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This article investigates the problem of dynamic spectrum access for canonical wireless networks, in which the channel states are time-varying. In the most existing work, the commonly used optimization objective is to maximize the…

Information Theory · Computer Science 2017-07-31 Yuhua Xu , Jinlong Wang , Qihui Wu , Jianchao Zheng , Liang Shen , Alagan Anpalagan

This paper investigates a novel research direction that leverages vision to help overcome the critical wireless communication challenges. In particular, this paper considers millimeter wave (mmWave) communication systems, which are…

Information Theory · Computer Science 2019-11-18 Muhammad Alrabeiah , Andrew Hredzak , Ahmed Alkhateeb

Communication in Millimeter wave (mmWave) band relies on narrow beams due to directionality, high path loss, and shadowing. One can use beam alignment (BA) techniques to find and adjust the direction of these narrow beams. In this paper, BA…

Information Theory · Computer Science 2022-01-19 Abbas Khalili , Shahram Shahsavari , Mohammad A. Amir Khojastepour , Elza Erkip

Semantic communication is a new paradigm that aims at providing more efficient communication for the next-generation wireless network. It focuses on transmitting extracted, meaningful information instead of the raw data. However, deep…

Social and Information Networks · Computer Science 2025-01-09 Yang Li , Xinyu Zhou , Jun Zhao

Millimeter-wave communication is a challenge in the highly mobile vehicular context. Traditional beam training is inadequate in satisfying low overheads and latency. In this paper, we propose to combine machine learning tools and…

Information Theory · Computer Science 2018-05-24 Yuyang Wang , Murali Narasimha , Robert W. Heath

Millimeter-wave communications rely on narrow-beam transmissions to cope with the strong signal attenuation at these frequencies, thus demanding precise alignment between transmitter and receiver. However, the beam-alignment procedure may…

Information Theory · Computer Science 2018-10-10 Muddassar Hussain , Nicolo Michelusi

Millimeter wave (mmWave) and terahertz (THz) drones have the potential to enable several futuristic applications such as coverage extension, enhanced security monitoring, and disaster management. However, these drones need to deploy large…

Signal Processing · Electrical Eng. & Systems 2022-11-15 Gouranga Charan , Andrew Hredzak , Ahmed Alkhateeb

The main focus of beam alignment is to find the optimal beam which yields the largest received signal strength (RSS) with faster speed.In this paper, we demonstrate an efficient beam alignment scheme with our testbed. The algorithm we…

Signal Processing · Electrical Eng. & Systems 2020-03-09 Junyeol Hong , Hyeonjin Chung , Sunwoo Kim

Millimeter-wave (mmWave) communication enables high data rates for cellular-connected Unmanned Aerial Vehicles (UAVs). However, a robust beam management remains challenging due to significant path loss and the dynamic mobility of UAVs,…

Signal Processing · Electrical Eng. & Systems 2025-07-15 Vendi Ardianto Nugroho , Byung Moo Lee

In this paper, we propose a deep learning-based beam tracking method for millimeter-wave (mmWave)communications. Beam tracking is employed for transmitting the known symbols using the sounding beams and tracking time-varying channels to…

Signal Processing · Electrical Eng. & Systems 2022-12-05 Sun Hong Lim , Sunwoo Kim , Byonghyo Shim , Jun Won Choi

We propose a deep learning based novel prediction framework for enhanced bandwidth reduction in motion transfer enabled video applications such as video conferencing, virtual reality gaming and privacy preservation for patient health…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Xue Bai , Tasmiah Haque , Sumit Mohan , Yuliang Cai , Byungheon Jeong , Adam Halasz , Srinjoy Das

Enabling highly-mobile millimeter wave (mmWave) and terahertz (THz) wireless communication applications requires overcoming the critical challenges associated with the large antenna arrays deployed at these systems. In particular, adjusting…

Signal Processing · Electrical Eng. & Systems 2021-11-16 Gouranga Charan , Tawfik Osman , Andrew Hredzak , Ngwe Thawdar , Ahmed Alkhateeb

Hierarchical search in millimeter-wave (mmWave) communications incurs significant beam training overhead and delay, especially in a dynamic environment. Deep learning-enabled beam prediction is promising to significantly mitigate the…

Information Theory · Computer Science 2024-09-30 Tianheng Lu , Fan Meng , Zhilei Zhang , Yongming Huang , Cheng Zhang , Xiaoyu Bai

An efficient and flexible engine for computing fixed points is critical for many practical applications. In this paper, we firstly present a goal-directed fixed point computation strategy in the logic programming paradigm. The strategy…

Programming Languages · Computer Science 2007-05-23 Hai-Feng Guo , Gopal Gupta

Resource allocation and transceivers in wireless networks are usually designed by solving optimization problems subject to specific constraints, which can be formulated as variable or functional optimization. If the objective and constraint…

Machine Learning · Computer Science 2020-01-06 Dong Liu , Chengjian Sun , Chenyang Yang , Lajos Hanzo

Hierarchical beam search in mmWave communications incurs substantial training overhead, necessitating deep learning-enabled beam predictions to effectively leverage channel priors and mitigate this overhead. In this study, we introduce a…

Information Theory · Computer Science 2024-01-04 Fan Meng , Cheng Zhang , Yongming Huang , Zhilei Zhang , Xiaoyu Bai , Zhaohua Lu

Phase-time arrays, which integrate phase shifters (PSs) and true-time delays (TTDs), have emerged as a cost-effective architecture for generating frequency-dependent rainbow beams in wideband sensing and localization. This paper proposes an…

Machine Learning · Computer Science 2026-04-21 Yeyue Cai , Jianhua Mo , Meixia Tao

Channel charting builds a map of the radio environment in an unsupervised way. The obtained chart locations can be seen as low-dimensional compressed versions of channel state information that can be used for a wide variety of applications,…

Beam alignment (BA) is to ensure the transmitter and receiver beams are accurately aligned to establish a reliable communication link in millimeter-wave (mmwave) systems. Existing BA methods search the entire beam space to identify the…

Signal Processing · Electrical Eng. & Systems 2019-09-10 Wen Wu , Nan Cheng , Ning Zhang , Peng Yang , Weihua Zhuang , Xuemin , Shen

This paper proposes a paradigm of uncertainty injection for training deep learning model to solve robust optimization problems. The majority of existing studies on deep learning focus on the model learning capability, while assuming the…

Machine Learning · Computer Science 2023-02-28 Wei Cui , Wei Yu
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