NDLI: Variable-rate variable-power hybrid M-FSK M-QAM for fading channels

Content Provider	IEEE Xplore Digital Library
Author	Digham, F.F. Alouini, M.-S.
Copyright Year	2004
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Minnesota Univ., Minneapolis, MN, USA (Digham, F.F.; Alouini, M.-S.)
Abstract	This paper investigates a variable-rate variable-power hybrid non-coherent M-FSK M-QAM system. The goal is to combine the spectral efficiency merit of M-QAM with the power efficiency advantage of M-FSK and as such extend the region of availability even at very low channel gain values. A basic system is first designed to maximize the average spectral efficiency while meeting average power and target bit error rate constraints. In addition, a peak power constraint is imposed in a more general system. The optimization procedure leads to optimum rate and power loading functions which are compared for the different modes of operation.
Starting Page	1512
Ending Page	1516
File Size	281321
Page Count	5
File Format	PDF
ISBN	0780379543
ISSN	10903038
DOI	10.1109/VETECF.2003.1285277
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-10-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Bit error rate Quadrature amplitude modulation Frequency shift keying Intelligent transportation systems Power system modeling Availability Power transmission Transmitters Power measurement
Content Type	Text
Resource Type	Article

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Variable-rate variable-power hybrid M-FSK M-QAM for fading channels