

S402, UPF determine that PDU session corresponding to downlink data does not have corresponding downlink, and UPF has to SMF transmission Downlink data notification message, to notify SMF to there is downlink data to be transmitted；

S403, SMF send service request (Service request) message by N11 request message and ask to AMF, the N11 Carrying PDU Session ID in message is sought, and the PDU Session ID is passed for downlink data in identification of steps S402 Corresponding PDU session when defeated；

S404, Idle state is in due to UE, after AMF determines PDU Session ID by N11 request message, is sent out to RAN Paging (Paging) message is played, and includes PDU SessionID in paging (Paging) message, is needed so that RAN is determined PDU Session ID corresponding to the PDU session of recovery；

After S405, RAN determine PDU Session ID, paging (Paging) message is initiated to UE；

Optionally, which can carry PDU Session ID, so that UE determination needs to restore PDU session corresponding to PDU Session ID.

Optionally, PDU Session ID is not carried in paging (Paging) message, only send RRC in subsequent UE and connect When connecing recovery request, RAN carries the PDU Session ID to be restored in message in RRC connection, and to notify UE to determine, needs are extensive PDU Session ID corresponding to multiple PDU session.

S406, UE send RRC connection recovery request (RRC Connection Resume Request) message to RAN；

Wherein, also carrying in RRC connection recovery request (the RRC Connection Resume Request) message needs Mark, i.e. Resume ID corresponding to the UE context to be restored (UE context), to the UE for notifying RAN to need to restore Context.

S407, RAN send RRC connection and restore (RRC Connection Resume) message to UE；Wherein, the RRC connection Restore to carry the mark NCC for rebuilding AS safety for UE in (RRC Connection Resume) message；

Optionally, if paging (Paging) message in S405 does not carry PDU Session ID, which restores (RRC Connection Resume) PDU Session ID is carried in message, it is right with the PDU session institute for notifying UE to determine to need to restore The PDU Session ID answered.

Optionally, PDU Session ID is carried in (Paging) message if paging in S405, which restores (RRC Connection Resume) PDU Session ID can also be carried in message, with so that UE determines that RAN has received this PDU Session ID。

S408, UE restore corresponding to wireless signaling carrying (SRB) and PDU Session ID between RAN DRB；And UE re-establishes AS safety certification between RAN according to the mark NCC for rebuilding AS safety is determining, so that UE is by sky Not busy state enters connected state；

S409, UE send RRC connection and restore completion (RRC Connection Resume Complete) message to RAN, So that RAN determines that RRC connection successfully restores；

S4010, RAN send UE context recovery request (UE context Resume to AMF by N2 request message Request) message, so that AMF determines that UE is in connected state；

S4011, AMF send PDU session establishment request message to SMF by N11 request message；

It optionally, may include above-mentioned N2 request message in N11 request message.

S4012, SMF notify the RAN tunnel information (RAN of PDU session corresponding to the UPF PDU Session ID Tunnel Information) so that terminal is carried out data transmission by the RAN tunnel information；

S4013, SMF send PDU session establishment to AMF and respond (PDU Session Response) message；So that AMF Determine that session establishment corresponding to PDU Session ID is completed；

S4014, AMF send UE context to RAN and restore response (UE context Resume Response) message.

By the step of executing above-mentioned S401-S4014, the side UE, the side RAN and the side AMF are respectively according to PDU session identification PDU Session ID has restored the PDU Session between UE and RAN, and has restored the PDU Session between AMF and RAN, It further facilitates and carries out data transmission between UE, RAN and AMF.

Embodiment 4, UE are in connected state, and when having downlink data to be transmitted, and referring to Fig. 5, the embodiment of the present application is provided The 4th kind of session restoration methods, comprising:

S501, downlink data reach UPF；

S502, UPF determine that PDU session corresponding to downlink data does not have corresponding downlink, and UPF has to SMF transmission Downlink data notification message, to notify SMF to there is downlink data to be transmitted；

S503, SMF send service request (Service request) message by N11 request message and ask to AMF, the N11 Carrying PDU Session ID in message is sought, and the PDU Session ID is passed for downlink data in identification of steps S502 Corresponding PDU session when defeated；

S504, be in connected state due to UE, AMF by Non-Access Stratum (NAS) message send the PDU Session ID to UE, so that UE determines PDU Session ID corresponding to the PDU session for needing to restore；

S505, AMF send the PDU Session ID to RAN, so that RAN determination needs to restore by N2 request message PDU session corresponding to PDU Session ID；

It should be noted that S504 and S505 is optional step, AMF can be by N2 request message by the PDU Session ID is sent to RAN；Alternatively, the PDU Session ID can be sent to UE by non-access layer information by AMF；When So, it can also be performed both by with S504 and S505, i.e. execution S504 and then execution S505；Alternatively, executing S505 and then execution S504.It is not specifically limited herein.

S506, UE send DRB connection recovery request (DRB Connection Resume Request) message to RAN；

Optionally, if AMF sends the PDU Session ID to UE, the DRB connection by Non-Access Stratum (NAS) message It is right that the session institute that the needs that UE is determined restore is carried in recovery request (DRB Connection Resume Request) message PDU Session ID, so that RAN determines PDU Session ID corresponding to the PDU session for needing to restore.

S507, RAN send DRB connection and restore (DRB Connection Resume) message to UE；Wherein, the DRB connection Restore to include the mark NCC for rebuilding AS safety for UE in (DRB Connection Resume) message；

Optionally, if AMF sends the PDU Session ID to RAN by N2 request message, which restores It can also include the PDU Session ID in (DRB Connection Resume) message, to notify UE to determine, needs are extensive PDU Session ID corresponding to multiple PDU session.

S508, UE restore DRB corresponding to the PDU Session between RAN；And UE is according to reconstruction AS safety Mark NCC is determining to re-establish AS safety certification between RAN；

S509, UE send DRB connection and restore completion (DRB Connection Resume Complete) message to RAN, So that RAN determines that DRB connection successfully restores；

S5010, RAN send UE context recovery request (UE context Resume to AMF by N2 request message Request) message, so that AMF determines that UE is in connected state；

S5011, AMF select corresponding SMF according to information such as data network names (Data Network Name, DNN), and PDU session establishment request message is sent to SMF by N11 request message；

S5012, SMF notify the RAN tunnel information (RAN of PDU session corresponding to the UPF PDU Session ID Tunnel Information) so that terminal is carried out data transmission by the RAN tunnel information；

S5013, SMF send PDU session establishment to AMF and respond (PDU Session Response) message；So that AMF Determine that session establishment corresponding to PDU Session ID is completed；

S5014, AMF send UE context to RAN and restore response (UE context Resume Response) message.

To sum up, be the process restored to session in embodiment 1- embodiment 4, certainly, if desired to PDU session into Row restores, then it needs to be determined that the PDU session is hang-up or unactivated state.Therefore, it referring to Fig. 6, is also mentioned in the embodiment of the present application A kind of method that selectivity hangs up session is supplied.Wherein, it is to be in UE as connected state that selectivity, which hangs up session, and UE and network In the case where there is data transmission channel between side, the hang-up of PDU session is carried out.

Embodiment 5, referring to Fig. 6, it is provided by the embodiments of the present application it is a kind of selectivity hang up session method include:

S601, RAN determine the PDU session for needing to hang up；

S602, RAN send interrupt requests (Suspend Request) message, the interrupt requests (Suspend to AMF Request PDU Session ID corresponding to the PDU session for needing to hang up) is carried in message；

S603, AMF determine SMF corresponding to the PDU Session ID according to the PDU Session ID, and to determination SMF send PDU session suspend request message, which, which suspends request, carries the PDU Session ID in message so that It obtains the SMF and determines that PDU session corresponding to PDU Session ID has been suspended；

S604, SMF send the message that has been suspended of PDU session corresponding to PDU Session ID to UPF, so that UPF deletes the corresponding downlink tunnel information of the PDU session；

S605, SMF send PDU session to AMF and hang up response message, so that AMF determines that PDU Session ID institute is right The PDU session answered has been hung up；

S606, AMF send interrupt requests response message to RAN, so that RAN is determined corresponding to PDU Session ID PDU session has been hung up；

S607, RAN send RRC signaling message to UE, and PDU Session ID is carried in the RRC signaling message, so that It obtains UE and determines that PDU session corresponding to PDU Session ID has been hung up；

S608, UE DRB according to corresponding to the PDU session that PDU Session ID hangs up the PDU Session ID, and Save corresponding AS context.

It should be noted that the method selectively hung up in embodiment 5 for PDU session, can apply and implement In example 1, embodiment 2, embodiment 3 or embodiment 4.It specifically, can be in embodiment 1, embodiment 2, embodiment 3 or embodiment 4 The session of middle offer carries out selectivity before restoring and hangs up PDU session, alternatively, carrying out selective hang-up after session recovery PDU session.It is not specifically limited herein.

In conclusion in access net side, such as in base station side, referring to Fig. 7, a kind of session provided by the embodiments of the present application is extensive Compound method, comprising:

S701, RAN determine session identification, and session identification is for identifying the session to be restored；

S702, RAN session according to corresponding to session identification recovery session identification.

By above-mentioned session restoration methods, access net first is determined for identifying session mark corresponding to the session to be restored Know, then accesses net according to the session identification and restore corresponding session, to realize the purpose of selective recovery session.Therefore, Netcom is accessed in the application determines that session identification corresponding to the session for needing to restore, further selective recovery accordingly can excessively Words, to realize that selective recovery user face connects in the 5G network architecture, reduces the empty overhead of equipment.

Optionally, when RAN determines session identification, the session identification that UE is sent is received including RAN, alternatively, RAN receives AMF The session identification of transmission.Therefore, RAN determines that the mode of session identification is relatively more, to increase the spirit that RAN determines session identification A kind of activity, it is not limited to mode.

Optionally, when RAN receives the session identification that UE is sent, RAN can receive UE and be disappeared by Radio Resource Control request Cease the session identification sent.Specifically, for example, in above-described embodiment 1 or embodiment 3 UE to RAN send RRC connection recovery request When message, which is carried in RRC connection recovery request message, so that RAN is in the RRC for receiving UE transmission When connecting recovery request message, it is determined that session identification corresponding to the session for needing to restore, and then save transmission session mark Know the signal resource occupied.In another example UE sends DRB connection recovery request message to RAN in above-described embodiment 2 or embodiment 4 When, which is carried in DRB connection recovery request message, so that RAN is in the DRB connection for receiving UE transmission When recovery request message, it is determined that session identification corresponding to the session for needing to restore, and then save transmission session mark and account for Signal resource.

Optionally, in order to which further such that UE determines that session identification has been received in RAN, RAN receives UE by wirelessly providing After source controls the session identification that request message is sent, RAN can also send session mark by wireless heterogeneous networks response message Know to UE, to confirm that RAN receives the session identification.Specifically, for example, in above-described embodiment 1 or embodiment 3, RAN pass through to When UE sends RRC connection recovery message, which is carried and is restored in message in RRC connection, so that UE is being received When the RRC connection sent to RAN restores message, it is determined that session identification corresponding to the session for needing to restore, and then determine RAN The session identification is received.In another example RAN sends DRB connection to UE and restores message in above-described embodiment 2 or embodiment 4 When, which is carried and is restored in message in DRB connection, so that UE restores in the DRB connection for receiving RAN transmission When message, it is determined that session identification corresponding to the session for needing to restore, and then determine that RAN has received the session identification.

Optionally, when RAN receives the session identification that AMF is sent, RAN can receive what AMF was sent by N2 request message Session identification or RAN can receive the session identification that AMF is sent by paging message.For example, in above-described embodiment 4, AMF After determining session identification corresponding to the session for needing to restore, which is sent to by RAN by N2 request message；Or Person, in above-described embodiment 3, after AMF determines session identification corresponding to the session for needing to restore, by paging message by the session Mark is sent to RAN, so that RAN determines session identification corresponding to the session for needing to restore.Wherein, RAN is being sent out by AMF When N2 request message or paging message being sent to send, session identification is obtained, to save signal resource.

Optionally, after RAN receives the session identification that AMF is sent by N2 request message, further includes: RAN is sent out to UE When sending radio resource control information, which is sent to UE, so that UE determines the session identification.For example, above-mentioned reality It applies in example 4, after RAN determines session identification corresponding to the session for needing to restore, restores message by feeding back DRB connection to UE When, which is sent to UE.Optionally, it after RAN receives the session identification that AMF is sent by paging message, also wraps Include: the session identification is sent to UE, so that UE determines the session identification when sending paging message to UE by RAN.For example, It,, will by sending paging message to UE after RAN determines session identification corresponding to the session for needing to restore in above-described embodiment 3 The session identification is sent to UE.

Optionally, RAN can select session before or after restoring to session in the embodiment of the present application Selecting property is hung up, to save empty overhead.Therefore, in the embodiment of the present application RAN before determining session identification, further includes: RAN Determine the session for needing to hang up；RAN will need mark corresponding to the session hung up to be sent to AMF, so that AMF right to mark institute The session answered is hung up.For example, in S602, RAN will be corresponding to the session by interrupt request message in above-described embodiment 5 Mark be sent to AMF.

Optionally, after the session that RAN determination needs to hang up in the embodiment of the present application, in order to further such that UE determines need The session to be hung up, further includes: RAN will need mark corresponding to the session hung up to be sent to UE, so that UE is by the mark Corresponding session is hung up.For example, in S607, which is sent to by RAN by RRC signaling in above-described embodiment 5 UE。

Based on same invention thought, in terminal side, referring to Fig. 8, the embodiment of the present application provides another session recovery side Method, this method comprises:

S801, UE determine session identification, and session identification is for identifying the session to be restored；

S802, UE session according to corresponding to session identification recovery session identification.

By above-mentioned session restoration methods, UE first is determined for identifying session identification corresponding to the session to be restored, Then UE restores corresponding session according to the session identification, to realize the purpose of selective recovery session.Therefore, in the application Terminal is by determining session identification corresponding to the session for needing to restore, the further corresponding session of selective recovery, thus real The connection of selective recovery user face, reduces the empty overhead of equipment in the present 5G network architecture.

Optionally, when UE determines session identification, comprising: UE determines session identification according to application-level request, alternatively, UE is received The session identification that RAN is sent, alternatively, the session identification that AMF is sent.Therefore, UE determines that the mode of session identification is relatively more, thus Increase the flexibility that UE determines session identification, it is not limited to a kind of mode.

Optionally, when UE receives the session identification that RAN is sent, UE can receive RAN and pass through paging message or radio resource The session identification that control message is sent.Specifically, UE passes through the session mark carried in paging message or radio resource control information Know, so that it is determined that need the session that restores, avoid independent occupied signaling resource transmission session identification and caused by signal resource Waste.For example, UE is Idle state, the RRC connection recovery request that UE is initiated in above-described embodiment 1 or embodiment 3 After (connection Resume request) message is to RAN, the RRC connection that RAN feeds back to UE restores (connection Resume) message, and restore to carry session identification in message in the RRC connection, so that UE determines session identification；For example, above-mentioned In embodiment 2 or embodiment 4, UE is connected state, DRB connection recovery request (the connection Resume that UE is initiated Request after) message is to RAN, the DRB connection that RAN feeds back to UE restores (connection Resume) message, and in the DRB Connection restores to carry session identification in message, and then saves the signal resource that transmission session mark occupies.

Optionally, when UE receives the session identification that AMF is sent, UE can receive what AMF was sent by non-access layer information Session identification.For example, when AMF sends non-access layer information to UE in S504, which is sent in above-described embodiment 4 To UE, so that UE determines session identification corresponding to the session for needing to restore, to save signal resource.

Optionally, after UE determines session identification, further includes: UE when sending Radio Resource Control request message to RAN, The session identification is sent to RAN.Wherein, radio resource control information includes that the RRC connection recovery request that sends to RAN of UE disappears Breath or DRB connection recovery request message.For example, UE is Idle state, the RRC that UE is initiated in above-described embodiment 1 or embodiment 3 Recovery request (connection Resume request) message is connected to RAN, and in the RRC connection recovery request message Session identification is carried, so that RAN determines session identification；Alternatively, above-mentioned is in embodiment 2 or embodiment 4, UE is connected state, UE DRB connection recovery request (connection Resume request) message is initiated to RAN, and in the DRB connection recovery request Session identification is carried in message, so that RAN determines session identification；And then save the signal resource that transmission session mark occupies.

Optionally, session identification is sent to after RAN by UE by Radio Resource Control request message, further includes: UE connects Receive the session identification that RAN is sent by wireless heterogeneous networks response message.For example, UE is in above-described embodiment 1 or embodiment 3 When Idle state, after RRC connection recovery request (connection Resume request) message that UE is initiated is to RAN, receive The RRC connection that RAN is initiated restores (connection Resume) message, and restores to carry session mark in message in the RRC connection Know, so that UE determines that RAN has received the session identification；Alternatively, UE is connected state, UE in above-described embodiment 2 or embodiment 4 After DRB connection recovery request (connection Resume request) message is initiated to RAN, receives the DRB that RAN is initiated and connect Recovery (connection Resume) message is connect, and restores to carry session identification in message in the DRB connection, so that UE is determined RAN has received the session identification.

Optionally, UE can select session before or after restoring to session in the embodiment of the present application Selecting property is hung up, to save empty overhead.Therefore, before UE determines session identification in the embodiment of the present application, further includes: UE is received Mark corresponding to the session that the needs that RAN is sent are hung up；Mark corresponding to the session that UE is hung up as needed will need to hang The session risen is hung up.For example, RAN will be corresponding to the session by RRC signaling message in S607 in above-described embodiment 5 Mark is sent to UE.

Based on same invention thought, in the side AMF, referring to Fig. 9, the embodiment of the present application provides the third session recovery side Method, this method comprises:

S901, AMF determine session identification, and session identification is for identifying the session to be restored；

S902, AMF according to session identification restore the session identification corresponding to session.

By above-mentioned session restoration methods, AMF first is determined for identifying session identification corresponding to the session to be restored, Then AMF restores corresponding session according to the session identification, to realize the purpose of selective recovery session.Therefore, the application Middle AMF is by determining session identification corresponding to the session for needing to restore, the further corresponding session of selective recovery, thus real In the present 5G network architecture the problem of connection of selective recovery user face.

Optionally, when AMF determines session identification, comprising: AMF receives the session identification that RAN is sent, alternatively, AMF is received The session identification that SMF is sent, alternatively, AMF determines session identification according to the service request information that SMF is sent.Therefore, AMF is determined The mode of session identification is relatively more, to increase the flexibility that AMF determines session identification, it is not limited to a kind of mode.

Optionally, when AMF receives the session identification that RAN is sent, AMF can receive the session that RAN is sent by N2 message Mark.For example, RAN sends UE context recovery request by N2 request message to AMF and disappears in above-described embodiment 1- embodiment 4 When breath, which is carried in the UE context recovery request message, so that AMF is receiving RAN transmission The session identification is obtained when N2 request message, thus avoid independent occupied signaling resource transmission session identification and caused by signaling provide The waste in source.

Optionally, AMF receives the session identification that RAN is sent by N2 message, comprising: AMF receives RAN and sent out by N2 message The session management messages sent include session identification in the session management messages.

Optionally, in session restoration methods provided by the embodiments of the present application, AMF determines session identification using aforesaid way Afterwards, in order to enable SMF determines the session for needing to restore, session identification can also be sent to SMF by N11 message by AMF, so that It obtains SMF and determines the session for needing to restore according to the session identification, and UPF is notified to restore corresponding session.For example, above-described embodiment In 1- embodiment 4, when AMF sends PDU session establishment request message by N11 request message to SMF, which is sent To SMF.

Optionally, in session restoration methods provided by the embodiments of the present application, AMF is according to the session identification for receiving SMF transmission When, it can be determined by receiving the N11 message that SMF is sent.For example, SMF passes through in above-described embodiment 3 or embodiment 4 When N11 request message sends service request information to AMF, which is sent to the AMF.

Optionally, after AMF determines session identification, in order to enable RAN determines the session identification, further includes: AMF is by seeking Exhale message that the session identification is sent to RAN, so that RAN restores and session corresponding to session identification.For example, above-mentioned implementation In example 3, in step S404, when AMF sends paging message to RAN, which is sent to RAN.Alternatively, AMF passes through N2 Session identification is sent to RAN by request message, so that RAN restores and session corresponding to session identification.For example, above-described embodiment In 4, in step S505, when AMF sends N2 request message to RAN, which is sent to RAN.Optionally, when UE is in When connected state, in order to enable UE determines the session identification, it further include that session identification is sent to by AMF by non-access layer information UE, so that UE restores and session corresponding to session identification.For example, in step S504, AMF is sent to UE in above-described embodiment 4 When non-access layer information, which is sent to UE.To sum up, by the above method, so that UE or RAN determine that needs are extensive Session identification corresponding to multiple session, so that UE or RAN be facilitated to restore respectively to session corresponding to the session identification.

Optionally, AMF can select session before or after restoring to session in the embodiment of the present application Selecting property is hung up, to save empty overhead.Therefore, in the embodiment of the present application before AMF determines session identification, this method is also wrapped Include: AMF receives mark corresponding to the session that the needs that RAN is sent are hung up, and mark corresponding to the session hung up as needed Know and hangs up corresponding session.For example, in S602, RAN will be corresponding to the session by interrupt request message in above-described embodiment 5 Mark be sent to AMF.

Based on same invention thought, referring to Figure 10, in access net side, the first session provided by the embodiments of the present application restores Device, the device include memory 11 and processor 12,

Wherein, processor 12, for reading program and execution in memory 11:

Optionally, the processor determines session identification, is specifically used for: receiving terminal or access and shifting by transceiver 13 The session identification that mobility management functional entity is sent.

Optionally, when the processor receives the session identification that terminal is sent by transceiver 13, it is specifically used for: passes through receipts Hair machine 13 receives the session identification that the terminal is sent by Radio Resource Control request message.

Optionally, the processor receives the terminal by transceiver 13 and is sent by Radio Resource Control request message Session identification after, be also used to: the session identification sent to the terminal with true by wireless heterogeneous networks response message Recognize the access net and receives the request message.

Optionally, the session mark that the processor receives access by transceiver 13 and mobile management function to ps domain entity is sent When knowledge, it is specifically used for: the access and mobile management function to ps domain entity is received by transceiver 13 and disappeared by N2 message or paging Cease the session identification sent.

Optionally, the processor receives the access by transceiver 13 and mobile management function to ps domain entity is disappeared by N2 After ceasing the session identification sent, it is also used to: the session identification is sent to by the terminal by radio resource control information； Alternatively, after the processor receives the session identification that access and mobile management function to ps domain entity are sent by paging message, and also For: the session identification is sent to by the terminal by paging message.

Optionally, it before the processor determines session identification, is also used to: determining the session for needing to hang up；By the need Mark corresponding to the session to be hung up is sent to access and mobile management function to ps domain entity, so that the access and mobility pipe Reason functional entity hangs up session corresponding to the mark.

Optionally, the processor needs mark corresponding to the session hung up to be sent to access and mobility pipe for described It after managing functional entity, is also used to: needing mark corresponding to the session hung up to be sent to terminal for described by transceiver 13, So that the terminal hangs up session corresponding to the mark.

Transceiver 13 in the embodiment of the present application, for sending and receiving data under the control of the processor 12.

Wherein, in Figure 10, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 12 The various circuits for the memory that the one or more processors and memory 11 of representative represent link together.Bus architecture may be used also To link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, these are all It is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 13 can be with It is multiple element, that is, includes transmitter and transceiver, the unit for communicating over a transmission medium with various other devices is provided. Processor 12 is responsible for management bus architecture and common processing, and memory 11 can store processor 12 to be made when executing operation Data.

Based on same invention thought, referring to Figure 11, in terminal side, the embodiment of the present application provides second of session and restores dress It sets, which includes memory 21 and processor 22,

Wherein, processor 22, for reading program and execution in memory 21:

Optionally, processor 22 determines session identification, is specifically used for: determining session identification according to application-level request, or logical Cross the session identification that transceiver 23 receives access net or access and mobile management function to ps domain entity is sent.

Optionally, when processor 22 receives the session identification that access net is sent, it is specifically used for: is connect by transceiver 23 Network the session identification sent by paging message or radio resource control information.

Optionally, when processor 22 receives the session identification that access is sent with mobile management function to ps domain entity, it is specifically used for: The session identification that access and mobile management function to ps domain entity are sent by non-access layer information is received by transceiver 23.

Optionally, it after processor 22 determines session identification, is also used to: will be described by Radio Resource Control request message Session identification is sent to access net.

Optionally, the session identification is sent to access net by Radio Resource Control request message by processor 22 Afterwards, it is also used to: the session mark that the transmission of wireless heterogeneous networks response message is crossed by the access Netcom is received by transceiver 23 Know.

Optionally, it before processor 22 determines session identification, is also used to: the need that access net is sent is received by transceiver 23 Mark corresponding to the session to be hung up；Need mark corresponding to the session hung up by the meeting for needing to hang up according to described Words are hung up.

Transceiver 23 in the embodiment of the present application, for sending and receiving data under control of processor 22.

Wherein, in Figure 11, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 22 The various circuits for the memory that the one or more processors and memory 21 of representative represent link together.Bus architecture may be used also To link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, these are all It is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 23 can be with It is multiple element, that is, includes transmitter and receiver, the unit for communicating over a transmission medium with various other devices is provided. For different user equipmenies, user interface 24, which can also be, external the interface for needing equipment, the equipment packet of connection is inscribed Include but be not limited to keypad, display, loudspeaker, microphone, control stick etc..

Processor 22, which is responsible for management bus architecture and common processing, memory 21, can store processor 22 and is executing behaviour Used data when making.

Based on same invention thought, referring to Figure 12, the embodiment of the present application provides the third session recovery device, is applied to Access and mobile management function to ps domain entity side, the device include memory 31 and processor 32,

Wherein, processor 32, for reading program and execution in memory 31:

Optionally, processor 32 determines session identification, is specifically used for: receiving access net or session management by transceiver 33 The session identification that functional entity is sent.

Optionally, when the processor 32 receives the session identification that access net is sent, it is specifically used for: is connect by transceiver 33 Receive the session identification that the transmission of N2 message is crossed by access Netcom.

Optionally, when the processor 32 crosses the session identification of N2 message transmission by the reception access of transceiver 33 Netcom, Be specifically used for: the access and mobile management function to ps domain entity receive the session management messages that the transmission of N2 message is crossed by access Netcom, It include the session identification in the session management messages.

Optionally, the processor 32 by transceiver 33 receive access Netcom cross N2 message transmission session identification it Afterwards, it is also used to: the session identification is sent to by conversation management functional entity by N11 message, so that the session management function Energy entity determines the session for needing to restore according to the session identification.

Optionally, when the processor 32 receives the session identification that conversation management functional entity is sent by transceiver 33, It is specifically used for: the session identification that conversation management functional entity is sent by N11 message is received by transceiver 33.

Optionally, it after the processor 32 determines session identification, is also used to: will by paging message or N2 request message The session identification is sent to access net, so that session corresponding to the access network recovery and the session identification；Alternatively, logical It crosses non-access layer information and the session identification is sent to terminal, so that corresponding to terminal recovery and the session identification Session.

Optionally, it before the processor 32 determines session identification, is also used to: access net being received by transceiver 23 and is sent The session hung up of needs corresponding to mark, and the mark according to corresponding to the session for needing to hang up hangs up corresponding meeting Words.

Any processor, can be centre and buries device (CPU), specific integrated circuit in the embodiment of the present application (Application Specific Integrated Circuit, ASIC), field programmable gate array (Field- Programmable Gate Array, FPGA) or Complex Programmable Logic Devices (Complex Programmable Logic Device, CPLD).

Based on same invention thought, referring to Figure 13, in access net side, the embodiment of the present application provides the 4th kind of session and restores Device, the device include:

First determining module 41, for determining session identification, the session identification is for identifying the session to be restored；

First recovery module 42, for according to the session identification restore the session identification corresponding to session.

Based on same invention thought, referring to Figure 14, in terminal side, the embodiment of the present application also provides the 5th kind of sessions to restore Device, the device include:

Second determining module 51, for determining session identification, the session identification is for identifying the session to be restored；

Second recovery module 52, for according to the session identification restore the session identification corresponding to session.

Based on same invention thought, referring to Figure 15, in the side AMF, the embodiment of the present application also provides the 6th kind of sessions to restore Device, the device include:

Third determining module 61, for determining session identification, the session identification is for identifying the session to be restored；

Third recovery module 62, for according to the session identification restore the session identification corresponding to session.

It should be noted that the first the session recovery device provided in the embodiment of the present application or the 4th kind of session restore dress It sets, can be any access net side device or equipment, can be the devices such as RAN；Second of the meeting provided in the embodiment of the present application Recovery device or the 5th kind of session recovery device are talked about, can be any user equipment side device or equipment, can be the devices such as UE； The third session recovery device provided in the embodiment of the present application or the 6th kind of session recovery device, can be any network side Any device can be the devices such as AMF.Specifically with no restrictions.

Device described in the embodiment of the present application, can also be including input-output apparatus etc., and input equipment may include key Disk, mouse, touch screen etc., output equipment may include display equipment, such as liquid crystal display (Liquid Crystal Display, LCD), cathode-ray tube (Cathode Ray Tube, CRT) etc..

Memory may include read-only memory (ROM) and random access memory (RAM), and provide storage to processor The program instruction and data stored in device.In the embodiment of the present application, memory can be used for storing the embodiment of the present application offer Any the method program.

Processor is by the program instruction for calling memory to store, and processor is for executing sheet according to the program instruction of acquisition Apply for any the method that embodiment provides.

The embodiment of the present application provides a kind of computer storage medium, is stored with program code, when said program code exists When running in calculating equipment, said program code is above-mentioned provided by the embodiments of the present application any for executing the calculating equipment The program of method.

The computer storage medium can be any usable medium or data storage device that computer can access, packet Include but be not limited to magnetic storage (such as floppy disk, hard disk, tape, magneto-optic disk (MO) etc.), optical memory (such as CD, DVD, BD, HVD etc.) and semiconductor memory (such as it is ROM, EPROM, EEPROM, nonvolatile memory (NAND FLASH), solid State hard disk (SSD)) etc..

In conclusion session restoration methods provided by the embodiments of the present application, access net (or AMF or UE) determination first is used for Session identification corresponding to the session to be restored is identified, net (or AMF or UE) is then accessed according to the session identification and restores corresponding Session, to realize the purpose of selective recovery session.Therefore, net (or AMF or UE) is accessed in the application is needed by determining Session identification corresponding to the session to be restored, the further corresponding session of selective recovery, to solve the 5G network architecture In, how selective recovery user face connect the problem of.

It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more, The shape for the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.) Formula.

The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.

These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.

Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies Within, then the application is also intended to include these modifications and variations.

Claims

1. a kind of session restoration methods, which is characterized in that this method comprises:

2. the method as described in claim 1, which is characterized in that the access, which is netted, determines session identification, comprising:

The session identification that the access net receives terminal or access and mobile management function to ps domain entity is sent.

3. method according to claim 2, which is characterized in that the access net receives the session identification that the terminal is sent, Include:

The access net receives the session identification that the terminal is sent by Radio Resource Control request message.

4. method as claimed in claim 3, which is characterized in that

After the access net receives the session identification that the terminal is sent by Radio Resource Control request message, the access Netcom crosses wireless heterogeneous networks response message and sends the session identification to the terminal to confirm described in the access net receiving Request message.

5. method according to claim 2, which is characterized in that the access net receives the access and mobile management function to ps domain The session identification that entity is sent, comprising:

The access net receives the session that the access and mobile management function to ps domain entity are sent by N2 message or paging message Mark.

6. method as claimed in claim 5, which is characterized in that

After the session identification that the access net receives the access and mobile management function to ps domain entity is sent by N2 message, go back It include: that the access Netcom crosses radio resource control information the session identification is sent to the terminal；Alternatively,

After the access net receives the session identification that access and mobile management function to ps domain entity are sent by paging message, also wrap Include: the access Netcom crosses paging message and the session identification is sent to the terminal.

7. the method as described in claim 1, which is characterized in that the access is netted before determining session identification, and this method is also wrapped It includes:

The access net determines the session for needing to hang up；

The access net needs mark corresponding to the session hung up to be sent to access and mobile management function to ps domain entity for described, So that the access and mobile management function to ps domain entity hang up session corresponding to the mark.

8. the method for claim 7, which is characterized in that this method further include:

The access net needs mark corresponding to the session hung up to be sent to terminal for described, so that the terminal is by the mark Know corresponding session to be hung up.

9. a kind of session restoration methods, which is characterized in that this method comprises:

10. method as claimed in claim 9, which is characterized in that the terminal determines session identification, comprising:

The terminal determines session identification according to application-level request, or receives access net or access and mobile management function to ps domain entity The session identification of transmission.

11. method as claimed in claim 10, which is characterized in that the terminal receives the session identification that access net is sent, packet It includes:

The terminal receives access Netcom and crosses the session identification that paging message or radio resource control information are sent.

12. method as claimed in claim 10, which is characterized in that the terminal receives access and mobile management function to ps domain entity The session identification of transmission, comprising:

The session identification that the terminal receives access and mobile management function to ps domain entity is sent by non-access layer information.

13. method as claimed in claim 9, which is characterized in that after the terminal determines session identification, this method is also wrapped It includes:

The session identification is sent to access net by Radio Resource Control request message by the terminal.

14. method as claimed in claim 13, which is characterized in that the terminal passes through Radio Resource Control request message for institute Session identification is stated to be sent to after access net, further includes:

The terminal receives the session identification that the transmission of wireless heterogeneous networks response message is crossed by the access Netcom.

15. method as claimed in claim 9, which is characterized in that before the terminal determines session identification, this method is also wrapped It includes:

Terminal receives mark corresponding to the session that the needs that access net is sent are hung up；

The terminal needs mark corresponding to the session hung up to need the session hung up to hang up for described according to described.

16. a kind of session restoration methods, which is characterized in that this method comprises:

Access and mobile management function to ps domain entity determine session identification, and the session identification is for identifying the session to be restored；

It is described access and mobile management function to ps domain entity according to the session identification restore the session identification corresponding to session.

17. the method described in claim 16, which is characterized in that access and mobile management function to ps domain entity determine session mark Know, comprising:

The access and mobile management function to ps domain entity receive the session identification that access net or conversation management functional entity are sent.

18. method as claimed in claim 17, which is characterized in that the access and mobile management function to ps domain entity receive access Net the session identification sent, comprising:

The access and mobile management function to ps domain entity receive the session identification that the transmission of N2 message is crossed by access Netcom.

19. method as claimed in claim 18, which is characterized in that the access and mobile management function to ps domain entity receive access The session identification of N2 message transmission is crossed by Netcom, comprising:

The access and mobile management function to ps domain entity receive the session management messages that the transmission of N2 message is crossed by access Netcom, the meeting It include the session identification in words management message.

20. method as claimed in claim 19, which is characterized in that this method further include:

The session identification is sent to conversation management functional reality by N11 message by the access and mobile management function to ps domain entity Body, so that the conversation management functional entity determines the session for needing to restore according to the session identification.

21. method as claimed in claim 17, which is characterized in that the access and mobile management function to ps domain entity receive session The session identification that management function entity is sent, comprising:

The access and mobile management function to ps domain entity receive the session mark that conversation management functional entity is sent by N11 message Know.

22. method as claimed in claim 17, which is characterized in that the access and mobile management function to ps domain determine session identification Later, further includes:

The session identification is sent to access by paging message or N2 message with mobile management function to ps domain entity by the access Net, so that session corresponding to the access network recovery and the session identification；Alternatively,

The session identification is sent to terminal by non-access layer information with mobile management function to ps domain entity by the access, so that The terminal is restored and session corresponding to the session identification.

23. the method described in claim 16, which is characterized in that determine session mark in access and mobile management function to ps domain entity Before knowledge, this method further include:

The access and mobile management function to ps domain entity receive mark corresponding to the session that the needs that access net is sent are hung up, and Corresponding session is hung up according to mark corresponding to the session for needing to hang up.

24. a kind of session recovery device, it is applied to access net side, which is characterized in that the device includes memory and processor,

Wherein, processor, for reading the program in memory and execution:

25. device as claimed in claim 24, which is characterized in that the processor determines session identification, is specifically used for:

Receive the session identification of terminal or access and the transmission of mobile management function to ps domain entity.

26. device as claimed in claim 25, which is characterized in that when the processor receives the session identification that terminal is sent, It is specifically used for:

Receive the session identification that the terminal is sent by Radio Resource Control request message.

27. device as claimed in claim 26, which is characterized in that the processor receives the terminal and passes through radio resource control After the session identification that request message processed is sent, it is also used to:

The session identification, which is sent, by wireless heterogeneous networks response message confirms that the access net receives institute to the terminal State request message.

28. device as claimed in claim 25, which is characterized in that the processor receives access and mobile management function to ps domain is real When the session identification that body is sent, it is specifically used for:

Receive the session identification that the access and mobile management function to ps domain entity are sent by N2 message or paging message.

29. device as claimed in claim 28, which is characterized in that the processor receives the access and mobile management function It can be also used to after the session identification that is sent by N2 message of entity:

The session identification is sent to the terminal by radio resource control information；Alternatively,

After the processor receives the session identification that access and mobile management function to ps domain entity are sent by paging message, also use In:

The session identification is sent to the terminal by paging message.

30. device as claimed in claim 24, which is characterized in that before the processor determines session identification, be also used to:

Determine the session for needing to hang up；

Mark corresponding to the session hung up is needed to be sent to access and mobile management function to ps domain entity by described, so that described connect Enter and session corresponding to the mark is hung up with mobile management function to ps domain entity.

31. device as claimed in claim 30, which is characterized in that the processor will be corresponding to the session that need to hang up Mark be sent to after access and mobile management function to ps domain entity, be also used to:

Mark corresponding to the session hung up is needed to be sent to terminal by described, so that the terminal will be corresponding to the mark Session is hung up.

32. a kind of session recovery device, it is applied to terminal side, which is characterized in that the device includes memory and processor,

Wherein, processor, for reading the program in memory and execution:

33. device as claimed in claim 32, which is characterized in that when the processor determines session identification, be specifically used for:

Session identification is determined according to application-level request, or receives the meeting of access net or access and the transmission of mobile management function to ps domain entity Words mark.

34. device as claimed in claim 33, which is characterized in that the processor receives the session identification that access net is sent When, it is specifically used for:

It receives access Netcom and crosses the session identification that paging message or radio resource control information are sent.

35. device as claimed in claim 33, which is characterized in that the processor receives access and mobile management function to ps domain is real When the session identification that body is sent, it is specifically used for:

Receive the session identification that access and mobile management function to ps domain entity are sent by non-access layer information.

36. device as claimed in claim 32, which is characterized in that after the processor determines session identification, be also used to:

The session identification is sent to access net by Radio Resource Control request message.

37. device as claimed in claim 36, which is characterized in that the processor will by Radio Resource Control request message The session identification is sent to after access net, is also used to:

Receive the session identification that the transmission of wireless heterogeneous networks response message is crossed by the access Netcom.

38. device as claimed in claim 32, which is characterized in that before the processor determines session identification, be also used to:

Receive mark corresponding to the session that the needs that access net is sent are hung up；

Mark corresponding to the session hung up is needed to need the session hung up to hang up for described according to described.

39. a kind of session recovery device is applied to access and mobile management function to ps domain entity side, which is characterized in that the device packet Memory and processor are included,

Wherein, processor, for reading the program in memory and execution:

40. device as claimed in claim 39, which is characterized in that the processor determines session identification, is specifically used for:

Receive the session identification that access net or conversation management functional entity are sent.

41. device as claimed in claim 40, which is characterized in that the processor receives the session identification that access net is sent When, it is specifically used for:

Receive the session identification that the transmission of N2 message is crossed by access Netcom.

42. device as claimed in claim 41, which is characterized in that the processor receives access Netcom and crosses the transmission of N2 message When session identification, it is specifically used for:

43. device as claimed in claim 42, which is characterized in that the processor receives access Netcom and crosses the transmission of N2 message After session identification, it is also used to:

The session identification is sent to conversation management functional entity by N11 message, so that the conversation management functional entity The session for needing to restore is determined according to the session identification.

44. device as claimed in claim 40, which is characterized in that the processor receives what conversation management functional entity was sent When session identification, it is specifically used for:

Receive the session identification that conversation management functional entity is sent by N11 message.

45. device as claimed in claim 40, which is characterized in that after the processor determines session identification, be also used to:

The session identification is sent to access net by paging message or N2 message, so that the access network recovery and the meeting The corresponding session of words mark；Alternatively,

The session identification is sent to terminal by non-access layer information, so that the terminal is restored and the session identification institute Corresponding session.

46. device as claimed in claim 39, which is characterized in that before the processor determines session identification, be also used to:

Mark corresponding to the session that the needs that access net is sent are hung up is received, and according to corresponding to the session for needing to hang up Mark hang up corresponding session.

47. a kind of session recovery device, which is characterized in that the device includes:

48. a kind of session recovery device, which is characterized in that the device includes:

Second recovery module, for according to the session identification restore the session identification corresponding to the data of session wirelessly hold It carries.

49. a kind of session recovery device is applied to access and mobile management function to ps domain entity side, which is characterized in that the device packet It includes:

50. a kind of computer storage medium, which is characterized in that program code is stored with, when said program code is calculating equipment When upper operation, said program code is used for the step of making the calculating equipment perform claim require 1~23 any the method.