KR101399734B1 - Ads-b system and ads-b information processing method - Google Patents

Abstract

An ADS-B system and method are disclosed. The ADS-B system includes a monitoring information providing unit for filtering the collected ADS-B (Automatic Dependent Surveillance-Broadcast) monitoring information and providing it to the aviation status display unit; An observation information management unit for managing observation information including weather information; A traffic information management unit for managing air traffic information including radar monitoring information; And an aviation status display unit for displaying current aviation status using the ADS-B monitoring information, the observation information, and the air traffic information.

Description

ADS-B SYSTEM AND ADS-B INFORMATION PROCESSING METHOD Technical Field [1] The present invention relates to an ADS-

The following description relates to the ADS-B system, and more particularly to an ADS-B system capable of managing or processing ADS-B information and presenting aviation and system status.

The ADS-B (Automatic Dependent Surveillance-Broadcast) means a technique for automatically broadcasting information such as the position, altitude, and speed of an aircraft. ADS-B is 'Automatic' because it does not require pilot's intervention when broadcasting, and 'Dependent' because broadcasting service depends on positioning system such as GPS and it is used for ground surveillance and aerial surveillance. In addition, data links are broadcast wirelessly to all receivers, including aircraft and terrestrial systems, thus representing 'Broadcast'.

ADS-B is used to minimize aircraft limitations (disruption of communication due to unobstructed lines) or to improve air traffic control and to prevent collisions between aircraft. ADS-B can monitor each other not only at low altitudes but also between aircraft.

The ADS-B system is equipped with an ADS-B OUT function to perform air-to-ground / ground-to-ground air surveillance by airplane and an airplane pilot to receive air traffic information through a cockpit display of traffic information ADS-B IN function. The ground system transmits the position information of the aircraft without the ADS-B OUT function to the pilot through traffic information surveillance-broadcasting (TIS-B) to perform the ADS-B IN function.

An aircraft equipped with an ADB-S can automatically and continuously transmit location information obtained from the Global Navigation Satellite System (GNSS) with other information such as altitude, direction, speed and identification data. This information can be received and read by other aircraft or used in an air traffic management system by operating a ground station network.

The development of this next-generation navigation system is required to be continuously studied to improve the efficiency, reliability, and accuracy of the system.

The ADS-B system according to an embodiment includes a monitoring information providing unit for filtering the collected ADS-B (Automatic Dependent Surveillance-Broadcast) monitoring information and providing the filtering information to the aviation status display unit; An observation information management unit for managing observation information including weather information; A traffic information management unit for managing air traffic information including radar monitoring information; And an aviation status display unit for displaying current aviation status using the ADS-B monitoring information, the observation information, and the air traffic information.

The ADS-B system according to an embodiment may further include a system status display unit for controlling the monitoring information providing unit, the observation information managing unit, the traffic information managing unit, and the aviation status displaying unit and displaying the respective system statuses .

The ADS-B information processing method includes receiving ADS-B monitoring information, observation information, and air traffic information; And displaying the current air condition using the ADS-B monitoring information, the observation information, and the air traffic information.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing an overall configuration of an ADS-B system according to an embodiment; FIG.
2 is a diagram showing a detailed configuration of a monitoring information providing unit according to an embodiment.
3 is a diagram illustrating a detailed configuration of a traffic information management unit according to an exemplary embodiment of the present invention.
FIG. 4 is a diagram illustrating a detailed configuration of an observation information management unit according to an embodiment.
5 is a diagram illustrating a detailed configuration of a system monitoring unit according to an embodiment.
6 is a flowchart illustrating an ADS-B information processing method according to an embodiment.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The specific structural or functional descriptions below are merely illustrative for purposes of illustrating embodiments of the invention and are not to be construed as limiting the scope of the invention to the embodiments described in the text. The ADS-B information processing method according to an embodiment can be performed by the ADS-B system, and the same reference numerals shown in the respective drawings denote the same members.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing an overall configuration of an ADS-B system according to an embodiment; FIG.

Referring to FIG. 1, the ADS-B system 110 may include a monitoring information providing unit 130, a traffic information managing unit 140, an observation information managing unit 150, and a system monitoring unit 120. In addition, the system monitoring unit 120 may include an aviation status indicator and a system status indicator.

The ADS-B system 110 can simultaneously support a 1090ES (1090 MHz Extended Squitter) surveillance link for commercial aircraft and a UAT (Universal Access Transceiver) surveillance link for light aircraft.

The monitoring information providing unit 130 may collect ADS-B (Automatic Dependent Surveillance-Broadcast) monitoring information using the 1090 ES monitoring link and the UAT monitoring link. The monitoring information providing unit 130 receives the ADS-B monitoring information in the ADS-B RAW format received from the 1090ES ground station 160 and the UAT ground equipment 165 and the ADS-B monitoring information in the ASTERIX (all-purpose structured eurocontrol surveillance in information exchange) CAT021 format ADS-B monitoring information.

The monitoring information providing unit 130 may transmit the stored ADS-B monitoring information to the system monitoring unit 120, the traffic information management unit 140, and the air traffic management system 175. The monitoring information providing unit 130 can send and receive monitoring information using Ethernet and UDP / TCP. The monitoring information providing unit 130 transmits / receives information to / from an external system using UDP, TCP, and FTP protocols according to a value set through Ethernet. If the default protocol is set to UDP and it is set to TCP, the TCP server or client socket can be created by the setting value. If it operates as a TCP server, it waits in the listen state. If it operates as a client, it tries to connect with the other party. The receiving port of UDP, TCP, and FTP server uses the initially set values and can be changed by the system monitoring unit 120. The monitoring information providing unit 130 sets up an FTP server for downloading a file generated by the system monitoring unit 120 at the request of the external system. The monitoring information providing unit 130 may have a transmission / reception buffer therein. When data is written to the buffer, it can be used by a unit in the system set according to the buffer, or data can be transferred to the external system.

The monitoring information providing unit 130 may transmit the reproduction data. The monitoring information providing unit 130 can receive the request for the reproduction data and the request for the reproduction file by the defined protocol for communication with the system monitoring unit 120. [ The monitoring information providing unit 130 analyzes the received command and can generate and execute a query for querying the information stored in the corresponding table of the database according to the condition. The information searched can be ASTERIX CAT021 and RAW, and ASTERIX CAT023, a ground equipment management data. In the case of the reproduced data inquiry command, the count of the reproduced data inquiry result is transmitted to the system monitoring unit 120. In the case of the reproduced file generation, the inquiry result is generated as a file divided by the set time unit, To the system monitoring unit 120.

The monitoring information providing unit 130 may convert RAW data. The monitoring information providing unit 130 can generate and execute a query for querying the RAW data stored in the database according to conditions when receiving the request for converting RAW data from the system monitoring unit 120. [ The monitoring information providing unit 130 may convert the inquiry result into the ASTERIX 021 format of the version set by the system monitoring unit 120.

The monitoring information providing unit 130 may generate a file related to the data. The monitoring information providing unit 130 may receive a command for generating a data storage file by a protocol defined for communication with the system monitoring unit 120. [ The monitoring information providing unit 130 analyzes the received command and can generate and execute a query for querying the information stored in the corresponding table of the database according to the condition. The monitoring information providing unit 130 may generate the execution result as one file and transmit the generated file name to the system monitoring unit 120 so that the execution result can be downloaded.

The monitoring information providing unit 130 may operate as an SNMP agent system in a simple network management protocol (SNMP) network. When the SET command is received from the system monitoring unit 120 operating as an SNMP manager, the monitoring information providing unit 130 recognizes the changed value and applies the changed value to the corresponding process

The monitoring information providing unit 130 may transmit a status report message. The monitoring information providing unit 130 may transmit a server status report message in the SNMP format. The status report when an event occurs can be transmitted to the manager asynchronously by generating a TRAP. The period of the status reporting of the polling method may be based on the setting of the system monitoring unit 120. [

The monitoring information providing unit 130 grasps the hardware (CPU usage rate, RAM usage rate, HDD usage rate, etc.) and the status of each unit constituting the software and manages the corresponding management information base (MIB) Can be updated. The monitoring information providing unit 130 can check the status of each process through periodic message exchange using the IPC.

The monitoring information providing unit 130 may receive a remote control command from the system monitoring unit 120 to provide a remote control function. Remote control commands can be received via SNMP's MIB object. When a data change event occurs by receiving the remote control command, the monitoring information providing unit 130 stores the setting value using the changed data and applies the setting value to the corresponding process to re-execute.

The monitoring information providing unit 130 may record the status of the active process. The monitoring information providing unit 130 may record the operation state of the process and the error state (the code in which the error occurred and the time at which the error cause was generated) as a log file. For example, the log to be stored may be generated and stored as a file name in the form of 'ADS_year_day_day_process_status', and may be maintained as a log file for a set period of time in the system monitoring unit 120 .

The monitoring information providing unit 130 can record the processing history of the active process. The monitoring information providing unit 130 can record the input / output data of the active process in a log file according to a predefined set value. For example, the setting value for saving as a log file may be all input / output data, input data, output data, error input / output data, input data error, output data error, and the number of monitoring data transmitted / received per second. For example, a log file to be stored may be created and stored as a file name of the form 'ADS_year_date_day_process_Process', and the generated log file may be stored in the system monitoring unit 120 for a predetermined period Can be maintained.

The monitoring information providing unit 130 can synchronize the operating time. The monitoring information providing unit 130 may use a synchronized UTC (universal time coordinated) time from the NTP server by activating a network time protocol (NTP) daemon.

The monitoring information providing unit 130 may distribute the stored data. The monitoring information providing unit 130 may distribute the ASTERIX CAT021 data to the traffic information management unit 140, the system monitoring unit 120, and the air traffic management system 175 according to the set version. For example, the surveillance information providing unit 130 may use 0.23, 0.26, or 1.3 as a version of the ASTERIX CAT021 type monitoring data. In addition, the monitoring information providing unit 130 may distribute the ASTERIX CAT023 data to the system monitoring unit 120. The monitoring information providing unit 130 may determine whether the data is abnormal and distribute all data or only normal data according to the set values.

The monitoring information providing unit 130 may filter the collected ADS-B monitoring information and provide the filtering information to the aviation situation display unit. The monitoring information providing unit 130 may filter the ADS-B monitoring information based on a syntax check, a semantic check, and a quality check. The surveillance information provider 130 may not distribute or distribute the surveillance data according to the set values when the surveillance data of the ASTERIX CAT021 format is subjected to the syntax and semantic inspection process and fails to pass. The monitoring information providing unit 130 may mark the damaged monitoring data as damaged monitoring data and store the data in the database. The monitoring information providing unit 130 does not distribute data having a value smaller than the set value by performing QoS inspection in addition to the syntax and semantic check for the CAT021 transmitted in the version 1.3 and can store the result in the database together with the result of the QoS inspection .

The monitoring information providing unit 130 may identify the ADS-B monitoring information in which a position jump has occurred based on the speed of the aircraft, and may provide the identified ADS-B monitoring information to the air condition monitoring unit. The surveillance information providing unit 130 may filter the location jump data using the speed of each aircraft. The data in which the position jump is generated may be distributed only to the system monitoring unit 120 and may not be transmitted to the traffic information management unit 140 or the air traffic management system 175. [ In addition, the monitoring information providing unit 130 sets and stores the location jump data in the database, and transmits the location jump information to the system monitoring unit 120.

The monitoring information providing unit 130 may filter the overlapping ADS-B monitoring information. When there are a plurality of ADS-B monitoring information for one aircraft, the monitoring information providing unit 130 may filter the ADS-B monitoring information generated first by comparing the time at which the ADS-B monitoring information is generated . The surveillance information providing unit 130 can compare the time when the data is generated using the time of the ASTRIX CAT021 field when data is received from different ground equipment for one aircraft. The monitoring information providing unit 130 may not distribute or distribute data according to the set value when the generated time is later than the currently distributed data.

The surveillance information providing unit 130 may change the version of the ADS-B surveillance information so as to be suitable for use by the aviation situation display unit and provide the same to the aviation situation presenting unit. For example, the monitoring information providing unit 130 may convert the version of the monitoring data of the ASTERIX CAT021 format to one of 0.23, 0.26, and 1.3. The monitoring information providing unit 130 may convert the 0.23 version to 0.26 when the version of the CAT021 received from the ground equipment is 0.23 and the CAT021 version to be transmitted to the air traffic management system 175 is 0.26. In addition, the monitoring information providing unit 130 can convert not only the upper version but also the lower version. The data received from the ground equipment and the version of the data transmitted to the traffic information management unit 140 and the air traffic management system 175 may be determined by the set values

The monitoring information providing unit 130 can use SNMP V2 and MIB-II. The monitoring information providing unit 130 may define additional objects in the private area to transmit data other than information provided by the MIB-II.

Surveillance information provider 130 may use version 1.2 for ASTERIX CAT 023 and ASTERIX CAT 247, which are management materials for ground equipment. The monitoring information providing unit 130 may decode the received management data of the ASTERIX CAT247 format and set the version of the ASTERIX CAT format data transmitted from the terrestrial equipment to the terrestrial equipment management table. The management data of the ASTERIX CAT023 format may include information on the ground equipment, and the monitoring information providing unit 130 may transmit the information to the system monitoring unit 120. [

The monitoring information providing unit 130 may be configured as a main / redundant type, and the main / standby server may exchange heartbeat messages to monitor the status change and error of the partner server. The monitoring information providing unit 130 can recognize the server error even when there is no response from the unit exchanging the heartbeat message for the set time. When a problem occurs in the main server system, the monitoring information providing unit 130 may stop the output of the server and transmit the status information to the spare server system and the system monitoring unit 120. [ The primary server system can switch the current state to the standby server system and operate in the recovery mode. It is possible to continue the operation to the main server by switching the transmission unit from the spare server system to the active state.

The monitoring information providing unit 130 can store ASTERIX CAT021, RAW type monitoring data and ASTERIX CAT023 management data in the corresponding table of the database. There are three versions of ASTERIX CAT021: 0.23, 0.26, and 1.3, and the management data, ASTERIX CAT023, can store version 1.2. The stored information can be applied to the database so that the storage state can be maintained for more than 30 days and used as the reproduction material, and information past the set period is deleted.

The traffic information management unit 140 stores the air traffic information received from the surveillance information providing unit 130 and the air traffic management system 175 and converts the air traffic information into the ASTERIX CAT062 format and transmits it to the system monitoring unit and the 1090ES ground equipment 160, and UAT ground equipment 165, respectively. Also, the traffic information management unit 140 may manage the air traffic information including the radar monitoring information. The traffic information management unit 140 may use version 1.13 in the process of transmitting / receiving monitoring data in ASTERIX CAT062 format.

The traffic information management unit 140 may generate a traffic information service-broadcast (TIS-B) target report. The traffic information management unit 140 generates one ASTERIX CAT062 type TIS-B target report per target 155 using the CAT062 type radar monitoring information received from the monitoring data processing unit 185 and the flight data processing unit 180 can do. The target 155 may include an aircraft, a ground object, and the like. The monitoring data processing unit 185 and the flight data processing unit 180 may obtain radar monitoring information using the radar 190. [ If the traffic information management unit 140 fails to receive the radar monitoring information from the flight data processing unit 180, the traffic information management unit 140 may generate a report using only the data transmitted from the monitoring data processing unit 185. The data item of the generated CAT 062 report is generated using only the information received from the monitoring data processing unit 185 and the flight data processing unit 180. The TIS-B target report contains information on the ground equipment for broadcasting and is used for distribution.

The traffic information management unit 140 may select the monitoring data for generating the TIS-B target report. The traffic information management unit 140 compares the target ID of the CAT021 received from the monitoring information providing unit 130 with the target ID of the CAT062 received from the monitoring data processing unit 185 and the flight data processing unit 180, The CAT021 received from the monitoring information providing unit 130 can be converted into CAT062 and transmitted to the ground equipment. The traffic information management unit 140 does not receive the CAT062 data from the flight data processing unit 180 and receives the CAT062 data only from the monitoring data processing unit 185. Since the target ID of the CAT062 data item does not exist, I can not. Therefore, in this case, the traffic information management unit 140 may transmit CAT021 received from the monitoring information providing unit 130 and CAT062 received from the monitoring data processing unit 185 to the ground equipment without comparing the sensed data.

The traffic information management unit 140 may transmit the reproduction data. The traffic information management unit 140 can receive a request command for a reproduction data and a request for a reproduction file according to a protocol defined for communication with the system monitoring unit 120. [ The traffic information management unit 140 analyzes the received command and can generate and execute a query for querying the information stored in the corresponding table of the database according to the condition. The inquired information may be ASTERIX CAT021, ASTERIX CAT062, and ASTERIX CAT022, which are surveillance data. The traffic information management unit 140 transmits the inquiry result count of the reproduced data to the system monitoring unit 120 when receiving the inquiry command of the reproduced data, and when receiving the generation command of the reproduced file, And transmits the name of the generated file to the system monitoring unit 120. [0050]

The traffic information management unit 140 may convert the ASTERIX CAT021 formatted surveillance data SIC information received from the surveillance information providing unit 130 into ASTERIX CAT062 and transmit the same to the ground equipment set up. At this time, the terrestrial equipment shall transmit to the 1090ES monitoring link, another monitoring link not received among the UAT monitoring link. The traffic information management unit 140 may use a table set up for selecting the ground equipment according to the SIC / SAC information to perform automatic dependent surveillance re-broadcast (ADS-R).

The traffic information management unit 140 manages the system monitoring unit 120 for the aviation situation display and the corresponding 1090ES ground equipment 160 and UAT ground equipment 165 for the TIS-B service and the ADS-R service in the form of ASTERIX CAT062 You can distribute ASTERIX CAT022 formatted management messages to 1090ES Ground Equipment (160) and UAT Ground Equipment (165) for transmission of surveillance data and management of ground equipment. In addition, the traffic information management unit 140 can distribute the ASTERIX CAT062 format monitoring data and the ASTERIX CAT022 format management data to be stored in the database.

If the Mandatory field of the received ASTERIX CAT062 format monitoring data does not exist, the allowable range is exceeded, the optional field exceeds the allowable range, the traffic information management unit (140) You may not transmit and distribute data. The traffic information management unit 140 may store the data together with the validity information of the data in the database.

The traffic information management unit 140 may merge the radar monitoring information for the target 155 received from the monitoring data processing unit 185 and the flight data processing unit 180 using the Track Number included in the ASTERIX CAT 062. [ The traffic information management unit 140 does not merge the surveillance data received in a state in which the Track Number is not included and can store the data in the database without converting the data into the TIS-B target report.

The traffic information management unit 140 may store the ASTERIX CAT062 format monitoring data, the ASTERIX CAT021 format monitoring data, and the ASTERIX CAT022 format management data in the corresponding tables of the database. For example, the version of ASTERIX CAT062 that is stored is 1.13, the version of ASTERIX CAT021 is 0.23, 0.26, 1.3, and the version of ASTERIX CAT022 is 0.2. The stored information can be maintained for more than 30 days and used as a reproduction material, and the information past the set period can be applied to the database.

The observation information management unit 150 stores the data received from the observation information providing unit 170 (FIS-B PROVIDER) and transmits the stored data to the FIS-B (flight information services broadcast) in APDU (application protocol data unit) Product to the system monitoring unit 120 and the UAT terrestrial equipment 165, respectively.

The observation information management unit 150 can generate the FIS-B product. The observation information management unit 150 can generate the FIS-B Product by attaching the APDU header to the received observation information. The APDU header may include information such as an identifier, a FIS-B product category, and a time.

The observation information management unit 150 may transmit the reproduction data. The observation information management unit 150 may receive the request for the reproduction data and the reproduction file by the defined protocol for communication with the system monitoring unit 120. [ The observation information management unit 150 analyzes the received command and can generate and execute a query for querying the information stored in the corresponding table of the database according to the condition. The inquired information may be FIS-B Product. When receiving an inquiry command for a reproduced data, the observation information management unit 150 transmits the inquiry result count of the reproduced data to the system monitoring unit 120. When receiving the generation command of the reproduced file, And transmits the name of the generated file to the system monitoring unit 120. [0050]

The observation information management unit 150 can generate a file of the data. The observation information management unit 150 may receive a command for generating a data storage file according to a protocol defined for communication with the system monitoring unit 120. [ The observation information management unit 150 analyzes the received command and can generate and execute a query for querying the information stored in the corresponding table of the database according to the condition. The observation information management unit 150 may generate the execution result as one file, and may transmit the generated file name to the system monitoring unit 120 so that the execution result can be downloaded.

The observation information management unit 150 can manage the observation information including the weather information. Observation information includes metering, aviation routine weather reports, terminal aerodrome forecasts (TAF), significant meteorological advisory (SIGMET), low-altitude weather meteorological information (AIRMET, airmen's meteorological indormation) Special surface observation (SPECI), and notice to airmen (NOTAM). The observation information management unit 150 may additionally receive information newly provided by the observation information providing unit 170. [

The observation information management unit 150 may store the FIS-B Product in a corresponding table of the database. And, the stored information can be used as the reproduction data by keeping the storage state for 30 days or longer, and the information past the set period can be applied to the database.

The system monitoring unit 120 may receive and display data from the monitoring information providing unit 130, the traffic information managing unit 140 and the observation information managing unit 150. The monitoring information providing unit 130, the traffic information managing unit 140, the observation information management unit 150, the 1090ES ground equipment 160, and the UAT ground equipment 165, as shown in FIG. The system monitoring unit 120 analyzes the ADS-B monitoring information, the observation information, and the air traffic information received from the monitoring information providing unit 130, the traffic information managing unit 140, and the observation information managing unit 150, The situation can be demonstrated.

The system monitoring unit 120 can display the current air condition using the ASTERIX CAT021 type monitoring data received from the monitoring information providing unit 130 and the ASTERIX CAT062 type monitoring data received from the traffic information managing unit 140 have. Also, the system monitoring unit 120 can display weather information, an entry prohibited area, and the like on the map based on the observation information.

A target 155 such as an aircraft or the like may be represented by a symbol on the screen. The symbol of the target 155 may be displayed with a heading vector, a history, and a halo, and the size of the heading vector, the number of histories, and the size of the halo may be changed. Each target 155 symbol may be displayed with a label indicating the information of the target 155, the target 155 and the label may be connected by a line, and the label may be freely moved within the map screen.

If no monitoring data for the target 155 being received is received, the target 155 may be faded out over time without being immediately removed from the screen. The time at which the target 155 disappears can be changed. Traffic information can be displayed in layers on the map.

The system monitoring unit 120 can display the route, the terrain, the airport, the river, the sea, and the obstacle loaded in the map in a separate layer on the map. Items belonging to one item can be included in one layer. The color and thickness of lines representing routes, terrain, airports, rivers, oceans and obstacles can be changed in the map file.

On the map, the 1090ES ground equipment 160 and the UAT ground equipment 165 can be displayed together. If each ground equipment is selected, the service range of the ground equipment can be displayed in a circle form. The color and thickness of the circle indicating the service range of the ground equipment can be changed in the map file.

The system monitoring unit 120 may determine whether the aircraft has entered the prohibited entry zone and whether the distance between the aircraft is within a predetermined range and may display a warning message according to the determination result.

The system monitoring unit 120 may change the label of the target 155 to yellow and warn the user through one warning sound when the aircraft and ground go into the entry prohibited area designated by the user. The system monitoring unit 120 may output the ICAO address or the target 155 ID of the target 155 that has entered the prohibited area in the lower status bar and an entry prohibited zone entry warning message.

In addition, the system monitoring unit 120 examines I021 / 200 among the fields of the received monitoring data of the ASTERIX CAT021 format and changes the label of the target 155 to orange when the aircraft emergency is specified, The user can be warned through a warning sound. The system monitoring unit 120 can output the ICAO address or the target 155 ID of the target 155 in which an emergency occurs in the lower status bar and the type of the emergency situation.

When the distance between the aircraft and the aircraft or the distance between the aircraft and the ground is narrowed below a specific value and the altitude is within the range of a specific value, the system monitoring unit 120 monitors the positions of the two targets 155 To red, and warns the user through three beeps. The distance and altitude for collision warning detection can be selected by the user. The system monitoring unit 120 may output a collision warning message and an ICAO address or target ID of two targets 155 that are likely to collide with the lower status bar.

The system monitoring unit 120 can request the reproduction data. The system monitoring unit 120 may transmit the ASTERIX CAT021 version 0.23, 0.26, 1.3, ASTERIX CAT023 version 1.2, RAW playback command to the monitoring information providing unit 130 for reproducing the data. The system monitoring unit 120 may transmit the FIS-B Product reproduction command to the ASTERIX CAT062 version 1.13, the ASTERIX CAT022 version 0.2, and the observation information management unit 150 to the traffic information management unit 140. [ The playback command may include the playback start and end times, the type of playback data, the number of playback data, and the like.

The system monitoring unit 120 can display the reproduction data. The system monitoring unit 120 receives the playback data from the monitoring information providing unit 130, the traffic information management unit 140 and the observation information management unit 150 and stores the received playback data in a buffer. Can be reproduced. Depending on the user's setup, it is possible to perform double speed playback and display by ground equipment. The color and thickness of the line representing the size and type of the symbol, the route, the terrain, the airport, the river, the sea and the obstacle may be based on the current aviation situation display option when reproducing the reproduction material.

The system monitoring unit 120 can display the details of the message. When the user activates the detail display option, the system monitoring unit 120 displays the ASTERIX CAT021 surveillance data of the target 155 or the ASTERIX CAT062 surveillance data of the target 155, The detail field values of the FIS-B Product can be displayed in the detail display window.

The system monitoring unit 120 configures the service ranges of the ASTERIX CAT021 target, ASTERIX CAT062 target, route, terrain, airport, river, sea, obstacle, FIS-B product, Can be displayed on. When the ASTERIX CAT021 target or the ASTERIX CAT062 target is displayed, the system monitoring unit 120 classifies the surveillance data received from the surveillance information providing unit 130 or the traffic information managing unit 140 according to each terrestrial equipment, Only the target 155 that is received at the destination can be displayed. In addition, the system monitoring unit 120 may selectively display only the target 155 that provides an accuracy higher than a certain level according to the positional accuracy of the target 155.

The system monitoring unit 120 may provide user convenience functions such as clock, screen enlargement / reduction, screen movement, distance calculation, screen initialization, deletion of all targets 155, latitude and longitude grid, compass, and mouse position display. The clock is displayed in the lower status bar, the latitude and longitude grid can be displayed as a grid on the map, and the compass can be displayed as a circle on the map edge. Screen scaling can be provided through the movement of the mouse wheel, and distance calculations can be provided via keystrokes and two point clicks. You can set the on / off settings in the menu in relation to the display of the clock, latitude and longitude grid, compass, and mouse position.

The system monitoring unit 120 can identify the position of the aircraft based on the ADS-B monitoring information or the air traffic information, and can display the position of the identified aircraft by combining or overlaying the route information and the terrain information.

The system monitoring unit 120 controls the monitoring information providing unit 130, the observation information providing unit 170, and the system monitoring unit 120, and can display the respective system states.

The system monitoring unit 120 monitors the state of the monitoring information providing unit 130, the traffic information managing unit 140, the observation information managing unit 150, the 1090ES ground equipment 160, and the UAT ground equipment 165, The traffic information management unit 140, the observation information management unit 150, the 1090ES ground equipment 160, and the UAT ground equipment 165 in a polling, trap, and request manner Lt; / RTI > In addition, the system monitoring unit 120 can receive operational status and statistical information of the 1090ES ground equipment 160 and the UAT ground equipment 165 using the management data of the ASTERIX CAT023 format.

The system monitoring unit 120 includes a control menu for controlling the subsystem 130, a control menu for the traffic information manager 140, a control menu for the observation information manager 150, a control menu for the 1090ES ground equipment 160, UAT ground equipment 165 control menu. It is possible to control each device by using the equipment unique number in each menu. The changed contents can be reflected in the SNMP MIB object and the trap message for the changed MIB object can be transmitted. The system monitoring unit 120 provides hardware status setting, network setting, data sending / receiving setting, data filtering setting, and log setting function in the case of the monitoring information providing unit 130, the traffic information managing unit 140 and the observation information managing unit 150 , And can provide hardware status setting, network setting, output data setting, receiving data setting, self check setting, GPS setting, log setting function for 1090ES ground equipment (160) and UAT ground equipment (165).

The system monitoring unit 120 can display the state of the system and warn the user of the abnormality of the system. The system monitoring unit 120 inspects the MIB object of the received SNMP message and provides the monitoring information providing unit 130, the traffic information management unit 140, the observation information management unit 150, the 1090ES ground equipment 160, the UAT ground equipment 165 can be normally operated. The system monitoring unit 120 receives a trap message indicating that each object exceeds the allowable range or notifies a malfunction state as a subsystem failure, a subsystem blocking state entry trap message, or a case where there is no polling response more than a specified number of times, It can be judged as a failure of the system. In addition, the system monitoring unit 120 can detect the abnormalities of the subsystems or failures of the subsystems when an abnormality of the ground equipment is reported by detecting the I023 / 100 and I023 / 110 field values of the ASTERIX CAT023 type management data .

When an abnormality occurs in the monitoring information providing unit 130, the traffic information management unit 140, the observation information management unit 150, the 1090ES ground equipment 160, and the UAT ground equipment 165, The user can be warned by changing the color.

The system monitoring unit 120 may be configured such that when the user selects the menu of the monitoring information providing unit 130, the traffic information managing unit 140, the observation information managing unit 150, the 1090ES terrestrial equipment 160, and the UAT terrestrial equipment 165, The specific status of each subsystem can be displayed. In the case of the monitoring information providing unit 130, the traffic information managing unit 140 and the observation information managing unit 150, the system monitoring unit 120 displays hardware status, network settings, data transmission / reception settings, data filtering settings, and log settings , 1090ES ground equipment (160), UAT ground equipment (165), hardware status setting, network setting, output data setting, receiving data setting, self check setting, GPS setting and log setting can be displayed.

The system monitoring unit 120 monitors the abnormalities or failures of the monitoring information providing unit 130, the traffic information managing unit 140, the observation information managing unit 150, the 1090ES ground equipment 160, and the UAT ground equipment 165 You can write it to a log file. The log file can include time, subsystem name, history (SNMP object value exceeded, SNMP trap message receipt, ASTERIX CAT023 field detection, etc.), and the log file can be stored for 30 days. When the system setting is changed by the user, the system monitoring unit 120 may record the time, the logged in user, and the change history in a log file, and the log file may be stored for 30 days.

The system monitoring unit 120 monitors the equipment network setting, the name, the operation mode, the location, the transmission destination setting, the connection setting of the system monitoring unit, the monitoring information providing unit 130, the traffic information managing unit 140, Output data setting, data storage setting, filtering setting and 1090ES ground equipment (160), unique number of UAT ground equipment (165), equipment network setting, name, operation mode, location, service setting, transmission destination setting, You can create system configuration information such as settings and output data settings in a table and store them in a file. The system monitoring unit 120 includes a subsystem in which setting is changed among the monitoring information providing unit 130, the traffic information managing unit 140, the observation information managing unit 150, the 1090ES terrestrial equipment 160, and the UAT terrestrial equipment 165 The user can inform the monitoring information providing unit 130, the traffic information managing unit 140, the observation information managing unit 150, the 1090ES ground equipment 160 and the UAT ground equipment 165 of the changes of the subsystem through the SNMP .

The system monitoring unit 120 may save a job (setting change, reboot) performed by the user on the ADS-B system 110 as a file. The logged in user, time, and execution history are stored in a file, and execution history to be stored can be based on the administrator's selection.

The system monitoring unit 120 can be synchronized with the UTC using the NTP service.

The system monitoring unit 120 may provide a menu for managing the ID and password to manage the authority of the user. When the ADS-B system 110 is started, the system monitoring unit 120 requests the user to log in, and can identify the administrator and the user using the ID. The system monitoring unit 120 may activate or deactivate a menu of a graphical user interface (GUI) according to a user's authority, encrypt the user ID and password, and store the encrypted file as a file.

2 is a diagram showing a detailed configuration of a monitoring information providing unit according to an embodiment.

Referring to FIG. 2, the monitoring information providing unit 210 may include an interface unit 220, a monitoring information processing unit 230, a monitoring information storage unit 240, and a server management unit 250.

The interface unit 220 can receive monitoring data and management data from the ground equipment. The interface unit 220 receives the monitoring data of the ASTERIX CAT021 format, the monitoring data of the RAW format, the management data of the ASTERIX CAT023 format, and the management data of the ASTERIX CAT247 format received from the ground equipment, Unit. For example, the concrete operation for performing this is as follows.

(1) When the interface unit 220 is activated, initialization proceeds.

(2) After initialization, create a TCP server socket and a UDP socket to receive data from the ground equipment.

(3) When ASTERIX CAT021 type monitoring data, RAW type monitoring data, ASTERIX CAT023 type ground equipment management data, and ASTERIX CAT247 type ASTERIX version management data are received from the ground equipment through the created socket, receive buffer).

(4) the status information of the unit periodically to the server management unit 250.

The interface unit 220 can transmit the monitoring data of the ASTERIX CAT021 format, the information related to the position jump, and the management data of the ASTERIX CAT023 format, received by the monitoring information providing unit 210 and subjected to the data validation process. In addition, the interface unit 220 can receive the inquiry of the reproduction data, the request of the reproduction file, and the generation command of the data storage file from the system monitoring unit and can transmit the result to the corresponding unit, and the result of the received command can be transmitted to the system monitoring unit have. For example, the concrete operation for performing this is as follows.

(1) When the interface unit 220 is activated, initialization proceeds.

(2) After initialization, generate TCP server socket and UDP socket for transmission of the present data, and create TCP server socket and UDP socket for sending and receiving commands and other data. And executes a file transfer FTP server so that the file generated by the monitoring information storage unit 240 can be downloaded.

(3) The inquiry of playback data received from the system monitoring section, the request of the playback file, and the generation command of the data storage file are received through a socket for transmission of commands and other data, and the received command is transmitted to the monitoring command buffer Request Buffer).

(4) Data recorded in Monitoring CAT021 Send Buffer and Monitoring CAT023 Send Buffer are transmitted to the system monitoring section using the present data socket.

(5) Query of playback data of monitoring command response buffer ACK (acknowledge), request ACK of playback file, generation ACK of data storage file are transmitted to the system monitoring unit through a socket for sending and receiving commands and other data.

(6) Monitoring PosJump Buffer position jump information is transmitted to system monitoring section through socket for sending and receiving command and other data.

(7) the status information of the unit periodically to the server management unit 250.

(8) When the control command received by the server management unit 250 is a transmission interruption, data transmission through the socket is not performed, and data transmission is performed again when the control command is transmission open.

The interface unit 220 may transmit the monitoring data of the ASTERIX CAT021 format received by the monitoring information providing unit 210 and verifying the validity of the data to the traffic information management unit for the ADS-R service. For example, the concrete operation for performing this is as follows.

(1) When the interface unit 220 is activated, initialization proceeds. In initialization, the IP address and port of the main traffic information management unit and the preliminary traffic information management unit are set.

(2) After the initialization, TCP client socket and UDP socket are created for main server and backup server to transmit ASTERIX CAT021 format monitoring data.

(3) Traffic Information Service-Broadcast (TIS-B) Transmits the ASTERIX CAT021 formatted monitoring data recorded in the Send Buffer to the main traffic information management unit and the preliminary traffic information management unit using the selected protocol.

(4) the status information of the unit periodically to the server management unit 250.

(5) If the control command received by the server management unit 250 is a transmission interruption, data transmission through the socket is not performed, and data transmission is performed again when the control command is transmission open.

In addition, the interface unit 220 may transmit the monitoring data of ASTERIX CAT021 format received by the monitoring information providing unit 210 and verifying the validity of the data to the air traffic management system for service in the air traffic management system. For example, the concrete operation for performing this is as follows.

(1) When the interface unit 220 is activated, initialization proceeds. In initialization, set the IP address and port number of the air traffic management system.

(2) After initialization, create TCP Client Socket and UDP Socket for transmission of ASTERIX CAT021 format monitoring data.

(3) ASTERIX CAT021 type monitoring data recorded in the air traffic management system Send Buffer is transmitted to the air traffic management system using the selected protocol.

(4) the status information of the unit periodically to the server management unit 250.

(5) If the control command received by the server management unit 250 is a transmission interruption, data transmission through the socket is not performed, and data transmission is performed again when the control command is transmission open.

The interface unit 220 can transmit and receive heartbeats between the main server and the standby server for redundancy of the monitoring information providing unit 210. [ For example, the concrete operation for performing this is as follows.

(1) When the interface unit 220 is activated, initialization proceeds. In the initialization, set the IP address and port number of the server system to be duplicated.

(2) After the initialization, UDP socket is created for heartbeat transmission and reception.

(3) If a heartbeat is received from the redundant server, record it in the Heart beat Receive Buffer.

(4) Heartbeat Sends the heartbeat to the redundancy server if there is a heartbeat recorded in the Send Buffer.

(5) unit status information to the server management unit 250 periodically.

(6) If the control command received by the server management unit 250 is a transmission interruption, data transmission through the socket is not performed, and data transmission is performed again when the control command is transmission open.

The monitoring information processing unit 230 performs a syntax check and a semantic check on the ASTERIX CAT021 type monitoring data and the ASTERIX CAT023 type management data received from the ground equipment and verifies the QoS of the monitoring data, Can be performed. The monitoring information processing unit 230 may distribute surveillance data to the system monitoring unit, the traffic information management unit, and the air traffic management system after validating the surveillance data and store the data in a database. In addition, the monitoring information processing unit 230 can perform version management of the ASTERIX CAT format data used in the ground equipment using the management data of the ASTERIX CAT247 format. For example, the concrete operation for performing this is as follows.

(1) When the monitoring information processing unit 230 is activated, initialization is performed. Check the ASTERIX CAT021, ASTERIX CAT023, and ASTERIX CAT247 version information set in the initialization.

(2) After initialization, check the data type of the monitoring data and management data recorded in the receiver buffer of the ground equipment.

(3) In the case of RAW-type monitoring data, it is recorded in the database recording buffer, and the monitoring data to be stored in the monitoring information storage unit 240 is transmitted.

(4) For ASTERIX version control data of ASTERIX CAT247 format, perform syntax check and semantic check to validate data. In case of management data that does not have any abnormality in the performance, it is decoded to identify the ASTERIX version to be processed by the ground equipment and stores the content in the ground equipment information table.

(5) In case of ASTERIX CAT023 type ground equipment management data, syntax validation and semantic inspection are performed to validate the data. In case of the management data which is not abnormal, the management data is recorded in the database recording buffer and Monitoring CAT023 Send Buffer, and the management data is transmitted to the monitoring information storage unit 240 and the interface unit 220. If it is classified as damaged management data in the execution result, it is recorded in the database recording buffer together with the damage information. Then, it determines whether it is recorded in Monitoring CAT023 Send Buffer according to the setting value and performs it.

(6) In case of surveillance data of ASTERIX CAT021 format, first validate data validity by performing syntax check and semantic check. In case of damaged monitoring data, it is recorded in the database recording buffer together with the damage information, and it is decided whether or not to distribute by the setting value.

(7) When surveillance data arrives from various ground equipment for one aircraft, redundant data or filtering is performed. In the case of redundant data, use the time of day in the data items of ASTERIX CAT021 to check whether it is the most recently created data. If it is not the most recently created data, it is recorded in the database write buffer together with the redundant information, and it is decided whether or not to distribute according to the set value.

(8) When QoS check should be performed, QoS check is performed only when the version of surveillance data without abnormality after data verification is 1.3. The QoS verification is performed by comparing the quality indicators. When the QoS indicator is smaller than the set value, the QoS indicator is recorded in the database recording buffer together with the QoS inspection information, and the distribution is not performed.

(9) When the position jump inspection is to be performed, the distance is calculated, and if the data exceeds the calculated value, the position jump is recognized. In the case of position jump, it is recorded in the database recording buffer together with the position jump information, recorded in the Monitoring CAT021 Send Buffer, and transmitted to the system monitoring unit. Also, the position jump information is recorded in the Monitoring PosJump Send Buffer and transmitted to the system monitoring unit.

(10) All surveillance surveillance data shall be distributed.

(11) The distribution of surveillance data shall be recorded in the Monitoring CAT021 Send Buffer and the TIS-B CAT021 Send Buffer, and if the version of the surveillance data transmitted in the ASTERIX CAT021 format differs from the version transmitted to the ATC, And record it in the air traffic management system Send Buffer.

(12) unit status information periodically to the server management unit (250).

The monitoring information storage unit 240 may store monitoring data and management data received from the ground equipment. The surveillance information storage unit 240 can store the RAW-type surveillance data received from the ground equipment in a database after being buffered. The surveillance information storage unit 240 can collect surveillance data of ASTERIX CAT021 format and ASTERIX CAT023 format management data, Information can be buffered and stored in a database. For example, the concrete operation for performing this is as follows.

(1) Initialization is performed when the monitoring information storage unit 240 is activated. In initialization, connect to the database using the database ID and password, and set the Bulk Insert timer.

(2) After initialization, check the data type in the database write buffer.

(3) The ASTERIX CAT021 format monitoring data including the data verification information is recorded in the CAT021 database buffer.

(4) Record ASTERIX CAT023 format monitoring data including data verification information in CAT023 database buffer.

(5) RAW type monitoring data is written to the RAW database buffer with Bulk Insert.

(6) When the Bulk Insert timer becomes 0, the ASTERIX CAT021 format monitoring data and data verification information stored in the CAT021 database buffer are stored in the TB_ASTERIX_21 table as a Bulk Insert.

(7) When Bulk Insert timer becomes 0, ASTERIX CAT023 type management data and data verification information stored in CAT023 database buffer are stored in TB_ASTERIX_23 table by Bulk Insert.

(8) When the Bulk Insert timer becomes 0, the RAW type monitoring data stored in the RAW database buffer is stored in the TB_ASTERIX_RAW table.

(9) Set the Bulk Insert timer after executing Bulk insert.

And transmits the status information of the unit 10 to the server management unit 250 periodically.

In addition, the monitoring information storage unit 240 can reproduce the monitoring data and the management data. The supervisory information storage unit 240 may receive an inquiry command for reproduction data, a request for a reproduction file, and a command for generating a data storage file, and may decode each command to generate a query satisfying the condition. The monitoring information storage unit 240 executes the generated query to inquire ASTERIX CAT021 type monitoring data, RAW type monitoring data, ASTERIX CAT023 type management data stored in the database, and transmits the inquiry result according to the query to the system monitoring unit have. For example, the concrete operation for performing this is as follows.

(1) Initialization is performed when the monitoring information storage unit 240 is activated. Initialization establishes a connection to the database using the ID and Password of the database.

(2) After initialization, check the command type in Monitoring Command Request Buffer.

(3) When the command type is the inquiry of the reproduction data, the command is parsed and a query for inquiring the count of the corresponding data on the condition of the kind of the requested data, the inquiry period (start time, end time) And executes it. Generates a replay data inquiry ACK including the query result, records it in the Monitoring Command Response Buffer, and transmits it to the interface unit 220.

(4) If the command type is a request command of the playback file, the command is parsed to generate a query that inquires the corresponding data on the condition of the type of request data, the inquiry period (start time, end time), whether or not the ground equipment is selected . The query result is generated by dividing the file by the set time unit, and transmits the divided file including the division information to the playback file request ACK at the start of file creation. The file creation is made at the location specified by the user setting. When RAW conversion is requested, RAW format monitoring data is converted into ASTERIX CAT021 format and generated as a file.

(5) If the command type is a generation command of the data storage file, the command is parsed to generate a query to inquire the corresponding data on the condition of the kind of the requested data, the inquiry period (start time, end time) . The file creation is performed at the location specified by the user setting, and the file is created as one file for the query result. When the file creation is completed, the file information is transmitted to the generation request ACK of the data storage file.

(6) unit status information to the server management unit 250 periodically.

The server management unit 250 can receive the status information of the activated unit, check the operation status, perform the redundancy function, and perform the remote control of the system monitoring unit.

The server management unit 250 can check the status of each unit constituting the monitoring information providing unit 210 and transmit / receive a heartbeat to / from the primary / standby server. The server management unit 250 receives a message from each processor at a period set by the user, and can confirm that the unit is operating normally. If there is no message response within a predetermined time, the server management unit 250 may block the output to the outside and notify the standby server system of the status abnormality. The spare server system can act as a main server when it receives the status error message of the main server system. For example, the concrete operation for performing this is as follows.

(1) When the server management unit 250 is activated, initialization is performed. In initialization, set Server State to primary and Unit Error to false.

(2) If the heartbeat is received within the set time after initialization, set the Server State to Secondary. If not, record the heartbeat in Heart beat Send Buffer.

(3) After the initialization, the operation is divided into three processes: heartbeat transmission, heartbeat reception, and unit status information reception.

(4) In the case of receiving the unit status information, the following is obtained.

1) Use the Active Unit List to set the StateInfo timer for each active unit.

2) If the state information is received from the active unit, the receiver unit StateInfo timer is set.

3) Check the StateInfo timer for each unit and if there is a unit with 0, it is judged that the unit has failed.

4) In case of a fault, set unit error to true and delete the faulty unit from the list in Active Unit List.

5) If a new unit activated in the Active Unit List is confirmed, set the StateInfo timer of that unit.

(5) In the case of heartbeat transmission,

1) If Unit Error is false, write Heartbeat to Heart beat Send Buffer.

2) If Unit Error is true, it is judged that an error has occurred in the unit status.

3) In case of a main server abnormality, when a unit status abnormality is determined, a control command for switching to a spare server and interrupting the output interface of the transmission unit is transmitted to the corresponding unit and a recovery operation is performed.

4) The recovery operation is retried for the set time. If the recovery operation fails within the set time, the failed unit is deactivated and waits.

5) Set the unit error to false when the recovery operation is completed within the set time.

(6) In case of heartbeat reception, state timer is set, and the concrete operation is as follows.

1) Set the state timer when heart beat is received through Heart beat Receive Buffer.

2) If the Heartbeat is not received through the Heart beat Receive Buffer and the State timer is 0, the dead timer is activated.

3) If the heartbeat is not received through Heart beat Receive Buffer while the dead timer is 0, if the server is a primary server, it notifies the 'spare server system' or above. If the server is a spare server, Quot; main server system " conversion and notifies the conversion of the " main server system ".

4) Set the state timer and dead timer.

The server management unit 250 may transmit the state of the remote control execution and monitoring information providing unit 210. [ The server management unit 250 can execute an operation specified in the SNMP MIB object (an operation related to IP change, restart of the server, or the like). After executing the command, the server management unit 250 can notify the system monitoring unit, which is the SNMP manager, of the change using the MIB object value for confirmation of execution. In addition, the server management unit 250 can inform the system monitoring unit of the state of the server management unit 250 or the state information of the unit using the MIB object value. For example, the concrete operation for performing this is as follows.

(1) When the server management unit 250 is activated, initialization is performed.

(2) When data change event of SNMP MIB object occurs, it reads changed data.

(3) Remote control (IP change, port change, server restart, change of ground device information, etc.) is performed on the changed data and the changed data is stored in the file.

(4) After execution of remote control, TRAP is used to inform the system monitoring department that the remote control has been properly performed.

(5) If an error is detected regarding the conversion of the main / spare server system, status information of the server system is transmitted to the system monitoring unit using PUSH.

(6) Transmit the status information of the unit periodically.

3 is a diagram illustrating a detailed configuration of a traffic information management unit according to an exemplary embodiment of the present invention.

Referring to FIG. 3, the traffic information management unit 310 may include an interface unit 320, a traffic information processing unit 330, a traffic information storage unit 340, and a server management unit 350.

The interface unit 320 may receive the monitoring information from the monitoring information providing unit. The interface unit 320 may receive surveillance data of the ASTERIX CAT021 format, which is received in the surveillance information providing unit and verifies data validity, and may transmit the surveillance data to the corresponding unit in the traffic information management unit 310. [ For example, the concrete operation for performing this is as follows.

(1) When the interface unit 320 is activated, initialization is performed.

(2) After initialization, it creates a TCP server socket and a UDP socket to receive data from the monitoring information provider.

(3) Receive surveillance data of ASTERIX CAT021 format from the surveillance information provider through the generated socket, and record the received data in the ADS-B receive buffer.

(4) The unit status information is periodically transmitted to the server management unit 350.

The interface unit 320 may receive monitoring data from the monitoring data processing unit and the flight data processing unit of the air traffic management system. The interface unit 320 may receive the ASTERIX CAT062 format surveillance data and the flight plan provided by the air traffic management system and transmit the surveillance data and the flight plan to the corresponding unit in the traffic information management unit 310. [ For example, the concrete operation for performing this is as follows.

(1) When the interface unit 320 is activated, initialization is performed.

(2) After initialization, create a TCP server socket and a UDP socket for receiving data in the air traffic management system.

(3) Receives ASTERIX CAT062 format monitoring data from the air traffic management system through the generated socket, and records the received data in the Receive buffer of the AFTM.

(4) Receives the ASTERIX CAT062 formatted flight plan from the air traffic management system through the generated socket, and records the received data in the Receive buffer of the air traffic management system flight data processing unit.

(5) The unit status information is periodically transmitted to the server management unit 350.

The interface unit 320 can perform transmission and reception with the system monitoring unit. The interface unit 320 can transmit the merged and filtered ASTERIX CAT062 type monitoring data and the ASTERIX CAT022 type ground management data to the system monitoring unit. The interface unit 320 receives the command for inquiring the reproduction data, the request for the reproduction file, and the command for generating the data storage file from the system monitoring unit, transfers the data to the corresponding unit, and transmits the result of the reception command to the system monitoring unit. For example, the concrete operation for performing this is as follows.

(1) When the interface unit 320 is activated, initialization is performed.

(2) After initialization, generate TCP server socket and UDP socket for transmission of the present data, and create TCP server socket and UDP socket for command and other data transmission / reception. And executes a transmission FTP server so that the file generated by the traffic information storage unit 340 can be downloaded.

(3) The inquiry of playback data received from the system monitoring section, the request of the playback file, and the creation of the data storage file are received through a socket for sending and receiving commands and other data, and the received command is recorded in the Monitoring Command Request buffer .

(4) ASTERIX CAT062 format monitoring data and ASTERIX CAT022 format management data recorded in the Monitoring Send buffer are transmitted to the system monitoring section using the present data socket.

(5) Monitoring Command Response Transmit the ACK of the playback data of the buffer, the request ACK of the playback file, and the ACK of the data storage file to the system monitoring unit through a socket for sending and receiving commands and other data.

(6) unit status information to the server management unit 350 periodically.

(7) When the control command received from the server management unit 350 is an interruption of transmission, the data transmission through the socket is not performed, and when the control command is the transmission open, the data transmission is resumed.

The interface unit 320 can transmit surveillance data and management data to the ground equipment. The interface unit 320 transmits the ADS-B monitoring information received from the monitoring information providing unit to the 1090ES ground equipment and the UAT ground equipment in the form of ASTERIX CAT062 for the ADS-R service, and transmits the monitoring data received from the air traffic management system It can be transferred to 1090ES ground equipment and UAT ground equipment in ASTERIX CAT062 format for TIS-B service. In addition, the interface unit 320 can transmit the management data of the ASTERIX CAT022 format to the 1090ES ground equipment and the UAT ground equipment in order to set the TIS-B service mode of the ground equipment. For example, the concrete operation for performing this is as follows.

(1) When the interface unit 320 is activated, initialization is performed.

(2) After initialization, TCP client socket and UDP socket are created.

(3) Ground equipment Transmits ASTERIX CAT062 type monitoring data recorded in ADS-R Send buffer to the corresponding ground equipment.

(4) Ground equipment Transmits ASTERIX CAT062 type monitoring data recorded in TIS-B Send buffer and ASTERIX CAT022 type management data to corresponding ground equipment.

(5) the status information of the unit periodically to the server management unit 350.

(6) When the control command received by the server management unit 350 is an interruption of transmission, the transmission of data through the socket is not performed and the transmission of data is resumed when the control command is the transmission of the transmission.

The interface unit 320 may transmit and receive heartbeats between the main server and the standby server for redundancy of the traffic information management unit 310. [ For example, the concrete operation for performing this is as follows.

(1) When the interface unit 320 is activated, initialization is performed.

(2) In the initialization, set the IP address and port number of the redundant server system.

(3) After initialization, UDP socket is created for heartbeat transmission and reception.

(4) When a heartbeat is received, it is written to the Heart beat Receive buffer.

(5) Heart beat Send Sends a heartbeat when there is a heartbeat recorded in the send buffer.

The traffic information processing unit 330 is a unit for the ADS-R service. The traffic information processing unit 330 can perform data validation on the ASTERIX CAT021 formatted monitoring data received from the surveillance information providing unit, and then convert the ASTERIX CAT062 formatted monitoring data have. Thereafter, the traffic information processing unit 330 can determine the ground equipment to distribute the converted surveillance data. For example, the concrete operation for performing this is as follows.

(1) When the traffic information processing unit 330 is activated, initialization is performed.

(2) Receive and parse the ASTERIX CAT021 format monitoring data of the ADS-B receive buffer.

(3) If the version of the monitoring data of ASTERIX CAT021 format is 0.23, the Target Address and Target Identification are stored in the target information table. If the version is 0.26 or more, Target Address, Target Identification and Mode 3 / A are stored in the target information table .

(4) After saving the information in the target information table, convert it into ASTERIX CAT062 format monitoring data.

(5) The SIC information is compared with the ground equipment information table to set up the ground equipment to distribute the converted monitoring data, and then the ground equipment ADS-R Send buffer and the Monitoring Send buffer are recorded and transmitted to the interface unit 320.

(6) The received ASTERIX CAT021 format monitoring data and the converted ASTERIX CAT062 format monitoring data are recorded in the database ADS-R recording buffer and transmitted to the traffic information storage unit 340 for playback and confirmation.

(7) the status information of the unit periodically to the server management unit 350.

The traffic information processing unit 330 may generate the TIS-B Report and the ground equipment management data. The traffic information processing unit 330 may perform the data validation of the ASTERIX CAT062 type monitoring data and the flight plan received from the air traffic management system and perform the merging if possible. Thereafter, the traffic information processing unit 330 can determine whether to distribute the processed data and the ground equipment to be distributed. For example, the concrete operation for performing this is as follows.

(1) When the traffic information processing unit 330 is activated, initialization is performed. Set CAT022 timer in initialization.

(2) Air Traffic Management System In the flight plan of ASTERIX CAT062 format received from the flight data processing unit receive buffer, information corresponding to Target Identification, Track Number, Mode 3 / A, and SIC / And stores it in a mapping table.

(3) CAT022 Period It creates ASTERIX CAT022 type ground equipment management data for each ground equipment that provides TIS-B service using the value set by the system monitoring section for each timer cycle. The generated ASTERIX CAT022 formatted ground control data shall be recorded in the ground equipment TIS-B Send buffer for transmission to the corresponding ground equipment and recorded in the Monitoring Send buffer for confirmation by the system monitoring unit. Then, it is recorded in the database TIS-B recording buffer to be used for reproduction.

(4) Air Traffic Management System Surveillance Data Processing Performs data validation by performing syntax and semantic inspection of ASTERIX CAT062 format monitoring data received through Receive buffer. If it is classified as damaged monitoring data in the execution result, it is recorded in the database TIS-B write buffer together with the damage information and stored in the database.

(5) If there is no abnormality in the execution result, the information corresponding to Track Number, Mode 3 / A, and SIC / SAC in the received ASTERIX CAT062 format monitoring data is stored in the monitoring data processing unit_flying data processing unit mapping table.

(6) Monitoring of ASTERIX CAT062 type monitoring data If the same flight data processing unit information exists in Tracking Unit, Mode 3 / A, SIC / SAC and Monitoring Data Processing Unit - Flight Data Processing Unit mapping table, Create ASTERIX CAT062 format monitoring data that merges plan.

(7) All processed ASTERIX CAT062 type surveillance data is compared with Target Info Table for distribution, and if there is the same Target Identification or Mode 3 / A, distribution process is not performed and recorded in database TIS-B record buffer do. If there is no identical Target Identification, the latitude and longitude are compared in the distribution information table set by the user, and the ground equipment to be distributed is set and recorded in the ground equipment TIS-B Send buffer. It records in Monitoring Send buffer and database TIS-B write buffer for display and playback.

(8) unit status information to the server management unit 350 periodically.

The traffic information storage unit 340 may store the TIS-B Report generated by the traffic information management unit 310. The traffic information storage unit 340 can store the ASTERIX CAT021 type monitoring data, the ASTERIX CAT062 type monitoring data, and the ASTERIX CAT022 type ground equipment management data received by the traffic information management unit 310 in the database through buffering have. For example, the concrete operation for performing this is as follows.

(1) When the traffic information storage unit 340 is activated, initialization is performed. In initialization, connect to the database using the database ID and password, and set the Bulk Insert timer.

(2) After initialization, the buffer is stored in the buffer according to the information in the database TIS-B write buffer and the database ADS-R write buffer. Database Records the ASTERIX CAT021 format monitoring data in the ADS-R write buffer and the ASTERIX CAT062 format monitoring data in the ADS-R database buffer. Database The ASTERIX CAT062 format monitoring data in the TIS-B write buffer is written to the CAT062 database buffer and the ASTERIX CAT022 format management data is written to the CAT022 database buffer.

(3) When Bulk Insert timer becomes 0, ASTERIX CAT021 format monitoring data stored in ADS-R database buffer and ASTERIX CAT062 format monitoring data are stored in TB_ADSR table by Bulk Insert and stored in ASTERIX CAT062 database buffer stored in CAT062 database buffer. ASTERIX CAT062 format monitoring data and data verification information are stored in TB_ASTERIX_62 table by Bulk Insert. Then, ASTERIX CAT022 format management data stored in the CAT022 database buffer is stored as a Bulk Insert in the TB_ASTERIX_22 table.

(4) Save the monitoring data and data verification information of ASTERIX CAT021 format stored in CAT021 database buffer in TB_ASTERIX_21 table by Bulk Insert.

(5) Set the Bulk Insert timer after executing Bulk insert.

(6) unit status information to the server management unit 350 periodically.

The traffic information storage unit 340 can reproduce surveillance data and management data. The traffic information storage unit 340 may receive an inquiry command for a reproduction material, a request for a reproduction file, and a command for generating a data storage file, and may decode each command to generate a query satisfying the condition. The traffic information storage unit 340 executes the generated query and inquires the ASTERIX CAT021 format monitoring data, the ASTERIX CAT062 format monitoring data, and the ASTERIX CAT023 format management data stored in the database, To the system monitoring unit. For example, the concrete operation for performing this is as follows.

(1) When the traffic information storage unit 340 is activated, initialization is performed. Initialization establishes a connection to the database using the ID and Password of the database.

(2) After initialization, check the command type in Monitoring Command Request buffer.

(3) If the command type is the inquiry of the reproduction data, the command is parsed to generate a query that inquires the count of the corresponding data on condition that the kind of the requested data, the inquiry period (start time, end time) . Generates an inquiry ACK of the reproduction material including the query result, records it in the Monitoring Command Response buffer, and transmits it to the interface unit 320.

(4) If the command type is a request for a playback file, the command is parsed to generate a query that inquires the corresponding data on condition that the type of request data, the query period (start time, end time) do. The query result is generated by dividing the file by the set time unit, and transmits the request information including the division information to the request ACK of the playback file at the start of file creation. The file creation is made at the location specified by the user setting.

(5) If the command type is a generation command of the data storage file, the command is parsed to generate a query that inquires the corresponding data on the condition of the type of the requested data, the query period (start time, end time) And execute. The file creation is performed at the location specified by the user setting, and the file is created as one file for the query result. When the file creation is completed, the file information is transmitted to the generation request ACK of the data storage file.

(6) unit status information to the server management unit 350 periodically.

The server management unit 350 can receive the status information of the activated unit, check the operation status, perform the duplication function, and perform remote control of the system monitoring unit.

The server management unit 350 can check the status of each unit constituting the traffic information management unit 310 and transmit / receive the heartbeat to / from the spare server. The server management unit 350 receives a message from each processor at a period set by the user, and can confirm that the unit is operating normally. If there is no message response within a predetermined period of time, the server management unit 350 can block the outgoing output and notify the abnormal status of the standby server system. The spare server system can act as a main server when it receives the status error message of the main server system. For example, the concrete operation for performing this is as follows.

(1) When the server management unit 350 is activated, initialization is performed. In initialization, set server state to primary and set Unit Error to false.

(2) If the heartbeat is received within the set time after initialization, server state is set to Secondary. If not received, heartbeat is recorded in Heart beat Send buffer.

(3) After initialization, the operation is divided into three parts: transmission of heartbeat, reception of heartbeat, and reception of unit status information.

(4) In the case of receiving the unit status information,

1) Use the Active Unit List to set the StateInfo timer for each active unit.

2) When receiving status information from the active unit, set the receiving unit StateInfo timer.

3) Check the StateInfo timer for each unit and if there is a unit with 0, it is judged that the unit has failed.

4) If a fault is detected, Unit Error is set to true, the abnormal unit information is transmitted, and the abnormal unit is deleted from the list in the Active Unit List.

5) If a new unit activated in the Active Unit List is confirmed, set the StateInfo timer of that unit.

(5) In the case of transmission of a heartbeat,

1) If Unit Error is false, write heartbeat to heart beat send buffer.

2) If Unit Error is true, it is judged that an error has occurred in the unit status.

3) In case of abnormality judgment on the unit status, in the case of the main server, the server is switched to the spare server, and a control command for interrupting the output interface of the transmission unit is transmitted to the corresponding unit. Then, after performing the conversion notification of the 'spare server system', the recovery operation is performed. If the server is a spare server, it will notify the 'backup service system' and perform the recovery operation.

4) The recovery operation is retried for the set time. If the recovery operation fails within the set time, the failed unit is deactivated and waits.

5) If the recovery operation is completed within the set time, notify the recovery unit and set Unit Error to false.

(6) In case of heartbeat reception,

1) Heart beat Receive When receiving heartbeat through buffer, set state timer.

2) Heart beat Receive If the heartbeat is not received through the buffer and the state timer is 0, the dead timer is activated.

3) If the heartbeat is not received through the heartbeat receive buffer while the dead timer is 0, it notifies the 'spare server system' if the main server is notified. If the heartbeat receiver receives the heartbeat from the heart beat receive buffer, Quot; main server system " and notifies the conversion of the " main server system ".

4) Then set the state timer and dead timer.

The server management unit 350 can transmit the remote control execution and the server status. You can execute the operations specified in the SNMP MIB object (operations related to changing the settings of the server such as IP change, server restart, etc.). After executing the command, the server management unit 350 can notify the system monitoring unit of the SNMP manager of the change using the MIB object value for execution confirmation. In addition, the server management unit 350 can inform the system monitoring unit of the state of the server or the state information of the unit using the MIB object value. For example, the concrete operation for performing this is as follows.

(1) When the server management unit 350 is activated, initialization is performed. Initialization sets the state timer.

(2) When data change event of SNMP MIB object occurs, it reads changed data.

(3) Remote control (IP change, port change, server restart, GS information change, etc.) is performed on the changed data and the changed data is stored in the file.

(4) After execution of remote control, TRAP is used to inform the system monitoring department that the remote control has been properly performed.

(5) When an error about the conversion of the main / spare server system is received, the status of the server system is transmitted to the system monitoring unit using PUSH.

(6) When the state timer value becomes 0, the unit state information is transmitted.

(7) State timer is set after transmitting the status information.

FIG. 4 is a diagram illustrating a detailed configuration of an observation information management unit according to an embodiment.

Referring to FIG. 4, the observation information management unit 410 may include an interface unit 420, an observation information processing unit 430, an observation information storage unit 440, and a server management unit 450.

The interface unit 420 can receive the observation information from the observation information providing unit 170 (FIG. 1), periodically receive the observation information for generating the FIS-B product, As shown in FIG. For example, the concrete operation for performing this is as follows.

(1) When the interface unit 420 is activated, initialization proceeds.

(2) After initialization, create a TCP server socket and a UDP socket for receiving data from the ground equipment.

(3) When the observation information is received from the observation information providing unit (170 in FIG. 1) through the created socket, the received data is recorded in the ground equipment receiving buffer.

(4) the status information of the unit periodically to the server management unit 450.

The interface unit 420 can perform transmission / reception with the system monitoring unit, and can transmit the FIS-B product received by the observation information management unit 410 and subjected to the data validation process. The interface unit 420 can receive the inquiry of the reproduction data, the request of the reproduction file, and the generation command of the data storage file from the system monitoring unit, and can transmit the result to the unit, and can transmit the result of the received command to the system monitoring unit. For example, the concrete operation for performing this is as follows.

(1) When the interface unit 420 is activated, initialization proceeds.

(2) After initialization, create a TCP server socket and a UDP socket for transmission of the present data, and create a TCP server socket and a UDP socket for command and other data transmission / reception. Then, the FTP server for file transmission is executed so that the file generated by the server management unit 450 can be downloaded.

(3) The inquiry of the reproduction data, the request of the reproduction file and the creation of the data storage file received from the system monitoring section are received through a socket for sending and receiving commands and other data, and the received command is recorded in the Monitoring Command Request Buffer .

(4) Monitoring The data recorded in the FIS-B Product Send Buffer is transmitted to the system monitoring department using the present data socket.

(5) Monitoring Command Response It transmits ACK, request ACK of playback file, generation ACK of data storage file to system monitoring unit through socket for sending and receiving command and other data.

(6) unit status information to the server management unit 450 periodically.

(7) When the control command received by the server management unit 450 is an interruption of transmission, the transmission of data through the socket is not performed, and when the control command is the transmission of the transmission, the transmission of data is resumed.

The interface unit 420 may transmit the FIS-B product to the ground equipment, and may transmit the FIS-B product generated by receiving the observation information from the observation information management unit 410 to the UAT ground equipment. For example, the concrete operation for performing this is as follows.

(1) When the interface unit 420 is activated, initialization proceeds. In initialization, set the IP address and port number of the ground equipment.

(2) Perform initialization Create TCP client socket and UDP socket for transmission of FIS-B product.

(3) Transmit the FIS-B Product recorded in the ground equipment Send Buffer to the ground equipment using the selected protocol.

(4) the status information of the unit periodically to the server management unit 450.

(5) If the control command received by the server management unit 450 is an interruption of transmission, the data transmission through the socket is not performed, and if the control command is the transmission open, the data transmission is resumed.

The interface unit 420 may transmit and receive heartbeats between the main server and the standby server for redundancy of the observation information management unit 410. [ For example, the concrete operation for performing this is as follows.

(1) When the interface unit 420 is activated, initialization proceeds. In the initialization, set the IP address and port number of the server system to be duplicated.

(2) After the initialization, UDP socket is created for heartbeat transmission and reception.

(3) If a heartbeat is received from the redundant server, record it in the Heart beat Receive Buffer.

(4) Heartbeat Sends the heartbeat to the redundancy server if there is a heartbeat recorded in the Send Buffer.

(5) unit status information to the server management unit 450 periodically.

(6) When the control command received by the server management unit 450 is an interruption of transmission, data transmission through the socket is not performed, and transmission of data is resumed when the control command is an open transmission.

The observation information processing unit 430 can generate the FIS-B product using the observation information received from the observation information providing unit 170 (FIG. 1). The observation information processing unit 430 may perform a syntax check and a semantic check on each observation information, and attach a header to generate FIS-B Product of the APDU format. In addition, the observation information processing unit 430 may transmit the observation information to the system monitoring unit and the ground equipment after verifying validity such as redundant data verification, and may transmit the observation information to the server management unit 450 and store the observation information in the database. For example, the concrete operation for performing this is as follows.

(1) When the observation information processing unit 430 is activated, initialization is performed.

(2) Providing observation information after performing the initialization (170 of FIG. 1) Performs syntax verification and semantic inspection on the observation information recorded in the receive buffer to perform data validation.

(3) Create an FIS-B Product by attaching an APDU header to the observation information.

(4) For damaged observations, record the FIS-B Product with the damage information in the database record buffer.

(5) All FIS-B products which are not abnormal in the inspection shall be distributed.

(6) The distribution of FIS-B products shall be recorded in Monitoring Send Buffer and Ground Equipment Send Buffer.

(7) the status information of the unit periodically to the server management unit 450.

The observation information storage unit 440 may store the FIS-B Product generated by the observation information management unit 410. The observation information storage unit 440 may buffer the FIS-B Product generated by the observation information management unit 410 and store the FIS-B Product in the database in APDU format. For example, the concrete operation for performing this is as follows.

(1) When the observation information storage unit 440 is activated, initialization is performed. Initialization uses database ID and password to connect to the database.

(2) Record the FIS-B Product including the data verification information in the database recording buffer.

(3) Insert the FIS-B Product stored in the database write buffer into the database.

(4) the status information of the unit periodically to the server management unit 450.

The observation information storage unit 440 can reproduce the FIS-B Product. The observation information storage unit 440 may receive an inquiry command for a reproduction material, a request for a reproduction file, and a command for generating a data storage file, and may decode each command to generate a query satisfying the condition. The observation information storage unit 440 may execute the generated query, query the FIS-B Product stored in the database, and transmit the query result according to the query to the system monitoring unit. For example, the concrete operation for performing this is as follows.

(1) When the observation information storage unit 440 is activated, initialization is performed. In initialization, connection setup with database is performed by using database ID and password.

(2) After initialization, check the command type in Monitoring Command Request Buffer.

(3) If the command type is an inquiry of reproduction data, a command is parsed to generate and execute a query for inquiring the count of the data based on the kind of the requested data, the inquiry period (start time, end time). Generates an inquiry ACK of the reproduction material including the query result, records it in the Monitoring Command Response Buffer, and transmits it to the interface unit 420.

(4) If the command type is a request for a playback file, the command is parsed to generate and execute a query for querying the data based on the type of the requested data, the query period (start time, end time). The query result is generated by dividing the file by the set time unit, and the division information is included in the request ACK of the playback file at the start of file creation. File creation is created at the location specified by the user settings.

(5) If the command type is a generation command of the data storage file, the command is parsed to generate and execute a query that inquires the data based on the type of the requested data, the query period (start time, end time). The file creation is created at the location specified by the user setting, and the query result is created as one file. When the file creation is completed, the file information is transmitted to the generation request ACK of the data storage file.

(6) unit status information to the server management unit 450 periodically.

The server management unit 450 can receive the status information of the activated unit, check the operation status, and perform the duplication function and remote control of the system monitoring unit.

The server management unit 450 can check the status of each unit constituting the observation information management unit 410 and transmit / receive heartbeats to the spare server. The server management unit 450 receives a message from each processor at a period set by the user and can confirm that the unit is operating normally. If there is no message response within a predetermined time, the server management unit 450 may block the output to the outside and notify the standby server system of the status abnormality. The spare server system can act as a main server when it receives the status error message of the main server system. For example, the concrete operation for performing this is as follows.

(1) When the server management unit 450 is activated, initialization is performed. In initialization, set the server state to primary and set Unit Error to false.

(2) If the heartbeat is received within the set time after initialization, set the server status to Secondary. If not, record the heartbeat in Heart beat Send Buffer.

(3) After the initialization, the operation is divided into three processes: transmission of a heartbeat, reception of a heartbeat, and reception of unit status information.

(4) In the case of receiving the unit status information,

1) Use the Active Unit List to set the StateInfo timer for each active unit.

2) If the state information is received from the active unit, the receiver unit StateInfo timer is set.

3) Check the StateInfo timer for each unit and if there is a unit with 0, it is judged that the unit has failed.

4) In case of a failure, set Unit Error to true, send the abnormal unit information to the server management unit, and delete the abnormal unit from the Active Unit List.

5) If a new unit activated in the Active Unit List is confirmed, set the StateInfo timer of that unit.

(5) In the case of transmission of a heartbeat,

1) If the Unit Error is false, record the heartbeat in the Heart beat Send Buffer.

2) If Unit Error is true, it is judged that an error has occurred in the unit status.

3) In case of abnormality judgment on the unit status, in the case of the main server, the control server switches to the spare server and transmits a control command for interrupting the output interface of the transmission unit to the corresponding unit. Then, after performing the conversion notification of the 'spare server system', the recovery operation is performed. If the server is a spare server, it will notify the 'backup service system' and perform the recovery operation.

4) The recovery operation is retried for the set time. If the recovery operation is not performed within the set time, the failed unit is deactivated and waits.

5) If the recovery operation is completed within the set time, notify the recovery unit and set Unit Error to false.

(6) In case of receiving heartbeat, set the state timer.

1) Set the state timer when heart beat is received through Heart beat Receive Buffer.

2) If the Heartbeat is not received through the Heart beat Receive Buffer and the State timer is 0, the dead timer is activated.

3) If the heartbeat is not received through the heartbeat receive buffer while the dead timer is 0, the main server is notified of the 'spare server system' or above. In case of the spare server, the current server is switched to the main server, The output interface to the unit that is responsible for the output of the output interface. And notifies the 'main server system' conversion.

4) Then set the state timer and dead timer.

The server management unit 450 can transmit the remote control execution and the server status. The server management unit 450 can execute an operation specified in the SNMP MIB object (an operation related to IP change, server restart, such as server restart). After executing the command, the server management unit 450 can notify the system monitoring unit, which is the SNMP manager, of the change using the MIB object value for confirmation of execution. In addition, the server management unit 450 can inform the system monitoring unit of the status of the server and the status information of the unit using the MIB object value. For example, the concrete operation for performing this is as follows.

(1) When the server management unit 450 is activated, initialization is performed. Initialization sets the state timer.

(2) When data change event of SNMP MIB object occurs, it reads changed data.

(3) Remote control (IP change, port change, server restart, change of ground device information, etc.) is performed on the changed data and the changed data is stored in the file.

(4) After execution of remote control, TRAP is used to notify the system monitoring department that the remote control has been properly performed.

(5) When an abnormality is detected in relation to the conversion of the main / spare server system, the status of the server system is transmitted to the system monitoring unit using PUSH.

(6) When the state timer value becomes 0, the unit state information is transmitted.

(7) After transmitting the status information, set the state timer.

5 is a diagram illustrating a detailed configuration of a system monitoring unit according to an embodiment.

5, the system monitoring unit 510 may include an interface unit 520, an aviation status display unit 530, a system status display unit 540, and a monitoring management unit 550.

The interface unit 520 receives the ADS-B monitoring information and the management data from the monitoring information providing unit, and transmits the reproducing command to the monitoring information providing unit. For example, the interface unit 520 may receive the supervisory data of the ASTERIX CAT021 format, the management data of the ASTERIX CAT023 format, and decode the supervisory data and the ASTERIX CAT023 format management data from the supervisory information providing unit, and then transmit the decoded data to the corresponding units in the system monitoring unit 510. In addition, the interface unit 520 can transmit the reproduction request, and receives the monitoring data of the ASTERIX CAT021 format for reproduction, the monitoring data of the RAW format for reproduction, and the management data of the ASTERIX CAT023 format for reproduction, To the corresponding unit of the < / RTI > For example, the concrete operation for performing this is as follows.

(1) When the interface unit 520 is activated, initialization proceeds. During the initialization process, the IP address and port number of the monitoring information providing unit are loaded to generate TCP and UDP sockets, and the log storage level is determined.

(2) Receive data using Receive buffer. The monitoring data received from the monitoring information provider is stored in the monitoring information providing server CAT021 Receive buffer, and the management data is stored in the monitoring information providing server CAT023 receiving buffer. Other messages, such as event messages, playback related messages, etc., received from the monitoring information providing unit and commands received from the flight status display unit are stored in the monitoring information providing block.

(3) Decode the data or command recorded in each buffer. Surveillance Information Remover CAT021 Receive Buffer and Surveillance Information Remover CAT023 Receive buffer is decoded according to Eurocontrol ASTERIX protocol. The supervisory information providing command buffer decodes each field and deciphers the supervisory information providing command buffer, the supervisory information providing command buffer, and the supervisory information providing unit 530 An ACK of the reproduction data, a request ACK of the reproduction data, a generation ACK of the data storage file and a download completion message of the reproduction data, an event message for transmission to the system status display unit 540, ), And a reproduction data download message for processing in the reproduction data.

(4) Generate and transmit a retrieval command for reproducing data to be sent to the monitoring information providing unit, a request command for reproducing data, and a command for generating a data storage file. A request ACK of the reproduction data to be transmitted to the air condition display unit 530, a request ACK of the reproduction data, a generation ACK of the data storage file and a download completion message of the reproduction data, an event message to be transmitted to the system status display unit 540 . The contents of the monitoring information providing unit CAT021 receive buffer are transmitted to the aviation status display unit 530 and the contents of the monitoring information providing server CAT023 receive buffer are transmitted to the aviation status display unit 530 and the system status display unit 540. [

(5) If there is a reproduction data download message, the reproduction data is downloaded by accessing the monitoring information providing unit. When the downloading is completed, the playback data download completion message is recorded in the monitoring information providing block.

(6) records a log according to the setting of the user, and reports the status of the unit to the monitoring management unit 550.

The interface unit 520 receives the air traffic information and the management data from the traffic information management unit, and transmits the reproduction command to the traffic information management unit. For example, the interface unit 520 can receive and decode ASTERIX CAT062 format monitoring data and ASTERIX CAT022 format management data from the traffic information management unit, and then transmit the decoded data to corresponding units in the system monitoring unit 510. [ In addition, the interface unit 520 may transmit the reproduction request, receive the monitoring data of the ASTERIX CAT062 format for reproduction, the management data of the ASTERIX CAT022 format for reproduction, and transmit the management data to the corresponding unit in the system monitoring unit 510. [ For example, the concrete operation for performing this is as follows.

(1) When the interface unit 520 is activated, initialization proceeds. In the initialization process, TCP / UDP socket is created by loading IP address and port number of traffic information management unit and log storage level is determined.

(2) Receive data using Receive buffer. The monitoring data received from the traffic information management unit is stored in the CAT062 Receive buffer of the traffic information management unit and the management data received from the traffic information management unit is stored in the CAT022 Receive buffer of the traffic information management unit. Other messages received from the traffic information management unit and commands received from the aviation status display unit 530 are stored in the command buffer of the traffic information management unit.

(3) Decode the data or command recorded in each buffer. Traffic Information Management Department CAT062 Receive Buffer and Traffic Information Management Department CAT022 Receive buffer is decoded according to Eurocontrol ASTERIX protocol. The command buffer of the traffic information management unit decodes the command buffer for each field and generates an inquiry command for a reproduction data, a command for requesting reproduction data, a command for generating a data storage file, and an air status display unit 530 for transmitting the command to the traffic information management unit, The request ACK of the playback data, the ACK of the playback data, the download ACK of the data storage file, the download completion message of the playback data, and the download data download message to be processed by the interface unit 520. [

(4) Generate and transmit an inquiry command for reproducing data, a request command for reproduction data, and a data storage file to be transmitted to the traffic information management unit. The request ACK of the reproduction data, the generation ACK of the data storage file, and the download completion message of the reproduction data to be transmitted to the air condition presenting unit 530. [ The traffic information management unit CAT062 transmits the contents of the receive buffer to the aviation status display unit 530 and the contents of the traffic information management unit CAT022 receive buffer to the system status display unit 540. [

(5) When there is a download message of the reproduction material, the reproduction information is accessed by accessing the traffic information management unit, and when the download is completed, the download completion message of the reproduction material is recorded in the command information buffer of the traffic information management unit.

(6) records a log according to the setting of the user, and reports the status of the unit to the monitoring management unit 550.

The interface unit 520 can receive the observation information from the observation information management unit and transmit the reproduction command to the observation information management unit. For example, the interface unit 520 may receive and analyze the FIS-B product from the observation information management unit, and then transmit the FIS-B product to the corresponding unit in the system monitoring unit 510. In addition, the interface unit 520 may transmit the reproduction request, and may receive the FIS-B product for reproduction and transmit the FIS-B product to the corresponding unit in the system monitoring unit 510. For example, the concrete operation for performing this is as follows.

(1) When the interface unit 520 is activated, initialization proceeds. In the initialization process, the IP address and the port number of the observation information management unit are loaded to generate TCP and UDP sockets, and the log storage level is determined.

(2) Receive data using Receive buffer. The FIS-B Product received from the observation information management unit is stored in the observation information management unit receive buffer. The other message received from the observation information management unit and the command received from the air condition display unit 530 are stored in the observation information management unit Command buffer.

(3) Decode the data or command recorded in each buffer. Both the Receive Buffer and the Observation Information Management Command Buffer are decoded for each field. In the case of the Receive Buffer of the observation information management unit, it is decoded according to the FIS-B Product APDU format. Based on the decoded contents, the observation information management unit command buffer stores a command to reproduce data to be transmitted to the observation information management unit, a request command to reproduce data, a command to generate a data storage file, A request ACK of the data, a request ACK of the reproduction data, a generation ACK of the data storage file, a download completion message of the reproduction data, and a download message of the reproduction data to be processed by the interface unit 520.

(4) generating an inquiry command for reproducing data to be transmitted to the observation information management section, a request command for reproducing data, and a command for generating a data storage file, and transmits the generated command. The request ACK of the reproduction data, the generation ACK of the data storage file, and the download completion message of the reproduction data to be transmitted to the air condition presenting unit 530. [ And transmits the contents of the observation information management unit receive buffer to the aviation status display unit 530.

(5) When there is a download message of the reproduction data, the reproduction information is downloaded to the observation information management unit, and when the download is completed, the reproduction data download completion message is recorded in the observation information management unit command buffer.

(6) records a log according to the setting of the user, and reports the status of the unit to the monitoring management unit 550.

The aviation status display unit 530 can receive the monitoring data from the monitoring information providing unit and the traffic information management unit to receive the monitoring data of the ASTERIX CAT021 format and ASTERIX CAT062 format and display the target. The aviation status display unit 530 can display the target and label on the map using the received monitoring data and display the detailed information on the target in the auxiliary display window. For example, the concrete operation for performing this is as follows.

(1) Initialization is performed when the aviation status display unit 530 is activated. Initialize CAT021 Display Queue and CAT062 Display Queue during initialization, and load flag of user setting value. Also set the log storage level.

(2) The monitoring data received from the interface unit 520 is stored in the CAT021 Display Queue, the CAT062 Display Queue, and the RAW Display Queue.

(3) Calculate the coordinates for displaying the target and label using the zoom level and reference point of the current screen.

(4) The target stored in the CAT021 Display Queue, CAT062 Display Queue, and CAT062 Display Queue is displayed on the map according to the set history number, the halo size, the color of the heading vector, and the size. If the user selects the target, The details of the received data are displayed in the secondary display window.

(5) The label is displayed together with ASTERIX CAT021 format and ASTERIX CAT062 format target. The symbol and label of the target being displayed are connected by a line. Labels can move on the map.

(6) If monitoring data for the target is not received, it waits for the time set by the user and fades it out.

(7) The old data exceeding the number of history set by the user is deleted from CAT021 Display Queue, CAT062 Display Queue, and RAW Display Queue.

(8) Delete all data from CAT021 Display Queue, CAT062 Display Queue and RAW Display Queue when user selects Delete All Targets or Initialize Screen.

(9) records a log according to the setting of the user, and reports the status of the unit to the monitoring management unit 550.

The aviation status display unit 530 can display various items on the map and the map. For example, the aviation situation indicator unit 530 may transmit the ground equipment service volume received through the ASTERIX CAT023 format from the map, route, terrain, airport, river, sea, obstacle, It can be displayed according to your choice. For example, the concrete operation for performing this is as follows.

(1) Initialization is performed when the aviation status display unit 530 is activated. During the initialization process, initialize the CAT023 Volume Display Queue and Mouse Pointer Queue, load the map file input into the system into the Map Display Queue, and load the flag of the user setting value. Also set the log storage level.

(2) The management data received from the interface unit 520 is stored in the CAT023 Volume Display Queue according to the ground equipment.

(3) Calculate the coordinates for displaying the map and item using the zoom level and reference point of the current screen.

(4) By checking the flag bit, the map, the route, the terrain, the airport, the river, the sea, and the obstacles stored in the Map Display Queue for the layer selected by the user are set as separate layers according to the set background color, line color, line thickness, .

(5) If the user selects the ground equipment and the option flag of the service range option flag is set, the service range of each ground equipment based on the operational range stored in the CAT023 Volume Display Queue, The concentric circle representing the distance is displayed according to the color and thickness of the set circle

(6) If the flag bit is checked and the user sets the mouse position display option, the longitude latitude where the current mouse pointer is located is stored in the Mouse Pointer Queue. Delete any previous data stored in the Queue.

(7) Draw a latitude / longitude grid and compass if the user sets the latitude / longitude grid or compass display option by checking the flag bit.

(8) When the user selects the distance calculation or uses the distance calculation shortcut key, the location where the first mouse click is clicked and the place where the second mouse is clicked is stored in the distance queue. Then calculate the horizontal distance excluding the altitude of the two points stored in the Distance Queue and the diagonal distance including altitude.

(9) If the user selects the screen initialization, change the parameters for the current screen output to the Zoom level and reference point stored in the initialization file.

(10) records a log according to the setting of the user, and reports the status of the unit to the monitoring management unit (550).

The air condition display unit 530 can receive the observation information of the FIS-B Product type from the observation information management unit and display it. The air condition display unit 530 may display weather information, a prohibited area, and the like on the map based on the received observation information, and display the detailed information on the auxiliary display window. For example, the concrete operation for performing this is as follows.

(1) Initialization is performed when the aviation status display unit 530 is activated. During the initialization process, the flight information services (FIS) display queue is initialized and the flag of the user setting value is loaded. Also set the log storage level.

(2) The observation information received from the interface unit 520 is stored in the FIS Display Queue for each type.

(3) Calculate the coordinates for displaying the layer using the zoom level and reference point of the current screen.

(4) Display the METAR, TAF, SIGMET, AIRMET, SPECI and NOTAM stored in the FIS Display Queue as each layer. When it is displayed, the flag bit is checked and only the layer selected by the user is displayed.

(5) Initialize FIS Display Queue when user selects screen initialization.

(6) records a log according to the setting of the user, and reports the status of the unit to the monitoring management unit 550.

The aviation status display unit 530 can detect and display a dangerous situation. The aviation status display unit 530 detects and displays the aircraft proximity warning using the position and altitude information included in the ASTERIX CAT021 type monitoring data received from the monitoring information providing unit, It is possible to detect and display whether or not to enter. In addition, the aviation status display unit 530 can detect and display an aircraft emergency situation using the aviation status information included in the monitoring data of the ASTERIX CAT021 format. For example, the concrete operation for performing this is as follows.

(1) Initialization is performed when the aviation status display unit 530 is activated. Initializes the Warning Display Queue during initialization and loads user settings. Also, set log storage level.

(2) When the user sets a prohibited zone, the prohibited zone information is loaded into the Warning NoEntry Area memory.

(3) Identification of received ASTERIX CAT021 type monitoring data, state vector between two aircraft, or altitude between aircraft and ground is within the value set by the user and distance is within the value set by the user . And writes the information of the corresponding target and detection warning information to the Warning Display Queue.

(4) Confirm whether the target is reporting the dangerous situation information by using Identification and Mode-Status of received ASTERIX CAT021 type monitoring data. And writes the information of the corresponding target and detection warning information to the Warning Display Queue.

(5) Confirm whether the aircraft or ground surface enters the prohibited area set by the user by using Identification, State Vector of received ASTERIX CAT021 type monitoring data. And writes the information of the corresponding target and detection warning information to the Warning Display Queue.

(6) Warning Display a warning about the target by decoding the display queue. In case of a collision warning, the corresponding two target labels are changed to red, a warning sound (beep) is output three times, and the address of the target and the collision risk message are displayed in the lower status bar. The target for which the critical status is reported changes the label to orange and outputs two beeps (beeps) and displays the target address and critical status message in the bottom status bar. In case of intrusion warning, it changes the label to yellow and outputs a beep once, and the target address and invitation message are displayed in the lower status bar.

(7) If two collision warning detected targets are far away from the altitude or distance set by the user, the dangerous status reporting of the dangerous condition is stopped, the target in which the intrusion warning is detected is outside the user- Remove the target from the Warning Display Queue and stop the warning display.

(8) records a log according to the setting of the user, and reports the status of the unit to the monitoring management unit 550.

The aviation status display unit 530 can reproduce the playback data received from the monitoring information providing unit, the traffic information management unit, and the observation information management unit. For example, the concrete operation for performing this is as follows.

(1) Initialization is performed when the aviation status display unit 530 is activated. Initialize the CAT021 Replay Queue, CAT062 Replay Queue, RAW Replay Queue, FIS Replay Queue, CAT023 Replay Queue, CAT022 Replay Queue. Also, the user log-in information of the monitoring management unit 550 is confirmed and the log storage level is set.

(2) When the user inputs the request for the reproduction data, the request for the reproduction data, or the data storage file, the inquiry period, the type of the data, and the reproduction ground equipment information input by the user are transmitted to the interface unit 520 .

(3) Display the contents of ACK, ACK of reproduction data, generation ACK of data storage file, information of specific items such as number of inquired data, generated file index and event inquiry.

(4) Upon receipt of the request ACK of the reproduction material, it transmits a reproduction data download command to the interface unit 520.

(5) Receives a reproduction data download completion message including the file name of the reproduction data from the interface unit 520.

(6) Load the data file selected by the user or downloaded.

(7) Store the data of the loaded file in CAT021 Replay Queue, CAT062 Replay Queue, RAW Replay Queue, FIS Replay Queue, CAT023 Replay Queue, CAT022 Replay Queue.

(8) CAT021 Replay Queue, CAT062 Decode the data recorded in the Replay Queue, RAW Replay Queue, and FIS Replay Queue by each field.

(9) The decoded CAT021, CAT062, RAW, and observation information are transmitted to the unit responsible for the display of each data. When transmitting the playback data, the transmission rate is adjusted according to the UTC time and the speed selected by the user, and the transmitted data is deleted from the queue.

(10) When the playback option of the management data is activated, the contents of CAT023 Replay Queue and CAT022 Replay Queue are displayed in a separate window in text form in accordance with the system UTC time and the user selected speed from the playback time designated by the user.

(11) Load the following playback data into the CAT021 Replay Queue, CAT062 Replay Queue, RAW Replay Queue, FIS Replay Queue, CAT023 Replay Queue, CAT022 Replay Queue.

(12) records a log according to the setting of the user, and reports the status of the unit to the monitoring management unit 550.

The aviation status display unit 530 can display the GUI of the aviation status display screen. For example, the aviation status display unit 530 can output an upper menu, an icon, a lower status bar and an entire frame, processes inputs such as a menu selection of a user, and displays a dialog for communicating with a user Box can be output. For example, the concrete operation for performing this is as follows.

(1) Initialization is performed when the aviation status display unit 530 is activated. In the initialization process, the setting file in which the flag setting of the aviation situation presenting unit 530 is recorded is loaded and the login information of the user is confirmed.

(2) If there is no user logged in, activate the user login dialog box with all menus disabled.

(3) When the user logs in, the user management unit 550 confirms the user login information of the monitoring management unit 550. Activate the menu according to the authority of the logged in user. If the logged in user is an administrator, all the menus and icons of the aviation status display unit 530 are activated. If the logged in user is a user, disable Replay related menus and icons, and activate related menus and icons. The user additional functions are provided to both the administrator and the user.

(4) Output the name, IP, and port of the server receiving the current monitoring information to the lower status bar.

(5) When the user selects the clock display option, it displays the current time synchronized to UTC in the lower status bar. If the user selects the mouse pointer position option, the mouse pointer queue is loaded and output.

(6) If there is a target to display a warning on the Warning Display Queue, the ICAO address and the critical status message of the target are loaded and outputted.

(7) When the user selects the menu, the on / off status of the selected menu item is output according to the flag bit. Thereafter, when the user selects an item, the corresponding flag bit is changed, or a dialog box is output to receive input from the user and change the corresponding variable.

(8) If user selects CD recorder, text editor, calculator, log viewer, screen capture tool, image viewer, PDF viewer menu, execute installed software.

(9) Disable all menus when the user logs out.

(10) records a log according to the setting of the user, and reports the status of the unit to the monitoring management unit (550).

The system status display unit 540 may display not only the system monitoring unit 510 but also the statuses of subsystems of the monitoring information providing unit, the traffic information managing unit, and the observation information managing unit. The system status indicator unit 540 displays a map for status display and can display the status of each subsystem on the map using SNMP and management data in the form of ASTERIX CAT022 or ASTERIX CAT023. In addition, the system status display unit 540 displays the detailed status of each subsystem in the auxiliary display window and can display an abnormal operation in the subsystem when it is found. For example, the concrete operation for performing this is as follows.

(1) When the system state display unit 540 is activated, initialization proceeds. Initializes the Status Display Queue, Mouse Pointer Queue, CAT023 Display Queue, CAT022 Display Queue, and ASV Event Display Queue, loads the system configuration file, and loads the user configuration flag. Also, set log storage level.

(2) Receive decoded ASTERIX CAT023 format management data and decoded ASTERIX CAT022 format management data, and store them in CAT023 Display Queue and CAT022 Display Queue.

(3) To analyze the state of AGB and UGB, use Data Source Identifier, Ground Station Status, Service Status and SNMP message of management data of ASTERIX CAT023 format. The CAT023 Display Queue field is checked for each device, and the MIB object of each device is loaded from the SNMP manager to check the field. When the value of each field exceeds the normal operation range, indicates an abnormal operation state, or receives an SNMP message indicating a system state abnormality, the system state occurrence flag is set to an abnormal state. When ASTERIX CAT023 formatted management data or the value of a field included in an SNMP message indicates the inoperable state, the management data of ASTERIX CAT023 format and SNMP message are not reported as more than the value set by the user, or When receiving an SNMP message notifying the system shutdown, set the system status indication flag to the fault status. Status Updates the status indication flags for each device stored in the display queue.

(4) Surveillance information The SNMP message is used for the status analysis of the traffic information management unit and the observation information management unit. The MIB object of each device is loaded from the SNMP manager and the field is checked. When the value of each field exceeds the normal operation range, the abnormal operation state is notified, or the SNMP message indicating the abnormal state of the system is received, the system state indication flag is set to an abnormal state. If the value of the field included in the SNMP message indicates that the SNMP message does not report the specified reporting period more than the value set by the user or if the SNMP message indicating the system shutdown is received, Set the flag to fault state. Status Updates the status indication flags for each device stored in the display queue.

(5) Decode the event message received from the interface unit 520 and store the ground equipment in which the position jump occurs, together with the number of times the position jump occurred, in the monitoring information providing unit Event Display Queue.

(6) The detail status of each equipment is displayed in the auxiliary display window. The detailed display window is configured for each equipment. In case of the monitoring information providing unit, the traffic information managing unit and the observation information managing unit, each device has hardware, network, data input / output, data filtering, log and system tabs. For AGB, TGB, UGB, it has hardware, network, output data, received data, self check, GPS, log, system tab. The CAT023 Display Queue, the CAT022 Display Queue, the ASV Event Display Queue, and the SNMP manager MIB object are loaded and displayed on the tab of the selected equipment of the user.

(7) When receiving the SNMP inform informing that the setting of the subsystem is changed and the contents to be received are included in the setting file, the changed contents are stored in the setting file.

(8) records a log according to the setting of the user, and reports the status of the unit to the monitoring management unit 550.

The system status display unit 540 may perform system remote control. For example, the system status display unit 540 can perform remote control such as changing or rebooting operation settings of each subsystem using SNMP. For example, the concrete operation for performing this is as follows.

(1) When the system state display unit 540 is activated, initialization proceeds. In the initialization process, the configuration file is loaded, the user log-in information of the monitoring management unit 550 is confirmed, and the log storage level is set.

(2) Activate or deactivate the Apply Settings button according to the user's authority. Network, data input / output, data filtering, log, system tab, AGB, TGB, UGB hardware, network, output of each equipment Activate all of the Apply Settings button on the Data, Received Data, Self-Check, GPS, Logs, and System tabs. If the logged-in ID is user, disable all setting application button.

(3) If there is an input from the user, after checking the authority of the user, modify the corresponding SNMP MIB object to generate SNMP inform.

(4) records a log according to the setting of the user, and reports the status of the unit to the monitoring management unit 550;

The system status display unit 540 may display a GUI on the system status display screen. For example, the system status display unit 540 may output an upper menu, an icon, a lower status bar, and an entire frame. The system status display unit 540 processes input such as menu selection of a user, Box can be output. For example, the concrete operation for performing this is as follows.

(1) When the system state display unit 540 is activated, initialization proceeds. In the initialization process, the configuration file in which the system status display and control software flag settings are recorded is loaded.

(2) If no user is logged in, activate the user login dialog box with all menus disabled.

(3) When the user logs in, user login information of the monitoring management unit 550 is confirmed. Activate the menu according to the authority of the logged in user. If the logged in user is an administrator, activate all menus and icons of the system status display and control software. If the logged in user is a user, disable menus and icons related to remote control, and activate menus and icons related to the remaining displays. The user additional functions are provided to both the administrator and the user.

(4) System Status When there is data in the Status Display Queue of the Display Unit 540, it is output to the lower status bar.

(5) When the user selects the clock display option, it displays the current time synchronized to UTC in the lower status bar.

(6) When the user selects the menu, the on / off status of the selected menu item is output according to the flag bit. If the user selects an item, the corresponding flag bit is changed.

(7) If user selects CD recorder, text editor, calculator, log viewer, screen capture tool, image viewer, PDF viewer menu, execute installed software.

(8) Disable all menus when the user logs out.

(9) records a log according to the setting of the user, and reports the status of the unit to the monitoring management unit 550.

The monitoring management unit 550 can perform state management of the system monitoring unit 510, periodically check the status of each unit, and check the status of each unit. The monitoring management unit 550 can restart the corresponding unit when a failure occurs in the unit, and determine the operation mode of the system monitoring unit 510 by checking the user authority. For example, the concrete operation for performing this is as follows.

(1) The system initializes the air condition display unit 530 and the system status display unit 540 by first loading the configuration file when the system is started.

(2) When the user logs in, the user is authenticated by checking the ID and P / W. When the authentication is successful, the operation mode, the administrator mode, and the user mode of the ADS-B system are determined.

(3) Start each software unit. Set the log storage level of each unit to the value set by the user at startup.

(4) Initialize the timer for each software unit and start counting.

(5) When receiving the status report message of each software unit, it initializes and counts the timer.

(6) When the timer of each software unit becomes 0, forcibly terminate the corresponding software unit and start again.

(7) If the restart of the software unit fails more than once, the software unit without status report is terminated and the terminal is opened to wait for the user to recover.

(8) Record the log according to the user's setting.

(9) When the user completes the recovery of the problematic unit, log out.

6 is a flowchart illustrating an ADS-B information processing method according to an embodiment.

In step 610, the ADS-B system may receive ADS-B (Automatic Dependent Surveillance-Broadcast) monitoring information, observation information, and air traffic information. For example, the ADS-B system can receive ADS-B monitoring information in ADS-B RAW format and ADS-B monitoring information in ASTERIX CAT021 format received from 1090ES ground equipment and UAT ground equipment. In addition, the ADS-B system can receive observation information including air traffic information and weather information including radar monitoring information.

In step 620, the ADS-B system can display current air conditions using ADS-B monitoring information, observation information, and air traffic information. The ADS-B system can determine the state of the aircraft using the ADS-B monitoring information and can display a warning message based on the state of the aircraft. The ADS-B system can determine whether the aircraft has entered a prohibited entry zone and whether the distance between the aircraft is within a predetermined range and display a warning message according to the determination result. The ADS-B system can identify the location of the aircraft based on the ADS-B monitoring information or the air traffic information, and can display the position of the identified aircraft by compositing or overlaying the route information and the terrain information.

The method according to an embodiment may be implemented in the form of a program command that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions to be recorded on the medium may be those specially designed and configured for the embodiments or may be available to those skilled in the art of computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media such as floppy disks; Magneto-optical media, and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. For example, it is to be understood that the techniques described may be performed in a different order than the described methods, and / or that components of the described systems, structures, devices, circuits, Lt; / RTI > or equivalents, even if it is replaced or replaced.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

110: ADS-B system 165: UAT ground equipment
120: system monitoring unit 170: observation information providing unit
130: Surveillance information provider 175: Air traffic management system
140: traffic information management unit 180: flight data processing unit
150: observation information management unit 185: monitoring data processing unit
160: 1090ES Ground Equipment 190: Radar

Claims (16)

A monitoring information providing unit for filtering the ADS-B (Automatic Dependent Surveillance-Broadcast) monitoring information collected from a plurality of ground equipment with respect to one aircraft and providing the filtering information to the air status display unit;
An observation information management unit for managing observation information including weather information;
A traffic information management unit for managing air traffic information including radar monitoring information; And
The ADS-B monitoring information, the observation information, and the air traffic information,
Lt; / RTI >
The monitoring information providing unit,
A validation process for filtering the damaged monitoring data by performing syntax checking and semantic checking on the ADS-B monitoring information, and ADS-B monitoring when there is a plurality of ADS- A QoS verification process for filtering surveillance data below the set value by performing a data duplication verification process and a quality of service (QoS) check for filtering the remaining monitoring data other than the most recently generated monitoring data by comparing the generation time of the monitoring information, And to determine whether the ADS-B surveillance information is abnormal or not by performing a position jump verification process for filtering surveillance data in which a position jump occurred based on the speed of the aircraft
ADS-B system. The method according to claim 1,
The monitoring information providing unit,
An ADS-B system that collects ADS-B monitoring information using a 1090ES (1090 MHz Extended Squitter) monitoring link and a Universal Access Transceiver (UAT) monitoring link. delete delete delete The method according to claim 1,
The monitoring information providing unit,
ADS-B system that changes the version of ADS-B monitoring information to be provided to the aviation situation presenting section so as to be suitable for use in the aviation situation display part. The method according to claim 1,
Wherein the observation information comprises:
An ADS-B system that includes an on-time observation report (METAR), an airport forecast (TAF), a dangerous weather report (SIGMET), a low altitude hazard weather report (AIRMET), a special observational report (SPECI) The method according to claim 1,
The air condition-
The ADS-B system judging the state of the aircraft using the ADS-B monitoring information, and displaying a warning message based on the state of the aircraft. 9. The method of claim 8,
The air condition-
The ADS-B system judges whether or not the aircraft has entered a predetermined prohibited entry zone and whether the distance between the aircraft is within a predetermined range and displays a warning message according to the judgment result. The method according to claim 1,
The air condition-
The ADS-B system identifies the location of the aircraft based on the ADS-B monitoring information or the air traffic information, and displays the position of the identified aircraft by combining or overlaying the route information and the terrain information. The method according to claim 1,
The system control unit controls the monitoring information providing unit, the observation information management unit, the traffic information management unit, and the aviation status display unit,
Further comprising an ADS-B system. Receiving ADS-B (Automatic Dependent Surveillance-Broadcast) monitoring information, observation information, and air traffic information;
Filtering the ADS-B monitoring information; And
Displaying the current air condition using the ADS-B monitoring information, the observation information, and the air traffic information
Lt; / RTI >
The ADS-B monitoring information is collected from a plurality of ground equipment for one aircraft,
The step of filtering the ADS-B monitoring information comprises:
A validation process for filtering the damaged monitoring data by performing syntax checking and semantic checking on the ADS-B monitoring information, and ADS-B monitoring when there is a plurality of ADS- A QoS verification process for filtering surveillance data below the set value by performing a data duplication verification process and a quality of service (QoS) check for filtering the remaining monitoring data other than the most recently generated monitoring data by comparing the generation time of the monitoring information, And to determine whether the ADS-B surveillance information is abnormal or not by performing a position jump verification process for filtering surveillance data in which a position jump occurred based on the speed of the aircraft
And an ADS-B information processing method. 13. The method of claim 12,
The method of claim 1,
Determining an ADS-B monitoring information using the ADS-B monitoring information, and displaying a warning message based on the state of the aircraft. 14. The method of claim 13,
The method of claim 1,
Determining whether or not an aircraft has entered a predetermined entry prohibited zone, determining whether a distance between the aircraft is within a predetermined range, and displaying a warning message according to the determination result. 13. The method of claim 12,
The method of claim 1,
Wherein the ADS-B monitoring information identifies the location of the aircraft based on the ADS-B monitoring information or the air traffic information, and displays the position of the identified airplane by compositing or overlaying with the route information and the terrain information. A computer-readable recording medium having recorded thereon a program for executing the method according to any one of claims 12 to 15.

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