COMMUNICATION SYSTEM Russian patent published in 2006 - IPC H04B7/00 

FIELD: radio engineering, possible use in information transfer systems.

SUBSTANCE: system contains at transmitting side: generator of bearing and clock frequencies, generator of orthogonal pseudo-random series, generator of pseudo-random series, first and second multipliers, phasing block, phase shifter for 90°, first phase manipulator, adding block and transmitter, and at receiving side - serially connected, receiver, first synchronization block, generator of pseudo-random series, first multiplier, first band filter and first phase detector, serially connected, generator of orthogonal pseudo-random series, second multiplier and second band filter. Additionally included at transmitting side are, serially connected, generator of informational pseudo-random series and third multiplier, second phase manipulator, random-access memory block and reverse channel receiver. At receiving side included additionally are, serially connected, interference situation analyzer and reverse channel transmitter, serially connected, second synchronization block, generator of pseudo-random informational series, third multiplier, controllable band filter, second phase detector, random-access memory block and control block.

EFFECT: increased resistance to interference.

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