Harmonic-frequency communication system with improved diversity

Details Harmonic-frequency communication system with improved diversity Harmonic-frequency communication system with improved diversity

1992-05-20

1994-09-06

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

Single message via plural carrier wave transmission

455103, 455134, 455137, H04B 708, H04B 712

Patent

active

053456017

ABSTRACT:
According to this invention, a modulator modulates a carrier serving as a fundamental wave with data to be transmitted, thereby to generate a modulated output including at least the fundamental wave and double wave thereof. A transmitting antenna radiates electromagnetic waves into the air, and the electromagnetic waves include the fundamental wave and the double wave included in the modulated output generated by the modulator. A receiving antenna receives the electromagnetic waves including the fundamental wave and the double wave radiated from the transmitting antenna. A diversity section generates an output having a diversity effect on the basis of the fundamental wave and the double wave included in the electromagnetic waves received by the receiving antenna. A demodulator demodulates the output having the diversity effect and generated by the diversity section, thereby to output data corresponding to the data to be transmitted.

REFERENCES:
patent: 1954185 (1934-04-01), Sedlmayer
patent: 2955199 (1960-10-01), Mindes
patent: 3023309 (1962-02-01), Foulkes
patent: 3310742 (1967-03-01), Adams
patent: 4584716 (1986-04-01), Drentea
patent: 4615040 (1986-09-01), Mojoli et al.
patent: 4850037 (1989-07-01), Bochmann
patent: 4881245 (1989-11-01), Walker et al.
patent: 5034997 (1991-07-01), Iwasaki

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