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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

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

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

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

The future wireless communication applications demand seamless connectivity, higher throughput, and low latency, for which the millimeter-wave (mmWave) band is considered a potential technology. Nevertheless, line-of-sight (LoS) is often…

Leveraging higher frequencies up to THz band paves the way towards a faster network in the next generation of wireless communications. However, such shorter wavelengths are susceptible to higher scattering and path loss forcing the link to…

Signal Processing · Electrical Eng. & Systems 2021-10-04 Dileepa Marasinghe , Nandana Rajatheva , Matti Latva-aho

The upsurge in wireless devices and real-time service demands force the move to a higher frequency spectrum. Millimetre-wave (mmWave) and terahertz (THz) bands combined with the beamforming technology offer significant performance…

Networking and Internet Architecture · Computer Science 2022-03-31 Mohammad Al-Quraan , Ahsan Khan , Lina Mohjazi , Anthony Centeno , Ahmed Zoha , Muhammad Ali Imran

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

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

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

As wireless communication technology progresses towards the sixth generation (6G), high-frequency millimeter-wave (mmWave) communication has emerged as a promising candidate for enabling vehicular networks. It offers high data rates and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Ghazi Gharsallah , Georges Kaddoum

This article articulates the emerging paradigm, sitting at the confluence of computer vision and wireless communication, to enable beyond-5G/6G mission-critical applications (autonomous/remote-controlled vehicles, visuo-haptic VR, and other…

Computer Vision and Pattern Recognition · Computer Science 2022-01-07 Takayuki Nishio , Yusuke Koda , Jihong Park , Mehdi Bennis , Klaus Doppler

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

The blockage is a key challenge for millimeter wave communication systems, since these systems mainly work on line-of-sight (LOS) links, and the blockage can degrade the system performance significantly. It is recently found that visual…

Signal Processing · Electrical Eng. & Systems 2022-07-27 Ruijin Ding , Weihua Xu , Wanmai Yuan , Feifei Gao

Millimeter-wave communication faces two critical challenges: propagation losses requiring costly narrow-beam alignment, and penetration losses causing link failures from blocked line-of-sight paths. We address propagation loss through a…

Signal Processing · Electrical Eng. & Systems 2026-05-07 Sachira Karunasena , Erfan Khordad , Tom Drummond , Rajitha Senanayake

The support of coexisting ultra-reliable and low-latency (URLL) and enhanced Mobile BroadBand (eMBB) services is a key challenge for the current and future wireless communication networks. Those two types of services introduce strict, and…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Muhammad Alrabeiah , Umut Demirhan , Andrew Hredzak , Ahmed Alkhateeb

Terahertz communications are envisioned as a key enabler for 6G networks. The abundant spectrum available in such ultra high frequencies has the potential to increase network capacity to huge data rates. However, they are extremely affected…

Networking and Internet Architecture · Computer Science 2025-01-14 Pablo Fondo-Ferreiro , Cristina López-Bravo , Francisco Javier González-Castaño , Felipe Gil-Castiñeira , David Candal-Ventureira

Sixth-generation (6G) wireless networks evolve from connecting devices to connecting intelligence. The focus turns to Goal-Oriented Communications, where the effectiveness of communication is assessed through task-level objectives over…

Networking and Internet Architecture · Computer Science 2026-03-16 Lorenzo Mario Amorosa , Zhan Gao , Tony Chahoud , Yiqun Wu , Lukas Eller , Marco Skocaj , Roberto Verdone

In mmWave wireless networks, signal blockages present a significant challenge due to the susceptibility to environmental moving obstructions. Recently, the availability of visual data has been leveraged to enhance blockage prediction…

Signal Processing · Electrical Eng. & Systems 2025-01-22 Mohammad Ghassemi , Han Zhang , Ali Afana , Akram Bin Sediq , Melike Erol-Kantarci

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
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