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Millimeter-wave (mmWave) and terahertz (THz) communication systems typically deploy large antenna arrays to guarantee sufficient receive signal power. The beam training overhead associated with these arrays, however, make it hard for these…

Signal Processing · Electrical Eng. & Systems 2022-05-25 Gouranga Charan , Andrew Hredzak , Christian Stoddard , Benjamin Berrey , Madhav Seth , Hector Nunez , Ahmed Alkhateeb

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

This paper presents the first machine learning based real-world demonstration for radar-aided beam prediction in a practical vehicular communication scenario. Leveraging radar sensory data at the communication terminals provides important…

Signal Processing · Electrical Eng. & Systems 2021-11-19 Umut Demirhan , Ahmed Alkhateeb

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

Millimeter-wave (mmWave) and terahertz (THz) communications require beamforming to acquire adequate receive signal-to-noise ratio (SNR). To find the optimal beam, current beam management solutions perform beam training over a large number…

Signal Processing · Electrical Eng. & Systems 2021-11-30 Shuaifeng Jiang , Ahmed Alkhateeb

Accurately aligning millimeter-wave (mmWave) and terahertz (THz) narrow beams is essential to satisfy reliability and high data rates of 5G and beyond wireless communication systems. However, achieving this objective is difficult,…

Information Theory · Computer Science 2023-08-22 Tawfik Osman , Gouranga Charan , Ahmed Alkhateeb

Communicating on millimeter wave (mmWave) bands is ushering in a new epoch of mobile communication which provides the availability of 10 Gbps high data rate transmission. However, mmWave links are easily prone to short transmission range…

Signal Processing · Electrical Eng. & Systems 2022-05-31 Yi Wang , Zhiqing Wei , Zhiyong Feng

This paper presents the first large-scale real-world evaluation for using LiDAR data to guide the mmWave beam prediction task. A machine learning (ML) model that leverages the LiDAR sensory data to predict the current and future beams was…

Signal Processing · Electrical Eng. & Systems 2022-03-11 Shuaifeng Jiang , Gouranga Charan , Ahmed Alkhateeb

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

Millimeter-wave (mmWave) and terahertz (THz) communication systems adopt large antenna arrays to ensure adequate receive signal power. However, adjusting the narrow beams of these antenna arrays typically incurs high beam training overhead…

Information Theory · Computer Science 2023-02-15 Shoaib Imran , Gouranga Charan , Ahmed Alkhateeb

Millimeter-wave (mmWave) and terahertz (THz) communication systems require large antenna arrays and use narrow directive beams to ensure sufficient receive signal power. However, selecting the optimal beams for these large antenna arrays…

Information Theory · Computer Science 2024-02-23 Shoaib Imran , Gouranga Charan , Ahmed Alkhateeb

Communication in millimeter wave (mmWave) and even terahertz (THz) frequency bands is ushering in a new era of wireless communications. Beam management, namely initial access and beam tracking, has been recognized as an essential technique…

Information Theory · Computer Science 2024-02-07 Qing Xue , Chengwang Ji , Shaodan Ma , Jiajia Guo , Yongjun Xu , Qianbin Chen , Wei Zhang

Millimeter wave (mmWave) communication, utilizing beamforming techniques to address the inherent path loss limitation, is considered as one of the key technologies to support ever increasing high throughput and low latency demands of…

Networking and Internet Architecture · Computer Science 2026-02-17 Muhammad Baqer Mollah , Honggang Wang , Mohammad Ataul Karim , Hua Fang

Vision-aided wireless communication is motivated by the recent advances in deep learning and computer vision as well as the increasing dependence on line-of-sight links in millimeter wave (mmWave) and terahertz systems. By leveraging…

Signal Processing · Electrical Eng. & Systems 2020-02-14 Muhammad Alrabeiah , Jayden Booth , Andrew Hredzak , Ahmed Alkhateeb

Terahertz (THz) communications, with their substantial bandwidth, are essential for meeting the ultra-high data rate demands of emerging high-mobility scenarios such as vehicular-to-everything (V2X) networks. In these contexts, beamwidth…

Signal Processing · Electrical Eng. & Systems 2024-11-14 Wuhan Chen , Yuheng Fan , Chuang Yang , Mugen Peng

Millimeter-wave (mmWave) technology is increasingly recognized as a pivotal technology of the sixth-generation communication networks due to the large amounts of available spectrum at high frequencies. However, the huge overhead associated…

Beam training and prediction in millimeter-wave communications are highly challenging due to fast time-varying channels and sensitivity to blockages and mobility. In this context, infrastructure-mounted cameras can capture rich…

Signal Processing · Electrical Eng. & Systems 2026-01-29 Mengyuan Ma , Nhan Thanh Nguyen , Nir Shlezinger , Yonina C. Eldar , Markku Juntti

Leveraging sensory information to aid the millimeter-wave (mmWave) and sub-terahertz (sub-THz) beam selection process is attracting increasing interest. This sensory data, captured for example by cameras at the basestations, has the…

Information Theory · Computer Science 2023-08-15 Gouranga Charan , Muhammad Alrabeiah , Tawfik Osman , Ahmed Alkhateeb

In order to cope with the severe path loss, millimeter-wave (mm-wave) systems exploit highly directional communication. As a consequence, even a slight beam misalignment between two communicating devices (for example, due to mobility) can…

Networking and Internet Architecture · Computer Science 2016-12-26 Joan Palacios , Danilo De Donno , Joerg Widmer

Supporting high mobility in millimeter wave (mmWave) systems enables a wide range of important applications such as vehicular communications and wireless virtual/augmented reality. Realizing this in practice, though, requires overcoming…

Information Theory · Computer Science 2019-02-25 Ahmed Alkhateeb , Sam Alex , Paul Varkey , Ying Li , Qi Qu , Djordje Tujkovic
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