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Issue No.01 - January/February (1999 vol.1)
pp: 51-57
Current communication systems use complex multiplexing techniques to maximize total bandwidth for users. With more high-bandwidth services becoming available, particularly on the Internet, even more sophisticated coding and modulation techniques are needed. We have developed a system based on advanced signal processing to meet such needs. The time-frequency-division multiplexing scheme for high-bandwidth communications we have developed uses smooth time-frequency divisions for a multiple-access fiber-optic network. As this article will show, our modulation scheme makes much better use of the time-frequency plane, while drastically reducing timing jitter and the deleterious effects of dispersion through proper use of orthogonal waveforms.
Tim Olson, Dennis Healy, Ulf Österberg, "Wavelets in Optical Communications", Computing in Science & Engineering, vol.1, no. 1, pp. 51-57, January/February 1999, doi:10.1109/5992.743622
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