gyroscopyГироскопия и навигацияGiroskopiya i Navigatsiya0869-70352075-0927AO «Концерн «ЦНИИ «Электроприбор»10.17285/0869-7035.2016.24.1.100-115gyroscopy-340Research ArticleСтатьиОбнаружение спуфинг-атак на сигналы ГНСС с использованием двухантенных измерений и данных ИНСINS-Aided GNSS Spoofing Detection Based on Raw Pseudorange and Carrier Phase MeasurementsЛюЯ.LiuY.

Лю Я, аспирант

ЛиС.LiS. H.

Ли С, доктор наук

СяоC.XiaoX.

Сяо C

ФуЦ.FuQ. W.Школа автоматики, северо-западный политехнический университет, г. СианьКитайSchool of Automation, Northwestern Polytechnical University, Xi’anChina201601122025241100115Copyright © Лю Я., Ли С., Сяо C., Фу Ц., 20252025Лю Я., Ли С., Сяо C., Фу Ц.Liu Y., Li S., Xiao X., Fu Q.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.gyroscopy.ru/jour/article/view/340

Спуфинг применительно к глобальным навигационным спутниковым системам (ГНСС) – это технология умышленного искажения вырабатываемых приемником координат и времени. Показано, что ввод в состав интегрированной системы ГНСС/ИНС еще одного недорогого ГНСС-приемника позволяет эффективно обнаружить наличие спуфинга. Анализируются модели вторых разностей псевдодальности и фазы несущей при нормальных условиях и при спуфинге. С использованием инерциальной навигационной системы (ИНС), наблюдения вторых разностей рассчитываются и сравниваются с фактическими измерениями с целью создания тестовой статистики. Предлагается алгоритм обнаружения спуфинга для заданного значения вероятности ложной тревоги. Приводятся результаты его натурных испытаний на неподвижном основании.

GNSS Spoofing is a technique that intentionally fools a receiver into generating incorrect position and/or time solution. A low cost GNSS receiver is added to the widely existed GNSS/INS system to achieve effective spoofing detection. Models of pseudorange/carrier phase double difference under normal and spoofing conditions are built and analyzed. With the aid of INS, double difference observations are calculated and compared with the actual measurements to construct the test statistic. A full detection process with constant false alarm rate is set up and its detection ability is verified by live signal experiment in a static case.

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The authors declare that there are no conflicts of interest present.