NDLI: A FSK demodulator comparison for ultra-low power, low data-rate wireless links in ISM bands

Content Provider	IEEE Xplore Digital Library
Author	Lopelli, E. Van der Tang, J.D. van Roermund, A.H.M.
Copyright Year	2005
Description	Author affiliation: Eindhoven Tech. Univ., Netherlands (Lopelli, E.; Van der Tang, J.D.; van Roermund, A.H.M.)
Abstract	Personal communications require wireless nodes, which can transmit and receive reliably data under huge power constraints. Higher level of integration and reduction of power consumption can be achieved using a zero-IF architecture together with a wideband BFSK modulation scheme. Unfortunately FSK techniques performances degrade sharply in the presence of frequency offset. In this paper a comparison between potentially low power BFSK architectures is presented based on high level models. In depth analysis of four potentially low power demodulators shows that the architecture, which can assure rejection of large static offset with minimum increment in hardware complexity is the ST-DFT based demodulator. This will allow great reduction in power consumption avoiding acquisition and tracking of the offset at the receiver side.
File Size	146016
File Format	PDF
ISBN	0780390660
DOI	10.1109/ECCTD.2005.1523043
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-02
Publisher Place	Ireland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Degradation Energy consumption Automatic frequency control Filters AWGN Frequency shift keying Hardware Transceivers Wideband Demodulation
Content Type	Text
Resource Type	Article

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