no code implementations • 15 May 2024 • Guoda Tian, Dino Pjanić, Xuesong Cai, Bo Bernhardsson, Fredrik Tufvesson
The attention-aided block trains on the channel impulse responses using an attention-aided network, which captures the correlation between impulse responses for different beams.
no code implementations • 30 Apr 2024 • Alexander Marinek, Xuesong Cai, Lieven De Strycker, Fredrik Tufvesson, Liesbet Van der Perre
Millimeter-wave (mmWave) technology holds the potential to revolutionize head-mounted displays (HMDs) by enabling high-speed wireless communication with nearby processing nodes, where complex video rendering can take place.
no code implementations • 18 Mar 2024 • Michiel Sandra, Christian Nelson, Xuhong LI, Xuesong Cai, Fredrik Tufvesson, Anders J Johansson
The results demonstrate the great potential of the presented sounding system for providing high-quality radio channel measurements, contributing to high-resolution channel estimation, characterization, and active and passive sensing in realistic and dynamic scenarios.
no code implementations • 15 Mar 2024 • Xuhong LI, Xuesong Cai, Erik Leitinger, Fredrik Tufvesson
We develop a Bayesian model for sequential detection and estimation of interacting MF model parameters, MF states and mobile agent's state including position and orientation.
no code implementations • 12 Dec 2023 • Alexander Marinšek, Xuesong Cai, Lieven De Strycker, Fredrik Tufvesson, Liesbet Van der Perre
DE gain is a significant factor in understanding system performance since mmWave channel sparsity and eigenmode imbalance often results in provisioning the majority of the available power to the DE.
no code implementations • 27 Oct 2023 • Juan Sanchez, Xuesong Cai, Fredrik Tufvesson
Reconfigurable intelligent surfaces have emerged as a technology with the potential to enhance wireless communication performance for 5G and beyond.
no code implementations • 20 Apr 2023 • Ali Al-Ameri, Jaeyoung Park, Juan Sanchez, Xuesong Cai, Fredrik Tufvesson
The primary purpose is to maintain the estimation accuracy of angles of MPCs while decreasing the resolution of Doppler frequencies for minimized complexity of channel parameter estimation.
no code implementations • 7 Mar 2023 • Guoda Tian, Ilayda Yaman, Michiel Sandra, Xuesong Cai, Liang Liu, Fredrik Tufvesson
High-precision cellular-based localization is one of the key technologies for next-generation communication systems.
no code implementations • 23 Sep 2022 • Xuesong Cai, Meifang Zhu, Aleksei Fedorov, Fredrik Tufvesson
To overcome the issues, an enhanced EADF is proposed with a low complexity that is intrinsically determined by the characteristic of each array element rather than the array aperture.
no code implementations • 16 Sep 2022 • Xuesong Cai, Xiang Cheng, Fredrik Tufvesson
This article aims at providing insights for a comprehensive understanding of terahertz (THz) propagation channels.
no code implementations • 2 Oct 2020 • Xuesong Cai, Tomasz Izydorczyk, José Rodríguez-Piñeiro, István Z. Kovács, Jeroen Wigard, Fernando M. L. Tavares, Preben E. Mogensen
Cellular-connected unmanned aerial vehicles (UAVs) have recently attracted a surge of interest in both academia and industry.
no code implementations • 21 Aug 2020 • Xuesong Cai, Yang Miao, Jinxing Li, Fredrik Tufvesson, Gert Frølund Pedersen, Wei Fan
In this contribution, we firstly illustrate the dominant-cluster(s) concept, where the non-dominant clusters in the mmWave channels are pruned, for mmWave 5G devices applying massive MIMO beamforming.
no code implementations • 14 Aug 2020 • Xuesong Cai, István Kovács, Jeroen Wigard, Preben Mogensen
A preliminary case study of uplink UAV communications also shows the potential of the algorithm.
no code implementations • 22 Jul 2020 • José Rodríguez-Piñeiro, Tomás Domínguez-Bolaño, Xuesong Cai, Zeyu Huang, Xuefeng Yin
Due to the decrease in cost, size and weight, \acp{UAV} are becoming more and more popular for general-purpose civil and commercial applications.