activity
20192024
most citedTwo-step Machine Learning Approach for Channel Estimation with Mixed Resolution RF Chains

7 citations · 8 across the 7 of their papers we have counts for

collaborators

7 papers

cs.IT2024

Start Stop Bit Method for Efficient Data Communication in 6G Mobile Radio Systems

Wolfgang Zirwas, Berthold Panzner, Rakash Sivasivaganesan +2

In this article, a novel approach for mobile radio communications is proposed and analysed, which is promising for future 6G cooperative distributed MIMO systems. The fundamental i…

eess.SP2022

Combining AI/ML and PHY Layer Rule Based Inference -- Some First Results

Brenda Vilas Boas, Wolfgang Zirwas, Martin Haardt

In 3GPP New Radio (NR) Release 18 we see the first study item starting in May 2022, which will evaluate the potential of AI/ML methods for Radio Access Network (RAN) 1, i.e., for m…

eess.SP2021

Transfer Learning Capabilities of Untrained Neural Networks for MIMO CSI Recreation

Brenda Vilas Boas, Wolfgang Zirwas, Martin Haardt

Machine learning (ML) applications for wireless communications have gained momentum on the standardization discussions for 5G advanced and beyond. One of the biggest challenges for…

eess.SP2021

Machine Learning for CSI Recreation Based on Prior Knowledge

Brenda Vilas Boas, Wolfgang Zirwas, Martin Haardt

Knowledge of channel state information (CSI) is fundamental to many functionalities within the mobile wireless communications systems. With the advance of machine learning (ML) and…

eess.SP2021★ 1 cited

Machine Learning for Model Order Selection in MIMO OFDM Systems

Brenda Vilas Boas, Wolfgang Zirwas, Martin Haardt

A variety of wireless channel estimation methods, e.g., MUSIC and ESPRIT, rely on prior knowledge of the model order. Therefore, it is important to correctly estimate the number of…

eess.SP2021★ 7 cited

Two-step Machine Learning Approach for Channel Estimation with Mixed Resolution RF Chains

Brenda Vilas Boas, Wolfgang Zirwas, Martin Haardt

Massive MIMO is one of the main features of 5G mobile radio systems. However, it often leads to high cost, size and power consumption. To overcome these issues, the use of constrai…

eess.SP2019

Evaluation of Simplified Methodology for Obtaining mmWave MIMO Channels from Ray-Tracing Simulations

Isabela Trindade, Brenda Vilas Boas, Aldebaro Klautau

The use of higher frequencies and MIMO is important in many 5G use cases. However, the available channel models for millimeter waves (mmWaves) currently demand investigation and th…