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相关论文: LoS Coverage Analysis for UAV-based THz Communicat…

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This paper introduces a novel line-of-sight (LoS) $\beta-\gamma$ terahertz (THz) channel model that closely mirrors physical reality by considering radiation trapping. Our channel model provides an exhaustive modeling of the physical…

信号处理 · 电气工程与系统科学 2023-08-22 Anish Pradhan , J. Kartheek Devineni , Andreas F. Molisch , Harpreet S. Dhillon

We propose a novel method for aerial visual localization over low Level-of-Detail (LoD) city models. Previous wireframe-alignment-based method LoD-Loc has shown promising localization results leveraging LoD models. However, LoD-Loc mainly…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Juelin Zhu , Shuaibang Peng , Long Wang , Hanlin Tan , Yu Liu , Maojun Zhang , Shen Yan

In UAV-to-UAV communication, airborne UAVs need to detect the location and direction of ultra-high-speed millimeter-wave (mmWave) and Terahertz (THz) coverage areas, referred to as ultra-spots. This predictive capability allows UAVs to…

系统与控制 · 电气工程与系统科学 2026-05-26 Phuc Duc Nguyen , Ryosuke Isogai , Keitarou Kondou , Satoshi Yasuda , Nobuyasu Shiga , Yozo Shoji

Owning abundant bandwidth resource, the Terahertz (0.1-10 THz) band is a promising spectrum to support sixth-generation (6G) and beyond communications. As the foundation of channel study in the spectrum, channel measurement is ongoing in…

信息论 · 计算机科学 2022-11-22 Yiqin Wang , Yuanbo Li , Yi Chen , Ziming Yu , Chong Han

Unmanned Aerial Vehicles (UAVs) offer a promising solution for enhancing wireless connectivity and Quality of Service (QoS) in urban environments, acting as aerial Wi-Fi access points or cellular base stations. Their flexibility and rapid…

网络与互联网体系结构 · 计算机科学 2026-03-10 Kamran Shafafi , Manuel Ricardo , Rui Campos

Wireless communications over Terahertz (THz)-band frequencies are vital enablers of ultra-high rate applications and services in sixth-generation (6G) networks. However, THz communications suffer from poor coverage because of inherent THz…

Unmanned aerial vehicle (UAV) has the advantages of large coverage and flexibility, which could be applied in disaster management to provide wireless services to the rescuers and victims. When UAVs forms an aerial mesh network,…

机器人学 · 计算机科学 2023-11-28 Zhiqing Wei , Jialin Zhu , Zijun Guo , Fan Ning

High-rate satellite communications among hundreds and even thousands of satellites deployed at low-Earth orbits (LEO) will be an important element of the forthcoming sixth-generation (6G) of wireless systems beyond 2030. With millimeter…

网络与互联网体系结构 · 计算机科学 2024-10-28 Sergi Aliaga , Vitaly Petrov , Josep M. Jornet

Terahertz (THz) communications are envisioned as a promising technology for sixth-generation (6G) and beyond systems, owing to its unprecedented multi-gigahertz (GHz) bandwidth. In this paper, channel measurement campaigns in indoor…

信息论 · 计算机科学 2022-05-03 Yi Chen , Chong Han , Ziming Yu , Guangjian Wang

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…

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…

信号处理 · 电气工程与系统科学 2024-11-14 Wuhan Chen , Yuheng Fan , Chuang Yang , Mugen Peng

The Terahertz (THz) band (0.1-10 THz) has been envisioned as one of the promising spectrum bands for sixth-generation (6G) and beyond communications. In this paper, a dual-band angular-resolvable wideband channel measurement in an indoor…

信息论 · 计算机科学 2023-05-24 Yiqin Wang , Yuanbo Li , Chong Han , Yi Chen , Ziming Yu

In this paper, we study the joint 3D placement of unmanned aerial vehicles (UAVs) and UAVs-users association under bandwidth limitation and quality of service constraint. In particular, in order to allow to UAVs to dynamically improve their…

信号处理 · 电气工程与系统科学 2018-10-30 Hajar El Hammouti , Mustapha Benjillali , Basem Shihada , Mohamed-Slim Alouini

Wireless access points on unmanned aerial vehicles (UAVs) are being considered for mobile service provisioning in commercial networks. To be able to efficiently use these devices in cellular networks it is necessary to first have a…

网络与互联网体系结构 · 计算机科学 2018-01-22 Boris Galkin , Jacek Kibiłda , Luiz A. DaSilva

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…

信号处理 · 电气工程与系统科学 2021-10-04 Dileepa Marasinghe , Nandana Rajatheva , Matti Latva-aho

Next-generation wireless systems are rapidly evolving from communication-only systems to multi-modal systems with integrated sensing and communications. In this paper a novel joint sensing and communication framework is proposed for…

信息论 · 计算机科学 2021-11-30 Christina Chaccour , Walid Saad , Omid Semiari , Mehdi Bennis , Petar Popovski

Terahertz (THz) communications are regarded as a pillar technology for the sixth generation (6G) wireless systems, by offering multi-ten-GHz bandwidth. To overcome the short transmission distance and huge propagation loss, ultra-massive…

信息论 · 计算机科学 2021-10-06 Chong Han , Longfei Yan , Jinhong Yuan

This paper focuses on Point-to-Point LoRa connections. We report on coverage measurements performed in three distinct environments, i.e., coastal, forest and urban. Our field experiments demonstrate coverage up to 1 km with antennas at only…

信号处理 · 电气工程与系统科学 2019-09-19 Gilles Callebaut , Guus Leenders , Chesney Buyle , Stijn Crul , Liesbet Van der Perre

Free-space optical (FSO) communication requires light of sight (LoS) between the transmitter and the receiver. For long-distance communication, many research projects have been conducted towards using a network composed of high-altitude…

网络与互联网体系结构 · 计算机科学 2023-01-23 Dieu Linh Truong , The Ngoc Dang

Terahertz (0.1-10 THz) communications are envisioned as a key technology for sixth generation (6G) wireless systems. The study of underlying THz wireless propagation channels provides the foundations for the development of reliable THz…

信息论 · 计算机科学 2022-06-10 Chong Han , Yiqin Wang , Yuanbo Li , Yi Chen , Naveed A. Abbasi , Thomas Kürner , Andreas F. Molisch