RADIO COMMUNICATION LINE WITH MULTI-PARAMETER MODULATION Russian patent published in 2008 - IPC H04B7/04 

FIELD: radio communications, possible use in space and ground-based communication systems.

SUBSTANCE: device contains, at transmitting side: signal generator, mixers, band filters, threshold blocks, interference situation analyzer, memory block, block for processing and making a decision, frequency synthesizer, heterodyne frequency commutator, supporting generator, impulse generator, two impulse counters, two amplitude modulators, electronic keys, anti-phase amplifier, two directional couplers, irradiators of transmitting antenna, adder, two inverters, at receiving side: subtracter, demodulator of additional messages, three filters of lower frequencies, decoding block, adder, amplitude limiter, block for controlling polarization position of receiving antenna irradiators, demodulator of main messages, second frequency synthesizer, receiver mixer.

EFFECT: increased interference resistance.

3 dwg