KR102111973B1 - Parking Management System Using LPR Based on LoRa Communication - Google Patents

Abstract

The present invention relates to an unmanned parking management system using a LoRa communication-based vehicle number recognition device, which includes information collected by a license plate recognition (LPR), vehicle number recognition device composed of a security-enhanced LoRa communication module. Provides an unmanned parking management system using an existing LPR by providing an unmanned parking management system including an application server that receives and stores the received and stored parking information stored in the LoRa server, and allows the user to check the application installed on the mobile terminal. It relates to an unmanned parking management system using a LoRa communication-based vehicle number recognition device that solves the installation cost of the system, communication connection, piping wiring problem, and wireless communication security problem.

Description

Park Management System Using LPR Based on LoRa Communication

The present invention relates to an unmanned parking management system using a LoRa communication-based vehicle number recognition device, which includes information collected by a license plate recognition (LPR), vehicle number recognition device composed of a security-enhanced LoRa communication module. Provides an unmanned parking management system using an existing LPR by providing an unmanned parking management system including an application server that receives and stores the received and stored parking information stored in the LoRa server, and allows the user to check the application installed on the mobile terminal. It relates to an unmanned parking management system using a LoRa communication-based vehicle number recognition device that solves the installation cost of the system, communication connection, piping wiring problem, and wireless communication security problem.

Currently, the operation of the paid parking lot is conducted by the parking manager in the form of issuing and storing parking tickets in the parking vehicle. In this case, there is a problem with the parking time, when the parking fee is settled, and when the parking time is settled and the runaway vehicle is generated and the parking manager's parking profit is embezzled. In addition, when operating for more than 12 hours, it costs about 2-3 workers, which is inefficient in terms of cost.

In the case of a small-sized parking lot, there are problems such as the absence of parking lot management and unauthorized long-term parking vehicles due to the absence of free parking lot management.

As a solution to this, the introduction of unmanned parking management system is gradually increasing. Korean Patent Registration No. 10-1764070, which is a prior art, proposes an electric vehicle charging device and a vehicle identification system (LPR) device having a vehicle number recognition function and an outdoor parking lot parking management system using the same. However, in the case of the prior art, there is a disadvantage in that the initial installation cost is high because the parking fee setter, communication device, communication line, etc. must be installed.

Accordingly, prior art Republic of Korea Patent Registration No. 10-1794806 and Republic of Korea Patent Registration No. 10-1275735 propose a car parking management system using wireless communication. In the case of the two prior arts, a security system is not applied, so intrusion or hacking from outside There is a problem that it is vulnerable to.

Republic of Korea Registered Patent Number: No. 10-1764070 Republic of Korea Registered Patent No.: 10-1794806 Republic of Korea Registered Patent No.: 10-1275735

The present invention aims to solve the problems of the prior art as described above.

Specifically, the present invention is a license plate recognition device (LPR) composed of a security-enhanced LoRa communication module, a LoRa server that receives and stores information collected by a vehicle number recognition device, and receives parking information stored in the LoRa server Provides an unmanned parking management system that includes an application server that stores and allows users to check the applications installed on the mobile terminal, thereby installing the unmanned parking system using an existing LPR, communication connection, piping wiring problems, and wireless communication security problems It aims to solve.

The technical problems to be achieved by the present invention are not limited to the above-mentioned problems, and other technical problems not mentioned can be clearly understood by a person having ordinary knowledge in the technical field to which the present invention belongs from the following description. There will be.

An unmanned parking management system using a LoRa communication-based vehicle number recognition device, comprising: a vehicle number recognition device that recognizes a number of a vehicle entering or leaving a parking lot and transmitting the recognized information to the outside using LoRa communication; An application server that provides any one or more services among parking area check and bill payment; A portable terminal in which an application for a user to access the application server is installed and executed; LoRa gateway; LoRa network server; Including, the LoRa gateway receives the data from the vehicle number recognition device, the portable terminal and transmits it to the LoRa network server, and the LoRa network server receives, stores and receives the data received from the LoRa gateway It is characterized by delivering to the server.

The vehicle number recognition device is a sensor unit for checking whether the vehicle is parked; A camera unit that recognizes a number approaching, parking, or exiting the parking space; A communication unit transmitting information collected by the sensor unit and the camera unit to the LoRa network server through the LoRa gateway; It characterized in that it comprises.

The communication unit encrypts the information collected by the sensor unit and the camera unit by AES (Advanced Encryption Standard) required in the LoRa protocol, and an encryption module for managing a key value required for AES encryption; Lora processing the encrypted information in the encryption module, a processing unit for measuring the integrity; A radio unit transmitting and receiving the LoRa gateway through a radio terminal; Including, the encryption module is characterized in that it receives the integrity measurement information from the processing unit and transmits it to the radio unit after integrity verification.

An unmanned parking management method using a LoRa communication-based vehicle number recognition device includes: a user accessing a parking application with a mobile terminal to check a parking area; Generating parking information by recognizing whether the number of the parked vehicle is parked or not in the vehicle number recognition device; Generating a LoRa packet based on the parking information generated by the vehicle number recognition device in the step; Transmitting the LoRa packet generated in the step to the LoRa gateway; Transmitting a LoRa packet to a LoRa network server; An application server receiving parking information; Updating and storing parking information by the application server; An application server calculating a parking fee; An application server transmitting parking fee information to the user's portable terminal; It includes.

The generating of parking information by recognizing the number and parking of the parked vehicle in the vehicle number recognition device includes: recognizing the vehicle number in the vehicle number recognition device when the vehicle enters the parking space; Checking whether the car is parked; Generating parking start information using the parking time of the vehicle identified as parked and the vehicle number recognized in the step; Checking whether the vehicle leaves the parking space; Generating a parking completion information by using the parking time and license plate information of the vehicle that has been checked out when the vehicle leaves the parking space; It includes.

Generating a LoRa packet based on the parking information comprises: AES encrypting the parking information; Lora processing the parking information encrypted in the step; Making an integrity measure; Verifying integrity; It consists of.

As described above, the present invention provides a license plate recognition device (LPR) composed of a security-enhanced LoRa communication module, a LoRa server that receives and stores information collected by the vehicle number recognition device, and transmits parking information stored in the LoRa server. Provides an unmanned parking management system that includes an application server that receives and stores and allows users to check the application installed on the mobile terminal, providing the installation cost of an unmanned parking system using an existing LPR, communication connection, piping wiring problems, wireless communication security It has the effect of solving the problem.

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

1 is a view showing an unmanned parking management system using a LoRa communication-based vehicle number recognition device according to an embodiment of the present invention.
2 is a block diagram showing the internal configuration of a vehicle number recognition device according to an embodiment of the present invention.
3 is a block diagram showing the internal configuration of the vehicle recognition device communication unit of FIG. 2.
4 is a flowchart illustrating an unmanned parking management method using a LoRa communication-based vehicle number recognition device according to an embodiment of the present invention.
FIG. 5 is a flow chart showing step S110 of FIG. 4 in more detail.
FIG. 6 is a flow chart showing step S120 of FIG. 4 in more detail.
7 is a view showing LoRa processing.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. For reference, the size of a component, the thickness of a line, and the like shown in the drawings referred to for explaining the present invention may be exaggerated for convenience of understanding. In addition, the terms used in the description of the present invention are defined in consideration of functions in the present invention, and thus may vary according to a user, an operator's intention, and customs. Accordingly, the definition of this term should be based on the contents of the present specification.

In addition, a preferred embodiment of the present invention, in which the object of the present invention can be concretely described, will be described with reference to the accompanying drawings, but this is for easier understanding of the present invention, and the scope of the present invention is limited by it. It is not. In addition, in describing an embodiment of the present invention, the same name and the same code are used for the same configuration, and additional description will be omitted.

The configuration shown in the embodiments and drawings described in this specification is only one of the most preferred embodiments of the present invention and does not represent all of the technical spirit of the present invention, and various equivalents that can replace them at the time of this application It should be understood that there may be and variations.

When a part of the specification "includes" a certain component, this means that other components may be further included instead of excluding other components, unless specifically stated to the contrary. In addition, terms such as "... unit" and "module" described in the specification mean a unit that processes at least one function or operation, which may be implemented in hardware or software, or a combination of hardware and software. .

LoRa communication module-based security-enhanced wireless unmanned parking system and service providing method according to the present invention applies a LoRa communication module to a wireless unmanned parking system and uses a HSM (Hardware Security Module) to operate a new or pre-installed street parking environment Reduces initial installation cost, maintenance cost, and communication cost, and can solve piping wiring problems, communication connection problems, etc.

1 is a view showing an unmanned parking management system using a LoRa communication-based vehicle number recognition device according to an embodiment of the present invention.

Referring to FIG. 1, an unmanned parking management system using a LoRa communication-based vehicle number recognition device includes a vehicle number recognition device 100, a mobile terminal 200, a vehicle 300, an antenna 500, and a LoRa gateway 600. It consists of a LoRa network server 700, a network 800, and an application server 900.

Zone 400 is a parking lot including a vehicle number recognition device 100, a mobile terminal 200, and a vehicle 300 in an unmanned parking management system using a LoRa communication-based vehicle number recognition device according to an embodiment of the present invention. It is a zonal unit. The zone 400 may be partitioned into logical areas as well as physical areas.

The vehicle number recognition device 100 is a device that recognizes a vehicle license plate, parking status, parking time, etc. and transmits it to the outside when the vehicle 300 approaches, parks, or leaves the parking space. The vehicle number recognition device 100 according to an embodiment of the present invention wirelessly exchanges data with an external server using LoRa communication, and a communication module in which Lora communication is performed includes a hardware security module (HSM) to enhance security. .

Hereinafter, the vehicle number recognition device 100 will be described in more detail with reference to FIGS. 2 to 3.

The mobile terminal 200 refers to a device in which an application for accessing an application server 900 providing a parking service is installed and executed, and becomes a smart phone, a tablet PC, and the like.

The LoRa antenna 500 is an antenna 500 for LoRa connected to the LoRa gateway 600.

The LoRa gateway 600 is a base station for LoRa, and receives data from the vehicle number recognition device 100 and the mobile terminal 200 and transmits the data to the connected LoRa network server 700. The LoRa gateway 600 decodes uplink radio packets in the air and delivers them to the network server in an unprocessed state. In the case of the downlink, it executes a transmission request from a network server without interpreting the payload.

The LoRa network server 700 stores the device profile, service profile, routing profile, and DevEUI of the terminal device, and manages the LoRa gateway 600. The general function of the LoRa network server 700 performs address verification, frame authentication and frame counter verification, response verification, data rate adaptation, etc. of the terminal device.

The network 800 means a general IP network.

The application server 900 is a server that provides an unattended parking service to a user who has installed and executed the application. Parking-related information is received and stored from the LoRa network server 700, and the parking state is updated. In addition, a service request is received from the user's mobile terminal 200 to provide a notification to the user about the parking fee and parking time. In one embodiment, the application server 900 processes all application layer payloads of connected terminal devices and provides application level services to end users. It also generates downlink payloads of all application layers for the connected end device.

The cloud parking service center 1000 is a bundle of application servers 900. One cloud parking service center 1000 has several application servers 900. In one embodiment, the cloud parking service center 1000 may exist in multiple units according to the server capacity of the application server 900, a management area, etc., and in another embodiment, one may be integrated.

2 is a block diagram showing the internal configuration of a vehicle number recognition device according to an embodiment of the present invention.

Referring to Figure 2, the vehicle number recognition device according to an embodiment of the present invention comprises a camera unit 110, a sensor unit 120, a communication unit 130.

The camera unit 110 recognizes the number of vehicles approaching, parking, or exiting the parking space. The sensor unit 120 checks whether the vehicle is parked in a parking space or not. The communication unit 130 transmits the information collected by the camera unit 110 and the sensor unit 120 to the LoRa network server 700 through the LoRa gateway 600.

3 is a block diagram showing the internal configuration of the communication unit 130 of the vehicle recognition device of FIG. 2.

Referring to FIG. 3, in one embodiment of the present invention, the communication unit 130 of the vehicle recognition device 100 is composed of an encryption module 131, a processing unit 132, and a radio unit 133.

The encryption module 131 is a hardware security module (HSM) for security of an unmanned parking management system using a vehicle identification device 100 and a vehicle number recognition device based on LoRa communication. AES (Advanced Encryption) required in the LoRa protocol Standard) Performs encryption functions and manages key values required for AES encryption.

The processing unit 132 controls the overall operation of the communication unit 130 and performs a Lora processing operation.

LoRa processing refers to a process of generating a packet in a LoRa protocol format by matching information received from the camera unit 110 and the sensor unit 120 to the LoRa protocol standard, and follows a general LoRa packet generation operation.

When the encrypted information in the encryption module 131 is processed by Lora in the processing unit 132 and the integrity is measured, the encryption module 130 receives the integrity measured information and transmits it to the radio unit 133 after integrity verification.

Integrity is to verify the integrity of the processing unit 132 code. In the encryption module 131, the processing unit code is stored by changing to a hash value.

Integrity measurement and verification works only upon system reboot.

Integrity measurement refers to the task of replacing the code of the processing unit 132 with a hash value, and integrity verification is to transmit the hash value to the encryption module 131 and compare whether it is the same as the value stored in the encryption module 131. If the values after comparison are not the same, the encryption module 131 does not operate.

The integrity-related operation is to confirm whether the code of the processing unit 132 has been changed due to hacking or a specific reason, and operates when the system is rebooted.

The radio unit 133 is a part that transmits and receives the LoRa gateway through a radio terminal.

4 is a flowchart illustrating an unmanned parking management method using a LoRa communication-based vehicle number recognition device according to an embodiment of the present invention.

Referring to Figure 4, looking at the flow of an unmanned parking system using a LoRa communication-based vehicle number recognition device according to an embodiment of the present invention, when the vehicle approaches the parking area, the number of the vehicle parked in the vehicle recognition device, parking Recognize whether or not to generate parking information (S110). The LoRa packet is generated based on the parking information (S120), and the generated LoRa packet is transmitted to the LoRa gateway (S130). The steps S110-S130 are processes performed by the vehicle number recognition device 100, and steps S110 and S120 will be described in more detail with reference to FIGS. 5 and 6.

Referring to FIG. 5, in step S110, when the vehicle enters the parking space, the vehicle number recognition device recognizes the vehicle number (S111), confirms whether the vehicle is parked (S112), and parking time of the vehicle identified as parked. , Generating parking start information using the vehicle number recognized in the above step (S113), checking whether the vehicle is out of the parking space (S114), when the vehicle leaves the parking space, the parking time of the vehicle that has been checked out, It consists of a step (S115) for generating parking complete information using the license plate information.

Referring to FIG. 6, in step S120, AES encryption of parking information (S121), Lora processing of parking information encrypted in S121 (S122), integrity measurement (S123), and integrity verification ( S124).

After transmitting the LoRa packet generated by the vehicle number recognition device to the LoRa gateway (S130), the LoRa gateway receives the LoRa packet and transmits it to the LoRa network server (S140). The LoRa network server receives and stores LoRa packets and delivers them to the application server (S150).

The LoRa packet containing the parking information is received from the application server (S160), the parking information is updated and stored (S170), the parking fee is calculated (S180), and the parking fee information is transmitted to the user's mobile terminal (S190). The step S110-S130 is a process performed by the application server.

An example of using an unmanned parking management system using a LoRa communication-based vehicle number recognition device will be described in more detail with reference to FIGS. 1 to 6.

The user executes the unattended parking service application with the mobile terminal 200 and accesses the application server 900. The parking information is obtained from the application server 900 and it is checked whether there is an empty parking zone in the zone 400. When the user parks the vehicle 300 in an empty parking area, the camera unit 110 of the vehicle number recognition device 100 recognizes the vehicle number and transmits it to the communication unit 130 and the sensor unit 120 indicates that the vehicle is parked. Check and transmit information such as parking time to the communication unit 130. The processing unit 132 of the communication unit 130 generates a LoRa packet by encrypting the encryption module 131 based on the received information. The generated packet is transmitted to the LoRa gateway 600 through the radio unit 133. The LoRa gateway 600 transmits data to the LoRa network server 700. The application server 900 that provides a wireless unmanned parking service collects parking information from the LoRa network server 700 and updates management information.

When the user leaves the parked vehicle, the sensor unit 120 recognizes whether the vehicle is out of the vehicle, and when the vehicle is checked, transmits information such as the departure time to the communication unit 130, and displays the exit information as in the case where the vehicle is parked. Based on the LoRa packet is generated and transmitted. Data transmitted to the LoRa gateway 600 and the LoRa network server 700 is delivered to the application server 900 that provides wireless unmanned parking service, and the application server 900 calculates parking information and charges. The calculated fee information is transmitted to the user's mobile terminal 200 and the user automatically calculates the fee if paid manually or in advance.

For example, by accumulating the fee details to be paid to the user information, the user proceeds to the payment by depositing to a specific account number, or in advance, the payment method (account transfer, card payment, mobile payment, etc.) is specified in the application. In this case, the parking fee can be paid in such a way that the automatically calculated parking fee is paid.

Although described above with reference to the drawings according to an embodiment of the present invention, those of ordinary skill in the art to which the present invention belongs may be able to perform various applications, modifications, and adaptations within the scope of the present invention based on the above contents will be. Accordingly, the true scope of protection of the present invention should be defined only by the appended claims.

100: license plate recognition device (License Plate Recognition)
110: camera unit
120: sensor unit
130: communication unit
131: encryption module
132: processing unit
133: radio section
200: mobile terminal
300: car
400: Zone
500: antenna
600: LoRa gateway
700: LoRa network server
800: network
900: application server
1000: Cloud Parking Service Center

Claims (6)

It consists of a sensor unit that checks whether the vehicle is parked, a camera unit that recognizes the number of access, parking, and exit to the parking space, and a communication unit that transmits information collected by the camera unit to the LoRa network server through the LoRa gateway. Recognizing the number of the vehicle entering and exiting the parking lot, and transmits the recognized information to the outside using LoRa communication to exchange data with an external server wirelessly. The communication module includes a vehicle number recognition device including a Hardware Security Module (HSM);
The user who installed and executed the application receives an unmanned parking service and a service request from the user's mobile terminal, provides the user with one or more services such as notification of parking fee, parking time, parking area confirmation, and payment of fees. An application server that receives and stores parking-related information from and updates parking status;
A portable terminal in which an application for a user to access the application server is installed and executed;
LoRa gateway;
A LoRa network server that manages the LoRa gateway and stores device profiles, service profiles, routing profiles, and DevEUIs of terminal devices;
It includes a cloud parking service center having at least one or more of the application server,
The LoRa gateway receives data from the vehicle number recognition device and the portable terminal, decodes an uplink wireless packet in the air and transmits it to the LoRa network server in an unprocessed state,
The LoRa network server receives, stores and transmits data received from the LoRa gateway to the application server,
The communication unit 130 of the vehicle number recognition device is composed of an encryption module 131, a processing unit 132, a radio unit 133,
The encryption module 131 is a hardware security module (HSM) for security of an unmanned parking management system using a vehicle number recognition device 100 and a LoRa communication-based vehicle number recognition device. Advanced Encryption Standard) performs encryption functions and manages key values required for AES encryption,
When the information encrypted in the encryption module 131 is processed by Lora in the processing unit 132, and the integrity is measured, the encryption module 130 receives the integrity measurement information and transmits it to the radio unit 133 after integrity verification,
The integrity is to verify the integrity of the code of the processing unit 132. In the encryption module 131, the processing unit code is changed to a hash value and stored.
The integrity measurement and verification works only when the system is rebooted,
Integrity measurement refers to a task of replacing the code of the processing unit 132 with a hash value, and integrity verification compares whether the hash value is the same as the value stored in the encryption module 131 by transmitting the hash value to the encryption module 131, and the hash If the value compares the value stored in the encryption module and the value is not the same, the encryption module 131 does not operate,
In the unrelated parking management system using LoRa communication-based vehicle number recognition device, characterized in that the integrity-related operation is performed when the system is rebooted by checking whether the code of the processing unit 132 has been changed due to hacking or a specific reason,
Unmanned parking management method using LoRa communication based vehicle number recognition device
Generating a parking information by recognizing whether the number of the parked vehicle is parked or not in the vehicle number recognition device (S110);
Generating a LoRa packet based on the parking information (S120);
Transmitting the LoRa packet to a LoRa gateway (S130);
In step S110, when the vehicle enters the parking space, the vehicle number recognition device recognizes the vehicle number (S111);
Checking whether the car is parked (S112);
Generating parking start information using the parking time of the vehicle identified as parked and the vehicle number recognized in the step (S113);
Checking whether the car is out of the parking space (S114);
When the car is out of the parking space, generating a parking completion information using the parking time and license plate information of the vehicle that has been checked out (S115);
The S120 step is AES encryption of parking information (S121);
Lora processing the parking information encrypted in step S121 (S122);
In step S122, the integrity measurement step (S123),
In step S123, consists of a step (S124) for integrity verification,
Receiving the LoRa packet from the LoRa gateway and transmitting it to the LoRa network server (S140);
Receiving, storing, and transmitting the LoRa packet from the LoRa network server to an application server (S150);
Receiving, by the application server, the LoRa packet containing parking information (S160);
The application server updating and storing parking information (S170);
Calculating a parking fee by the application server (S180);
An unmanned parking management system using LoRa communication-based vehicle number recognition device comprising the step (S190) of the application server transmitting parking fee information to the user's portable terminal.
delete According to claim 1,
The communication unit
An encryption module for encrypting the information collected by the sensor unit and the camera unit in AES (Advanced Encryption Standard) required in the LoRa protocol, and managing key values required for AES encryption;
Lora processing the encrypted information in the encryption module, a processing unit for measuring the integrity;
A radio unit transmitting and receiving the LoRa gateway through a radio terminal; Including,
The encryption module is an unattended parking management system using a LoRa communication-based vehicle number recognition device, characterized in that it receives the information measured by the integrity of the processing unit and verifies the integrity before transmitting it to the radio unit.

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