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Deep reinforcement learning (RL), where the agent learns from mistakes, has been successfully applied to a variety of tasks. With the aim of learning collision-free policies for unmanned vehicles, deep RL has been used for training with…

In this letter, we investigate the hybrid beamforming based on deep reinforcement learning (DRL) for millimeter Wave (mmWave) multi-user (MU) multiple-input-single-output (MISO) system. A multi-agent DRL method is proposed to solve the…

Signal Processing · Electrical Eng. & Systems 2021-02-03 Qisheng Wang , Xiao Li , Shi Jin , Yijiain Chen

This paper introduces a novel method for predicting blockages in millimeter-wave (mmWave) communication systems towards enabling reliable connectivity. It employs a self-supervised learning approach to label radio frequency (RF) data with…

Signal Processing · Electrical Eng. & Systems 2024-12-25 Rafaela Scaciota , Malith Gallage , Sumudu Samarakoon , Mehdi Bennis

This article provides an overview of the current state of machine learning in gravitational-wave research with interferometric detectors. Such applications are often still in their early days, but have reached sufficient popularity to…

General Relativity and Quantum Cosmology · Physics 2025-07-03 Elena Cuoco , Marco Cavaglià , Ik Siong Heng , David Keitel , Christopher Messenger

Millimeter Wave (mmWave) Radar is gaining popularity as it can work in adverse environments like smoke, rain, snow, poor lighting, etc. Prior work has explored the possibility of reconstructing 3D skeletons or meshes from the noisy and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Anjun Chen , Xiangyu Wang , Shaohao Zhu , Yanxu Li , Jiming Chen , Qi Ye

Millimeter-wave (mm-wave) communication is a key technology for future wireless networks. To combat significant path loss and exploit the abundant mm-wave spectrum, effective beamforming is crucial. Nevertheless, conventional fully digital…

Signal Processing · Electrical Eng. & Systems 2019-12-05 Jun Zhang , Xianghao Yu , Khaled B. Letaief

Traditional machine learning techniques have achieved great success in improving data-rate performance and reducing latency in millimeter wave (mmWave) communications. However, these methods still face two key challenges: (i) their reliance…

Information Theory · Computer Science 2025-02-14 Yuwen Cao , Wenqin Lu , Tomoaki Ohtsuki , Setareh Maghsudi , Xue-Qin Jiang , Charalampos C. Tsimenidis

The wide bandwidths available at millimeter-wave (mmWave) frequencies have offered exciting potential to wireless communication systems and radar alike. Communication systems can offer higher rates and support more users with mmWave bands…

Signal Processing · Electrical Eng. & Systems 2019-11-27 Hardik B. Jain , Ian P. Roberts , Sriram Vishwanath

Deep learning methods can be found in many medical imaging applications. Recently, those methods were applied directly to the RF ultrasound multi-channel data to enhance the quality of the reconstructed images. In this paper, we apply a…

Signal Processing · Electrical Eng. & Systems 2020-11-23 Nissim Peretz , Arie Feuer

Enabling highly-mobile millimeter wave (mmWave) systems is challenging because of the huge training overhead associated with acquiring the channel knowledge or designing the narrow beams. Current mmWave beam training and channel estimation…

Information Theory · Computer Science 2018-08-08 Xiaofeng Li , Ahmed Alkhateeb , Cihan Tepedelenlioğlu

Conventional and deep learning-based methods have shown great potential in the medical imaging domain, as means for deriving diagnostic, prognostic, and predictive biomarkers, and by contributing to precision medicine. However, these…

Machine learning plays a critical role in extracting meaningful information out of the zetabytes of sensor data collected every day. For some applications, the goal is to analyze and understand the data to identify trends (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2017-10-18 Vivienne Sze , Yu-Hsin Chen , Joel Emer , Amr Suleiman , Zhengdong Zhang

This paper aims to handle the joint transmitter and noncoherent receiver design for multiuser multiple-input multiple-output (MU-MIMO) systems through deep learning. Given the deep neural network (DNN) based noncoherent receiver, the…

Signal Processing · Electrical Eng. & Systems 2020-04-15 Songyan Xue , Yi Ma , Na Yi , Rahim Tafazolli

Following the success of deep learning in a wide range of applications, neural network-based machine learning techniques have received interest as a means of accelerating magnetic resonance imaging (MRI). A number of ideas inspired by deep…

Signal Processing · Electrical Eng. & Systems 2019-04-03 Florian Knoll , Kerstin Hammernik , Chi Zhang , Steen Moeller , Thomas Pock , Daniel K. Sodickson , Mehmet Akcakaya

We investigate the applicability of deep reinforcement learning algorithms to the adaptive initial access beam alignment problem for mmWave communications using the state-of-the-art proximal policy optimization algorithm as an example. In…

Information Theory · Computer Science 2023-02-20 Daniel Tandler , Sebastian Dörner , Marc Gauger , Stephan ten Brink

This paper investigates the hybrid precoding design for millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems with finite-alphabet inputs. The mmWave MIMO system employs partially-connected hybrid precoding architecture…

Information Theory · Computer Science 2019-02-14 Juening Jin , Chengshan Xiao , Wen Chen , Yongpeng Wu

This thesis considers channel estimation and multiuser (MU) data transmission for massive MIMO systems with fully digital/hybrid structures in mmWave channels. It contains three main contributions. In this thesis, we first propose a…

Information Theory · Computer Science 2018-12-03 Lou Zhao

Highly directional millimeter wave (mmWave) radios need to perform beam management to establish and maintain reliable links. To do so, existing solutions mostly rely on explicit coordination between the transmitter (TX) and the receiver…

Networking and Internet Architecture · Computer Science 2021-06-09 Michele Polese , Francesco Restuccia , Tommaso Melodia

High resolution compressive channel estimation provides information for vehicle localization when a hybrid mmWave MIMO system is considered. Complexity and memory requirements can, however, become a bottleneck when high accuracy…

Signal Processing · Electrical Eng. & Systems 2022-04-05 Yun Chen , Joan Palacios , Nuria González-Prelcic , Takayuki Shimizu , Hongsheng Lu

The issue of privacy has gained significant attention in recent times. Many real-world applications increasingly require the use of sensitive data, such as in surveillance or tracking and assistance systems. To address these concerns, we…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Karim Saifullin , Sajid Ahmed , Mohamed-Slim Alouini
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