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Next-generation particle accelerators demand advanced beam-diagnostic capabilities to ensure high performance, operational reliability, and sustainable machine operation. Increasing beam intensities and stored energies make the precise…

加速器物理 · 物理学 2026-03-10 Francis René Osswald , Mohammed Chahbaoui , Xinyi Liang

Channel estimation and beamforming play critical roles in frequency-division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems. However, these two modules have been treated as two stand-alone components, which makes it…

信号处理 · 电气工程与系统科学 2021-08-04 Yifan Ma , Yifei Shen , Xianghao Yu , Jun Zhang , S. H. Song , Khaled B. Letaief

This article considers the performance of wireless communication systems that utilize reconfigurable or pattern-dynamic antennas. The focus is on finite-state channels with memory and performance is assessed in terms of real-time behavior.…

信息论 · 计算机科学 2014-04-29 Santhosh Kumar , Jean-Francois Chamberland , Gregory H. Huff

Deep learning-based diagnostic models often suffer performance drops due to distribution shifts between training (source) and test (target) domains. Collecting and labeling sufficient target domain data for model retraining represents an…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Yaofei Duan , Yuhao Huang , Xin Yang , Luyi Han , Xinyu Xie , Zhiyuan Zhu , Ping He , Ka-Hou Chan , Ligang Cui , Sio-Kei Im , Dong Ni , Tao Tan

The quest for higher wireless carrier frequencies spanning the millimeter-wave (mmWave) and Terahertz (THz) bands heralds substantial enhancements in data throughput and spectral efficiency for next-generation wireless networks. However,…

信号处理 · 电气工程与系统科学 2025-08-13 Sicong Ye , Yulan Gao , Ming Xiao , Peng Wang , Marios Poulakis , Ulrik Imberg

In this paper, a novel and robust algorithm is proposed for adaptive beamforming based on the idea of reconstructing the autocorrelation sequence (ACS) of a random process from a set of measured data. This is obtained from the first column…

信息论 · 计算机科学 2021-06-25 Saeed Mohammadzadeh , Vitor H. Nascimento , Rodrigo C. de Lamare , Osman Kukrer

Beamforming techniques utilized either at the transmitter or the receiver terminals have achieved superior quality-of-service performances from both the multi-antenna wireless communications systems, communications intelligence and radar…

信号处理 · 电气工程与系统科学 2023-06-09 M. Yaser Yağan , Ahmet F. Coşkun , Ali E. Pusane

Hybrid analog and digital (HAD) beamforming has been recently receiving considerable deserved attention for a practical implementation on the large-scale antenna systems. As compared to full digital beamforming, partial-connected HAD…

信息论 · 计算机科学 2018-11-06 Mohammed A. Almagboul , Feng Shu , Yaolu Qin , Xiaobo Zhou , Jin Wang , Yuwen Qian , Kingsley Jun Zou

This paper investigates deep learning techniques to predict transmit beamforming based on only historical channel data without current channel information in the multiuser multiple-input-single-output downlink. This will significantly…

信息论 · 计算机科学 2023-02-03 Juping Zhang , Gan Zheng , Yangyishi Zhang , Ioannis Krikidis , Kai-Kit Wong

Deep learning-based direction-of-arrival (DoA) estimation has gained increasing popularity. A popular family of DoA estimation algorithms is beamforming methods, which operate by constructing a spatial filter that is applied to array…

计算工程、金融与科学 · 计算机科学 2025-12-25 Xuyao Deng , Yong Dou , Kele Xu

Photoacoustic microscopy (PAM) is a promising imaging modality because it is able to reveal optical absorption contrast in high resolution on the order of a micrometer. It can be applied in an endoscopic approach by implementing PAM into a…

医学物理 · 物理学 2019-11-22 Zhendong Guo , Zhanhong Ye , Weihao Shao , Lili Jing , Sung-Liang Chen

Photoacoustic imaging (PAI) is a promising emerging imaging modality that enables spatially resolved imaging of optical tissue properties up to several centimeters deep in tissue, creating the potential for numerous exciting clinical…

医学物理 · 物理学 2021-04-15 Janek Gröhl , Melanie Schellenberg , Kris Dreher , Lena Maier-Hein

A reconfigurable pinching-antenna system (PASS) is presented, endowing pinching antennas (PAs) with both amplitude- and phase-controllable radiation beyond conventional implementations. To characterize this feature, a general and physically…

信息论 · 计算机科学 2025-09-09 Zhaolin Wang , Jiaqi Xu , Chongjun Ouyang , Xidong Mu , Yuanwei Liu

Wireless communications at high-frequency bands with large antenna arrays face challenges in beam management, which can potentially be improved by multimodality sensing information from cameras, LiDAR, radar, and GPS. In this paper, we…

信号处理 · 电气工程与系统科学 2023-09-22 Yu Tian , Qiyang Zhao , Zine el abidine Kherroubi , Fouzi Boukhalfa , Kebin Wu , Faouzi Bader

To address practical challenges in establishing and maintaining robust wireless connectivity such as multi-path effects, low latency, size reduction, and high data rate, the digital beamformer is performed by the hybrid antenna array at the…

网络与互联网体系结构 · 计算机科学 2022-11-04 Somayeh Komeylian , Christopher Paolini

The marine ecosystem is changing at an alarming rate, exhibiting biodiversity loss and the migration of tropical species to temperate basins. Monitoring the underwater environments and their inhabitants is of fundamental importance to…

声音 · 计算机科学 2022-01-17 Michele Mancusi , Nicola Zonca , Emanuele Rodolà , Silvia Zuffi

For millimeter wave (mmWave) or Terahertz (THz) communications, by leveraging the high spatial resolution offered by large antenna arrays and the multi-path sparsity of mmWave/THz channels, a novel inter-symbol interference (ISI) mitigation…

信号处理 · 电气工程与系统科学 2024-10-08 Jieni Zhang , Yong Zeng , Xiangbin Yu , Shi Jin , Jinhong Yuan , Ying-Chang Liang , Rui Zhang

True-time delayers (TTDs) are popular analog devices for facilitating near-field wideband beamforming subject to the spatial-wideband effect. In this paper, an adaptive TTD configuration is proposed for short-range TTDs. Compared to the…

信息论 · 计算机科学 2024-03-28 Hsienchih Ting , Zhaolin Wang , Yuanwei Liu

Power Doppler ultrasound is in widespread clinical use for non-invasive vascular imaging but the most common current method - Delay and Sum (DAS) beamforming - suffers from limited resolution and high side-lobes. Here we propose the…

图像与视频处理 · 电气工程与系统科学 2025-01-13 Matthieu Toulemonde , Cameron A. B. Smith , Kai Riemer , Priya Palanisamy , Jaideep Singh Rait , Laura Taylor , Peter D. Weinberg , Karina Cox , Meng-Xing Tang

Satellite imagery analysis plays a pivotal role in remote sensing; however, information loss due to cloud cover significantly impedes its application. Although existing deep cloud removal models have achieved notable outcomes, they scarcely…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Xuechao Zou , Kai Li , Junliang Xing , Pin Tao , Yachao Cui