KR20150120150A - Communication device between vehicles and communication method thereof - Google Patents

Abstract

Disclosed are a communication device between vehicles and a communication method thereof. The communication device between vehicles according to an embodiment of the present invention comprises: a detection unit to detect a current communication signal intensity of a second communication unit which communicates with of a first communication unit disposed on at least one target vehicle; an estimation unit to estimate first relative distance information to the target vehicle based on the detected current communication signal intensity; a calculation unit to calculate target relative distance information according to the current communication signal intensity using the estimated first relative distance information and second relative distance information to the target vehicle supplied from a satellite navigation device via the second communication unit; and a control unit to receive the detected current communication signal intensity, transfer an estimation command to the estimation unit to estimate the first relative distance information to the target vehicle, and transfer a calculation command to the calculation unit to calculate the target relative distance information according to the current communication signal intensity.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a communication device,

The present invention relates to an intervehicular communication apparatus and a communication method therefor.

Conventionally, a conventional intervehicle communication apparatus has been provided to prevent collision between vehicles by performing communication with a satellite navigation apparatus to measure relative distances between the vehicles.

Since the conventional inter-vehicular communication apparatus needs to measure the relative distance with respect to the other vehicle using the satellite navigation apparatus, the relative distance is determined according to the communication reception rate with the satellite navigation apparatus, There was a limit.

Therefore, the conventional intervehicular communication apparatus must recognize the relative distance depending on the current transmission state of the satellite navigation apparatus, and thus there is a limit to the reliability of the method of measuring the relative distance using the satellite navigation apparatus.

Accordingly, in recent years, an improved inter-vehicle communication apparatus and a communication method therefor have been continuously studied to more accurately measure the relative distance to the opponent vehicle.

An embodiment of the present invention is intended to provide an inter-vehicle communication apparatus and a communication method therefor which can more accurately measure the relative distance to a relative vehicle.

In addition, an embodiment of the present invention is intended to provide an inter-vehicle communication device and a communication method therefor that can drive a driver to a driver's attention.

In addition, an embodiment of the present invention is intended to provide an inter-vehicle communication apparatus and a communication method therefor which can improve the efficiency of traveling while preventing collision with the other vehicle.

Further, an embodiment of the present invention is intended to provide an inter-vehicle communication apparatus and a communication method therefor that can prevent a collision between vehicles further.

Furthermore, an embodiment of the present invention is intended to provide an inter-vehicle communication device and a communication method therefor, which can accelerate initial response to a relative vehicle whose behavior is strange.

According to an aspect of the present invention, there is provided a communication apparatus including: a sensing unit for sensing a current communication signal strength of a second communication unit communicating with a first communication unit provided in at least one opponent vehicle; An estimating unit that estimates first relative distance information with the opponent vehicle based on the detected current communication signal strength; A calculating unit for calculating target relative distance information according to the current communication signal strength using the estimated first relative distance information and second relative distance information from the satellite navigation apparatus through the second communication unit; And transmitting the estimation command to the estimation unit so as to estimate the first relative distance information with respect to the other vehicle, and to calculate the target relative distance information according to the current communication signal intensity, And a control unit for transmitting the control signal.

At this time, the first relative distance information may have a correlation of the current received signal strength of the current communication signal strength with the current transmission signal strength, the current transmission and reception signal length, the antenna gain, and the circle radius value according to the communication radius.

The apparatus may further include a first identifying unit that identifies that the target relative distance information is calculated when the target relative distance information is calculated.

The apparatus may further include a second identification unit for identifying the calculated target relative distance information.

In addition, the controller may further transmit a speed adjustment command to the speed adjusting device so as to maintain the distance from the opponent vehicle in accordance with the calculated target relative distance information.

Further, the second communication unit can further receive the behavior information of the opponent vehicle from the first communication unit.

The information processing apparatus may further include a third identification unit for identifying the behavior information of the opponent vehicle supplied from the first communication unit through the second communication unit.

When the behavior information of the opponent vehicle is abnormal in the case where the behavior information of the opponent vehicle is discriminated by the third identification unit, the corresponding opponent vehicle is notified of the corresponding operation through the first communicator and the second communicator, And a first calling unit for calling the vehicle.

When the behavior information of the opponent vehicle is abnormal in identifying the behavior information of the opponent vehicle in the third identification unit, the third communication unit of the control apparatus and the second And a second calling unit for calling the control apparatus through the communication unit.

According to another aspect of the present invention, there is provided a control method for a vehicle, comprising: sensing a current communication signal strength of a second communication unit communicating with a first communication unit provided in at least one opponent vehicle; Estimating first relative distance information with the opponent vehicle based on the detected current communication signal strength; And calculating the target relative distance information according to the current communication signal strength using the estimated first relative distance information and the second relative distance information supplied from the satellite navigation device through the second communication unit I can do it.

At this time, the first relative distance information may have a correlation of the current received signal strength of the current communication signal strength with the current transmission signal strength, the current transmission and reception signal length, the antenna gain, and the circle radius value according to the communication radius.

Further, when calculating the target relative distance information, it is possible to further perform a first identifying step for identifying that the target relative distance information is calculated.

Further, it is possible to further perform a second identification step of identifying the calculated target relative distance information.

In addition, a speed adjusting step may be further performed to further transmit a speed adjusting command to the speed adjusting device so as to maintain the distance from the opponent vehicle in accordance with the calculated target relative distance information.

Further, it is possible to further carry out the relative vehicle behavior information reception step of receiving the behavior information of the opponent vehicle supplied from the first communication unit at the second communication unit.

Furthermore, it is possible to further perform a third identification step of identifying the behavior information of the opponent vehicle supplied from the first communication unit through the second communication unit.

In addition, when the behavior information of the opponent vehicle is abnormal in identifying the behavior information of the opponent vehicle, it is also possible to use the first communicator and the second communicator to call the opponent vehicle through the first communicator and the second communicator, One more call step can be performed.

When the behavior information of the opponent vehicle is abnormal in identifying the behavior information of the opponent vehicle, the control unit of the control center informs the control unit of the abnormal situation via the third communication unit and the second communication unit of the control apparatus, And a second calling step of calling the second calling step.

The inter-vehicle communication device and the communication method thereof according to the embodiment of the present invention can more accurately measure the relative distance to the opponent vehicle.

Further, the inter-vehicle communication apparatus and the communication method thereof according to the embodiment of the present invention can induce the driver to perform caution operation.

Further, the vehicle-to-vehicle communication apparatus and the communication method according to the embodiment of the present invention can improve the traveling efficiency while preventing collision with the opponent vehicle.

Further, the inter-vehicle communication device and the communication method thereof according to the embodiment of the present invention can further prevent collision between vehicles.

Furthermore, the inter-vehicle communication device and the communication method thereof according to the embodiment of the present invention can speed up the initial response to the opponent vehicle whose behavior is abnormal.

1 is a block diagram of an intervehicular communication apparatus according to a first embodiment of the present invention performing communication with a counterpart vehicle and a satellite navigation apparatus;
Fig. 2 is a block diagram showing an example of the inter-vehicle communication device shown in Fig. 1. Fig.
FIG. 3 is a flowchart showing a vehicle-to-vehicle communication method of the inter-vehicle communication device according to the first embodiment of the present invention.
4 is a block diagram showing an example of an intervehicular communication apparatus according to a second embodiment of the present invention.
5 is a flowchart showing a method for communicating between vehicles of an intervehicular communication apparatus according to a second embodiment of the present invention.
6 is a block diagram showing an example of an intervehicular communication apparatus according to a third embodiment of the present invention.
FIG. 7 is a flowchart showing a method for inter-vehicle communication of an intervehicular communication device according to a third embodiment of the present invention; FIG.
FIG. 8 is a block diagram showing a state in which an intervehicle communication apparatus according to a fourth embodiment of the present invention communicates with a relative vehicle and a satellite navigation apparatus and is connected to a speed adjusting apparatus. FIG.
Fig. 9 is a block diagram showing an example of the intervehicle communication device and the speed adjusting device shown in Fig. 8;
FIG. 10 is a flowchart showing a method for communication between vehicles of an intervehicular communication device according to a fourth embodiment of the present invention; FIG.
11 is a block diagram showing an example of a vehicle-to-vehicle communication apparatus according to a fifth embodiment of the present invention.
FIG. 12 is a flowchart showing a vehicle-to-vehicle communication method of the inter-vehicle communication device according to the fifth embodiment of the present invention; FIG.
13 is a block diagram showing an example of an intervehicular communication apparatus according to a sixth embodiment of the present invention.
14 is a flowchart showing a vehicle-to-vehicle communication method of an intervehicular communication apparatus according to a sixth embodiment of the present invention;
15 is a block diagram of an intervehicular communication apparatus according to a seventh embodiment of the present invention performing communication with a counterpart vehicle, a satellite navigation apparatus and a control apparatus.
Fig. 16 is a block diagram showing an example of the intervehicular communication apparatus shown in Fig. 15. Fig.
17 is a flowchart showing a method for communication between vehicles of an intervehicular communication device according to a seventh embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following embodiments are provided to fully convey the spirit of the present invention to a person having ordinary skill in the art to which the present invention belongs. The present invention is not limited to the embodiments shown herein but may be embodied in other forms. For the sake of clarity, the drawings are not drawn to scale, and the size of the elements may be slightly exaggerated to facilitate understanding.

FIG. 1 is a block diagram of a vehicle-to-vehicle communication apparatus according to a first embodiment of the present invention for performing communication with a counterpart vehicle and a satellite navigation apparatus, FIG. 2 is a block diagram FIG.

1 and 2, an intervehicular communication apparatus 100 according to a first embodiment of the present invention includes a second communication unit 101, a sensing unit 102, an estimating unit 104, and a calculating unit 106. [ And a control unit 108.

The sensing unit 102 senses the current communication signal strength of the second communication unit 101 that communicates with the first communication unit 10a provided in the at least one opponent vehicle 10. [

At this time, the first communication unit 10a and the second communication unit 101 are connected to a common Wi-Fi module (not shown), a Wibro module (not shown) and a Wimax module (not shown) And may include at least one.

The estimator 104 estimates the first relative distance information with the opponent vehicle 10 based on the current communication signal intensity sensed by the sensing unit 102. [

At this time, the first relative distance information may have a correlation of the current received signal strength of the current communication signal strength with the current transmission signal strength, the current transmission and reception signal length, the antenna gain, and the circle radius value according to the communication radius.

That is, the first relative distance information may have a correlation as expressed by Equation (1) below.

&Quot; (1) "

는 제 1 상대 거리,

은 현재 수신 신호 세기,

는 현재 송신 신호 세기,

는 현재 송수신되는 신호 길이,

는 안테나 이득,

는 통신 반경에 따른 원주율값임.At this time,

Is a first relative distance,

The current received signal strength,

The current transmission signal strength,

The length of the currently transmitted and received signal,

Antenna gain,

Is the value of the circumferential ratio according to the communication radius.

The calculating unit 106 calculates the first relative distance information estimated from the estimating unit 104 and the second relative distance information between the relative vehicle 10 supplied from the navigation device 30 via the second communication unit 101 To calculate the target relative distance information according to the current communication signal strength.

For example, the calculating unit 106 may mix the first relative distance information and the second relative distance information, and may calculate the target relative distance information, which is optimized according to the current communication signal strength, based on the mixed first and second relative distance information, It is possible to calculate the target relative distance information with the opponent vehicle 10 by extracting the distance information.

At this time, although not shown, the calculating unit 106 may mix the first relative distance information and the second relative distance information using a conventional sensor fusion algorithm (not shown), and the mixed first relative distance information and the second relative distance information The target relative distance information with the opponent vehicle 10 optimized according to the current communication signal strength can be calculated based on the distance information.

The control unit 108 receives the current communication signal strength detected by the sensing unit 102 and transmits an estimation command to the estimation unit 104 to estimate the first relative distance information with the other vehicle 10, And transmits a calculation command to the calculation unit 106 so as to calculate the target relative distance information according to the signal strength.

An inter-vehicle communication method for performing inter-vehicle communication using the inter-vehicle communication device 100 according to the first embodiment of the present invention will be described with reference to FIG.

3 is a flowchart showing a method of communicating between vehicles of the vehicle communication apparatus according to the first embodiment of the present invention.

3, the inter-vehicle communication method 300 of the inter-vehicle communication apparatus 100 according to the first embodiment of the present invention performs sensing step S302, estimation step S304, and calculating step S306 do.

The sensing step S302 detects the current communication signal intensity of the second communication unit 101 communicating with the first communication unit 10a provided in at least one of the opponent vehicle 10 under the control of the control unit 108 (102).

Thereafter, the estimation step S304 determines the first relative distance information with the relative vehicle 10 based on the current communication signal intensity detected by the sensing unit 102, based on the control of the control unit 108, .

At this time, the first relative distance information may have a correlation of the current received signal strength of the current communication signal strength with the current transmission signal strength, the current transmission and reception signal length, the antenna gain, and the circle radius value according to the communication radius.

That is, the first relative distance information is expressed by Equation (1).

&Quot; (1) "

는 제 1 상대 거리,

은 현재 수신 신호 세기,

는 현재 송신 신호 세기,

는 현재 송수신되는 신호 길이,

는 안테나 이득,

는 통신 반경에 따른 원주율값임.At this time,

Is a first relative distance,

The current received signal strength,

The current transmission signal strength,

The length of the currently transmitted and received signal,

Antenna gain,

Is the value of the circumferential ratio according to the communication radius.

The calculating step S306 then calculates the first relative distance information estimated by the estimating unit 104 and the second relative distance information of the second vehicle relative to the opponent vehicle 10 supplied from the navigation device 30 via the second communication unit 101, The control unit 108 calculates the target relative distance information according to the current communication signal strength using the relative distance information in the calculation unit 106. [

For example, the calculating step S306 may include mixing the first relative distance information and the second relative distance information in the calculating unit 106, and comparing the current communication signal intensity with the first relative distance information and the second relative distance information, And the target relative distance information with the opponent vehicle 10 can be calculated by the calculating unit 106 by extracting the target relative distance information optimized in accordance with the target relative distance information.

The intervehicle communication apparatus 100 and the communication method 300 according to the first embodiment of the present invention may include the second communication unit 101, the sensing unit 102, the estimating unit 104, and the calculating unit 106 And a control unit 108 to perform a sensing step S302, an estimating step S304, and a calculating step S306.

Therefore, the intervehicle communication apparatus 100 and the communication method 300 according to the first embodiment of the present invention are configured to transmit the target relative distance, which is optimized according to the current communication signal intensity, on the basis of the first relative distance information and the second relative distance information, It is possible to more accurately measure the relative distance to the opponent vehicle 10 because the distance information can be calculated.

4 is a block diagram showing an example of the inter-vehicle communication apparatus according to the second embodiment of the present invention.

4, the intervehicle communication apparatus 400 according to the second embodiment of the present invention includes a second communication unit 401 and a second communication unit 401, which are similar to the intervehicle communication apparatus 100 of FIG. A calculation unit 402, an estimating unit 404, a calculating unit 406, and a control unit 408.

The second communication unit 401, the sensing unit 402, the estimating unit 404, the calculating unit 406, and the controlling unit 408 of the intervehicle communication apparatus 400 according to the second embodiment of the present invention, 2 and the estimating unit 102 and the estimating unit 102 shown in Fig. 2) of the intervehicle communication apparatus 100 (Fig. 2) according to the first embodiment, The function of the calculation unit 104 (Fig. 2) 106 and the control unit 108 (Fig. 2), and the organic connection relation therebetween, respectively.

Here, the intervehicle communication apparatus 400 according to the second embodiment of the present invention further includes a first identification unit 409. [

That is, the first identifying unit 409 identifies that the target relative distance information is calculated when the calculating unit 406 calculates the target relative distance information under the control of the control unit 408. [

At this time, although not shown, the first identification unit 409 typically includes at least one of an alarm (not shown), a speaker (not shown) and a light emitting member (not shown) provided for the driver to identify the information or state of the vehicle It is possible to identify that the target relative distance information is calculated through at least one of an alarm operation of an alarm (not shown), a voice operation of a speaker (not shown) and a light emitting operation of a light emitting member (not shown).

Although not shown, the first identification unit 409 typically includes a HMI (Human Machine Interface) module (not shown) and a HUD (Head-To- UP Display module (not shown) and a HUD (Human-Machine Interface) message display operation of a HMI (Human-Machine Interface) module (not shown) (Head-UP Display) message display operation, it is possible to identify that the target relative distance information is calculated.

An inter-vehicle communication method for performing inter-vehicle communication using the inter-vehicle communication device 400 according to the second embodiment of the present invention will be described with reference to FIG.

5 is a flowchart showing a method for communication between vehicles in the inter-vehicle communication device according to the second embodiment of the present invention.

5, an intervehicle communication method 500 of an intervehicle communication device 400 according to a second embodiment of the present invention is a method of intervehaving an intervehicle communication device (100 of FIG. 2) according to the first embodiment The sensing step S502, the estimating step S504, and the calculating step S506 are performed in the same manner as the communication method 300 of FIG.

The functions of the sensing step S502, the estimating step S504 and the calculating step S506 of the inter-vehicle communication method 500 of the intervehicle communication device 400 according to the second embodiment of the present invention and the functions thereof 3) of the inter-vehicle communication method (S302 of FIG. 3) and the estimation step (S304 of FIG. 3) of the inter-vehicle communication method (300 of FIG. 3) And the calculation step (S306 in Fig. 3) and the organic connection relation between them, respectively, and respective further explanations thereof will be omitted below.

Here, the inter-vehicle communication method 500 of the intervehicle communication device 400 according to the second embodiment of the present invention further performs the first identification step S507.

For example, the first identifying step S507 may be performed after the calculating step S506.

In the first identifying step S507, under the control of the control unit 408, when calculating the target relative distance information in the calculating unit 406, the control unit 408 determines that the target relative distance information is calculated, And is identified by the identification unit 409.

The intervehicle communication apparatus 400 and the communication method 500 according to the second embodiment of the present invention may include the second communication unit 401, the sensing unit 402, the estimating unit 404, and the calculating unit 406 The control unit 408 and the first identifying unit 409 to perform the sensing step S502, the estimating step S504, the calculating step S506, and the first identifying step S507.

Therefore, the intervehicle communication device 400 and the communication method 500 thereof according to the second embodiment of the present invention are configured to transmit the target relative It is possible to more accurately measure the relative distance to the opponent vehicle 10 because the distance information can be calculated.

Further, the inter-vehicle communication device 400 and the communication method 500 according to the second embodiment of the present invention can identify that the target relative distance information is calculated, so that it is possible to recognize that the target relative distance information is calculated So that the driver can be guided to drive the driver's vehicle.

FIG. 6 is a block diagram illustrating an intervehicle communication apparatus according to a third embodiment of the present invention.

6, the intervehicle communication apparatus 600 according to the third embodiment of the present invention includes a second communication unit 601 and a second communication unit 602, similar to the intervehicle communication apparatus 100 (FIG. 2) A calculating unit 602, an estimating unit 604, a calculating unit 606, and a controlling unit 608. [

The second communication unit 601, the sensing unit 602, the estimating unit 604, the calculating unit 606, and the controlling unit 608 of the intervehicle communication apparatus 600 according to the third embodiment of the present invention, 2 and the estimating unit 102 and the estimating unit 102 shown in Fig. 2) of the intervehicle communication apparatus 100 (Fig. 2) according to the first embodiment, The function of the calculation unit 104 (Fig. 2) 106 and the control unit 108 (Fig. 2), and the organic connection relation therebetween, respectively.

Here, the intervehicle communication apparatus 600 according to the third embodiment of the present invention further includes a second identification unit 611. [

That is, the second identification unit 611 identifies the target relative distance information calculated by the calculation unit 606 under the control of the control unit 608. [

Although not shown, the second identification unit 611 typically includes an HMI (Human Machine Interface) module (not shown) and a HUD (Head-To- UP Display module (not shown) and a HUD (Human-Machine Interface) message display operation of a HMI (Human-Machine Interface) module (not shown) (Head-UP Display) message displayed on the display unit.

An inter-vehicle communication method for performing inter-vehicle communication using the inter-vehicle communication device 600 according to the third embodiment of the present invention will be described with reference to FIG.

FIG. 7 is a flowchart showing a method of communication between vehicles of an intervehicular communication apparatus according to a third embodiment of the present invention.

7, an intervehicle communication method 700 of an intervehicle communication device 600 according to a third embodiment of the present invention is a method of intervehaving a vehicle between intervehicle communication devices (100 in FIG. 2) according to the first embodiment The sensing step S502, the estimating step S504, and the calculating step S506 are performed in the same manner as the communication method 300 of FIG.

The functions for the sensing step S702, the estimating step S704 and the calculating step S706 of the inter-vehicle communication method 700 of the intervehicle communication apparatus 600 according to the third embodiment of the present invention and the functions therebetween 3) of the inter-vehicle communication method (S302 of FIG. 3) and the estimation step (S304 of FIG. 3) of the inter-vehicle communication method (300 of FIG. 3) And the calculation step (S306 in Fig. 3) and the organic connection relation between them, respectively, and respective further explanations thereof will be omitted below.

Here, the inter-vehicle communication method 700 of the intervehicle communication device 600 according to the third embodiment of the present invention further performs the second identification step S709.

For example, the second identifying step S709 may be performed after the calculating step S706.

The second identification step S709 identifies the target relative distance information calculated by the calculation unit 606 under the control of the control unit 608 in the second identification unit 611 under the control of the control unit 608. [

The intervehicular communication apparatus 600 and the communication method 700 according to the third embodiment of the present invention may include the second communication unit 601, the sensing unit 602, the estimating unit 604, and the calculating unit 606 The control unit 608 and the second identifying unit 611 to perform the sensing step S702, the estimating step S704, the calculating step S706, and the second identifying step S709.

Therefore, the intervehicle communication device 600 and the communication method 700 thereof according to the third embodiment of the present invention are configured to transmit the target relative It is possible to more accurately measure the relative distance to the opponent vehicle 10 because the distance information can be calculated.

Further, the inter-vehicle communication apparatus 600 and the communication method 700 thereof according to the third embodiment of the present invention can identify the calculated target relative distance information, so that it is possible to recognize the target relative distance information calculated by the driver So that the driver can be guided to drive the driver's vehicle.

FIG. 8 is a block diagram showing a state in which the inter-vehicle communication apparatus according to the fourth embodiment of the present invention communicates with the relative vehicle and the satellite navigation apparatus and is connected to the speed adjusting apparatus, FIG. 2 is a block diagram showing an example of a communication device and a speed adjusting device.

8 and 9, an intervehicle communication device 800 according to a fourth embodiment of the present invention is similar to the intervehicle communication device 100 (Figs. 1 and 2) according to the first embodiment, A communication unit 801, a sensing unit 802, an estimating unit 804, a calculating unit 806, and a control unit 808.

The second communication unit 801, the sensing unit 802, the estimating unit 804, the calculating unit 806, and the controlling unit 808 of the intervehicle communication apparatus 800 according to the fourth embodiment of the present invention, 2) of the inter-vehicle communication apparatus (100 of Figs. 1 and 2), the sensing unit (102 of Fig. 2), and the estimating unit The functions of the control unit (104 in FIG. 2), the calculation unit (106 in FIG. 2) and the control unit (108 in FIG. 2) are the same as the organic connection relationship therebetween. .

The control unit 808 of the intervehicle communication device 800 according to the fourth embodiment of the present invention maintains the interval with respect to the opponent vehicle 10 in accordance with the target relative distance information calculated by the calculating unit 806 And further transmits a speed adjustment command to the speed adjusting device 50. [

For example, the control unit 808 instructs the speed adjusting device 50 to issue a speed lowering command corresponding to the speed adjusting command so as to maintain the interval with respect to the opponent vehicle 10 in accordance with the target relative distance information calculated from the calculating unit 806 Can be delivered.

The control unit 808 instructs the speed adjusting device 50 to adjust the speed relative to the relative vehicle 10 in accordance with the target relative distance information calculated by the calculating unit 806, .

At this time, the speed regulating device 50 may include a conventional actuator (not shown) although not shown.

An inter-vehicle communication method for performing inter-vehicle communication using the inter-vehicle communication device 800 according to the fourth embodiment of the present invention will be described below with reference to FIG.

FIG. 10 is a flowchart showing a method of inter-vehicle communication of the inter-vehicle communication device according to the fourth embodiment of the present invention.

10, the inter-vehicle communication method 1000 of the intervehicle communication device 800 according to the fourth embodiment of the present invention is the same as the intervehicle communication device 1000 of the first embodiment (100 of FIGS. 1 and 2) The sensing step S1002, the estimating step S1004, and the calculating step S1006 are performed in the same manner as the vehicle-to-vehicle communication method 300 of FIG.

The functions for the sensing step S1002, the estimating step S1004 and the calculating step S1006 of the inter-vehicle communication method 1000 of the intervehicle communication device 800 according to the fourth embodiment of the present invention and the functions therebetween 3) of the intervehicular communication method (S 300 in FIG. 3) and the estimation step (FIG. 3) of the intervehicle communication apparatus 100 of FIGS. 1 and 2 according to the first embodiment (S304 of FIG. 3) and the calculation step (S306 of FIG. 3), and the organic connection relationship therebetween, so that respective further explanations thereof will be omitted below.

Here, the inter-vehicle communication method 1000 of the intervehicle communication device 800 according to the fourth embodiment of the present invention further performs a speed adjusting step (S1011).

For example, the speed adjustment step S1011 may be performed after the calculation step S1006.

The speed adjusting step S1011 is performed by the control unit 1108 so as to maintain the distance from the opponent vehicle 10 in accordance with the target relative distance information calculated by the calculating unit 806 under the control of the control unit 808, (50).

For example, the speed adjustment step S1011 is performed in accordance with the control of the control unit 808 so as to maintain the distance from the opponent vehicle 10 in accordance with the target relative distance information calculated by the calculating unit 806 The speed down command corresponding to the speed control command can be transmitted.

The speed adjusting step S1011 may control the speed adjusting device 50 to maintain the distance from the opponent vehicle 10 in accordance with the target relative distance information calculated by the calculating unit 806 under the control of the controlling unit 808, Speed command corresponding to the speed control command.

The intervehicle communication apparatus 800 and the communication method 1000 according to the fourth embodiment of the present invention may include the second communication unit 801, the sensing unit 802, the estimating unit 804, and the calculating unit 806 And a controller 808 to perform the sensing step S1002, the estimating step S1004, the calculating step S1006, and the speed adjusting step S1011.

Accordingly, the intervehicle communication device 800 and the communication method 1000 according to the fourth embodiment of the present invention are configured to transmit the target relative It is possible to more accurately measure the relative distance to the opponent vehicle 10 because the distance information can be calculated.

The vehicle-to-vehicle communication apparatus 800 and the communication method 1000 according to the fourth embodiment of the present invention may also be configured such that the distance between the vehicle and the opponent vehicle 10 is maintained in accordance with the calculated target relative distance information, The speed down command or the speed up command corresponding to the speed control command can be transmitted to the other vehicle 10, thereby preventing the collision with the opponent vehicle 10 and improving the traveling efficiency.

11 is a block diagram showing an example of a vehicle communication apparatus according to a fifth embodiment of the present invention.

11, an intervehicle communication apparatus 1100 according to a fifth embodiment of the present invention includes a second communication unit 1101 and a second communication unit 1102, similar to the intervehicle communication apparatus 100 (FIG. 2) An estimating unit 1104, a calculating unit 1106, and a controlling unit 1108. [0086]

The second communication unit 1101, the sensing unit 1102, the estimating unit 1104, the calculating unit 1106, and the controlling unit 1108 of the intervehicle communication apparatus 1100 according to the fifth embodiment of the present invention, 2 and the estimating unit 102 and the estimating unit 102 shown in Fig. 2) of the intervehicle communication apparatus 100 (Fig. 2) according to the first embodiment, The function of the calculation unit 104 (Fig. 2) 106 and the control unit 108 (Fig. 2), and the organic connection relation therebetween, respectively.

Here, the intervehicle communication apparatus 1100 according to the fifth embodiment of the present invention further includes a third identification unit 1113. [

That is, the second communication unit 1101 of the intervehicular communication apparatus 1100 according to the fifth embodiment of the present invention further supplies the behavior information of the opponent vehicle (10 in Fig. 1) from the first communication unit do.

1) supplied from the first communication unit (10a in FIG. 1) through the second communication unit 1101 under the control of the control unit 1108 And is identified by the third identification unit 1113.

Although not shown, the third identification unit 1113 typically includes an HMI (Human Machine Interface) module (not shown) and a HUD (Head-To-Vehicle) module, which are installed to interfere with a user and a machine, UP Display module (not shown) and a HUD (Human-Machine Interface) message display operation of a HMI (Human-Machine Interface) module (not shown) (10 in Fig. 1) through at least one operation among the head-up display message display operation.

An inter-vehicle communication method for performing inter-vehicle communication using the inter-vehicle communication device 1100 according to the fifth embodiment of the present invention will be described with reference to FIG.

FIG. 12 is a flowchart showing a method for communication between vehicles in the vehicle-to-vehicle communication apparatus according to the fifth embodiment of the present invention.

12, an intervehicle communication method 1200 of the intervehicle communication apparatus 1100 according to the fifth embodiment of the present invention is a method of intervehaving the intervehicle communication apparatus (100 of FIG. 2) according to the first embodiment The sensing step S502, the estimating step S504, and the calculating step S506 are performed in the same manner as the communication method 300 of FIG.

The functions for the sensing step S1202, the estimating step S1204 and the calculating step S1206 of the inter-vehicle communication method 1200 of the intervehicle communication apparatus 1100 according to the fifth embodiment of the present invention, 3) of the inter-vehicle communication method (S302 of FIG. 3) and the estimation step (S304 of FIG. 3) of the inter-vehicle communication method (300 of FIG. 3) And the calculation step (S306 in Fig. 3) and the organic connection relation between them, respectively, and respective further explanations thereof will be omitted below.

The inter-vehicle communication method 1200 of the inter-vehicle communication device 1100 according to the fifth embodiment of the present invention further performs the relative vehicle behavior information receiving step S1213 and the third identifying step S1215.

That is, the relative vehicle behavior information receiving step S1213 receives the behavior information of the relative vehicle (10 in Fig. 1) supplied from the first communication unit (10a in Fig. 1) to the second communication unit 1101 under the control of the control unit 1108, Lt; / RTI >

Thereafter, in the third identification step S1215, the behavior information of the opponent vehicle (10 in Fig. 1) supplied from the first communication unit (10a in Fig. 1) through the second communication unit 1101 is controlled by the control unit 1108 The third identification unit 1113 identifies the second identification information.

The intervehicle communication apparatus 1100 and the communication method 1200 according to the fifth embodiment of the present invention may include the second communication unit 1101, the sensing unit 1102, the estimating unit 1104, and the calculating unit 1106 The control unit 1108 and the third identifying unit 1113 to perform the sensing step S1202, the estimating step S1204 and the calculating step S1206, the relative vehicle behavior information receiving step S1213, and the third identifying step S1215).

Therefore, the inter-vehicle communication device 1100 and the communication method 1200 thereof according to the fifth embodiment of the present invention can acquire the target relative distance, which is optimized according to the current communication signal intensity, based on the first relative distance information and the second relative distance information. It is possible to more accurately measure the relative distance to the opponent vehicle 10 because the distance information can be calculated.

Further, the inter-vehicle communication apparatus 1100 and the communication method 1200 thereof according to the fifth embodiment of the present invention can identify the behavior information of the opponent vehicle 10, do.

13 is a block diagram showing an example of an intervehicular communication apparatus according to a sixth embodiment of the present invention.

13, the intervehicle communication apparatus 1300 according to the sixth embodiment of the present invention includes a second communication unit 1301 and a second communication unit 1302, similar to the intervehicle communication apparatus 1100 (1100 of FIG. 11) A calculation unit 1306, a control unit 1308 and a third identification unit 1313. The control unit 1308 controls the operation of the control unit 1308,

The second communication unit 1301, the sensing unit 1302, the estimating unit 1304, the calculating unit 1306, the controlling unit 1308, and the second communication unit 1301 of the intervehicle communication apparatus 1300 according to the sixth embodiment of the present invention 3 identification unit 1313 and the organic connection relationship therebetween are the same as those of the second communication unit (1101 of FIG. 11) and the sensing unit (FIG. 11) of the intervehicular communication apparatus (1100 of FIG. 11) 11) and the function of the estimation unit (1104 of FIG. 11), the calculation unit 1106 of FIG. 11, the control unit 1108 of FIG. 11 and the third identification unit 1113 of FIG. And therefore, the detailed description thereof will be omitted below.

Here, the intervehicle communication apparatus 1300 according to the sixth embodiment of the present invention further includes a first calling unit 1315. [

1) of the opponent vehicle (10 in Fig. 1) in the third identification unit 1313 under the control of the control unit 1308, 1) through the first communication unit (10a in FIG. 1) and the second communication unit 1301 so as to inform the corresponding vehicle (10 in FIG. 1) Of 10).

Here, although not shown, the first calling unit 1315 may include a conventional call button (not shown) provided inside the vehicle to call the corresponding vehicle (10 in Fig. 1).

An inter-vehicle communication method for performing inter-vehicle communication using the inter-vehicle communication device 1300 according to the sixth embodiment of the present invention will be described with reference to FIG.

14 is a flowchart showing a method of communication between vehicles in the inter-vehicle communication device according to the sixth embodiment of the present invention.

14, an intervehicle communication method 1400 of an intervehicle communication apparatus 1300 according to a sixth embodiment of the present invention is a method of intervehicle communication between an intervehicle communication apparatus (1100 of FIG. 11) according to the fifth embodiment The sensing step S1402, the estimating step S1404, the calculating step S1406, the relative vehicle behavior information receiving step S1413, and the third identifying step S1415 are performed in the same manner as the communication method (1200 of FIG. 12).

In the inter-vehicle communication method 1400 of the inter-vehicle communication apparatus 1300 according to the sixth embodiment of the present invention, the sensing step S1402, the estimating step S1404, the calculating step S1406, and the relative vehicle behavior information receiving The functions for the step S1413 and the third identification step S1415 and the organic connection relationship therebetween are the same as the inter-vehicle communication method 1200 of FIG. 12 (1100 of FIG. 11) according to the fifth embodiment, 12), the relative vehicle behavior information reception step (S1213 in Fig. 12), and the third identification step (S1215 in Fig. 12), the estimation step (S1202 in Fig. 12) ), And the organic connection relationship therebetween, and therefore, respective additional descriptions thereof will be omitted below.

Here, the inter-vehicle communication method 1400 of the intervehicle communication device 1300 according to the sixth embodiment of the present invention further performs the first calling step S1417.

For example, the first calling step S1417 may be performed after the third identifying step S1415.

The first calling step S1417 is a step in which the relative vehicle (10 in Fig. 1) is operated to identify the behavior information of the opponent vehicle (10 in Fig. 1) in the third identifying section 1313 under the control of the control section 1308, 1) through the first communication unit (10a in FIG. 1) and the second communication unit 1301 so as to inform the corresponding vehicle (10 in FIG. 1) (10) in the first caller (1315).

The intervehicle communication apparatus 1300 and the communication method 1400 according to the sixth embodiment of the present invention may include the second communication unit 1301, the sensing unit 1302, the estimating unit 1304, and the calculating unit 1306 The control unit 1308, the third identifying unit 1313 and the first calling unit 1315 to perform the sensing step S1402, the estimating step S1404, the calculating step S1406, and the relative vehicle behavior information receiving step S1413), a third identifying step (S1415), and a first calling step (S1417).

Therefore, the intervehicle communication device 1300 and the communication method 1400 thereof according to the sixth embodiment of the present invention can calculate the target relative distance, which is optimized according to the current communication signal intensity, based on the first relative distance information and the second relative distance information, It is possible to more accurately measure the relative distance to the opponent vehicle 10 because the distance information can be calculated.

Also, the inter-vehicle communication device 1300 and the communication method 1400 according to the sixth embodiment of the present invention can identify the behavior information of the opponent vehicle 10, do.

The vehicle-to-vehicle communication apparatus 1300 and the communication method 1400 according to the sixth embodiment of the present invention may be configured such that if the behavior information of the opponent vehicle 10 is abnormal, The operation can be notified so that the collision between the vehicles can be prevented in advance.

Fig. 15 is a block diagram of a communication system for communicating with an intervehicle according to a seventh embodiment of the present invention communicating with an opponent vehicle, a satellite navigation apparatus and a control apparatus, Fig. 16 is a block diagram of the intervehicle communication apparatus shown in Fig. Fig.

15 and 16, an intervehicle communication apparatus 1500 according to a seventh embodiment of the present invention includes a second communication unit 1501 (second communication unit) 1501, which is the same as the intervehicle communication apparatus 1100 according to the fifth embodiment A sensing unit 1502, an estimating unit 1504 and a calculating unit 1506, a controller 1508 and a third identifying unit 1513. [

The second communication unit 1501, the sensing unit 1502, the estimating unit 1504, the calculating unit 1506, the controlling unit 1508, and the second communicating unit 1502 of the intervehicular communication apparatus 1500 according to the seventh embodiment of the present invention, 3 identification unit 1513 and the organic connection relationship therebetween are the same as those of the second communication unit (1101 of FIG. 11) and the sensing unit (FIG. 11) of the intervehicular communication apparatus 11) and the function of the estimation unit (1104 of FIG. 11), the calculation unit 1106 of FIG. 11, the control unit 1108 of FIG. 11 and the third identification unit 1113 of FIG. And therefore, the detailed description thereof will be omitted below.

Here, the intervehicle communication device 1500 according to the seventh embodiment of the present invention further includes a second calling unit 1517. [

That is, the second calling unit 1517 determines that the behavior information of the opponent vehicle 10 is abnormal (i.e., when the behavior information of the opponent vehicle 10 is abnormal) when the third identification unit 1513 identifies the behavior information of the opponent vehicle 10 under the control of the control unit 1508 (70a1) via the third communication unit 70a1 and the second communication unit 1501 of the control unit 70a so as to notify the control unit 70a of the control center 70 of an abnormal situation do.

Here, although not shown, the second calling unit 1517 may include a conventional call button (not shown) provided inside the vehicle to call the control apparatus 70a.

An inter-vehicle communication method for performing inter-vehicle communication using the inter-vehicle communication device 1500 according to the seventh embodiment of the present invention will be described with reference to FIG.

17 is a flowchart showing a method of communication between vehicles in the inter-vehicle communication device according to the seventh embodiment of the present invention.

17, the vehicle-to-vehicle communication method 1700 of the intervehicle communication device 1500 according to the seventh embodiment of the present invention is a method for intervehicular communication among the intervehicle communication devices 1100 (1100 in Fig. 11) The sensing step S1702, the estimating step S1704, the calculating step S1706, the relative vehicle behavior information receiving step S1713, and the third identifying step S1715 are performed in the same manner as the communication method (1200 of FIG. 12).

In the inter-vehicle communication method 1700 of the inter-vehicle communication device 1500 according to the seventh embodiment of the present invention, the detection step S1702, the estimation step S1704, the calculation step S1706, and the relative vehicle behavior information reception The functions for the step S1713 and the third identification step S1715 and the organic connection relationship therebetween are the same as the inter-vehicle communication method (1200 of FIG. 12) of the intervehicle communication device (1100 of FIG. 11) 12), the relative vehicle behavior information reception step (S1213 in Fig. 12), and the third identification step (S1215 in Fig. 12), the estimation step (S1202 in Fig. 12) ), And the organic connection relationship therebetween, and therefore, respective additional descriptions thereof will be omitted below.

Here, the inter-vehicle communication method 1700 of the intervehicle communication device 1500 according to the seventh embodiment of the present invention further performs the second calling step S1719.

For example, the second calling step S1719 may be performed after the third identifying step S1715.

The second calling step S1719 is a step in which when the behavior information of the opponent vehicle 10 is identified by the third identifying section 1513 under the control of the control section 1508, the control unit 70a of the control center 70 is notified of the abnormal situation through the third communication unit 70a1 of the control device 70a and the second communication unit 1501 so as to inform the control unit 70a of the control center 70 2 calling unit 1517. [0156]

The intervehicle communication apparatus 1500 and the communication method 1700 according to the seventh embodiment of the present invention may include the second communication unit 1501, the sensing unit 1502, the estimating unit 1504, and the calculating unit 1506 (Step S1702), an estimating step (step S1704), a calculating step (step S1706), and a relative vehicle behavior information receiving step (step S1705) including a control part 1508, a third identifying part 1513 and a second calling part 1517 S1713), a third identifying step (S1715), and a second calling step (S1719).

Therefore, the intervehicle communication device 1500 and the communication method 1700 according to the seventh embodiment of the present invention are configured so that the target relative distance, which is optimized according to the current communication signal strength, is calculated based on the first relative distance information and the second relative distance information, It is possible to more accurately measure the relative distance to the opponent vehicle 10 because the distance information can be calculated.

The inter-vehicle communication device 1500 and the communication method 1700 according to the seventh embodiment of the present invention can identify the behavior information of the other vehicle 10, do.

The intervehicle communication apparatus 1500 and the communication method 1700 according to the seventh embodiment of the present invention are the same as the intervehicle communication apparatus 1500 according to the seventh embodiment of the present invention except that when the behavior information of the opponent vehicle 10 is abnormal, It is possible to notify the abnormal situation to the counterpart vehicle 70a, so that it is possible to speed up the initial response to the opponent vehicle 10 whose behavior is abnormal.

Claims (18)

A sensing unit for sensing a current communication signal intensity of a second communication unit communicating with a first communication unit provided in at least one of the opponent vehicle;
An estimator for estimating first relative distance information with the opponent vehicle based on the sensed current communication signal strength;
Calculating the target relative distance information according to the current communication signal strength using the estimated first relative distance information and the second relative distance information supplied from the satellite navigation device through the second communication unit part; And
Receiving the detected current communication signal strength and transmitting an estimation command to the estimation unit so as to estimate first relative distance information with the relative vehicle and calculating the target relative distance information according to the current communication signal intensity, And a control unit for transmitting a calculation command to the vehicle. The method according to claim 1,
The first relative distance information may include:
Wherein the correlation between the current received signal strength of the current communication signal strength and the current transmission signal strength, the current transmission and reception signal length, the antenna gain, and the communication radius. The method according to claim 1,
Further comprising: a first identifying unit that identifies that the target relative distance information is calculated when calculating the target relative distance information. The method according to claim 1,
Further comprising: a second identification unit for identifying the calculated target relative distance information. The method according to claim 1,
Wherein,
And further transmits a speed adjustment command to the speed adjusting device so as to maintain the distance from the opponent vehicle in accordance with the calculated target relative distance information. The method according to claim 1,
Wherein the second communication unit comprises:
And further receives the behavior information of the opponent vehicle from the first communication unit. The method according to claim 6,
Further comprising a third identification unit for identifying the behavior information of the other vehicle supplied from the first communication unit through the second communication unit. 8. The method of claim 7,
When the third identification unit identifies the behavior information of the opponent vehicle,
Further comprising a first calling unit for calling the corresponding opponent vehicle through the first communication unit and the second communicating unit so as to inform the opponent vehicle of the caution operation if the behavior information of the opponent vehicle is abnormal, Communication device. 8. The method of claim 7,
When the third identification unit identifies the behavior information of the opponent vehicle,
If the behavior information of the opponent vehicle is abnormal, the third communication unit of the control apparatus and the second calling unit that calls the control apparatus through the second communication unit so as to inform the control apparatus of the control center of the abnormal situation Vehicle communication device. A sensing step of sensing a current communication signal strength of a second communication unit communicating with a first communication unit provided in at least one opponent vehicle;
Estimating first relative distance information with the opponent vehicle based on the detected current communication signal strength; And
Calculating the target relative distance information according to the current communication signal strength using the estimated first relative distance information and the second relative distance information supplied from the satellite navigation device through the second communication unit ≪ / RTI > 11. The method of claim 10,
The first relative distance information may include:
Wherein the correlation between the current received signal strength of the current communication signal strength and the current transmission signal strength, the current transmission and reception signal length, the antenna gain, and the communication radius. 11. The method of claim 10,
Further comprising a first identifying step of identifying, when the target relative distance information is calculated, that the target relative distance information is calculated. 11. The method of claim 10,
And a second identification step of identifying the calculated target relative distance information. 11. The method of claim 10,
Further comprising a speed adjusting step of transmitting a speed adjusting command to the speed adjusting device so as to maintain the distance from the opponent vehicle in accordance with the calculated target relative distance information. 11. The method of claim 10,
And the second communication unit receives the behavior information of the other vehicle supplied from the first communication unit. 16. The method of claim 15,
And a third identification step of identifying the behavior information of the other vehicle supplied from the first communication unit through the second communication unit. 17. The method of claim 16,
When identifying the behavior information of the opponent vehicle,
Further comprising a first calling step of calling the corresponding opponent vehicle through the first communication unit and the second communicating unit to notify the corresponding opponent vehicle of the caution operation if the behavior information of the opponent vehicle is abnormal, Communication method. 17. The method of claim 16,
When identifying the behavior information of the opponent vehicle,
And a second calling step of calling the control apparatus through the third communication unit of the control apparatus and the second communication unit so as to notify the control apparatus of the control center of abnormality when the behavior information of the opponent vehicle is abnormal Further comprising:

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