DIGITAL DATA TRANSFER DEVICE Russian patent published in 2006 - IPC H04B7/00 

FIELD: broadband radio communication systems using noise-like signals.

SUBSTANCE: proposed device that can be primarily used in Doppler communication systems has AND circuit, code pseudorandom sequence generator, switch, and modulo two adder newly introduced in transmitter. Newly introduced in receiver of proposed device are multiplier, band filter, two amplitude detectors, adder, code pseudorandom sequence generator, two shift registers, coincidence adder, threshold unit, and modulo two adder with relevant interconnections. This device makes it possible to reduce pull-in time due to shaping long synchronizing pseudorandom sequence by modulo two addition of information and one time step elongated pseudorandom sequences orthogonal to synchronizing one thereby enabling use of longer pseudorandom synchronizing sequences.

EFFECT: enhanced immunity of device to simulated noise.

1 cl, 4 dwg