Presentation 1997/9/25
Noncoherent FSK - PLL Demodulation Free From Intersymbol Interference Using Variable Threshold Level
Tadamitsu Iritani, Masashi Nishiyama, Takahiro Oie,
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Abstract(in English) In noncoherent FSK demodulation using PLL, the narrower is the bandwidth of PLL in order to reduce the noiser of the receiver, more dominant becomes the intersymbol interference (ISI). Therefore, S/N or bit error rate of the receiver is not improved. In this paper, we propose new FSK-PLL receiver free from ISI by new method where the threshold level is not fixed but varied in proportion to the output of PLL-demodulator. It is showed that the bit error rate of noncoherent 1st-order PLL-demodulation in pulse frequency modulation system is closer to that of the Binary PSK.
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Keyword(in English) noncoherent / FSK Demodulation / Frequency Hopping / Variable Threshold / PLL
Paper # RCS97-108
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Committee RCS
Conference Date 1997/9/25(1days)
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Registration To Radio Communication Systems (RCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Noncoherent FSK - PLL Demodulation Free From Intersymbol Interference Using Variable Threshold Level
Sub Title (in English)
Keyword(1) noncoherent
Keyword(2) FSK Demodulation
Keyword(3) Frequency Hopping
Keyword(4) Variable Threshold
Keyword(5) PLL
1st Author's Name Tadamitsu Iritani
1st Author's Affiliation Dept. of Electrical and Electronic Engineering, Faculty of Engineering, The University of Tokushima()
2nd Author's Name Masashi Nishiyama
2nd Author's Affiliation Dept. of Electrical and Electronic Engineering, Faculty of Engineering, The University of Tokushima:Mitubishi Materials Corporation
3rd Author's Name Takahiro Oie
3rd Author's Affiliation Dept. of Electrical and Electronic Engineering, Faculty of Engineering, The University of Tokushima
Date 1997/9/25
Paper # RCS97-108
Volume (vol) vol.97
Number (no) 267
Page pp.pp.-
#Pages 6
Date of Issue