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TeraHertz (THz) communications are envisioned as a promising technology, owing to its unprecedented multi-GHz bandwidth. One fundamental challenge when moving to new spectrum is to understand the science of radio propagation and develop an…

信息论 · 计算机科学 2021-02-01 Yi Chen , Yuanbo Li , Chong Han , Ziming Yu , Guangjian Wang

In this paper, we investigate a self-sensing intelligent reflecting surface (IRS) aided millimeter wave (mmWave) integrated sensing and communication (ISAC) system. Unlike the conventional purely passive IRS, the self-sensing IRS can…

信号处理 · 电气工程与系统科学 2023-11-15 Zijian Chen , Ming-Min Zhao , Min Li , Fan Xu , Qingqing Wu , Min-Jian Zhao

Integrated sensing and communication (ISAC) in the terahertz (THz) band enables obstacle detection, which in turn facilitates efficient beam management to mitigate THz signal blockage. Simultaneously, a THz radio map, which captures signal…

信号处理 · 电气工程与系统科学 2025-04-01 Tianyu Hu , Shuai Wang , Yunhang Xie , Lingxiang Li , Zhi Chen , Boyu Ning , Wassim Hamidouche , Lina Bariah , Samson Lasaulce , Merouane Debbah

Terahertz (THz) tomography is a rather novel technique for nondestructive testing that is particularly suited for the testing of plastics and ceramics. Previous publications showed a large variety of conventional algorithms adapted from…

数值分析 · 数学 2016-01-19 Jens Tepe , Thomas Schuster , Benjamin Littau

Recently, environment reconstruction (ER) in integrated sensing and communication (ISAC) systems has emerged as a promising approach for achieving high-resolution environmental perception. However, the initial results obtained from ISAC…

网络与互联网体系结构 · 计算机科学 2026-01-06 Nguyen Duc Minh Quang , Chang Liu , Shuangyang Li , Hoai-Nam Vu , Derrick Wing Kwan Ng , Wei Xiang

This paper presents a new integrated sensing and communication (ISAC) framework, leveraging the recent advancements of reconfigurable distributed antenna and reflecting surface (RDARS). RDARS is a programmable surface structure comprising…

信息论 · 计算机科学 2024-01-11 Pingping Zhang , Jintao Wang , Yulin Shao , Shaodan Ma

This paper investigates the design of integrated sensing and communication (ISAC) systems assisted by simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs), which act as multi-functional programmable…

信号处理 · 电气工程与系统科学 2026-02-19 Ziming Liu , Tao Chen , Giacinto Gelli , Vincenzo Galdi , Francesco Verde

Integrated sensing and communications (ISAC) is emerging as a cornerstone technology for sixth generation (6G) wireless systems, unifying connectivity and environmental mapping through shared hardware, spectrum, and waveforms. The following…

信号处理 · 电气工程与系统科学 2025-09-09 Ahmad Bazzi , Mingjun Ying , Ojas Kanhere , Theodore S. Rappaport , Marwa Chafii

Integrated ultra-massive multiple-input multiple-output (UM-MIMO) and intelligent reflecting surface (IRS) systems are promising for 6G and beyond Terahertz (0.1-10 THz) communications, to effectively bypass the barriers of limited coverage…

信息论 · 计算机科学 2022-05-27 Yuhang Chen , Renwang Li , Chong Han , Shu Sun , Meixia Tao

With the recent developments on opening the terahertz (THz) spectrum for experimental purposes by the Federal Communications Commission, transceivers operating in the range of 0.1THz-10THz, which are known as THz bands, will enable…

信号处理 · 电气工程与系统科学 2021-03-02 Kürşat Tekbıyık , Ali Rıza Ekti , Güneş Karabulut Kurt , Ali Görçin , Serhan Yarkan

The accurate modeling of reflection coefficients is pivotal for developing reliable channel models in emerging terahertz (THz) communications. This study establishes a 300$\sim$400 GHz channel measurement platform to measure the reflection…

信号处理 · 电气工程与系统科学 2026-05-25 Taihao Zhang , Chenzhou Lin , Cunhua Pan , Hong Ren , Ruyi Liu , Yongchao He , Tian Qiu , Bingchang Hua , Jiangzhou Wang

Terahertz (THz) band communications and integrated sensing and communications (ISAC) are two main facets of the sixth generation wireless networks. In order to compensate the severe attenuation, the THz wireless systems employ large arrays,…

信号处理 · 电气工程与系统科学 2024-08-20 Ahmet M. Elbir , Abdulkadir Celik , Ahmed M. Eltawil

Intelligent reflecting surface (IRS)-assisted full-duplex (FD) terahertz (THz) communication systems have emerged as a promising paradigm to satisfy the escalating demand for ultra-high data rates and spectral efficiency in future wireless…

信息论 · 计算机科学 2025-10-30 Chi Qiu , Wen Chen , Qingqing Wu , Fen Hou , Wanming Hao , Ruiqi Liu , Derrick Wing Kwan Ng

The development of mobile terahertz (THz) sensing and localization with minimal infrastructure has garnered significant attention due to its substantial practical implications. Single-antenna radar systems are a favored choice for mobile…

信号处理 · 电气工程与系统科学 2025-02-06 Furkan Ilgac , Aydin Sezgin

Hybrid transceiver design in multiple-input multiple-output (MIMO) Tera-Hertz (THz) systems relying on sparse channel state information (CSI) estimation techniques is conceived. To begin with, a practical MIMO channel model is developed for…

信号处理 · 电气工程与系统科学 2022-01-12 Suraj Srivastava , Ajeet Tripathi , Neeraj Varshney , Aditya K. Jagannatham , Lajos Hanzo

In this paper, we study the performance of wideband terahertz (THz) communications assisted by an intelligent reflecting surface (IRS). Specifically, we first introduce a generalized channel model that is suitable for electrically large THz…

Terahertz (THz) emission spectroscopy is a powerful method that allows one to measure the ultrafast dynamics of polarization, current, or magnetization in a material based on THz emission from the material. However, the practical…

光学 · 物理学 2021-07-20 Wentao Zhang , Dmitry Turchinovich

Reconfigurable electromagnetic structures (REMSs), such as reconfigurable reflectarrays (RRAs) or reconfigurable intelligent surfaces (RISs), hold significant potential to improve the spectral efficiency of wireless communication systems…

信号处理 · 电气工程与系统科学 2025-12-16 Alexander Stutz-Tirri , Georg Schwan , Christoph Studer

This paper proposes an intelligent reflecting surface (IRS) assisted integrated sensing and communication (ISAC) system operating at the millimeter-wave (mmWave) band. Specifically, the ISAC system combines communication and radar…

信号处理 · 电气工程与系统科学 2024-04-10 Zhengyu Zhu , Zheng Li , Zheng Chu , Gangcan Sun , Wanming Hao , Pei Xiao , Inkyu Lee

In this work, extensive propagation characteristics of short range 240 to 300 GHz terahertz (THz) channels are mapped based on a measurement campaign conducted utilizing a novel, task specific measurement system. The measurement system…

信号处理 · 电气工程与系统科学 2023-06-16 Erhan Karakoca , Hasan Nayir , Güneş Karabulut Kurt , Ali Görçin