CN108600994A - a kind of data transmission method and device - Google Patents
a kind of data transmission method and device Download PDFInfo
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- CN108600994A CN108600994A CN201710130869.1A CN201710130869A CN108600994A CN 108600994 A CN108600994 A CN 108600994A CN 201710130869 A CN201710130869 A CN 201710130869A CN 108600994 A CN108600994 A CN 108600994A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
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Abstract
The present invention provides a kind of data transmission method and devices, wherein data transmission method includes：Subscribing relationship is established between the current mobility management entity MME for terminal service；The subscribing notification that the MME is triggered according to the subscribing relationship is received, the subscribing notification includes the status information of the terminal；When the status information indicates that the terminal from that can not receive data becomes that data can be received, pre-cache data are sent to the terminal.This programme receives the subscribing notification that MME is triggered according to subscribing relationship by establishing subscribing relationship between the current mobility management entity MME for terminal service, and subscribing notification includes the status information of the terminal；And then when status information instruction terminal from that can not receive data becomes that data can be received, pre-cache data are sent to the terminal；It enables to terminal to receive data in time, and reduces and the meaningless interaction of application layer, raising efficiency.
Description
Technical field
The present invention relates to field of communication technology, a kind of data transmission method and device are particularly related to.
Background technology
In the prior art if carrying out the transmission of downlink data using traditional packet domain PS data, if transmission failure is (such as
Terminal enters dormant state, can not receive paging and can not receive data), which can't store in carrier network,
It directly abandons, subsequent data transmission only has the following two kinds method：
First method, certain interval of time carry out downlink data transmission again；
Second method, when terminal can carry out downlink data reception, terminal interacts informing network by application layer can
To carry out downlink data transmission.
But both methods is respectively present following disadvantage：
The shortcomings that first method：If certain interval of time transmits, terminal may also be in and not can receive data at this time
State can fail again；
The shortcomings that second method：Data are can receive using application layer informing network when terminal is reached the standard grade, are needed
Data interaction can cause terminal power consumption to increase and imitate every time with network interaction sometimes there is no downlink datas to issue
Rate is relatively low.
Invention content
The purpose of the present invention is to provide a kind of data transmission method and device, solves terminal in the prior art and receive data
Not in time and the problem of inefficiency.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of data transmission method, is applied to data field and passes
Defeated platform, including：
Subscribing relationship is established between the current mobility management entity MME for terminal service；
The subscribing notification that the MME is triggered according to the subscribing relationship is received, the subscribing notification includes the terminal
Status information；
When the status information indicates that the terminal from that can not receive data becomes that data can be received, by pre-cache
Data are sent to the terminal.
Optionally, described the step of establishing subscribing relationship between the current mobility management entity MME for terminal service
Including：
When currently paging the terminal reception data failure for the MME of terminal service, establishes and subscribe between the MME
Relationship.
Optionally, when currently paging the terminal reception data failure for the MME of terminal service, the transmission side data
Method further includes：
The data for waiting being handed down to the terminal are cached, the pre-cache data are formed.
Optionally, described the step of establishing subscribing relationship between the current mobility management entity MME for terminal service
Including：
Before to the terminal transmission data, established between the current mobility management entity MME for terminal service
Subscribing relationship.
Optionally, after the subscribing notification that the reception MME is triggered according to the subscribing relationship, the data pass
Transmission method further includes：
If in the presence of the data for waiting being handed down to the terminal, and the status information indicates that the terminal can not currently receive
Data then wait that the data for being handed down to the terminal cache by described, form the pre-cache data；And/or
If in the presence of the data for waiting being handed down to the terminal, and the status information indicates that the terminal is currently able to receive number
According to then waiting that the data for being handed down to the terminal are sent to the terminal by described.
Optionally, when forming the pre-cache data, the data transmission method further includes：
Third-party application server A S data is notified to send failure, third party AS is to be sent to the data field transmission platform
The server of preset data, the preset data are the data for waiting being handed down to the terminal.
Optionally, after pre-cache data are sent to the terminal, the data transmission method further includes：
The third party AS data are notified to send successfully.
Optionally, it is described establish subscribing relationship between the current mobility management entity MME for terminal service before,
The data transmission method further includes：
By being interacted with home signature user server HSS, the mobility management entity MME currently for terminal service is obtained
Identity information；
It is described to include the step of currently establishing subscribing relationship between the mobility management entity MME of terminal service：
Subscribing relationship is established according between the identity information, with the current mobility management entity MME for terminal service.
Optionally, it is described pre-cache data are sent to the terminal after, the data transmission method further includes：
The subscription cancellation information for cancelling the subscribing relationship is sent to the MME；
The MME is received according to the cancellation confirmation message for subscribing to and cancelling information and feeding back；
According to the cancellation confirmation message, cancel the subscribing relationship between the MME.
Optionally, described the step of establishing subscribing relationship between the current mobility management entity MME for terminal service
Including：
It is sent to the MME and subscribes to solicited message；
Receive subscription confirmation messages of the MME according to the subscription solicited message feedback；
It is subscribed to according to being established between the subscription confirmation message, with the current mobility management entity MME for terminal service
Relationship.
The present invention also provides a kind of data transmission methods, are applied to mobility management entity MME, including：
Subscribing relationship is established between data field transmission platform；
Obtain the status information of the terminal of the MME current services；
According to the subscribing relationship status information is fed back to the data field transmission platform.
Optionally, it is described according to the subscribing relationship to the data field transmission platform feed back the status information it
Afterwards, the data transmission method further includes：
Information is cancelled in the subscription for receiving the cancellation subscribing relationship that the data field transmission platform is sent；
According to the subscription cancel information to the data field transmission platform feed back cancel confirmation message, and cancel with it is described
Subscribing relationship between data field transmission platform.
Optionally, the step of establishing subscribing relationship between the transmission platform with data field include：
Receive the subscription solicited message that the data field transmission platform is sent；
It is fed back to the data field transmission platform according to the subscription solicited message and subscribes to confirmation message, and passed with data field
Subscribing relationship is established between defeated platform.
Optionally, the described the step of status information is fed back to the data field transmission platform according to the subscribing relationship
Including：
Subscribing notification is triggered according to the subscribing relationship, the subscribing notification includes the status information of the terminal；
The subscribing notification is sent to the data field transmission platform.
Optionally, before establishing subscribing relationship between the transmission platform with data field, the data transmission method is also
Including：
When receiving data transmission notice, pages the terminal and receive data；
When not receiving response message of the terminal according to the paging feedback, the data field transmission platform is notified to seek
It exhales unsuccessfully.
The present invention also provides a kind of data transmission devices, are applied to data field transmission platform, including：
First establishes module, for currently establishing subscribing relationship between the mobility management entity MME of terminal service；
First receiving module, the subscribing notification triggered according to the subscribing relationship for receiving the MME, described subscribe to are led to
Know include the terminal status information；
First sending module, for indicating that the terminal becomes to connect from that can not receive data in the status information
When receiving data, pre-cache data are sent to the terminal.
Optionally, it described first establishes module and includes：
First setting up submodule, when for paging the terminal reception data failure in the MME for being currently terminal service, with
Subscribing relationship is established between the MME.
Optionally, the data transmission device further includes：
First cache module, for when the MME pages the terminal and receives data failure, caching described in waiting being handed down to
The data of terminal form the pre-cache data.
Optionally, it described first establishes module and includes：
Second setting up submodule is used for before to the terminal transmission data, with the current mobility for terminal service
Subscribing relationship is established between management entity MME.
Optionally, the data transmission device further includes：
First processing module is used for after the subscribing notification that the reception MME is triggered according to the subscribing relationship,
If in the presence of the data for waiting being handed down to the terminal, and the status information indicates that the terminal can not currently receive data, then
It waits that the data for being handed down to the terminal cache by described, forms the pre-cache data；And/or
If in the presence of the data for waiting being handed down to the terminal, and the status information indicates that the terminal is currently able to receive number
According to then waiting that the data for being handed down to the terminal are sent to the terminal by described.
Optionally, the data transmission device further includes：
First notification module, for when forming the pre-cache data, notice third-party application server A S data to be sent out
It is the server that preset data is sent to the data field transmission platform to send failure, third party AS, and the preset data is to wait for down
Issue the data of the terminal.
Optionally, the data transmission device further includes：
Second notification module, for after pre-cache data are sent to the terminal, notifying the third party AS numbers
According to sending successfully.
Optionally, the data transmission device further includes：
First acquisition module, for being ordered in described established between the current mobility management entity MME for terminal service
Before readding relationship, by being interacted with home signature user server HSS, the mobility management entity currently for terminal service is obtained
The identity information of MME；
Described first, which establishes module, includes：
Third setting up submodule is used for according to the identity information, with the current mobility management entity for terminal service
Subscribing relationship is established between MME.
Optionally, the data transmission device further includes：
Second sending module, for it is described pre-cache data are sent to the terminal after, to the MME transmission take
Information is cancelled in the subscription for the subscribing relationship that disappears；
Second receiving module subscribes to the cancellation confirmation message cancelled information and fed back for receiving the MME according to described；
First cancels module, for according to the cancellation confirmation message, cancelling the subscribing relationship between the MME.
Optionally, it described first establishes module and includes：
First sending submodule subscribes to solicited message for being sent to the MME；
First receiving submodule, the subscription confirmation message for receiving the MME according to the subscription solicited message feedback；
4th setting up submodule is used for according to the subscription confirmation message, with the current mobile management for terminal service
Subscribing relationship is established between entity MME.
The present invention also provides a kind of data transmission devices, are applied to mobility management entity MME, including：
Second establishes module, for establishing subscribing relationship between data field transmission platform；
Second acquisition module, the status information of the terminal for obtaining the MME current services；
First feedback module is believed for feeding back the state to the data field transmission platform according to the subscribing relationship
Breath.
Optionally, the data transmission device further includes：
Third receiving module, for feeding back the shape to the data field transmission platform according to the subscribing relationship described
After state information, information is cancelled in the subscription for receiving the cancellation subscribing relationship that the data field transmission platform is sent；
Second processing module feeds back cancellation confirmation for cancelling information according to the subscription to the data field transmission platform
Information, and cancel the subscribing relationship between the data field transmission platform.
Optionally, it described second establishes module and includes：
Second receiving submodule, the subscription solicited message sent for receiving the data field transmission platform；
First processing submodule, it is true for being subscribed to data field transmission platform feedback according to the subscription solicited message
Recognize information, and subscribing relationship is established between data field transmission platform.
Optionally, first feedback module includes：
First triggering submodule, for triggering subscribing notification according to the subscribing relationship, the subscribing notification includes institute
State the status information of terminal；
Second sending submodule, for the subscribing notification to be sent to the data field transmission platform.
Optionally, the data transmission device further includes：
First paging module, for before establishing subscribing relationship between the transmission platform with data field, receiving number
When according to sending notice, paging the terminal and receiving data；
Third notice module, for when not receiving response message of the terminal according to the paging feedback, notifying institute
State data field transmission platform paging failure.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
In said program, the data transmission method by with the current mobility management entity MME for terminal service it
Between establish subscribing relationship, and receive the subscribing notification that MME is triggered according to subscribing relationship, subscribing notification includes the shape of the terminal
State information；And then when status information instruction terminal from that can not receive data becomes that data can be received, by pre-cache data
It is sent to the terminal；It enables to terminal to receive data in time, and reduces and the meaningless interaction of application layer, raising efficiency.
Description of the drawings
Fig. 1 is the data transmission method flow diagram of the embodiment of the present invention one；
Fig. 2 is the data transmission method flow diagram of the embodiment of the present invention two；
Fig. 3 is that the data transmission method of the embodiment of the present invention realizes system architecture schematic diagram；
Fig. 4 is the data transmission method concrete application flow diagram one of the embodiment of the present invention；
Fig. 5 is the data transmission method concrete application flow diagram two of the embodiment of the present invention；
Fig. 6 is the data transmission device structural schematic diagram of the embodiment of the present invention three；
Fig. 7 is the data transmission device structural schematic diagram of the embodiment of the present invention four.
Specific implementation mode
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention in view of the prior art in terminal receive data not in time and the problem of inefficiency, provide a variety of solutions
Certainly scheme, it is specific as follows：
Embodiment one
As shown in Figure 1, the embodiment of the present invention one provides a kind of data transmission method, data field transmission platform is can be applied to,
The data transmission method includes：
Step 11：Subscribing relationship is established between the current mobility management entity MME for terminal service；
Step 12：The subscribing notification that the MME is triggered according to the subscribing relationship is received, the subscribing notification includes institute
State the status information of terminal；
Step 13：When the status information indicates that the terminal from that can not receive data becomes that data can be received,
Pre-cache data are sent to the terminal.
The data transmission method that the embodiment of the present invention one provides by with it is current be terminal service mobile management
Subscribing relationship is established between entity MME, and receives the subscribing notification that MME is triggered according to subscribing relationship, and subscribing notification includes institute
State the status information of terminal；It, will and then when status information instruction terminal from that can not receive data becomes that data can be received
Pre-cache data are sent to the terminal；Terminal is enabled to receive data, and reduction and the meaningless interaction of application layer in time,
Improve efficiency.
Step 13 can be specially：The terminal is sent to by packet data gateway P-GW by data cached.
In the present embodiment, two kinds of examples can be provided herein there are many situation by establishing the opportunity of subscribing relationship：
The first example, it is described to establish subscribing relationship between the current mobility management entity MME for terminal service
Step includes：When currently paging the terminal reception data failure for the MME of terminal service, establishes and order between the MME
Read relationship.
Further, when currently paging the terminal reception data failure for the MME of terminal service, the data transmission
Method further includes：The data for waiting being handed down to the terminal are cached, the pre-cache data are formed.
Second of example, it is described to establish subscribing relationship between the current mobility management entity MME for terminal service
Step includes：Before to the terminal transmission data, established between the current mobility management entity MME for terminal service
Subscribing relationship.
Further, after the subscribing notification that the reception MME is triggered according to the subscribing relationship, the data
Transmission method further includes：If in the presence of the data for waiting being handed down to the terminal, and the status information indicates the terminal currently not
Data can be received, then waits that the data for being handed down to the terminal cache by described, forms the pre-cache data；And/or
If in the presence of the data for waiting being handed down to the terminal, and the status information indicates that the terminal is currently able to receive data, then will
It is described to wait that the data for being handed down to the terminal are sent to the terminal.
Further, when forming the pre-cache data, the data transmission method further includes：Third party is notified to answer
It is sent and is failed with server A S data, third party AS is the server for sending preset data to the data field transmission platform, institute
It is the data for waiting being handed down to the terminal to state preset data；
After pre-cache data are sent to the terminal, the data transmission method further includes：Notify the third
Square AS data are sent successfully.
Can inquire the MME of the status information of the terminal in order to obtain, in the present embodiment, it is described be currently terminal
It is established before subscribing relationship between the mobility management entity MME of service, the data transmission method further includes：By with ownership
Assigned user server HSS interactions, obtain the identity information of the currently mobility management entity MME for terminal service；
It is corresponding, described the step of establishing subscribing relationship between the current mobility management entity MME for terminal service
Including：Subscribing relationship is established according between the identity information, with the current mobility management entity MME for terminal service.
In order to economize on resources, in the present embodiment, it is described pre-cache data are sent to the terminal after, the data
Transmission method further includes：The subscription cancellation information for cancelling the subscribing relationship is sent to the MME；The MME is received according to institute
State the cancellation confirmation message subscribed to and cancel information feedback；According to the cancellation confirmation message, cancel the subscription between the MME
Relationship.
Specifically, described the step of establishing subscribing relationship between the current mobility management entity MME for terminal service
Including：It is sent to the MME and subscribes to solicited message；The MME is received according to the subscription of the subscription solicited message feedback to be confirmed
Information；It is closed according to establishing to subscribe between the subscription confirmation message, with the current mobility management entity MME for terminal service
System.
From the foregoing, it will be observed that the data transmission method provided in an embodiment of the present invention can be solved preferably in the prior art eventually
The problem of end receives data not in time and inefficiency.
Embodiment two
As shown in Fig. 2, second embodiment of the present invention provides a kind of data transmission method, mobility management entity can be applied to
MME, the data transmission method include：
Step 21：Subscribing relationship is established between data field transmission platform；
Step 22：Obtain the status information of the terminal of the MME current services；
Step 23：According to the subscribing relationship status information is fed back to the data field transmission platform.
The data transmission method provided by Embodiment 2 of the present invention is subscribed to by being established between data field transmission platform
Relationship, and according to subscribing relationship to data field transmission platform feed back MME current services terminal status information so that data field
Transmission platform can be when status information instruction terminal from that can not receive data becomes that data can be received, in time by pre-cache
Data are sent to terminal；So that terminal receives data in time, and reduce and the meaningless interaction of application layer, raising efficiency.
In order to economize on resources, in the present embodiment, described anti-to the data field transmission platform according to the subscribing relationship
After presenting the status information, the data transmission method further includes：Receive the cancellation institute that the data field transmission platform is sent
Information is cancelled in the subscription for stating subscribing relationship；Cancel information according to the subscription and feeds back cancellation confirmation to the data field transmission platform
Information, and cancel the subscribing relationship between the data field transmission platform.
Specifically, the step of establishing subscribing relationship between the transmission platform with data field includes：Receive the data field
The subscription solicited message that transmission platform is sent；It is subscribed to really to data field transmission platform feedback according to the subscription solicited message
Recognize information, and subscribing relationship is established between data field transmission platform.
Wherein, described the step of feeding back the status information to the data field transmission platform according to the subscribing relationship, wraps
It includes：Subscribing notification is triggered according to the subscribing relationship, the subscribing notification includes the status information of the terminal；It is ordered described
It reads notice and is sent to the data field transmission platform.
Further, before establishing subscribing relationship between the transmission platform with data field, the data transmission method
Further include：When receiving data transmission notice, pages the terminal and receive data；The terminal is not being received according to the paging
When the response message of feedback, the data field transmission platform paging failure is notified.
From the foregoing, it will be observed that the data transmission method provided in an embodiment of the present invention can be solved preferably in the prior art eventually
The problem of end receives data not in time and inefficiency.
With reference to data field transmission platform and the both sides mobility management entity MME to data provided in an embodiment of the present invention
Transmission method is further described, and data field transmission platform is by taking platform of internet of things as an example.
System architecture as shown in Figure 3 can be used to realize in data transmission method provided in an embodiment of the present invention, system tray
Structure includes mainly three parts：Terminal, mobile network and platform and third-party application server A S.Mobile network therein and platform
Including base station eNode B, home signature user server HSS, mobility management entity MME, gateway S-GW, grouped data
Gateway P-GW and platform of internet of things；Platform of internet of things again include business open platform SCEF, data store and forward unit and other
Part.
Wherein, the function of each section is as follows：
eNode B：Evolved mobile base station Node B (Evolved Node B), major function includes wireless resource management
RRM functions；IP compressions of procotol and user data stream encryption；MME selections when terminal UE is adhered to；The scheduling of paging information
Transmission；The scheduled transmission of broadcast message；And provide short message and block domain data transmission.
MME：The major function of mobility management entity (Mobility Management Entity) is to support network attached
Belong to storage NAS signaling and its safety, the management of tracing area (Tracking Area) list, the selection of P-GW and S-GW, across
The selection of MME is carried out when MME switches, service GPRS (wireless universal grouping industry is being carried out into 2G/3G access system handoff procedures
Business) selection of supporting node SGSN, the authentication of user, Roaming control and bearer management, 3GPP different access networks core
Mobile management and UE between network node is in ECM (EPC connection manager, the packet-based core networks of evolution
Connection manager) accessibility management (control and execution that include calling retransmission) under-IDLE state (connection management Idle state).
S-GW：Gateway (Serving GW) is the net for terminating at evolved land radio access web E-UTRAN interfaces
It closes, the major function of the equipment includes：When switching between progress eNodeB, it can be used as local anchor point, and assist to complete
The reordering function of eNodeB；It is same that there is the work(that reorders as mobility anchor when switching between 3GPP different access systems
Energy；Execute Lawful intercept function；Carry out routing and the forward of data packet；It is grouped label in uplink and downlink transport layer；It is empty
Under not busy state, downlink grouped buffering and the service request function of initiating network-triggered；For the charging etc. between operator.
P-GW：Grouped data PDN Gateway (PDN GW), P-GW are to end in SGi interfaces (P-GW and outside towards PDN
Interface, the interface of connecting platform) gateway, if UE accesses multiple PDN, UE will correspond to one or more P-GW.The master of P-GW
It includes packet filtering function, Lawful intercept function, the IP address distribution function of UE, over/under line link based on user to want function
Middle progress data packet transport layer label carries out the charging of the uplink/downlink grade of service and service level gate, carries out based on business
The control etc. of uplink/downlink rate.In addition, P-GW also provides Uplink/Downlink bearing binding and uplink binding verifying function.
HSS：Home signature user server (Home Subscriber Server, HSS) is a central database packet
The user information of the operator containing all-network.
Platform of internet of things：The storage forwarding capability of data is provided and SOT state of termination ability is provided, as whether terminal is online.
SCEF：Business open platform, major function are available to the information of some terminals of third party AS, such as terminal position
It sets, terminal accessibility and terminal session ability (such as IP address of terminal).
Third party AS：The application server Application Server (AS) of various applications.
It is directed to two kinds of examples on the above-mentioned opportunity for establishing subscribing relationship herein, two kinds of concrete applications are provided：
The first concrete application, as shown in figure 4, including：
Step 41：If the network downlink data in need issued, third party AS is by data distributing to platform of internet of things；
Step 42：Platform of internet of things is by data distributing to P-GW；
Step 43：P-GW issues downlink data notification to S-GW；
Step 44：S-GW sends paging message to MME；
Step 45：MME issuing page messages, page UE；
Step 46：After a period of time, MME does not receive page-response message, S-GW does not receive response to P-GW transmissions
Message；
Step 47：P-GW replys platform of internet of things, informs paging failure；
Step 48：Platform of internet of things carries out downlink data caching by data store and forward unit；
Step 49：Optionally, platform of internet of things notifies the transmission of third party's AS downlink datas unsuccessfully to indicate；
Step 410：Data store and forward unit initiates to subscribe to business open platform SCEF, wherein including the content subscribed to
(the online off-line state of such as terminal) and terminal iidentification, the terminal iidentification can be IP address of terminal or the other marks of terminal,
Such as international mobile subscriber identity IMSI；
Step 411：SCEF to MME initiate subscribe to, wherein comprising subscribe to content (the online off-line state of such as terminal) and
Terminal iidentification, the terminal iidentification can be IP address of terminal or the other marks of terminal, such as IMSI；Specific SCEF finds MME
Current MME can be got by being interacted with HSS (terminal movement can change MME, and current MME is exactly the current MME for terminal service)
Mark so as to finding MME；Guarantee to inquire UE states, this step namely allows MME to know to subscribe to；
Step 412：MME, which replys to subscribe to SCEF, to be confirmed；
Step 413：SCEF, which replys to subscribe to data store and forward unit, to be confirmed；
Step 414：MME carries out SOT state of termination variation with SCEF and interacts, if triggering subscribing notification, it is end such as to subscribe to
Online off-line state is held, when the SOT state of termination changes, MME notifies SCEF present terminal states；
Step 415：SCEF and data store and forward unit carry out SOT state of termination variation and interact, if terminal is from the offline shape of suspend mode
State becomes presence；
Step 416：Data store and forward unit carries out the transmission of downlink data if it find that terminal is online, gives P-GW；
Step 417：Downlink data is sent to UE by P-GW；
Following steps 418- steps 424 are optional：
Step 418：Terminal carries out data reception acknowledgement to P-GW after receiving the data；
Step 419：P-GW transmission datas receive confirmation and give data store and forward unit；
Step 420：Data reception acknowledgement is sent to third party AS by data store and forward unit；
Step 421：Data, which are sent completely rear data store and forward unit and send to subscribe to, to be cancelled to SCEF, is unsubscribed；
Step 422：SCEF, which sends to subscribe to, to be cancelled to MME, is unsubscribed；
Step 423：MME, which replys to subscribe to cancel, to be confirmed to SCEF；
Step 424：SCEF replys subscription cancellation confirmation and gives data store and forward unit, completes to subscribe to cancellation.
Illustrate herein, the interaction of the executive agents such as MME and P-GW of network side and terminal room be required to by base station come into
It goes, the base station in the present embodiment primarily serves the effect of forwarding, so not embodied in above-mentioned flow.
Second of concrete application, as shown in figure 5, including：
Step 51：Optional third party AS initiates to subscribe to platform of internet of things；
Step 52：Data store and forward unit initiates to subscribe to business open platform SCEF, wherein including the content subscribed to
(the online off-line state of such as terminal) and terminal iidentification, the terminal iidentification can be IP address of terminal or the other marks of terminal,
Such as IMSI；
Step 53：SCEF initiates to subscribe to MME, wherein comprising the content (the online off-line state of such as terminal) subscribed to and eventually
End mark, which can be IP address of terminal or the other marks of terminal, such as IMSI, and specific SCEF finds MME can
The mark of current MME is got so as to finding MME by being interacted with HSS；
Step 54：MME, which replys to subscribe to SCEF, to be confirmed；
Step 55：SCEF, which replys to subscribe to data store and forward unit, to be confirmed；
Step 56：Optional data store and forward unit sends subscription confirmation and gives third party AS；
Step 57：If triggering subscribing notification, it is the online off-line state of terminal such as to subscribe to, when the SOT state of termination becomes
Change, MME notifies SCEF present terminal states；
Step 58：SCEF and data store and forward unit carry out SOT state of termination variation and interact, if terminal is from the offline shape of suspend mode
State becomes presence；
Step 59：If there is downlink data is sent, third party AS sends downlink data to platform of internet of things；
Step 510a：If data store and forward unit learns that the state of terminal at this time is not online, to third number formulary
The not online transmission of terminal is sent according to platform unsuccessfully to indicate, and data store and forward unit stores data, subsequent terminal shape
Downlink data transmission flow is the same as the step 416- steps 424 in the first concrete application after state changes；
Step 510b：If terminal is online, data store and forward unit carries out the transmission of downlink data, gives P-GW；
Step 511：P-GW sends downlink data to UE；
Step 512：Optional terminal carries out data reception acknowledgement to P-GW after receiving the data；
Step 513：Optional P-GW transmission datas receive confirmation and give data store and forward unit；
Step 514：Data reception acknowledgement is sent to third party AS by optional data store and forward unit.
Illustrate herein, the interaction of the executive agents such as MME and P-GW of network side and terminal room be required to by base station come into
It goes, the base station in the present embodiment primarily serves the effect of forwarding, so not embodied in above-mentioned flow.
From the foregoing, it will be observed that scheme provided in an embodiment of the present invention can make terminal be received in time when can receive downlink data
Data and the interaction for reducing and applying interlayer meaningless, improve efficiency.
Embodiment three
As shown in fig. 6, the embodiment of the present invention three provides a kind of data transmission device, data field transmission platform is can be applied to,
The data transmission device includes：
First establishes module 61, is closed for establishing to subscribe between the current mobility management entity MME for terminal service
System；
First receiving module 62, the subscribing notification triggered according to the subscribing relationship for receiving the MME, the subscription
Notice includes the status information of the terminal；
First sending module 63, for indicating that the terminal can from that can not receive that data become in the status information
When receiving data, pre-cache data are sent to the terminal.
The data transmission device that the embodiment of the present invention three provides by with it is current be terminal service mobile management
Subscribing relationship is established between entity MME, and receives the subscribing notification that MME is triggered according to subscribing relationship, and subscribing notification includes institute
State the status information of terminal；It, will and then when status information instruction terminal from that can not receive data becomes that data can be received
Pre-cache data are sent to the terminal；Terminal is enabled to receive data, and reduction and the meaningless interaction of application layer in time,
Improve efficiency.
First sending module 63 can be specifically used for：The end is sent to by packet data gateway P-GW by data cached
End.
In the present embodiment, two kinds of examples can be provided herein there are many situation by establishing the opportunity of subscribing relationship：
The first example, described first, which establishes module, includes：First setting up submodule, for being currently terminal service
When MME pages the terminal reception data failure, subscribing relationship is established between the MME.
Further, the data transmission device further includes：First cache module, for paging the end in the MME
When end receives data failure, the data for waiting being handed down to the terminal are cached, the pre-cache data are formed.
Second of example, described first, which establishes module, includes：Second setting up submodule, for sending number to the terminal
According to before, subscribing relationship is established between the current mobility management entity MME for terminal service.
Further, the data transmission device further includes：First processing module, for receiving the MME roots described
After subscribing notification according to subscribing relationship triggering, if in the presence of the data for waiting being handed down to the terminal, and the status information
It indicates that the terminal can not currently receive data, then waits that the data for being handed down to the terminal cache by described, form institute
State pre-cache data；If and/or in the presence of the data for waiting being handed down to the terminal, and the status information indicates that the terminal is current
Data can be received, then wait that the data for being handed down to the terminal are sent to the terminal by described.
Further, the data transmission device further includes：First notification module, for forming the pre-cache number
According to when, notice third-party application server A S data sends failure, third party AS be sent to the data field transmission platform it is pre-
If the server of data, the preset data is the data for waiting being handed down to the terminal；
The data transmission device further includes：Second notification module, for pre-cache data to be sent to the terminal
Later, the third party AS data is notified to send successfully.
The MME of the status information of the terminal can be inquired in order to obtain, in the present embodiment, the data transmission device is also
Including：First acquisition module is closed for being subscribed in the foundation between the current mobility management entity MME for terminal service
Before system, by being interacted with home signature user server HSS, the current mobility management entity for terminal service is obtained
The identity information of MME；
Corresponding, described first, which establishes module, includes：Third setting up submodule and is worked as according to the identity information
Subscribing relationship is established between the preceding mobility management entity MME for terminal service.
In order to economize on resources, in the present embodiment, the data transmission device further includes：Second sending module, in institute
It states after pre-cache data are sent to the terminal, the subscription cancellation information for cancelling the subscribing relationship is sent to the MME；
Second receiving module subscribes to the cancellation confirmation message cancelled information and fed back for receiving the MME according to described；First cancels mould
Block, for according to the cancellation confirmation message, cancelling the subscribing relationship between the MME.
Specifically, described first establishes module and includes：First sending submodule subscribes to request for being sent to the MME
Information；First receiving submodule, the subscription confirmation message for receiving the MME according to the subscription solicited message feedback；The
Four setting up submodule, for according between the subscription confirmation message, with the current mobility management entity MME for terminal service
Establish subscribing relationship.
Wherein, the realization embodiment of the above-mentioned data transmission method for being related to data field transmission platform side is suitable for being somebody's turn to do
In the embodiment of data transmission device, it can also reach identical technique effect.
From the foregoing, it will be observed that the data transmission device provided in an embodiment of the present invention can be solved preferably in the prior art eventually
The problem of end receives data not in time and inefficiency.
Example IV
As shown in fig. 7, the embodiment of the present invention four provides a kind of data transmission device, mobility management entity can be applied to
MME, the data transmission device include：
Second establishes module 71, for establishing subscribing relationship between data field transmission platform；
Second acquisition module 72, the status information of the terminal for obtaining the MME current services；
First feedback module 73 is believed for feeding back the state to the data field transmission platform according to the subscribing relationship
Breath.
The data transmission device that the embodiment of the present invention four provides is subscribed to by being established between data field transmission platform
Relationship, and according to subscribing relationship to data field transmission platform feed back MME current services terminal status information so that data field
Transmission platform can be when status information instruction terminal from that can not receive data becomes that data can be received, in time by pre-cache
Data are sent to terminal；So that terminal receives data in time, and reduce and the meaningless interaction of application layer, raising efficiency.
In order to economize on resources, in the present embodiment, the data transmission device further includes：Third receiving module, in institute
It states after feeding back the status information to the data field transmission platform according to the subscribing relationship, receives the data field transmission
Information is cancelled in the subscription for the cancellation subscribing relationship that platform is sent；Second processing module is believed for being cancelled according to the subscription
It ceases to feed back to the data field transmission platform and cancels confirmation message, and cancel the subscription between the data field transmission platform and close
System.
Specifically, described second establishes module and includes：Second receiving submodule, for receiving the data field transmission platform
The subscription solicited message of transmission；First processing submodule is flat for being transmitted to the data field according to the subscription solicited message
Platform feedback subscribes to confirmation message, and establishes subscribing relationship between data field transmission platform.
Wherein, first feedback module includes：First triggering submodule, is subscribed to for being triggered according to the subscribing relationship
Notice, the subscribing notification includes the status information of the terminal；Second sending submodule, for sending out the subscribing notification
Give the data field transmission platform.
Further, the data transmission device further includes：First paging module, for described flat with data field transmission
It is established before subscribing relationship between platform, when receiving data transmission notice, pages the terminal and receive data；Third notice mould
Block, for when not receiving response message of the terminal according to the paging feedback, the data field transmission platform being notified to seek
It exhales unsuccessfully.
Wherein, the realization embodiment of the above-mentioned data transmission method for being related to the sides mobility management entity MME is applicable in
In the embodiment of the data transmission device, it can also reach identical technique effect.
From the foregoing, it will be observed that the data transmission device provided in an embodiment of the present invention can be solved preferably in the prior art eventually
The problem of end receives data not in time and inefficiency.
It should be noted that this many functional component described in this description is all referred to as module/submodule, so as to more
Add the independence for particularly emphasizing its realization method.
In the embodiment of the present invention, module/submodule can use software realization, to be executed by various types of processors.
For example, the executable code module of a mark may include the one or more physics or logic of computer instruction
Block, for example, it can be built as object, process or function.Nevertheless, the executable code of institute's mark module is not necessarily to
It is physically located together, but may include the different instructions being stored in different positions, combined when in these command logics
When together, constitutes module and realize the regulation purpose of the module.
In fact, executable code module can be the either many item instructions of individual instructions, and can even be distributed
It on multiple and different code segments, is distributed in distinct program, and is distributed across multiple memory devices.Similarly, it grasps
Making data can be identified in module, and can be realized according to any form appropriate and be organized in any appropriate class
In the data structure of type.The operation data can be collected as individual data collection, or can be distributed on different location
(including in different storage device), and can only be present in system or network as electronic signal at least partly.
When module can utilize software realization, it is contemplated that the level of existing hardware technique, it is possible to implemented in software
Module, in the case where not considering cost, those skilled in the art can build corresponding hardware circuit to realize correspondence
Function, the hardware circuit includes conventional ultra-large integrated (VLSI) circuit or gate array and such as logic core
The existing semiconductor of piece, transistor etc either other discrete elements.Module can also use programmable hardware device, such as
The realizations such as field programmable gate array, programmable logic array, programmable logic device.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, under the premise of not departing from principle of the present invention, can also make several improvements and retouch, these improvements and modifications should also regard
For protection scope of the present invention.
Claims (30)
1. a kind of data transmission method is applied to data field transmission platform, which is characterized in that including：
Subscribing relationship is established between the current mobility management entity MME for terminal service；
The subscribing notification that the MME is triggered according to the subscribing relationship is received, the subscribing notification includes the shape of the terminal
State information；
When the status information indicates that the terminal from that can not receive data becomes that data can be received, by pre-cache data
It is sent to the terminal.
2. data transmission method according to claim 1, which is characterized in that the described and current mobility for terminal service
The step of establishing subscribing relationship between management entity MME include：
When currently paging the terminal reception data failure for the MME of terminal service, establishes to subscribe between the MME and close
System.
3. data transmission method according to claim 2, which is characterized in that page institute in the current MME for terminal service
When stating terminal reception data failure, the data transmission method further includes：
The data for waiting being handed down to the terminal are cached, the pre-cache data are formed.
4. data transmission method according to claim 1, which is characterized in that the described and current mobility for terminal service
The step of establishing subscribing relationship between management entity MME include：
Before to the terminal transmission data, establishes and subscribe between the current mobility management entity MME for terminal service
Relationship.
5. data transmission method according to claim 4, which is characterized in that ordered according in the reception MME
After the subscribing notification for readding relationship triggering, the data transmission method further includes：
If in the presence of the data for waiting being handed down to the terminal, and the status information indicates that the terminal can not currently receive number
According to then waiting that the data for being handed down to the terminal cache by described, form the pre-cache data；And/or
If in the presence of the data for waiting being handed down to the terminal, and the status information indicates that the terminal is currently able to receive data,
Then wait that the data for being handed down to the terminal are sent to the terminal by described.
6. the data transmission method according to claim 3 or 5, which is characterized in that when forming the pre-cache data, institute
Stating data transmission method further includes：
Third-party application server A S data is notified to send failure, third party AS is default to data field transmission platform transmission
The server of data, the preset data are the data for waiting being handed down to the terminal.
7. data transmission method according to claim 6, which is characterized in that pre-cache data are being sent to the terminal
Later, the data transmission method further includes：
The third party AS data are notified to send successfully.
8. data transmission method according to claim 1, which is characterized in that in the described and current movement for terminal service
It is established before subscribing relationship between property management entity MME, the data transmission method further includes：
By being interacted with home signature user server HSS, the body of the currently mobility management entity MME for terminal service is obtained
Part information；
It is described to include the step of currently establishing subscribing relationship between the mobility management entity MME of terminal service：
Subscribing relationship is established according between the identity information, with the current mobility management entity MME for terminal service.
9. data transmission method according to claim 1, which is characterized in that it is described pre-cache data are sent to it is described
After terminal, the data transmission method further includes：
The subscription cancellation information for cancelling the subscribing relationship is sent to the MME；
The MME is received according to the cancellation confirmation message for subscribing to and cancelling information and feeding back；
According to the cancellation confirmation message, cancel the subscribing relationship between the MME.
10. data transmission method according to claim 1, which is characterized in that the described and current movement for terminal service
The step of establishing subscribing relationship between property management entity MME include：
It is sent to the MME and subscribes to solicited message；
Receive subscription confirmation messages of the MME according to the subscription solicited message feedback；
Subscribing relationship is established according between the subscription confirmation message, with the current mobility management entity MME for terminal service.
11. a kind of data transmission method is applied to mobility management entity MME, which is characterized in that including：
Subscribing relationship is established between data field transmission platform；
Obtain the status information of the terminal of the MME current services；
According to the subscribing relationship status information is fed back to the data field transmission platform.
12. data transmission method according to claim 11, which is characterized in that it is described according to the subscribing relationship to institute
After stating the data field transmission platform feedback status information, the data transmission method further includes：
Information is cancelled in the subscription for receiving the cancellation subscribing relationship that the data field transmission platform is sent；
Cancel information according to the subscription and feed back cancellation confirmation message to the data field transmission platform, and cancels and the data
Subscribing relationship between the transmission platform of domain.
13. data transmission method according to claim 11, which is characterized in that built between the transmission platform with data field
The step of vertical subscribing relationship includes：
Receive the subscription solicited message that the data field transmission platform is sent；
It is fed back to the data field transmission platform according to the subscription solicited message and subscribes to confirmation message, and is flat with data field transmission
Subscribing relationship is established between platform.
14. data transmission method according to claim 11, which is characterized in that it is described according to the subscribing relationship to described
Data field transmission platform feed back the status information the step of include：
Subscribing notification is triggered according to the subscribing relationship, the subscribing notification includes the status information of the terminal；
The subscribing notification is sent to the data field transmission platform.
15. data transmission method according to claim 11, which is characterized in that between the transmission platform with data field
It establishes before subscribing relationship, the data transmission method further includes：
When receiving data transmission notice, pages the terminal and receive data；
When not receiving response message of the terminal according to the paging feedback, the data field transmission platform paging is notified to lose
It loses.
16. a kind of data transmission device is applied to data field transmission platform, which is characterized in that including：
First establishes module, for currently establishing subscribing relationship between the mobility management entity MME of terminal service；
First receiving module, the subscribing notification triggered according to the subscribing relationship for receiving the MME, in the subscribing notification
Include the status information of the terminal；
First sending module, for indicating that the terminal from that can not receive data becomes that number can be received in the status information
According to when, pre-cache data are sent to the terminal.
17. data transmission device according to claim 16, which is characterized in that described first, which establishes module, includes：
First setting up submodule, it is and described for when currently paging the terminal for the MME of terminal service and receiving data failure
Subscribing relationship is established between MME.
18. data transmission device according to claim 17, which is characterized in that the data transmission device further includes：
First cache module, for when the MME pages the terminal and receives data failure, caching and waiting being handed down to the terminal
Data, form the pre-cache data.
19. data transmission device according to claim 16, which is characterized in that described first, which establishes module, includes：
Second setting up submodule is used for before to the terminal transmission data, with the current mobile management for terminal service
Subscribing relationship is established between entity MME.
20. data transmission device according to claim 19, which is characterized in that the data transmission device further includes：
First processing module is used for after the subscribing notification that the reception MME is triggered according to the subscribing relationship, if depositing
In the data for waiting being handed down to the terminal, and the status information indicates that the terminal can not currently receive data, then by institute
It states and waits being handed down to the data of the terminal and cached, form the pre-cache data；And/or
If in the presence of the data for waiting being handed down to the terminal, and the status information indicates that the terminal is currently able to receive data,
Then wait that the data for being handed down to the terminal are sent to the terminal by described.
21. the data transmission device according to claim 18 or 20, which is characterized in that the data transmission device also wraps
It includes：
First notification module, for when forming the pre-cache data, notice third-party application server A S data to send mistake
It loses, third party AS is the server that preset data is sent to the data field transmission platform, and the preset data is to wait being handed down to
The data of the terminal.
22. data transmission device according to claim 21, which is characterized in that the data transmission device further includes：
Second notification module, for after pre-cache data are sent to the terminal, notifying the third party AS data to send out
Send success.
23. data transmission device according to claim 16, which is characterized in that the data transmission device further includes：
First acquisition module is closed for being subscribed in the foundation between the current mobility management entity MME for terminal service
Before system, by being interacted with home signature user server HSS, the mobility management entity MME currently for terminal service is obtained
Identity information；
Described first, which establishes module, includes：
Third setting up submodule, for according to the identity information, with the current mobility management entity MME for terminal service it
Between establish subscribing relationship.
24. data transmission device according to claim 16, which is characterized in that the data transmission device further includes：
Second sending module, for it is described pre-cache data are sent to the terminal after, to the MME send cancel institute
Information is cancelled in the subscription for stating subscribing relationship；
Second receiving module subscribes to the cancellation confirmation message cancelled information and fed back for receiving the MME according to described；
First cancels module, for according to the cancellation confirmation message, cancelling the subscribing relationship between the MME.
25. data transmission device according to claim 16, which is characterized in that described first, which establishes module, includes：
First sending submodule subscribes to solicited message for being sent to the MME；
First receiving submodule, the subscription confirmation message for receiving the MME according to the subscription solicited message feedback；
4th setting up submodule is used for according to the subscription confirmation message, with the current mobility management entity for terminal service
Subscribing relationship is established between MME.
26. a kind of data transmission device is applied to mobility management entity MME, which is characterized in that including：
Second establishes module, for establishing subscribing relationship between data field transmission platform；
Second acquisition module, the status information of the terminal for obtaining the MME current services；
First feedback module, for feeding back the status information to the data field transmission platform according to the subscribing relationship.
27. data transmission device according to claim 26, which is characterized in that the data transmission device further includes：
Third receiving module, for feeding back the state letter to the data field transmission platform according to the subscribing relationship described
After breath, information is cancelled in the subscription for receiving the cancellation subscribing relationship that the data field transmission platform is sent；
Second processing module feeds back cancellation confirmation letter for cancelling information according to the subscription to the data field transmission platform
Breath, and cancel the subscribing relationship between the data field transmission platform.
28. data transmission device according to claim 26, which is characterized in that described second, which establishes module, includes：
Second receiving submodule, the subscription solicited message sent for receiving the data field transmission platform；
First processing submodule, confirmation letter is subscribed to for being fed back to the data field transmission platform according to the subscription solicited message
Breath, and establish subscribing relationship between data field transmission platform.
29. data transmission device according to claim 26, which is characterized in that first feedback module includes：
First triggering submodule, for triggering subscribing notification according to the subscribing relationship, the subscribing notification includes the end
The status information at end；
Second sending submodule, for the subscribing notification to be sent to the data field transmission platform.
30. data transmission device according to claim 26, which is characterized in that the data transmission device further includes：
First paging module, for before establishing subscribing relationship between the transmission platform with data field, receiving data hair
When sending notice, pages the terminal and receive data；
Third notice module, for when not receiving response message of the terminal according to the paging feedback, notifying the number
According to domain transmission platform paging failure.
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| CN112839308A (en) * | 2019-11-25 | 2021-05-25 | 成都鼎桥通信技术有限公司 | Data processing method, device and storage medium |
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