English
Related papers

Related papers: Zero-Shot Generalization for Blockage Localization…

200 papers

Millimeter wave (mmWave) communication is a key component of 5G and beyond. Harvesting the gains of the large bandwidth and low latency at mmWave systems, however, is challenged by the sensitivity of mmWave signals to blockages; a sudden…

Machine Learning · Computer Science 2021-02-09 Shunyao Wu , Muhammad Alrabeiah , Andrew Hredzak , Chaitali Chakrabarti , Ahmed Alkhateeb

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

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

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

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

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

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

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

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 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

This article introduces a new method to improve the dependability of millimeter-wave (mmWave) and terahertz (THz) network services in dynamic outdoor environments. In these settings, line-of-sight (LoS) connections are easily interrupted by…

Networking and Internet Architecture · Computer Science 2023-07-14 Mohammad Al-Quraan , Ahmed Zoha , Anthony Centeno , Haythem Bany Salameh , Sami Muhaidat , Muhammad Ali Imran , Lina Mohjazi

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

The millimeter wave (mmWave) bands have attracted considerable attention for high precision localization applications due to the ability to capture high angular and temporal resolution measurements. This paper explores mmWave-based…

Radio localization and sensing are anticipated to play a crucial role in enhancing radio resource management in future networks. In this work, we focus on millimeter-wave communications, which are highly vulnerable to blockages, leading to…

Signal Processing · Electrical Eng. & Systems 2024-05-15 Hiba Dakdouk , Mohamed Sana , Benoit Denis

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 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

Millimeter wave (mmWave) beam-tracking based on machine learning enables the development of accurate tracking policies while obviating the need to periodically solve beam-optimization problems. However, its applicability is still arguable…

Machine Learning · Computer Science 2021-07-13 Masao Shinzaki , Yusuke Koda , Koji Yamamoto , Takayuki Nishio , Masahiro Morikura , Yushi Shirato , Daisei Uchida , Naoki Kita

The fundamental challenge of the millimeter-wave (mmWave) frequency band is the sensitivity of the radio channel to blockages, which gives rise to unstable connectivity and impacts the reliability of a system. To this end, multi-point…

Signal Processing · Electrical Eng. & Systems 2021-02-16 Dileep Kumar , Jarkko Kaleva , Antti Tölli

Wireless applications that use high-reliability low-latency links depend critically on the capability of the system to predict link quality. This dependence is especially acute at the high carrier frequencies used by mmWave and THz systems,…

Information Theory · Computer Science 2021-10-06 Anders E. Kalør , Osvaldo Simeone , Petar Popovski
‹ Prev 1 2 3 10 Next ›