Method and apparatus for the simultaneous transmission of separa

Details Method and apparatus for the simultaneous transmission of separa Method and apparatus for the simultaneous transmission of separa

1992-09-11

1993-12-07

Gregory, Bernarr E.

Pulse or digital communications

Repeaters

Testing

380 31, 380 34, H04L 2730

Patent

active

052689263

ABSTRACT:
A method of simultaneously transmitting first and second data signals by the technique of spectrum spreading by direct sequence, comprises using the first data signal to modulate a spreading code produced by a code generator from a code clock and using the second data signal to modulate the delay of the spreading code. Modulation of the spreading code delay comprises either modifying the delay of the code delivered by the code generator, or modifying the code clock frequency. Apparatus for carrying out this method is also described.

REFERENCES:
patent: 4653069 (1987-03-01), Roeder
patent: 4943976 (1990-07-01), Ishigaki
patent: 5173923 (1992-12-01), Crespo et al.

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