CN102413445A - Method and equipment for transmitting data - Google Patents
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- CN102413445A CN102413445A CN2010102916635A CN201010291663A CN102413445A CN 102413445 A CN102413445 A CN 102413445A CN 2010102916635 A CN2010102916635 A CN 2010102916635A CN 201010291663 A CN201010291663 A CN 201010291663A CN 102413445 A CN102413445 A CN 102413445A
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Abstract
The invention discloses a method and equipment for transmitting data. The method comprises the following steps that: a mobile management entity acquires user surface data; the mobile management entity adds the user surface data into a general packet radio service (GPRS) tunneling protocol for control plane (GTPC) message; and the mobile management entity sends the GTPC message into which the user surface data is added to an application server. In the embodiment of the invention, the user surface data is carried by adding or expanding the GTPC message, and the user surface data can be transmitted by using the GTPC message, so that the user surface data with small data volume can be transmitted by using the GTPC message of a control plane, network transmission speed rate is improved, and system transmission efficiency is improved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of transmission method and equipment of data.
Background technology
Along with the fast development of Internet,, carried out corresponding evolution in aspects such as Access Network, core net and transmission networks in order to carry various new types of data communication services.Current, along with the flourish of MTC (Machine-typecommunication, the communication of machine class) business with to its following good expection, the evolution of communication network has obtained important motive force again.
MTC communication is meant that communication one side or both sides are machines, and machine can be accomplished the communication form of whole communication process automatically through program control.Wherein, As a kind of novel communication theory; The purpose of MTC communication is that the communication technology with number of different types organically combines, and is applied to wireless mobile telecommunication technology, realizes carrying out between machine and machine, machine and the people data communication and mutual a series of technology and the general name of technical combinations.
At existing 3GPP (3rd Generation Partnership Project; Third generation partner program) in the network; LTE (Long Term Evolution; Long Term Evolution) system has adopted the design that user plane is separated with chain of command, the 3GPP network architecture sketch map under the non-roaming scene as shown in Figure 1.Wherein, the chain of command signaling is managed by MME (Mobile Management Entity, mobile management entity), is responsible for the mutual of core network signalling, the general not transmission of participating user face data.But special case is also arranged, and for example, MME parses user plane Payload (short message) from NAS (Non Access Stratum, Non-Access Stratum) signaling message, carry out the transmission of short message then through the SGs interface.
In the user plane data transfer process; User face data is directly carried out alternately with SGW (ServingGateway, gateway) by Access Network, and passes through PDN (Packet Data Network; Packet Data Network) GW (gateway) carries out alternately with outside PDN network, and whole flow process is without MME.
As shown in Figure 1, in existing protocol, have only the signaling message transmission on the S11 interface; On the S5 interface, exist with the S11 interface on signaling plane message one to one, and on this tunnel, have only the signaling plane transmission of messages.
In realizing process of the present invention, the inventor finds to exist at least in the prior art following problem:
In the existing MTC small data quantity transmission course, the method for using the chain of command signaling to carry out transfer of data in the core net can not realize that in prior LTE system promptly existing chain of command signaling is not supported the transfer function of user face data.In addition; For MME and PGW (PDN GW); Because the design that adopts user plane to separate with data surface; Therefore MME is not filled up to user face data the function of the chain of command message on the S11 interface in existing system, and PGW does not peel off the function that user face data is routed to external network then yet from chain of command message.
Summary of the invention
The embodiment of the invention provides a kind of transmission method and equipment of data, to support the function through chain of command signaling transmission user face data, has improved network transmission speed and efficiency of transmission.
In order to achieve the above object, the embodiment of the invention provides a kind of transmission method of data, comprising:
Mobility Management Entity obtains user face data;
Said Mobility Management Entity adds said user face data in the GTPC message to;
Said Mobility Management Entity sends to application server with the GTPC message of having added said user face data.
The embodiment of the invention provides a kind of transmission equipment of data, comprising:
Acquisition module is used to obtain user face data;
Add module, be used for adding the said user face data that said acquisition module obtains to GTPC message;
Sending module is used for the GTPC message of having added said user face data is sent to application server.
The embodiment of the invention provides a kind of transmission method of data, comprising:
PGW receives the GTPC message from Mobility Management Entity, has carried user face data in the said GTPC message;
Said PGW obtains said user face data through resolving said GTPC message, and said user face data is sent to application server.
The embodiment of the invention provides a kind of transmission equipment of data, comprising:
Receiver module is used to receive the GTPC message from Mobility Management Entity, has carried user face data in the said GTPC message;
Obtain module, be used for obtaining said user face data through the said GTPC message of resolving said receiver module reception;
Sending module is used for the said user face data that said acquisition module obtains is sent to application server.
Compared with prior art, the present invention has the following advantages at least:
Carry user face data through newly-increased or expansion GTPC message; Make user face data to transmit through GTPC message; Thereby make the user face data of small data quantity to transmit through the GTPC message of control plane; Improve network transmission speed, and improved system transmissions efficient.
Description of drawings
In order to be illustrated more clearly in technical scheme of the present invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the 3GPP network architecture sketch map under the non-roaming scene in the prior art;
Fig. 2 is the transmission method schematic flow sheet of a kind of data of providing of the embodiment of the invention one;
Fig. 3 is the transmission method schematic flow sheet of a kind of data of providing of the embodiment of the invention two;
Fig. 4 is the transmission method schematic flow sheet of a kind of data of providing of the embodiment of the invention three;
Fig. 5 is the transmission equipment structural representation of a kind of data of providing of the embodiment of the invention;
Fig. 6 is the transmission equipment structural representation of the another kind of data that provide of the embodiment of the invention.
Embodiment
In the existing MTC technology, there is a specific character in some MTC equipment: the data of at every turn sending to MTC Server (server) all are the data of small data quantity.In this case, can will produce bigger influence,, need to accomplish more a large amount of signaling transmission, thereby cause system effectiveness low promptly in order to send the data of very small amount to traditional 3GPP network data transmission mode.
To the problems referred to above; The embodiment of the invention provides a kind of transmission method and equipment of data; With to GTPC (GPRS Tunneling Protocol for Control Plane; The GPRS tunnel protocol of the evolution of control plane) agreement and interdependent node improve, thereby make the small data quantity data to transmit through control plane GTPC message.
To combine the accompanying drawing among the present invention below, the technical scheme among the present invention is carried out clear, intactly description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The embodiment of the invention one provides a kind of transmission method of data, through the GTPC agreement is expanded, makes GTPC message can transmit the data of small data quantity; And Mobility Management Entity and PGW carried out the expansion on the function, make Mobility Management Entity and PGW can use GTPC message to carry out the transmission of user face data.
In the embodiment of the invention; Carry out in the separated network framework in user plane and chain of command; The technical scheme that corresponding mobile property management entity all can adopt the embodiment of the invention to provide is handled accordingly, describes for ease, and be that example describes with MME in the embodiment of the invention.
As shown in Figure 2, the transmission method of these data may further comprise the steps:
Concrete, after receiving NAS signaling (for example, Service Request message etc.), then MME can parse user face data (being user plane Payload) from the NAS signaling.
Because existing GTPC message is used to transmit the chain of command data, in the embodiment of the invention, for the user face data to small data quantity transmits, can expand GTPC message, and add user face data to GTPC message.
Concrete, can on existing GTPC message, expand, so that the GTPC message after the expansion can be carried user plane Payload; Also can increase new GTPC message, and carry user plane Payload through new GTPC message.
In the embodiment of the invention, after obtaining user face data, MME can be with the user face data transparent enclosure in GTPC message, and promptly MME does not make any change to the user face data that obtains, and directly user face data is encapsulated in the GTPC message.
Wherein, after MME has found corresponding PGW, promptly can the GTPC message of having carried user face data be sent to PGW.
Concrete, the mode that the GTPC message that MME will carry user face data sends to PGW includes but not limited to:
(1) MME obtains the address information of PGW, the address information of PGW is carried in the GTPC message, and the GTPC message that will carry user face data sends to SGW, and the GTPC message that will carry user face data according to the address information of PGW by SGW sends to PGW.
(2) MME searches the corresponding PDN of user face data and connects, and connects the GTPC message that will carry user face data through this PDN and send to SGW, connects the GTPC message that will carry user face data by SGW according to this PDN and sends to PGW.
Concrete, after receiving the GTPC message of having carried user face data, PGW can parse user face data from GTPC message, and obtains this user face data.
Wherein, in the embodiment of the invention, according to the needs of reality, this application server includes but not limited to the MTC server, describe for ease, and be that example describes with the MTC server in the embodiment of the invention.
Concrete, after obtaining user face data, PGW can send to the SGi interface with user face data, and by the SGi interface this user face data is sent to the MTC server.
Afterwards, the MTC server needs this user face data is sent to concrete MTC equipment, or to the MTC server, obtains this user face data by MTC equipment, repeats no more in this processing procedure embodiment of the invention.
To sum up can find out; In the embodiment of the invention; Carry user face data through newly-increased or expansion GTPC message, make user face data to transmit, thereby make the user face data of small data quantity to transmit through the GTPC message of control plane through GTPC message; Improve network transmission speed, and improved system transmissions efficient.
For the technical scheme of explaining that more clearly the embodiment of the invention provides, the embodiment of the invention is elaborated below in conjunction with a kind of concrete application scenarios.Should be with under the scene, MME carries user face data through newly-increased GTPC message, and names this newly-increased GTPC message to be: Uplink DirectTransfer.In this Uplink Direct Transfer message:
Message type (type of message) is x, uses the type of for future use in the existing GTPCv2 message, for example 254.
Message format (message format), the TEID value is changed to 0 among the GTPC Header of this message.
Need to prove that the name of newly-increased GTPC message is unrestricted, also can called after other can realize the message name of required function, repeat no more at this.
As shown in table 1, in the Uplink Direct Transfer message through using transparent vessel to transmit the corresponding parameter of data.
Table 1
In table 1, IMSI, IP Address; The definition of Private Extension is identical with existing definition; And the definition of Payload Transparent Container IE is different, needs to increase the type of Container Type among the F-Container, and is as shown in table 2:
Table 2
In table 2, the value of Container Type has used 1,2,3 at present, can increase a value in the embodiment of the invention newly and represent the Payload type.For example, when Container Type=4, then the content among the F-Container field is payload.
In addition, in practical application, after PGW receives Uplink Direct Transfer message, can also receive the response to MME, naming this message is Uplink Direct Transfer Acknowledge.In this Uplink Direct Transfer Acknowledge message:
Description: promptly PGW returns corresponding cause value to MME according to result in Uplink Direct Transfer Acknowledge message.
Message type is x, uses the type of for future use in the existing GTPCv2 message, for example 255.
Message format: the TEID value is changed to 0 among the GTPC Header of this message.
As shown in table 3, be the signal situation of Uplink Direct Transfer Acknowledge message.
Table 3
In table 3, IMSI, Cause is identical with existing definition with the definition of Private Extension IE.Need to prove that the message of carrying the cause value is not limited to Uplink Direct TransferAcknowledge, is the name to the message of carrying the cause value here.
Based on above-mentioned message, the embodiment of the invention two provides a kind of transmission method of message, and the newly-increased Uplink Direct Transfer message of this method utilization is accomplished the transmission of user face data, and is as shown in Figure 3, may further comprise the steps:
Wherein, MME can be with the user face data transparent enclosure in Uplink Direct Transfer message.Need to prove that the mode that user face data is encapsulated into Uplink Direct Transfer message is not limited to transparent enclosure, in practical application, under the situation that can carry user face data, also can adopt other modes.
Concrete, SGW can find corresponding PGW according to the PGW S5/S8GTP-C IPAddress in the Uplink Direct Transfer message (being the address information of PGW), then Uplink DirectTransfer message is sent to PGW.
Need to prove that PGW can also be according to result, and return corresponding cause value to MME, repeat no more in the embodiment of the invention through Uplink Direct TransferAcknowledge message.
It is thus clear that through the method that present embodiment provides, MME can carry user face data through newly-increased GTPC message; And will increase GTPC message newly and send to PGW; Resolve newly-increased GTPC message by PGW, and the user face data that parsing obtains is sent to MTC equipment, thereby realized carrying out the transmission of user face data through GTPC message; Improve network transmission speed, and improved system transmissions efficient.
The application scenarios concrete below in conjunction with another kind is elaborated to the embodiment of the invention.Should be with under the scene; MME carries user face data through expanding current GTPC message; Should be with under the scene, the GTPC message of expansion is existing Modify Bearer Request message, promptly carries user face data through in ModifyBearer Request message, increasing IE.Modify Bearer Request message after the expansion as shown in table 4:
Table 4
In table 4, the transmission of parameter Payload Transparent Container respective user face data wherein, needs to increase the type of definition Payload among the F-Container, as shown in table 5:
Table 5
In table 5, the value of Container Type has used 1,2,3 at present, can increase a value in the embodiment of the invention newly and represent the Payload type.For example, when Container Type=4, explain that then the content among the F-Container field is payload.
In addition, in practical application, after PGW receives Modify Bearer Request message, can also receive the response, and return corresponding cause value to MME to MME.Wherein, naming this message is Modify Bearer Response, and promptly PGW can be according to result, and through Modify BearerResponse message the cause value is returned to MME.
Based on above-mentioned message, the embodiment of the invention three provides a kind of transmission method of message, and the Modify Bearer Request message after this method utilization expansion is accomplished the transmission of user face data, and is as shown in Figure 4, may further comprise the steps:
Need to prove that PGW can also be according to result, and return corresponding cause value to MME, repeat no more in the embodiment of the invention through Modify BearerResponse message.
It is thus clear that through the method for present embodiment, MME carries user face data through expansion GTPC message (Modify BearerRequest message); And the Modify Bearer Request message after will expanding sends to PGW; Resolve newly-increased GTPC message by PGW, and the user face data that parsing obtains is sent to MTC equipment, thereby realized carrying out the transmission of user face data through GTPC message; Improve network transmission speed, and improved system transmissions efficient.
Based on the inventive concept same with said method, a kind of transmission equipment of data also is provided in the embodiment of the invention, as shown in Figure 5, comprising:
Add module 52, be used for adding the said user face data that said acquisition module 51 obtains to GTPC message;
Sending module 53 is used for the GTPC message of having added said user face data is sent to application server.
Said acquisition module 51 specifically is used to receive the NAS signaling, and from said NAS signaling, obtains said user face data.
Said interpolation module 52 specifically is used for said user face data transparent enclosure to said GTPC message.
Said sending module 53 specifically is used for the GTPC message of having added said user face data is sent to PGW; Obtain said user face data by said PGW through resolving said GTPC message, and said user face data is sent to said application server.
Said sending module 53; Be further used for when carrying the address information of said PGW in the said GTPC message; The GTPC message of having added said user face data is sent to SGW, according to the address information of said PGW said GTPC message is sent to PGW by said SGW.
Said sending module 53; Being further used for searching the corresponding PDN of said user face data connects; And connect through said PDN the GTPC message of having added said user face data is sent to SGW, connect according to said PDN by said SGW said GTPC message is sent to PGW.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
It is thus clear that; In the embodiment of the invention; Carry user face data through newly-increased or expansion GTPC message, make user face data to transmit, thereby make the user face data of small data quantity to transmit through the GTPC message of control plane through GTPC message; Improve network transmission speed, and improved system transmissions efficient.
Based on the inventive concept same with said method, a kind of transmission equipment of data also is provided in the embodiment of the invention, as shown in Figure 6, comprising:
Obtain module 62, be used for obtaining said user face data through the said GTPC message of resolving said receiver module 61 receptions;
Sending module 63 is used for the said user face data that said acquisition module 62 obtains is sent to application server.
Said receiver module 61; Specifically be used for when said GTPC message is carried the address information of said PGW; Receive SGW and be transmitted to the said GTPC message of said PGW according to the address information of said PGW, said GTPC message is that said Mobility Management Entity sends to said SGW's.
Said receiver module 61; Specifically be used to receive SGW and connect the said GTPC message that is transmitted to said PGW according to the corresponding PDN of said user face data, said GTPC message is that corresponding PDN connection sends to said SGW's to said Mobility Management Entity according to said user face data.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
It is thus clear that; In the embodiment of the invention; Carry user face data through newly-increased or expansion GTPC message, make user face data to transmit, thereby make the user face data of small data quantity to transmit through the GTPC message of control plane through GTPC message; Improve network transmission speed, and improved system transmissions efficient.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product is stored in the storage medium; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the sketch map of a preferred embodiment, module in the accompanying drawing or flow process might not be that embodiment of the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosedly be merely several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (18)
1. the transmission method of data is characterized in that, comprising:
Mobility Management Entity obtains user face data;
Said Mobility Management Entity adds said user face data in the GTPC message to;
Said Mobility Management Entity sends to application server with the GTPC message of having added said user face data.
2. the method for claim 1 is characterized in that, said Mobility Management Entity obtains user face data, comprising:
Said Mobility Management Entity receives the NAS signaling, and from said NAS signaling, obtains said user face data.
3. the method for claim 1 is characterized in that, said Mobility Management Entity adds said user face data in the GTPC message to, comprising:
Said Mobility Management Entity with said user face data transparent enclosure in said GTPC message.
4. the method for claim 1 is characterized in that, said Mobility Management Entity sends to application server with the GTPC message of having added said user face data, comprising:
Said Mobility Management Entity sends to PGW with the GTPC message of having added said user face data;
Said PGW obtains said user face data through resolving said GTPC message, and said user face data is sent to said application server.
5. method as claimed in claim 4 is characterized in that, said Mobility Management Entity sends to PGW with the GTPC message of having added said user face data, comprising:
When carrying the address information of said PGW in the said GTPC message, said Mobility Management Entity sends to SGW with the GTPC message of having added said user face data, according to the address information of said PGW said GTPC message is sent to PGW by said SGW.
6. method as claimed in claim 4 is characterized in that, said Mobility Management Entity sends to PGW with the GTPC message of having added said user face data, comprising:
Said Mobility Management Entity is searched the corresponding PDN of said user face data and is connected, and through said PDN connection the GTPC message of having added said user face data is sent to SGW, is connected according to said PDN by said SGW said GTPC message is sent to PGW.
7. the transmission equipment of data is characterized in that, comprising:
Acquisition module is used to obtain user face data;
Add module, be used for adding the said user face data that said acquisition module obtains to GTPC message;
Sending module is used for the GTPC message of having added said user face data is sent to application server.
8. equipment as claimed in claim 7 is characterized in that,
Said acquisition module specifically is used to receive the NAS signaling, and from said NAS signaling, obtains said user face data.
9. equipment as claimed in claim 7 is characterized in that,
Said interpolation module specifically is used for said user face data transparent enclosure to said GTPC message.
10. equipment as claimed in claim 7 is characterized in that,
Said sending module specifically is used for the GTPC message of having added said user face data is sent to PGW; Obtain said user face data by said PGW through resolving said GTPC message, and said user face data is sent to said application server.
11. equipment as claimed in claim 10 is characterized in that,
Said sending module; Be further used for when carrying the address information of said PGW in the said GTPC message; The GTPC message of having added said user face data is sent to SGW, according to the address information of said PGW said GTPC message is sent to PGW by said SGW.
12. equipment as claimed in claim 10 is characterized in that,
Said sending module; Being further used for searching the corresponding PDN of said user face data connects; And connect through said PDN the GTPC message of having added said user face data is sent to SGW, connect according to said PDN by said SGW said GTPC message is sent to PGW.
13. the transmission method of data is characterized in that, comprising:
PGW receives the GTPC message from Mobility Management Entity, has carried user face data in the said GTPC message;
Said PGW obtains said user face data through resolving said GTPC message, and said user face data is sent to application server.
14. method as claimed in claim 13 is characterized in that, said PGW receives the GTPC message from Mobility Management Entity, comprising:
When carrying the address information of said PGW in the said GTPC message, said PGW receives SGW and is transmitted to the said GTPC message of said PGW according to the address information of said PGW, and said GTPC message is that said Mobility Management Entity sends to said SGW's.
15. method as claimed in claim 13 is characterized in that, said PGW receives the GTPC message from Mobility Management Entity, comprising:
Said PGW receives SGW and connects the said GTPC message that is transmitted to said PGW according to the corresponding PDN of said user face data, and said GTPC message is that corresponding PDN connection sends to said SGW's to said Mobility Management Entity according to said user face data.
16. the transmission equipment of data is characterized in that, comprising:
Receiver module is used to receive the GTPC message from Mobility Management Entity, has carried user face data in the said GTPC message;
Obtain module, be used for obtaining said user face data through the said GTPC message of resolving said receiver module reception;
Sending module is used for the said user face data that said acquisition module obtains is sent to application server.
17. equipment as claimed in claim 16 is characterized in that,
Said receiver module; Specifically be used for when said GTPC message is carried the address information of said PGW; Receive SGW and be transmitted to the said GTPC message of said PGW according to the address information of said PGW, said GTPC message is that said Mobility Management Entity sends to said SGW's.
18. equipment as claimed in claim 16 is characterized in that,
Said receiver module; Specifically be used to receive SGW and connect the said GTPC message that is transmitted to said PGW according to the corresponding PDN of said user face data, said GTPC message is that corresponding PDN connection sends to said SGW's to said Mobility Management Entity according to said user face data.
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| WO2014000653A1 (en) * | 2012-06-28 | 2014-01-03 | 中兴通讯股份有限公司 | Transmission method and system for small ip packet |
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| CN110139264A (en) * | 2018-02-09 | 2019-08-16 | 华为技术有限公司 | Communication means, device and the storage medium of NB-IoT network |
| CN110139264B (en) * | 2018-02-09 | 2021-10-15 | 华为技术有限公司 | NB-IoT network communication method, device and storage medium |
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Application publication date: 20120411 |