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Overcoming the link blockage challenges is essential for enhancing the reliability and latency of millimeter wave (mmWave) and sub-terahertz (sub-THz) communication networks. Previous approaches relied mainly on either (i)…

Signal Processing · Electrical Eng. & Systems 2021-11-17 Shunyao Wu , Muhammad Alrabeiah , Chaitali Chakrabarti , Ahmed Alkhateeb

The sensitivity of millimeter wave (mmWave) signals to blockages is a fundamental challenge for mobile mmWave communication systems. The sudden blockage of the line-of-sight (LOS) link between the base station and the mobile user normally…

Information Theory · Computer Science 2018-07-11 Ahmed Alkhateeb , Iz Beltagy

Line-of-sight link blockages represent a key challenge for the reliability and latency of millimeter wave (mmWave) and terahertz (THz) communication networks. This paper proposes to leverage LiDAR sensory data to provide awareness about the…

Signal Processing · Electrical Eng. & Systems 2021-11-19 Shunyao Wu , Chaitali Chakrabarti , Ahmed Alkhateeb

This paper provides the first real-world evaluation of using visual (RGB camera) data and machine learning for proactively predicting millimeter wave (mmWave) dynamic link blockages before they happen. Proactively predicting line-of-sight…

Signal Processing · Electrical Eng. & Systems 2022-03-04 Gouranga Charan , Ahmed Alkhateeb

Line-of-sight link blockages represent a key challenge for the reliability and latency of millimeter wave (mmWave) and terahertz (THz) communication networks. To address this challenge, this paper leverages mmWave and LiDAR sensory data to…

Signal Processing · Electrical Eng. & Systems 2022-11-18 Shunyao Wu , Chaitali Chakrabarti , Ahmed Alkhateeb

Millimeter wave (mmWave) and sub-terahertz communication systems rely mainly on line-of-sight (LOS) links between the transmitters and receivers. The sensitivity of these high-frequency LOS links to blockages, however, challenges the…

Signal Processing · Electrical Eng. & Systems 2021-11-30 Umut Demirhan , Ahmed Alkhateeb

Unlocking the full potential of millimeter-wave and sub-terahertz wireless communication networks hinges on realizing unprecedented low-latency and high-reliability requirements. The challenge in meeting those requirements lies partly in…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Gouranga Charan , Muhammad Alrabeiah , Ahmed Alkhateeb

In this paper, we consider millimeter Wave (mmWave) technology to provide reliable wireless network service within factories where links may experience rapid and temporary fluctuations of the received signal power due to dynamic blockers,…

Networking and Internet Architecture · Computer Science 2024-10-28 Andrea Bonfante , Lorenzo Galati Giordano , Irene Macaluso , Nicola Marchetti

Predicting the millimeter wave (mmWave) beams and blockages using sub-6GHz channels has the potential of enabling mobility and reliability in scalable mmWave systems. These gains attracted increasing interest in the last few years. Prior…

Information Theory · Computer Science 2019-11-05 Muhammad Alrabeiah , Ahmed Alkhateeb

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

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

The susceptibility of millimeter-wave (mmWave) signals to physical blockage and abrupt signal strength variations presents a challenge to reliable 5G communication. This work proposes and examines the feasibility of utilizing…

Signal Processing · Electrical Eng. & Systems 2019-11-14 Ziad Ali , Alexandra Duel-Hallen , Hans Hallen

In this letter, the mmAlert system, predicting millimeter wave (mmWave) link blockage during data communication, is elaborated and demonstrated. The passive sensing method is adopted for mobile blocker detection, where two receive beams…

Signal Processing · Electrical Eng. & Systems 2023-02-23 Chao Yu , Yifei Sun , Yan Luo , Rui Wang

The performance of millimeter-wave (mmWave) and sub-terahertz (sub-THz) communication systems is significantly impaired by sensitivity to sudden blockages. In this work, we employ machine learning (ML) and our physics-based simulation tool…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Roghieh Mahdavihaji , Alexandra Duel-Hallen , Hans Hallen

5G millimeter wave (mmWave) technology is envisioned to be an integral part of next-generation vehicle-to-everything (V2X) networks and autonomous vehicles due to its broad bandwidth, wide field of view sensing, and precise localization…

Signal Processing · Electrical Eng. & Systems 2018-08-06 Chethan Kumar Anjinappa , Ismail Guvenc

Millimeter wave communications are essential for modern wireless networks. It supports high data rates but suffers from severe path loss, which requires precise beam alignment to maintain reliable links. This beam management is particularly…

Signal Processing · Electrical Eng. & Systems 2025-11-05 Ailton Oliveira , Amir Khatibi , Daniel Suzuki , Ilan Correa , José Rezende , Aldebaro Klautau

Benefiting from huge bandwidth resources, millimeter-wave (mmWave) communications provide one of the most promising technologies for next-generation wireless networks. To compensate for the high pathloss of mmWave signals, large-scale…

Information Theory · Computer Science 2021-12-14 Ke Ma , Zhaocheng Wang , Wenqiang Tian , Sheng Chen , Lajos Hanzo

Vehicular communication systems operating in the millimeter wave (mmWave) band are highly susceptible to signal blockage from dynamic obstacles such as vehicles, pedestrians, and infrastructure. To address this challenge, we propose a…

Machine Learning · Computer Science 2025-07-22 Ahmad M. Nazar , Abdulkadir Celik , Mohamed Y. Selim , Asmaa Abdallah , Daji Qiao , Ahmed M. Eltawil

The millimeter wave (mmWave) frequencies offer the potential for enormous capacity wireless links. However, designing robust communication systems at these frequencies requires that we understand the channel dynamics over both time and…

Signal Processing · Electrical Eng. & Systems 2017-12-18 Christopher Slezak , Aditya Dhananjay , Sundeep Rangan

With the explosive growth of mobile data demand, the fifth generation (5G) mobile network would exploit the enormous amount of spectrum in the millimeter wave (mmWave) bands to greatly increase communication capacity. There are fundamental…

Networking and Internet Architecture · Computer Science 2015-02-26 Yong Niu , Yong Li , Depeng Jin , Li Su , Athanasios V. Vasilakos
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