COMMUNICATION SYSTEM USING NOISE-LIKE SIGNALS Russian patent published in 2006 - IPC H04B7/00 

FIELD: electrical engineering; radio communications; data transfer using noise-like signals.

SUBSTANCE: newly introduced in proposed system are shift register, switches, and counter; shift register input is connected to forward-channel transmitter phasing device and its output is connected directly and through counter to respective inputs of return-channel phasing device; switch is connected to return-channel transmitter output between antenna and controllable transmitting filter; synchronizing device of forward-channel receiver is connected to switch and to return-channel transmitter phasing device.

EFFECT: enhanced noise immunity.

1 cl, 2 dwg