CN103442380A - Intelligent transmission link selection method and system - Google Patents
Intelligent transmission link selection method and system Download PDFInfo
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- CN103442380A CN103442380A CN2013103824742A CN201310382474A CN103442380A CN 103442380 A CN103442380 A CN 103442380A CN 2013103824742 A CN2013103824742 A CN 2013103824742A CN 201310382474 A CN201310382474 A CN 201310382474A CN 103442380 A CN103442380 A CN 103442380A
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Abstract
The invention relates to the technical field of communication and discloses an intelligent transmission link selection system. The intelligent transmission link selection system comprises a network transmission module and a main intelligent transmission link selection system, wherein the network transmission module is used for data interaction between a user terminal and a network end, the main intelligent transmission link selection system comprises a transmission link detection module and a transmission link selection module, the transmission link detection module is used for detecting the condition of each transmission link, the transmission link selection module is used for selecting an appropriate transmission link, and data of the user terminal or the network end are transmitted through the selected appropriate transmission link. Due to the fact that the transmission link which is strong in signal or small in number of data packets to be transmitted is selected from all the transmission links for data transmission, stability and reliability of data transmission are improved.
Description
Technical field
The present invention relates to Cellular Networks and WLAN communication technical field, relate in particular to the method and system that a kind of intelligent transmission link is selected.
Background technology
?mobile router is to increase wireless transport module such as LTE module (Long Term Evolution outside the Wi-Fi of former wireless router access module again, Long Term Evolution), the user is by Wi-Fi access module access mobile router, the LTE module of mobile router is converted to the LTE signal data by user data, and carry out Wireless Data Transmission between cellular network WCDMA, CDMA2000 by operator, TD-SCDMA etc. and base station, base station is again and carry out wire transmission between network.The Wi-Fi function that has mobile router can realize sharing online, as long as mobile phone, computer etc. just can access mobile router with the Wi-Fi function, mobile router passes through the wireless transport module of himself such as LTE module access Internet, and the appearance of mobile router brings great convenience to the user.Mobile Wi-Fi technology like this is particluarly suitable for using on the mobile devices such as bus, train, high ferro, subway.
Yet, due to the physical location meeting fast moving of bus, train, high ferro, subway etc., cause the signal in cellular network often to occur significantly changing, the cellular transmission link is very unstable, easy situation about occurring off and on.When the cellular transmission link down, the user can't serve by the transmission link access destination, thereby cause service disruption, and the user experiences poor.For example, on bus, N user, by a mobile router access Internet, when its LTE transmission link interrupts, will cause the Internet service disruption of all users under this mobile router.And, when state appears continuing off and in the LTE transmission link, will cause user Internet to serve and can not use fully.
Summary of the invention
The objective of the invention is to interrupt causing for transmission link in prior art the technical problem of all user's service disruption, a kind of method that provides intelligent transmission link to select, select the link that in transmission link, signal is good or the data to be transmitted bag is few to carry out transfer of data, improved stability and the reliability of transfer of data.The invention also discloses the system that realizes that this intelligent transmission link is selected.
Purpose of the present invention realizes by following technical proposals:
The system that a kind of intelligent transmission link is selected, it specifically comprises network transmission module and intelligent transmission link selective system, described network transmission module is for the data interaction of user terminal and network terminal, described intelligent transmission link selective system comprises transmission link detection module and transmission link selection module, and described transmission link detection module is for detection of the situation of each transmission link; Described transmission link selects module for selecting suitable transmission link, and the data of user terminal or network terminal are transmitted by selected suitable transmission link.The data of user terminal or network terminal are all transmitted by selected suitable transmission link, have ensured the stable of system.
Further, above-mentioned network transmission module comprises first network transport module and second network transport module, described intelligent transmission link selective system divides level signal to be connected with each network transmission module, between each second network transport module and network terminal, is a transmission link; Described first network transport module, for receiving the access information of user terminal, the data of user terminal are sent to intelligent transmission link selective system, and the data of the network terminal that intelligent transmission link selective system is received sends to user terminal; Described second network transport module is used for the data of user terminal are transferred to network terminal by selected transmission link, and gives intelligent transmission link selective system by the transfer of data of the network terminal of reception; After the selected transmission link of intelligence transmission link selective system, the data of user terminal are sent to the second network transport module on selected transmission link; The second network transport module is transferred to network terminal by the data of user terminal by selected transmission link.With two network transmission modules, a data interaction for user terminal and intelligent transmission link selective system, a data interaction for network terminal and intelligent transmission link selective system, separately realize the function that it is single, two network transmission modules can be identical can be not identical yet
Further, above-mentioned first network transport module is Wi-Fi module, cellular module or wire transmission module.Wi-Fi module emission Wi-Fi signal, user terminal accesses the Wi-Fi module by the mode of wireless Wi-Fi.User terminal can also adopt the mode of 3G radio communication to access the access that cellular module is realized user terminal.User terminal is such as computer can access its wire transmission module by netting twine in addition.
Further, above-mentioned second network transport module is Wi-Fi module, cellular module or wire transmission module.Wi-Fi module emission Wi-Fi signal, can send to network terminal by the data of user terminal by the Wi-Fi signal.The mode that similarly, can also adopt 3G radio communication base station by cellular module etc. sends to network terminal.User terminal is such as computer can transfer data to network terminal by netting twine in addition.
Further, above-mentioned suitable transmission link is one or is greater than one.Generally, a suitable transmission link gets final product, more when the transmission link free time, or can select a plurality of transmission links to transmit identical data when guaranteeing more fully system stable simultaneously.
Further, above-mentioned intelligent transmission link selective system also comprises the message judge module, when selecting two or more suitable transmission links, start the message judge module, abandon first message other messages in addition of identical message, and first message that will receive sends to destination address.When two or more suitable transmission links transmit same message, after receiving, by identical packet loss, avoid repeating receiving.
Further, above-mentioned suitable transmission link can be that transmission link, the data to be transmitted amount that signal strength signal intensity is greater than signal strength threshold is less than the transmission link of data volume threshold value or unobstructed transmission link.The selected mode of suitable transmission link can be set as required flexibly, and the selection of threshold value is also selected according to different application.
Further, said system comprises two intelligent transmission link selective systems, and one sends to the data of user terminal for selection the first transmission link of network terminal, and one for selecting the data of network terminal are sent to the second transmission link of user terminal.Two intelligent transmission link selective systems, first transmission link of selecting family terminal to network end, select second transmission link of network terminal to user terminal for one, the transmission link that comes and goes data adopts two different intelligent transmission link selective systems to select respectively, to be suitable for transmission link, is exceedingly fast in the situation changed.
Further, the situation that above-mentioned transmission link detection module is regularly detection or each transmission link of detection trigger.Upgrade the transmission link table after regularly detecting, be applicable to transmission link and change very fast or the more situation of transfer of data, detection trigger is applicable to transmission link and changes slow or the less situation of transfer of data.Different situations is selected different detection modes, has further improved the efficiency of system.
The invention also discloses a kind of method that intelligent transmission link is selected, it specifically comprises the following steps: user terminal initiation request, access its corresponding network transmission module, corresponding network transmission module sends to intelligent transmission link selective system by the data of user terminal, intelligence transmission link selective system is according to selected one or more transmission link of the situation of each transmission link, intelligence transmission link selective system sends to the network transmission module on selected transmission link by the data of user terminal, by selected transmission link, the data of user terminal are sent to network terminal.By said method, realized the selection of intelligent transmission link, select suitable transmission link transmission data according to the situation of each transmission link.
Cross and adopt above technical scheme, the beneficial effect that the present invention exists is: set transmission link resource, when part transmission link situation is poor, by the link selection system, reduce the traffic load of this link, data message is transferred to situation preferably on transmission link, and balanced link load, effectively reduce because the unicast link circuit condition descends on the impact of network.
The accompanying drawing explanation
The flow chart that Fig. 1 is intelligent transmission link system of selection of the present invention.
Fig. 2 for arranging the structure chart of two intelligent transmission link selective systems on high ferro.
The functional module framework figure that Fig. 3 is intelligent transmission link selective system.
Return link in Figure of description refers to selected transmission link.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with Figure of description.
The flow chart of the method that of the present invention intelligent transmission link is as shown in Figure 1 selected.The invention discloses a kind of method that intelligent transmission link is selected, it specifically comprises the following steps: a kind of method that intelligent transmission link is selected, it specifically comprises the following steps: step S101, after each Wi-Fi module receives the access information of user terminal, user's upstream data is sent to intelligent transmission link selective system; Step S201, intelligent transmission link selective system comprises transmission link detection module and transmission link selection module, described transmission link detection module is for detection of the situation of each transmission link; Described transmission link selects module for selecting suitable transmission link; Step S301, be a transmission link between each LTE module and base station, after the selected transmission link of intelligent transmission link selective system, user's upstream data sent to the LTE module on selected transmission link; Step S401, the LTE module is transferred to base station by user's upstream data by selected transmission link; Step S501, base station is transferred to the LTE module by transmission link after receiving the downlink data of network, the LTE module is transferred to intelligent transmission link selective system, the intelligence transmission link selective system Wi-Fi module that downlink data transmission is corresponding to user terminal, send it back user terminal by the Wi-Fi module.The present invention is by arranging intelligent transmission link selective system, the signal intelligence of all LTE modules and the transmission link between base station is detected, the access information of the user terminal that the Wi-Fi module is received selects suitable transmission link to be transmitted, all telex networks that avoiding in a transmission link has no progeny is connected on the Wi-Fi module are interrupted, its advantage is to gather the transmission link resource, when part transmission link situation is poor, by intelligent transmission link selective system, reduce the traffic load of this link, data message is transferred to situation preferably on transmission link, balanced link load, effectively reduce because the unicast link circuit condition descends on the impact of network.
One of them embodiment
Two mobile routers are installed on bus, be called the first mobile router and the second mobile router, a Wi-Fi module and a LTE module are arranged respectively on each mobile router, it is called to a Wi-Fi module, the 2nd Wi-Fi module and a LTE module and the 2nd LTE module.
In prior art, after user terminal access the one Wi-Fi module access, its inevitable choice the one LTE module sends to base station by data, after in like manner user terminal access the 2nd Wi-Fi module access, its also inevitable choice the 2nd LTE module data are sent to base station, these two mobile routers work alone respectively.When the communication conditions of the transmission link between one of them LTE module and base station is poor, its all communication that is connected to the user terminal on corresponding Wi-Fi module all can be affected, and because the fast moving of bus, between its LTE module and base station, cellular communications networks is original just very unstable, just makes user's experience very poor.
By being set, intelligent transmission link selective system solves this problem in the present invention.
After user terminal is by a Wi-Fi module access, the one Wi-Fi module sends to intelligent transmission link selective system by user data, transmission link detection module in intelligence transmission link selective system detects the situation of the transmission link between two LTE modules and base station, and forming the transmission link table, transmission link selects module to select suitable transmission link according to the transmission link table.Such as showing in the transmission link table that the transmission link 1 between a LTE module and base station has interrupted, and transmission link 2 communication conditions between the 2nd LTE module and base station are good, transmission link selects module can select the transmission link of transmission link 2 as this user terminal.The 2nd LTE module receives after the transmission data of base station by the transfer of intelligent transmission link selective system, and data are sent it back to a Wi-Fi module, and a Wi-Fi module transfers data to user terminal.
In the present embodiment, two transmission links are integrated, judged the signal intelligence of each transmission link, select the good or transmission link that data to be transmitted is few of signal strength signal intensity to be transmitted, make communication speed high, good communication quality.
One of them embodiment
On each compartment of train, N Wi-Fi module and M LTE module are installed, wherein the quantity of M and N can identical can be not identical yet, and the quantity of M and N is set according to the length in compartment, such as M and N can be set, all is greater than 3.Intelligence transmission link selective system is arranged on headstock.Intelligence transmission link selective system connects each Wi-Fi module and LTE module by wired or wireless mode.Set up a transmission link between each LTE module and base station, amount to M transmission link.Intelligence transmission link selective system can periodically detect the situation of M transmission link, and forms the transmission link table, also can detect the situation of each transmission link with triggering, forms the transmission link table.
After the upstream data of user terminal arrives intelligent transmission link selective system by one of them Wi-Fi module, intelligence transmission link selective system can be selected one of them suitable transmission link, the transmission link that also can simultaneously select to be greater than one carries out transfer of data, the number of transmission link can be at most all transmission links, and M transmission link transmits simultaneously.When selecting to be greater than the transmission link of, while such as two transmission links, transmitting same data message simultaneously, intelligence transmission link selective system is judged according to the message information received, abandon first message other messages in addition of identical message, and first message that will receive sends to this Wi-Fi module, by this Wi-Fi module, send to user terminal.Adopt a suitable transmission link or adopt a plurality of suitable transmission links to carry out transfer of data simultaneously, further having guaranteed the stability of system.
The present embodiment can for low speed or or automobile, up user terminal data and descending network data adopt same transmission link, this is because on automobile or low speed train, between the time difference of upstream data and downlink data transmission, base station can not change, the situation of transmission link changes less, therefore adopt an intelligent transmission link selective system to be arranged on automobile or train, gets final product.
One of them embodiment
Two intelligent transmission link selective systems are set on high ferro, and one is arranged on headstock, and a control centre that is arranged on network is called the intelligent transmission link selective system of headstock and the intelligent transmission link selective system of control centre.The intelligent transmission link selective system of headstock is for selecting the transmission tunnel of upstream data between honeycomb and base station, and the intelligent transmission link selective system of control centre is for selecting the transmission tunnel of downlink data between base station and Cellular Networks.Because the speed of service of high ferro is exceedingly fast, after transmitting uplink data completes, the situation of transmission link may change, so the time need to adopt other transmission link to send datagram.
A plurality of Wi-Fi modules of safety and LTE module on compartment, the intelligent transmission link selective system of headstock is identical with the mode of operation of above-mentioned two enforcements, at this, is not repeating.Difference is, after the high ferro motion, honeycomb with between the transmission link of base station may can not use or great change has occurred the signal(l)ing condition of transmission link, now, just need the other transmission link of employing that downlink data is sent to user terminal.
As shown in Figure 2, 3 honeycombs connect by 2 base stations and network, be called tunnel 1, tunnel 2 and tunnel 3, the IP address of 3 honeycombs is respectively IP1, IP2 and IP3, when the upstream data of client terminal sends to base station 1 by tunnel 1, and after sending to network by base station 1, the downlink data of its network sends to the intelligent transmission link selective system of control centre, the intelligent transmission link selective system of control centre judges the situation in each tunnel, select suitable transmission link, such as the situation according to tunnel is selected the transmission channel of tunnel 3 as the network downlink data, the intelligent transmission link selective system of control centre sends to base station 2 by the downlink data of network, base station 2 sends to honeycomb 3 by tunnel 3.According to the destination address be attached on message, obtaining is the downlink data of honeycomb 1, then honeycomb by this downlink data transmission the intelligent transmission link selective system to headstock.Follow-up process is identical with above-mentioned two embodiment, does not repeat them here.
The emphasis of the present embodiment is, at headstock and control centre place, intelligent transmission link selective system is set respectively, controls respectively the link selection of upstream data and the link selection of downlink data.The situation that is exceedingly fast and changes with cellular signal on the high ferro that adapts to high-speed cruising.
The invention also discloses the system of the method that realizes that above-mentioned intelligent transmission link is selected, it specifically comprises user terminal, the Wi-Fi module, the LTE module, base station, intelligence transmission link selective system, wireless connections between described user terminal and Wi-Fi module, the Wi-Fi module is for the access of user terminal, each Wi-Fi module is connected with intelligent transmission link selective system signal, each LTE module is connected with intelligent transmission link selective system signal, form transmission link between each LTE module and base station, described intelligent transmission link selective system is according to the situation of each link, give the suitable transmission link of each user terminal selecting.
The functional module framework figure of intelligent transmission link selective system as shown in Figure 3, it comprises transmission link detection module and transmission link selection module, described transmission link detection module is for detection of the situation of each transmission link; Described transmission link selects module for selecting suitable transmission link; After the selected transmission link of intelligence transmission link selective system, user's upstream data is sent to the LTE module on selected transmission link.
Given coefficient and parameter in the above embodiments; be to provide to those skilled in the art and realize or use of the present invention; the present invention does not limit and only gets aforementioned disclosed numerical value; without departing from the present invention in the case of the inventive idea; those skilled in the art can make various modifications or adjustment to above-described embodiment; thereby protection scope of the present invention do not limit by above-described embodiment, and it should be the maximum magnitude that meets the inventive features that claims mention.
Claims (10)
1. the system that intelligent transmission link is selected, it is characterized in that comprising network transmission module and intelligent transmission link selective system, described network transmission module is for the data interaction of user terminal and network terminal, described intelligent transmission link selective system comprises transmission link detection module and transmission link selection module, and described transmission link detection module is for detection of the situation of each transmission link; Described transmission link selects module for selecting suitable transmission link, and the data of user terminal or network terminal are transmitted by selected suitable transmission link.
2. the system that intelligent transmission link as claimed in claim 1 is selected, it is characterized in that described network transmission module comprises first network transport module and second network transport module, described intelligent transmission link selective system divides level signal to be connected with each network transmission module, between each second network transport module and network terminal, is a transmission link; Described first network transport module, for receiving the access information of user terminal, the data of user terminal are sent to intelligent transmission link selective system, and the data of the network terminal that intelligent transmission link selective system is received sends to user terminal; Described second network transport module is used for the data of user terminal are transferred to network terminal by selected transmission link, and gives intelligent transmission link selective system by the transfer of data of the network terminal of reception; After the selected transmission link of intelligence transmission link selective system, the data of user terminal are sent to the second network transport module on selected transmission link; The second network transport module is transferred to network terminal by the data of user terminal by selected transmission link.
3. the system that intelligent transmission link as claimed in claim 2 is selected, is characterized in that described first network transport module is Wi-Fi module, cellular module or wire transmission module.
4. as the system of claim 2 or 3 described intelligent transmission links selections, it is characterized in that described second network transport module is Wi-Fi module, cellular module or wire transmission module.
5. the system that intelligent transmission link as claimed in claim 1 is selected, is characterized in that described suitable transmission link is one or is greater than one.
6. the system that intelligent transmission link as claimed in claim 5 is selected, it is characterized in that described intelligent transmission link selective system also comprises the message judge module, when selecting two or more suitable transmission links, start the message judge module, abandon first message other messages in addition of identical message, and first message that will receive sends to destination address.
7. the system that intelligent transmission link claimed in claim 1 is selected, is characterized in that described suitable transmission link can be that transmission link, the data to be transmitted amount that signal strength signal intensity is greater than signal strength threshold is less than the transmission link of data volume threshold value or unobstructed transmission link.
8. the system of selecting as claim 1,2,3,5,6 or 7 described intelligent transmission links, it is characterized in that described system comprises two intelligent transmission link selective systems, one sends to the data of user terminal for selection the first transmission link of network terminal, and one for selecting the data of network terminal are sent to the second transmission link of user terminal.
9. the system of selecting as claim 1,2 or 7 described intelligent transmission links, is characterized in that described transmission link detection module detects for timing or the situation of each transmission link of detection trigger.
10. the method that intelligent transmission link is selected, it specifically comprises the following steps: user terminal initiation request, access its corresponding network transmission module, corresponding network transmission module sends to intelligent transmission link selective system by the data of user terminal, intelligence transmission link selective system is according to selected one or more transmission link of the situation of each transmission link, intelligence transmission link selective system sends to the network transmission module on selected transmission link by the data of user terminal, by selected transmission link, the data of user terminal is sent to network terminal.
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| CN107222299A (en) * | 2016-03-22 | 2017-09-29 | 掌赢信息科技（上海）有限公司 | A kind of data transmission method, system and electronic equipment |
| CN109479324A (en) * | 2015-05-01 | 2019-03-15 | 马维尔国际贸易有限公司 | Transmission opportunity ownership transfer and extension in wireless lan (wlan) |
| CN110868698A (en) * | 2019-10-08 | 2020-03-06 | 珠海众通乐行网络科技有限公司 | Load balancing method among multiple LTE modules in high-speed rail environment |
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| CN107222403A (en) * | 2016-03-22 | 2017-09-29 | 掌赢信息科技（上海）有限公司 | A kind of data transmission method, system and electronic equipment |
| CN107222299A (en) * | 2016-03-22 | 2017-09-29 | 掌赢信息科技（上海）有限公司 | A kind of data transmission method, system and electronic equipment |
| CN105871509A (en) * | 2016-03-25 | 2016-08-17 | 乐视控股（北京）有限公司 | Data transmission method and device |
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| CN113364639A (en) * | 2020-03-03 | 2021-09-07 | 成都鼎桥通信技术有限公司 | Transmission link switching method, system and device for small station |
| CN113364639B (en) * | 2020-03-03 | 2023-09-08 | 成都鼎桥通信技术有限公司 | Method, system and device for switching transmission links of small station |
| CN111405524A (en) * | 2020-03-25 | 2020-07-10 | 卡斯柯信号有限公司 | Multi-vehicle-ground wireless communication system and communication method thereof |
| CN111405524B (en) * | 2020-03-25 | 2022-07-12 | 卡斯柯信号有限公司 | Multi-vehicle-ground wireless communication system and communication method thereof |
| CN111726406A (en) * | 2020-06-16 | 2020-09-29 | 杭州涂鸦信息技术有限公司 | Data transmission method and related equipment |
| WO2022063186A1 (en) * | 2020-09-27 | 2022-03-31 | 展讯通信（上海）有限公司 | Transmission link switching method and related product |
| CN115914585A (en) * | 2022-11-04 | 2023-04-04 | 南京林业大学 | Comprehensive management system for satellite transmission of broadcast television |
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