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A Distributed Trusted Radio Navigation System Architecture Design Method

A technology of radio navigation and system architecture, which is applied in the field of distributed trusted radio navigation system architecture design, can solve problems such as radio navigation system deception and interference, and achieve the effect of strong engineering realizability and flexible method structure

Active Publication Date: 2020-09-01
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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  • Abstract
  • Description
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Problems solved by technology

[0007] The purpose of the present invention is to solve the problem of spoofing interference in radio navigation systems including satellite navigation and ground-based navigation, and propose a distributed trusted radio navigation system architecture design

Method used

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  • A Distributed Trusted Radio Navigation System Architecture Design Method

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] The system consists of a system operation control center, N navigation sources (N≥3) and a dedicated navigation terminal. The user realizes positioning and timing by receiving navigation signals from M navigation signal sources. The accompanying drawings are examples for illustration. Four navigation sources are designed in the embodiment of the drawings.

[0023] The specific implementation steps are as follows:

[0024] (1) The system operation control center generates the original message information {M1_a, M2_a, M3_a, M4_a} of multiple navigation sources. The original message contains the reference position information of each navigation source and other information necessary to complete positioning and timing; and multiple The navigation source performs mixed encoding processing on the original message information flow {M1_a, M2_a, M3_a, M4...

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Abstract

Aiming at the fact that the current radio navigation system is susceptible to spoofing interference, the present invention proposes a distributed trusted radio navigation system architecture design method. The method mainly focuses on the design of the navigation system composition and navigation signal generation and sending and receiving methods. The improvement of the radio navigation system architecture and signal broadcasting mode realizes effective countermeasures including navigation deception and greatly improves the security of radio navigation systems including satellite navigation.

Description

technical field [0001] The invention relates to the field of satellite positioning and navigation technology and communication, in particular to a method for designing a distributed trusted radio navigation system architecture. Background technique [0002] After years of development, radio navigation with satellite navigation and ground-based navigation as the main application forms has been widely used in various industries of the national economy and military operations, and has played an important role. [0003] Radio navigation has outstanding advantages such as wide service range, high navigation and positioning accuracy, and convenient use. The most widely used satellite navigation system can provide full-time continuous positioning, timing and navigation services for the whole world by broadcasting navigation signals through dozens of satellites deployed in space orbit. While the navigation and positioning based on the radio system has the above-mentioned outstandin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S19/12G01S19/21G01S19/46
CPCG01S19/12G01S19/215G01S19/46
Inventor 鲍亚川蔚保国郑晓冬魏海涛树玉泉肖遥
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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