COHERENT RECEIVER OF MODULATED SIGNALS WITH A SHIFT OF MULTI-CHANNEL COMMUNICATION SYSTEM (OQPSK) WITH CODE SEPARATION OF CHANNELS Russian patent published in 2005 - IPC

FIELD: transmission of information, applicable in cellular and satellite communication systems.

SUBSTANCE: the receiver has two frequency converters, two quadrature correlators, phase error filter, controlled oscillator, two control elements, error delay filter, controlled clock oscillator, reference signal generator, two multipliers, two analog-to-digital converter, delay line, demodulator, decoder, two matched filters, phase shifter.

EFFECT: enhanced power efficiency of the communication system.

2 cl, 3 dwg