Performance of equal power subchannel loading in multiuser OFDM systems

TitlePerformance of equal power subchannel loading in multiuser OFDM systems
Publication TypeJournal Article
Year of Publication2007
AuthorsZhang, Y. H., and C. Leung
Journal2007 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, Vols 1 and 2
Pagination522–525
ISSN0893-4266
Abstract

The difference in total subchannel bits loaded between the optimal water-filling subchannel power loading scheme and a simple equal power subchannel loading scheme for a multiuser OFDM system is studied. It is found that this difference is generally quite small and decreases with the number of users and the average subchannel signal-to-noise ratio.

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