H - Electricity – 03 – D
Patent
H - Electricity
03
D
H03D 3/00 (2006.01) H04L 1/00 (2006.01) H04L 27/233 (2006.01)
Patent
CA 2153761
A demodulator (20) demodulates a received signal having phase information into a demodulated signal by differential detection. The demodulator comprises a delay section (22-1 to 22-3) which is supplied with an input signal based on a received signal. The delay section delays the input signal to produce first through third delayed signals which have first through third delayed times different from one another. A differential detecting section (23-1, 23-2) carries out differential detection in accordance with the input signal and the first through the third delayed signals to produce first and second output signals. A first correcting section (24) corrects the first delayed signal on the basis of the first output signal to produce a first corrected signal. A second correcting section (25) corrects the second delayed signal on the basis of the second output signal to produce a second corrected signal. A producing section produces the demodulated signal in accordance with the first and the second corrected signals.
Corporation Nec
Smart & Biggar
LandOfFree
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