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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…

网络与互联网体系结构 · 计算机科学 2021-06-09 Michele Polese , Francesco Restuccia , Tommaso Melodia

Intelligent reflecting surfaces (IRS) have been proposed in millimeter wave (mmWave) and terahertz (THz) systems to achieve both coverage and capacity enhancement, where the design of hybrid precoders, combiners, and the IRS typically…

信息论 · 计算机科学 2023-05-31 Shuntian Zheng , Sheng Wu , Chunxiao Jiang , Wei Zhang , Xiaojun Jing

Deep learning, as a highly efficient method for metasurface inverse design, commonly use simulation data to train deep neural networks (DNNs) that can map desired functionalities to proper metasurface designs. However, the assumptions and…

信号处理 · 电气工程与系统科学 2023-08-07 Jingxin Zhang , Jiawei Xi , Peixing Li , Ray C. C. Cheung , Alex M. H. Wong , Jensen Li

To address communication latency issues, the Third Generation Partnership Project (3GPP) has defined Cellular-Vehicle to Everything (C-V2X) technology, which includes Vehicle-to-Vehicle (V2V) communication for direct vehicle-to-vehicle…

机器学习 · 计算机科学 2025-06-19 Zheng Zhang , Qiong Wu , Pingyi Fan , Nan Cheng , Wen Chen , Khaled B. Letaief

Autonomous underwater vehicles (AUV) perform various applications such as seafloor mapping and underwater structure health monitoring. Commonly, an inertial navigation system aided by a Doppler velocity log (DVL) is used to provide the…

机器人学 · 计算机科学 2022-07-22 Nadav Cohen , Itzik Klein

In this document, we revise the results of [1] based on more reasonable assumptions regarding data shuffling and parameter setup of deep neural networks (DNNs). Thus, the simulation results can now more reasonably demonstrate the…

信号处理 · 电气工程与系统科学 2025-02-04 Weihua Xu , Feifei Gao , Xiaoming Tao , Jianhua Zhang , Ahmed Alkhateeb

The current dominant approach for neural speech enhancement is based on supervised learning by using simulated training data. The trained models, however, often exhibit limited generalizability to real-recorded data. To address this, this…

音频与语音处理 · 电气工程与系统科学 2025-03-25 Zhong-Qiu Wang

Resource allocation has a direct and profound impact on the performance of vehicle-to-everything (V2X) networks. Considering the dynamic nature of vehicular environments, it is appealing to devise a decentralized strategy to perform…

网络与互联网体系结构 · 计算机科学 2019-08-12 Liang Wang , Hao Ye , Le Liang , Geoffrey Ye Li

This paper proposes a deep reinforcement learning-based video streaming scheme for mobility-aware vehicular networks, e.g., vehicles on the highway. We consider infrastructure-assisted and mmWave-based scenarios in which the macro base…

网络与互联网体系结构 · 计算机科学 2021-11-19 Won Joon Yun , Dohyun Kwon , Minseok Choi , Joongheon Kim , Guiseppe Caire , Andreas F. Molisch

In an aerial hybrid massive multiple-input multiple-output (MIMO) and orthogonal frequency division multiplexing (OFDM) system, how to design a spectral-efficient broadband multi-user hybrid beamforming with a limited pilot and feedback…

信号处理 · 电气工程与系统科学 2022-09-12 Zhen Gao , Minghui Wu , Chun Hu , Feifei Gao , Guanghui Wen , Dezhi Zheng , Jun Zhang

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

The world is moving towards faster data transformation with more efficient localization of a user being the preliminary requirement. This work investigates the use of a deep learning technique for wireless localization, considering both…

信号处理 · 电气工程与系统科学 2020-03-02 Udita Bhattacherjee , Chethan Kumar Anjinappa , LoyCurtis Smith , Ender Ozturk , Ismail Guvenc

Robust beamforming design under imperfect channel state information (CSI) is a fundamental challenge in multiuser multiple-input multiple-output (MU-MIMO) systems, particularly when the channel estimation error statistics are unknown.…

信息论 · 计算机科学 2025-12-17 Wenzhuo Zou , Ming-Min Zhao , An Liu , Min-Jian Zhao

Understanding transformations under electron beam irradiation requires mapping the structural phases and their evolution in real time. To date, this has mostly been a manual endeavor comprising of difficult frame-by-frame analysis that is…

Cellular-connected unmanned aerial vehicle (UAV) is a promising technology to unlock the full potential of UAVs in the future. However, how to achieve ubiquitous three-dimensional (3D) communication coverage for the UAVs in the sky is a new…

信号处理 · 电气工程与系统科学 2020-03-18 Yong Zeng , Xiaoli Xu , Shi Jin , Rui Zhang

This paper investigates the spectrum sharing problem in vehicular networks based on multi-agent reinforcement learning, where multiple vehicle-to-vehicle (V2V) links reuse the frequency spectrum preoccupied by vehicle-to-infrastructure…

信息论 · 计算机科学 2019-06-11 Le Liang , Hao Ye , Geoffrey Ye Li

Reliable and fast channel estimation is crucial for next-generation wireless networks supporting a wide range of vehicular and low-latency services. Recently, deep learning (DL) based channel estimation has been explored as an efficient…

硬件体系结构 · 计算机科学 2023-05-02 Syed Asrar ul haq , Abdul Karim Gizzini , Shakti Shrey , Sumit J. Darak , Sneh Saurabh , Marwa Chafii

This letter presents a deep reinforcement learning (DRL) approach for transmission design to optimize the energy efficiency in vehicle-to-vehicle (V2V) communication links. Considering the dynamic environment of vehicular communications,…

信号处理 · 电气工程与系统科学 2024-04-22 Zhengpeng Wang , Yanqun Tang , Yingzhe Mao , Tao Wang , Xiunan Huang

Autonomous deployment of unmanned aerial vehicles (UAVs) supporting next-generation communication networks requires efficient trajectory planning methods. We propose a new end-to-end reinforcement learning (RL) approach to UAV-enabled data…

机器学习 · 计算机科学 2021-01-28 Harald Bayerlein , Mirco Theile , Marco Caccamo , David Gesbert

Millimeter-wave (mmWave) radar provides reliable perception in visually degraded indoor environments (e.g., smoke, dust, and low light), but learning-based radar perception is bottlenecked by the scarcity and cost of collecting and…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Emily Bejerano , Federico Tondolo , Ayaan Qayyum , Xiaofan Yu , Xiaofan Jiang