CN112669650B - Privacy protection method, system and storage medium based on ADS-B message - Google Patents
Privacy protection method, system and storage medium based on ADS-B message Download PDFInfo
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- CN112669650B CN112669650B CN202011382950.7A CN202011382950A CN112669650B CN 112669650 B CN112669650 B CN 112669650B CN 202011382950 A CN202011382950 A CN 202011382950A CN 112669650 B CN112669650 B CN 112669650B
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Abstract
The invention discloses a privacy protection method, a system and a storage medium based on ADS-B messages, and relates to the field of aerospace. The privacy protection method based on ADS-B message comprises the following steps: acquiring an airplane identification code of a first airplane to be protected; acquiring interference parameters of the first aircraft; carrying out route information processing on the interference parameters to obtain a false first route set; and broadcasting a first ADS-B flight parameter to each first airline in the first airline set through an ADS-B system period, wherein the first ADS-B flight parameter comprises corresponding flight information on the first airline and the airplane identification code. By broadcasting a plurality of pieces of second flight information containing the aircraft identification codes, an attacker cannot acquire real aircraft information through the aircraft identification codes in the intercepted information, so that the privacy of the aircraft is protected.
Description
Technical Field
The invention relates to the field of aerospace, in particular to a privacy protection method, a privacy protection system and a storage medium based on ADS-B messages.
Background
In recent years, broadcast automatic dependent surveillance system (ADS-B) technology has been widely popularized in the air traffic control field all over the world, is composed of multiple ground stations and airborne stations, and is a new air traffic control surveillance technology based on a global satellite positioning system and using air/ground and air/air data links to realize traffic monitoring and information transfer. The information of The position, the altitude, the speed, the course, the identification number and The like of The airplane is actively broadcasted in real time to The ground air traffic control system (ATC) or other airplanes, so that a controller can monitor The state of The airplane. At present, the operation is executed by the information broadcast by the airplane in a plain text, unencrypted and unauthenticated mode, the information of the airplane is easy to intercept, and the real information of the airplane can be acquired by using the airplane identification code in the intercepted information, so that the airplane can be attacked maliciously, and the flight safety of the airplane is reduced.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a privacy protection method, a privacy protection system and a storage medium based on ADS-B messages, and the safety of the first airplane to be protected in flight can be improved.
According to the embodiment of the first aspect of the invention, the method for privacy protection based on ADS-B messages comprises the following steps:
acquiring an airplane identification code of a first airplane to be protected;
acquiring interference parameters of the first aircraft;
carrying out route information processing on the interference parameters to obtain a false first route set;
and broadcasting a first ADS-B flight parameter to each first airline in the first airline set through an ADS-B system period, wherein the first ADS-B flight parameter comprises corresponding flight information on the first airline and the airplane identification code.
According to the above embodiments of the first aspect of the present invention, at least the following advantages are provided: by periodically sending the first ADS-B flight parameters generated when the first airlines fly according to each first airline in the first airline set, an attacker can intercept the first ADS-B flight parameters for interference and the second ADS-B flight parameters of the first aircraft, and at the moment, the authenticity of the second ADS-B flight parameters of the first aircraft can be confused by the first ADS-B flight parameters, so that the attacker cannot identify the real flight information of the first aircraft corresponding to the second ADS-B flight parameters according to the aircraft identification codes in the second ADS-B flight parameters of the first aircraft, and the flight process of the first aircraft can be protected under the condition that the ADS-B system is not changed, and the flight safety of the first aircraft to be protected is improved.
According to some embodiments of the first aspect of the present invention, the broadcasting, for each first airline of the first set of airlines, a first ADS-B flight parameter through an ADS-B system cycle, where the first ADS-B flight parameter includes flight information on the corresponding first airline and the aircraft identification code, includes the following steps:
respectively sending the information and the airplane identification code of each first air route to a second airplane so as to enable the second airplane to fly according to the allocated first air route;
the second airplane acquires flight information in a flight process in real time, and encapsulates the flight information and the airplane identification code to form the first ADS-B flight parameter;
and the second airplane broadcasts the first ADS-B flight parameters periodically through an ADS-B system.
By acquiring the real flight state of the second airplane, the authenticity of the first ADS-B flight parameter can be improved, so that an attacker cannot identify the authenticity of the information in the first ADS-B flight parameter, and the flight safety of the first airplane to be protected is improved.
According to some embodiments of the first aspect of the present invention, the obtaining the disturbance parameter of the first aircraft comprises:
acquiring the protection type of the first airplane and the information of a second air route;
and acquiring interference parameters according to the protection type, wherein the interference parameters comprise first flight path parameters in the information of the second flight path and/or a preset takeoff time interval.
By setting the protection type of the first airplane and generating the interference parameters according to the protection type, the information of the first airplane in different scenes can be protected.
According to some embodiments of the first aspect of the present invention, the protection types comprise a take-off and landing time protection, a take-off and landing place protection, a landing and landing place protection, a take-off and landing time and take-off place protection, a take-off and landing time and landing place protection, a take-off and landing time and a take-off and landing place protection;
the information for the second route of the first aircraft includes: the system comprises the following steps of taking off and landing time, taking off and landing places and landing place, wherein the taking off and landing time comprises the taking off time;
the method comprises the following steps of obtaining interference parameters according to the protection type, wherein the interference parameters comprise first airline parameters in the information of the second airline and/or a preset takeoff time interval, and comprises one of the following steps:
acquiring the first flight path parameter and the take-off time interval according to the take-off and landing time protection, wherein the first flight path parameter is the take-off place and the landing place of the information of the second flight path;
acquiring the first airline parameter according to the take-off place protection, wherein the first airline parameter is the take-off and landing time and the landing place of the information of the second airline;
acquiring the first airline parameter according to the landing place protection, wherein the first airline parameter is the take-off place and the take-off and landing time of the information of the second airline;
according to the protection of the taking-off and landing place, acquiring the first airline parameter, wherein the first airline parameter is the taking-off and landing time of the information of the second airline;
according to the take-off and landing time and take-off place protection, the take-off time interval and the first air route parameter are obtained, and the first air route parameter is the landing place of the information of the second air route;
acquiring the first flight path parameter and the takeoff time interval according to the take-off and landing time and landing point protection, wherein the first flight path parameter is the takeoff place of the information of the second flight path;
and acquiring the information of the takeoff time interval according to the take-off and landing time and the take-off and landing place protection.
According to some embodiments of the first aspect of the present invention, the information of the second route of the first aircraft further comprises a take-off and landing distance;
the method for processing the interference parameters to obtain a false first route set comprises the following steps:
obtaining a plurality of alternative take-off and landing points according to the interference parameters, wherein the alternative take-off and landing points are the optional take-off and landing points with the distances from all the optional take-off and landing points to the reference take-off and landing point and the closest take-off and landing distances;
acquiring a plurality of alternative takeoff times according to the interference parameters, wherein the alternative takeoff times are set as the takeoff times of the first airplane or obtained by randomly processing the takeoff time intervals;
and carrying out route planning on the alternative take-off and landing point, the reference take-off and landing point and the alternative take-off time to obtain the false first route set.
And generating alternative take-off and landing points, reference take-off and landing points and alternative take-off time in the route information of the airplane for interference by using the interference parameters, so that a plurality of routes for interference can be generated by route planning.
According to a second aspect of the present invention, a system for privacy protection based on ADS-B messages is provided, where the system for privacy protection based on ADS-B messages includes:
the terminal is used for acquiring an airplane identification code of a first airplane to be protected and information of a second air route;
the privacy protection center comprises a flight processing module, a flight executing module and an information receiving module, and the information receiving module is in communication connection with the terminal; the information receiving module is electrically connected with the voyage processing module; the flight processing module is used for generating a false first flight path set; the route execution module is electrically connected with the route processing module and is used for distributing each first route information in the first route set;
the aircraft comprises a flight information generation module, a flight control processing module and an airframe, wherein the flight control processing module is arranged in the airframe and is in communication connection with the air route execution module; the flight information generation module is used for acquiring the real-time flight state of the airplane body in real time and packaging the real-time flight state and a first ADS-B flight parameter packaged by the airplane identification code; the flight control processing module is used for broadcasting the first ADS-B flight parameters through the ADS-B period.
The system for privacy protection based on ADS-B messages of the second aspect applies any one of the methods for privacy protection based on ADS-B messages of the first aspect, so that all the advantages of the first aspect of the invention are achieved.
According to a third aspect of the present invention, a storage medium is provided, which includes computer-executable instructions stored therein, and the computer-executable instructions are configured to perform the method for privacy protection based on ADS-B messages according to the embodiment of the first aspect.
The system for privacy protection based on ADS-B messages in the third aspect applies any one of the privacy protection based on ADS-B messages in the first aspect, so that all the advantages of the first aspect of the invention are achieved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a diagram of the main steps of a privacy protection method based on ADS-B messages according to an embodiment of the present invention;
FIG. 2 is a step diagram of first ADS-B flight parameter generation and transmission according to an embodiment of the present invention;
fig. 3 is a diagram illustrating interference parameter acquisition steps according to an embodiment of the present invention;
FIG. 4 is a step diagram of first set of lanes generation of an embodiment of the present invention;
FIG. 5 is a diagram of steps for alternative take-off and landing point acquisition for an embodiment of the present invention;
fig. 6 is a system structure diagram of privacy protection based on ADS-B message according to an embodiment of the present invention.
Reference numerals:
the system comprises a terminal 100, a privacy protection center 200, a flight processing module 210, a flight line execution module 220, an information receiving module 230, a body 310, a flight control processing module 320 and a flight information generating module 330.
Detailed Description
In the description of the present invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions. The meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and the meaning of more than, less than, exceeding, etc. is understood as excluding the number, and the meaning of more than, less than, etc. is understood as including the number. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
A method, apparatus, system, and storage medium for privacy protection based on ADS-B messages according to the present invention are described with reference to fig. 1 to 6.
As shown in fig. 1, in a method for privacy protection based on ADS-B message according to an embodiment of the first aspect of the present invention, the method includes the following steps:
s100, obtaining an airplane identification code of a first airplane to be protected.
It should be understood that, in the ADS-B system, a first aircraft periodically broadcasts a flight status of the first aircraft in flight and an aircraft identification code encapsulated message, where the flight status of the first aircraft in flight and the aircraft identification code encapsulated message are second ADS-B flight parameters. The ground station and the attacker may identify the first aircraft based on the aircraft identification code of the first aircraft.
And S200, acquiring interference parameters of the first airplane.
It should be appreciated that the disturbance parameter is used to generate a parameter that disturbs a first course of the first aircraft.
And step S300, carrying out route information processing on the interference parameters to obtain a false first route set.
And S400, broadcasting a first ADS-B flight parameter to each first airline in the first airline set through an ADS-B system cycle, wherein the first ADS-B flight parameter comprises flight information and an airplane identification code on the corresponding first airline.
It should be understood that the flight information indicates environment information and flight status information of altitude, latitude, etc. required to be transmitted through the ADS-B during flight.
It should be understood that the first aircraft has planned a second route to be flown prior to takeoff, but is not published, so that for the first aircraft, the outside personnel can only obtain the true status of the first aircraft from the information in the ADS-B system.
It should be understood that the first airline is generated according to the interference parameter, and therefore, at least one first airline exists, wherein the takeoff time of the first airline is earlier than that of the first aircraft, or the takeoff time of the first airline is within a time interval between the takeoff time and the landing time of the first aircraft, or the takeoff time of the first airline is later than that of the first aircraft, and meanwhile, the flight information of the first ADS-B flight parameter and the flight information of the second ADS-B flight parameter of the first aircraft both indicate actual flight conditions.
Therefore, by periodically sending the first ADS-B flight parameters generated when flying according to each first airline in the first airline set, an attacker can intercept the first ADS-B flight parameters for interference and the second ADS-B flight parameters of the first aircraft, and at the moment, the authenticity of the second ADS-B flight parameters of the first aircraft can be confused by the first ADS-B flight parameters, so that the attacker cannot identify the real flight information of the first aircraft corresponding to the second ADS-B flight parameters according to the aircraft identification codes in the second ADS-B flight parameters of the first aircraft, and the flight process of the first aircraft can be protected under the condition that the ADS-B system is not changed, so that the flight safety of the first aircraft to be protected is improved.
It should be understood that when there are a plurality of first aircraft to be protected, the generation of the first set of routes and the transmission of the first ADS-B flight parameters may be performed for each first aircraft with reference to the method described above.
It should be understood that in some embodiments, a real aircraft may be simulated in the simulation system so that it may fly according to each first airline, while periodically generating the first ADS-B flight parameters and transmitting the first ADS-B flight parameters according to a period transmitted by the ADS-B system during the simulated flight. In other embodiments, a real second aircraft may also be employed for flight according to the first route.
In further embodiments of the first aspect of the present invention, as shown in fig. 2, step S400 comprises the steps of:
and S410, respectively sending the information of each first air route and the airplane identification code to a second airplane so as to enable the second airplane to fly according to the allocated first air route.
And step S420, the second airplane acquires flight information in the flight process in real time, and encapsulates the flight information and the airplane identification code to form a first ADS-B flight parameter.
It should be understood that the flight status is other information than the airplane identification code required in the ADS-B system message. The flight state can be acquired by using the existing airplane onboard equipment such as a GPS and the like.
And step S430, the second airplane broadcasts the first ADS-B flight parameters periodically through the ADS-B system.
Therefore, the authenticity of the first ADS-B flight parameter can be improved by acquiring the real flight state of the second airplane, so that an attacker cannot identify the authenticity of the information in the first ADS-B flight parameter, and the flight safety of the first airplane to be protected is improved.
As shown in fig. 3, in some embodiments of the first aspect of the present invention, step S200 comprises the steps of:
and S210, obtaining the protection type of the first airplane and the information of the second air route.
And S220, acquiring interference parameters according to the protection type, wherein the interference parameters comprise first flight path parameters in the information of the second flight path and/or a preset takeoff time interval.
It should be understood that the first route parameter is one or more of the take-off and landing time, landing point and take-off place in the information of the second route, and the first route parameter does not contain information that the protection type needs protection. If the type of protection requires protection of the time to take off and land, then the first route parameter does not include the time to take off and land for the first aircraft. Therefore, partial information of the second air route is set as the interference parameter, so that the first air route for interference contains the public information on the premise that the partial information of the second air route is published, and the protection strength of the first airplane can be improved.
It should be understood that in some embodiments, the takeoff time interval may be entered manually; in other embodiments, the departure and landing time in the information of the second flight path is automatically set, and if the departure time interval is set to be 6 hours earlier than the departure time in the information of the second flight path, the departure time in the information of the second flight path is 10 00, the landing time is 12.
Therefore, by setting the protection type of the first airplane and generating the interference parameters according to the protection type, the information of different scenes of the first airplane can be protected.
In some embodiments of the first aspect of the present invention, the protection types include take-off and landing time protection, take-off and landing place protection, landing and landing place protection, take-off and landing time and landing place protection; the information for the second route of the first aircraft includes: the system comprises the following steps of taking off and landing time, taking off and landing places and landing places, wherein the taking off and landing time comprises the taking off time; step S220 includes one of the following steps:
and according to the take-off and landing time protection, acquiring a first air route parameter and a take-off time interval, wherein the first air route parameter is the take-off place and the landing place of the information of the second air route.
It should be understood that when the protection type is take-off and landing time protection, one or more first routes in the first route set include a take-off place and a landing place of the first airplane, and the take-off time of the first routes is different from the take-off time of the first airplane.
And according to the protection of the takeoff place, acquiring a first air route parameter, wherein the first air route parameter is the take-off and landing time and the landing place of the information of the second air route.
It should be understood that when the protection type is take-off place protection, one or more first route sets exist in the first route set, wherein the one or more first route sets comprise take-off time and landing place of a first airplane, and the take-off place of the first route set is different from the take-off place of the first airplane.
And acquiring a first air route parameter according to the landing point protection, wherein the first air route parameter is the take-off place and the take-off and landing time of the information of the second air route.
It should be understood that when the protection type is landing point protection, one or more first routes in the first set of routes include a takeoff location and a takeoff and landing time of the first aircraft, and the landing point of the first route is different from the landing point of the first aircraft.
And according to the protection of the take-off and landing place, acquiring a first airline parameter, wherein the first airline parameter is the take-off and landing time of the information of the second airline.
It should be understood that when the protection type is take-off and landing site protection, the take-off time of one or more first air routes in the first set of air routes is the same as the take-off time of the first aircraft; and the landing point of the first airline is different from the landing point of the first aircraft and the takeoff point of the first airline is different from the takeoff point of the first aircraft.
And acquiring a take-off time interval and a first air route parameter according to the take-off and landing time and the take-off place protection, wherein the first air route parameter is a landing place of the information of the second air route.
It should be understood that when the protection type is take-off and landing time and take-off place protection, the landing place of one or more first air routes in the first set of air routes is the same as the landing place of the first airplane, the take-off place of the first air route is different from the take-off place of the first airplane, and the take-off time of the first air route is different from the take-off time of the first airplane.
And acquiring a first flight path parameter and a takeoff time interval according to the take-off and landing time and the landing point protection, wherein the first flight path parameter is the takeoff place of the information of the second flight path.
It should be understood that when the protection types are take-off and landing time and landing point protection, the take-off place where one or more first air routes exist in the first air route set is the same as the take-off place of the information of the second air route; and the landing point of the first air route is different from the landing point of the first airplane, and the take-off time of the first air route is different from the take-off time of the first airplane.
And acquiring information of the takeoff time interval according to the take-off and landing time and the take-off and landing place protection.
It should be understood that when the protection type is take-off and landing time and take-off and landing place protection, the take-off time of one or more first airlines in the first airline set is within a take-off time interval; and the takeoff time of the first air route is different from that of the first airplane, the landing point of the first air route is different from that of the first airplane, and the takeoff place of the first air route is different from that of the first airplane.
In some embodiments of the first aspect of the present invention, the information of the second route of the first aircraft further comprises a take-off and landing distance, as shown in fig. 4, and step S300 comprises the steps of:
and S310, acquiring a plurality of alternative take-off and landing points according to the interference parameters, wherein the alternative take-off and landing points are the optional take-off and landing points with the distances from the reference take-off and landing point to the reference take-off and landing point and the closest take-off and landing distance.
It should be understood that the alternative takeoff and landing points are locations that provide for the takeoff and landing of a real aircraft. When the interference parameter includes a takeoff point or a landing point of the first airplane, the takeoff point or the landing point of the first airplane is a reference takeoff and landing point. And when the interference parameters do not contain a take-off place and a landing place, randomly acquiring an optional take-off and landing point as a reference take-off and landing point by referring to the take-off and landing point. At this time, the selectable takeoff and landing point is different from the takeoff point and landing point of the first airplane. At this time, a circle is drawn with the reference take-off and landing point as the origin and the take-off and landing distance R as the radius, and as shown in fig. 5, a circle covering the first selectable take-off and landing point 6 is obtained by radiating inside and outside the circle with the circumference as the starting point, and at this time, the radius of the circle covering the selectable take-off and landing point 6 is R, and when | R-R | is the minimum, the selectable take-off and landing point 6 is the selectable take-off and landing point. When the reference take-off and landing point corresponds to the take-off place of the first airplane, the landing place point of the first air route is an alternative take-off and landing point; the take-off place of the first air route is a reference take-off and landing point. When the reference take-off and landing point does not correspond to the take-off place and the landing place of the first airplane, the reference take-off and landing point can be defined as the take-off place or the landing place of the first airline according to requirements. It should be understood that when the flight location and landing location are included in the disturbance parameters, the reference and alternative take-off and landing points correspond to the take-off location of the first aircraft and the landing location of the first aircraft.
And S320, acquiring a plurality of alternative takeoff times according to the interference parameters, wherein the alternative takeoff times are set as the takeoff times of the first airplane or are obtained by randomly processing a takeoff time interval.
It should be understood that when the first flight path parameter includes the time of departure and landing of the first aircraft, then the alternate departure time is the departure time in the first flight path parameter. And when the first flight path parameter comprises a takeoff time interval, randomly processing the takeoff time to obtain the takeoff time. In some embodiments, the random processing may obtain a plurality of alternative takeoff times by dividing the takeoff time interval into time segments and then numbering the time segments, and obtaining the numbers of different segments through random function processing.
And S330, carrying out route planning on the alternative take-off and landing point, the reference take-off and landing point and the alternative take-off time to obtain a false first route set.
It should be understood that the airline planning can be planned using equipment used in existing civil airline planning. The flight path planning needs to acquire a takeoff place, a landing place and a takeoff time of an airplane to be flown, so that when the alternative take-off and landing point, the reference take-off and landing point and the alternative takeoff time are determined, the flight path planning can be carried out to obtain a flight path track of a first flight path, and a first flight path set consisting of a plurality of first flight paths can be obtained.
Therefore, by generating the disturbance parameters into alternative take-off and landing points, reference take-off and landing points and alternative takeoff times in the route information of the aircraft for the disturbance, several routes for the disturbance can be generated through route planning.
According to a second aspect of the present invention, there is provided a system for protecting privacy based on ADS-B messages, as shown in fig. 6, the system for protecting privacy based on ADS-B messages includes:
the terminal 100 is used for acquiring an airplane identification code of a first airplane to be protected and information of a second airline;
the privacy protection center 200 comprises a flight processing module 210, a flight executing module 220 and an information receiving module 230, wherein the information receiving module 230 is in communication connection with the terminal 100; the information receiving module 230 is electrically connected with the voyage processing module 210; the flight processing module 210 is configured to generate a false first set of flights; the route execution module 220 is electrically connected with the route processing module 210, and the route execution module 220 is used for distributing each first route information in the first route set;
the aircraft comprises a flight information generation module 330, a flight control processing module 320 and an aircraft body 310, wherein the flight control processing module 320 is arranged in the aircraft body 310, and the flight control processing module 320 is in communication connection with the air route execution module 220; the flight information generating module 330 is configured to obtain a real-time flight status of the aircraft body 310 in real time, and encapsulate the real-time flight status and a first ADS-B flight parameter encapsulated by the aircraft identification code; the flight control processing module 320 is configured to broadcast the first ADS-B flight parameters through the ADS-B period.
The system for privacy protection based on ADS-B messages of the second aspect applies any one of the privacy protection based on ADS-B messages methods of the first aspect, so that all the advantages of the first aspect of the invention are achieved.
It should be understood that the aircraft may be a second aircraft or any other device that may be flown.
It should be understood that the above system may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. The terminal 100 is not limited to a PC computer, a mobile phone, or other communication devices.
According to a third aspect of the present invention, a storage medium is provided, which includes computer-executable instructions stored therein, and the computer-executable instructions are configured to perform the method for privacy protection based on ADS-B messages according to the first aspect.
The system for privacy protection based on ADS-B messages of the third aspect applies any one of the methods for privacy protection based on ADS-B messages of the first aspect, so that all the advantages of the first aspect of the invention are achieved.
It should be understood that the term storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. Storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer.
A system for applying privacy protection based on ADS-B messages according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 6 in a specific embodiment. It is to be understood that the following description is only exemplary, and not a specific limitation of the invention.
In the following, a civil aircraft is taken as a first aircraft which needs to protect a first landing place, and an aircraft is taken as a second aircraft for example.
As shown in fig. 1, as shown in step S100, the terminal 100 obtains an aircraft identification code of a first aircraft to be protected, a protection type, and information of a second airline. The terminal 100 transmits the aircraft identification code, the protection type, and the information of the second airline to the information receiving module 230 in the privacy protecting center 200. The information receiving module 230 forwards the aircraft identification code and the information of the second route to the route processing module 210.
Further, as shown in step S200, the flight processing module 210 obtains the interference parameter of the first aircraft according to the information acquired by the information receiving module 230.
Specifically, as shown in step S210 in fig. 3, the flight processing module 210 performs the following processing according to the protection type of the first aircraft and the information of the second route.
First, in step S220, the flight processing module 210 obtains an interference parameter according to the protection type, where the interference parameter includes a first flight path parameter in the information of the second flight path and/or a preset takeoff time interval.
Specifically, as in step S310 in fig. 4, a plurality of candidate take-off and landing points are obtained according to the interference parameter, where the candidate take-off and landing points are selectable take-off and landing points whose distances from the reference take-off and landing point to the reference take-off and landing point are closest to the take-off and landing distance.
Specifically, in step S320, a plurality of candidate takeoff times are obtained according to the interference parameters, where the candidate takeoff times are set as takeoff times of the first aircraft or obtained by performing random processing on the takeoff time intervals.
Specifically, in step S330, a route planning is performed on the alternative take-off and landing point, the reference take-off and landing point, and the alternative take-off time, so as to obtain a false first route set.
Specifically, when the protection type is the take-off and landing time, the take-off place of the first airline is the take-off place of the first airplane, and the landing place of the first airline is the landing place of the first airplane. Namely, the reference take-off and landing point and the alternative take-off and landing point respectively correspond to a take-off place of the first airplane and a landing place of the first airplane.
Specifically, when the protection types are take-off place protection, take-off and landing time and take-off place protection; and the reference lifting point is a landing point of the second air route information. And when the protection types are landing point protection, take-off and landing time and landing point protection, the reference take-off and landing point is a take-off place of the second airline information. And when the protection types are take-off and landing place protection, take-off and landing time and take-off and landing place protection, the reference take-off and landing point is an optional take-off and landing point which is randomly acquired. At this time, as shown in fig. 4, it is assumed that there are 7 selectable take-off and landing points near the reference take-off and landing point (the selectable take-off and landing points do not include the take-off point and the landing point of the first aircraft), where R is the take-off and landing distance of the first aircraft, and at this time, the reference take-off and landing point is the origin, and the radius is R, and when the circumference is radiated to the inside and outside of the circle by taking the circumference as the starting point, the circumference (radius is R) of the radiated circle where the selectable take-off and landing point 6 is located is closest to the reference take-off and landing point, that is, when | R-R | is minimum. At this time, the alternative take-off and landing point is an optional take-off and landing point on a circle with the reference take-off and landing point as an origin and the radius of R. At the moment, when the reference take-off and landing point corresponds to the take-off place of the first airplane, the reference take-off and landing point is the take-off place of the first air route, and the alternative take-off and landing point is the landing place of the first air route; when the reference take-off and landing point corresponds to the landing point of the first airplane, the reference take-off and landing point is the landing point of the first air route, and the alternative take-off and landing point is the take-off place of the first air route. Otherwise, the alternative take-off and landing point and the reference take-off and landing point of the first airline can be set as the alternative take-off and landing point or the reference take-off and landing point manually.
Specifically, when the protection types are take-off and landing time protection, take-off and landing time and take-off place protection, take-off and landing time and landing place protection, and take-off and landing time and take-off and landing place protection, the alternative take-off time is obtained by randomly processing the take-off time interval. When the protection types are take-off and landing place protection, landing place protection and take-off place protection, the alternative take-off time is the take-off time of the first airplane, and the take-off time of the first airline is the alternative take-off time.
At the moment, the air route planning is carried out according to the takeoff time, the takeoff place and the landing place of the first air route, so that a first air route set can be obtained.
At this point, the course processing module 210 outputs the first set of routes to the route execution module 220.
The airline execution module 220 obtains a first set of airlines and obtains an aircraft identification code from the information receiving module 230.
Further, as shown in step S410 in fig. 2, the flight path executing module 220 sends the information of each first flight path and the aircraft identification code to the second aircraft, respectively, so that the second aircraft flies according to the assigned first flight path.
Further, in step S420, the second aircraft obtains flight information in the flight process in real time, and encapsulates the flight information and the aircraft identification code to form the first ADS-B flight parameter.
Further, as shown in step S430, the second aircraft periodically broadcasts the first ADS-B flight parameters through the ADS-B system.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. A privacy protection method based on ADS-B message is characterized by comprising the following steps:
acquiring an airplane identification code of a first airplane to be protected;
obtaining an interference parameter of the first aircraft;
carrying out route information processing on the interference parameters to obtain a false first route set;
broadcasting a first ADS-B flight parameter to each first airline in the first airline set through an ADS-B system period, wherein the first ADS-B flight parameter comprises corresponding flight information on the first airline and the aircraft identification code;
wherein the obtaining of the disturbance parameter of the first aircraft comprises the following steps:
obtaining the protection type of the first airplane and the information of a second air route; the protection types comprise take-off and landing time protection, take-off and landing place protection, take-off and landing time and take-off place protection, take-off and landing time and landing place protection and take-off and landing time and landing place protection; the information for the second route of the first aircraft includes: the system comprises the following steps of taking off and landing time, taking off and landing places and landing place, wherein the taking off and landing time comprises the taking off time;
acquiring interference parameters according to the protection type, wherein the interference parameters comprise first flight path parameters in the information of the second flight path and/or a preset takeoff time interval;
obtaining an interference parameter according to the protection type, wherein the interference parameter comprises a first flight path parameter in the information of the second flight path and/or a preset takeoff time interval, and the method comprises one of the following steps:
according to the take-off and landing time protection, acquiring the first airline parameters and the take-off time interval, wherein the first airline parameters are the take-off place and the landing place of the information of the second airline;
acquiring the first airline parameter according to the take-off place protection, wherein the first airline parameter is the take-off and landing time and the landing place of the information of the second airline;
acquiring the first airline parameter according to the landing place protection, wherein the first airline parameter is the take-off place and the take-off and landing time of the information of the second airline;
acquiring the first route parameter according to the protection of the take-off and landing place, wherein the first route parameter is the take-off and landing time of the information of the second route;
acquiring the takeoff time interval and the first airline parameter according to the take-off and landing time and the take-off place protection, wherein the first airline parameter is the landing place of the information of the second airline;
acquiring the first flight path parameter and the takeoff time interval according to the take-off and landing time and landing point protection, wherein the first flight path parameter is the takeoff place of the information of the second flight path;
and acquiring the information of the takeoff time interval according to the take-off and landing time and the take-off and landing place protection.
2. The ADS-B message based privacy protection method of claim 1,
broadcasting a first ADS-B flight parameter to each first airline in the first airline set through an ADS-B system cycle, wherein the first ADS-B flight parameter comprises corresponding flight information on the first airline and the aircraft identification code, and the method comprises the following steps:
respectively sending the information of each first air route and the aircraft identification codes to a second aircraft so as to enable the second aircraft to fly according to the assigned first air route;
the second airplane acquires flight information in a flight process in real time, and encapsulates the flight information and the airplane identification code to form the first ADS-B flight parameter;
and the second airplane broadcasts the first ADS-B flight parameters periodically through an ADS-B system.
3. The ADS-B message based privacy protection method of claim 1,
the information for the second flight path of the first aircraft further includes a takeoff and landing distance;
the method for processing the interference parameters to obtain a false first route set comprises the following steps:
obtaining a plurality of alternative take-off and landing points according to the interference parameters, wherein the alternative take-off and landing points are the optional take-off and landing points with the distances from all the optional take-off and landing points to the reference take-off and landing point and the closest take-off and landing distances;
acquiring a plurality of alternative takeoff times according to the interference parameters, wherein the alternative takeoff times are set as the takeoff times of the first airplane or are obtained by randomly processing the takeoff time intervals;
and carrying out route planning on the alternative take-off and landing point, the reference take-off and landing point and the alternative take-off time to obtain the false first route set.
4. A privacy protection system based on ADS-B messages, comprising:
the terminal is used for acquiring an airplane identification code of a first airplane to be protected and information of a second air route;
the privacy protection center comprises a flight distance processing module, a flight distance execution module and an information receiving module, and the information receiving module is in communication connection with the terminal; the information receiving module is electrically connected with the voyage processing module; the flight processing module is used for generating a false first flight path set; the flight path execution module is electrically connected with the flight path processing module and is used for distributing each first flight path information in the first flight path set;
the aircraft comprises a flight information generation module, a flight control processing module and an airframe, wherein the flight control processing module is arranged in the airframe and is in communication connection with the air route execution module; the flight information generation module is used for acquiring the real-time flight state of the aircraft body in real time and packaging the real-time flight state and the first ADS-B flight parameters encapsulated by the aircraft identification code; the flight control processing module is used for broadcasting the first ADS-B flight parameters through an ADS-B period;
wherein the obtaining of the interference parameter of the first aircraft comprises the following steps: acquiring the protection type of the first airplane and the information of a second air route; the protection types comprise take-off and landing time protection, take-off and landing place protection, take-off and landing time and take-off place protection, take-off and landing time and landing place protection and take-off and landing time and landing place protection; the information for the second route of the first aircraft includes: the system comprises the following steps of taking off and landing time, taking off and landing places and landing place, wherein the taking off and landing time comprises the taking off time; acquiring interference parameters according to the protection type, wherein the interference parameters comprise first airline parameters in the information of the second airline and/or a preset takeoff time interval; obtaining an interference parameter according to the protection type, wherein the interference parameter comprises a first flight path parameter in the information of the second flight path and/or a preset takeoff time interval, and the method comprises one of the following steps:
according to the take-off and landing time protection, acquiring the first airline parameters and the take-off time interval, wherein the first airline parameters are the take-off place and the landing place of the information of the second airline;
acquiring the first airline parameter according to the take-off place protection, wherein the first airline parameter is the take-off and landing time and the landing place of the information of the second airline;
acquiring the first route parameter according to the landing point protection, wherein the first route parameter is the take-off place and the take-off and landing time of the information of the second route;
according to the protection of the taking-off and landing place, acquiring the first airline parameter, wherein the first airline parameter is the taking-off and landing time of the information of the second airline;
according to the take-off and landing time and take-off place protection, the take-off time interval and the first air route parameter are obtained, and the first air route parameter is the landing place of the information of the second air route;
acquiring the first airline parameter and the takeoff time interval according to the taking-off and landing time and the landing point protection, wherein the first airline parameter is the takeoff place of the information of the second airline;
and acquiring the information of the takeoff time interval according to the take-off and landing time and the take-off and landing place protection.
5. A storage medium comprising computer-executable instructions stored thereon for performing the method of ADS-B message based privacy protection of any one of claims 1 to 3.
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