KR20220149030A - Vehicle location tracking device using multiple wireless networks and multiple devices and control method thereof - Google Patents

Abstract

A vehicle location tracking device using multiple wireless networks and multiple devices according to one technical aspect of the present invention, as a vehicle location tracking device attached to a vehicle and interworking with a global positioning system (GPS) satellite to provide the location of a vehicle to a service server, comprises: a master device attached to one location of the vehicle, receiving power from the vehicle, interworking with the GPS satellite to check the location information of the vehicle, and providing the location information to the service server; and a slave device configured as a device separate from the master device, attached to a different location of the vehicle from the master device, supplied with power using its own battery, checking the location information of the vehicle when the master device is in an abnormal state, and providing the location information to the service server. Accordingly, the location of the vehicle can be reported even when the power supply to the vehicle is cut off.

Description

Vehicle location tracking device using multiple wireless networks and multiple devices and control method thereof

The present invention relates to a vehicle location tracking device using multiple wireless networks and multiple devices, and a method for controlling the same.

With the development and popularization of GPS (Global Positioning System) technology, location tracking of various objects is becoming possible. In particular, there is a growing demand for location tracking for expensive and highly mobile vehicles.

As a conventional vehicle location tracking device, there is Korean Patent Application Laid-Open No. 10-2020-0011207, and the like. Korean Patent Application Laid-Open No. 10-2020-0011207 relates to a vehicle location detection system using vehicle-specific information, and relates to a technology for managing a vehicle location through a server in connection with a location receiving terminal.

However, in the case of this prior art, when an illegal attack on a device that receives information about the vehicle's location and provides it to a server, for example, an attack action such as jamming on a communication frequency or blockage of power supply occurs, There are limits to which it is impossible to respond.

Accordingly, there is a growing need for a vehicle location tracking technology that successfully identifies and provides a location of a vehicle even in a situation of malicious attack on a vehicle.

Korean Patent Publication No. 10-2020-0011207

One technical aspect of the present invention is to solve the problems of the prior art, and when the vehicle location tracking device uses different types of wireless communication methods, jamming occurs for any one wireless communication method It is to provide a vehicle location tracking device using multiple wireless networks and multiple devices capable of reporting the location of a vehicle using the remaining wireless communication methods, and a method for controlling the same.

In addition, in one technical aspect of the present invention, the vehicle location tracking device is configured by dualizing the master device and the slave device, and when the master device does not operate normally, by using the slave device to provide the location of the vehicle, An object of the present invention is to provide a vehicle location tracking device using multiple wireless networks and multiple devices capable of accurately reporting the location of a vehicle even when a malicious attack occurs, and a method for controlling the same.

In addition, in one technical aspect of the present invention, the master device operates using the vehicle's power source, while the slave device operates using its own battery, so that even when the vehicle power supply is cut off, the position of the vehicle It is to provide a vehicle location tracking device using multiple wireless networks and multiple devices capable of reporting and a method for controlling the same.

The above objects and various advantages of the present invention will become more apparent from preferred embodiments of the present invention by those skilled in the art.

One technical aspect of the present invention proposes a vehicle location tracking device using multiple wireless networks and multiple devices. The vehicle location tracking device using the multiple wireless network and multiple devices is a vehicle location tracking device that is attached to a vehicle and provides a location of the vehicle to a service server by interworking with a Global Positioning System (GPS) satellite. It is attached to a master device to receive power from the vehicle, check the location information of the vehicle in conjunction with the GPS satellite and provide it to the service server, and a device separate from the master device It may include a slave device that is attached to another location of the vehicle, receives power using a battery provided by itself, checks the location information of the vehicle when the master device is in an abnormal state, and provides it to the service server. .

In one embodiment, the master device provides the location information of the vehicle to the service server using a mobile communication network, and the slave device is a wireless mesh formed in conjunction with another vehicle location tracking device attached to another vehicle. It is possible to provide the location information of the vehicle to the service server using a network.

In one embodiment, the master device first attempts to provide the location information of the vehicle to the service server using a wireless mobile communication method, and if it is determined that the access to the mobile communication network is invalid, the next best It is possible to provide the location information of the vehicle to the service server by using a wireless mesh network formed by interworking with another vehicle location tracking device attached to another vehicle.

In an embodiment, the master device receives power from the vehicle and provides a power supply for supplying power to other components of the master device, a first location check that works with the GPS satellite to generate location information of the vehicle A first wireless communication unit including a unit, a first wireless communication module connectable to a mobile communication network, and a second wireless communication module connectable to a wireless mesh network, and using the first wireless communication module to transmit the location information of the vehicle to the service server a first control unit controlling to provide the vehicle location information to the service server by using the second wireless communication module to control the information to be provided to the mobile communication network, determining whether a jamming attack has occurred on the mobile communication network, if the jamming attack occurs, using the second wireless communication module may include

In an embodiment, the slave device includes a battery unit for providing power to other components of the slave device using stored power, and a second positioning unit for generating location information of the vehicle in conjunction with the GPS satellite. , a second wireless communication unit connectable to the wireless mesh network and wake-up after operating in a sleep mode for a predetermined time, and using the wireless mesh network to check the status message - the status check message confirms whether the master device is in a normal state used to control the second wireless communication unit to send, and if a status response message to the status check message is not received within a preset time, a wireless mesh formed in conjunction with another vehicle location tracking device attached to another vehicle It may include a second control unit for controlling to provide the location information of the vehicle to the service server using a network.

In an embodiment, when the status response message is received from the master device within a preset time, the second controller may control the slave device to be set to a sleep mode for the preset time.

In an embodiment, the first control unit determines whether or not a jamming attack is performed on the mobile communication network, and if the jamming attack occurs, transmits a jamming situation message to the slave device using the second wireless communication module, and When receiving the jamming situation message from the master device, the second control unit provides the location information of the vehicle to the service server using a wireless mesh network formed in conjunction with another vehicle location tracking device attached to another vehicle. can be controlled

Another technical aspect of the present invention proposes a method for controlling a vehicle location tracking device using multiple wireless networks and multiple devices. The control method of the vehicle location tracking device is a vehicle using multiple wireless networks and multiple devices, which is performed in a vehicle location tracking device that is attached to a vehicle and provides the location of the vehicle to a service server in conjunction with a GPS (Global Positioning System) satellite. A method of controlling a location tracking device, wherein the vehicle location tracking device includes a master device attached to one location of the vehicle and a slave device attached to another location different from the first location, wherein the master device receiving power, the master device checking the location information of the vehicle in conjunction with the GPS satellite and providing it to the service server, and the slave device, the location of the vehicle when the master device is in an abnormal state It may include checking the information and providing it to the service server.

In one embodiment, the step of the master device interlocking with the GPS satellite to check the location information of the vehicle and provide it to the service server includes preferentially providing the location information of the vehicle to the service server using a wireless mobile communication method. Attempting to provide information, and if it is determined that the access to the mobile communication network is invalid, the service server using a wireless mesh network formed in conjunction with another vehicle location tracking device attached to another vehicle suboptimally It may include providing the location information of the vehicle to the.

In an embodiment, the step of the slave device checking the location information of the vehicle and providing the location information to the service server when the master device is in an abnormal state includes: waking the slave device after operating in a sleep mode for a predetermined time up, sending a status check message—the status check message is used to check whether the master device is in a normal state—to the master device using the wireless mesh network, and a status response message to the status check message If it is not received within a set time, providing the location information of the vehicle to the service server using a wireless mesh network formed in conjunction with another vehicle location tracking device attached to the other vehicle.

In one embodiment, the control method of the vehicle location tracking device includes, by the master device, determining whether or not a jamming attack has occurred on the mobile communication network. If it is determined that the jamming attack has occurred, the master device performs a wireless mesh Transmitting a jamming status message to the slave device using a network and receiving the jamming status message from the master device, the slave device is a wireless mesh formed by interworking with another vehicle location tracking device attached to another vehicle The method may further include providing the location information of the vehicle to the service server using a network.

The means for solving the above-described problems do not enumerate all the features of the present invention. Various means for solving the problems of the present invention may be understood in more detail with reference to specific embodiments in the following detailed description.

According to an embodiment of the present invention, by allowing the vehicle location tracking device to use different types of wireless communication methods, even when jamming occurs for any one wireless communication method, the vehicle location is located using the other wireless communication method. It has the effect of being able to report.

In addition, according to one embodiment of the present invention, the vehicle location tracking device is configured by dualizing the master device and the slave device, and when the master device does not operate normally, the vehicle location is provided by using the slave device to provide the vehicle with a location. It has the effect of accurately reporting the location of the vehicle even in the event of a malicious attack on the vehicle.

In addition, according to one embodiment of the present invention, the master device operates using the vehicle's power supply, while the slave device operates using its own battery, so that even when the vehicle power supply is cut off, the It has the effect of reporting the location.

1 is a view for explaining an application example of a vehicle location tracking apparatus using multiple wireless networks and multiple devices according to an embodiment of the present invention.
2 is a diagram illustrating an example of vehicle application of a vehicle location tracking device according to an embodiment of the present invention.
3 is a block diagram illustrating an example of a master device of a vehicle location tracking apparatus according to an embodiment of the present invention.
FIG. 4 is a block diagram illustrating an embodiment of the control unit shown in FIG. 3 .
5 is a block diagram illustrating an example of a slave device of a vehicle location tracking apparatus according to an embodiment of the present invention.
6 is a block diagram illustrating an embodiment of the control unit shown in FIG. 5 .
7 is a flowchart illustrating a method of controlling a vehicle location tracking apparatus using multiple wireless networks and multiple devices according to an embodiment of the present invention.
7 is a flowchart illustrating a method of controlling a vehicle location tracking apparatus using multiple wireless networks and multiple devices according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

However, the embodiment of the present invention may be modified in various other forms, and the scope of the present invention is not limited to the embodiments described below. In addition, the embodiments of the present invention are provided in order to more completely explain the present invention to those of ordinary skill in the art.

That is, the above-described objects, features, and advantages will be described in detail below with reference to the accompanying drawings, and accordingly, those of ordinary skill in the art to which the present invention pertains will be able to easily implement the technical idea of the present invention. In describing the present invention, if it is determined that a detailed description of a known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description will be omitted. Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to indicate the same or similar components.

Also, as used herein, the singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as "consisting of" or "comprising" should not be construed as necessarily including all of the various components or various steps described in the specification, some of which components or some steps are It should be construed that it may not include, or may further include additional components or steps.

In addition, various components and sub-components thereof are described below in order to describe the system according to the present invention. These components and sub-components thereof may be implemented in various forms, such as hardware, software, or a combination thereof. For example, each element may be implemented as an electronic configuration for performing a corresponding function, or may be software itself operable in an electronic system or implemented as a functional element of such software. Alternatively, it may be implemented with an electronic configuration and corresponding driving software.

The various techniques described herein may be implemented with hardware or software, or a combination of both, where appropriate. As used herein, terms such as "Unit", "Server" and "System" likewise refer to computer-related entities, i.e. hardware, a combination of hardware and software, software or It can be treated as equivalent to software at the time of execution. In addition, each function executed in the system of the present invention may be configured in units of modules, and may be recorded in one physical memory or may be recorded while being distributed between two or more memories and recording media.

Although various flowcharts are disclosed to describe the embodiments of the present invention, this is for convenience of description of each step, and each step is not necessarily performed according to the order of the flowchart. That is, each step in the flowchart may be performed simultaneously with each other, performed in an order according to the flowchart, or may be performed in an order opposite to the order in the flowchart.

Hereinafter, an apparatus for tracking a vehicle location using multiple wireless networks and multiple devices and a method for controlling the same according to some embodiments of the present invention will be described.

1 is a view for explaining an application example of a vehicle location tracking apparatus using multiple wireless networks and multiple devices according to an embodiment of the present invention.

Referring to FIG. 1 , a vehicle location tracking device (hereinafter, referred to as a 'vehicle location tracking device') 100 using multiple wireless networks and multiple devices is attached to a vehicle and interlocks with a global positioning system (GPS) satellite to the vehicle. The location of may be provided to the service server 40 .

The service server 40 stores and manages vehicle location information provided by the vehicle location tracking device 100, and the user accesses the service server 40 through a user terminal (not shown) to access the vehicle location history, current You can check the location, etc. Accordingly, even in situations such as theft of the vehicle, the user can check the movement of the vehicle or the current location.

The vehicle location tracking device 100 may be connected to the service server 40 using different types of communication networks. For example, the vehicle location tracking device 100 may provide location information to the service server 40 through the wireless mesh network 32 as well as the mobile communication network 31 .

Here, the mobile communication network 31 includes first-generation analog cellular communication (FDMA method), second-generation digital cellular communication (CDMA/TDMA method), third-generation IMT-2000, and fourth-generation System beyond IMT-2000 (Beyond 3G, B3G). , IMT-Advanced) to 5th generation IMT-2020 means at least one or more. For example, the vehicle location tracking apparatus 100 may support a plurality of mobile communication methods, such as supporting 2nd and 4th generation mobile communication networks.

In addition, the wireless mesh network 32 collectively refers to a technology for generating a wireless network using a plurality of nodes, for example, IEEE 802.11s, IEEE 802.15.4-2003I, EEE 802.15.5, IEEE 802.16 mesh/j, etc. It means not only standardization technology of technology, but also IoT-based communication methods such as SigFox and Rola.

2 is a diagram illustrating an example of vehicle application of a vehicle location tracking device according to an embodiment of the present invention.

Referring further to FIG. 2 , the vehicle location tracking apparatus 100 may include a master device 200 and a slave device 300 .

The master device 200 is attached to a position of the vehicle and operates by receiving power from the vehicle. The slave device 300 is a device separate from the master device 200 , is attached to a different location from the master device 200 , has its own power source, that is, a battery, and operates based on this.

The master device 200 operates in a normal state to provide the location of the vehicle to the service server, and the slave device 300 operates when the master device 100 is in an abnormal state to provide the location of the vehicle to the service server.

For example, the master device 200 is connected to the power supply of the vehicle and may be located on the front of the vehicle, and the slave device 300 has a shape similar to that of the vehicle - for example, a headlight component, or a top portion of the vehicle. It is formed as a shark antenna, etc., and may be attached to a vehicle while being spaced apart from the master device 200 . This makes it difficult for the slave device 300 to recognize even if the illegal vehicle stealers disable the master device 200 such as malfunctioning the master device 200 or changing the power supply line of the master device 200. Together, when the master device 200 is in a non-operational state, the location of the vehicle is provided using the slave device 300, so that the vehicle location information can be safely secured even in situations such as illegal takeover of the vehicle. .

The master device 200 may provide a location of a vehicle by supporting a plurality of communication networks, for example, a mobile communication network and a wireless mesh network. For example, when the hijacker performs jamming interference with the mobile communication network, the master device 200 can check the access impossible situation of the mobile communication network. In this case, the location information of the vehicle is transmitted to the service server using the wireless mesh network. can provide Such a wireless mesh network is a mesh network formed by using, as a neighboring node, another vehicle location tracking device installed in another vehicle.

The slave device 300 may also provide a vehicle location by supporting a plurality of communication networks, for example, a mobile communication network and a wireless mesh network. Hereinafter, an example in which the slave device 300 uses a wireless mesh network will be described, but this is exemplary and the slave device 300 may also be connected to a service server through a mobile communication network.

The master device 200 and the slave device 300 may be interconnected through a wireless network. For example, it is possible to connect in various ways, such as interconnecting using a short-range wireless network or interconnecting as an adjacent node of a wireless mesh network. Hereinafter, the master device 200 and the slave device 300 communicate with each other through a wireless mesh network as an example, but is not limited thereto, and may communicate with each other using a separate short-range wireless communication method. .

In an embodiment, the slave device 300 is mainly in a sleep mode to minimize battery consumption. After the slave device 300 wakes up after maintaining the sleep mode for a predetermined time or more, the state of the master device 200 may be checked. The slave device 300 may be set to the sleep mode again when the master device 200 operates in a normal state. On the other hand, when the master device 200 is in an abnormal state or access to the master device 200 is invalid, the slave device 300 transmits vehicle location information to the service server using a wireless network, for example, a wireless mesh network. can provide

Hereinafter, various embodiments of the master device 200 to the slave device 300 will be described with reference to FIGS. 3 to 6 .

3 is a block diagram illustrating an example of a master device of a vehicle location tracking apparatus according to an embodiment of the present invention.

Referring to FIG. 3 , the master device 200 may include a positioning unit 210 , a power supply unit 220 , a control unit 230 , and a wireless communication unit 240 .

The location check unit 210 may generate location information of the vehicle in conjunction with the GPS satellite 20 .

The power supply unit 220 may receive power from the vehicle and provide power to other components of the master device 200 . According to an embodiment, the power supply 220 may change and provide the supplied power to have a voltage or current suitable for other components.

The wireless communication unit 240 may form a wireless communication connection with a service server by supporting a plurality of wireless communication methods.

For example, the wireless communication unit 240 may include a first wireless communication module 241 connectable to a mobile communication network and a second wireless communication module 242 connectable to a wireless mesh network.

The controller 230 may operate the master device 200 by controlling other components of the master device 200 .

The control unit 230 may control to periodically generate vehicle location information using the location check unit 210 and provide the vehicle location information generated using the wireless communication unit 240 to the service server.

In an embodiment, the controller 230 may set a preferred communication method and a suboptimal communication method for the wireless communication method. For example, the controller 230 may first attempt to provide the vehicle location information to the service server through a mobile communication method using the first wireless communication module 241 . If it is determined that access to the mobile communication network is impossible or invalid, the control unit 230 suboptimally uses the second wireless communication module 242 to link with another vehicle location tracking device attached to another vehicle. It is possible to provide the location information of the vehicle to the service server through the wireless mesh network. This is because a typical vehicle location tracking device mainly uses a mobile communication network technology, and when an attack such as jamming occurs on the mobile communication network or access to the mobile communication network is not possible, a wireless mesh network is used incidentally to perform a jamming attack. This is in order to be able to respond as the master device 200 itself.

In one embodiment, the controller 230 may determine whether a jamming attack on the mobile communication network. If it is determined as a jamming attack, the control unit 230 uses the second wireless communication module 242 to provide vehicle location information to the service server through a wireless mesh network formed in conjunction with another vehicle location tracking device attached to another vehicle. can be provided.

Alternatively, if it is determined as a jamming attack, the controller 230 may transmit a jamming situation message to the slave device 300 . Upon receiving the jamming situation message, the slave device 300 may provide vehicle location information to the service server using a wireless mesh network formed in conjunction with another vehicle location tracking device attached to another vehicle.

FIG. 4 is a block diagram illustrating an embodiment of the control unit shown in FIG. 3 .

Referring to FIG. 4 , the controller 230 may include a jamming detection module 231 , a slave response module 232 , a location information checking module 233 , and a location information transmission module 234 .

The jamming detection module 231 may determine whether a jamming attack is performed on the mobile communication network through the first wireless communication module 241 . For example, the jamming detection module 231 is a jamming attack when the frequency band of mobile communication is suddenly changed to a state in which communication is impossible within a preset time range in an area within the same range - for example, within a radius of several kilometers - can judge

The jamming detection module 231 may provide a determination as to whether a jamming attack occurs to the slave response module 232 or the location information transmission module 234 .

For example, in a jamming attack situation, the slave response module 232 may transmit a jamming situation message to the slave device 300 .

As another example, in the case of a jamming attack, the location information check module 233 generates location information of the vehicle in conjunction with the GPS satellite, and the location information transmission module 234 performs a wireless mesh network through the second wireless communication module 242 . can be used to provide vehicle location information to the service server.

The slave response module 232 may perform direct communication with the slave device 300 . For example, the slave response module 232 may receive a status check message from the slave device 300 , and may provide a status response message to the slave device 300 in a normal state. When the slave device 300 does not receive the status response message, the master device 100 may determine that it is in an abnormal state.

The location information transmission module 234 may use the first wireless communication module 241 or the second wireless communication module 242 to provide the location information of the vehicle generated by the location information checking module 233 to the service server. have.

5 is a block diagram illustrating an example of a slave device of a vehicle location tracking apparatus according to an embodiment of the present invention. Hereinafter, the slave device 300 will be described with reference to FIG. 5 .

Referring to FIG. 5 , the slave device 300 may include a positioning unit 310 , a battery unit 320 , a wireless communication unit 340 , and a control unit 330 .

The location check unit 310 may generate location information of the vehicle in conjunction with the GPS satellite 20 . In an embodiment, the location check unit 310 may set the non-operational state as a default state, and may operate only when there is a request from the controller 330 to generate vehicle location information.

The battery unit 320 may provide power to other components of the slave device 300 by using the power stored in the battery. According to an embodiment, the battery unit 320 may be changed to have a voltage or current suitable for other components.

The wireless communication unit 340 may support at least one wireless communication method. In the illustrated example, the wireless communication unit 340 is described as an example supporting a wireless mesh network, but is not limited thereto.

The controller 330 may operate the slave device 300 by controlling other components of the slave device 300 .

The controller 330 may operate based on the sleep mode.

For example, the controller 330 wakes up after operating in the sleep mode for a predetermined time, and sends a status check message—the status check message is used to check whether the master device is in a normal state—using the wireless mesh network. 340) can be controlled. If the status response message to the status check message is not received within a preset time, the control unit 330 activates the location check unit 310 to generate vehicle location information, and sends it to another vehicle through the wireless communication unit 340 . It can be controlled to provide vehicle location information to a service server using a wireless mesh network formed in conjunction with another attached vehicle location tracking device.

If the status response message is received from the master device 200 within a preset time, the controller 330 may control the slave device 300 to be set to the sleep mode for a predetermined time again.

For example, the controller 330 may set the wireless communication unit 340 to operate even in a sleep mode. When receiving a jamming situation message from the master device 200 through the wireless communication unit 340 in the sleep mode, the control unit 330 switches the slave device 300 to a wake-up state, and activates the location check unit 310 . to generate vehicle location information and, through the wireless communication unit 340, control to provide vehicle location information to the service server using a wireless mesh network formed in conjunction with another vehicle location tracking device attached to another vehicle. can

6 is a block diagram illustrating an embodiment of the control unit shown in FIG. 5 .

Referring to FIG. 6 , the control unit 330 may include a mode management module 331 , an emergency state determination module 332 , a location information checking module 333 , and a location information transmission module 334 .

The mode management module 331 may set a mode of the slave device 300 , that is, a sleep mode and an operation mode.

For example, the mode management module 331 sets to operate in the sleep mode for a predetermined time, operates a wake-up timer while operating in the sleep mode, and wakes up the slave device 300 after a predetermined period of time has elapsed. can be converted to

As another example, when a jamming message is received through the wireless communication unit 340 , the mode management module 331 may wake up the slave device 300 .

Alternatively, the mode management module 331 may switch to the sleep mode after the slave device 300 wakes up and switches to the operation mode, generates vehicle location information and transmits the location information to the service server. This is to efficiently use the storage power of the battery since the slave device 300 operates based on the battery.

The emergency state determination module 332 may determine the emergency state of the master device 200 .

As an example, the emergency state determination module 332 may control to transmit a state confirmation message to the master device 200 in an operating state, and if a state response message is not received from the master device 200, the emergency state can be set.

As another example, when a jamming message is received through the wireless communication unit 340 , the emergency state determination module 332 may set the emergency state.

When the emergency state determination module 332 is determined to be an emergency state, it may notify the location information confirmation module 333 and the location information transmission module 334 of this. The location information check module 333 obtains the location information of the vehicle in conjunction with the GPS satellite and provides it to the location information transmission module 334, and the location information transmission module 334 transmits the location information of the vehicle to the wireless communication unit 240. It can be controlled to provide it to the service server through

In the above, various embodiments of a vehicle location tracking apparatus using multiple wireless networks and multiple devices have been described with reference to FIGS. 1 to 6 .

Hereinafter, a method for controlling a vehicle location tracking apparatus using multiple wireless networks and multiple devices according to an embodiment of the present invention will be described.

The method for controlling a vehicle location tracking device using multiple wireless networks and multiple devices to be described below is performed based on the influencer-sponsored marketing platform system described above with reference to FIGS. 1 to 6 , so in FIGS. It can be understood more easily by referring to the previously described contents.

7 is a flowchart illustrating a method of controlling a vehicle location tracking apparatus using multiple wireless networks and multiple devices according to an embodiment of the present invention.

Referring to FIG. 7 , the master device 200 operates by receiving power from the vehicle, and may check the location information of the vehicle through a mobile communication network by interworking with the GPS satellite and provide it to the service server (S711).

When the master device is in an abnormal state, the slave device 300 may check vehicle location information and provide it to the service server.

For example, the slave device 300 may operate in the sleep mode, and may operate in the sleep mode for a predetermined time by operating a wake-up timer when the slave device 300 is switched to the sleep mode (S722).

When the wake-up timer is completed, the slave device 300 may wake up, provide a status check message to the master device 200, and check whether a status response message therefor is returned (S732).

When the master device 200 is operating normally, upon receiving the status check message, a status response message is generated and provided to the slave device 300 (S741).

If the status response message from the master device 200 is not returned within the preset time, the slave device 300 determines that the master device is in an abnormal state, generates vehicle location information, and provides a service through the wireless mesh network. It can be provided to the server (S752).

Thereafter, the slave device 300 may be switched back to the sleep mode and may operate a wake-up timer (S762). The slave device 300 may operate by repeating these steps S722 to S762.

In one embodiment for step S711, the master device 200 may first attempt to provide the location information of the vehicle to the service server using a wireless mobile communication method. If it is determined that the access to the wireless mobile communication network is invalid, the master device 200 uses a wireless mesh network formed in conjunction with another vehicle location tracking device attached to another vehicle to suboptimally locate the vehicle in the service server. information can be provided.

8 is a flowchart illustrating a method of controlling a vehicle location tracking apparatus using multiple wireless networks and multiple devices according to another embodiment of the present invention.

Referring to FIG. 8 , the master device 200 operates by receiving power from the vehicle, and may check the location information of the vehicle through a mobile communication network by interworking with the GPS satellite and provide it to the service server (S811).

In addition, the master device 200 may determine whether a jamming attack on the mobile communication network (S821).

If it is determined that a jamming attack has occurred, the master device 200 may transmit a jamming situation message to the slave device 300 using a wireless mesh network (S831).

When the slave device 300 receives the jamming situation message from the master device, it may switch to a wake-up state (S842). Thereafter, the slave device 300 may check the location information of the vehicle and provide the location information of the vehicle to the service server using the wireless mesh network (S852).

Thereafter, the slave device 300 may be switched back to the sleep mode and may operate a wake-up timer (S862).

The present invention described above is not limited by the above-described embodiments and the accompanying drawings, but is limited by the claims described below, and the configuration of the present invention may vary within the scope without departing from the technical spirit of the present invention. Those of ordinary skill in the art to which the present invention pertains can easily recognize that it can be changed and modified.

100: vehicle location tracking device
200: master device 300: slave device
210: positioning unit 220: power supply
230: control unit 240: wireless communication unit
241: first wireless communication module 242: second wireless communication module
310: positioning unit 320: battery unit
330: control unit 340: wireless communication unit
341: first wireless communication module

Claims (11)

A vehicle location tracking device that is attached to a vehicle and provides a location of the vehicle to a service server by interworking with GPS (Global Positioning System) satellites,
a master device attached to a location of the vehicle to receive power from the vehicle, check the location information of the vehicle in conjunction with the GPS satellite, and provide it to the service server; and
It consists of a device separate from the master device, is attached to one location and another location, receives power using a battery provided by itself, and checks the location information of the vehicle when the master device is in an abnormal state. a slave device provided to the service server;
A vehicle location tracking device using multiple wireless networks and multiple devices, comprising:
According to claim 1,
The master device is
providing the location information of the vehicle to the service server using a mobile communication network;
The slave device is
Providing the location information of the vehicle to the service server using a wireless mesh network formed in conjunction with another vehicle location tracking device attached to another vehicle
Vehicle location tracking device using multiple wireless networks and multiple devices, characterized in that.
According to claim 1, wherein the master device,
First, an attempt is made to provide the location information of the vehicle to the service server using a mobile communication network, and if it is determined that access to the mobile communication network is invalid, another vehicle location tracking device attached to another vehicle suboptimally Providing the location information of the vehicle to the service server using a wireless mesh network formed in conjunction with
Vehicle location tracking device using multiple wireless networks and multiple devices, characterized in that.
According to claim 1, wherein the master device,
a power supply unit receiving power from the vehicle and providing power to other components of the master device;
a first positioning unit for generating location information of the vehicle in conjunction with the GPS satellite;
a first wireless communication unit including a first wireless communication module connectable to a mobile communication network and a second wireless communication module connectable to a wireless mesh network; and
Controlling to provide the location information of the vehicle to the service server using the first wireless communication module, determining whether a jamming attack on the mobile communication network occurs, and using the second wireless communication module if the jamming attack occurs a first control unit for controlling to provide the location information of the vehicle to the service server;
A vehicle location tracking device using multiple wireless networks and multiple devices, comprising:
The method of claim 4, wherein the slave device,
a battery unit providing power to other components of the slave device using the stored power;
a second positioning unit for generating location information of the vehicle in conjunction with the GPS satellite;
a second wireless communication unit connectable to the wireless mesh network; and
The second device wakes up after operating in the sleep mode for a predetermined time, and sends a status check message—the status check message is used to check whether the master device is in a normal state—to the master device using the wireless mesh network. Control the wireless communication unit, and if a status response message to the status check message is not received within a preset time, the location information of the vehicle using a wireless mesh network formed in conjunction with another vehicle location tracking device attached to another vehicle a second control unit for controlling to provide to the service server;
A vehicle location tracking device using multiple wireless networks and multiple devices, comprising:
According to claim 5, wherein the second control unit,
When the status response message is received from the master device within a preset time, controlling the slave device to set to a sleep mode for a predetermined time
Vehicle location tracking device using multiple wireless networks and multiple devices, characterized in that.
According to claim 5, wherein the first control unit,
It is determined whether a jamming attack has occurred on the mobile communication network, and if the jamming attack occurs, a jamming situation message is transmitted to the slave device using the second wireless communication module,
The second control unit,
When receiving the jamming situation message from the master device, controlling to provide the location information of the vehicle to the service server using a wireless mesh network formed in conjunction with another vehicle location tracking device attached to another vehicle
Vehicle location tracking device using multiple wireless networks and multiple devices, characterized in that.
A method of controlling a vehicle location tracking device using multiple wireless networks and multiple devices, which is attached to a vehicle and is performed in a vehicle location tracking device that provides a location of the vehicle to a service server by interworking with a GPS (Global Positioning System) satellite,
The vehicle location tracking device,
A master device attached to one location of the vehicle and a slave device attached to another location different from the one location,
receiving, by the master device, power from the vehicle;
checking, by the master device, the location information of the vehicle in conjunction with the GPS satellite and providing it to the service server; and
checking, by the slave device, the location information of the vehicle when the master device is in an abnormal state and providing it to the service server;
A control method of a vehicle location tracking device using multiple wireless networks and multiple devices, comprising:
The method of claim 8, wherein the step of providing, by the master device, to the service server by checking the location information of the vehicle in conjunction with the GPS satellite,
preferentially attempting to provide location information of the vehicle to the service server using a wireless mobile communication method; and
If it is determined that the access to the mobile communication network is invalid, the vehicle location information is provided to the service server using a wireless mesh network formed in conjunction with another vehicle location tracking device attached to another vehicle. step;
A control method of a vehicle location tracking device using multiple wireless networks and multiple devices, comprising:
The method of claim 8, wherein the step of providing, by the slave device, to the service server by verifying the location information of the vehicle when the master device is in an abnormal state comprises:
waking up, by the slave device, after operating in the sleep mode for a predetermined time;
sending a status check message, wherein the status check message is used to check whether the master device is in a normal state, to the master device using a wireless mesh network; and
If a status response message to the status check message is not received within a preset time, the location information of the vehicle is provided to the service server using a wireless mesh network formed in conjunction with another vehicle location tracking device attached to another vehicle. to do;
A control method of a vehicle location tracking device using multiple wireless networks and multiple devices, comprising:
The method of claim 10, wherein the control method of the vehicle location tracking device comprises:
determining, by the master device, whether a jamming attack on the mobile communication network;
if it is determined that the jamming attack has occurred, transmitting, by the master device, a jamming situation message to the slave device using a wireless mesh network; and
Upon receiving the jamming situation message from the master device, the slave device provides the location information of the vehicle to the service server using a wireless mesh network formed in conjunction with another vehicle location tracking device attached to another vehicle. step;
Control method of a vehicle location tracking device using multiple wireless networks and multiple devices, characterized in that it further comprises.

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