NDLI: The capacity and power efficiency of OOFSK signaling over wideband fading channels

Content Provider	IEEE Xplore Digital Library
Author	Gursoy, M.C. Poor, H.V. Verdu, S.
Copyright Year	2004
Description	Author affiliation: Dept. of Electr. Eng., Nebraska Univ., Lincoln, NE, USA (Gursoy, M.C.)
Abstract	Transmission of information over wideband fading channels using M-ary orthogonal on/off FSK (OOFSK) signaling, in which M-ary FSK signaling is overlaid on on/off keying, is considered. It is assumed that the receiver uses energy detection for the reception of OOFSK signals. Capacity expressions are obtained when the receiver has perfect and imperfect fading side information. Power efficiency is investigated when the transmitter is subject to a peak-to-average power ratio (PAR) limitation or a peak power limitation. It is shown that under PAR limitation, it is extremely power inefficient to operate in the very low SNR regime. On the other hand, if there is only a peak power limitation, it is demonstrated that power efficiency improves as one operates with smaller SNR and vanishing duty factor.
Starting Page	441
Ending Page	445
File Size	565776
Page Count	5
File Format	PDF
ISBN	0780387945
DOI	10.1109/GLOCOM.2004.1377986
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-11-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Frequency shift keying Bandwidth Peak to average power ratio Ultra wideband technology Radio transmitters Pulse modulation Gaussian channels Signal analysis Availability
Content Type	Text
Resource Type	Article

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