Transmission of multiple carrier signals in a nonlinear system

Details Transmission of multiple carrier signals in a nonlinear system Transmission of multiple carrier signals in a nonlinear system

H - Electricity

04

B

H04B 1/04 (2006.01) H03F 1/32 (2006.01) H04B 14/02 (2006.01) H04L 5/06 (2006.01) H04L 25/49 (2006.01)

Patent

CA 2101071

2101071 9214325 PCTABS00014 A narrow band complex input signal, typically having multiple independently modulated carriers, is processed to produce an output signal. The process separates the multiple input signals (10) into an amplitude-limited angle-modulated carrier component (14) and an envelope component (18), and then combines these components by a form of pulse-duty-factor modulation such as pulse-duration modulation (16), at a sufficiently high sampling rate. The combined signal is input to a nonlinear power amplifier (22). Unwanted sidebands are rejected by bandpass filtering (24) at the amplifier output so as to pass only the carrier and its signal bandwidth.

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