Wavelets as signaling waveforms over partial-response channels

Raghuveer M. Rao

doi:10.1117/12.228240

8 December 1995 Wavelets as signaling waveforms over partial-response channels

Raghuveer M. Rao

Proceedings Volume 2605, Coding and Signal Processing for Information Storage; (1995) https://doi.org/10.1117/12.228240
Event: Photonics East '95, 1995, Philadelphia, PA, United States

Abstract

Wavelet transform theory, in the context of multiresolution analysis, has brought out useful properties of Hilbert spaces generated by bases consisting of translates of a single function. In particular, biorthogonal wavelet decomposition schemes provide a simple decomposition and reconstruction arrangement by using scaling functions and duals whose translates form biorthogonal bases. Based on this concept, schemes are developed for data transmission over a partial response channel where one waveform is used to modulate the transmit data and another, its dual, is used to demodulate the data. The schemes do not require a precoder and are not restricted to binary data. In one of the schemes suited for bandlimited channels, it is possible to construct several different waveform pairs with a moderate sacrifice in bandwidth.

Citation Download Citation

Raghuveer M. Rao "Wavelets as signaling waveforms over partial-response channels", Proc. SPIE 2605, Coding and Signal Processing for Information Storage, (8 December 1995); https://doi.org/10.1117/12.228240

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