Reduction research on performance index system of satellite navigation system spoofing

Sun

IET Control Theory & Appl

2023

This paper realizes the evaluation and optimal decision of the spoofing effect on the global navigation satellite system (GNSS) under navigation countermeasures based on the game perspective, to overcome the limitations of current relevant research findings and maintain the secure application of the GNSS and maximize its defensive benefit during countering. An evaluation system based on the perspective of the game between spoofing strategies and defense measures is created to build the benefit matrix, which can solve the limitation in building a benefit matrix (the vital element in a game) that conforms to the confrontation‐oriented GNSS spoofing properties. Based on the built benefit matrix, a method integrating the grey expert‐based system with the hybrid evolutionary method is developed to realize quantifying the matrix and further make the optimal decision stably, which can solve the uncertainties of qualitative indices during quantifying and no global optimal solution for benefit equations deduced from the quantified matrix. Finally, based on various judgment principles, simulation and testing results verify the effectiveness of the obtained results and the superiority of the proposed method by comparing the results solved by the method in this paper with the results obtained by other decision‐making processing methods.

Section: Evaluation System Of the Gnss Spoofing Effect Based On The G...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Optimal decision for the satellite navigation system under navigation countermeasures based on spoofing effect evaluation results

Sun

IET Control Theory & Appl

2023

Advances in Transdisciplinary Engineering

“…From Equation (5), in the process of this effect resulting in substructural failure, if the surface area of the compartment and its inside volume increase, the slower the operating temperature in the compartment falling to ambient temperature is for the same perforating area, accordingly, the larger the corresponding Area FC th becomes, the smaller the Prob LP is.…”

Section: Local Perforating Destructive Probabilitymentioning

confidence: 99%

“…Efficacy evaluation focuses on a certain system. Through operational research methods, it determines the action plan of GNSS when facing deliberate threats and obtains the optimal solution to evaluate the benefit of GNSS (or the losses suffered in the antagonistic process) and expand the benefit by updating the plan [4,5]. Furthermore, performance evaluation is the foundation for the efficacy evaluation.…”

Section: Introductionmentioning

confidence: 99%

Research on Critical Active Protection Performance Evaluation Methods for the Global Navigation Satellite System in Satellite Navigation Countermeasures

Wang,

Sun,

Wang

2023

This paper proposes an all-sided performance evaluation system including the test system with its evaluation models and detection methods for satellite navigation countermeasures to meet the manufacturers’ needs for improving critical performance in production and design and satisfy the decision-makers’ demands for expanding the benefit of the global navigation satellite system (GNSS) in game. GNSS are adopted as the evaluation object, and a performance test system are established around the composition of the GNSS, the properties of satellite navigation countermeasures and their performance evaluation principles, solving the one-sidedness and imperfection in current evaluation systems. Subsequently, the evaluation models for performance indices and their detection methods are proposed around the active protective capabilities including disturbing the GNSS users and destroying its ground control segment and spatial satellite segment, as the basis for realizing the performance evaluation and quantitative analysis. Finally, the impact of each performance on the corresponding ability is analyzed through case-based simulations and tests, whose obtained results can propel the decision-makers into selecting the optimal strategy and further maximizing the protective benefit of the GNSS.

“…The performance evaluation focuses on specific technologies and conducts on evaluations by modeling performance indices for the inherent attributes in an object and carrying out simulation tests [2] [3], to put forward suggestions for improving, and complete performance optimization. The efficacy evaluation, also known as optimal decision-making, focuses on a certain system or various subsystems in satellite navigation countermeasures, and conducts on evaluations by operational research methods and artificial intelligence algorithms, to determine the action plan for the GNSS during countering, obtain the optimal solution, and stabilize GNSS defensive benefit and then expand its benefit by updating the plan [4] [5]. Therefore, the Performance evaluation is the critical foundation.…”

Section: Introductionmentioning

confidence: 99%

Defensive Performance Evaluation Methods of the GNSS for Satellite Navigation Countermeasures

Wang,

Sun,

Wang

2024

IEEE Access

Self Cite

This study presents a comprehensive performance evaluation system of the global navigation satellite system (GNSS) oriented to satellite navigation countermeasures, including evaluation model, detection method, and overall evaluation method. The obtained results can further meet the needs of manufacturers to improve critical defensive performance in production and design, and meet the demands of decision-makers to achieve optimal decision-making by expanding the GNSS defensive benefits in the antagonistic process. Taking GNSS as the evaluation object, a performance index system is established around the composition of GNSS and its performance evaluation principles, which solves the one-sidedness and imperfection of the existing index systems. Then, around the user-, space-, and ground-segment defensive capabilities, their evaluation models of performance indices corresponding to each capability and their detection methods, as well as an overall evaluation method, are proposed to realize the performance evaluation and quantitative analysis. Finally, the influence law of each performance evaluation result on the corresponding capability under different damage situations is analyzed by case-based simulation and actual measurement. Therefore, the GNSS defensive performance can be improved by decreasing the jamming-to-signal ratio threshold received by the user, jamming success rate, SISRE, and UERE, try to decrease the difference between the results (PDOP availability and spatial signal continuity) in a secure situation and those in one damage situation, and increasing the tracking ability of ground stations and their communication anti-jamming ability. The obtained results would be used to complete action plan determination and comprehensive evaluation verification, and further select the optimal strategy and maximize the defensive benefit for the GNSS during countering.