COHERENT RADIO LINE Russian patent published in 2012 - IPC H04L27/18 

FIELD: radio engineering.

SUBSTANCE: coherent radio line comprises a source 1 of discrete messages, a coding device 2, the first 3 and second 8 modulators, the first 4 and second 9 high-frequency generators, the first 5 and second 10 transmitters, the first 6 and second 11 transmitting antennas, a pseudorandom sequence generator 7 (PSG), a receiving antenna 12, a receiver 13, the first 14, second 19 and third 20 synchronous detectors, a unit 15 of searching by frequency, a unit 16 of reference voltage separation, a phase changer 17 by -30°, a phase changer 18 by +30°, the first 21 and second 23 subtractors, a phase changer 22 by +90°, a decoding device 24, a unit 25 of registration and analysis, a digital scrambler 26 and a digital descrambler 27.

EFFECT: expansion of functional capabilities of a coherent radio line by means of cryptographic protection of confidential discrete information.

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