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access icon free Jamming: The probable menace to NavIC

© The Institution of Engineering and Technology
Received 17/09/2018, Accepted 28/01/2019, Revised 17/12/2018, Published 30/01/2019

The impact of class-II jammer on NavIC receiver in L5 band is presented here. To understand the probable hazards of jammer, five cases cum observational studies are reconnoitred using different statistical time and frequency domain approaches. Interestingly, it is noticed that the Carrier-to-Noise Density Ratio (C/N 0) tends to zero when jamming scenario exist for a longer duration. The effect on NavIC is observed more for the static jammer than the dynamic jammer. The comparisons of correlation for different cases also validate the impact of jammer. The impact of jamming is also identified by different descriptive statistical parameters of the signals like mean, variance, standard deviation, and skewness. Among these statistical analyses, values of mean provide better observation.

Inspec keywords: jamming; probability; Global Positioning System; radio receivers; frequency-domain analysis; statistical analysis

Other keywords: NavIC receiver; static jammer; Carrier-to-Noise Density Ratio; dynamic jammer; frequency domain approaches; Navigation with Indian Constellation system; L5 band; statistical time; standard deviation; statistical analyses; descriptive statistical parameters; class-II jammer

Subjects: Satellite communication systems; Mathematical analysis; Electromagnetic compatibility and interference; Radionavigation and direction finding; Other topics in statistics

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