An Incoherent Direct-Conversion Receiver with a Full Digital Logic FSK Demodulator

Sang Yun LEE  Chan Geun YOON  Choong Woong LEE  

IEICE TRANSACTIONS on Communications   Vol.E79-B    No.7    pp.978-981
Publication Date: 1996/07/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Communication Systems and Transmission Equipment
direct-conversion receiver,  quadricorrelator,  FSK demodulator,  

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A direct-conversion receiver with a full digital logic FSK demodulator is presented. It is developed from the quadricorrelator which is known as a frequency detector. We show that the performance of the receiver converges to that of the analog quadricorrelator receiver as the number of mixing axes increases, and obtain the optimum filter bandwidth by computer simulation.