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Forney Observation Models for Faster-Than-Nyquist Signaling on Nonlinear Satellite Links | IEEE Conference Publication | IEEE Xplore

Forney Observation Models for Faster-Than-Nyquist Signaling on Nonlinear Satellite Links


Abstract:

Next-generation satellite communication systems require high spectral efficiency to meet future data rate requirements. Faster-than-Nyquist signaling offers improvement p...Show More

Abstract:

Next-generation satellite communication systems require high spectral efficiency to meet future data rate requirements. Faster-than-Nyquist signaling offers improvement potential by exploiting excess bandwidth of the transmit pulses at the price of inter-symbol interference. This paper studies sophisticated receiver structures that lead to linear discrete minimum phase models with uncorrelated noise. They enable equalization of inter-symbol interference with feasible complexity in trellis-based decoders. Another challenge is nonlinear distortion in the transmit signal caused by the satellite’s high power amplifier. The distortions are accounted for using a linearized Volterra filter model. Finally, a comparison to conventional methods shows that the new approach yields considerable performance gains.
Date of Conference: 26-29 September 2022
Date Added to IEEE Xplore: 18 January 2023
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Conference Location: London, United Kingdom

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