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Upcoming Fast Radio Burst (FRB) surveys will search $\sim$10\,$^3$ beams on sky with very high duty cycle, generating large numbers of single-pulse candidates. The abundance of false positives presents an intractable problem if candidates…

Instrumentation and Methods for Astrophysics · Physics 2018-11-28 Liam Connor , Joeri van Leeuwen

We propose a fast beam orientation selection method, based on deep neural networks (DNN), capable of developing a plan comparable to those by the state-of-the-art column generation method. The novelty of Our model lies in its supervised…

Medical Physics · Physics 2019-12-23 Azar Sadeghnejad Barkousaraie , Olalekan Ogunmolu , Steve Jiang , Dan Nguyen

Artificial intelligence (AI) is envisioned to play a key role in future wireless technologies, with deep neural networks (DNNs) enabling digital receivers to learn to operate in challenging communication scenarios. However, wireless…

Information Theory · Computer Science 2023-05-15 Tomer Raviv , Sangwoo Park , Osvaldo Simeone , Yonina C. Eldar , Nir Shlezinger

The challenging propagation environment, combined with the hardware limitations of mmWave systems, gives rise to the need for accurate initial access beam alignment strategies with low latency and high achievable beamforming gain. Much of…

Information Theory · Computer Science 2024-01-25 Daniel Tandler , Marc Gauger , Ahmet Serdar Tan , Sebastian Dörner , Stephan ten Brink

This paper presents the first large-scale real-world evaluation for using LiDAR data to guide the mmWave beam prediction task. A machine learning (ML) model that leverages the LiDAR sensory data to predict the current and future beams was…

Signal Processing · Electrical Eng. & Systems 2022-03-11 Shuaifeng Jiang , Gouranga Charan , Ahmed Alkhateeb

Channel estimation is very challenging when the receiver is equipped with a limited number of radio-frequency (RF) chains in beamspace millimeter-wave (mmWave) massive multiple-input and multiple-output systems. To solve this problem, we…

Information Theory · Computer Science 2019-01-15 Hengtao He , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

6G -- sixth generation -- is the latest cellular technology currently under development for wireless communication systems. In recent years, machine learning algorithms have been applied widely in various fields, such as healthcare,…

Signal Processing · Electrical Eng. & Systems 2021-07-26 Ferhat Ozgur Catak , Evren Catak , Murat Kuzlu , Umit Cali , Devrim Unal

Modeling and simulating a power distribution network (PDN) for printed circuit boards (PCBs) with irregular board shapes and multi-layer stackup is computationally inefficient using full-wave simulations. This paper presents a new concept…

Machine Learning · Computer Science 2021-06-22 Ling Zhang , Jack Juang , Zurab Kiguradze , Bo Pu , Shuai Jin , Songping Wu , Zhiping Yang , Chulsoon Hwang

Purpose: To develop CADIA, a supervised deep learning model based on a region proposal network coupled with a false-positive reduction module for the detection and localization of intracranial aneurysms (IA) from computed tomography…

Image and Video Processing · Electrical Eng. & Systems 2021-12-16 Dufan Wu , Daniel Montes , Ziheng Duan , Yangsibo Huang , Javier M. Romero , Ramon Gilberto Gonzalez , Quanzheng Li

A DeepCAPA (Deep Learning for Continuous Aperture Array (CAPA)) framework is proposed to learn beamforming in CAPA systems. The beamforming optimization problem is firstly formulated, and it is mathematically proved that the optimal…

Signal Processing · Electrical Eng. & Systems 2024-11-15 Jia Guo , Yuanwei Liu , Hyundong Shin , Arumugam Nallanathan

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…

Computational Engineering, Finance, and Science · Computer Science 2025-12-25 Xuyao Deng , Yong Dou , Kele Xu

Millimeter-wave (mmWave) networks offer the potential for high-speed data transfer and precise localization, leveraging large antenna arrays and extensive bandwidths. However, these networks are challenged by significant path loss and…

Social and Information Networks · Computer Science 2023-12-29 Wan-Ting Shih , Chao-Kai Wen , Shang-Ho Tsai , Shi Jin , Chau Yuen

Beamforming-capable antenna arrays overcome the high free-space path loss at higher carrier frequencies. However, the beams must be properly aligned to ensure that the highest power is radiated towards (and received by) the user equipment…

Systems and Control · Electrical Eng. & Systems 2022-09-15 George Yammine , Georgios Kontes , Norbert Franke , Axel Plinge , Christopher Mutschler

The new demands for high-reliability and ultra-high capacity wireless communication have led to extensive research into 5G communications. However, the current communication systems, which were designed on the basis of conventional…

Signal Processing · Electrical Eng. & Systems 2019-04-23 Hongji Huang , Song Guo , Guan Gui , Zhen Yang , Jianhua Zhang , Hikmet Sari , Fumiyuki Adachi

Metal absorption line systems in distant quasar spectra probe of the history of gas content in the universe. The MgII $\lambda \lambda$ 2796, 2803 doublet is one of the most important absorption lines since it is a proxy of the star…

Astrophysics of Galaxies · Physics 2019-05-07 Yinan Zhao , Jian Ge , Xiaoyong Yuan , Tiffany Zhao , Cindy Wang , Xiaolin Li

We present {\tt deepSIP} (deep learning of Supernova Ia Parameters), a software package for measuring the phase and -- for the first time using deep learning -- the light-curve shape of a Type Ia supernova (SN~Ia) from an optical spectrum.…

Instrumentation and Methods for Astrophysics · Physics 2020-06-24 Benjamin E. Stahl , Jorge Martinez-Palomera , WeiKang Zheng , Thomas de Jaeger , Alexei V. Filippenko , Joshua S. Bloom

In the rapidly growing development of the Internet of Things (IoT) infrastructure, achieving reliable wireless communication is a challenge. IoT devices operate in diverse environments with common signal interference and fluctuating channel…

Machine Learning · Computer Science 2024-05-22 Samrah Arif , Muhammad Arif Khan , Sabih Ur Rehman

Efficient analysis and processing of dental images are crucial for dentists to achieve accurate diagnosis and optimal treatment planning. However, dental imaging inherently poses several challenges, such as low contrast, metallic artifacts,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Zhenhuan Zhou , Jingbo Zhu , Yuchen Zhang , Xiaohang Guan , Peng Wang , Tao Li

Ion Beam Analysis (IBA) is an established tool for material characterization, providing precise information on elemental composition, depth profiles, and structural information in the region near the surface of materials. However,…

Materials Science · Physics 2025-02-21 Tiago Fiorini da Silva

Beam alignment is a critical bottleneck in millimeter wave (mmWave) communication. An ideal beam alignment technique should achieve high beamforming (BF) gain with low latency, scale well to systems with higher carrier frequencies, larger…

Information Theory · Computer Science 2023-07-11 Yuqiang Heng , Jeffrey G. Andrews