DocumentCode
2817912
Title
Frequency division multiplexing with channel constraints
Author
Feig, Ephraim
Author_Institution
IBM Res., Yorktown Heights, NY, USA
fYear
1990
fDate
3-6 Sep 1990
Firstpage
287
Lastpage
291
Abstract
Modulation via Fourier transform division multiplexing (FTDM) has been suggested for transmission over channels whose signal-to-noise ratios, as functions of frequency, are far from flat. Original designs following the classical water-pouring theorem left a large gap between the theoretical promise of the method and the actual rates achieved. The author presents heuristic input-power allocations for enhancing the performance of such schemes. He also considers FTDM under peak-power constraints
Keywords
Fourier transforms; frequency division multiplexing; FDM; FTDM; Fourier transform division multiplexing; channel constraints; frequency division multiplexing; heuristic input-power allocations; peak-power constraints; signal-to-noise ratios; water-pouring theorem; Design methodology; Discrete Fourier transforms; Equalizers; Fourier transforms; Frequency division multiplexing; Logic; Low pass filters; Modulation coding; Signal design; Signal to noise ratio;
fLanguage
English
Publisher
ieee
Conference_Titel
Telecommunications Symposium, 1990. ITS '90 Symposium Record., SBT/IEEE International
Conference_Location
Rio de Janeiro
Type
conf
DOI
10.1109/ITS.1990.175614
Filename
175614
Link To Document