NDLI: Analysis and simulation of multipath interference of FM subcarrier digital signals

Content Provider	IEEE Xplore Digital Library
Author	Zeger, L. Pei Chen Kobayashi, H.
Copyright Year	1998
Description	Author affiliation: Dept. of Electr. Eng., Princeton Univ., NJ, USA (Zeger, L.)
Abstract	We present analytical results characterizing the effects of multipath interference on an FM subcarrier data channel. A closed form expression for the FM discriminator output (or the instantaneous received frequency) is obtained when there are M reflected path signals in addition to the primary path signal. We derive the power spectral density when the multipath interference is weak, and determine the conditions under which multipath interference causes nonlinearities in the instantaneous frequency of the received signal. In order to verify our analytical results, we have built an SPW simulator of HSDS (the high speed data service) system, and we have observed close agreement between our analysis and simulations. The analytical techniques presented could potentially be applied to other FM subcarrier systems, as well as to digital wireless systems that adopt FSK or its variants. Hence, our results could be useful in understanding noncoherent reception of the GSM digital cellular system, for example.
Starting Page	35
Ending Page	41
File Size	250238
Page Count	7
File Format	PDF
ISBN	0818685387
DOI	10.1109/ISCC.1998.702430
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-06-30
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Signal analysis Analytical models Interference Frequency modulation Frequency shift keying Broadcasting Data communication Europe Baseband GSM
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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