KR20190124382A - Vehicle-to-vehicle identification and detection methods and apparatus - Google Patents

Abstract

The present invention relates to a vehicle-to-vehicle identification and detection method and an apparatus therefor. A vehicle has a plurality of high-frequency communication modules, respectively, disposed in different communication directions, and performing high-frequency communications. Each of the high-frequency communication modules transmits identification information of the vehicle to a neighboring vehicle having requested communication according to a communication request originated from the neighboring vehicle. The vehicle transmits a communication request in the different communication directions through antennas of the plurality of high-frequency communication modules disposed in the vehicle by a time division polling or simultaneous communication method and the vehicle identifies and detects the neighboring vehicle by performing high-frequency communications with the neighboring vehicle in a different direction. The present invention can achieve precise positioning between individual vehicles in an area to support active safety control of the vehicles or provide data necessary for autonomous driving, thereby increasing driving safety.

Description

Vehicle-to-vehicle identification and detection methods and apparatus

The present invention relates to active safety technology of a vehicle, and more particularly, to a method and apparatus for identification and detection of a vehicle-to-vehicle.

Safety is one of the hottest challenges for vehicle users and manufacturers. Vehicle safety technology can be divided into active safety technology and passive safety technology. Passive safety technology reduces injury after an accident in the vehicle, and active safety technology detects and judges possible risks in advance by using various electronic detection or detection devices, and automatically controls the machine. It is to prevent this from happening in advance.

At present, various vehicle active safety technologies are actually used in commercial vehicles. For example, ABS (Anti Breaking System), TRC System (Traction Control System, TRC), ESC System (Electronic Stability Control, ESC), LDWS System (Lane Departure Warning System, LDWS), ACC System (Active Cruise) Control, ACC), AEB system (Autonomous Emergency Braking, AEB). These technologies mainly use lasers, microwave radars, and image identification techniques to implement active detection between vehicles.

In addition to steadily improving vehicle safety, implementing driverless cars or autonomous driving is one of the goals that vehicle manufacturers are trying to achieve. Key technologies for driving autonomous vehicles or autonomous driving are environmental sensing, navigation location tracking, route planning, and policy control. Although the active safety technology described above has a large number of mature detection technologies, there are still complicated relative positions, angles and distances within the last 20 meters, communication between the vehicle and the vehicle, and continuous driving or automatic deceleration stop by consultation. Can not implement the function. Currently, vehicle positioning technology is mainly implemented through the Global Navigation Satellite System (GPS), but the positioning accuracy of general civil GPS is limited to 5 meters (M), which is limited, which is higher than that required for driverless cars or autonomous driving. It does not meet the precision.

The technical problem to be solved by the present invention is the identification and detection of vehicle-to-vehicle that can not only achieve precise position tracking of the mutual position relationship between individual vehicles in the area, but also support the active safety control of the vehicle or provide data for autonomous driving It is to provide a method and an apparatus thereof.

One embodiment of a vehicle-to-vehicle identification and detection method according to the present invention for solving the above technical problem is that a nearby vehicle is a high frequency in a plurality of different communication directions symmetrical to the center of the vehicle in a plane where the vehicle is located. Receiving a communication request sent by a signal; Responding identification information of the vehicle as a high frequency signal to a nearby vehicle that has sent the communication request based on the communication direction that has received the communication request; Sending a communication request as a radio frequency signal through time division polling or simultaneous communication in a plurality of different communication directions symmetrical to the center of the vehicle in the plane where the vehicle is located; And receiving identification information that the neighboring vehicle has responded with a high frequency signal.

The vehicle-to-vehicle identification and detection method according to the present invention receives a communication request transmitted by a high-frequency signal from a nearby vehicle in a plurality of different communication directions symmetrical to the center in a plane where the vehicle is located, centering on the vehicle. And send a communication request in the plurality of different communication directions one by one through time division polling or simultaneous communication scheme.

The identification information includes at least identification information of the present vehicle, direction information of the communication direction in which the present vehicle received the communication request, and driving parameter information of the present vehicle.

A method of identifying and detecting a vehicle-to-vehicle according to the present invention includes analyzing and calculating a distance between the present vehicle and a nearby vehicle based on a radio signal of the identified identification information.

A method of identifying and detecting a vehicle-to-vehicle according to the present invention includes determining a bearing of a nearby vehicle with respect to the vehicle based on a communication direction of the antenna that has received the identification information or the contents of the identification information. do.

One embodiment of a vehicle-to-vehicle identification and detection apparatus according to the present invention includes a plurality of high frequency communication units, a single pole multi throw (SPMT) switch and a communication master module; The high frequency communication unit includes a high frequency communication module and an antenna electrically connected to the high frequency communication module, wherein the antennas of the plurality of high frequency communication units each have a different communication direction symmetric to the center of the vehicle in the plane where the vehicle is located. It is responsible for conducting high frequency communication, the communication direction of the antenna of each of the high frequency communication unit is different, each of the high frequency communication unit is switchable between the active mode and the passive mode of the normal state, the high frequency communication unit is passive Receive a communication request from a neighboring vehicle in a preset communication direction through the electrically connected antenna when in the mode, and the high frequency communication unit receives the communication request and then adjusts the communication direction of the antenna through the electrically connected antenna. Who sent the communication request Respond with identification information to the near vehicle; The communication master module switches a plurality of the high frequency communication units to the active mode in time division polling or simultaneous communication mode through the SPMT switch, and the communication master module is electrically connected to the antenna of the high frequency communication unit in the active mode. The communication master module sends a communication request through the communication direction of the electrically connected antenna and also obtains identification information that is received by a nearby vehicle through the electrically connected antenna.

In one embodiment of a vehicle-to-vehicle identification and detection apparatus according to the present invention, the communication master module is an RFID reader and the high frequency communication unit includes a high frequency communication module and an antenna; The high frequency communication module includes a tag chip of a high frequency identification tag and an SPDT switch, and stores the identification information in the tag chip. The tag chip is connected to the antenna through the SPDT switch when the high frequency communication unit is in a passive mode. When electrically connected and the high frequency communication unit is in an active mode, the communication master module is electrically connected to the antenna via the SPDT switch and also blocks the electrical connection between the tag chip and the antenna.

In one embodiment of a vehicle-to-vehicle identification and detection apparatus according to the present invention, the identification information includes at least vehicle identification information, direction information in a communication direction in which the vehicle has received a communication request, and driving parameter information of the vehicle.

In one embodiment of a vehicle-to-vehicle identification and detection device according to the invention, the antennas of any two adjacent high frequency communication units must be polarized isolated. For example, for a linearly polarized antenna, horizontally and vertically polarized waves must be used, respectively; For circularly polarized antennas, left circular and polarized circular polarizations should be used, respectively.

In one embodiment of the vehicle-to-vehicle identification and detection device according to the invention, the antenna of each high frequency communication unit is a narrow beam antenna.

In one embodiment of a vehicle-to-vehicle identification and detection apparatus in accordance with the present invention, an information processor disposed in a vehicle may be used to analyze and calculate a distance between the vehicle and a nearby vehicle based on a wireless signal of the identified identification information. Can be.

In one embodiment of a vehicle-to-vehicle identification and detection device according to the present invention, the information processor determines the orientation of a nearby vehicle relative to the vehicle based on the communication direction of any antenna that has received the response information or the content of the identification information. You can judge.

Advantages and effects of the present invention are as follows. It is possible to precisely track the positional relationship between individual vehicles in the area, support active safety control of the vehicle, and provide data for driverless vehicles or autonomous driving. Since there are many kinds of transportation tools in various cities around the world, and the high frequency communication module of the present invention is low in cost, small in volume, and easy to install, the device is a conventional autonomous driving device such as an optical radar. Unlike this, it is spread in various types of vehicles in the city and can have a decisive influence on autonomous driving within a certain distance.

1 is a functional block diagram of a vehicle-to-vehicle identification and detection apparatus according to the present invention.
Fig. 2A is a functional block diagram of a high frequency communication module and is an explanatory diagram showing a function in a passive mode of a high frequency communication unit.
Fig. 2B is a functional block diagram of a high frequency communication module and is an explanatory diagram showing a function in an active mode of a high frequency communication unit.
3 is a plan view of a vehicle and illustrates an exemplary embodiment in which a plurality of high frequency communication units are disposed in a vehicle.
4 is an explanatory diagram of a method for identifying and detecting a vehicle-to-vehicle and a device thereof according to the present invention. The case of progress is shown.
5 is a system configuration diagram of an autonomous vehicle or an autonomous driving system, and illustrates an embodiment in which a vehicle-to-vehicle identification and detection apparatus according to the present invention is applied to an autonomous vehicle or an autonomous driving system.

Vehicle to vehicle identification and detection method according to the present invention,

Receiving a communication request transmitted by a neighboring vehicle by a high frequency signal in a plurality of different communication directions symmetrical to the center of the vehicle in the plane where the vehicle is located;

The identification information of the vehicle is transmitted to the neighboring vehicle which has sent the communication request based on the communication direction in which the vehicle has received the communication request using a high frequency signal, and the contents of the identification information are at least the identity information of the vehicle, and the vehicle is the communication. Including direction information of a communication direction in which the request is received and driving parameter information of the vehicle;

Sending a communication request with a high frequency signal through time division polling or simultaneous communication in a plurality of different communication directions symmetrical to the center of the vehicle in the plane where the vehicle is located; And

Receiving the identification information that the neighboring vehicle responds with a high frequency signal.

A preferred embodiment of the method according to the invention is a time division polling or simultaneous communication scheme which receives a communication request sent by a high frequency signal by a nearby vehicle in a number of different communication directions symmetrical to the center of the vehicle in the plane in which the vehicle is located. The communication request is sent out in the eight different communication directions through the wireless communication system, and the distance between the vehicle and the neighboring vehicle is analyzed and calculated by the radio signal of the identification information responded by the neighboring vehicle. Location tracking improves driving safety by supporting active safety control of the vehicle or by providing data for autonomous driving.

In the embodiment shown in Figs. 1 and 3, eight high frequency communication units are arranged in a vehicle. For convenience of description, the high frequency communication units responsible for the different communication directions are indicated by numerals 1 to 8, respectively, and these high frequency communication units 1 to 8 and the communication directions to which they are respectively indicated indicate the following directions: 1 Is front, 2 is front left, 3 is center left, 4 is rear left, 5 is rear, 6 is rear right, 7 is center right and 8 is front right. It should be noted that the eight different communication directions are merely preferred embodiments of the present invention, and the present invention is not limited thereto.

Arranging the communication master module 40 and the eight high frequency communication units 1 to 8 in the vehicle body; Each of the high frequency communication units 1 to 8 is responsible for high frequency communication with neighboring vehicles in different communication directions, and the communication master module 40 and the eight high frequency communication units 1 to 8 are electrically connected. 40 may control each high frequency communication unit 1 to 8 to switch between an 'active mode' and a 'passive mode'.

In the high frequency communication unit (1 to 8) in the 'manual mode', the neighboring vehicle can receive a communication request transmitted by a high frequency signal in the communication direction in which it is responsible, and also the neighbor that has sent the communication request after receiving the communication request. Identification information of the vehicle can be transmitted to the vehicle by a high frequency signal; The high frequency communication units 1 to 8 switched to the 'active mode' may transmit a communication request with a high frequency signal in a communication direction in which they are in charge, and may also receive identification information that a nearby vehicle has responded with a high frequency signal. A preferred embodiment is to implement the method described above with Radio Frequency Identification (RFID) technology, wherein the communication master module 40 is basically an RFID reader and each of the high frequency communication units 1 to 8 It may be a high frequency identification tag (RFID Tag), it is preferable that the RFID reader lowers the construction cost of the hardware by using the high frequency identification tag and the antenna. The communication master module 40 transmits the above-described communication request mainly through an antenna that is commonly used with the high frequency identification tag, and the high frequency identification tag causes the data to be read by an RFID reader of a nearby vehicle in the 'manual mode'. In another embodiment of the present invention, the operation of the 'active mode' and the 'passive mode' may be implemented by replacing the RFID reader 40 and the high frequency identification tag through other high frequency communication technology. The above-described RFID reader and high frequency identification tag are just one embodiment for implementing the method according to the present invention, and the present invention is not limited thereto.

The vehicle-to-vehicle identification and detection method and apparatus thereof according to the present invention convert only one of the eight high frequency communication units (1 to 8) into the 'active mode' in time division polling mode while the remaining seven high frequency communication units are ' Manual mode '; In the simultaneous communication mode, a plurality of high frequency communication units can be configured to be switched to the 'active mode'. In one preferred embodiment of the present invention, when the eight high frequency communication units 1 to 8 are in the normal state, they are in the 'manual mode' and the communication master module 40 is connected to the eight high frequency communication units in a time division polling or simultaneous communication manner. 1 ~ 8) to 'active mode' and this switching operation is continuous and cyclical.

2A, each of the high frequency communication units 1 to 8 includes a high frequency communication module 10 and an antenna 20; The high frequency communication module 10 includes a tag chip 11 (Tag IC) and an SPDT switch 30 of an RFID tag, and the tag chip 11 includes an antenna 20 through the SPDT switch 30. Electrically connected to the antenna, and the antennas 10 of the eight high frequency communication units 1 to 8 are each responsible for performing high frequency communication with neighboring vehicles in different communication directions symmetrical to the center of the vehicle in the plane where the vehicle is located. ; It will be appreciated that the neighboring vehicle also has a communication master module 40 and a plurality of high frequency communication units 1 to 8 arranged in the same manner.

Identification information is stored in the memory of the tag chip 11 of each of the high frequency communication units 1 to 8, and the identification information is at least a communication direction in which the antenna 20 of the high frequency communication units 1 to 8 is in charge. Direction information of the vehicle, identification information of the vehicle in which the high frequency communication units 1 to 8 are located, and driving parameter information of the vehicle; For example, since the communication direction of the antenna 20 of the high frequency communication unit 1 disposed in the front direction of the vehicle body is forward, the direction information stored in the memory of the tag chip 11 of the high frequency communication unit 1 is' 1 forward 'and the identity information may be a vehicle model name or a vehicle number of the vehicle, and the driving parameter of the vehicle may be a speed of the vehicle.

Referring to FIG. 2A, in the normal state, the high frequency communication module 10 is in the 'manual mode' and the SPDT switch 30 electrically connects the tag chip 11 and the antenna 20 in the normal state. That is, when any one high frequency communication unit 1 to 8 is in the 'manual mode', the communication request is received from a nearby vehicle in a preset communication direction via the electrically connected antenna 20 and the eight high frequency communication units 1 ~ 8) any one of the neighboring vehicle is identified by responding to the nearby vehicle that sent the communication request identification information in the preset communication direction of the antenna 20 through the electrically connected antenna 20 after receiving any one of the communication request And detectable.

As shown in FIG. 1, one embodiment of a vehicle-to-vehicle identification and detection apparatus according to the present invention includes eight high-frequency communication units 1 to 8, one communication master module 40, and one SPMT switch. An embodiment uses the SP8T switch 60). During operation of the vehicle-to-vehicle identification and detection device according to the invention at least one of the eight high frequency communication units 1 to 8 is in the 'active mode' and the remaining seven are in the 'passive mode'. The communication master module 40 switches the eight high frequency communication units 1 to 8 to the 'active mode' by time division polling or simultaneous communication through the SP8T switch 60. At this time, the SPDT switch 30 electrically connects the communication master module 40 and the antenna 20 (the electrical connection between the tag chip 11 and the antenna 20 in the existing general state is temporarily charged). The communication master module 40 obtains the identification information responded by the nearby vehicle by sending a communication request to the high frequency communication units 1 to 8 of the neighboring vehicle through the electrically connected antenna 20; In other words, during operation of the vehicle-to-vehicle identification and detection apparatus according to the present invention, the communication master module 40 is electrically connected to the antenna 20 of one high frequency communication unit 1 to 8 that has entered the 'active mode'. And the remaining seven high frequency communication units (1-8) are still in 'manual mode'. The communication master module 40 electrically connects the antennas 20 of the eight high frequency communication units 1 to 8 through time-split polling or simultaneous communication via the SP8T switch 60, and the communication master module 40 is electrically connected. Sends a communication request to the high-frequency communication module 10 of the nearby vehicle through the antenna 20 connected to the. Note that 'communication request originating' means that the communication master module 40 uses the high frequency signal to read or identify the identification information of the neighboring vehicle from the memory of the high frequency communication module 10 of the nearby vehicle. Indicates that high frequency communication is performed with the high frequency communication module 10 of the vehicle.

In one embodiment of the antenna 20, the antennas of the high frequency communication module 10 among any two high frequency communication units 1 to 8 adjacent to each other have polarization isolation. For example, for a linearly polarized antenna, horizontally and vertically polarized waves must be used, respectively; For circularly polarized antennas, left circular and polarized circular polarizations should be used, respectively. Referring to the embodiment shown in Figure 3, the linearly polarized antennas of the high frequency communication module 10 arranged in four directions, such as 1-forward, 3-left center, 5-rear and 7-right center, are arranged horizontally. The linearly polarized antennas of the high frequency communication module 10 arranged in four directions such as 2-front left, 4-rear left, 6-rear right and 8-rear right are arranged vertically ( The circularly polarized antennas are similarly arranged. Due to the layout of the linearly polarized antenna, identification of the neighboring high frequency communication units 1 to 8 of the vehicle after the antenna 20 of the high frequency communication units 1 to 8 in any communication direction enters the 'active mode'. The error of reading out the signal can be prevented, thus preventing the modulation.

Another embodiment of the antenna 20 uses a narrow beam antenna, where the antennas 20 of each of the high frequency communication units 1 to 8 are individually limited to a preset communication direction, which can likewise achieve an anti-modulation effect.

4 is an explanatory view of a vehicle-to-vehicle identification and detection method and a device thereof according to the present invention, wherein identification and detection are performed through a plurality of high-frequency communication units 1 to 8 arranged in different directions between the vehicle and the vehicle. The case of progress is shown.

For convenience of description, the vehicle number (A to I) of each vehicle is given by the number indicated in front of each vehicle head in the drawing, and the numbering rules of the high frequency communication units (1 to 8) of each vehicle are referred to as 'vehicles'. Number + number of communication units (1 to 8) '. For example, the number of the high frequency communication units in charge of the high frequency communication in the front direction in the vehicle A is A1 and the number of the high frequency communication units in charge of the high frequency communication in the right center direction in the vehicle E is E7. Hereinafter, the modulation prevention function described above will be described taking the most representative vehicle E as an example. In the drawings, the black blocks represent high frequency communication modules, the wide black blocks indicate that the antennas 20 of the high frequency communication units 1 to 8 are horizontal polarized antennas, and the narrow black blocks are the antennas 20 of the high frequency communication units 1 to 8. Is a vertically polarized antenna.

Referring to Table 1 below, a situation in which the vehicle E and other vehicles in the vicinity thereof are mutually identified and detected through the cooperative operation of the plurality of high frequency communication units 1 to 8 and the communication master module 40. I can understand.

The communication direction of the antenna 20 of the high frequency communication unit E1 of the vehicle E is for detecting a vehicle in front of the vehicle as the front direction, and the high frequency communication unit E1 enters the 'active mode' and can be effectively identified. It is the communication unit B5 and the high frequency communication unit which can be identified by a certain probability includes the high frequency communication units A5 and C5;

The communication direction of the antenna 20 of the high frequency communication unit E2 of the vehicle E is for detecting the front left vehicle as the front left direction, and the high frequency communication unit E2 enters the 'active mode' to effectively identify. It can be a high frequency communication unit A6 and the high frequency communication unit which can be identified with a certain probability includes the high frequency communication units B4 and D8;

The communication direction of the antenna 20 of the high frequency communication unit E3 of the vehicle E is for detecting the left vehicle as the left center direction, and the high frequency communication unit E3 enters the 'active mode' and can be effectively identified. What is there is a high frequency communication unit D7;

The communication direction of the antenna 20 of the high frequency communication unit E4 of the vehicle E is a rear left direction for detecting a vehicle on the rear left side, and the high frequency communication unit E4 enters the 'active mode' and can be effectively identified. It is the high frequency communication unit G8 and the high frequency communication unit which can be identified by a certain probability includes the high frequency communication units D6 and H2;

The communication direction of the antenna 20 of the high frequency communication unit E5 of the vehicle E is for detecting the vehicle behind the vehicle as the rear direction, and the high frequency communication unit E5 enters the 'active mode' and can be effectively identified. It is the communication unit H1 and the high frequency communication unit which can be identified by a certain probability includes the high frequency communication units G1 and I1;

The communication direction of the antenna 20 of the high frequency communication unit E6 of the vehicle E is a rear right direction for detecting a vehicle on the rear right side, and the high frequency communication unit E6 enters the 'active mode' and can be effectively identified. It is the high frequency communication unit I2 and the high frequency communication unit which can be identified by a certain probability includes the high frequency communication units F4 and H8;

The communication direction of the antenna 20 of the high frequency communication unit E7 of the vehicle E is for detecting the vehicle on the right side as the right center direction, and the high frequency communication unit E7 enters the 'active mode' to effectively identify. It can be a high frequency communication unit F3;

The communication direction of the antenna 20 of the high frequency communication unit E8 of the vehicle E is for detecting the vehicle on the front right side as the front right direction, and the high frequency communication unit E8 enters the 'active mode' and effectively identifies it. What can be done is a high frequency communication unit C4 and a high frequency communication unit that can be identified with a certain probability can identify other high frequency communication units including the high frequency communication units B6 and F2.

High frequency communication module number E1 E2 E3 E4 E5 E6 E7 E8 A4 N N N N N N N N A5 P N N N N N N N A6 N Y N N N N N N B4 N P N N N N N N B5 Y N N N N N N N B6 N N N N N N N P C4 N N N N N N N Y C5 P N N N N N N N C6 N N N N N N N N D6 N N N P N N N N D7 N N Y N N N N N D8 N P N N N N N N F2 N N N N N N N P F3 N N N N N N Y N F4 N N N N N P N N G2 N N N N N N N N G1 N N N N P N N N G8 N N N Y N N N N H2 N N N P N N N N H1 N N N N Y N N N H8 N N N N N P N N I2 N N N N N Y N N I1 N N N N P N N N I8 N N N N N N N N N: Not discernible, P: There is a certain probability to identify, Y: Identify a.

As shown in FIG. 4, when the high frequency communication module 10 of the high frequency communication unit E1 of the vehicle E receives the identification information of the high frequency communication module 10 of the high frequency communication unit B5, the high frequency communication unit B5. It indicates that there is a nearby vehicle in front of the vehicle based on the direction information in the identification information of the high frequency communication module 10.

In one embodiment of the vehicle-to-vehicle identification and detection apparatus according to the invention further comprises an information processor 50 (see FIG. 1). The information processor 50 may analyze and calculate a distance between the vehicle and a neighboring vehicle according to a wireless reception signal of the responded identification information.

As shown in FIG. 4, when the high frequency communication unit E1 of the vehicle E receives the identification information of the high frequency communication module 10 in the high frequency communication unit A5 of the vehicle A, the high frequency communication of the vehicle E is performed. The unit E2 can also receive identification information of the high frequency communication module 10 in the high frequency communication unit A6 of the vehicle A, and the high frequency communication module A5 and the high frequency communication module A of the high frequency communication unit A6 ( After the processing and inspection of the information processor 50 based on the direction information in the identification information 10) has responded, it is possible to determine the presence and relative distance of the neighboring vehicle A on the front left side of the vehicle E.

5, FIG. 5 is a system configuration diagram of an unmanned vehicle or an autonomous driving system, and shows an embodiment in which a vehicle-to-vehicle identification and detection apparatus according to the present invention is applied to an unmanned vehicle or an autonomous driving system; According to the present invention, a plurality of high frequency communication units 1 to 8 which perform high frequency communication in different communication directions on a vehicle body of the vehicle are arranged, and the high frequency communication module 10 of each of the high frequency communication units 1 to 8 includes: In response to a communication request of a nearby vehicle, identification information of the present vehicle can be transmitted to a nearby vehicle that has sent a communication request, and the vehicle also includes a plurality of high frequency communication units (1) disposed in the vehicle by time division polling or simultaneous communication. Through the high frequency communication module 10, the communication request can be sent in different directions, and the identification information of the neighboring vehicles can be obtained by performing high frequency communication with neighboring vehicles in different communication directions. Through the processing at 50, any one or a combination thereof can be obtained from the information such as the bearing and the distance of the nearby vehicle; In another embodiment of the method and apparatus according to the present invention, the vehicle radar 73 system finds the speed of a nearby vehicle (for example, the vehicle in front) and the position information where the vehicle is located via the GPS system 70 of the vehicle. And then provide this information to the unmanned vehicle control system 71 disposed in the vehicle or to the vehicle control center 72 in the background via a mobile communication network for precise tracking of the mutual positional relationship between individual vehicles in the area. Not only can this be achieved, it can also support active safety control of the vehicle and provide the data needed for driverless vehicles or autonomous driving.

Although the present invention has been disclosed as described above through the above-described embodiments, the present invention is not intended to be limited thereto. For those skilled in the art, appropriate changes and modifications may be made without departing from the spirit and scope of the present invention. As such, the protection scope of the present invention should be defined by the claims of the present application.

1 to 8: high frequency communication unit 11: tag chip
10: high frequency communication module 20: antenna
40: communication master module 50: information processor
60: SP8T switch 70: GPS system
71: driverless vehicle control system 72: vehicle control center
73: car radar

Claims (17)

In the vehicle-to-vehicle identification and detection method,
Receiving a communication request transmitted by a neighboring vehicle by a high frequency signal in a plurality of different communication directions symmetrical to the center of the vehicle in the plane where the vehicle is located;
The vehicle responds to identification information of the vehicle with a high frequency signal to a neighboring vehicle that transmits the communication request based on the communication direction in which the vehicle receives the communication request, but the contents of the identification information include at least the identification information of the vehicle and the vehicle. Including direction information of a communication direction in which the communication request is received and driving parameter information of the vehicle;
Sending a communication request with a high frequency signal through time division polling or simultaneous communication in a plurality of different communication directions symmetrical to the center of the vehicle in the plane where the vehicle is located; And
Receiving identification information that the neighboring vehicle responds with a high frequency signal; Vehicle and vehicle identification and detection method comprising a. The method of claim 1,
Receives a communication request transmitted by a high frequency signal from a neighboring vehicle in eight different communication directions symmetrical to the center of the vehicle viewed from the plane where the vehicle is located, and also communicates in the eight different communication directions one by one through time division polling or simultaneous communication. A method of identifying and detecting a vehicle-to-vehicle, comprising sending a request. The method of claim 1,
And analyzing and calculating a distance between the vehicle and a neighboring vehicle based on the radio signal of the identification information. The method of claim 1,
And determining a bearing of a neighboring vehicle with respect to the vehicle based on the communication direction of the antenna that has received the identification information or the contents of the identification information. The method of claim 1,
Receiving the communication request in a different communication direction through a plurality of high frequency communication units, the high frequency communication unit including a high frequency communication module and an antenna electrically connected to the high frequency communication module, wherein each of the high frequency communication units The communication direction of the antennas is different and each of the high frequency communication units is switchable between an active mode and a passive state in a normal state, and the adjacent vehicle in the preset communication direction via the antenna electrically connected when the high frequency communication unit is in the passive mode. Receives a communication request from the mobile station, and the high frequency communication unit responds with identification information to a nearby vehicle that has transmitted the communication request based on the communication direction of the antenna through the electrically connected antenna after receiving the communication request; ; And converts the plurality of high frequency communication units into an active mode by time division polling or simultaneous communication using a communication master module, and the communication master module is electrically connected to the antenna of the high frequency communication unit in an active mode. And the module sends a communication request through the communication direction of the electrically connected antenna and obtains identification information answered by a nearby vehicle through the electrically connected antenna. The method of claim 5,
The antenna is a linear polarization antenna, and the polarization direction of the linear polarization antenna of any two adjacent high frequency communication units is different, and the polarization direction includes horizontal polarization and vertical polarization. Way. The method of claim 5,
The antenna is a circular polarization antenna, wherein the circular polarization direction of the circular polarization antenna of any two adjacent high frequency communication units is different, and the circular polarization direction includes a left turning circular polarization and a preferential circular polarization. How to identify and detect vehicles. The method of claim 5,
Vehicle to vehicle identification and detection method, characterized in that the antenna is a narrow beam antenna. In the vehicle-to-vehicle identification and detection device,
A plurality of high frequency communication units, one SPMT switch and one communication master module; The high frequency communication unit includes a high frequency communication module and an antenna electrically connected to the high frequency communication module, wherein the antennas of the plurality of high frequency communication units each have a different communication direction symmetric to the center of the vehicle in the plane where the vehicle is located. It is responsible for conducting high frequency communication, the communication direction of the antenna of each of the high frequency communication unit is different, each of the high frequency communication unit is switchable between the active mode and the passive mode of the normal state and the high frequency communication unit is the passive mode When receiving a communication request from a neighboring vehicle in the preset communication direction through the electrically connected antenna, and the high frequency communication unit receives the communication request and follows the communication direction of the antenna through the electrically connected antenna. The person who sent the communication request Response to the identification information about the vehicle, and; The communication master module switches the plurality of the high frequency communication units to the active mode in time division polling or simultaneous communication mode through the SPMT switch, and the communication master module is electrically connected to the antenna of the high frequency communication unit in the active mode. And the communication master module sends a communication request through the communication direction of the electrically connected antenna and obtains identification information answered by a nearby vehicle through the electrically connected antenna. . The method of claim 9,
A vehicle comprising eight said high frequency communication units, said antenna of said eight high frequency communication units being responsible for conducting high frequency communication in eight communication directions symmetrical to the vehicle center in a plane on which the vehicle is located; Vehicle identification and detection device. The method of claim 9,
The communication master module is an RFID reader and the high frequency communication unit includes a high frequency communication module and an antenna; The high frequency communication module includes a tag chip of a high frequency identification tag and an SPDT switch, and stores the identification information in the tag chip. The tag chip is connected to the antenna through the SPDT switch when the high frequency communication unit is in a passive mode. The communication master module is electrically connected to the antenna via the SPDT switch and disconnects the electrical connection between the tag chip and the antenna when the high frequency communication unit is electrically connected. Vehicle identification and detection device. The method of claim 9,
And the identification information includes at least vehicle identification information, direction information of a communication direction in which the vehicle receives a communication request, and driving parameter information of the vehicle. The method of claim 9,
The antenna is a linear polarization antenna, and the polarization direction of the linear polarization antenna of any two adjacent high frequency communication units is different, and the polarization direction includes horizontal polarization and vertical polarization. Device. The method of claim 9,
The antenna is a circular polarization antenna, wherein the circular polarization direction of the circular polarization antenna of any two adjacent high frequency communication units is different, and the circular polarization direction includes a left turning circular polarization and a preferential circular polarization. Vehicle identification and detection device. The method of claim 9,
And the antenna is a narrow beam antenna. The method of claim 9,
And an information processor disposed in the vehicle, wherein the information processor is capable of analyzing and calculating a distance between the vehicle and a nearby vehicle based on a radio signal of the identified identification information. The method of claim 16,
And the information processor determines a bearing of a nearby vehicle with respect to the vehicle based on the communication direction of any antenna or the contents of the identification information which has received the response information.

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