KR20170089117A

KR20170089117A - System and method for providing safety service using inter-vehicle communication and continuous positioning

Info

Publication number: KR20170089117A
Application number: KR1020160009115A
Authority: KR
Inventors: 박만복
Original assignee: 주식회사 만도
Priority date: 2016-01-26
Filing date: 2016-01-26
Publication date: 2017-08-03

Abstract

The present invention relates to a safety service provision system using inter-vehicle communication and continuous positioning, and a method thereof. The safety service provision system using inter-vehicle communication and continuous positioning receives an indoor wireless signal to continuously measure a position of a vehicle when the vehicle enters an area in which a GPS signal is not transmitted, and providing position information of the vehicle until the vehicle moves to an area in which the GPS signal is transmitted. Therefore, the vehicle moving in the area in which the GPS signal is not transmitted can continuously use the safety service based on the position information of the vehicle indoors and outdoors. The safety service provision system using inter-vehicle communication and continuous positioning comprises: a position measurement part; an inter-vehicle communication part; and a safety service provision part.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a system and method for providing a safety service using communication between vehicles and continuous positioning,

The present embodiments are directed to a system and method for providing location information and security services using inter-vehicle communication and continuous positioning.

The vehicle can use the GPS signal received from the satellite to determine the position of the vehicle and provide positional information or route guidance information to the driver of the vehicle based on the detected position.

In addition, research and development of a technique for providing a safety service to a driver of a vehicle by transmitting and receiving positional information of the vehicles with each other and using the transmitted and received position information is being continuously carried out along with research and development of inter-vehicle communication technology .

Such a GPS signal is not received when the vehicle enters a room such as a tunnel or an underground parking lot, and thus there is a problem that the location of the vehicle can not be grasped because the vehicle can not receive the GPS signal.

There is a time interval in which the GPS signal is not received immediately even if the vehicle located in the room where the GPS signal is not received moves outdoors, and the vehicle can not grasp the position of the vehicle during this time interval.

In particular, when the vehicle moves from the room to the outside, such as an underground parking lot, the vehicle can not immediately acquire the position information. Therefore, the driver of the vehicle may not receive the guidance information until the GPS signal is received, Security services based on inter-communication can not be provided.

For example, in a structure in which an exit of an underground parking lot leads directly to a road, a vehicle moving out of an underground parking lot has difficulty in locating a vehicle located thereon due to lack of location information, There is a danger that an accident can occur without anticipating the vehicle leaving the vehicle.

Therefore, a technique is required to continuously grasp the position information of the vehicle even in the area where the vehicle is not receiving the GPS signal. There is a need for a technology capable of acquiring position information of a vehicle and providing a safety service based on the position information even when the vehicle moves from the area where the GPS signal is not received to the area where the GPS signal is received.

It is an object of the embodiments of the present invention to provide a positioning technique capable of continuously grasping the position information of the vehicle even when the vehicle moves to an area where GPS signals are not received.

The purpose of these embodiments is to provide the vehicle's position information to the driver of the vehicle at a moment when the vehicle moves to the area where the GPS signal is received in the area where the GPS signal is not received and to provide the service based on the position information to the driver have.

One embodiment includes a position measuring unit that generates position information of a vehicle using at least one of a GPS signal and an indoor wireless signal received by a vehicle, Vehicle communication unit for receiving a GPS signal and a safety service providing unit for outputting a warning message or outputting a warning message transmission command based on the position information of the vehicle and the position information of the surrounding vehicle in an area where GPS signals are not received It is possible to provide a safety service providing system using communication and continuous positioning.

In this safety service providing system, the position measuring unit measures the position of the vehicle based on the indoor wireless signal when the vehicle enters an area where the GPS signal is not received, updates the final position according to the GPS signal, When the start of the vehicle is turned off, the position information of the vehicle generated based on the indoor wireless signal is stored in the memory. When the vehicle is restarted, the position information of the vehicle stored in the memory is updated according to the position measured based on the indoor wireless signal So that the position of the vehicle can be continuously measured until the vehicle moves to the area where the GPS signal is received.

In such a security service provision system, the safety service provider may check whether the vehicle is located in a second distance from the exit when the vehicle moves in the exit direction and is within the first distance from the exit, If the vehicle is present, a warning message may be output. If the vehicle moves in the exit direction and is located within the first distance from the exit, an exit warning message transmission command may be output to transmit an exit warning message to the surrounding vehicle through the inter- .

Another embodiment provides a method comprising: receiving a GPS signal and generating position information of the vehicle based on the received GPS signal; receiving an indoor wireless signal in an area where GPS signals are not received; The method comprising the steps of: measuring a position of a vehicle using a signal and updating final position information according to a GPS signal; transmitting position information of the vehicle to the surrounding vehicle and receiving position information of the surrounding vehicle; Vehicle communication including the step of outputting or transmitting a warning message based on the position information of the vehicle, and a method of providing a safety service using continuous positioning.

According to the present embodiments, when the vehicle enters the room, the position of the vehicle is continuously measured by using the indoor wireless signal, so that even when the vehicle moves from the room to the outside, .

According to the present embodiments, the location information of the vehicle is provided even at the moment when the vehicle moves from the room to the outside, so that the service based on the location information of the vehicle can be provided to the driver of the vehicle without a time interval.

According to the embodiments, it is possible to provide a safety service based on position information of a vehicle and a nearby vehicle and inter-vehicle communication using continuous positioning of the vehicle moving in and out of the vehicle and inter-vehicle communication.

1 is a block diagram illustrating a configuration of a safety service providing system using inter-vehicle communication and continuous positioning according to the present embodiments.
FIGS. 2 and 3 are views showing an example of a situation in which a safety service providing system using inter-vehicle communication and continuous positioning according to the present embodiments provides position information and a security service.
FIGS. 4 to 6 are flowcharts illustrating a method of providing a safety service using inter-vehicle communication and continuous positioning according to the present embodiments.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. In the drawings, like reference numerals are used to denote like elements throughout the drawings, even if they are shown on different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the components from other components, and the terms do not limit the nature, order, order, or number of the components. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, Quot; intervening "or that each component may be" connected, "" coupled, "or " connected" through other components.

FIG. 1 shows a configuration of a safety service providing system 100 (hereinafter referred to as a "safety service providing system") using inter-vehicle communication and continuous positioning according to the present embodiments.

1, the safety service providing system 100 according to the present embodiment includes a position measuring unit 110, an inter-vehicle communication unit 120, a safety service providing unit 130, and a memory 140 .

The position measuring unit 110 generates position information of the vehicle by using the GPS signal and the indoor wireless signal received by the vehicle.

When the vehicle is located in an area where the GPS signal can be received or is traveling, the position measuring unit 110 generates position information of the vehicle using the received GPS signal and transmits the generated position information to the safety service provider 130 ).

When the vehicle enters an area where the GPS signal can not be received, such as in a room where the vehicle can receive the GPS signal, the position measuring unit 110 checks whether indoor wireless signals can be received, And starts to measure the position of the vehicle based on the signal.

At this time, there may exist an area where both the GPS signal and the indoor wireless signal are received while the vehicle is moving from the GPS signal receiving area to the GPS signal not receiving area. In this case, the position measuring unit 110 interlocks the GPS signal and the indoor wireless signal Thereby generating position information of the vehicle.

Alternatively, while both the GPS signal and the indoor wireless signal are being received, the GPS signal may be preferentially used to generate position information of the vehicle.

The indoor wireless signal may be a beacon transmitted from an access point (AP) located in a room, and may include all signals received through a communication network of a room available for a vehicle such as WLAN or Bluetooth.

When the vehicle enters a region where the GPS signal can not be received and the vehicle can receive only the indoor wireless signal, the position measuring unit 110 measures the position of the vehicle using the indoor wireless signal, And updates the final position of the vehicle according to the GPS signal.

That is, the position information of the moving vehicle is continuously generated by applying the measured position based on the indoor wireless signal to the final position of the vehicle according to the GPS signal received by the vehicle.

The position measuring unit 110 transmits the position information of the vehicle generated based on the measured position using the indoor wireless signal to the inter-vehicle communication unit 120 and the safety service providing unit 130, (OFF), the position information of the vehicle at the time when the start is turned OFF is stored in the memory 140. [

The position measuring unit 110 loads the final position information of the vehicle stored in the memory 140 when the vehicle is restarted after the start of the vehicle is turned off in an area where the GPS signal is not received, And continuously updates the position information of the vehicle according to the measured position.

Therefore, according to the present embodiments, it is possible to continuously generate the position information of the vehicle on the basis of the indoor wireless signal when the vehicle enters the area where the GPS signal is not received, and when the vehicle is turned off and restarted The position information of the vehicle can be continuously updated so that the position information of the vehicle can be continuously grasped until the vehicle moves to the GPS signal receiving area.

Vehicle communication unit 120 transmits the positional information of the vehicle received from the position measurement unit 110 to the surrounding vehicle 20 or transmits a warning message to the surrounding vehicle 20 in accordance with the message transmission command of the safety service providing unit 130 20).

The inter-vehicle communication unit 120 transmits the positional information of the nearby vehicle 20 received from the nearby vehicle 20 to the safety service providing unit 130 so that the position information of the vehicle and the position of the nearby vehicle 20 Provide information-based safety services.

The safety service providing unit 130 outputs a warning message or outputs a warning message based on the position information of the vehicle received from the position measuring unit 110 and the position information of the nearby vehicle 20 received through the inter- A message transmission command can be output.

The safety service providing unit 130 can output a warning message to the driver of the vehicle based on the positional information of the vehicle and the positional information of the nearby vehicle 20 when the vehicle moves from the room to the outside.

For example, if the vehicle moves in the direction of the exit from which the vehicle can move outdoors and the vehicle is located within a certain distance (e.g., 50 m) from the exit, the positional information of the nearby vehicle 20 received from the nearby vehicle 20 It is possible to check the existence of the nearby vehicle 20 located within a predetermined distance (for example, 100 m) from the exit and to output a warning message to the driver of the vehicle when the existence of the nearby vehicle 20 is confirmed.

The user can continuously measure the position of the moving vehicle in the room, thereby outputting a warning message to the driver of the vehicle moving from the room to the outside, according to the situation around the exit, so that the driver of the vehicle can prepare for the risk of accident.

The safety service providing unit 130 may output an exit warning message transmission command when the vehicle moves from the inside to the outside of the room and transmit an exit warning message to the nearby vehicle 20 through the intervehicle communication unit 120. [

For example, if the vehicle moves in the direction of the exit from which the vehicle can move outdoors, and the vehicle is located within a certain distance (e.g., 50 m) from the exit, the warning message can be transmitted to the nearby vehicle 20.

Therefore, even when the vehicle is moving in the room, the position of the vehicle can be continuously measured, and a warning message according to the position information of the vehicle moving from the room to the outside can be transmitted to the nearby vehicle 20, 20) is able to prepare for the risk of an accident through a message based on inter-vehicle communication even when it is difficult to visually grasp the moving vehicle such as the exit of the underground parking lot.

Meanwhile, the safety service providing unit 130 may provide a safety service based on the location information of each vehicle even in the area where the GPS signal is not received, through the communication between vehicles running in the GPS signal non-receiving area.

For example, when the vehicle is moving in the GPS signal non-reception area and generates position information of the vehicle based on the indoor wireless signal, the position information of the vehicle is transmitted to the nearby vehicle 20 in real time or periodically via the inter- Lt; / RTI >

Also, the nearby vehicle 20, which is moving in the GPS signal non-reception area, can generate positional information of the nearby vehicle 20 in the same manner, and thus receives the positional information of the neighboring vehicle 20 through inter-vehicle communication.

The safety service providing unit 130 predicts the possibility of collision between the vehicle and the adjacent vehicle 20 based on the position information of the vehicle and the position information received from the nearby vehicle 20, And provides a warning message to the vehicle 20.

Therefore, according to the present embodiments, it is possible to measure the position of the vehicle even in the area where the GPS signal is not received, so that an accident between the vehicle moving in the GPS signal receiving area and the vehicle traveling in the GPS signal receiving area And also to prevent accidents between vehicles moving in the area where GPS signals are not received.

2 and 3 show an example of a situation in which the safety service providing system 100 according to the present embodiments provides a safety service based on position information and position information of the vehicle in the area where the GPS signal is not received.

FIG. 2 shows a case where a vehicle enters a room where a GPS signal is not received in an outdoor area where a GPS signal is received. When the vehicle enters the room, indoor information is received through indoor wireless signals and indoor wireless signals are used Thereby continuously measuring the position of the vehicle.

The safety service providing system 100 updates the final position of the vehicle according to the reception of the GPS signal according to the position measured based on the indoor wireless signal and continuously generates the position information of the vehicle.

When the vehicle is turned off and restarted while the vehicle is not moving to the GPS signal receiving area, the position information at the time when the vehicle is turned off is stored in the memory 140 and the vehicle is restarted And updates the stored location information according to the measured location using the indoor wireless signal so that the location information of the vehicle can be grasped until the vehicle moves to the GPS signal receiving area.

The safety service providing system 100 can provide the position information of the vehicle while the vehicle is located in the GPS signal non-receiving area and can provide the driver of the vehicle with the guidance information based on the position information such as the exit direction guidance.

3 shows a case where the vehicle moves out of the room where the GPS signal is received in the room where the GPS signal is not received. When the vehicle moves in the direction of the exit, the driver of the vehicle or the driver of the nearby vehicle 20, A warning message may be output or transmitted to the user.

The safety service providing system 100 transmits an exit warning message to the nearby vehicle 20 when the vehicle moves in the direction from the room to the exit and approaches within a certain distance from the exit so that the driver of the nearby vehicle 20 can recognize .

Further, while the vehicle is moving in the exit direction, the position information of the nearby vehicle 20 in the vicinity of the exit is received to determine the position of the nearby vehicle 20, and the surrounding vehicle 20 located within a certain distance from the exit If present, a warning message may be output to the driver of the vehicle.

Accordingly, when the driver of the vehicle moves outdoors, the driver does not receive the safety service because the GPS signal is not received immediately.

4 and 6 illustrate a process of providing a safety service using inter-vehicle communication and continuous positioning according to the present embodiments. FIGS. 4 and 5 illustrate a process of a positioning method in a GPS signal non- And FIG. 6 shows a process of a method of providing a security service based on positioning in a GPS signal non-reception area.

FIG. 4 shows a process of measuring the position of a vehicle when the vehicle enters a region where GPS signals are not received. Referring to FIG. 4, the safety service providing system 100 according to the present embodiment includes: If it is located in the area where the GPS signal is received, it receives the GPS signal (S400) and generates the position information of the vehicle based on the received GPS signal.

When the vehicle enters the area where the GPS signal is not received (S410), it is checked whether the indoor wireless signal is received (S420).

When the indoor wireless signal is received, the position of the vehicle is measured using the received indoor wireless signal, the final position of the vehicle according to the GPS signal is updated based on the measured position, and the location information of the vehicle is generated (S430).

The safety service providing system 100 measures the position of the vehicle and generates position information using the indoor wireless signal until the vehicle moves to the area where the GPS signal is received. When the vehicle is turned off (S440 The position information of the vehicle is stored in the memory 140 (S450).

Therefore, according to the present embodiments, even when the vehicle is located in an area where GPS signals are not received, the position of the vehicle is measured using the indoor wireless signal and the position information is generated, thereby continuously measuring the position of the vehicle, Provide information-based services.

5 shows a process in which the vehicle enters the area where the GPS signal is not received and the vehicle is restarted after the start of the vehicle is turned off and before the vehicle moves to the area where the GPS signal is received.

5, the safety service providing system 100 stores the safety service providing system 100 when the start of the vehicle is turned OFF and restarted in the area where the GPS signal is not received (S500) The location information of the vehicle is loaded (S510).

The indoor wireless signal is received (S520) and the loaded location information of the vehicle is updated based on the measured indoor wireless signal (S530).

Therefore, it is possible to continuously grasp the position of the vehicle even after the vehicle is turned off and restarted in the area where the GPS signal is not received.

The security service providing system 100 checks whether a GPS signal is received (S540). If the vehicle is located in an area where the GPS signal is received, the safety service providing system 100 generates position information using the received GPS signal (S550) The position information of the vehicle is generated using the indoor wireless signal.

Therefore, according to the present embodiments, even if the vehicle is restarted after turning off the power in the area where the GPS signal is not received, the position information at the time when the power is turned off is stored, reloaded, The position of the vehicle that is restarted in the area where the GPS signal is not received is continuously measured to provide a service based on the position information and the position information of the vehicle.

6 is a flowchart illustrating a process of providing a safety service using the location information of the vehicle obtained using the indoor wireless signal and the location information of the nearby vehicle 20 acquired using the inter-vehicle communication .

6, the safety service providing system 100 confirms that the vehicle moves toward the exit direction of the room based on the position information generated by the vehicle using the indoor wireless signal (S600) If it is located within the first distance (for example, 50 m) (S610), the outgoing warning message is transmitted to the nearby vehicle 20 (S620).

That is, the position of the vehicle is continuously measured even in a room where the GPS signal is not received, so that the surrounding vehicle 20 located nearby when the vehicle moves outdoors can be provided with information about the vehicle moving outdoors .

The vehicle is positioned within a second distance (e.g., 100 meters) from the outlet based on the positional information received from the neighboring vehicle 20 via inter-vehicle communication while the vehicle is moving within the first distance from the exit, (Step S630).

When it is confirmed that the nearby vehicle 20 exists within the second distance from the exit, a warning message is output to the driver of the vehicle (S640). When the driver of the vehicle moves outdoors, So that the driving can be adjusted according to the vehicle speed.

Therefore, even if the vehicle moving from the indoor to the outdoors can not receive the GPS signal immediately, the security service can be provided based on the communication between the vehicle and the location information acquired through the continuous positioning.

According to the embodiments, when the vehicle moves to an area where the GPS signal is not received, the position of the vehicle is continuously measured using the indoor wireless signal, so that the position of the vehicle So that they can be grasped continuously.

In addition, by providing position information and safety information based on location information to the driver of the vehicle by using continuous positioning and inter-vehicle communication, it is possible to provide continuous safety service to the vehicle moving in and out of the room and the vehicle traveling in the vicinity .

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. The embodiments of the present invention are not intended to limit the scope of the present invention but to limit the scope of the present invention.

100: safety service providing system 110:
120: Inter-vehicle communication unit 130:
140: memory 20: surrounding vehicle

Claims

A position measuring unit for generating position information of the vehicle using at least one of a GPS signal and an indoor wireless signal received by the vehicle;
An inter-vehicle communication unit for transmitting the position information of the vehicle to the nearby vehicle and receiving the positional information of the nearby vehicle from the nearby vehicle; And
For outputting a warning message or outputting a warning message transmission command based on the position information of the vehicle and the position information of the nearby vehicle in an area where the GPS signal is not received,
And a safety service providing system using continuous positioning.

The method according to claim 1,
The position-
Vehicle communication that measures the position of the vehicle based on the indoor wireless signal and updates the final position in accordance with the GPS signal to generate the position information of the vehicle when the vehicle enters an area where the GPS signal is not received, Safety Service Providing System Using Positioning.

3. The method of claim 2,
Further comprising a memory for storing position information of the vehicle generated based on the indoor wireless signal when the vehicle is turned off, and a continuous service.

The method of claim 3,
The position-
Vehicle communication in which the position information of the vehicle stored in the memory is updated according to a position measured based on the indoor wireless signal when the vehicle is started, and a continuous service.

The method according to claim 1,
The position-
Vehicle communication and continuous positioning to generate position information of the vehicle based on the GPS signal when the GPS signal and the indoor wireless signal are both received.

The method according to claim 1,
The security service provider,
If the vehicle moves in an exit direction and is located within a first distance from the exit, checks for the presence of a nearby vehicle located within a second distance from the exit, and if there is a nearby vehicle located within the second distance from the exit, Vehicle communication and continuous positioning.

The method according to claim 1,
The security service provider,
Outputting an exit warning message transmission command when the vehicle moves in an exit direction and is located within a first distance from the exit,
Vehicle communication unit,
Vehicle communication and a continuous positioning to transmit an exit warning message to the nearby vehicle in response to the outbound warning message transmission command.

The method according to claim 1,
The security service provider,
When the vehicle is located in an area where the GPS signal is not received and receives the positional information of the nearby vehicle from a nearby vehicle located in an area where the GPS signal is not received, based on the positional information of the vehicle and the positional information of the nearby vehicle A system for providing a safety service using inter-vehicle communication and continuous positioning to determine a possibility of collision and output a warning message according to the possibility of collision.

The vehicle receiving the GPS signal and generating position information of the vehicle based on the received GPS signal;
Receiving an indoor wireless signal in an area where the GPS signal is not received;
Measuring a position of the vehicle using the received indoor radio signal and updating final position information according to the GPS signal;
Transmitting location information of the vehicle to the nearby vehicle and receiving location information of the nearby vehicle; And
Outputting or transmitting a warning message based on the position information of the vehicle and the position information of the nearby vehicle
A method for providing a safety service using inter-vehicle communication and continuous positioning.

10. The method of claim 9,
Wherein the updating of the last location information according to the GPS signal comprises:
Storing the updated position information when the start-up of the vehicle is off; And
And updating the stored location information based on the measured location using the indoor wireless signal when the vehicle is restarted.

10. The method of claim 9,
The step of outputting or transmitting the warning message comprises:
Confirming the presence of a nearby vehicle located within a second distance from the outlet when the vehicle moves in an exit direction and is within a first distance from the exit; And
And outputting a warning message if a neighboring vehicle exists within the second distance from the exit, and a method for providing a safety service using inter-vehicle communication and continuous positioning.

10. The method of claim 9,
The step of outputting or transmitting the warning message comprises:
Vehicle communication that transmits an exit warning message to the surrounding vehicle when the vehicle moves in an exit direction and is located within a first distance from the exit, and a continuous service.