Orthogonal wavefront-multiplexing architecture for communications in non-contiguous channels

Orthogonal wavefront-multiplexing architecture for communications in non-contiguous channels

In this paper, we investigate the issue of pulse propagation in a fragmented spectrum (FS) and adaptive equalization using embedded probing signals via feed forward paths only. A novel wavefront (WF) multiplexing (Muxing) and de-multiplexing (Demuxing) scheme as a pre- and postprocessing method is p...

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Hauptverfasser: Chang, Donald C. D., Hen-Geul Yeh, Yulan Sun
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Sprache:eng
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Adaptive equalizers
multiplexing
non-contiguous (NC) frequency slots
propagation in fragmented spectrum (FS)
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Yulan Sun
description In this paper, we investigate the issue of pulse propagation in a fragmented spectrum (FS) and adaptive equalization using embedded probing signals via feed forward paths only. A novel wavefront (WF) multiplexing (Muxing) and de-multiplexing (Demuxing) scheme as a pre- and postprocessing method is proposed for wideband waveforms or data symbols propagation through non-contiguous (NC) frequency slots in an FS. Embedded probing signals as a part of the input to the WF Muxing processor are used for diagnostic as a part of an equalization procedure. The performance of this scheme is evaluated via simulations. The results show pulse distortions can be minimized by equalizing propagation effects of NC channels via the WF Muxing and Demuxing techniques.
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subjects Adaptive equalizers
multiplexing
non-contiguous (NC) frequency slots
propagation in fragmented spectrum (FS)
title Orthogonal wavefront-multiplexing architecture for communications in non-contiguous channels
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