METHOD OF SIMULATING RADIO INTERFERENCE CREATION FOR GLOBAL NAVIGATION SATELLITE SYSTEM CONSUMERS NOISE-IMMUNE NAVIGATION EQUIPMENT Russian patent published in 2025 - IPC H04K3/00 G01S19/21 

FIELD: radio engineering.

SUBSTANCE: invention relates to radio engineering and specifically to methods of generating deliberate simulating radio interference for consumer navigation equipment (CNE) of a global navigation satellite system (GNSS). In the disclosed method, for each “visible” NS, N false navigation signals are generated and emitted, differing from each other on delay and Doppler frequency, which is necessary for separate reception of false navigation signals in GNSS CNE, and on power. At that, power value of emitted false navigation signals P_fns,n is set discretely in the interval from P_fns,min to P_fns,max with a pitch ΔP_AS, corresponding to value of protective interval of anti-spoofing algorithm (AS) of noise-immune GNSS CNE. This provides an increase in the size of the suppression zone, within which the "imposition" of false navigation signals of the noise-immune GNSS CNE is provided, using an anti-spoofing algorithm based on the analysis of the energy characteristics of the received navigation signals, due to the fact that for each n-th false navigation signal (fns,n) an n-th partial suppression zone (PSC_n) is formed, within which the power of the n-th false navigation signal at the input of the receiver of the noise-immune GNSS CNE will vary from (at its farthest boundary) to (at its near boundary). Combination of all N partial suppression zones for all N false navigation signals will cover the entire given area.

EFFECT: larger suppression zone within which imposition of false navigation signals of a noise-immune GNSS CNE using an anti-spoofing algorithm based on analysis of energy characteristics of received signals is provided, to the size of the entire given area.

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