CN103916418A - Wireless data transmission control method for vehicle remote monitoring system - Google Patents
Wireless data transmission control method for vehicle remote monitoring system Download PDFInfo
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Abstract
The invention provides a wireless data transmission control method for a vehicle remote monitoring system. In the wireless data transmission control method, the transmitted data information is classified according to a certain priority level, data information at a high priority level can be first transmitted, and thus storing some of the more important data information which ensures the safe operation of a vehicle in a high-priority buffer for first transmission can ensure the safe operation of the vehicle in real time. Data at the same priority level are transmitted in a last-in first-out way, so that the real-time performance of data transmission can be ensured. According to the invention, in the transmission of data information, the size of a data packet can be also adjusted in real time according to the quality of a wireless signal, the size of the data packet to be transmitted can be reduced while a wireless network signal is poor, and in this way, the error rate can be reduced and data lost can be effectively prevented; and the size of the data packet to be transmitted can be increased while a wireless network signal is good so that the data transmission rate is effectively improved.
Description
Technical field
The present invention relates to a kind of Wireless Data Transmission control method, particularly relate to a kind of Wireless Data Transmission control method for Research on Vehicle Remote Monitoring System Based on GPRS.
Background technology
Constantly perfect along with wireless communication technology, vehicle remote monitoring technology has also obtained develop rapidly.Mainly concentrate on the control of vehicle location and the monitoring of the state of vehicle own and information for the wireless monitoring terminal of transportation and communication in the market and grasp above, wherein the state of vehicle itself mainly comprises car body temperature, fuel-flow control, water tank temperature etc.Along with the development of technology and to the improving constantly of vehicle operating information requirements, require the data of automobile wireless monitor terminal transmission more and more.As the operating state in order to grasp in real time driver in car, detect whether fatigue driving of driver, image in driver's cabin, image information need to be passed to Research on Vehicle Remote Monitoring System Based on GPRS in real time, automobile wireless monitor terminal is by the outwards a large amount of data of transmission of wireless network like this.
But itself exists unsteadiness wireless communication technology, particularly, along with the impact of the factor such as load, the distance of terminal to base station of base station, signal is strong and weak and the fluctuation of channel data transmittability is violent, and the situation that signal connects disconnection also can often occur.Particularly, on the platform of the such movement of haulage vehicle, the impact that communication link is accepted vehicle mobile speed and communication base station switching frequently can become more unstable.Be subject to impact and the restriction of above factor, simply wireless communication technology is applied on vehicle remote monitoring, cannot meet the requirement of vehicle monitoring for real-time and data integrity, can often there is the problem of loss of data, loss of data will make the data of transmission become imperfect, and then likely can cause adverse effect to the safe operation of vehicle.Meanwhile, due to the fluctuation of wireless communication signal, in the time of poor signal, there will be the accumulation of mass data, the real-time that causes significant data to can not get transmitting timely with transfer of data reduces.Therefore be necessary to design a kind of Wireless Data Transmission control method that is applicable to moving vehicle, on moving vehicle, transmit real-time, the poor problem of integrality to solve existing wireless communications technology.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of Wireless Data Transmission control method for Research on Vehicle Remote Monitoring System Based on GPRS, on moving vehicle, transmit real-time, the poor problem of integrality for solving prior art existing wireless communications technology.
For achieving the above object and other relevant objects, the invention provides a kind of Wireless Data Transmission control method for Research on Vehicle Remote Monitoring System Based on GPRS, this Wireless Data Transmission control method is for the outside transmitting data information of wireless monitoring terminal on vehicle, and it comprises the steps: that the data message that first automobile wireless monitor terminal need to be transmitted classifies by certain priority; Corresponding buffering area is set in the MCU of automobile wireless monitor terminal by different classifications, the data message of point good class is stored into respectively in corresponding buffering area; When the data message of automobile wireless monitor terminal outwards sends, the data message that priority is high preferentially sends; Data in same buffer area send according to the order that last in, first out.
Preferably, first check the quality of wireless network signal when the data message of automobile wireless monitor terminal outwards sends, in the time that wireless network signal is poor, minimizing will send the size of packet, and in the time that wireless network signal is better, increase will send the size of packet.
Preferably, the data message that automobile wireless monitor terminal need to transmit is divided into alert data information, fault data information, trigger data information and routine data information four classes, and the priority of alert data information, fault data information, trigger data information, routine data information reduces successively.
As mentioned above, Wireless Data Transmission control method for Research on Vehicle Remote Monitoring System Based on GPRS of the present invention has following beneficial effect: this wireless data conveyance control method is classified the data message of conveying by certain priority, the data message that priority level is high can preferentially send, therefore be stored in the buffering area that priority level is high and preferentially transmitted for data messages some outbalances, that guarantee vehicle safety operation, so just can be guaranteed the operation of vehicle actual time safety.Data in same buffer area send according to the order that last in, first out, have guaranteed the real-time of transfer of data.This wireless data conveyance control method also can be adjusted in real time data package size according to the quality of wireless signal in the time of data information transfer, when wireless network signal is poor, minimizing will send the size of packet, can reduce like this error rate, even Packet Generation failure, also only need to retransmit less packet, can effectively prevent loss of data; In the time that wireless network signal is better, increase will send the size of packet, thereby effectively improves the transmission rate of data.
Accompanying drawing explanation
Fig. 1 is that schematic diagram is carried in the storage of embodiment of the present invention data.
Embodiment
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification.The present invention can also be implemented or be applied by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
Refer to Fig. 1.It should be noted that, the diagram providing in the present embodiment only illustrates basic conception of the present invention in a schematic way, satisfy and only show with assembly relevant in the present invention in graphic but not component count, shape and size drafting while implementing according to reality, when its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
The invention provides a kind of Wireless Data Transmission control method for Research on Vehicle Remote Monitoring System Based on GPRS, this Wireless Data Transmission control method is for the outside transmitting data information of wireless monitoring terminal on vehicle.While adopting these data transfer control method transmission data, the data message that first automobile wireless monitor terminal need to be transmitted is classified by certain priority; Corresponding buffering area is set in the MCU of automobile wireless monitor terminal by different classifications, the data message of point good class is stored into respectively in corresponding buffering area; When the data message of automobile wireless monitor terminal outwards sends, the data message that priority is high preferentially sends; Data in same buffer area send according to the order that last in, first out.When the data message of automobile wireless monitor terminal outwards sends, first check the quality of wireless network signal, in the time that wireless network signal is poor, minimizing will send the size of packet, and in the time that wireless network signal is better, increase will send the size of packet.
As shown in Figure 1, for one embodiment of the invention, the data message that this embodiment need to transmit automobile wireless monitor terminal is divided into alert data information, fault data information, trigger data information and routine data information four classes, and the priority of alert data information, fault data information, trigger data information, routine data information reduces successively.Alert data information is mainly predefined warning and for describing the additional information of alarm condition, the warning as stolen in vehicle of reporting to the police, overspeed of vehicle are reported to the police, fatigue driving is reported to the police, and additional information is as the speed of a motor vehicle, GPS locating information, Fuel Oil Remaining.Fault data information is mainly the diagnostic trouble code that automobile electronic system middle controller sends.Trigger data information is mainly the data message that in vehicle operating process, specific thing triggers, as the GPS locating information of the stolen rear triggering of vehicle, and the information such as engine speed, cooling water temperature that engine temperature triggers during higher than prescribed threshold.General data information when routine data is vehicle operating, as the speed of a motor vehicle, GPS position, car body temperature, fuel-flow control, water tank temperature etc.
According to the classification of data message, corresponding buffering area P1, P2, P3, P4 are set in the MCU of automobile wireless monitor terminal, alert data information is stored in P1 data buffer area, fault data information is stored in P2 data buffer area, trigger data information is stored in P3 data buffer area, and routine data information is stored in P4 data buffer area.In buffering area P1, P2, P3, P4, data message priority reduces successively.
In the time carrying out transfer of data, data message forms packet by data management system and outwards sends, and the data message that priority is high preferentially sends, and the data in same buffer area send according to the order that last in, first out.In the time outwards sending data, should first check the quality of 3G/GPRS wireless network signal, in the time that wireless network signal is poor, minimizing will send the size of packet, can reduce like this error rate, even Packet Generation failure, also only need to retransmit less packet, can effectively prevent loss of data; In the time that wireless network signal is better, increase will send the size of packet, and in the time that wireless network signal is better, increase will send the size of packet, thereby effectively improves the transmission rate of data.
This wireless data conveyance control method is classified the data message of conveying by certain priority, the data message that priority level is high can preferentially send, therefore be stored in the buffering area that priority level is high and preferentially transmitted for data messages some outbalances, that guarantee vehicle safety operation, so just can be guaranteed the operation of vehicle actual time safety.This Wireless Data Transmission control method is transmitted according to the order that last in, first out the data in same buffer area, and what guaranteed so current transmission is all up-to-date data, thereby has guaranteed the real-time of transfer of data.This wireless data conveyance control method also can be adjusted in real time data package size according to the quality of wireless signal in the time of data information transfer, when wireless network signal is poor, minimizing will send the size of packet, can reduce like this error rate, even Packet Generation failure, also only need to retransmit less packet, can effectively prevent loss of data; In the time that wireless network signal is better, increase will send the size of packet, thereby effectively improves the transmission rate of data.So the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (3)
1. for a Wireless Data Transmission control method for Research on Vehicle Remote Monitoring System Based on GPRS, this Wireless Data Transmission control method is used for the outside transmitting data information of wireless monitoring terminal on vehicle, it is characterized in that, it comprises the steps:
The data message that first automobile wireless monitor terminal need to be transmitted is classified by certain priority;
Corresponding buffering area is set in the MCU of automobile wireless monitor terminal by different classifications, the data message of point good class is stored into respectively in corresponding buffering area;
When the data message of automobile wireless monitor terminal outwards sends, the data message that priority is high preferentially sends; Data in same buffer area send according to the order that last in, first out.
2. the Wireless Data Transmission control method for Research on Vehicle Remote Monitoring System Based on GPRS according to claim 1, it is characterized in that: the quality that first checks wireless network signal when the data message of automobile wireless monitor terminal outwards sends, in the time that wireless network signal is poor, minimizing will send the size of packet, in the time that wireless network signal is better, increase will send the size of packet.
3. the Wireless Data Transmission control method for Research on Vehicle Remote Monitoring System Based on GPRS according to claim 1, it is characterized in that: the data message that automobile wireless monitor terminal need to transmit is divided into alert data information, fault data information, trigger data information and routine data information four classes, and the priority of alert data information, fault data information, trigger data information, routine data information reduces successively.
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| CN104580469A (en) * | 2015-01-12 | 2015-04-29 | 深圳楼兰辉煌科技有限公司 | Vehicle networking system based on file queue storage and transmission |
| CN104579882A (en) * | 2014-12-26 | 2015-04-29 | 珠海格力电器股份有限公司 | CAN (controller area network) and WiFi (wireless fidelity) data communication device and communication method |
| CN104767814A (en) * | 2015-04-13 | 2015-07-08 | 天脉聚源（北京）教育科技有限公司 | File transmission method and device in local area network |
| CN106210771A (en) * | 2016-08-16 | 2016-12-07 | 广东中星电子有限公司 | Video information transmission method and video information transmission system |
| CN106569148A (en) * | 2016-11-03 | 2017-04-19 | 深圳市汇川技术股份有限公司 | Fault processing system and method of vehicle-mounted power source |
| CN106846748A (en) * | 2017-03-07 | 2017-06-13 | 上海伟梦物联网科技有限公司 | A kind of fire information is classified processing system and hierarchical processing method |
| CN106935019A (en) * | 2017-04-20 | 2017-07-07 | 张红新 | A kind of danger signal gathers identifying system |
| CN107071697A (en) * | 2017-05-05 | 2017-08-18 | 杭州米越科技有限公司 | A kind of base station data of combination wearing kind equipment is kept in and rapid data synchronization system |
| CN107776510A (en) * | 2016-08-29 | 2018-03-09 | 法乐第(北京)网络科技有限公司 | A kind of method for transmitting signals and device |
| CN108243043A (en) * | 2016-12-27 | 2018-07-03 | 乐视汽车（北京）有限公司 | Vehicle data transmission method, apparatus and system |
| CN108288996A (en) * | 2018-04-18 | 2018-07-17 | 惠州学院 | Based on unmanned plane shooting video high-fidelity teletransmission method, apparatus, storage medium and electronic equipment |
| CN108632340A (en) * | 2018-03-09 | 2018-10-09 | 宁德时代新能源科技股份有限公司 | Vehicle data transmission method and system |
| CN109017757A (en) * | 2018-08-22 | 2018-12-18 | 吉林大学 | In vehicle remote generation, drives method and system |
| CN109413262A (en) * | 2018-09-06 | 2019-03-01 | 深圳市梁信科技有限公司 | A kind of wireless storage management system |
| CN109612038A (en) * | 2018-11-23 | 2019-04-12 | 珠海格力电器股份有限公司 | Air-conditioning parameter processing method, device, computer equipment and storage medium |
| CN111147393A (en) * | 2018-11-02 | 2020-05-12 | 比亚迪股份有限公司 | Train data transmission method, device and system |
| CN112968821A (en) * | 2016-05-27 | 2021-06-15 | 松下电器（美国）知识产权公司 | Electronic control unit, communication method, and in-vehicle network system |
| CN112995061A (en) * | 2019-12-02 | 2021-06-18 | 长城汽车股份有限公司 | Vehicle data transmission method, device and system and storage medium |
| CN115756951A (en) * | 2022-10-12 | 2023-03-07 | 上海慧程工程技术服务有限公司 | Industrial Internet of things data real-time uploading method and device |
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| CN104579882A (en) * | 2014-12-26 | 2015-04-29 | 珠海格力电器股份有限公司 | CAN (controller area network) and WiFi (wireless fidelity) data communication device and communication method |
| CN104580469A (en) * | 2015-01-12 | 2015-04-29 | 深圳楼兰辉煌科技有限公司 | Vehicle networking system based on file queue storage and transmission |
| CN104767814B (en) * | 2015-04-13 | 2018-09-25 | 天脉聚源（北京）教育科技有限公司 | The method and apparatus that file transmits in a kind of LAN |
| CN104767814A (en) * | 2015-04-13 | 2015-07-08 | 天脉聚源（北京）教育科技有限公司 | File transmission method and device in local area network |
| CN112968821B (en) * | 2016-05-27 | 2022-03-08 | 松下电器（美国）知识产权公司 | Electronic control unit, communication method, and in-vehicle network system |
| CN112968821A (en) * | 2016-05-27 | 2021-06-15 | 松下电器（美国）知识产权公司 | Electronic control unit, communication method, and in-vehicle network system |
| CN106210771A (en) * | 2016-08-16 | 2016-12-07 | 广东中星电子有限公司 | Video information transmission method and video information transmission system |
| CN107776510A (en) * | 2016-08-29 | 2018-03-09 | 法乐第(北京)网络科技有限公司 | A kind of method for transmitting signals and device |
| CN106569148A (en) * | 2016-11-03 | 2017-04-19 | 深圳市汇川技术股份有限公司 | Fault processing system and method of vehicle-mounted power source |
| CN108243043A (en) * | 2016-12-27 | 2018-07-03 | 乐视汽车（北京）有限公司 | Vehicle data transmission method, apparatus and system |
| CN106846748A (en) * | 2017-03-07 | 2017-06-13 | 上海伟梦物联网科技有限公司 | A kind of fire information is classified processing system and hierarchical processing method |
| CN106935019A (en) * | 2017-04-20 | 2017-07-07 | 张红新 | A kind of danger signal gathers identifying system |
| CN107071697A (en) * | 2017-05-05 | 2017-08-18 | 杭州米越科技有限公司 | A kind of base station data of combination wearing kind equipment is kept in and rapid data synchronization system |
| CN108632340A (en) * | 2018-03-09 | 2018-10-09 | 宁德时代新能源科技股份有限公司 | Vehicle data transmission method and system |
| CN108288996A (en) * | 2018-04-18 | 2018-07-17 | 惠州学院 | Based on unmanned plane shooting video high-fidelity teletransmission method, apparatus, storage medium and electronic equipment |
| CN109017757A (en) * | 2018-08-22 | 2018-12-18 | 吉林大学 | In vehicle remote generation, drives method and system |
| CN109413262A (en) * | 2018-09-06 | 2019-03-01 | 深圳市梁信科技有限公司 | A kind of wireless storage management system |
| CN109413262B (en) * | 2018-09-06 | 2021-05-07 | 深圳市梁信科技有限公司 | Wireless storage management system |
| CN111147393A (en) * | 2018-11-02 | 2020-05-12 | 比亚迪股份有限公司 | Train data transmission method, device and system |
| CN109612038A (en) * | 2018-11-23 | 2019-04-12 | 珠海格力电器股份有限公司 | Air-conditioning parameter processing method, device, computer equipment and storage medium |
| CN112995061A (en) * | 2019-12-02 | 2021-06-18 | 长城汽车股份有限公司 | Vehicle data transmission method, device and system and storage medium |
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| CN115756951A (en) * | 2022-10-12 | 2023-03-07 | 上海慧程工程技术服务有限公司 | Industrial Internet of things data real-time uploading method and device |
| CN115756951B (en) * | 2022-10-12 | 2024-03-26 | 上海慧程工程技术服务有限公司 | Industrial Internet of things data real-time uploading method and device |
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