Nonlinear transform source-channel coding for semantic communications

J Dai, S Wang, K Tan, Z Si, X Qin… - IEEE Journal on …, 2022 - ieeexplore.ieee.org
… deep joint source-channel coding. Our model incorporates the nonlinear transform as a
strong prior to effectively extract the source semantic features and provide side information for …

Improved nonlinear transform source-channel coding to catalyze semantic communications

S Wang, J Dai, X Qin, Z Si, K Niu… - IEEE Journal of Selected …, 2023 - ieeexplore.ieee.org
… , we call nonlinear transform source-channel coding (NTSCC), extract semantic latent
features of the source signal, and learn entropy model to guide joint source-channel coding with …

Toward adaptive semantic communications: Efficient data transmission via online learned nonlinear transform source-channel coding

J Dai, S Wang, K Yang, K Tan, X Qin… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
… In this paper, as a representative case, we inject our online adaptation method to the nonlinear
transform source-channel coding (NTSCC) based semantic communication system [24], …

Information transmission using the nonlinear Fourier transform, Part III: Spectrum modulation

MI Yousefi, FR Kschischang - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
nonlinear Fourier transform at the transmitter for signals having only a discrete spectrum.
Among several methods, the Darboux transform … about sources of noise in fiber-optic channels

Nonlinear transform coding

J Ballé, PA Chou, D Minnen, S Singh… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
… , nonlinear transforms are better suited to model the sourcechannel of ga and each input
channel of gs are subjected to a … affine transformation, as in (18); layer affine: each channel of …

Capacity estimates for optical transmission based on the nonlinear Fourier transform

SA Derevyanko, JE Prilepsky, SK Turitsyn - Nature communications, 2016 - nature.com
channel remains free from the nonlinear crosstalk that is thought to be one of the main sources
of … known to be loose for nonlinear and non-Gaussian information channels 39 , the actual …

Source separation in post-nonlinear mixtures

A Taleb, C Jutten - IEEE Transactions on signal Processing, 1999 - ieeexplore.ieee.org
nonlinear mixtures known as post-nonlinear mixtures. These mixtures constituted by a linear
instantaneous mixture (linear memoryless channel… to very restrictive transforms and will not …

Nonlinear single channel source separation

AM Darsono, B Gao, WL Woo… - 2010 7th International …, 2010 - ieeexplore.ieee.org
… mixture which is our concern, the Gaussianization transform used to compensate the
nonlinearity was proved to be effective where we can see that the result are better if the PNL …

Hybrid digital–analog sourcechannel coding for bandwidth compression/expansion

M Skoglund, N Phamdo, F Alajaji - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
… uses a Karhunen–Loéve transform (KLT) to decorrelate the source vector (for the … nonlinear
transformations in the analog part of the HDA system (in [6], [12], only linear transformations

Deep joint source-channel coding for wireless image transmission

E Bourtsoulatze, DB Kurka… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
… JSCC scheme that bypasses the transformation of the pixel values to … channel input samples,
while the nonlinear activation functions allow to learn a non-linear mapping from the source