KR20230005684A - Ultra-wideband module, vehicle communication system using uwb module, vehicle communication method using the same - Google Patents

Abstract

A UWB module, a vehicle communication system using the UWB module, and a vehicle communication method using the UWB module are provided. The vehicle communication system using the UWB module comprises: a plurality of UWB modules mounted on a vehicle; and a control unit controlling each of the plurality of UWB modules according to control of a user through a UWB communication command. Each of the plurality of UWB modules includes a directional antenna and an omnidirectional antenna. According to the UWB communication command, UWB communication is performed by using the directional antenna or the omnidirectional antenna.

Description

UWB module, vehicle communication system using UWB module, and vehicle communication method using UWB module

The present invention relates to a UWB module, and a vehicle communication system and method using the UWB module, and more specifically, to a vehicle communication system and method, and more particularly, by controlling a plurality of UWB modules mounted in a vehicle and including a directional antenna and a non-directional antenna to determine distance and distance to a target outside the vehicle. A vehicle communication system and method capable of measuring location, recognizing a passenger inside a vehicle, and the like.

Recently, in order to meet the user's needs for user convenience, safety and security, a next-generation communication system that cannot be implemented only with the existing RF (Radio Frequency) / LF (Low Frequency) communication system, for example, UWB (Ultra Wide-Band) ), a communication system using mmWave radar technology is being applied. That is, a communication module implemented in an ultra-wideband or microwave communication standard is installed in a vehicle in order to implement functions such as determining the location of a passenger in a vehicle, seamless access, relay attack defense, and the like.

The above-described UWB module in a vehicle uses a short pulse signal of several ns using a very wide frequency band and a very low power spectral density. The UWB module is characterized by high security and compatibility that enables simultaneous use with other communication standards.

In addition, the mmWave radar module is characterized in that it can implement passenger detection in the vehicle through motion monitoring and microwave signal processing.

However, when a UWB module and mmWave radar are simultaneously mounted in a vehicle to implement the above functions, problems such as high cost, low efficiency, and increased circuit complexity may appear in system construction.

A technical problem to be solved by the present invention is to selectively switch a directional antenna and a non-directional antenna included in a plurality of UWB modules mounted in a vehicle to perform UWB communication outside or inside the vehicle according to a control signal provided from the vehicle control unit. A UWB module capable of this, and a vehicle communication system and method using the UWB module are provided.

The technical problems of the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the description below.

A UWB module according to some embodiments of the present invention for solving the above problems includes a directional antenna and a non-directional antenna for transmitting or receiving a pulse signal, a communication unit for performing UWB communication based on a UWB communication command received from a vehicle control unit, and a switching unit selectively connecting the communication unit to the directional antenna or the non-directional antenna according to the control of the communication unit.

In some embodiments of the present invention, when the UWB communication command includes an external communication mode, the communication unit connects to the omni-directional antenna to transmit and receive pulse signals in omnidirectional directions, and the communication unit determines that the UWB communication command is an internal communication mode. In the case of including, it is possible to transmit and receive a pulse signal to a specific position and direction inside the vehicle by connecting to the omnidirectional antenna.

In some embodiments of the present invention, the communication unit may generate Time of Flight (ToF) data based on a timing difference between a pulse signal transmitted through a non-directional antenna or a directional antenna and a received reflected signal.

A vehicle communication system using a UWB module according to an embodiment of the present invention for solving the above problems is a plurality of UWB modules installed in a vehicle and each of the plurality of UWB modules according to a user's control through a UWB communication command. A control unit for controlling each of the plurality of UWB modules includes a directional antenna and a omnidirectional antenna, and performs UWB communication using the directional antenna or the omnidirectional antenna according to the UWB communication command.

In some embodiments of the present invention, the plurality of UWB modules may include an internal UWB module disposed inside a vehicle to perform UWB communication.

In some embodiments of the present invention, it may further include an external UWB module including a directional antenna for transmitting or receiving a pulse signal to or from the outside of the vehicle.

In some embodiments of the present invention, the location and distance of an object or person outside the vehicle are measured using the external UWB module, and whether or not a passenger inside the vehicle is boarded and the location is determined using the internal UWB module. can be measured

In some embodiments of the present invention, the plurality of UWB modules transmit and receive pulse signals in omnidirectional directions through the omnidirectional antenna when the UWB communication command includes an external communication mode, and the UWB communication command is an internal communication mode. In the case of including, it is possible to transmit and receive a pulse signal to a specific position and direction inside the vehicle through the omnidirectional antenna.

In some embodiments of the present invention, the plurality of UWB modules generate Time of Flight (ToF) data based on a timing difference between a pulse signal transmitted through a non-directional antenna or a directional antenna and a received reflected signal, respectively, The data is transmitted to a control unit, and the control unit may measure the location and distance of the target by combining the ToF data generated from each of the plurality of UWB modules.

A vehicle communication method using a UWB module according to an embodiment of the present invention for solving the above problems includes transmitting a UWB communication command to at least one of a plurality of UWB modules mounted in a vehicle, receiving the UWB communication command Each UWB module processes the UWB communication command, and performs UWB communication with the outside or inside of the vehicle based on the type of communication mode included in the UWB communication command, and based on the result of performing the UWB communication and performing positioning and ranging of an object inside or outside the vehicle.

In some embodiments of the present invention, each of the plurality of UWB modules includes a directional antenna and an omnidirectional antenna, and performs UWB communication with respect to the outside or inside of the vehicle based on the type of communication mode included in the UWB communication command. The performing step may include transmitting and receiving pulse signals in omnidirectional directions through the omnidirectional antenna when the UWB communication command includes an external communication mode, and transmitting and receiving pulse signals in omnidirectional directions when the UWB communication command includes an internal communication mode. It may include transmitting and receiving a pulse signal to a specific location and direction inside the vehicle through

In some embodiments of the present invention, Time of Flight (ToF) data based on a timing difference between a pulse signal transmitted by each UWB module receiving the UWB communication command through an omni-directional antenna or a directional antenna and a received reflected signal The step of performing positioning and ranging of an object inside or outside the vehicle based on a result of performing the UWB communication includes combining the generated ToF data to determine the location and distance of the object. may include measuring

Details of other embodiments are included in the detailed description and drawings.

Through a UWB module, a vehicle communication system using the UWB module, and a vehicle communication method using the UWB module according to some embodiments of the present invention, it is mounted in a vehicle and can recognize objects and people outside the vehicle and perform UWB communication through a UWB communication protocol. It can recognize a smartphone/smart key, determine whether or not a passenger inside the vehicle is boarding, and perform location recognition. In particular, multiple UWB modules of a single type are mounted on the vehicle without the need to mount UWB modules for wireless communication outside and inside the vehicle and mmWave, respectively, and the configuration of a control unit for controlling them can also be simplified.

Such a UWB module can operate while freely switching a communication connection to the outside or inside of a vehicle by selectively connecting omni-directional and directional antennas by switching by an internal switching unit.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description below.

1 is a diagram for explaining a vehicle communication system using a UWB module according to some embodiments of the present invention.
2 is a diagram for explaining the configuration of a UWB module according to some embodiments of the present invention.
3 is a flowchart illustrating a vehicle communication method using a UWB module according to some embodiments of the present invention.
4A and 4B are diagrams for explaining a UWB module and a vehicle communication system using the UWB module according to some embodiments of the present invention.
5A and 5B are diagrams for explaining a UWB module and a vehicle communication system using the UWB module according to some embodiments of the present invention.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, only these embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to fully inform the holder of the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numbers designate like elements throughout the specification.

A component is said to be "connected to" or "coupled to" another component when it is directly connected or coupled to the other component or through another component in between. include all cases. On the other hand, when one component is referred to as “directly connected to” or “directly coupled to” another component, it indicates that another component is not intervened. “And/or” includes each and every combination of one or more of the recited items.

Terminology used herein is for describing the embodiments and is not intended to limit the present invention. In this specification, singular forms also include plural forms unless specifically stated otherwise in a phrase. As used herein, "comprises" and/or "comprising" means that a stated component, step, operation, and/or element is present in the presence of one or more other components, steps, operations, and/or elements. or do not rule out additions.

Although first, second, etc. are used to describe various constituent elements, these constituent elements are not limited by these terms, of course. These terms are only used to distinguish one component from another. Accordingly, it goes without saying that the first component mentioned below may also be the second component within the technical spirit of the present invention.

Unless otherwise defined, all terms (including technical and scientific terms) used in this specification may be used in a meaning commonly understood by those of ordinary skill in the art to which the present invention belongs. In addition, terms defined in commonly used dictionaries are not interpreted ideally or excessively unless explicitly specifically defined.

1 is a diagram for explaining a vehicle communication system using a UWB module according to some embodiments of the present invention.

Referring to FIG. 1 , a vehicle communication system 1 using a UWB module according to some embodiments of the present invention may include a plurality of UWB modules 110 to 180 and a control unit 200 .

The vehicle system 1 using the UWB module can measure the location and distance of an object outside the vehicle, a user approaching with a smart phone or a smart key, and the like. In addition, it is possible to determine whether a passenger inside the vehicle is boarding or not, and to measure the boarding position of the passenger. The vehicle system 1 using the UWB module for the aforementioned driving may classify and operate at least one of the plurality of UWB modules 110 to 180 as an external communication mode or an internal communication mode.

The plurality of UWB modules 110 to 180 are communication modules capable of using a short-range wireless communication protocol operating through radio waves in a very wide frequency band of several GHz or more. The plurality of UWB modules 110 to 180 are UWB anchors capable of recognizing the location and distance of objects outside the vehicle and recognizing whether or not passengers are inside the vehicle by using a UWB communication protocol characterized by precise spatial recognition and directionality. anchor).

The plurality of UWB modules (110 to 180) include external UWB modules (110, 140, 150, 180) for recognizing the location and distance of objects outside the vehicle, and internal UWB modules (120, 130, 160, 170) may be included. In this specification and drawings, it is described that the external UWB module and the internal UWB module are each composed of four UWB modules. 160 and 170) may be configured to include at least one or more UWB modules, respectively.

Hereinafter, the external UWB modules 110, 140, 150, and 180 include the UWB modules 110 and 150 installed on the right and left sides of the front bumper of the vehicle, respectively, and the UWB modules 140 installed on the right and left sides of the rear bumper of the vehicle, respectively. , 180). In addition, it will be described that the internal UWB modules 120, 130, 160, and 170 are installed to correspond to the driver's seat, the front passenger's seat, and the right and left rear seats (second and third rows) inside the vehicle.

The external UWB modules 110, 140, 150, and 180 each include a directional antenna for transmitting or receiving a pulse signal, and perform UWB communication using the directional antenna according to a UWB communication command provided from the control unit 200. can

The internal UWB modules 120, 130, 160, and 170 each include a directional antenna and an omni-directional antenna that transmit or receive pulse signals, and use a directional antenna or an omni-directional antenna according to a UWB communication command provided from the control unit 200. It can be used to perform the functions described above.

That is, the external UWB modules 110, 140, 150, and 180 include only directional antennas for external communication, and the internal UWB modules 120, 130, 160, and 170 are selectively controlled by the control unit 200. External communication or internal communication may be performed using a directional antenna or a non-directional antenna. A detailed description of this will be given later.

The control unit 200 may control each of the plurality of UWB modules 110 to 180 according to the user's control. The control unit 200 may be implemented in the form of hardware and software, or may be implemented in the form of a combination of hardware and software. For example, it may include a microcontroller unit (MCU) that controls electronic equipment or communication equipment of a vehicle, and may be composed of a single or a plurality of MCUs.

The controller 200 may control each of the plurality of UWB modules 110 to 180 in response to user control. For example, the controller 200 may control the external UWB modules 110, 140, 150, and 180 among the plurality of UWB modules 110 to 180 to use directional antennas for recognizing entry and exit areas and objects around the vehicle. there is.

Alternatively, the control unit 200 operates in an external communication mode using a directional antenna for the internal UWB modules 120, 130, 160, and 170 among the plurality of UWB modules 110 to 180 to recognize an entry area and an object around the vehicle. , it can be controlled to operate in an internal communication mode using a non-directional antenna to recognize whether or not a passenger is in the vehicle and the location of the passenger.

The controller 200 may measure the location and distance of an object based on Time of Flight (ToF) data provided by a plurality of UWB modules operating in an external communication mode. Specifically, the controller 200 may measure the location and distance of the target by combining ToF data measured by a plurality of UWB modules through a method such as triangulation. The target may include objects, people around the system 1, or a user possessing a smartphone/smart key capable of UWB communication.

2 is a diagram for explaining the configuration of a UWB module according to some embodiments of the present invention. The UWB module described in FIG. 2 is one 120 of the internal UWB modules 120 , 130 , 160 , and 170 described in FIG. 1 .

Referring to FIG. 2 , a UWB module 120 according to some embodiments of the present invention may include a communication unit 121, a switching unit 122, a directional antenna and an omni-directional antenna. Of course, the configuration and operation of the UWB module 120 described below can also be applied to other internal UWB modules 120, 130, 160, and 170 included in the present system 1.

The communication unit 121 may receive a UWB communication command provided from the control unit 200 and control the switching unit 122 based on the command. When the UWB communication command provided from the control unit 200 includes controlling the internal UWB module 120 in an external communication mode, the communication unit 121 controls the switching unit 122 to be connected to the omnidirectional antenna 123. can do. Conversely, when the UWB communication command provided from the control unit 200 includes controlling the internal UWB module 110 in the internal communication mode, the communication unit 121 controls the switching unit 122 to be connected to the directional antenna 123. can do.

When the internal UWB module 120 operates in the external communication mode, the internal UWB module 120 transmits a pulse signal and receives a reflected signal in all directions of the internal UWB module 120 using the omnidirectional antenna 124. can do. At this time, the internal UWB module 120 generates Time of Flight (ToF) data based on the time between the transmission timing of the pulse signal and the reception timing of the reflected signal reflected from the target and provided to the control unit 200. can do.

When the internal UWB module 120 operates in the internal communication mode, the internal UWB module 120 transmits a pulse signal toward a specific seat or direction inside the vehicle using the directional antenna 123 and receives a reflected signal from the target. can receive Similarly, the internal UWB module 120 may generate ToF data based on the time between the transmission timing and the reception timing of the pulse signal and provide the ToF data to the control unit 200 .

The communication unit 121 may perform UWB communication using an antenna connected as a result of the control of the switching unit 122 .

Specifically, the communication unit 121 generates a pulse signal transmitted through the omnidirectional antenna 124 or the directional antenna 123 when the internal UWB module 120 operates in an external communication mode or an internal communication mode, respectively, and It is possible to receive a reflected signal reflected from the. In addition, ToF data may be generated based on a time difference between a transmitted signal and a received signal.

As such, the communication unit 121 may include a communication interface and a ToF sensor.

The switching unit 122 may selectively connect the communication unit 121 between the directional antenna 123 and the non-directional antenna 124 under the control of the communication unit 121 . As described above, when the internal UWB module 120 operates in the internal communication mode, the switching unit 122 connects the communication unit 121 and the directional antenna 123, and the internal UWB module 120 operates in the external communication mode. In this case, the switching unit 122 may connect the communication unit 121 and the non-directional antenna 124.

The directional antenna 123 may be configured to transmit/receive pulse signals in a specific direction or location inside the vehicle. As the directional antenna 123, a single antenna capable of simultaneous transmission and reception or a dual antenna method in which transmission and reception antennas are separated may be used.

The omnidirectional antenna 124 may be configured to transmit and receive pulse signals in all directions of the internal UWB module 120 . The omni-directional antenna 124 may also use a single antenna capable of simultaneous transmission and reception or a dual antenna method in which transmission and reception antennas are separated.

3 is a flowchart illustrating a vehicle communication method using a UWB module according to some embodiments of the present invention.

Referring to FIG. 3 , a vehicle communication method using a UWB module includes transmitting a UWB communication command from the control unit 200 to at least one of a plurality of UWB modules 120 , 130 , 160 , and 170 ( S110 ), UWB communication Each UWB module receiving the command processes the command (S120), determines the communication mode of the received UWB communication command (S130), and connects the omni-directional antenna and the communication unit by the switching unit in the case of an external communication mode. (S140), positioning and ranging using the omnidirectional antenna of the UWB module (S150), connecting the directional antenna and the communication unit by the switching unit when the communication mode of the received UWB communication command is the internal communication mode (S160) ), and performing, by the UWB module, passenger boarding recognition using a directional antenna (S170).

First, a step of transmitting a UWB communication command from the controller 200 to at least one of the plurality of UWB modules 120, 130, 160, and 170 (S110) is performed. The control unit 200 may generate and transmit a UWB communication command to the plurality of UWB modules 120 , 130 , 160 , and 170 under user control.

For example, when the user turns on the front and rear parking sensors of the vehicle or inputs the reverse gear, the controller 200 includes a plurality of UWB modules (120, 130, 160, 170) to detect objects or people around the vehicle. ) can provide UWB communication commands.

Alternatively, when a user gets out of the vehicle and locks the vehicle door using a smart key, the controller 200 uses a plurality of UWB modules (120, 130, 160, 170) to detect whether a passenger is inside the vehicle or not. UWB communication commands can be provided to the target.

Among the plurality of UWB modules 110 to 180 , a UWB module receiving a UWB communication command from the control unit 200 and a UWB module not receiving a UWB communication command may exist. For example, when operating a UWB module for parking, a UWB communication command may be provided only for all UWB modules 110 to 180 . Conversely, when the user locks the door lock of the vehicle, a UWB communication command may be provided only to the internal UWB modules 120, 130, 160, and 170.

Subsequently, a step of processing the UWB communication command by the UWB module receiving the UWB communication command (S120) is performed. The communication unit 121 receiving the UWB communication command may process the command to determine a communication mode and connect a switch, which will be described later.

The communication unit 121 determines the communication mode of the UWB communication command (S130). This will be described using FIGS. 4A and 4B.

4A and 4B are diagrams for explaining a UWB module and a vehicle communication system using the UWB module according to some embodiments of the present invention.

Referring to FIG. 4A , as a result of determination by the communication unit 121, when the communication mode of the received UWB communication command is an external communication mode, the communication unit 121 controls the switching unit 122 to connect the omni-directional antenna 124 and The communication unit 121 is connected (S140). The communication unit 121 may transmit a pulse signal in all directions of the UWB module using the omnidirectional antenna 124 and receive a reflected signal reflected from an object or person.

4B shows a configuration in which a UWB communication command instructing the internal UWB modules 120, 130, 160, and 170 to operate in an external communication mode is provided and operated when the UWB module is operated for parking. In this case, the external UWB modules 110, 140, 150, and 180 may also perform external communication using a directional antenna to recognize objects around the vehicle.

The communication unit 121 may generate ToF data based on the time between the transmission timing of the pulse signal and the reception timing of the reflection signal and provide the ToF data to the control unit 200 . The controller 200 receives ToF data from the communication units of the internal UWB modules 120, 130, 160, and 170 operating in an external communication mode, and combines the received ToF data through a method such as triangulation to locate the target. and distance can be measured. In addition, the control unit 200 receives ToF data from the communication units of the external UWB modules 110, 140, 150, and 180, and combines the received ToF data through a method such as triangulation to measure the location and distance of an object. can

5A and 5B are diagrams for explaining a UWB module and a vehicle communication system using the UWB module according to some embodiments of the present invention.

Referring to FIG. 5A, as a result of determination by the communication unit 121, when the communication mode of the received UWB communication command is the internal communication mode, the communication unit 121 controls the switching unit 122 to connect the directional antenna 123 and the communication unit. (121) is connected (S160). The communication unit 121 may use the directional antenna 123 to transmit/receive pulse signals in a specific direction or location inside the vehicle.

5B shows a UWB communication command instructing the internal UWB modules 120, 130, 160, and 170 to operate in the internal communication mode when the user operates the UWB module by locking the door lock of the vehicle using a smart key. The configuration provided and in operation is shown. The internal UWB modules 120, 130, 160, and 170 shown in solid lines operate to transmit and receive pulse signals using directional antennas, and the external UWB modules 110, 140, 150, and 180 shown in broken lines do not operate. .

Subsequently, a step of recognizing passenger boarding using the directional antenna 123 (S170) is performed. The communication unit 121 may generate ToF data based on the time between the transmission timing of the pulse signal and the reception timing of the reflection signal and provide the ToF data to the control unit 200 . The control unit 200 receives ToF data from the communication units of the UWB modules 120, 130, 160, and 170 operating in the internal communication mode, and combines the received ToF data through a method such as triangulation for passengers inside the vehicle. It is possible to perform boarding determination and location measurement.

Through the above-described UWB module, vehicle communication system using the UWB module, and vehicle communication method using the UWB module according to some embodiments of the present invention, it is installed in a vehicle and recognizes objects and people outside the vehicle through the UWB communication protocol, UWB It can recognize a communicable smart phone/smart key, determine whether or not a passenger inside the vehicle is on board, and perform location recognition. In particular, multiple UWB modules of a single type are mounted on the vehicle without the need to mount UWB modules for wireless communication outside and inside the vehicle and mmWave, respectively, and the configuration of a control unit for controlling them can also be simplified.

Such a UWB module can operate while freely switching a communication connection to the outside or inside of a vehicle by selectively connecting omni-directional and directional antennas by switching by an internal switching unit.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art can realize that the present invention can be implemented in other specific forms without changing the technical spirit or essential features. you will be able to understand Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting.

110 to 180: UWB module 121: communication unit
122: switching unit 123: directional antenna
124: omnidirectional antenna 200: control unit

Claims (12)

a directional antenna and an omni-directional antenna for transmitting or receiving a pulse signal;
a communication unit that performs UWB communication based on the UWB communication command received from the vehicle control unit; and
Including a switching unit for selectively connecting the communication unit to the directional antenna or the non-directional antenna according to the control of the communication unit,
UWB module. According to claim 1,
The communication unit, when the UWB communication command includes an external communication mode,
Connecting to the omnidirectional antenna to transmit and receive pulse signals in all directions;
The communication unit, when the UWB communication command includes an internal communication mode,
Connecting to the omni-directional antenna to transmit and receive pulse signals to a specific location and direction inside the vehicle,
UWB module. According to claim 2,
The communication unit generates ToF (Time of Flight) data based on a timing difference between a pulse signal transmitted through a omni-directional antenna or a directional antenna and a received reflected signal,
UWB module. a plurality of UWB modules mounted on a vehicle; and
A control unit controlling each of the plurality of UWB modules according to a user's control through a UWB communication command;
Each of the plurality of UWB modules includes a directional antenna and an omni-directional antenna,
Performing UWB communication using the directional antenna or the omnidirectional antenna according to the UWB communication command,
Vehicle communication system using UWB module. According to claim 4,
The plurality of UWB modules,

Including an internal UWB module disposed inside the vehicle to perform UWB communication,
Vehicle communication system using UWB module. According to claim 5,
Further comprising an external UWB module including a directional antenna for transmitting or receiving a pulse signal to or from the outside of the vehicle,
Vehicle communication system using UWB module. According to claim 4,
The plurality of UWB modules,
If the UWB communication command includes an external communication mode,
Transmitting and receiving pulse signals in all directions through the omnidirectional antenna;
If the UWB communication command includes an internal communication mode,
Transmitting and receiving pulse signals to a specific location and direction inside the vehicle through the omnidirectional antenna,
Vehicle communication system using UWB module. According to claim 7,
The plurality of UWB modules generate ToF (Time of Flight) data based on a timing difference between a pulse signal transmitted through an omni-directional antenna or a directional antenna and a received reflected signal, respectively, and transmits them to the control unit;
The control unit measures the location and distance of an object by combining ToF data generated from each of the plurality of UWB modules.
Vehicle communication system using UWB module. Transmitting a UWB communication command to at least one of a plurality of UWB modules mounted in a vehicle;
processing the UWB communication command by each UWB module receiving the UWB communication command, and performing UWB communication with the outside or inside of the vehicle based on the type of communication mode included in the UWB communication command; and
Performing positioning and ranging of an object inside or outside the vehicle based on a result of performing the UWB communication,
Vehicle communication method using UWB module. According to claim 9,
Each of the plurality of UWB modules includes a directional antenna and an omnidirectional antenna,
Performing UWB communication with the outside or inside of the vehicle based on the type of communication mode included in the UWB communication command,
If the UWB communication command includes an external communication mode,
Transmitting and receiving pulse signals in all directions through the omnidirectional antenna;
If the UWB communication command includes an internal communication mode,
Including transmitting and receiving a pulse signal to a specific location and direction inside the vehicle through the omnidirectional antenna,
Vehicle communication method using UWB module. According to claim 10,
Further comprising generating Time of Flight (ToF) data based on a timing difference between a pulse signal transmitted by each UWB module receiving the UWB communication command through an omni-directional antenna or a directional antenna and a received reflected signal, respectively. do,
The step of performing positioning and ranging of an object inside or outside the vehicle based on the result of performing the UWB communication,
Including measuring the position and distance of the target by combining each of the generated ToF data,
Vehicle communication method using UWB module. According to claim 9,
The plurality of UWB modules,
Including an internal UWB module disposed inside the vehicle to perform UWB communication,
Vehicle communication method using UWB module.

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