Title :
On the implementation of a 32-channel FFT-based MFSK demodulator
Author :
Ferland, G. ; Chan, Y.T. ; Couture, France
Author_Institution :
R. Mil. Coll. of Canada, Kingston, Ont., Canada
Abstract :
This paper discusses the implementation of an M-ary FSK demodulator based on the FFT process. The goal was to design an hybrid receiver where the front end is still analog up to the A/D subsystem (I and Q), the rest being entirely digital. A digital implementation offers many advantages over an analog counterpart, e.g. SAW decoders, such as flexibility and improved dynamic range. The paper discusses the design and implementation of a 32-channel 8-FSK FFT-based demodulator where the signal bandwidth is in the excess of 10 MHz
Keywords :
demodulation; demodulators; fast Fourier transforms; frequency shift keying; receivers; telecommunication channels; 10 MHz; 32-channel FFT-based MFSK demodulator; 8-FSK FFT-based demodulator; A/D subsystem; M-ary FSK demodulator; SAW decoders; digital implementation; dynamic range; front end; hybrid receiver; Communication channels; Digital modulation/demodulation; Discrete Fourier transforms; Frequency shift keying; Receivers;
Conference_Titel :
Electrical and Computer Engineering, 1994. Conference Proceedings. 1994 Canadian Conference on
Conference_Location :
Halifax, NS
Print_ISBN :
0-7803-2416-1
DOI :
10.1109/CCECE.1994.405631
