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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…

信号处理 · 电气工程与系统科学 2021-11-19 Umut Demirhan , Ahmed Alkhateeb

In the advent of next-generation wireless communication, millimeter-wave (mmWave) and terahertz (THz) technologies are pivotal for their high data rate capabilities. However, their reliance on large antenna arrays and narrow directive beams…

信号处理 · 电气工程与系统科学 2024-12-09 Gouranga Charan , Ahmed Alkhateeb

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…

信号处理 · 电气工程与系统科学 2022-05-25 Gouranga Charan , Andrew Hredzak , Christian Stoddard , Benjamin Berrey , Madhav Seth , Hector Nunez , Ahmed Alkhateeb

The integration of sensing capability in the design of wireless communication systems is foreseen as a key enabler for efficient radio resource management in next-generation networks. This paper focuses on millimeter-wave communications,…

信号处理 · 电气工程与系统科学 2023-07-03 Mohamed Sana , Hiba Dakdouk , Benoit Denis

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…

信号处理 · 电气工程与系统科学 2024-12-25 Rafaela Scaciota , Malith Gallage , Sumudu Samarakoon , Mehdi Bennis

The surge in mobile broadband data demands is expected to surpass the available spectrum capacity below 6 GHz. This expectation has prompted the exploration of millimeter wave (mm-wave) frequency bands as a candidate technology for next…

信息论 · 计算机科学 2017-12-21 Yahia Shabara , C. Emre Koksal , Eylem Ekici

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…

信号处理 · 电气工程与系统科学 2025-11-05 Ailton Oliveira , Amir Khatibi , Daniel Suzuki , Ilan Correa , José Rezende , Aldebaro Klautau

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…

信号处理 · 电气工程与系统科学 2019-11-14 Ziad Ali , Alexandra Duel-Hallen , Hans Hallen

Huge overhead of beam training imposes a significant challenge in millimeter-wave (mmWave) wireless communications. To address this issue, in this paper, we propose a wide beam based training approach to calibrate the narrow beam direction…

信号处理 · 电气工程与系统科学 2021-07-21 Ke Ma , Dongxuan He , Hancun Sun , Zhaocheng Wang , Sheng Chen

Technology forecasts anticipate a new era in which massive numbers of humans, machines, and things are connected to wireless networks to sense, process, act, and communicate with the surrounding environment in a real-time manner. To make…

Terahertz (THz) band is considered a promising candidate to meet the high-throughput requirement for future sixth-generation (6G) wireless communications due to its ultrawide bandwidth. However, due to the high penetration loss at…

信号处理 · 电气工程与系统科学 2025-10-30 Caihao Weng , Yuqing Guo , Bowen Zhao , Ying Wang , Wen Chen , Zhendong Li

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…

信息论 · 计算机科学 2024-02-23 Shoaib Imran , Gouranga Charan , Ahmed Alkhateeb

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…

网络与互联网体系结构 · 计算机科学 2026-03-16 Lorenzo Mario Amorosa , Zhan Gao , Tony Chahoud , Yiqun Wu , Lukas Eller , Marco Skocaj , Roberto Verdone

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…

信号处理 · 电气工程与系统科学 2021-11-30 Shuaifeng Jiang , 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…

信号处理 · 电气工程与系统科学 2022-11-15 Gouranga Charan , Andrew Hredzak , Ahmed Alkhateeb

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…

信息论 · 计算机科学 2023-02-15 Shoaib Imran , Gouranga Charan , 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…

信号处理 · 电气工程与系统科学 2021-11-16 Gouranga Charan , Tawfik Osman , Andrew Hredzak , Ngwe Thawdar , Ahmed Alkhateeb

Machine-learning-based prediction of future wireless link quality is an emerging technique that can potentially improve the reliability of wireless communications, especially at higher frequencies (e.g., millimeter-wave and terahertz…

网络与互联网体系结构 · 计算机科学 2022-02-11 Sohei Itahara , Takayuki Nishio , Masahiro Morikura , Koji Yamamoto

In this paper, we propose an environment semantics aided wireless communication framework to reduce the transmission latency and improve the transmission reliability, where semantic information is extracted from environment image data,…

信号处理 · 电气工程与系统科学 2023-01-18 Yuwen Yang , Feifei Gao , Xiaoming Tao , Guangyi Liu , Chengkang Pan

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,…

信息论 · 计算机科学 2023-08-22 Tawfik Osman , Gouranga Charan , Ahmed Alkhateeb