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Frequency division multiplexing with channel constraints

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1 Author(s)
Feig, E. ; IBM Res., Yorktown Heights, NY, USA

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

Published in:

Telecommunications Symposium, 1990. ITS '90 Symposium Record., SBT/IEEE International

Date of Conference:

3-6 Sep 1990