CN103248687A - Access control method of vehicle-mounted intelligent terminal - Google Patents
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Abstract
The invention provides an access control method of a vehicle-mounted intelligent terminal. The access control method of the vehicle-mounted intelligent terminal comprises the steps as follows: a running state of a vehicle is detected, and signal strength of a wireless local area network and a mobile telecommunication network is detected; according to the running state of the vehicle and detected signal strength, one wireless access network is selected to establish wireless connection based on a default access control rule, and the wireless access network comprises the wireless local area network, the mobile telecommunication network and a vehicle private network; and the internet is accessed through the selected wireless access network, and data transceiving is performed with the vehicle networking service center.
Description
Technical field
The present invention relates to a kind of car networking technology, especially, relate to a kind of connection control method of vehicle intelligent terminal.
Background technology
Along with economic development automobile quantity rapidly increases, cause problems such as traffic jam, energy resource consumption and air pollution serious day by day, even if this feasible very flourishing country of road equipment also has to turn to technology and the method taking to supply, need two aspects to manage jointly improve the traffic problems that are becoming increasingly acute from the thoughtcast that only satisfies the demands by supply in the past.In this process, the concept of " intelligent transportation system " just progressively forms, and the car networking realizes an important technical of intelligent transportation just.
The elementary object of the development of car networking at present be implemented on the information network platform to the attribute information of all vehicles and quiet, multidate information extracts and effectively utilize, and according to different functional requirements the running status of all vehicles is effectively supervised and provided a kind of wireless network of integrated service.So, along with the research of vehicle-carrying communication technology and related application has had considerable progress, automobile again is not independent of beyond the communication network, and, benefit from development of wireless communication devices, can accomplish now with vehicle as a terminal terminal and service end to be connected to each other the composition network, such network just is referred to as the car networking.
In the existing car networking, vehicle is provided with vehicle intelligent terminal usually, and described vehicle intelligent terminal can be linked into the Internet by Radio Access Network, and communicates by the Internet and service centre.But, present vehicle intelligent terminal generally is linked into the Internet by mobile communications network, because vehicle operating is a dynamic process, in the place of vehicle operating to the mobile communications network poor signal, vehicle intelligent terminal possibly can't be linked into network, thereby causes vehicle can't obtain the car internet services.Present car networked system service reliability is not high.
Summary of the invention
For addressing the above problem, the invention provides a kind of connection control method with vehicle intelligent terminal of higher service reliability.
The connection control method of vehicle intelligent terminal provided by the invention comprises: detect the running status of vehicle, and detect the signal strength signal intensity of WLAN and mobile communications network; Running status and detected signal strength signal intensity according to described vehicle, select to set up wireless connections with a kind of Radio Access Network wherein according to default access control rule, wherein said Radio Access Network comprises described WLAN, described mobile communications network and vehicle private network; Be linked into the Internet by the Radio Access Network of selecting, and carry out data transmit-receive with car internet services center.
In connection control method one preferred embodiment of vehicle intelligent terminal provided by the invention, described connection control method also comprises: whether judge the signal strength signal intensity of described WLAN greater than first predetermined threshold value, and whether the signal strength signal intensity of judging described mobile communications network is greater than second predetermined threshold value.
In connection control method one preferred embodiment of vehicle intelligent terminal provided by the invention, described default access control rule comprises: remain static and the signal strength signal intensity of described WLAN is selected to set up wireless connections with described WLAN when surpassing first predetermined threshold value at described vehicle.
In connection control method one preferred embodiment of vehicle intelligent terminal provided by the invention, described default access control rule also comprises: remain static at described vehicle, the signal strength signal intensity of described WLAN is lower than described first predetermined threshold value and the signal strength signal intensity of described mobile communications network when surpassing described second predetermined threshold value, selects described mobile communications network to connect.
In connection control method one preferred embodiment of vehicle intelligent terminal provided by the invention, described default access control rule also comprises: select described mobile communications network to connect when the signal strength signal intensity that is in travel condition and described mobile communications network at described vehicle surpasses second predetermined threshold value.
In connection control method one preferred embodiment of vehicle intelligent terminal provided by the invention, described default access control rule also comprises: when the signal strength signal intensity that is lower than described first predetermined threshold value and described mobile communications network in the signal strength signal intensity of described WLAN is lower than described second predetermined threshold value, select the vehicle private network to connect.
In scheme provided by the invention, described vehicle intelligent terminal can and be taken all factors into consideration the signal quality of described WLAN and described mobile communications network according to the running status of described vehicle, automatically select suitable Radio Access Network to connect, thereby guarantee that described vehicle intelligent terminal is linked into the Internet smoothly, thereby obtain the car internet services that described car internet services center provides.Therefore, vehicle intelligent terminal provided by the invention and connection control method thereof have higher service reliability.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, 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, wherein:
Fig. 1 is the schematic diagram of a kind of embodiment of car networked system provided by the invention.
Fig. 2 is the schematic diagram of a kind of embodiment of vehicle intelligent terminal provided by the invention.
Fig. 3 is the schematic flow sheet of the connection control method of vehicle intelligent terminal shown in Figure 2.
Embodiment
To the technical scheme in the embodiment of the invention be clearly and completely described below, 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 belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
See also Fig. 1, it 1 is the schematic diagram of a kind of embodiment of car networked system provided by the invention.Described car networked system comprises vehicle 110, Radio Access Network 160～180, the Internet 130, car internet services center 140 and described content provider server 150-n (wherein, n=1,2,3,4).
Described vehicle 110 comprises vehicle intelligent terminal 111, described vehicle intelligent terminal 111 can be used as a network node, be linked into described the Internet 130 by described Radio Access Network 160～180, and establish a communications link with described car internet services center 140 and described content provider server 150-n; On the other hand, described vehicle intelligent terminal 111 also can be connected with described content provider server 150 by described Radio Access Network 160～180.
Wherein, described Radio Access Network 160～180 comprises WLAN 160, mobile communications network 170 and vehicle private network 180, described content provider server 150-n can comprise first content server 150-1, second content server 150-2, the 3rd content server 150-3 and the 4th content server 150-4, wherein said first content server 150-1 is connected to described the Internet 130, described second content server 150-2 is connected to described Radio Access Network 160, described the 3rd content server 150-3 is connected to described mobile communications network 170, and described the 4th content server 150-4 is connected to described vehicle private network 180.Described WLAN 160, described mobile communications network 170 and described vehicle private network 180 can offer the content service that connected content provider server 150 provides described vehicle 110 on the one hand, on the other hand, also described vehicle 110 further can be linked into described the Internet 130.
Vehicle intelligent terminal 111 inside of described vehicle 110 can be equipped with the wireless communication module corresponding with described WLAN 160, described mobile communications network 170 and described vehicle private network 180, and described vehicle intelligent terminal 111 can be according to preset rules or User Defined rule, and one of them carries out wireless connections to select described WLAN 160, described mobile communications network 170 and described vehicle private network 180.
When described vehicle 110 is connected to described WLAN 160, described vehicle intelligent terminal 111 is connected to the WAP (wireless access point) of described WLAN 160 by himself radio access module (such as the WIFI module), described WAP (wireless access point) can further insert described the Internet 130 by copper cash or optical fiber, is connected to described second content server 150-2 simultaneously.Thus, described vehicle 110 just can be linked into described the Internet 130, and carry out data transmit-receive by described the Internet 130 with described service centre 140 and the described first service server 150-1, thereby obtain the service that described service centre 140 and described first content server 150-1 provide, perhaps, directly carry out data transmit-receive with described second content server 150-2 by described WLAN 160, thereby obtain the content service that described second content server 150-2 provides.
When described vehicle 110 was connected to described mobile communications network 170, described vehicle intelligent terminal 111 connected with the mobile base station by the mobile communication module (such as 3G communication module or 4G communication module) of himself.Described mobile base station can be linked into operator's equipment of described mobile communications network 170 by private-line mode, and be connected with described the 3rd content server 150-3, therefore described vehicle 110 just can obtain the service based on described mobile communications network 170 (such as voice communications services or short message service) that mobile operator provides by connecting described mobile communications network 170, and obtains the content service that described the 3rd content server 150-3 provides simultaneously.And, owing to also be intercommunication between described mobile communications network 170 and the described the Internet 130, therefore described vehicle 110 can further be linked into described the Internet 130 by described mobile communications network 170, and carry out data transmit-receive by described the Internet 130 with described service centre 140 and the described first service server 150-1, thereby obtain the service that described service centre 140 and described first content server 150-1 provide.
When described vehicle 110 was connected to described vehicle private network 180, described vehicle intelligent terminal 111 connected into multi-hop, acentric, ad hoc deployed wireless networks by himself private network communication module and other vehicles or roadside access point.Simultaneously, described roadside access point can be connected to described the 4th content server 150-4, is linked into described the Internet 130 by wired mode simultaneously.Thus, described vehicle 110 just can carry out data transmit-receive with described service centre 140 and the described first service server 150-1 by described the Internet 130, thereby obtains the service that described service centre 140 and described first content server 150-1 provide; Perhaps, thus directly carry out data transmit-receive with described the 4th content server 150-4 by described vehicle private network 180 and obtain the content service that described the 4th content server 150-4 provides.
As mentioned above, described vehicle intelligent terminal 111 can be according to preset rules or User Defined rule, one of them carries out wireless connections to select described WLAN 160, described mobile communications network 170 and described vehicle private network 180, and namely described vehicle intelligent terminal 111 can adopt dynamic connection control method.Described preset rules can be as follows:
(1) connects in the described WLAN 160 of the preferential selection of vehicle stationary state, and connect at the described mobile communications network 170 of the preferential selection of vehicle travel condition;
(2) remain static but the signal(l)ing condition of described WLAN 160 when not good at described vehicle, select described mobile communications network 170 to connect;
(3) when the signal of described WLAN 160 and described mobile communications network 170 is all not good, no matter travel condition of vehicle selects described vehicle private network 180 to connect.
For realizing above-mentioned switching law, in one embodiment, described vehicle intelligent terminal 111 can adopt structure as shown in Figure 2, see also Fig. 2, described vehicle intelligent terminal 111 can comprise processor 310, mobile communication module 320, radio access module 330, signal detection module 340 and running status detection module 350, wherein, described signal detection module 340 and running status detection module 350 are connected to described processor 310, and described processor 310 further is connected to described mobile communication module 320 and described radio access module 330.And, seeing also Fig. 3, can may further comprise the steps based on the connection control method of the vehicle intelligent terminal 111 of above-mentioned switching law:
Step S1 detects the running status of vehicle, and detects the signal strength signal intensity of WLAN and mobile communications network;
Particularly, on the one hand, the running status detection module 350 of described vehicle intelligent terminal 111 can be by the operating rate of monitoring described vehicle 110 or the operating condition of monitoring the engine running of described vehicle 110, determine the running status of described vehicle 110, and the running state information of described vehicle 110 is offered described processor 310.Described running status remains static when being specially described vehicle 110 or is in travel condition.
On the other hand, described signal detection module 340 can be in real time or is periodically detected the signal strength signal intensity of described WLAN 160 and described mobile communications network 170, and detected signal strength information is offered described processor 310.
Whether step S2 judges the signal strength signal intensity of described WLAN greater than first predetermined threshold value, and whether the signal strength signal intensity of judging described mobile communications network is greater than second predetermined threshold value;
Wherein, described processor 310 can be according to described signal detection module 340 detected signal strength informations, whether judge the signal strength signal intensity of described WLAN 160 greater than first predetermined threshold value, wherein said first predetermined threshold value is a preferable reference value of signal strength signal intensity of the described WLAN 160 of expression.In addition, described processor 310 can also be judged the signal strength signal intensity of described mobile communications network 170 simultaneously whether greater than second predetermined threshold value, and wherein first predetermined threshold value is a preferable reference value of signal strength signal intensity of the described mobile communications network 170 of expression.On specific implementation, described first predetermined threshold value can be set to a little more than described second predetermined threshold value.
Step S3 remains static and the signal strength signal intensity of described WLAN is selected to set up wireless connections with described WLAN when surpassing first predetermined threshold value at described vehicle;
The running state information that provides according to described running status detection module 350 at described processor 310 is judged at described vehicle 110 and is remained static, and when surpassing first predetermined threshold value according to the signal strength signal intensity that described signal detection module 340 detected signal strength informations are judged described WLAN 160, described processor 310 can select described WLAN 160 to connect, and namely the described WLAN 160 of preferential selection connects when described vehicle 110 remains static.Particularly, described processor 310 can issue link order to described radio access module 330, indicates described radio access module 330 to set up radio communication with described WLAN 160 and is connected.Simultaneously, described processor 310 can also issue open command to described mobile communication module 320, indicates described mobile communication module 320 to disconnect and is connected with the radio communication of described mobile communications network 170.
Step S4, remain static at described vehicle, the signal strength signal intensity of described WLAN is lower than described first predetermined threshold value and the signal strength signal intensity of described mobile communications network when surpassing described second predetermined threshold value, selects described mobile communications network to connect;
Judge at described vehicle 110 at described processor 310 and to remain static, and the signal strength signal intensity of judging described WLAN 160 according to described signal detection module 340 detected signal strength informations is lower than described first predetermined threshold value, and the signal strength signal intensity of described mobile communications network 170 is when surpassing second predetermined threshold value, and described processor 310 can select described mobile communications network 170 to connect.Particularly, described processor 310 can issue link order to described mobile communication module 320, indicates described mobile communication module 320 to set up radio communication with described moving communication network 170 and is connected.Simultaneously, described processor 310 can also issue open command to described radio access module 330, indicates described radio access module 330 to disconnect and is connected with the radio communication of described WLAN 160.
Step S5 selects described mobile communications network to connect when the signal strength signal intensity that is in travel condition and described mobile communications network at described vehicle surpasses second predetermined threshold value;
The running state information that provides according to described running status detection module 350 at described processor 310 is judged at described vehicle 110 and is in running status, and when surpassing second predetermined threshold value according to the signal strength signal intensity that described signal detection module 340 detected signal strength informations are judged described mobile communications network 170, described processor 310 can select described mobile communications network 170 to connect, namely the described mobile communications network 170 of preferential selection connects when described vehicle 110 is in travel condition, specifically connects the associated description that control mode sees also step S4.
Step S6 when the signal strength signal intensity that is lower than described first predetermined threshold value and described mobile communications network in the signal strength signal intensity of described WLAN is lower than described second predetermined threshold value, selects the vehicle private network to connect.
At described processor 310 according to described signal detection module 340 detected signal strength informations, when the signal quality of judging described Radio Access Network 160 and described mobile communications network 170 is high, the signal formidable opponent who is described Radio Access Network 160 is lower than described first predetermined threshold value, and the signal strength signal intensity of described mobile communications network 170 is when surpassing second predetermined threshold value, described processor 310 can send open command to described mobile communication module 320 and described radio access module 330, indicates the two to disconnect wireless connections with described mobile communications network 170 and described Radio Access Network 160 respectively; In addition, described processor 310 can also pass through control command, controls described vehicle intelligent terminal 111 with described
When the signal strength signal intensity that is lower than described first predetermined threshold value and described mobile communications network 170 in the signal strength signal intensity of described WLAN 160 is lower than described second predetermined threshold value, select described vehicle private network 180 to be connected to described vehicle private network 180.
Step S7 is linked into the Internet by mobile communications network, WLAN or the vehicle private network of selecting, and carries out data transmit-receive with car internet services center.
After described vehicle intelligent terminal 111 and described WLAN 160, described mobile communications network 170 or described vehicle private network 180 are set up wireless connections, described vehicle intelligent terminal 111 just can be linked into described the Internet 130 by described WLAN 160, described mobile communications network 170 or described vehicle private network 180, and carries out data transmit-receive by described the Internet 130 with described car internet services center 140.
In scheme provided by the invention, described vehicle intelligent terminal 111 can and be taken all factors into consideration the signal quality of described WLAN 160 and described mobile communications network 170 according to the running status of described vehicle 110, automatically select suitable Radio Access Network to connect, thereby guarantee that described vehicle intelligent terminal 111 is linked into the Internet smoothly, thereby obtain the car internet services that described car internet services center 140 provides.Therefore, vehicle intelligent terminal provided by the invention and connection control method thereof have higher service reliability.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (6)
1. the connection control method of a vehicle intelligent terminal is characterized in that, comprising:
Detect the running status of vehicle, and detect the signal strength signal intensity of WLAN and mobile communications network;
Running status and detected signal strength signal intensity according to described vehicle, select to set up wireless connections with a kind of Radio Access Network wherein according to default access control rule, wherein said Radio Access Network comprises described WLAN, described mobile communications network and vehicle private network;
Be linked into the Internet by the Radio Access Network of selecting, and carry out data transmit-receive with car internet services center.
2. method according to claim 1 is characterized in that, also comprises: whether judge the signal strength signal intensity of described WLAN greater than first predetermined threshold value, and whether the signal strength signal intensity of judging described mobile communications network is greater than second predetermined threshold value.
3. method according to claim 2, it is characterized in that described default access control rule comprises: remain static and the signal strength signal intensity of described WLAN is selected to set up wireless connections with described WLAN when surpassing first predetermined threshold value at described vehicle.
4. method according to claim 3, it is characterized in that, described default access control rule also comprises: remain static at described vehicle, the signal strength signal intensity of described WLAN is lower than described first predetermined threshold value and the signal strength signal intensity of described mobile communications network when surpassing described second predetermined threshold value, selects described mobile communications network to connect.
5. method according to claim 4, it is characterized in that described default access control rule also comprises: select described mobile communications network to connect when the signal strength signal intensity that is in travel condition and described mobile communications network at described vehicle surpasses second predetermined threshold value.
6. method according to claim 5, it is characterized in that, described default access control rule also comprises: when the signal strength signal intensity that is lower than described first predetermined threshold value and described mobile communications network in the signal strength signal intensity of described WLAN is lower than described second predetermined threshold value, select the vehicle private network to connect.
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| CN107920365A (en) * | 2016-10-11 | 2018-04-17 | 中兴通讯股份有限公司 | The shunt method and device of a kind of converged network |
| CN109246781A (en) * | 2018-09-27 | 2019-01-18 | 惠州Tcl移动通信有限公司 | A kind of method based on signal strength output information, storage equipment and intelligent terminal |
| CN109714731A (en) * | 2018-12-11 | 2019-05-03 | 北京梧桐车联科技有限责任公司 | Service sharing method and device and storage medium between vehicle |
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| CN104754638A (en) * | 2013-12-27 | 2015-07-01 | 中国移动通信集团公司 | Communication method and corresponding equipment |
| CN103747475A (en) * | 2014-02-13 | 2014-04-23 | 闪灵在线网络技术（北京）有限公司 | WIFI (Wireless Fidelity) terminal operation and maintenance method and system based on mesh network and p2p (Peer-to-Peer) technology |
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| CN105491109A (en) * | 2015-11-20 | 2016-04-13 | 北京新能源汽车股份有限公司 | Terminal for the Internet of vehicles and vehicle |
| CN107920365A (en) * | 2016-10-11 | 2018-04-17 | 中兴通讯股份有限公司 | The shunt method and device of a kind of converged network |
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| CN111818618B (en) * | 2019-04-12 | 2022-03-08 | 华为云计算技术有限公司 | Communication network determination method, device and system |
| CN111866805A (en) * | 2019-04-29 | 2020-10-30 | 北京车和家信息技术有限公司 | Network card selection method and device for vehicle-mounted machine system |
| CN111866805B (en) * | 2019-04-29 | 2023-02-17 | 北京车和家信息技术有限公司 | Network card selection method and device of vehicle-mounted machine system and storage medium |
| CN113345209A (en) * | 2021-04-25 | 2021-09-03 | 深圳市广通远驰科技有限公司 | Vehicle-mounted alarm method, system, electronic equipment and storage medium |
| CN114666364A (en) * | 2022-03-10 | 2022-06-24 | 中国第一汽车股份有限公司 | Vehicle-mounted internet access method and device based on Portal authentication network and vehicle |
| CN115278605A (en) * | 2022-07-13 | 2022-11-01 | 智行天下环保科技(深圳)有限公司 | Vehicle data transmission method and device |
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