Method for realizing distributed ADS-B passive positioning anti-spoofing function on basis of opportunity reference sources

An ADS-B, passive positioning technology, applied in information security, aircraft safety monitoring and information security cross fields, can solve the problems of system complexity, interference, high cost, etc., achieve convenient deployment and maintenance, alleviate heavy dependence, system low cost effect
CN109541538AActive Publication Date: 2019-03-29EAST CHINA UNIV OF SCI & TECH +1
7 Cites 19 Cited by

Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
EAST CHINA UNIV OF SCI & TECH
Publication Date
2019-03-29

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention relates to a method for realizing a distributed ADS-B passive positioning anti-spoofing function on basis of opportunity reference sources. The method comprises the following steps of: (1) carrying out track processing by an ADS-B system and eliminating interference information and screening wrong messages; (2) carrying out relative position goodness fit verification by the ADS-B system; (3) selecting an opportunity reference source suitable for multi-site synchronization and high in local arrival time TOA measurement accuracy from a trusted group; (4) calculating a local arrivaltime TOA synchronization correction value of each station by using position information in messages of the opportunity reference source and position information of each station; (5) carrying out passive positioning on ADS-B target sources through an arrival time difference; and (6) detecting and reporting spoofing ADS-B source. By adoption of the method, the functions of spoofing ADS-B message detection and spoofing source positioning can be realized at the same time through receiving ADS-B signals by a plurality of ADS-B receivers; and the method has the characteristics of being good in detection performance and low in system and realizing spoofing source positioning.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the field of information security, in particular to the cross technical fields of aircraft security monitoring and information security, and specifically refers to a method for realizing distributed ADS-B passive positioning and anti-spoofing functions based on opportunistic reference sources. Background technique

[0002] Automatic Dependent Surveillance-Broadcast (ADS-B) is to use the airborne navigation sensor system to obtain information such as the precise position and speed of the aircraft, and use the air-ground and air-air data links to automatically broadcast to the outside to complete the aircraft status monitoring and information transmission. new traffic surveillance technology. The ADS-B system adopts an open data protocol, which has the characteristics of high monitoring accuracy, fast data update rate, strong information integrity, low terminal cost, and easy maintenance. widely used. However, the system also h...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More