METHOD OF TRANSMITTING AND RECEIVING DIGITAL INFORMATION Russian patent published in 2011 - IPC H04L5/00 

FIELD: information technology.

SUBSTANCE: according to the method of transmitting and receiving digital information, a digital signal is divided into M bit packets, each packet of digital information, which is the i-th (i∈1…K) binary code combination, is juxtaposed and replaced by an analogue harmonic signal of defined duration at the corresponding frequency ω_i by comparing the current packet of incoming digital information with reference code combinations, and the juxtaposed harmonic signal is then amplified and transmitted over a communication channel. At the receiving side, there is simultaneous reception at all frequencies from the range of frequencies used by the transmitter and a decision is made on the value of frequency ω_i of the obtained signal based on filtration. Reverse juxtaposition of the i-th reference code sequence is then performed and generated and output for the digital information receiver.

EFFECT: improved electromagnetic compatibility inside a radio communication system, improved information security of sent messages and noise-immunity of the communication system.

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