RADIO LINK Russian patent published in 2003 - IPC

FIELD: radio communications; space and ground communication systems using spatial modulation. SUBSTANCE: proposed device using two orthogonal channels transmits apart from basic information three more pieces of information which can be used as service ones without increasing number of radio links. Newly introduced in device are following components: on sending end, frequency synthesizer, two electronic switches, phase inverter, and second addition unit; on receiving end, first and second mixers, fifth and sixth multipliers, first and second lowfrequency filters, first, second, and third delay lines, first carrierfrequency band filter f1, second carrier- frequency band filter f2, maximum choice unit, comparison unit, limiting amplifier, synchrophase filter, and third band filter. EFFECT: enlarged functional capabilities. 1 cl, 2 dwg