CN103796191A - Method, device and terminal for sending data to user terminal - Google Patents
Method, device and terminal for sending data to user terminal Download PDFInfo
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- CN103796191A CN103796191A CN201410078733.7A CN201410078733A CN103796191A CN 103796191 A CN103796191 A CN 103796191A CN 201410078733 A CN201410078733 A CN 201410078733A CN 103796191 A CN103796191 A CN 103796191A
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Abstract
The invention provides a method, device and system for sending data to a user terminal. The method includes the steps that a downlink data message sent by a server is received; when the downlink data message comprises the IP address of the user terminal, the IP address of an LTE terminal corresponding to the IP address of the user terminal is inquired in a routing table; the downlink data message is sent to the LTE terminal according to the IP address of the LTE terminal, so that the downlink data message is forwarded to the user terminal through the LTE terminal. According to the method, device and system for sending data to the user terminal, the downlink data message is sent to the user terminal through the LTE terminal, logic matching of the IP address of the LTE terminal and the IP address of the user terminal is completed according to the routing table which is configured on the network side, accordingly, the server can rapidly and directly access the user terminal which is connected with the LTE terminal, and the efficiency of a network communication system is improved.
Description
Technical field
The present invention relates to the technical field of communication network, especially relate to a kind of method to user terminal to transmit data, Apparatus and system.
Background technology
In prior art, client shifts to an earlier date equipment (Customer Premise EquIPment, or data transfer unit (Data Transfer Unit CPE), DTU) be the LTE terminal of relatively commonly using, the basic function of LTE terminal comprises user terminal access and teleservice function, and LTE terminal has the function of forwarding data packets simultaneously, for example, by WiFi or other wired connections, the data message that WiFi user terminal or the access of wire user terminal reception server are provided.
In the prior art, user is by block core evolution (the Evolved Packet Core of core net, EPC) gateway interface (Server Gateway Interface, SGI) side server, the computer, camera and the various application terminal that directly under access CPE or DTU, hang, this is because the message destination address that server enters EPC is the IP address of each user terminal of LTE terminal connection.According to communication protocol agreement of the prior art, need the coupling of the five-tuple business information that data message comprises, EPC could be the open link of user terminal of having set up transmission tunnel therein, the IP address that an element in five-tuple is LTE terminal.The data message that only allows to comprise the IP address of the LTE terminal distributing due to core net EPC passes through its network, if the IP address that the IP address in data message is user terminal, and the IP address of this user terminal is not the IP address of the LTE terminal that distributes, so server cannot directly be accessed the user terminal that LTE terminal connects.
Summary of the invention
The invention provides a kind of method to user terminal to transmit data, Apparatus and system, cannot directly access the problem of the user terminal of LTE terminal connection for solving prior art server.
For solving the aforementioned problems in the prior, the invention provides a kind of method to user terminal to transmit data, wherein, comprising:
The downlink data message that reception server sends;
In the time that described downlink data message comprises the IP address of user terminal, in routing table, inquire about the IP address of the LTE terminal corresponding with the IP address of described user terminal;
Carry out described downlink data message to send to described LTE terminal according to the IP address of described LTE terminal, described downlink data message is forwarded to described user terminal by described LTE terminal.
The present invention also provides a kind of device to user terminal to transmit data, wherein, comprising:
Receiver module, the downlink data message sending for reception server;
Enquiry module, when comprising the IP address of user terminal when described downlink data message, the IP address of the inquiry LTE terminal corresponding with the IP address of described user terminal in routing table;
The first sending module, for according to the IP address of described LTE terminal, described downlink data message being sent to described LTE terminal, described downlink data message is forwarded to described user terminal by described LTE terminal.
The present invention also provides a kind of system to user terminal to transmit data, wherein, comprises any one above-mentioned device to user terminal to transmit data.
The beneficial effect of embodiment provided by the invention:
In embodiment provided by the invention, in the time that downlink data message comprises the IP address of user terminal, in routing table, inquire about the IP address of the LTE terminal corresponding with the IP address of user terminal, downlink data message is sent to LTE terminal, downlink data message is forwarded to user terminal by LTE terminal, realize according to the routing table of network side configuration, complete the IP address of LTE terminal is mated with the logic of the IP address of user terminal, so that server can fast direct ground connection be accessed the user terminal that LTE terminal connects, improve the efficiency of network communicating system.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments obviously and easily and understand, wherein:
Fig. 1 is the structural representation of the present invention to method first embodiment of user terminal to transmit data;
Fig. 2 is the structural representation of the present invention to method second embodiment of user terminal to transmit data;
Fig. 3 is the structural representation of the present invention to device first embodiment of user terminal to transmit data;
Fig. 4 is the structural representation of the present invention to device second embodiment of user terminal to transmit data.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
Fig. 1 is the structural representation of the present invention to method first embodiment of user terminal to transmit data.As shown in Figure 1, in the present embodiment, the method to user terminal to transmit data specifically comprises following job step:
The downlink data message that step 101, reception server send.
In this step, the downlink data message that reception server sends, the object terminal of this downlink data message is user terminal, need to be forwarded to user terminal by LTE terminal.Wherein, network side comprises the equipment such as core net EPC, packet data gateway (Packet Gate Way, PGW) network element; LTE terminal comprises the equipment such as CPE or DTU; User terminal comprises computer, mobile phone, camera and the various application terminals etc. that user uses.After the PGW network element of network side receives server downlink data message, detect the kind of the IP address in downlink data message, the kind of IP address comprises the IP address of user terminal and the IP address of LTE terminal.In the time of IP address that the kind of the IP address in downlink data message is user terminal, enter step 102.
In this step, in the time that downlink data message comprises the IP address of user terminal, in routing table, inquire about the IP address of the LTE terminal corresponding with the IP address of user terminal.In the present embodiment, by the PGW network element of network side, the IP address information of the I P address of user terminal and LTE terminal is configured in routing table, wherein, the IP address of user terminal is object IP address, and the IP address of LTE terminal is next-hop ip address.
For avoiding that existing routing configuration pattern is impacted, the routing table entry of the IP address of the user terminal in the present embodiment and the IP address of LTE terminal is configured to default configuration entry, route entry type is set to default fields, to facilitate PGW network element to retrieve IP address.When the downlink data message that server sends arrives after PGW network element, according to the kind of the IP address in the downlink data message of core net EPC configuration, first PGW network element carries out a routing table inquiry, and the IP address that obtains LTE terminal by user terminal IP address, then enters step 103.
In this step, obtain the IP address of LTE terminal by user terminal IP address after, carry out downlink business flow template (DownLink Traffic Flow Template according to the IP address of LTE terminal, DL-TFT) information matches, and retrieve the tunnel information of corresponding Internet Transmission downlink data message, then can pass through conventional data transmission platform (General Data Transfer Platform, GTP) downlink data message is encapsulated, downlink data message is sent to corresponding LTE terminal according to the IP address of LTE terminal, then LTE terminal sends to corresponding user terminal according to the IP address of user terminal by downlink data message.
In the present embodiment, in the time that downlink data message comprises the IP address of user terminal, in routing table, inquire about the IP address of the LTE terminal corresponding with the IP address of user terminal, downlink data message is sent to LTE terminal, downlink data message is forwarded to user terminal by LTE terminal, realize according to the routing table of network side configuration, complete the IP address of LTE terminal is mated with the logic of the IP address of user terminal, so that server can fast direct ground connection be accessed the user terminal that LTE terminal connects, improve the efficiency of network communicating system.
Fig. 2 is the structural representation of the present invention to method second embodiment of user terminal to transmit data.As shown in Figure 2, in the present embodiment, the method to user terminal to transmit data specifically comprises following job step:
In this step, the PGW network element by network side in routing table, the logical relation between the IP address of configure user terminal and the IP address of LTE terminal.In the present embodiment, in routing table, the routing table entry of the I P address of user terminal and the IP address of LTE terminal is configured to default configuration entry, and route entry type is set to default fields, to facilitate PGW network element IP address to be retrieved and the convenient kind that detects IP address.
The downlink data message that step 202, reception server send.
In this step, the downlink data message that reception server sends, needs in this downlink data message to be forwarded to user terminal by LTE terminal.After receiving downlink data message, enter step 203.
The kind of the IP address in step 203, detection downlink data message.
Parse the IP address in downlink data message, then detect the kind of the IP address in downlink data message, the kind of IP address comprises the IP address of user terminal and the IP address of LTE terminal.In the time of IP address that the IP address in downlink data message is user terminal, enter step 204; When IP address in downlink data message is the IP address of LTE terminal, enter step 206.
In this step, in the time that downlink data message comprises the IP address of user terminal, in routing table, inquire about the IP address of the LTE terminal corresponding with the IP address of user terminal.In actual applications, if the data message that server sends arrives after PGW network element, according to the kind of the IP address in core net EPC configurating downlink data message, PGW network element carries out a routing table lookup, the IP address that obtains LTE terminal by user terminal IP address, then enters step 205.
In this step, obtain the IP address of LTE terminal by user terminal IP address after, carry out DL-TFT information matches according to the IP address of LTE terminal, retrieve the tunnel information of corresponding Internet Transmission, can conventional data transmission platform (General Data Transfer Platform, GTP) downlink data message is encapsulated, then according to the IP address of LTE terminal, downlink data message is sent to corresponding LTE terminal, LTE terminal sends to corresponding user terminal according to the IP address of user terminal by downlink data message again.
When step 206, IP address in downlink data message are the IP address of LTE terminal, downlink data message is sent to LTE terminal corresponding to IP address, by LTE terminal, downlink data message is sent to user terminal.
In this step, when downlink data message comprises the IP address of LTE terminal, downlink data message is sent to LTE terminal, the five-tuple business information that LTE terminal comprises according to downlink data message is mated.If the match is successful for five-tuple business information, carry out transmitting downlink data message by dedicated bearer tunnel, LTE terminal is forwarded to user terminal by the IP address according to user terminal by downlink data message; If five-tuple business information coupling is unsuccessful, carry out transmitting downlink data message by dedicated bearer tunnel, LTE terminal is forwarded to user terminal by the IP address according to user terminal by downlink data message.
In actual applications, the workflow of step 201-206 can be completed by the PGW network element in core net EPC.
In the present embodiment, logical relation in the routing table of network side PGW network element between the IP address of configure user terminal and the IP address of LTE terminal, when comprise the IP address of user terminal when downlink data message, in routing table, inquire about the IP address of the LTE terminal corresponding with the IP address of user terminal, downlink data message is sent to LTE terminal, downlink data message is forwarded to user terminal by LTE terminal, realize according to the routing table of network side PGW network element configuration, complete the IP address of LTE terminal is mated with the logic of the IP address of user terminal, so that server can fast direct ground connection be accessed the user terminal that LTE terminal connects, improve the efficiency of network communicating system.
Fig. 3 is the structural representation of the present invention to device first embodiment of user terminal to transmit data.As shown in Figure 3, in the present embodiment, the device to user terminal to transmit data comprises: receiver module 301, enquiry module 302 and the first sending module 303.Wherein, the downlink data message that receiver module 301 sends for reception server; Enquiry module 302 when comprise the IP address of user terminal when downlink data message, the IP address of the inquiry LTE terminal corresponding with the IP address of user terminal in routing table; The first sending module 303 sends to LTE terminal for the IP address according to LTE terminal by downlink data message, downlink data message is forwarded to user terminal by LTE terminal.
In the present embodiment, by receiver module downlink data receiving message, in the time that downlink data message comprises the IP address of user terminal, in routing table, inquire about the IP address of the LTE terminal corresponding with the IP address of user terminal by enquiry module, downlink data message is sent to LTE terminal by the first sending module, downlink data message is forwarded to user terminal by LTE terminal, realize according to the routing table of network side PGW network element configuration, complete the IP address of LTE terminal is mated with the logic of the IP address of user terminal, so that server can fast direct ground connection be accessed the user terminal that LTE terminal connects, improve the communication efficiency of network side communication system.
Fig. 4 is the structural representation of the present invention to device second embodiment of user terminal to transmit data.As shown in Figure 4, in the present embodiment, the device to user terminal to transmit data also comprises: configuration module 304, detection module 305 and the second sending module 306.Wherein, configuration module 304 is for the logical relation between the IP address of configure user terminal and the IP address of LTE terminal, and stores in routing table.Detection module 305 is for detection of the kind of the IP address in downlink data message, and the kind of IP address comprises the IP address of user terminal and the IP address of LTE terminal.The second sending module 306 when being the IP address of LTE terminal in the IP address of downlink data message, sends to LTE terminal corresponding to IP address by downlink data message, by LTE terminal, downlink data message is sent to user terminal.
Further, the first sending module 303, specifically for carry out downlink business flow template DL-TFT coupling according to the IP address of LTE terminal, sends to LTE terminal by downlink data message, downlink data message is forwarded to user terminal by LTE terminal.
In actual applications, the function of the device of user terminal to transmit data can be completed by the PGW network element in core net EPC.
In the present embodiment, configuration module is the logical relation between the IP address of configure user terminal and the IP address of LTE terminal in routing table, detection module detects the kind of the IP address in downlink data message, in the time that downlink data message comprises the IP address of user terminal, enquiry module is inquired about the IP address of the LTE terminal corresponding with the IP address of user terminal in routing table, downlink data message is sent to LTE terminal by the first sending module, downlink data message is forwarded to user terminal by LTE terminal, realize according to the routing table of network side PGW network element configuration, complete the IP address of LTE terminal is mated with the logic of the IP address of user terminal, make server fast direct ground connection access the user terminal that LTE terminal connects, improve the communication efficiency of network side communication system.
The present invention also provides a kind of system to user terminal to transmit data, comprises the device to user terminal to transmit data shown in user terminal, LTEZ terminal and Fig. 3 or Fig. 4.In the present embodiment, introduce technical scheme as an example of the device to user terminal to transmit data shown in Fig. 3 example.The device to user terminal to transmit data in the present embodiment comprises: receiver module 301, enquiry module 302 and the first sending module 303.Wherein, the downlink data message that receiver module 301 sends for reception server; Enquiry module 302 when comprise the IP address of user terminal when downlink data message, the IP address of the inquiry LTE terminal corresponding with the IP address of user terminal in routing table; The first sending module 303 sends to LTE terminal for the IP address according to LTE terminal by downlink data message, downlink data message is forwarded to user terminal by LTE terminal.
In the present embodiment, system to user terminal to transmit data is passed through receiver module downlink data receiving message, in the time that downlink data message comprises the IP address of user terminal, in routing table, inquire about the IP address of the LTE terminal corresponding with the IP address of user terminal by enquiry module, downlink data message is sent to LTE terminal by the first sending module, downlink data message is forwarded to user terminal by LTE terminal, realize according to the routing table of network side configuration, complete the IP address of LTE terminal is mated with the logic of the IP address of user terminal, so that network side can fast direct ground connection be accessed the user terminal that LTE terminal connects, improve the communication efficiency of network side communication system.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is can carry out the hardware that instruction is relevant by program to complete, program can be stored in a kind of computer-readable recording medium, this program, in the time carrying out, comprises step of embodiment of the method one or a combination set of.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.If described integrated module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium using the form of software function module.
The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The above is only part execution mode of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. to a method for user terminal to transmit data, it is characterized in that, comprising:
The downlink data message that reception server sends;
In the time that described downlink data message comprises the IP address of user terminal, in routing table, inquire about the IP address of the LTE terminal corresponding with the IP address of described user terminal;
Carry out described downlink data message to send to described LTE terminal according to the IP address of described LTE terminal, described downlink data message is forwarded to described user terminal by described LTE terminal.
2. the method to user terminal to transmit data according to claim 1, is characterized in that, also comprises:
When IP address in described downlink data message is the IP address of LTE terminal, described downlink data message is sent to LTE terminal corresponding to described IP address, by described LTE terminal, described downlink data message is sent to user terminal.
3. the method to user terminal to transmit data according to claim 1, it is characterized in that, according to the IP address of described LTE terminal, described downlink data message is sent to described LTE terminal, described downlink data message is forwarded to described user terminal by described LTE terminal, specifically comprise:
Carry out downlink business flow template DL-TFT coupling according to the IP address of described LTE terminal, described downlink data message is sent to described LTE terminal, described downlink data message is forwarded to described user terminal by described LTE terminal.
4. the method to user terminal to transmit data according to claim 1, is characterized in that, also comprises:
In routing table, configure the logical relation between the IP address of described user terminal and the IP address of LTE terminal.
5. the method to user terminal to transmit data according to claim 1, is characterized in that, also comprises:
Detect the kind of the IP address in described downlink data message;
The kind of described IP address comprises the IP address of user terminal and the IP address of LTE terminal.
6. to a device for user terminal to transmit data, it is characterized in that, comprising:
Receiver module, the downlink data message sending for reception server;
Enquiry module, when comprising the IP address of user terminal when described downlink data message, the IP address of the inquiry LTE terminal corresponding with the IP address of described user terminal in routing table;
The first sending module, for according to the IP address of described LTE terminal, described downlink data message being sent to described LTE terminal, described downlink data message is forwarded to described user terminal by described LTE terminal.
7. the device to user terminal to transmit data according to claim 6, is characterized in that, also comprises: the second sending module;
While being used for being the IP address of LTE terminal in the IP address of described downlink data message, described downlink data message is sent to LTE terminal corresponding to described IP address, by described LTE terminal, described downlink data message is sent to user terminal.
8. the device to user terminal to transmit data according to claim 6, is characterized in that, described the first sending module specifically for:
Carry out DL-TFT coupling according to the IP address of described LTE terminal, described downlink data message is sent to described LTE terminal, described downlink data message is forwarded to described user terminal by described LTE terminal.
9. the device to user terminal to transmit data according to claim 6, is characterized in that, also comprises:
Configuration module, for configuring the logical relation between the IP address of described user terminal and the IP address of LTE terminal in routing table.
10. the device to user terminal to transmit data according to claim 6, is characterized in that, also comprises:
Detection module, for detection of the kind of the IP address in described downlink data message;
The kind of described IP address comprises the IP address of user terminal and the IP address of LTE terminal.
11. 1 kinds of systems to user terminal to transmit data, is characterized in that, comprise the arbitrary described device to user terminal to transmit data of claim 6-10.
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| CN201410078733.7A CN103796191B (en) | 2014-03-05 | 2014-03-05 | Method, device and the terminal of data are sent to user terminal |
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| CN201410078733.7A CN103796191B (en) | 2014-03-05 | 2014-03-05 | Method, device and the terminal of data are sent to user terminal |
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| CN106454809A (en) * | 2016-09-29 | 2017-02-22 | 武汉虹信通信技术有限责任公司 | Routing behind mobile station method for LTE (Long Term Evolution) system |
| CN106686553A (en) * | 2015-11-10 | 2017-05-17 | 大唐移动通信设备有限公司 | Method and device for carrying out multicasting on core net EPC |
| CN109089295A (en) * | 2018-08-10 | 2018-12-25 | 武汉虹信通信技术有限责任公司 | A kind of two-way communication of the more lower computer systems of LTE |
| CN109788578A (en) * | 2017-11-14 | 2019-05-21 | 北京佰才邦技术有限公司 | A kind of method, the network equipment and terminal device that LTE polymerize with WIFI |
| CN110445712A (en) * | 2019-07-17 | 2019-11-12 | 新华三技术有限公司成都分公司 | Data forwarding method, apparatus and system |
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| CN106686553A (en) * | 2015-11-10 | 2017-05-17 | 大唐移动通信设备有限公司 | Method and device for carrying out multicasting on core net EPC |
| CN106686553B (en) * | 2015-11-10 | 2020-07-17 | 大唐移动通信设备有限公司 | Method and device for carrying out multicast on core network EPC |
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| CN103796191B (en) | 2017-09-26 |
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