Simple and portable monitoring and control system for roadside base station based on V2X communication

Abstract

The present invention relates to a simple portable monitoring and control system for a roadside base station based on V2X communication. It is characterized by comprising a V2X roadside base station (20) which is connected to a C-ITS (Cooperative-Intelligent Transport Systems) center via network communication as a V2X communication device, is installed in the infrastructure (R1) around the road, can communicate with a V2X portable monitoring and control terminal (10), and transmits a response message according to a control message received from the V2X portable monitoring and control terminal (10); and a V2X portable monitoring and control terminal (10) which is a V2X communication device that communicates with the V2X roadside base station (20) based on V2X standard communication and transmits a control message to the V2X roadside base station (20). According to this, there is an advantage of being able to easily, conveniently, and quickly monitor the status of the V2X roadside base station and transmit control messages in the field.

Description

Technology Field

[0001] The present invention relates to a V2X communication-based roadside base station monitoring and control system, and in particular, to a V2X communication-based roadside base station simple portable monitoring and control system suitable for easily, conveniently, and quickly monitoring the status of a V2X roadside base station and transmitting control messages in the field using a new portable device, a V2X portable monitoring and control terminal. Background Technology

[0003] Currently, major advanced transportation countries, including South Korea, are establishing Intelligent Transport Systems (ITS) on roads where vehicles operate.

[0004] ITS refers to a transportation system that improves traffic efficiency and safety by developing and utilizing advanced transportation technologies, such as electronics, control, and communication, as well as traffic information, for means of transportation and facilities, thereby scientifying and automating the operation and management of the transportation system.

[0005] Furthermore, with the introduction of intelligent transportation systems, new information and communication technologies have undergone significant changes. It has evolved into Vehicle-to-Vehicle (V2V) systems, where vehicles exchange information using terminal devices capable of short-range wireless communication within the vehicle, and Vehicle-to-Infrastructure (V2I) systems, where vehicles and infrastructure (structures, facilities) exchange information and cooperate with each other, ultimately leading to Cooperative-Intelligent Transport Systems (C-ITS).

[0006] The core technology of such C-ITS is V2X technology. Generally, V2X (Vehicle-to-Everything) refers to wireless technology that enables direct and indirect communication between vehicles (V2V), from vehicles to infrastructure (structures) (V2I), and from vehicles to pedestrians (V2P).

[0007] Furthermore, the core equipment in V2X (Vehicle-to-Everything) communication technology is V2X communication equipment, and among this V2X communication equipment is the V2X Roadside Unit (V2X RSU).

[0008] These roadside base stations, or V2X roadside base stations, are installed along roads and receive information from vehicles or nearby or remote information provision means.

[0009] However, conventionally, in order to monitor or control roadside base stations installed along roads, access was possible by physically connecting through a field control unit depending on the installation situation.

[0010] In cases where access is obtained through physical operations like this, recent examples have emerged as a challenge that needs to be addressed, as the installation of control units is not permitted or access is prohibited due to security issues. Prior art literature

[0012] Reference 1: Published Patent Application No. 10-2022-0093321 (Publication Date: July 5, 2022) The problem to be solved

[0013] The present invention was created to solve the problems of the prior art as described above, and the purpose of the V2X communication-based roadside base station simple portable monitoring and control system according to the present invention is,

[0014] First, by using a portable V2X monitoring and control terminal to monitor and inspect the status of a V2X roadside base station or to provide control messages to the V2X roadside base station, the current status of the V2X roadside base station can be checked immediately at the location where the V2X roadside base station is situated without any separate preparation process (immediacy of inspection and verification), and also enable the transmission of control messages to the V2X roadside base station (immediacy of control over the V2X roadside base station),

[0015] Second, it enables immediate, easy, and convenient checking of safety service information (traffic-related safety message information and / or other vehicle-related safety message information) provided by V2X roadside base stations (immediacy of information transmission and reception and rapid, convenient, and immediate checking of information),

[0016] Third, since V2X roadside base stations can be managed and monitored through V2X portable monitoring and control terminals without the need for a separate management and control server or the cooperation of an administrator, it enables a reduction in labor costs and maintenance expenses (reduction of maintenance costs),

[0017] Fourth, by configuring a new device (terminal) in the OBU to monitor or control V2X roadside base stations, it is possible to monitor and control V2X roadside base stations at the OBU level, and

[0018] Fifth, the purpose is to provide a V2X communication-based roadside base station simple portable monitoring and control system suitable for making maintenance and management of V2X roadside base stations easy and convenient by eliminating the need for workers to inconveniently inspect each V2X roadside base station individually. means of solving the problem

[0020] The present invention, a V2X communication-based roadside base station simple portable monitoring and control system for achieving the above-mentioned purpose, is characterized by comprising: a V2X roadside base station that serves as V2X communication equipment, is connected to a C-ITS (Cooperative-Intelligent Transport Systems) center via network communication, is installed on roadside infrastructure, is capable of V2X communication with a V2X portable monitoring and control terminal, and transmits response messages and / or notification messages according to control messages received from the V2X portable monitoring and control terminal; and a V2X portable monitoring and control terminal that serves as V2X communication equipment, performs communication with the V2X roadside base station based on V2X standard communication, and transmits control messages to the V2X roadside base station. Effects of the invention

[0022] The V2X communication-based roadside base station simple portable monitoring and control system of the present invention, having the above-described configuration, has the following effects.

[0023] First, by using a portable V2X monitoring and control terminal to monitor and inspect the status of a V2X roadside base station or to provide control messages to the V2X roadside base station, the current status of the V2X roadside base station can be checked immediately at the very location where the V2X roadside base station is located without any separate preparation process (immediacy of inspection and verification), and also the effect of transmitting control messages to the V2X roadside base station (immediacy of control to the V2X roadside base station).

[0024] Second, it has the effect of allowing users to immediately, easily, and conveniently check safety service information (traffic-related safety message information and / or other vehicle-related safety message information) provided by V2X roadside base stations (immediacy of information transmission and reception and rapid, convenient, and immediate information verification).

[0025] Third, since V2X roadside base stations can be managed and monitored through V2X portable monitoring and control terminals without the need for a separate management and control server or the cooperation of an administrator, there is an effect of reducing labor costs and maintenance expenses required for maintenance (reduction of maintenance expenses).

[0026] Fourth, by eliminating the need for workers to inconveniently inspect V2X roadside base stations one by one, it has the effect of making maintenance and management of V2X roadside base stations easy and convenient (convenience and ease of maintenance and management). Brief explanation of the drawing

[0028] FIG. 1 is a schematic diagram of the usage state of a simple portable monitoring and control system for a roadside base station based on V2X communication according to one embodiment of the present invention. FIG. 2 is a block diagram of a simple portable monitoring and control system for a roadside base station based on V2X communication according to an embodiment of the present invention. FIG. 3 is a block diagram of a modified embodiment of a V2X portable monitoring and control terminal (10) in a V2X communication-based roadside base station simple portable monitoring and control system according to one embodiment of the present invention, where FIG. 3 (a) is an example of using a smartphone (30) or a laptop (30) when the V2X portable monitoring and control terminal (10) itself is not equipped with an input unit and a display unit, and FIG. 3 (b) is a block diagram of a case where the V2X portable monitoring and control terminal (10) itself is equipped with an input unit (15) and a display unit (16). FIG. 4 is an example of a control message data frame between a V2X portable monitoring and control terminal (10) and a V2X roadside base station (20) supporting the V2X portable monitoring and control terminal (10) in a V2X communication-based roadside base station simple portable monitoring and control system according to one embodiment of the present invention. FIG. 5 is a specific example of a data frame (40) of an information message exchanged between V2X roadside base stations (20) that support a V2X portable monitoring and control terminal (10) according to the message type, FIG. 5(a) is an example of a data frame of a monitoring control message transmitted from a V2X portable monitoring and control terminal (10) to a V2X roadside base station (20) when the message type is a monitoring message (get), FIG. 5(b) is an example of a data frame of a response message from the V2X roadside base station (20) to the monitoring control message of FIG. 5(a). FIG. 5(c) is an example of a data frame of a setting control message transmitted from a V2X portable monitoring and control terminal (10) to a V2X roadside base station (20) when the message type is a setting message (set), FIG. 5(d) is an example of a data frame of a response message from the V2X roadside base station (20) to the setting control message of FIG. 5(c). FIG. 5(e) is an example of a data frame of a control message [specifically, a notification request control message] transmitted from a V2X portable monitoring and control terminal (10) to a V2X roadside base station (20) when the message type is a notification message, and FIG. 5(f) is an example of a data frame of a response message (notification response message) transmitted to a V2X portable monitoring and control terminal (10) in the sense that the V2X roadside base station (20) [specifically, a roadside base station portable monitoring and control interlocking module (21)] has ‘confirmed’ the notification request control message of FIG. 5(e). FIG. 5(g) is an example of a data frame of a notification message of transmission type (CM_type) 'Noti' transmitted from a V2X roadside base station (20) [specifically, a roadside base station portable monitoring and control linkage module (21)] to a V2X portable monitoring and control terminal (10) when the notification request control message of FIG. 5(e) is received (of course, converted into an SNMP-based message and received), and the notification message of the requested OID is received from the SNMP-based roadside base station configuration and status information management module (23) to the roadside base station portable monitoring and control linkage module (21). Specific details for implementing the invention

[0029] The following describes a preferred embodiment of the V2X communication-based roadside base station simple portable monitoring and control system of the present invention in detail with reference to the attached drawings.

[0030] The V2X communication-based roadside base station simple portable monitoring and control system of the present invention is a V2X communication-based V2X roadside base station monitoring and control system.

[0031] The V2X communication-based roadside base station simple portable monitoring and control system of the present invention enables simple and convenient monitoring and control of a V2X roadside base station by providing a device for monitoring and controlling the V2X roadside base station as a portable device that can be carried in a vehicle or carried by an administrator.

[0032] A V2X communication-based roadside base station simple portable monitoring and control system according to one embodiment of the present invention is characterized by being configured to include a V2X roadside base station (20) and a V2X portable monitoring and control terminal (10).

[0033] The above V2X roadside base station (20) is a V2X communication device that is connected to a C-ITS (Cooperative-Intelligent Transport Systems) center (not shown) via network communication (e.g., wired or mobile communication network or wireless internet communication, etc.), is installed on infrastructure (R1) around the road (e.g., a pole for installing traffic lights), and is capable of V2X communication (including WAVE V2X communication, LTE V2X communication, and 5G NR V2X communication) with a V2X portable monitoring and control terminal (10), and is a communication terminal device that transmits a response message and / or transmits notification information (notification message) to the V2X portable monitoring and control terminal (10) according to a control message received from the V2X portable monitoring and control terminal (10).

[0034] The above V2X portable monitoring and control terminal (10) is a communication terminal equipment that performs communication with the above V2X roadside base station (20) based on V2X standard communication and transmits control messages to the above V2X roadside base station (20).

[0035] The above V2X portable monitoring and control terminal (10) can perform a process of confirming that it is equipment authenticated by a normal security procedure.

[0036] Additionally, the command proposed for monitoring and checking the status of the V2X roadside base station (20) between the above-mentioned V2X portable monitoring and control terminal (10) and the V2X roadside base station (20) can be encrypted and applied as needed.

[0037] As described above, by monitoring and checking the status of the V2X roadside base station (20), receiving notification information as needed, or providing control messages to the V2X roadside base station (20), the current status of the V2X roadside base station (20) (various current statuses such as whether it is in a fault state, operational state, or ready state) can be checked immediately at the very location where the V2X roadside base station (20) is located without any separate preparation process (immediacy of inspection and verification).

[0038] In addition, since V2X roadside base stations can be managed and monitored through V2X portable monitoring and control terminals without the need for a separate management and control server or the cooperation of an administrator, labor costs and maintenance expenses can be reduced.

[0039] In addition, since there is no need for a worker to inconveniently inspect each V2X roadside base station (20), maintenance and management of the V2X roadside base station (20) can be done easily and conveniently.

[0040] In a simple portable monitoring and control system for a roadside base station based on V2X communication according to one embodiment of the present invention, the V2X portable monitoring and control terminal (10) may be provided in an OBU (On Board Unit) mounted in a vehicle.

[0041] Therefore, in the V2X communication system, it is possible to monitor, set up, or receive notification information from the V2X roadside base station (20) at the OBU level.

[0042] Alternatively, according to an embodiment, the V2X portable monitoring and control terminal (10) may be configured as a mobile terminal connected via wired or wireless connection to an OBU mounted in a vehicle.

[0043] The above mobile terminal may be configured as, for example, any one of a mobile communication terminal capable of executing applications (e.g., a smartphone), a tablet computer, or a laptop computer.

[0044] In a simple portable monitoring and control system for a roadside base station based on V2X communication according to one embodiment of the present invention, the control message transmitted by the V2X portable monitoring and control terminal (10) to the V2X roadside base station (20) is characterized by including a monitoring message (state information request message) for monitoring the state of the V2X roadside base station (20) (obtaining state information), a notification information request message for requesting the transmission of notification information in the V2X roadside base station (20), and a setting message (setting and change request message) for setting and changing the state of the V2X roadside base station (20).

[0045] At this time, the status information of the V2X roadside base station (20) may include, for example, operating status information, standby status information, test status information, power off status information, communication channel failure status information, communication failure information, interface information, communication strength (performance) status information, etc.

[0046] And the setting message transmitted from the above V2X portable monitoring and control terminal (10) to the V2X roadside base station (20) may be a control command for setting an operation state or changing a set state, such as operation channel setting change information, firmware upgrade information, etc.

[0047] In addition, the above notification information may include, for example, notification information, V2X interface failure, time input loss, etc.

[0048] In a simple portable monitoring and control system for a roadside base station based on V2X communication according to one embodiment of the present invention, the V2X roadside base station (20) is characterized by converting a control message [monitoring message (get), setting message (set) and notification message (notification)] received from the V2X portable monitoring and control terminal (10) into an SNMP (Simple Network Management Protocol) based control message in a communication environment (e.g., C-V2X Rel 14 communication environment) in a V2X standard communication environment where TCP / IP (Transmission Control Protocol / Internet Protocol) communication is not supported, and transmitting a response message to the V2X portable monitoring and control terminal (10) according to the converted SNMP based control message.

[0049] In addition, in a V2X communication-based roadside base station simple portable monitoring and control system according to one embodiment of the present invention, the V2X roadside base station (20) does not need to convert the control message [monitoring message (get), setting message (set), and notification message (noti)] received from the V2X portable monitoring and control terminal (10) into an SNMP-based control message, in a communication environment where TCP / IP communication is supported among V2X standard communication environments, but simply transmits a response message corresponding to the received control message.

[0050] And, in a V2X communication-based roadside base station simple portable monitoring and control system according to one embodiment of the present invention, the information message (40) [strictly speaking, the data frame (40) of the information message] exchanged between the V2X portable monitoring and control terminal (10) and the V2X roadside base station (20) comprises: a transmission type (CM_type) field (41) containing information on whether it is a request message, a response message, or a notification message; an RSU_ID field (RSU_ID) (42) containing ID information (identification information) of the V2X roadside base station (20); a message type field (45) containing type information of the control message (information on which type corresponds to a monitoring message, a setting message, and a notification message); an OID field (46) containing OID information which is unique identifier information of the management information stored in the V2X roadside base station (20); and the target of the control message It is characterized by being configured to include a Value type field (47) containing Value type information of the information Value, and a Value field (48) containing Value information of the target information of the control message.

[0051] The message field information described above is an example and may be extended depending on the embodiment.

[0052] In a V2X communication-based roadside base station simple portable monitoring and control system according to one embodiment of the present invention, the V2X roadside base station (20) comprises a roadside base station portable monitoring and control interlocking module (21), an SNMP-based roadside base station setting and status information management module (23), a roadside base station management information storage unit (25), and a V2X communication module (24).

[0053] The above roadside base station portable monitoring and control interlocking module (21) converts control messages (monitoring messages, setting messages, and notification messages) received from the V2X portable monitoring and control terminal (10) into SNMP-based control messages in a communication environment where TCP / IP communication is not supported among V2X standard communication environments, transmits the converted SNMP-based control messages to the SNMP-based roadside base station setting and status information management module (23), and also receives SNMP-based response messages from the SNMP-based roadside base station setting and status information management module (23) and transmits them to the V2X portable monitoring and control terminal (10).

[0054] In addition, the above-mentioned roadside base station portable monitoring and control linkage module (21) links with the SNMP-based roadside base station setting and status information management module (23) to read, write, and manage roadside base station management information.

[0055] In a V2X standard communication environment, in a communication environment where TCP / IP communication is not supported, the SNMP-based roadside base station configuration and status information management module (23) receives an SNMP-based control message from the roadside base station portable monitoring and control linkage module (21) and transmits an SNMP-based response message to the roadside base station portable monitoring and control linkage module (21).

[0056] And, the SNMP-based roadside base station configuration and status information management module (23) receives information stored in the management information storage unit (25) of the V2X roadside base station according to the SNMP-based control message received from the roadside base station portable monitoring and control linkage module (21). Read or , controls the settings and manages the management information storage unit (25) of the V2X roadside base station.

[0057] The above-mentioned roadside base station management information storage unit (25) is configured to store configuration information necessary for the operation of the V2X roadside base station and status information of the V2X roadside base station (20) under the management and control of the SNMP-based roadside base station configuration and status information management module (23). It may be configured as a database or memory.

[0058] The above V2X communication module (24) is a communication module that communicates via V2X based on V2X communication with the above V2X portable monitoring and control terminal (10).

[0059] And, the SNMP-based roadside base station setting and status information management module (23) does not need to convert the control message [monitoring message (get), setting message (set) and notification message (notification)] received from the V2X portable monitoring and control terminal (10) into an SNMP-based control message in a communication environment where TCP / IP communication is supported among V2X standard communication environments, as bidirectional communication is possible in this case, so it transmits a response message corresponding to the received control message.

[0060] The above roadside base station portable monitoring and control interlocking module (21) may be composed of a recording medium (e.g., memory) in which an application program is stored so as to be executed by an application program, or may be composed of a recording medium (e.g., memory) in which an application program is stored so as to be executed by an application program and a processor.

[0061] Meanwhile, according to one embodiment of the present invention, the information stored in the roadside base station management information storage unit (25) of the V2X roadside base station (20) as described above is controlled, configured (information modified), and read by the SNMP-based roadside base station configuration and status information management module (23). However, according to another embodiment, the roadside base station portable monitoring and control linkage module (21) may directly configure (modify) and read the information stored in the roadside base station management information storage unit (25) without passing through the SNMP-based roadside base station configuration and status information management module (23). Furthermore, the direct access and configuration (modification, editing) functions by the roadside base station portable monitoring and control linkage module (21) may be performed by a file control program.

[0062] And in a V2X communication-based roadside base station simple portable monitoring and control system according to one embodiment of the present invention, the roadside base station portable monitoring and control linkage module (21), when the message type received from the V2X portable monitoring and control terminal (10) is a monitoring message (get) [e.g., FIG. 5 (a)], converts it into an SNMP-based monitoring message (get) and transmits it to an SNMP-based roadside base station configuration and status information management module (23); and when the SNMP-based roadside base station configuration and status information management module (23) receives an SNMP-based monitoring message (get) from the roadside base station portable monitoring and control linkage module (21), reads information (Value) corresponding to the OID field of the control monitoring message (get) from the roadside base station management information storage unit (25), transmits it to the roadside base station portable monitoring and control linkage module (21) as an SNMP-based response monitoring message [e.g., FIG. 5 (b)], and the roadside base station portable monitoring and control linkage The module (21) is characterized by transmitting (responding) a response monitoring message (get) received from the SNMP-based roadside base station configuration and status information management module (23) to the V2X portable monitoring and control terminal (10).

[0063] In addition, in a V2X communication-based roadside base station simple portable monitoring and control system according to one embodiment of the present invention, the roadside base station portable monitoring and control linkage module (21), when the message type received from the V2X portable monitoring and control terminal (10) is a setting message (set) [e.g., (c) of FIG. 5], converts it into an SNMP-based setting message (set) and transmits it to an SNMP-based roadside base station setting and status information management module (23); and when the SNMP-based roadside base station setting and status information management module (23) receives an SNMP-based setting message (set) from the roadside base station portable monitoring and control linkage module (21), it sets (or changes the setting) information corresponding to the OID field of the control setting message (set) in the roadside base station management information storage unit (25) according to the Value type and Value set (set) in the SNMP-based control setting message (set), and determines whether the setting was successful or not as an SNMP-based response setting message [e.g., FIG. 5 (d)], is transmitted to the portable monitoring and control linkage module (21), and the roadside base station portable monitoring and control linkage module (21) transmits (responds) the SNMP-based response setting message (set) received from the SNMP-based roadside base station setting and status information management module (23) to the V2X portable monitoring and control terminal (10).

[0064] And, in a V2X communication-based roadside base station simple portable monitoring and control system according to one embodiment of the present invention, the roadside base station portable monitoring and control linkage module (21) receives a message type (noti) from the V2X portable monitoring and control terminal (10) [e.g., FIG. 5(e)], that is, receives a notification request control message from the V2X portable monitoring and control terminal (10), the roadside base station portable monitoring and control linkage module (21) transmits a response message (notification response message) to the V2X portable monitoring and control terminal (10) in the sense that it has 'confirmed' the notification request control message [f.g., FIG. 5(f)], and also converts the received notification request message (notification request control message) into an SNMP-based notification request message and transmits it to an SNMP-based roadside base station configuration and status information management module (23), and the SNMP-based roadside base station configuration and status information management module (23) [confirms] the roadside base station portable monitoring and control linkage When an SNMP-based control notification request message is received from the module (21), if there is a notification corresponding to the OID field of the notification request message in the roadside base station management information storage unit (25) (when a notification occurs), the notification information is transmitted to the roadside base station portable monitoring and control linkage module (21) as an SNMP-based notification message (noti) [e.g., (g) of FIG. 5], and the roadside base station portable monitoring and control linkage module (21) transmits the SNMP-based notification message (noti) received from the SNMP-based roadside base station setting and status information management module (23) to the V2X portable monitoring and control terminal (10) (transmit notification message).

[0065] In a simple portable monitoring and control system for a roadside base station based on V2X communication according to one embodiment of the present invention, the information message (40) exchanged between the V2X portable monitoring and control terminal (10) and the V2X roadside base station (20) may include ID / PASSWD information required in the process of exchanging SNMP-based control messages and response messages between the roadside base station portable monitoring and control linkage module (21) and the SNMP-based roadside base station setting and status information management module (23), and may be encrypted or omitted if necessary.

[0066] Meanwhile, the above V2X roadside base station (20) is configured to further include a DATEX-based safety service information linkage module (22) that exchanges traffic safety service information based on DATEX.

[0067] In a simple portable monitoring and control system for a roadside base station based on V2X communication according to one embodiment of the present invention, the V2X portable monitoring and control terminal (10) is characterized by being configured to include a monitoring and control module (11) and a V2X communication module (14).

[0068] The above monitoring and control module (11) controls the transmission and reception of messages (control messages and response messages) through the V2X communication module (14), generates a monitoring message (status information request message) to the V2X roadside base station (20) to monitor the status of the V2X roadside base station (20) and controls its transmission to the V2X roadside base station (20) through the V2X communication module (14), generates a setting message (setting change request message) to set (or change) the status of the V2X roadside base station (20) and controls its transmission to the V2X roadside base station (20) through the V2X communication module (14), and generates a notification message to receive notification information from the V2X roadside base station (20) and controls its transmission to the V2X roadside base station (20) through the V2X communication module (14).

[0069] The above V2X communication module (14) is a communication module that communicates with the V2X roadside base station (20) in accordance with the V2X communication standard specifications by the transmission and reception control of the above monitoring and control module (11).

[0070] The above monitoring and control module (11) may be composed of a recording medium (e.g., memory) in which an application program is stored so as to be executed by an application program, or may be composed of a recording medium (e.g., memory) in which an application program is stored so as to be executed by an application program and a processor.

[0071] According to an embodiment, the V2X portable monitoring and control terminal (10) may further include an input setting unit (15), which is a user interface for inputting setting values ​​and commands, and a display unit (16) that displays information received from the V2X roadside base station (20) under the control of the monitoring and control module (11).

[0072] Here, the input setting unit (15) and the display unit (16) may be configured, for example, as a smartphone (30), a laptop computer (30), or a tablet computer. That is, in this case, input values ​​and setting values ​​can be entered using a smartphone (30), a laptop computer (30), or a tablet computer, and information for the user to check can be displayed.

[0073] In addition, the above V2X portable monitoring and control terminal (10) may further include an information storage module (12) in which, for example, traffic safety service information, vehicle safety service information, etc. are stored.

[0074] As described above, preferred embodiments according to the present invention have been examined. It is obvious to those skilled in the art that, in addition to the embodiments described above, the present invention may be implemented in other specific forms without altering its technical concept or essential features. Therefore, the embodiments described above should be understood as illustrative rather than restrictive.

[0075] The scope of the present invention is defined by the claims set forth below rather than by the detailed description above, and all modifications or variations derived from the meaning and scope of the claims and equivalent concepts thereof should be interpreted as being included within the scope of the present invention. Explanation of the symbols

[0077] 10: V2X Portable Monitoring and Control Terminal 11: Monitoring and control module 12: Information storage module 14: V2X communication module 15: Input section 16 : Display unit 20 : V2X roadside base station 21: Roadside Base Station Portable Monitoring and Control Interlocking Module 22 : DATEX-based Safety Service Information Integration Module 23: SNMP-based Roadside Base Station Configuration and Status Information Management Module 24 : V2X communication module 25 : Roadside Base Station Management Information Storage Unit 30 : Smartphone / Laptop Computer 40: Data frame of an information message R1 : Infrastructure

Claims

Claim 1 The V2X roadside base station (20) is configured to include V2X communication equipment, is connected to a C-ITS (Cooperative-Intelligent Transport Systems) center via network communication, is installed in roadside infrastructure (R1), can communicate with a V2X portable monitoring and control terminal (10), and transmits response messages and notification messages according to control messages received from the V2X portable monitoring and control terminal (10); and V2X communication equipment, which performs communication with the V2X roadside base station (20) based on V2X standard communication and transmits control messages to the V2X roadside base station (20). The control messages transmitted by the V2X portable monitoring and control terminal (10) to the V2X roadside base station (20) include a monitoring message for monitoring the status of the V2X roadside base station (20), a notification information request message for requesting the transmission of notification information in the V2X roadside base station (20), and the A V2X communication-based roadside base station simple portable monitoring and control system characterized by including a setting message for setting and changing the state of a V2X roadside base station (20). Claim 2 delete Claim 3 A V2X communication-based roadside base station simple portable monitoring and control system, characterized in that, in a communication environment where TCP / IP communication is not supported among V2X standard communication environments, the V2X roadside base station (20) converts a control message received from the V2X portable monitoring and control terminal (10) into an SNMP (Simple Network Management Protocol)-based control message and transmits a response message to the V2X portable monitoring and control terminal (10) according to the converted SNMP-based control message. Claim 4 A V2X communication-based roadside base station simple portable monitoring and control system, characterized in that, in claim 1, the information message (40) exchanged between the V2X portable monitoring and control terminal (10) and the V2X roadside base station (20) comprises a transmission type (CM_type) field (41) containing information on whether it is a transmission message, a response message, or a notification message, an RSU_ID field (RSU_ID) (42) containing ID information of the V2X roadside base station (20), a message type field (45) containing type information of the control message, an OID field (46) containing OID information which is unique identifier information of the object of the V2X roadside base station (20) management information, and a value field (48) containing value information which is target information of the control message. Claim 5 In claim 3, the V2X roadside base station (20), in a communication environment where TCP / IP communication is not supported among V2X standard communication environments, converts a control message received from a V2X portable monitoring and control terminal (10) into an SNMP-based control message, transmits the converted SNMP-based control message to an SNMP-based roadside base station configuration and status information management module (23), receives an SNMP-based response message from the SNMP-based roadside base station configuration and status information management module (23) and transmits it to the V2X portable monitoring and control terminal (10), and also has a roadside base station portable monitoring and control linkage module (21) that reads, writes, and manages roadside base station management information in conjunction with the SNMP-based roadside base station configuration and status information management module (23); and in a communication environment where TCP / IP communication is not supported among V2X standard communication environments, when an SNMP-based control message is received from the roadside base station portable monitoring and control linkage module (21), transmits an SNMP-based response message to the roadside base station portable monitoring and control linkage module (21). A V2X communication-based roadside base station simple portable monitoring and control system characterized by comprising: an SNMP-based roadside base station setting and status information management module (23) that manages the V2X roadside base station management information storage unit (25) and reads and sets information stored in the V2X roadside base station management information storage unit (25) according to an SNMP-based control message received from the above-mentioned roadside base station portable monitoring and control linkage module (21); a roadside base station management information storage unit (25) that stores setting information necessary for the operation of the V2X roadside base station and status information of the V2X roadside base station (20) through the management and control of the above-mentioned SNMP-based roadside base station setting and status information management module (23); and a V2X communication module (24) that communicates with the above-mentioned V2X portable monitoring and control terminal (10) based on V2X communication. Claim 6 In claim 5, the roadside base station portable monitoring and control linkage module (21), when the message type received from the V2X portable monitoring and control terminal (10) is a monitoring message (get), converts it into an SNMP-based monitoring message (get) and transmits it to the SNMP-based roadside base station configuration and status information management module (23); and when the SNMP-based roadside base station configuration and status information management module (23) receives the SNMP-based monitoring message (get) from the roadside base station portable monitoring and control linkage module (21), reads the information (Value) corresponding to the OID field of the control monitoring message (get) from the roadside base station management information storage unit (25) and transmits it to the roadside base station portable monitoring and control linkage module (21) as an SNMP-based response monitoring message; and the roadside base station portable monitoring and control linkage module (21) transmits the response monitoring message (get) received from the SNMP-based roadside base station configuration and status information management module (23) to the V2X portable monitoring and control It is transmitted to the terminal (10), and furthermore, when the message type received from the V2X portable monitoring and control terminal (10) is a setting message (set), the roadside base station portable monitoring and control linkage module (21) converts it into an SNMP-based setting message (set) and transmits it to the SNMP-based roadside base station setting and status information management module (23); and when the SNMP-based roadside base station setting and status information management module (23) receives the SNMP-based setting message (set) from the roadside base station portable monitoring and control linkage module (21), it sets the information corresponding to the OID field of the control setting message (set) in the roadside base station management information storage unit (25) according to the Value type and Value set in the SNMP-based control setting message (set).The success or failure of the configuration is transmitted to the portable monitoring and control linkage module (21) as an SNMP-based response configuration message, and the roadside base station portable monitoring and control linkage module (21) transmits the SNMP-based response configuration message (set) received from the SNMP-based roadside base station configuration and status information management module (23) to the V2X portable monitoring and control terminal (10). When the message type received from the V2X portable monitoring and control terminal (10) is a notification message (noti), the roadside base station portable monitoring and control linkage module (21) transmits a response message (notification response message) to the V2X portable monitoring and control terminal (10) to indicate that it has 'confirmed' the notification request control message, and also converts the received notification request message (notification request control message) into an SNMP-based notification request message and transmits it to the SNMP-based roadside base station configuration and status information management module (23). A V2X communication-based roadside base station portable monitoring and control system, characterized in that when the module (23) receives an SNMP-based control notification request message from the roadside base station portable monitoring and control linkage module (21), if there is a notification corresponding to the OID field of the notification request message in the roadside base station management information storage unit (25), the module (23) transmits the notification information to the roadside base station portable monitoring and control linkage module (21) as an SNMP-based notification message (noti); and the roadside base station portable monitoring and control linkage module (21) transmits the SNMP-based notification message (noti) received from the SNMP-based roadside base station setting and status information management module (23) to the V2X portable monitoring and control terminal (10).

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