Search Results for author: Sander Wahls

Found 4 papers, 2 papers with code

Online Optimization with Costly and Noisy Measurements using Random Fourier Expansions

1 code implementation31 Mar 2016 Laurens Bliek, Hans R. G. W. Verstraete, Michel Verhaegen, Sander Wahls

This paper analyzes DONE, an online optimization algorithm that iteratively minimizes an unknown function based on costly and noisy measurements.

Bayesian Optimization

Fast Inverse Nonlinear Fourier Transforms for Continuous Spectra of Zakharov-Shabat Type

1 code implementation5 Jul 2016 Sander Wahls, Vishal Vaibhav

The nonlinear Fourier spectrum comprises a continuous and a discrete part in general, but so far only fast inverse NFTs for signals whose continuous spectrum is null have been reported in the literature.

Information Theory Information Theory Optics

Efficient Training of Volterra Series-Based Pre-distortion Filter Using Neural Networks

no code implementations13 Dec 2021 Vinod Bajaj, Mathieu Chagnon, Sander Wahls, Vahid Aref

We present a simple, efficient "direct learning" approach to train Volterra series-based digital pre-distortion filters using neural networks.

Structured Sensing Matrix Design for In-sector Compressed mmWave Channel Estimation

no code implementations23 May 2022 Hamed Masoumi, Nitin Jonathan Myers, Geert Leus, Sander Wahls, Michel Verhaegen

Fast millimeter wave (mmWave) channel estimation techniques based on compressed sensing (CS) suffer from low signal-to-noise ratio (SNR) in the channel measurements, due to the use of wide beams.

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