Low-overhead hierarchically-sparse channel estimation for multiuser wideband massive MIMO

G Wunder, S Stefanatos, A Flinth… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Numerical evidence suggests that compressive sensing (CS) approaches for wideband
massive MIMO channel estimation can achieve very good performance with limited training …

Comparison of explicit CSI feedback schemes for 5G new radio

R Ahmed, K Jayasinghe, T Wild - 2019 IEEE 89th Vehicular …, 2019 - ieeexplore.ieee.org
Advanced multiple input multiple output (MIMO) technologies in New Radio (NR), such as
multiple transmit-receive-point (multi-TRP) transmission or non-linear precoding are …

FDD massive MIMO channel training: Optimal rate-distortion bounds and the spectral efficiency of “one-shot” schemes

MB Khalilsarai, Y Song, T Yang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
We study the problem of providing channel state information (CSI) at the transmitter in multi-
user “massive” MIMO systems operating in frequency division duplexing (FDD). The …

Tensor-Based Channel Estimation for Millimeter-Wave Massive MIMO by Exploiting Sparsity in Delay-Angular Domain

Z Hao, Z Luo, X Li, J Fan - IEEE Transactions on Wireless …, 2024 - ieeexplore.ieee.org
Millimeter-wave massive multiple-input multiple-output employing a large-scale antenna
array is a promising technology for 5G and 6G cellular networks. It also provides strong …

Reliable recovery of hierarchically sparse signals for Gaussian and Kronecker product measurements

I Roth, M Kliesch, A Flinth, G Wunder… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
We propose and analyze a solution to the problem of recovering a block sparse signal with
sparse blocks from linear measurements. Such problems naturally emerge inter alia in the …

The ONE5G approach towards the challenges of multi-service operation in 5G systems

F Schaich, MH Hamon, M Hunukumbure… - 2018 IEEE 87th …, 2018 - ieeexplore.ieee.org
ONE5G (E2E-aware Optimizations and advancements for the Network Edge of 5G New
Radio) is an European funded collaborative project, aiming at designing Radio Access …

Hierarchical restricted isometry property for Kronecker product measurements

I Roth, A Flinth, R Kueng, J Eisert… - 2018 56th Annual …, 2018 - ieeexplore.ieee.org
Hierarchically sparse signals and Kronecker product structured measurements naturally
arise in a variety of applications. The simplest example of a hierarchical sparsity structure is …

Hierarchical Soft-Thresholding for Parameter Estimation in Beam-Space OTFS Integrated Sensing and Communication

SK Dehkordi, JC Hauffen, P Jung… - ICC 2023-IEEE …, 2023 - ieeexplore.ieee.org
In this work, we propose a compressed sensing framework for radar parameter estimation in
an Integrated Sensing and Communication (ISAC) system employing a realistic and …

Semi-device-dependent blind quantum tomography

I Roth, J Wilkens, D Hangleiter, J Eisert - Quantum, 2023 - quantum-journal.org
Extracting tomographic information about quantum states is a crucial task in the quest
towards devising high-precision quantum devices. Current schemes typically require …

Variational Autoencoder-Based Parameter Estimation in Beam-Space OFDM Integrated Sensing and Communication

SK Dehkordi, JC Hauffen, F Jaensch… - … 2023-2023 IEEE …, 2023 - ieeexplore.ieee.org
In this work, we propose a framework based on Deep Neural Networks (DNNs) for radar
parameter estimation in an Integrated Sensing and Communication (ISAC) system em …