KR20210063831A - Apparatus and method for managing vehicle communication module - Google Patents

Abstract

Provided are a device and a method for managing a communication module for a vehicle to set an identifier of a communication module by using a difference between wireless signals received from the plurality of communication modules. The provided device and method for managing a communication module for a vehicle measure signal characteristics of radio signals received from the plurality of communication modules installed in a vehicle and compare the signal characteristics of the measured radio signals with a reference value to detect a mounting position of each of the plurality of communication modules to set as location information of the communication module.

Description

Communication module management device and method for vehicle {APPARATUS AND METHOD FOR MANAGING VEHICLE COMMUNICATION MODULE}

The present invention relates to an apparatus and method for managing a communication module for a vehicle for managing a plurality of communication modules installed in a vehicle.

Recently, various technologies for providing convenience to the driver and managing the state of the vehicle have been applied to vehicles. That is, in recent vehicles, a technology that automatically unlocks a door lock when a driver with a smart key approaches the vehicle, a technology that outputs an alarm to inform the driver of the parking location of the vehicle, and a technology that enables the driver to remotely start the vehicle from a location away from the vehicle As a technology for hanging and managing the condition of a vehicle, TPMS technology for monitoring the condition of a tire is being applied.

Accordingly, in recent vehicles, communication modules supporting various communication methods such as Bluetooth, UWB, LF, etc. are mounted, and a plurality of communication modules are mounted for each communication method.

To this end, the vehicle manufacturer designs the vehicle by presetting the mounting position of the communication module and the model (or type) of the communication module installed at the mounting position. The operator installs the communication module according to the designed content and connects them with a cable to configure the communication network in the vehicle.

However, there is a problem in that the manufacturing process is complicated because the operator has to check the model and the mounting position of the communication module one by one and mount the communication module because the mounting position and the model where the communication module is installed are set in advance.

In addition, in the prior art, since the operator must install the communication module after checking the mounting position and model one by one, the operator is confused and installs the communication module at a location other than the predetermined location frequently. In this case, there is a problem in that the manufacturing efficiency of the vehicle is lowered because it is necessary to disassemble and reassemble the completed vehicle because misinstallation of the communication module may be detected during the communication test process after the vehicle is completed.

In addition, since the communication modules are classified by connecting the communication modules through a cable in the related art, there is a problem in that the use of cables increases depending on the connection method, thereby increasing the cost of constructing a communication network in the vehicle.

Korean Patent Registration No. 10-0667045 (Name: Network System of Vehicle Using Power Line)

The present invention is to provide a communication module management apparatus and method for a vehicle to set the location information of the communication module by using the difference between the wireless signals received from a plurality of communication modules as proposed in order to solve the above problems of the prior art. The purpose.

In order to achieve the above object, an apparatus for managing a communication module for a vehicle according to an embodiment of the present invention measures the signal characteristics of a wireless signal receiver for receiving wireless signals from a plurality of communication modules installed in a vehicle, and the wireless signals received from the wireless signal receiver A mounting position detecting unit that detects the mounting position of each of a plurality of communication modules by comparing the signal characteristics of the radio signals measured by the signal characteristics measuring unit, the signal characteristics measuring unit with a reference value, and the mounting position detected by the mounting position detecting unit of the communication module and a location information setting unit for setting the location information.

The apparatus for managing a communication module for a vehicle according to an embodiment of the present invention may further include a reference storage unit for storing a reference value associated with a signal characteristic of a wireless signal and a mounting position.

The signal characteristics may include one or more of an output, an angle of arrival, and a time of arrival of the radio signal.

The wireless signal receiver may be disposed to have different distances from the plurality of communication modules in the vehicle.

The mounting position detecting unit may detect the mounting position included in the reference value corresponding to the signal characteristics of the radio signal measured by the signal characteristic measuring unit as the mounting position of the communication module.

A vehicle communication module management apparatus according to an embodiment of the present invention includes a reference storage unit for storing a reference value linking a transmission location, a reception location, and a signal characteristic range of a wireless signal, and a signal characteristic for collecting signal characteristics of a wireless signal from a plurality of communication modules Further comprising a collection unit, the signal characteristic collection unit each of the plurality of communication modules may collect the signal characteristics of the radio signals received from other communication modules. In this case, the mounting position detecting unit may detect a plurality of receiving positions based on the signal characteristics and reference values of the wireless signals collected by the signal characteristic collecting unit, and detecting the receiving position with the highest frequency as the mounting position of the communication module.

The location information setting unit may set the location information of the communication module by associating the identifier of each of the plurality of communication modules with the mounting position detected by the mounting position detecting unit.

In order to achieve the above object, the method for managing a communication module for a vehicle according to an embodiment of the present invention includes the steps of receiving radio signals from a plurality of communication modules installed in the vehicle, and the signal characteristics of the radio signals received in the step of receiving the radio signals. Comparing the signal characteristics of the wireless signals measured in the measuring step, measuring the signal characteristics with a reference value, detecting the mounting position of each of the plurality of communication modules, and detecting the mounting position of the communication module and setting the location information of

The method for managing a communication module for a vehicle according to an embodiment of the present invention may further include setting a reference value in which a signal characteristic of a wireless signal and a mounting position are linked before the step of detecting the mounting position.

The signal characteristics may include one or more of an output, an angle of arrival, and a time of arrival of the radio signal.

In the step of detecting the mounting position, the mounting position included in the reference value corresponding to the signal characteristic measured in the step of measuring the signal characteristic may be detected as the mounting position of the communication module.

In the vehicle communication module management method according to an embodiment of the present invention, before the step of detecting the mounting position, setting a reference value linking the transmission position, reception position, and signal characteristic range of a wireless signal, the signal of wireless signals from a plurality of communication modules The method may further include collecting characteristics. At this time, in the step of collecting the signal characteristics, each of the plurality of communication modules collects the signal characteristics of the wireless signals received from the other communication modules, and in the step of detecting the mounting position, the signal characteristics of the wireless signals collected in the step of collecting the signal characteristics are collected. A plurality of receiving positions may be detected based on signal characteristics and reference values, and a receiving position having the highest frequency may be detected as a mounting position of the communication module.

In the step of setting the location information, the identifier of each of the plurality of communication modules and the mounting location detected in the step of detecting the mounting location may be linked to be set as location information of the communication module.

According to the present invention, the apparatus and method for managing a communication module for a vehicle set the location information of the communication module using a wireless signal, so that there is no need to set the mounting position for each communication module in advance, thereby simplifying the mounting process. There is a simplification effect.

In addition, the communication module management apparatus and method for a vehicle does not need to set in advance the model (or type) of the communication module installed at each mounting position if it is the same model as in the prior art, thereby simplifying the manufacturing process and preventing the operator's mounting error. This has the effect of increasing the manufacturing efficiency.

In addition, the apparatus and method for managing a communication module for a vehicle set the location information of the communication module using a wireless signal to classify the communication module, thereby minimizing the cost incurred when constructing a communication network inside the vehicle compared to the conventional method of classifying through cable connection. There is an effect that can be done.

1 to 3 are views for explaining an apparatus for managing a communication module for a vehicle according to a first embodiment of the present invention.
FIG. 4 is a view for explaining the reference storage unit of FIG. 3 ;
5 and 6 are views for explaining the mounting position detection unit of FIG.
7 is a flowchart illustrating a method for managing a communication module for a vehicle according to the first embodiment of the present invention.
8 and 9 are diagrams for explaining an apparatus for managing a communication module for a vehicle according to a second embodiment of the present invention.
10 and 11 are views for explaining the reference storage unit of FIG.
Fig. 12 is a view for explaining the mounting position detecting unit of Fig. 9;
13 is a flowchart illustrating a method for managing a communication module for a vehicle according to a second embodiment of the present invention.

Hereinafter, in order to describe in detail enough that a person having ordinary knowledge in the technical field of the present invention can easily implement the technical idea of the present invention, a most preferred embodiment of the present invention will be described with reference to the accompanying drawings. . First of all, in adding reference numerals to elements of each drawing, it should be noted that the same elements are assigned the same numerals as possible even if they are indicated on different drawings. In addition, in describing the present invention, when it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present invention, a detailed description thereof will be omitted.

Referring to FIG. 1 , an apparatus 100 for managing a communication module for a vehicle according to an embodiment of the present invention sets location information of a plurality of communication modules 20 installed in a vehicle 10 . The vehicle communication module management apparatus 100 sets the location information of the communication module 20 by using the signal characteristics of the wireless signals received from the plurality of communication modules 20 . Here, the plurality of communication modules 20 that are the target of setting the location information are all modules that perform the same communication method, and the vehicle communication module management apparatus 100 is one of the plurality of communication modules 20 or is connected to the vehicle 10 . Installed ECUs, can be configured as independent devices.

The vehicle communication module management apparatus 100 stores a reference value according to the mounting position through prior learning. The vehicle communication module management apparatus 100 stores a reference value in association with the mounting position and the signal characteristics of the wireless signal. In this case, the vehicle communication module management apparatus 100 stores a reference value in association with a mounting position of at least one of an output (strength) of a radio signal, an angle of arrival, and a radio wave arrival time.

Referring to FIG. 2 , in the first embodiment of the present invention, the angle of arrival has the vehicle communication module management apparatus 100 as the origin, the driver's seat direction of the vehicle is 0 degrees and 360 degrees based on the origin, and the rear bumper of the vehicle It is assumed that the direction is 90 degrees, the direction of the passenger seat of the vehicle is 180 degrees, and the direction of the front bumper of the vehicle is 270 degrees.

The vehicle communication module management apparatus 100 compares the signal characteristics of the radio signal received from the communication module 20 with a reference value to determine the mounting position of each communication module 20 . At this time, the vehicle communication module management apparatus 100 detects a reference value corresponding to at least one signal characteristic among the output (strength) of the radio signal, the angle of arrival, and the radio wave arrival time, and sets the mounting position of the detected reference value to the communication module 20 ) as the location information.

Referring to FIG. 3 , the apparatus 100 for managing a communication module for a vehicle according to an embodiment of the present invention includes a reference storage unit 110 , a wireless signal receiving unit 120 , a signal characteristic measuring unit 130 , and a mounting position detecting unit 140 . , and a location information setting unit 150 .

The reference storage unit 110 stores a reference value serving as a reference for setting the location information of the communication module 20 . The reference value may be a value in which a signal characteristic of a wireless signal received at a mounting position is linked to a mounting position through prior learning. The reference storage unit 110 stores a reference value linking at least one signal characteristic of an output, an angle of arrival, and a radio wave arrival time of a radio signal received from the communication module 20 installed at the mounting position to the mounting position.

For example, referring to FIG. 4 , the reference storage unit 110 stores a mounting position composed of a front bumper, a side of a passenger seat, a side of a driver's seat, and a rear bumper. The reference storage unit 110 stores the reference value in association with the output of the radio signal, the angle of arrival, and the arrival time of the radio wave corresponding to each mounting position. Here, in FIG. 4 , the reference storage unit 110 has been illustrated and described as storing a reference value associated with the output, angle of arrival, and radio wave arrival time of the radio signal at the mounting position, but the output, angle of arrival and radio wave arrival are not limited thereto. It is also possible to store a reference value including only one of the times or a combination of two or more.

The wireless signal receiver 120 receives wireless signals from the plurality of communication modules 20 . The radio signal receiver 120 receives a radio signal including an identifier of the communication module 20 .

When the wireless signal receiving unit 120 is disposed at a position (central point) having the same distance as the plurality of communication modules 20 , it is difficult to distinguish the communication modules 20 , so it is arranged at an eccentric position. That is, the wireless signal receiver 120 is disposed to be spaced apart from a center point having the same distance as the plurality of communication modules 20 , and is disposed at a position having a different distance from the plurality of communication modules 20 of the vehicle 10 . .

The signal characteristic measuring unit 130 measures the signal characteristics of the radio signal received by the radio signal receiving unit 120 . The signal characteristic measuring unit 130 measures a signal characteristic including at least one of an output (strength) of a radio signal, an angle of arrival, and a radio wave arrival time.

The mounting position detecting unit 140 detects the mounting position of the communication module 20 by comparing the signal characteristics of the radio signal measured by the signal characteristics measuring unit 130 with the reference value stored in the reference storage unit 110 . The mounting position detection unit 140 compares the signal characteristics of the measured radio signal with a reference value and detects a reference value corresponding to the signal characteristics of the measured radio signal. The mounting position detecting unit 140 detects the mounting position of the communication module 20 as the mounting position of the detected reference value.

As an example, referring to FIGS. 4 and 5 , the output of the radio signal received from the communication module 20 having an identifier of 0x3798 is about -75 dBm, the angle of arrival is about 285 degrees, and the arrival time of the radio wave is about 13 ns Therefore, the mounting position corresponds to the reference value of the front bumper. Accordingly, the mounting position detecting unit 140 detects the front bumper, which is the mounting position of the reference value corresponding to each signal characteristic, as the mounting position of the communication module 20 having an identifier of 0x3798.

The output of the radio signal received from the communication module 20 with the identifier 0x4532 is approximately -40 dBm, the angle of arrival is approximately 83 degrees, and the radio wave arrival time is approximately 9 ns. . Accordingly, the mounting position detecting unit 140 detects the side of the passenger seat, which is the mounting position of the reference value corresponding to each signal characteristic, as the mounting position of the communication module 20 having an identifier of 0x4532.

The output of the radio signal received from the communication module 20 with the identifier 0x9193 is approximately -68 dBm, the angle of arrival is approximately 55 degrees, and the radio wave arrival time is approximately 18 ns. . Accordingly, the mounting position detecting unit 140 detects the driver's seat side, which is the mounting position of the reference value corresponding to each signal characteristic, as the mounting position of the communication module 20 having an identifier of 0x9193.

The output of the radio signal received from the communication module 20 with the identifier 0x1598 is approximately -54 dBm, the angle of arrival is approximately 110 degrees, and the radio wave arrival time is approximately 6 ns, so the mounting position corresponds to the reference value of the rear bumper . Accordingly, the mounting position detecting unit 140 detects the rear bumper, which is the mounting position of the reference value corresponding to each signal characteristic, as the mounting position of the communication module 20 having an identifier of 0x3798.

The position information setting unit 150 sets the mounting position detected by the mounting position detecting unit 140 as position information of the communication module 20 . The position information setting unit 150 sets the mounting position detected by the mounting position detecting unit 140 as position information of the communication module 20 in association with the identifier included in the wireless signal.

For example, referring to FIG. 6 , the location information setting unit 150 sets the location information of the communication module 20 having an identifier of 0x3798 to the front bumper, and sets the location information of the communication module 20 having an identifier of 0x4532 to the passenger seat set to the side, location information of the communication module 20 having an identifier of 0x9193 is set to the driver's seat side, and location information of the communication module 20 having an identifier of 0x1598 is set to the rear bumper. Here, the communication module 20 having an identifier of 0x5411 is the vehicle communication module management apparatus 100 according to an embodiment of the present invention.

The location information setting unit 150 transmits the set location information to each communication module 20 to provide the location information to the communication module 20 . In this case, the location information setting unit 150 transmits the location information to the communication module 20 through wired or wireless communication.

Referring to FIG. 7 , the method for managing a vehicle communication module according to an embodiment of the present invention includes the steps of setting a reference value (S110), receiving a wireless signal (S120), measuring signal characteristics (S130), and a mounting position. It includes the step of detecting (S140) and the step of setting the location information (S150).

In the step of setting the reference value ( S110 ), a reference value serving as a reference for setting the location information of the communication module 20 is set. In the step of setting the reference value ( S110 ), a reference value is set in association with the mounting position and the signal characteristics of the radio signal received at the mounting position through prior learning. In this case, in the step of setting the reference value ( S110 ), a reference value is set by linking at least one signal characteristic of the output (strength) of the radio signal according to the mounting position, the angle of arrival, and the time of arrival of radio waves to the mounting position.

In the step of receiving the radio signal ( S120 ), a radio signal is received from one of the plurality of communication modules 20 . In the step of receiving the radio signal ( S120 ), the radio signal including the identifier of the communication module 20 is received.

In step S130 of measuring the signal characteristics, the signal characteristics of the radio signal received in step S120 are measured. In step S130 of measuring signal characteristics, signal characteristics including at least one of an output (strength), angle of arrival, and radio wave arrival time of the radio signal received in step S120 are measured.

In the step of detecting the mounting position ( S140 ), the mounting position of the communication module 20 is detected by comparing the signal characteristics of the radio signal measured in step S130 with the pre-stored reference value. In the step of detecting the mounting position (S140), the signal characteristic of the radio signal measured in step S130 is compared with the reference value, and a reference value corresponding to the signal characteristic of the measured radio signal is detected. To this end, in the step of detecting the mounting position ( S140 ), a reference value having a signal characteristic including the signal characteristic of the radio signal is detected, and the mounting position of the detected reference value is detected as the mounting position of the communication module 20 . .

In the step of setting the location information (S150), the mounting position detected in step S140 is set as the location information of the communication module 20 . In the step of setting the location information (S150), the identifier included in the wireless signal received in step S120 is set as location information of the communication module 20 in association with the mounting position detected in step S140.

Thereafter, in the vehicle communication module management method, the above-described steps S120 to S150 are repeatedly performed until the location information setting of all communication modules 20 is completed. When the location information setting of all communication modules 20 is completed, the location information is transmitted to the communication module 20 through wired or wireless communication, and each communication module 20 stores the received location information. Through this, the vehicle communication module management method provides location information to the plurality of communication modules 20 .

Referring to FIG. 8 , the vehicle communication module management apparatus 200 according to the second embodiment of the present invention uses the signal characteristics of the radio signals collected from the plurality of communication modules 20 and the signal characteristics of the radio signals directly measured. Thus, location information of the plurality of communication modules 20 may be set. That is, each of the communication modules 20 measures the signal characteristics of the radio signals received from the other communication modules 20 and transmits them to the vehicle communication module management apparatus 200 . The vehicle communication module management apparatus 200 compares the signal characteristics of the wireless signal directly measured and the signal characteristics received from the plurality of communication modules 20 with a reference value to set the location information of each communication module 20 .

To this end, as shown in FIG. 9 , the vehicle communication module management device 200 includes a reference storage unit 210 , a wireless signal receiving unit 220 , a signal characteristic measuring unit 230 , a signal characteristic collecting unit 240 , It includes a mounting position detection unit 250 and a position information setting unit 260 .

The reference storage unit 210 stores a reference value serving as a reference for setting the location information of the communication module 20 . The reference storage unit 210 stores a reference value in association with a transmission location, a reception location, and a signal characteristic range. Here, the signal characteristic range includes at least one of an output range of a radio signal, an angle of arrival range, and a radio wave arrival time range.

For example, referring to FIG. 10 , the reference storage unit 210 stores an angle of arrival range according to a transmission location and a reception location as a reference value. The reference storage unit 210 uses the vehicle communication module management device 200, the front bumper, the front passenger seat, the driver's seat, and the rear bumper as the sending position and the receiving position, and linking the range of the angle of arrival according to the combination of the sending position and the receiving position. Save. Here, in FIG. 9 , the reference storage unit 210 has been illustrated and described as storing the reference value including the range of the angle of arrival, but is not limited thereto, and includes only one of the range of the output (intensity), the range of the angle of arrival, and the range of the radio wave arrival time. Alternatively, two or more combined reference values may be stored.

Referring to FIG. 11 , in the second embodiment of the present invention, the angle of arrival has each communication module 20 as the origin, the driver's seat direction of the vehicle is 0 degrees and 360 degrees based on the origin, and the rear bumper direction of the vehicle is It is assumed that 90 degrees, the direction of the passenger seat of the vehicle is 180 degrees, and the direction of the front bumper of the vehicle is 270 degrees.

The wireless signal receiver 220 receives wireless signals from the plurality of communication modules 20 . The radio signal receiver 220 receives a radio signal including an identifier of the communication module 20 .

When the wireless signal receiver 220 is disposed at a position (central point) having the same distance as the plurality of communication modules 20 , it is difficult to distinguish between the communication modules 20 , so it is disposed at an eccentric position. That is, the wireless signal receiver 220 is disposed to be spaced apart from a center point having the same distance as the plurality of communication modules 20 , and is disposed at a position having a different distance from the plurality of communication modules 20 of the vehicle 10 . .

The signal characteristic measuring unit 230 measures the signal characteristics of the radio signal received by the radio signal receiving unit 220 . The signal characteristic measuring unit 230 measures a signal characteristic including at least one of an output (strength) of a radio signal, an angle of arrival, and a radio wave arrival time.

The signal characteristic collecting unit 240 collects signal characteristics of radio signals from the plurality of communication modules 20 . The signal characteristic collecting unit 240 collects at least one signal characteristic among the output (strength), the arrival angle, and the radio wave arrival time of the radio signal received by each communication module 20 and the identifier of the communication module 20 . The signal characteristic collecting unit 240 collects signal characteristics of the wireless signal received from the other communication module 20 in the communication module 20 .

The mounting position detection unit 250 compares the signal characteristics of the radio signal measured by the reference value stored in the reference storage unit 210 with the signal characteristics measurement unit 230 and the signal characteristics collected by the signal characteristics collection unit 240 for each communication. The mounting position of the module 20 is detected.

The mounting position detection unit 250 detects one or more pairs of a reception position and a transmission position of each communication module 20 by comparing the signal characteristics and the reference value. The mounting position detecting unit 250 calculates the frequency of each receiving position from the detected pairs of the receiving position and the transmitting position. The mounting position detecting unit 250 detects the receiving position with the highest frequency as the mounting position of the communication module 20 .

As an example, referring to FIG. 12 , the vehicle communication module management device 200 is a communication model of the same model as the communication module 20 that is a location setting target, and including this, sets location information of a total of five communication modules 20 . assume that At this time, the identifier of the first communication module 20 that is the vehicle communication module management apparatus 200 is '0x5411', the identifier of the second communication module 20 is '0x3798', and the identifier of the third communication module 20 is '0x3798'. is '0x4532', the identifier of the fourth communication module 20 is '0x9193', and the identifier of the fifth communication module 20 is '0x1598'.

First, the angle of arrival of the radio signal received by the first communication module 20 from the second communication module 20 is approximately 285 degrees, and the angle of arrival of the radio signal received from the third communication module 20 is approximately 93 degrees. degree, the angle of arrival of the radio signal received from the fourth communication module 20 is approximately 55 degrees, and the angle of arrival of the radio signal received from the fifth communication module 20 is approximately 99 degrees.

This is because the receiving position of the reference value corresponds to the vehicle communication module management device 200 and the mounting position of the vehicle communication module management device 200 is already known, so the mounting position is not separately detected.

Next, the angle of arrival of the radio signal received by the second communication module 20 from the first communication module 20 is approximately 172 degrees, and the angle of arrival of the radio signal received from the third communication module 20 is approximately The angle of arrival of the radio signal received from the fourth communication module 20 is approximately 33 degrees, and the angle of arrival of the radio signal received from the fifth communication module 20 is approximately 87 degrees.

Since the angle of arrival of the radio signal received from the first communication module 20 is a value corresponding to a reference value in which the reception position is the front bumper and the transmission position is the vehicle communication module management device 200, the mounting position detection unit 250 is the reception position and "Front Bumper-Main Module", which is a pair of originating locations.

Since the angle of arrival of the radio signal received from the third communication module 20 is a value corresponding to the receiving position of the front bumper and the sending position of the passenger seat, the mounting position detecting unit 250 is a pair of the receiving position and the sending position, "front bumper- "Passenger seat" is detected.

The angle of arrival of the radio signal received from the fourth communication module 20 is a value corresponding to a reference value in which the reception position is the front bumper and the transmission position is the driver's seat, and the reception position is the passenger's seat and the transmission position is the rear bumper. 250 detects "front bumper-driver seat" and "passenger seat-rear bumper", which are pairs of the receiving position and the sending position.

The angle of arrival of the radio signal received from the fifth communication module 20 is a reference value in which the receiving position is the front bumper and the sending position is the rear bumper, the receiving position is the passenger seat and the sending position is the rear bumper, and the receiving position is the driver's seat and sending it Since the position is a value corresponding to the reference value of the main module, the mounting position detecting unit 250 detects the pairs of the receiving position and the sending position, “front bumper-rear bumper”, “passenger seat-rear bumper” and “driver’s seat-main module”. .

At this time, since the frequency of each reception position is 4 times for the front bumper, 2 times for the passenger seat, 1 time for the driver's seat, and 0 times for the rear bumper, the mounting position detecting unit 250 sets the front bumper with the highest frequency to the second communication module 20. detected by position.

Next, the angle of arrival of the radio signal received from the first communication module 20 by the third communication module 20 is approximately 278 degrees, and the angle of arrival of the radio signal received from the second communication module 20 is approximately 305 degrees, the arrival angle of the radio signal received from the fourth communication module 20 is about 10 degrees, and the arrival angle of the radio signal received from the fifth communication module 20 is about 49 degrees.

The angle of arrival of the radio signal received from the first communication module 20 corresponds to a reference value in which the reception position is the passenger seat and the transmission position is the vehicle communication module management device 200, and the reception position is the rear bumper and the transmission position is the front bumper. Therefore, the mounting position detecting unit 250 detects “passenger seat-main module” and “rear bumper-front bumper”, which are pairs of the receiving position and the sending position.

The angle of arrival of the radio signal received from the second communication module 20 is a value corresponding to the reference value in which the reception position is the passenger seat and the transmission position is the front bumper, and the reception position is the rear bumper and the transmission position is the driver's seat. 250 detects "passenger-front bumper" and "rear bumper-driver"

The angle of arrival of the radio signal received from the fourth communication module 20 corresponds to a reference value in which the reception location is the passenger's seat and the transmission location is the driver's seat, and the reference value in which the reception location is the driver's seat and the transmission location is the communication module management device 200 for the vehicle. Therefore, the mounting position detecting unit 250 detects "passenger seat-driver's seat" and "driver's seat-main module", which are pairs of the receiving position and the sending position.

The angle of arrival of the radio signal received from the fifth communication module 20 is a reference value in which the receiving position is the front bumper and the sending position is the driver's seat, the receiving position is the passenger's seat and the sending position is the rear bumper, and the receiving position is the driver's seat and the sending position is Since it is a value corresponding to the reference value of the vehicle communication module management device 200, the mounting position detection unit 250 is a pair of the receiving position and the sending position, "front bumper-driver's seat", "passenger seat-rear bumper" and "driver's seat-main module" to detect

At this time, since the frequency of each reception position is 1 for the front bumper, 4 times for the passenger seat, 2 times for the driver's seat, and 2 times for the rear bumper, the mounting position detecting unit 250 sets the passenger seat with the highest frequency to the mounting position of the third communication module 20 . detected with

Next, the angle of arrival of the radio signal received by the fourth communication module 20 from the first communication module 20 is approximately 205 degrees, and the angle of arrival of the radio signal received from the second communication module 20 is approximately The angle of arrival of the radio signal received from the third communication module 20 is about 248 degrees, the angle of arrival of the radio signal received from the third communication module 20 is about 179 degrees, and the angle of arrival of the radio signal received from the fifth communication module 20 is about 107 degrees.

The angle of arrival of the radio signal received from the first communication module 20 corresponds to a reference value in which the reception location is the passenger's seat and the transmission location is the rear bumper, and the reception location is the driver's seat and the transmission location is the vehicle communication module management device 200. value, the mounting position detecting unit 250 detects "passenger seat-rear bumper" and "driver's seat-main module", which are pairs of the receiving position and the sending position.

The angle of arrival of the radio signal received from the second communication module 20 is a reference value in which the reception location is the passenger's seat and the transmission location is the vehicle communication module management device 200, and the reception location is the driver's seat and the transmission location is the front bumper. Since is a value corresponding to the reference value of the rear bumper and the sending position is the vehicle communication module management device 200, the mounting position detecting unit 250 is a pair of the receiving position and the sending position, “passenger seat-main module”, “driver’s seat-front bumper” and "rear bumper-main module".

The angle of arrival of the radio signal received from the third communication module 20 is a reference value in which the reception location is the front bumper and the transmission location is the vehicle communication module management device 200, the reception location is the driver's seat, and the transmission location is the passenger's seat. Since is a value corresponding to the reference value of the driver's seat and the sending position is the rear bumper, the mounting position detecting unit 250 is a pair of the receiving position and the sending position: "front bumper-main module", "driver's seat-passenger seat" and "driver's seat-rear bumper" to detect

The angle of arrival of the radio signal received from the fifth communication module 20 is a value corresponding to a reference value in which the receiving position is the front bumper and the sending position is the rear bumper, and the receiving position is the driver's seat and the sending position is the rear bumper. The detection unit 250 detects "front bumper-rear bumper" and "driver's seat-rear bumper", which are pairs of the reception position and the transmission position.

At this time, since the frequency of each reception position is 2 times for the front bumper, 2 times for the passenger seat, 5 times for the driver's seat, and 1 time for the rear bumper, the mounting position detecting unit 250 sets the driver's seat with the highest frequency to the mounting position of the fourth communication module 20 . detected with

Next, the angle of arrival of the radio signal received from the first communication module 20 by the fifth communication module 20 is approximately 241 degrees, and the angle of arrival of the radio signal received from the second communication module 20 is approximately The angle of arrival of the radio signal received from the third communication module 20 is approximately 228 degrees, and the angle of arrival of the radio signal received from the fourth communication module 20 is approximately 309 degrees.

The angle of arrival of the radio signal received from the first communication module 20 is a reference value in which the reception location is the passenger's seat and the transmission location is the vehicle communication module management device 200, and the reception location is the driver's seat and the transmission location is the front bumper. Since is a value corresponding to the reference value of the rear bumper and the sending position is the vehicle communication module management device 200, the mounting position detecting unit 250 is a pair of the receiving position and the sending position, “passenger seat-main module”, “driver’s seat-front bumper” and "rear bumper-main module".

The angle of arrival of the radio signal received from the second communication module 20 is a reference value in which the reception position is the passenger seat and the transmission position is the vehicle communication module management device 200, and the reception position is the passenger seat and the transmission position is the front bumper. Since is a value corresponding to the reference value of the rear bumper and the sending position is the front bumper, the mounting position detecting unit 250 is a pair of the receiving position and the sending position: “passenger seat-main module”, “passenger seat-front bumper” and “rear bumper-front Bumper" is detected.

The angle of arrival of the radio signal received from the third communication module 20 is a reference value in which the reception location is the driver's seat and the transmission location is the front bumper, the reception location is the rear bumper, and the transmission location is the vehicle communication module management device 200. Since the position is a value corresponding to the reference value of the rear bumper and the sending position is the passenger seat, the mounting position detecting unit 250 is a pair of the receiving position and the sending position: "driver's seat-front bumper", "rear bumper-main module" and "rear bumper- "Passenger seat" is detected.

The angle of arrival of the radio signal received from the fourth communication module 20 is a value corresponding to the reference value in which the reception position is the passenger seat and the transmission position is the front bumper, and the reception position is the rear bumper and the transmission position is the driver's seat. 250 detects "passenger seat-front bumper" and "rear bumper-driver seat", which are pairs of the receiving position and the sending position.

At this time, since the frequency of each reception position is 0 times for the front bumper, 4 times for the passenger seat, 2 times for the driver's seat, and 5 times for the rear bumper, the mounting position detecting unit 250 sets the rear bumper with the highest frequency to the fifth communication module 20. detected by position.

Through this, in the mounting position detection unit 250, the second communication module 20 is mounted on the front bumper, the third communication module 20 is mounted on the passenger seat, and the fourth communication module 20 is mounted on the driver's seat, It is detected that the fifth communication module 20 is mounted on the rear bumper.

The position information setting unit 260 sets the mounting position detected by the mounting position detecting unit 250 as position information of the communication module 20 . The position information setting unit 260 sets the mounting position detected by the mounting position detecting unit 250 as position information of the communication module 20 in association with the identifier included in the wireless signal.

13 , the method for managing a communication module for a vehicle according to a second embodiment of the present invention includes the steps of setting a reference value (S210), receiving a wireless signal (S220), measuring signal characteristics (S230), It includes a step of collecting signal characteristics (S240), a step of detecting a mounting position (S250), and a step of setting the location information (S260).

In the step of setting the reference value ( S210 ), a reference value serving as a reference for setting the location information of the communication module 20 is set. In the step of setting the reference value ( S210 ), the reference value is set in association with the mounting position and the signal characteristics of the radio signal received at the mounting position through prior learning. In this case, in the step of setting the reference value ( S210 ), a reference value is set by linking at least one signal characteristic of the output (strength) of the radio signal according to the mounting position, the angle of arrival, and the time of arrival of radio waves to the mounting position.

In the step of receiving the radio signal (S220), a radio signal is received from one of the plurality of communication modules (20). In the step of receiving the radio signal ( S220 ), the radio signal including the identifier of the communication module 20 is received.

In step S230 of measuring the signal characteristics, the signal characteristics of the radio signal received in step S220 are measured. In the step (S230) of measuring the signal characteristic, the signal characteristic including at least one of the output (strength), the angle of arrival, and the radio wave arrival time of the radio signal received in the step S220 is measured.

In the step of collecting signal characteristics ( S240 ), signal characteristics of radio signals are collected from the plurality of communication modules 20 . At this time, each communication module 20 measures the signal characteristics of the radio signals received from the other communication modules 20 , and the vehicle communication module management apparatus 200 collects the signal characteristics measured by each communication module 20 . do.

In the step of detecting the mounting position ( S250 ), the mounting position of the communication module 20 is detected by comparing the pre-stored reference value with the signal characteristics of the wireless signal measured in step S230 and the signal characteristics collected in step S240 .

In the step of detecting the mounting position ( S250 ), one or more pairs of the receiving position and the sending position of each communication module 20 are detected by comparing the signal characteristics and the reference value. In the step of detecting the mounting position (S250), the frequency of each receiving position is calculated from the detected pairs of the receiving position and the sending position. In the step of detecting the mounting position ( S250 ), the receiving position having the highest frequency is detected as the mounting position of the communication module 20 .

In the step S260 of setting the location information, the mounting location detected in step S250 is set as the location information of the communication module 20 . In the step of setting the location information (S260), the identifier included in the wireless signal received in step S220 is set as the location information of the communication module 20 in association with the mounting position detected in step S250.

Thereafter, in the vehicle communication module management method, the above-described steps S240 to S260 are repeatedly performed until the location information setting of all communication modules 20 is completed. When the location information setting of all communication modules 20 is completed, the location information is transmitted to the communication module 20 through wired or wireless communication, and each communication module 20 stores the received location information. Through this, the vehicle communication module management method provides location information to the plurality of communication modules 20 .

Although the preferred embodiments according to the present invention have been described above, various modifications are possible, and those of ordinary skill in the art will have various modifications and modifications without departing from the scope of the claims of the present invention. It is understood that it can be done.

100, 200: vehicle communication module management device
110, 210: reference storage unit
120, 220: wireless signal receiver
130, 230: signal characteristic measurement unit
140 250: mounting position detection unit
150, 260: location information setting unit
240: signal characteristic collection unit

Claims (18)

a radio signal receiving unit for receiving radio signals from a plurality of communication modules installed in the vehicle;
a signal characteristic measuring unit measuring signal characteristics of the radio signals received by the radio signal receiving unit;
a mounting position detecting unit for detecting mounting positions of the plurality of communication modules by comparing the signal characteristics of the radio signals measured by the signal characteristics measuring unit with a reference value; and
and a position information setting unit configured to set the mounting position detected by the mounting position detection unit as position information of the communication module. The method of claim 1,
Communication module management apparatus for a vehicle further comprising a reference storage for storing a reference value associated with the signal characteristics of the radio signal and the mounting position. The method of claim 1,
The signal characteristic is a communication module management apparatus for a vehicle including at least one of an output of a radio signal, an angle of arrival, and a radio wave arrival time. The method of claim 1,
The communication module management device for a vehicle, wherein the wireless signal receiver is arranged to have a different distance from the plurality of communication modules in the vehicle. The method of claim 1,
The mounting position detecting unit detects a mounting position included in a reference value corresponding to the signal characteristics of the radio signal measured by the signal characteristics measuring unit as the mounting position of the communication module for a vehicle communication module management device. The method of claim 1,
Communication module management apparatus for a vehicle further comprising a reference storage unit for storing a reference value in association with the transmission position, reception position, and signal characteristic range of the radio signal. The method of claim 6,
Further comprising a signal characteristic collecting unit for collecting the signal characteristics of the wireless signal from the plurality of communication modules,
The signal characteristic collecting unit, each of the plurality of communication modules, a vehicle communication module management device for collecting the signal characteristics of the radio signals received from other communication modules. The method of claim 7,
The mounting position detection unit detects a plurality of reception positions based on the signal characteristics and reference values of the wireless signals collected by the signal characteristic collection unit, and manages the communication module for a vehicle to detect the reception position with the highest frequency as the mounting position of the communication module Device. The method of claim 1,
The location information setting unit connects the identifier of each of the plurality of communication modules and the mounting position detected by the mounting position detection unit to set the location information of the communication module as the location information of the communication module for a vehicle. In the communication module management method using the vehicle communication module management device,
Receiving a wireless signal from a plurality of communication modules installed in the vehicle;
measuring signal characteristics of the radio signals received in the step of receiving the radio signals;
detecting a mounting position of each of the plurality of communication modules by comparing the signal characteristics of the radio signals measured in the measuring the signal characteristics with a reference value; and
and setting the mounting position detected in the step of detecting the mounting position as position information of the communication module. The method of claim 10,
The vehicle communication module management method further comprising the step of setting a reference value in which the signal characteristic of the radio signal and the mounting position are linked before the step of detecting the mounting position. The method of claim 10,
The signal characteristic includes at least one of an output of a radio signal, an angle of arrival, and a radio wave arrival time. The method of claim 10,
In the detecting of the mounting position, the vehicle communication module management method for detecting the mounting position included in the reference value corresponding to the signal characteristic measured in the measuring the signal characteristic as the mounting position of the communication module. The method of claim 10,
The vehicle communication module management method further comprising the step of setting a reference value in association with the transmission position, reception position, and signal characteristic range of the radio signal before the step of detecting the mounting position. The method of claim 14,
The vehicle communication module management method further comprising the step of collecting signal characteristics of the wireless signals from the plurality of communication modules. The method of claim 15,
In the step of collecting the signal characteristics, each of the plurality of communication modules collects signal characteristics of wireless signals received from other communication modules. The method of claim 15,
In the step of detecting the mounting position, a plurality of receiving positions are detected based on the signal characteristics and reference values of the radio signals collected in the step of collecting the signal characteristics, and the receiving position with the highest frequency is detected as the mounting position of the communication module. How to manage communication module for vehicle. The method of claim 10,
In the step of setting the location information, the identification of each of the plurality of communication modules and the mounting location detected in the step of detecting the mounting location are linked to set the location information of the communication module as the location information of the communication module for a vehicle.

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