CN102595657A - Data transmitting/receiving devices and communication system based on 3G multi-card binding. - Google Patents
Data transmitting/receiving devices and communication system based on 3G multi-card binding. Download PDFInfo
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- CN102595657A CN102595657A CN2012100421406A CN201210042140A CN102595657A CN 102595657 A CN102595657 A CN 102595657A CN 2012100421406 A CN2012100421406 A CN 2012100421406A CN 201210042140 A CN201210042140 A CN 201210042140A CN 102595657 A CN102595657 A CN 102595657A
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Abstract
The invention discloses data transmitting/receiving devices and a communication system based on 3G multi-card binding. The data transmitting device comprises a first data receiving module for receiving external data, a data encapsulating module for conducting data encapsulation on the received external data, and more than two 3G network card modules, wherein a plurality of 3G network card modules are commonly connected with a 3G network card control module, the output end of the data encapsulating module is connected with a data distributing module, and the data distributing module receives linkage state signals of the various 3G network card modules and distributes the external data after being subjected to data encapsulation to the 3G network card modules. In the invention, the data transmitting capability of a 3G network is greatly improved by the data transmitting device and the data receiving device, the problems of delayed shaking, packet loss, derangement and the like of the data transmission in the practical application of the 3G network can be solved, so that the 3G network can meet the requirements of transmitting video data and other multimedia data on such special application occasions as emergency live broadcasting, commanding or the like.
Description
Technical field
The present invention relates to the 3G communications field, especially a kind of transfer of data/receiving system and communication system of blocking binding based on 3G more.
Background technology
Along with the progress of science and technology and popularizing of communication network, people have higher requirement to the data transmission quality of communication network.For example, in the special applications of video transmission,, the transmission quality and the stability of video data all there is the higher requirement of ratio like emergent live or emergency command.Because 3G network is civilian network; Be merely able to accomplish the responsibility of " transmission as far as possible "; In case the user that 3G network inserts is many, data quantity transmitted is big, and then single user's available bandwidth descends greatly; And single user has the possibility of broken string at any time, has a strong impact on the quality of multi-medium data transmission such as video data.But the development after a while of 3G network warp, the network coverage is constantly perfect, and 3G network has become the important means of emergent fast multi-medium datas such as video data transmission.
For these reasons, need a kind of technical scheme that can improve 3G network data transmission quality and stability of research and development badly,, make 3G network be applicable to the application-specific scene to satisfy people through the 3G network demand live or that command of meet an urgent need.
Summary of the invention
The technical problem that the present invention will solve is: provide a kind of and block the data transmission device of binding based on 3G more, the extraneous data that this data transmission device can will receive are transmitted through a plurality of 3G network interface card modules, thereby have satisfied the quantity transmission requirement of big flow.
Another technical problem that the present invention will solve is: a kind of data sink that blocks binding based on 3G is provided more; This data sink receives the extraneous data after data transmission device data encapsulation of the present invention is handled; And, guaranteed reliability of data transmission by the order buffer memory and the extraneous data of reducing of wrapping sequence number.
The technical problem that the present invention also will solve is: provide a kind of and block the communication system of binding based on 3G more, this system has comprised data transmission device of the present invention and data sink, has satisfied the demand through the big data on flows of 3G network transmission.
In order to solve the problems of the technologies described above, the technical scheme that the present invention adopted is:
A kind of data transmission device that blocks binding based on 3G more; Comprise first data reception module that receives extraneous data through wired; The extraneous data that receive are carried out the data encapsulation module of data encapsulation by predefined agreement; Also comprise two above 3G network interface card modules; Said a plurality of 3G network interface card module is connected with a 3G network interface card control module of each 3G network interface card Module Links state of monitoring in real time jointly; The output of said data encapsulation module is connected with a data distribution module, and said data distribution module receives the linking status signal of each 3G network interface card module that monitors from 3G network interface card control module and the extraneous data after data encapsulation are distributed to 3G network interface card module.
Further as preferred embodiment, saidly carry out data encapsulation by predefined agreement and comprise the operation that the extraneous data that receive is added packet header and bag sequence number.
Further as preferred embodiment, said extraneous data are the video packets of data that comprises IP packet header.
Further as preferred embodiment, said data distribution module is all given each online 3G network interface card module according to the linking status signal of each 3G network interface card module with the extraneous data after data encapsulation.
A kind of data sink that blocks binding based on 3G more; Comprise that one receives second data reception module of extraneous data through wired; The extraneous data that receive are carried out the packet header detection module that packet header is detected, and said packet header detection module is connected with sort buffer memory and delete the packet header of these external world's data and the data memory module of bag sequence number of a bag sequence number according to the extraneous data that receive.
Further as preferred embodiment, said second data reception module also is connected with the data forwarding module that a pair of packet header and the inconsistent extraneous data of predefine agreement are transmitted.
A kind of communication system of blocking binding based on 3G more; Comprise data transmission device of the present invention and data sink, the 3G network interface card module in the said data transmission device communicates through the 3G network and second data reception module in the said data sink and is connected.
Further as preferred embodiment, first data reception module of said data transmission device receives extraneous data through twisted-pair feeder and/or wireless WIFI.
Further as preferred embodiment, said extraneous data are the video packets of data that comprises IP packet header.
The invention has the beneficial effects as follows: the extraneous data that data transmission device of the present invention will receive are carried out data encapsulation by predefined agreement; And will the extraneous data after data encapsulation is handled be distributed in a plurality of 3G network interface card modules and send, satisfied demand through the big data on flows of 3G network transmission; Data sink of the present invention will carry out packet header through the extraneous data that 3G network passes over and detect, and judge and then comply with bag sequence number buffer-stored and reduction through extraneous data if meet predefined packet header, guarantee to receive the reliability and stability of data; The present invention is based on 3G and block the communication system of binding more; Significantly promote through data transmission device and data sink ability the 3G network Data transmission; And solved time delay of data transmission shake in the 3G network practical application, packet loss and problem such as out of order, make 3G network under application-specific scenes such as emergent live or commander, to satisfy the requirement of transmitting multi-medium datas such as video data.
Description of drawings
Be described further below in conjunction with the accompanying drawing specific embodiments of the invention:
Fig. 1 the present invention is based on the functional-block diagram that 3G blocks the data transmission device of binding more;
Fig. 2 is the structural representation of the data encapsulation of predefine agreement of the present invention;
Fig. 3 the present invention is based on the functional-block diagram that 3G blocks the data sink of binding more;
Fig. 4 the present invention is based on the structural representation that 3G blocks the communication system of binding more.
Embodiment
The present invention is based on 3G and block the transfer of data/receiving system and the communication system of binding more, cardinal principle is that the extraneous data that data transmission device will receive are carried out data encapsulation and transmitted data through many 3G network interface card modules by predefined agreement; In data sink, through by the predefine agreement to packet sort conciliate encapsulation process after, reduce original extraneous data.
With reference to Fig. 1; A kind of data transmission device that blocks binding based on 3G more; Comprise first data reception module 11 that receives extraneous data through wired; The extraneous data that receive are carried out the data encapsulation module 12 of data encapsulation by predefined agreement; Also comprise two above 3G network interface card modules 15; Said a plurality of 3G network interface card module 15 is connected with a 3G network interface card control module 14 of each 3G network interface card module 15 linking status of monitoring in real time jointly, and the output of said data encapsulation module 12 is connected with a data distribution module 13, and said data distribution module 13 receives the linking status signal of each 3G network interface card module 15 that monitors from 3G network interface card control module 14 and the extraneous data after data encapsulation are distributed to 3G network interface card module 15.
With reference to Fig. 4; First data reception module 11 in the data transmission device 10 can be RJ-45 port or WIFI port; First data reception module 11 both can receive the extraneous data that business device 1 provides through twisted-pair feeder 40; First data are received module 11 can also receive the extraneous data that provide from business device 3 through wireless WIFI network; It will be understood by those skilled in the art that first data reception module 11 can receive the data from business device through the wired of known technology.
Preferably, said extraneous data bit comprises the video packets of data in IP packet header, can also be other multi-medium data bags such as the VoP that comprises IP packet header, image data bag certainly.
With reference to Fig. 2; Saidly carry out data encapsulation by predefined agreement and comprise the operation that the extraneous data that receive is added packet header and bag sequence number; Give an example with video packets of data, the extraneous data after data encapsulation is handled comprise: IP packet header, packet header, bag sequence number and video data.
Further as preferred embodiment; Said data distribution module 13 is all given each online 3G network interface card module 15 according to the linking status signal of each 3G network interface card module 15 with the extraneous data after data encapsulation; Send in so extraneous data five equilibrium to online a plurality of 3G network interface card modules 15; Through the redundancy scheme of a plurality of communication ports, can satisfy the demand of emergency communication.
With reference to Fig. 3; A kind of data sink that blocks binding based on 3G more; Comprise that one receives second data reception module 31 of extraneous data through wired; The extraneous data that receive are carried out the packet header detection module 32 that packet header is detected, and packet header and predefine agreement that said packet header detection module 32 will receive extraneous data compare, if unanimity is then read the bag sequence number; Sort buffer memory and delete the packet header of these external world's data and the data memory module 33 of bag sequence number of the bag sequence number according to the extraneous data that receive that is connected with said packet header detection module 32; The original extraneous data after the reduction have so promptly been obtained; Even in data transmission procedure; The shake of time delay of data transmission that 3G network causes, packet loss or problem such as out of order, data reception module can also be through and by the bag sequence number buffer-stored that sorts solving the matching ratio of packet header file and predefine agreement.After buffer depth in the data memory module 33 satisfied predetermined condition, the data of storage were exported to the decoding device of subordinate according to the mode of first in first out.
Further as preferred embodiment; When 32 pairs of packet header of packet header detection module and predefine agreement matching ratio after; If finding packet header and predefine agreement in these external world's data does not match; Then skip the frame structure of these external world's data is handled, should external world's data through the data forwarding module 34 direct forwardings that are connected with second data reception module 31.
With reference to Fig. 4; A kind of communication system of blocking binding based on 3G more; Comprise data transmission device of the present invention 10 and data sink 30, the 3G network interface card module 15 in the said data transmission device 10 communicates through the 3G network 20 and second data reception module 31 in the said data sink 30 and is connected.Said 3G network 20 is common network, is the GSM that combines through multimedia communications such as radio communication and Internets.
First data reception module 11 of said data transmission device 10 both can receive the extraneous data of uploading from business device 1 through twisted-pair feeder 40; Can also receive the extraneous data of uploading from business device 2 through wireless WIFI 50, perhaps receive the extraneous data uploaded from business device 1, receive the extraneous data of uploading from business device 2 through twisted-pair feeder 40 simultaneously through wireless WIFI 50.Data transmission device 10 of the present invention can receive the data that a plurality of business devices are uploaded simultaneously, and preferred, said extraneous data are the video packets of data that comprises IP packet header.Said business device can be multi-medium data collecting devices such as video camera.
The data that communication system of the present invention utilizes certain protocol that business device is uploaded split to different data channel sends; Through the common network transmission; Guarantee that data sink can correctly reduce initial data, overcome the data delay jitter that the common network transmission causes, packet loss and problem such as out of order.
More than be that preferable enforcement of the present invention is specified; But the invention is not limited to said embodiment; Those of ordinary skill in the art can also make all equivalent variations or replacement under the prerequisite of spirit of the present invention, distortion that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (9)
1. data transmission device that blocks binding based on 3G more; It is characterized in that: comprise first data reception module (11) that receives extraneous data through wired; The extraneous data that receive are carried out the data encapsulation module (12) of data encapsulation by predefined agreement; Also comprise two above 3G network interface card modules (15); Said a plurality of 3G network interface card modules (15) are connected with a 3G network interface card control module (14) of each 3G network interface card module (15) linking status of monitoring in real time jointly; The output of said data encapsulation module (12) is connected with a data distribution module (13), and said data distribution module (13) receives the linking status signal of each 3G network interface card module (15) that monitors from 3G network interface card control module (14) and the extraneous data after data encapsulation are distributed to 3G network interface card module (15).
2. data transmission device according to claim 1 is characterized in that: saidly carry out data encapsulation by predefined agreement and comprise the operation that the extraneous data that receive is added packet header and bag sequence number.
3. data transmission device according to claim 2 is characterized in that: said extraneous data are the video packets of data that comprises IP packet header.
4. according to claim 2 or 3 described data transmission devices, it is characterized in that: said data distribution module (13) is all given each online 3G network interface card module (15) according to the linking status signal of each 3G network interface card module (15) with the extraneous data after data encapsulation.
5. data sink that blocks binding based on 3G more; It is characterized in that: comprise that one receives second data reception module (31) of extraneous data through wired; The extraneous data that receive are carried out the packet header detection module (32) that packet header is detected, and said packet header detection module (32) is connected with sort buffer memory and delete the packet header of these external world's data and the data memory module (33) of bag sequence number of a bag sequence number according to the extraneous data that receive.
6. data sink according to claim 5 is characterized in that: said second data reception module (31) also is connected with the data forwarding module (34) that a pair of packet header and the inconsistent extraneous data of predefine agreement are transmitted.
7. communication system of blocking binding based on 3G more; It is characterized in that: comprise that like the arbitrary described data transmission device of claim 1 ~ 4 with like claim 5 or 6 described data sinks the 3G network interface card module (15) in the said data transmission device (10) communicates through 3G network (20) and second data reception module (31) in the said data sink (30) and is connected.
8. communication system of blocking binding based on 3G according to claim 7 is characterized in that more: first data reception module (11) of said data transmission device (10) receives extraneous data through twisted-pair feeder (40) and/or wireless WIFI (50).
9. communication system of blocking binding based on 3G according to claim 8 is characterized in that more: said extraneous data are the video packets of data that comprises IP packet header.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100421406A CN102595657A (en) | 2012-02-23 | 2012-02-23 | Data transmitting/receiving devices and communication system based on 3G multi-card binding. |
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| CN2012100421406A CN102595657A (en) | 2012-02-23 | 2012-02-23 | Data transmitting/receiving devices and communication system based on 3G multi-card binding. |
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| CN103516749A (en) * | 2012-06-21 | 2014-01-15 | 浙江大华技术股份有限公司 | Method and apparatus for multi-card sending-based data sending |
| CN105828419A (en) * | 2016-02-29 | 2016-08-03 | 南京步步高通信科技有限公司 | Mobile terminal and network connection control system |
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| CN102255884A (en) * | 2011-04-01 | 2011-11-23 | 宋健 | Multilink multi-channel transmission method and system for real-time audio and video signals of unreliable network |
| CN102346957A (en) * | 2010-07-30 | 2012-02-08 | 孙勉 | 3G multi-card multi-mode high speed wireless acquiring and transmitting apparatus |
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| CN2686223Y (en) * | 2004-02-10 | 2005-03-16 | 北京锐安科技有限公司 | Apparatus for real-time replacing internet data |
| CN101707615A (en) * | 2009-12-03 | 2010-05-12 | 武汉虹信通信技术有限责任公司 | Realization method of multilink video transmission based on public mobile communication |
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| CN103516749A (en) * | 2012-06-21 | 2014-01-15 | 浙江大华技术股份有限公司 | Method and apparatus for multi-card sending-based data sending |
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Application publication date: 20120718 |