activity
20192025
most citedCentralized Learning of the Distributed Downlink Channel Estimators in FDD Systems using Uplink Data

3 citations · 5 across the 17 of their papers we have counts for

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13 papers · 1 filter

cs.IT2024

Statistical Precoder Design in Multi-User Systems via Graph Neural Networks and Generative Modeling

Nurettin Turan, Srikar Allaparapu, Donia Ben Amor +3

This letter proposes a graph neural network (GNN)-based framework for statistical precoder design that leverages model-based insights to compactly represent statistical knowledge,…

cs.IT2024

Feedback Design with VQ-VAE for Robust Precoding in Multi-User FDD Systems

Nurettin Turan, Michael Baur, Jianqing Li +1

In this letter, we propose a vector quantized-variational autoencoder (VQ-VAE)-based feedback scheme for robust precoder design in multi-user frequency division duplex (FDD) system…

cs.IT2024

A Versatile Pilot Design Scheme for FDD Systems Utilizing Gaussian Mixture Models

Nurettin Turan, Benedikt Böck, Benedikt Fesl +3

In this work, we propose a Gaussian mixture model (GMM)-based pilot design scheme for downlink (DL) channel estimation in single- and multi-user multiple-input multiple-output (MIM…

cs.IT2024

Evaluation Metrics and Methods for Generative Models in the Wireless PHY Layer

Michael Baur, Nurettin Turan, Simon Wallner +1

Generative models are typically evaluated by direct inspection of their generated samples, e.g., by visual inspection in the case of images. Further evaluation metrics like the Fré…

cs.IT2024

Limited Feedback on Measurements: Sharing a Codebook or a Generative Model?

Nurettin Turan, Benedikt Fesl, Michael Joham +5

Discrete Fourier transform (DFT) codebook-based solutions are well-established for limited feedback schemes in frequency division duplex (FDD) systems. In recent years, data-aided…

cs.IT2023

Enhanced Low-Complexity FDD System Feedback with Variable Bit Lengths via Generative Modeling

Nurettin Turan, Benedikt Fesl, Wolfgang Utschick

Recently, a versatile limited feedback scheme based on a Gaussian mixture model (GMM) was proposed for frequency division duplex (FDD) systems. This scheme provides high flexibilit…