Frequency multiplexed convolver communication system

Details Frequency multiplexed convolver communication system Frequency multiplexed convolver communication system

1985-01-18

1987-01-06

Fleming, Michael R.

Boots, shoes, and leggings

333195, H03K 300, G06G 7195

Patent

active

046352210

ABSTRACT:
A spread spectrum communication system is described for decoding data from a signal having a carrier frequency and at least one of a plurality of predetermined orthogonal modulations thereon incorporating a frequency synthesizer for generating a plurality of frequencies, a plurality of mixers, a combiner, a broadband convolver, a second combiner coupled to a reference signal generator for generating respective orthogonal modulations on spaced apart carrier frequencies, a power divider coupled to the output of the convolver and filters each having a frequency passband for recovering or separating the output signals of the convolver. The invention overcomes the problem of requiring a plurality of broadband convolvers to decode a plurality of orthogonal modulations of lesser bandwidth.

REFERENCES:
patent: 4071828 (1978-01-01), Setrin
patent: 4115865 (1978-09-01), Beauvais
patent: 4300235 (1981-11-01), Outram
patent: 4382232 (1983-05-01), Laurent
patent: 4428062 (1984-01-01), Michaels
patent: 4458328 (1984-07-01), Kino

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