DATA TRANSMISSION SYSTEM WITH CODE MULTIPLEXING AND STEGANOGRAPHIC PROTECTION OF MESSAGES Russian patent published in 2024 - IPC H04L9/22 

FIELD: data transmission systems.

SUBSTANCE: data transmission system comprises M circuits OR transmitter 3, M × n key circuits AND transmitter 4, frequency modulator 8, phase manipulator 10, generator of n = M-bit pseudorandom sequence of transmitter first 11, generator of clock pulses 12, generator of n = M-bit pseudorandom sequence of transmitter of second 13, binary decoder of transmitter 14, communication entry unit 16, consisting of a radio frequency band-pass amplifier, a phase-locked loop system and a delay tracking system, an information frequency demodulator 17, synchronization system 18, a receiver orthogonal binary sequence generator 24, M receiver polar code generators 20, M receiver OR circuits 22, M × n key circuits AND receiver 23, generator of n = M-bit pseudorandom sequence of receiver 25, binary decoder of receiver 26.

EFFECT: reduced probability of random guesses of key signals.

1 cl, 2 dwg