WO2018082390A1

WO2018082390A1 - V2x technology-based vehicular communication apparatus and method

Info

Publication number: WO2018082390A1
Application number: PCT/CN2017/099900
Authority: WO
Inventors: 宋海娜; 郭虹; 胡斌杰
Original assignee: 海华电子企业(中国)有限公司
Priority date: 2016-11-03
Filing date: 2017-08-31
Publication date: 2018-05-11
Also published as: CN106448222A

Abstract

Disclosed are a V2X technology-based vehicular communication apparatus and method. The vehicular communication apparatus comprises: a microprocessor; and a dedicated short-range communication module, a Wi-Fi module, a mobile communication module, an OBD module, a satellite positioning module, a man-machine interaction module, and a power management module which are connected to the microprocessor. The vehicular communication method comprises the steps of: the satellite positioning module of the vehicular communication apparatus obtains the position of the vehicle, and the OBD module obtains operating parameters of the vehicle; the dedicated short-range communication module broadcasts the position and the operating parameters of the vehicle; vehicles or pedestrians in the vicinity of the vehicular communication apparatus receive the position and the operating parameters of the vehicle by means of their own vehicular communication apparatus or handheld devices, and process the position and the operating parameters of the vehicle accordingly. The present invention solves the problem concerning information exchange between vehicles, between vehicles and roads, and between passengers of vehicles; communication between the apparatuses is rich in content and high in speed, without communication costs.

Description

Vehicle communication device and method based on V2X technology

Technical field

The present invention relates to the field of dedicated short-range wireless communication (DSRC) technology and Wi-Fi technology, and more particularly to an in-vehicle communication device and method based on V2X technology.

Background technique

With the maturity of dedicated short-range communication technology and mobile communication technology, the rapid increase of vehicles, and the increasing requirements for traffic safety and instant information interaction, it is necessary to install an on-board unit on the vehicle to complete and meet the ride conditions. Communication requirements.

Now, between vehicles, between vehicles and roads, between vehicles and pedestrians, it is impossible to directly exchange information. Only the mobile communication network (2G/3G/4G) is used to complete the information interaction between the vehicle and the vehicle monitoring system. Relying on mobile communication networks to complete information interaction.

The communication method, system and method of the present in-vehicle communication device, the communication method are rich in content, the communication speed is fast, and in some cases, no payment is required.

Summary of the invention

The technical problem to be solved by the present invention is to provide an in-vehicle communication device and method based on V2X technology to solve the problem of information exchange between vehicles, between vehicles and roads, and between vehicle passengers.

In order to solve the above technical problem, the present invention provides the following technical solution: a V2X-based vehicle-mounted communication device, including a microprocessor and a dedicated short-range communication module, a Wi-Fi module, a mobile communication module, and an OBD, both of which are connected to the microprocessor. Module, satellite positioning module, human-computer interaction module, power management module, wherein

The dedicated short-range communication module is used for communication between vehicles, between vehicles and roads, between vehicles and pedestrians;

The Wi-Fi module is used for communication between the in-vehicle communication device and a passenger on the vehicle;

The mobile communication module is used for communication between the in-vehicle communication device and a vehicle service center;

The OBD module is configured to acquire operating parameters of the vehicle, including real-time engine operating parameters, fuel consumption, and the like;

The satellite positioning module is configured to locate real-time motion parameters of the vehicle, including real-time position, speed, Angle and current time;

The human-computer interaction module is used for displaying, reminding and operating related information, including using a buzzer, a speaker and a display screen;

The power management module is configured to provide power to the entire in-vehicle communication device.

Further, the satellite positioning module includes a satellite positioning unit and an inertial navigation unit, wherein the satellite positioning unit is configured to determine a position of the vehicle, including longitude and latitude; and the inertial navigation unit is configured to be invalid in the satellite positioning unit. In the case of positioning the position of the vehicle.

Further, the dedicated short-range communication module notifies the driving information of the nearby vehicle or the pedestrian's own vehicle, and the neighboring vehicle or pedestrian knows the incoming vehicle information in advance, thereby reducing the possible accident; and the dedicated short-range communication module is used to notify the front of the vehicle. Road conditions, thereby reducing possible traffic jams and accidents; exchange of information between the vehicle or passengers in the vicinity of the vehicle by means of a dedicated short-range communication module of the in-vehicle communication device.

Another object of the present invention is to provide an in-vehicle communication method based on V2X technology, comprising the following steps:

S1. The satellite positioning module of the in-vehicle communication device acquires the position of the vehicle, and the OBD module acquires the operating parameters of the vehicle;

S2. A dedicated short-range communication module of the in-vehicle communication device broadcasts the location and operating parameters of the vehicle;

S3. The vehicle in the vicinity of the in-vehicle communication device receives the position and motion parameters of the vehicle through the handheld device through its own in-vehicle communication device or nearby pedestrians, and performs corresponding measures on these parameters.

Further, in step S2, the in-vehicle communication device also transmits the position and operating parameters of the vehicle to the vehicle service center through the mobile communication module, and the vehicle service center monitors the vehicle position in real time, analyzes the driving habits of the driver, and remotely diagnoses the vehicle.

Further, in the step S3, the vehicle-mounted communication device of the vehicle itself and the handheld device of the pedestrian remind the vehicle or the pedestrian whether there is danger by voice or picture, and promptly cause the vehicle or the pedestrian to take corresponding measures for protection.

Further, in the step S3, the in-vehicle communication device also communicates with the communication device of the driver or the passenger through the Wi-Fi module as a Wi-Fi router, and connects the position, the running parameter and the historical driving information of the vehicle. And carry out the corresponding analysis and processing.

Further, the in-vehicle communication device of the step S3 is used as a Wi-Fi router between adjacent vehicles to establish persistent communication through a dedicated short-range communication module, and then communicates with the passenger mobile communication device through Wi-Fi to establish a temporary local area network. To enable instant communication between mobile communication devices between adjacent vehicles, Includes voice calls, file sharing, and chat.

Further, the in-vehicle communication device of the step S3 receives the corresponding basic information provided by the device having the DSRC function on the road side through the dedicated short-range communication module, and the corresponding basic information includes the front road condition and the weather condition.

Further, the in-vehicle communication device of the step S3 establishes persistent communication between the corresponding device on the road side or the base station with the DSRC function through the dedicated short-range communication module, and transmits the special road condition found during the driving of the vehicle and the vehicle. Special operation or operation information.

After adopting the above technical solution, the present invention has at least the following beneficial effects:

1. The in-vehicle communication device of the present invention can know the road condition in advance, and then select a road section that is smoothly traveled to reduce traffic congestion;

2. The in-vehicle communication device of the present invention can perform remote communication of the vehicle through the vehicle service center, monitor the position of the vehicle in real time, analyze the driving habits of the driver, and remotely diagnose the vehicle to make the vehicle remotely diagnosed;

3. The Wi-Fi module of the in-vehicle communication device of the present invention can be used as a Wi-Fi router to reduce communication costs between different vehicles, between passengers, or between passengers and vehicles when traveling with multiple vehicles.

DRAWINGS

1 is a schematic structural diagram of an in-vehicle communication device based on V2X technology according to the present invention;

2 is a flow chart showing the steps of a vehicle communication method based on V2X technology of the present invention;

3 is a schematic structural diagram of a Wi-Fi wireless transceiver unit of an in-vehicle communication device based on V2X technology according to the present invention;

4 is a schematic structural diagram of a vehicle communication device of an in-vehicle communication device based on V2X technology of the present invention as a router, which does not communicate with a handheld device in a vehicle;

5 is a schematic structural diagram of a DSRC wireless transceiver unit of an in-vehicle communication device based on V2X technology according to the present invention;

6 is a flow chart showing the processing of receiving data by the in-vehicle communication device in the embodiment of the present invention;

7 is a flow chart showing the steps of a vehicle-mounted communication device as a shop floor router in an embodiment of the present invention.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments may be combined with each other. The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in FIG. 1 , the present invention provides an in-vehicle communication device based on V2X technology, including a microprocessor 1 (CPU), a satellite positioning module 5 (BDS, GPS, GLONASS, etc.), an OBD module 8, and a dedicated short-range communication (DSRC). Module 2, Wi-Fi module 3, and a mobile communication (2G/3G/4G) module 4, human-machine interaction module 6, power management module 7, and other auxiliary modules, the dedicated short-range communication module 2, Wi-Fi module 3. The mobile communication module 4, the OBD module 8, the satellite positioning module 5, the human-machine interaction module 6, and the power management module 7 are all connected to the microprocessor 1. The satellite positioning module 5 is used to locate the vehicle position, speed, angle, current time, etc.; the OBD module 8 is used to obtain various sensor information of the vehicle; the dedicated short-range communication module 2 is used between vehicles, between the vehicle and the road, Communication between the vehicle and the pedestrian; the Wi-Fi module 3 is used for communication between the in-vehicle communication device and the passenger on the vehicle; the human-machine interaction module 6 can employ a buzzer, a speaker, and a display screen.

With the in-vehicle communication device of the present invention, the dedicated short-range communication module 2 is used to notify the driving information of the nearby vehicle or the pedestrian's own vehicle, and the neighboring vehicle or pedestrian knows the incoming vehicle information in advance, thereby reducing the possible accident; using the dedicated short-range communication module 2 to inform the following road conditions in front of the vehicle, thereby reducing possible traffic jams and accidents; exchange information between the vehicle or passengers of the adjacent vehicles by means of a dedicated short-range communication module of the in-vehicle communication device.

As shown in FIG. 2, the working method of the vehicle communication device based on the V2X technology includes the following steps:

1. The vehicle communication device acquires the position of the vehicle through the satellite positioning module at a certain time interval, or acquires the vehicle's driving direction, the vehicle motion parameters such as the speed and the acceleration through the OBD module; organizes the acquired data to obtain the organization data;

2. The vehicle communication device broadcasts a series of organization data such as the position and operating parameters of the vehicle through a dedicated short-range communication module at a certain frequency;

3. A nearby vehicle or pedestrian with similar communication function can receive corresponding motion after receiving the motion parameters of the above-mentioned vehicle communication device. For example, using voice and picture to remind the vehicle or pedestrian that there may be danger, attention should be paid and measures should be taken. .

Further, the in-vehicle communication device can transmit the motion parameter to the vehicle service center through the mobile communication module, and achieve various uses such as vehicle position monitoring, driving behavior analysis, and even vehicle remote diagnosis.

Further, as shown in FIG. 3, the Wi-Fi module of the in-vehicle communication device can function as a Wi-Fi router and then transmit signals through the antenna to the mobile communication device (such as a mobile phone or tablet) of the driver or the passenger. The computer communicates to transmit the historical travel information of the vehicle for analysis.

Further, as shown in FIG. 4, the in-vehicle communication device can act as a router between adjacent vehicles, establish a persistent communication through a dedicated short-range communication module, and then communicate with the passenger mobile communication device through Wi-Fi to establish a temporary local area network to enable the adjacent vehicle. The mobile communication device between the two performs voice call, file sharing, chat, etc., and can also manage the fleet.

Further, as shown in FIG. 5, the in-vehicle communication device can receive a forward road condition, a weather condition, and the like broadcasted by a corresponding device (a base station having a DSRC function) on the road side through a dedicated short-range communication module.

Further, the in-vehicle communication device can establish persistent communication with the corresponding device on the road side (base station with DSRC function) through the dedicated short-range communication module, and transmit the special road condition found during the driving of the vehicle and the special operation or operation information of the vehicle. Etc., without moving through the communication module, thereby reducing communication costs.

As shown in FIG. 6, the processing flowchart of the in-vehicle communication device receiving data from the DSRC includes the following steps:

The in-vehicle communication device receives the information of the neighboring vehicle, determines whether the neighboring vehicle has hit itself, and if so, takes measures to protect; if not, it needs to confirm whether the information is road condition information, and take another measure for processing.

As shown in FIG. 7, the in-vehicle communication device is a software flow diagram of a workshop router, and includes the following steps:

After the vehicle establishes persistent communication between the vehicles through the dedicated short-range communication module, the mobile phone further establishes persistent communication with the mobile phone through Wi-Fi;

When the in-vehicle communication device receives the communication information of the mobile phone, it determines whether the vehicle device is in communication connection with other in-vehicle communication devices, and if so, transmits the Wi-Fi to another in-vehicle communication device device, and the device takes measures; if not, Then, the dedicated short-range communication module is used to send to another in-vehicle communication device, and the device takes measures.

Through this scheme, DSRC technology can be used to transmit information, which can reduce traffic accidents, reduce traffic congestion, and even reduce communication costs in vehicle use.

While the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art Variations, modifications, substitutions and variations, the scope of the invention is defined by the appended claims The scope is limited.

Claims

An in-vehicle communication device based on V2X technology, comprising: a microprocessor and a dedicated short-range communication module connected to the microprocessor, a Wi-Fi module, a mobile communication module, an OBD module, a satellite positioning module, and human-computer interaction Module, and power management module, wherein

The dedicated short-range communication module is used for communication between vehicles, between vehicles and roads, between vehicles and pedestrians;

The Wi-Fi module is used for communication between the in-vehicle communication device and a passenger on the vehicle;

The mobile communication module is used for communication between the in-vehicle communication device and a vehicle service center;

The OBD module is configured to acquire operating parameters of the vehicle, including real-time engine operating parameters and fuel consumption;

The satellite positioning module is configured to locate real-time motion parameters of the vehicle, including real-time position, speed, angle, and current time;

The human-computer interaction module is used for displaying, reminding and operating related information, including using a buzzer, a speaker and a display screen;

The power management module is configured to provide power to the entire in-vehicle communication device.
The in-vehicle communication device based on V2X technology according to claim 1, wherein the satellite positioning module comprises a satellite positioning unit and an inertial navigation unit; the satellite positioning unit is configured to determine a position of the vehicle, including longitude and Latitude; the inertial navigation unit is configured to position the position of the vehicle in case the satellite positioning unit fails.
The in-vehicle communication device based on V2X technology according to claim 1, wherein the dedicated short-range communication module notifies the driving information of the nearby vehicle or the pedestrian, and the neighboring vehicle or pedestrian knows the incoming vehicle information in advance. Thereby reducing the accidents that may be caused; using a dedicated short-range communication module to inform the road conditions in front of the following vehicles, thereby reducing possible traffic jams and accidents; using a dedicated short-range communication module of the in-vehicle communication device between the passengers of the vehicle or the adjacent vehicles Information exchange.
An in-vehicle communication method based on V2X technology, comprising the following steps:

S1. The satellite positioning module of the in-vehicle communication device acquires the position of the vehicle, and the OBD module acquires the operating parameters of the vehicle;

S2. The dedicated short-range communication module of the in-vehicle communication device cyclically broadcasts the position and operating parameters of the vehicle according to the IEEE 1609.3 WAVE network service protocol format;

S3. Vehicles in the vicinity of the in-vehicle communication device pass through their own in-vehicle communication devices or nearby pedestrians. The handheld device receives the position and motion parameters of the vehicle and analyzes the parameters: if there is a possibility of collision between the distance, speed or direction of the two parties, a collision reminder is issued; if not, the location and the party of the other party are marked on the map. s position.
The in-vehicle communication method based on V2X technology according to claim 4, wherein in step S2, the in-vehicle communication device transmits the position and operating parameters of the vehicle to the vehicle service center through the mobile communication module, and the vehicle service center Vehicle parameters are monitored in real time, including vehicle position, speed, acceleration, tilt angle, and engine status parameters, and based on these data, analyze the driver's driving habits and remotely diagnose the vehicle.
The in-vehicle communication method based on V2X technology according to claim 4, wherein in the step S3, the vehicle-mounted communication device of the vehicle itself and the handheld device of the pedestrian remind the vehicle or the pedestrian whether there is a collision risk by voice or picture. In time, vehicles or pedestrians should take corresponding measures to protect.
The in-vehicle communication method based on V2X technology according to claim 4, wherein in step S3, the in-vehicle communication device is further configured as a Wi-Fi router through a Wi-Fi module, and is performed by a communication device of a driver or a passenger. The communication connection connects the vehicle's position, operating parameters and historical driving information, and analyzes the data to correct the driver's driving habits. The driving habits include sudden braking, starting, turning and lane change.
The in-vehicle communication method based on V2X technology according to claim 7, wherein the in-vehicle communication device of step S3 is used as a Wi-Fi router between adjacent vehicles, and is established by a dedicated short-range communication module. Communication, and then communicate with the passenger mobile communication device through Wi-Fi, establish a temporary local area network, and enable instant communication between the mobile communication devices between adjacent vehicles, including instant messaging, file sharing, and chat.
The in-vehicle communication method based on the V2X technology according to claim 4, wherein the in-vehicle communication device of the step S3 receives the corresponding basic information provided by the device having the DSRC function on the road side through the dedicated short-range communication module. The corresponding basic information includes congestion, maintenance, speed limit and weather on the road ahead.
The in-vehicle communication method based on V2X technology according to claim 4, wherein the in-vehicle communication device of step S3 passes through a dedicated short-range communication module and a corresponding device on the road side or a base station having a DSRC function. Establish a permanent communication, send the special road conditions found during the driving of the car and the special operation or operation information of the car.