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Considerable efforts have been devoted to statistical modeling and the characterization of channels in a range of statistical models for fading channels. In this paper, we consider a unified approach to model wireless channels by the…

Information Theory · Computer Science 2016-11-15 Bassant Selim , Omar Alhussein , Sami Muhaidat , George K. Karagiannidis , Jie Liang

The terahertz (THz) band, 0.1-10 THz, has sufficient resources not only to satisfy the 5G requirements of 10 Gbit/s peak data rate but to enable a number of tempting rate-greedy applications. However, the THz band brings novel challenges,…

Networking and Internet Architecture · Computer Science 2018-03-28 Vitaly Petrov , Joonas Kokkoniemi , Dmitri Moltchanov , Janne Lehtomaki , Yevgeni Koucheryavy , Markku Juntti

We propose novel hybrid beamforming schemes for the terahertz (THz) wireless system where a multi-antenna base station (BS) communicates with a multi-antenna user over frequency selective fading. Here, we assume that the BS employs…

Signal Processing · Electrical Eng. & Systems 2020-09-30 Hang Yuan , Nan Yang , Kai Yang , Chong Han , Jianping An

Line-of-sight (LOS) wireless communication at terahertz (THz) frequency bands is envisioned to play a major role in defining next-generation wireless technologies. This work analyzes the performance of a potential LOS THz system…

Information Theory · Computer Science 2022-12-22 Rayyan Abdalla , A. Brinton Cooper

In this paper, we develop a novel analytical framework for a three-dimensional (3D) indoor terahertz (THz) communication system. Our proposed model incorporates more accurate modeling of wall blockages via Manhattan line processes and…

Information Theory · Computer Science 2024-10-08 Zhifeng Tang , Nan Yang , Salman Durrani , Xiangyun Zhou , Markku Juntti , Josep Miquel Jornet

Terahertz frequencies are an untapped resource for providing high-speed short-range communications. As a result, it is of interest to study the propagation characteristics of terahertz waves and to develop channel models. In previous work…

Signal Processing · Electrical Eng. & Systems 2022-10-17 Thanh Le , Ha Tran , Suresh Singh

Using tools from stochastic geometry, this paper develops a tractable framework to analyze the performance of a mobile user in a two-tier wireless network operating on sub-6GHz and terahertz (THz) transmission frequencies. Specifically,…

Information Theory · Computer Science 2021-12-21 Md Tanvir Hossan , Hina Tabassum

The dielectric properties of environmental surfaces, including walls, floors and the ground, etc., play a crucial role in shaping the accuracy of terahertz (THz) channel modeling, thereby directly impacting the effectiveness of…

Applied Physics · Physics 2024-08-13 Jiayuan Cui , Da Li , Jiabiao Zhao , Jiacheng Liu , Guohao Liu , Xiangkun He , Yue Su , Fei Song , Peian Li , Jianjun Ma

Terahertz (THz) channel propagation characteristics are vital for the design, evaluation, and optimization for THz communication systems. Moreover, reflection plays a significant role in channel propagation. In this letter, the reflection…

Signal Processing · Electrical Eng. & Systems 2022-07-12 Zhaowei Chang , Jianhua Zhang , Pan Tang , Lei Tian , Li Yu , Guangyi Liu , Liang Xia

Reliable Terahertz (THz) links are necessary for outdoor point-to-point communication with the exponential growth of wireless data traffic. This study presents a modified Monte Carlo simulation procedure for estimating THz link attenuation…

In this paper, we present new measurement results to model large-scale path loss, angular spread and channel sparsity at the sub-THz (141-145 GHz) band, for both indoor and outdoor scenarios. Extensive measurement campaigns have been…

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…

Information Theory · Computer Science 2023-05-24 Yiqin Wang , Yuanbo Li , Chong Han , Yi Chen , Ziming Yu

Terahertz (THz) communication is envisioned as one of the possible technologies for the sixth-generation (6G) communication system due to its rich spectrum. To evaluate the performance of THz communication, it is essential to propose THz…

Signal Processing · Electrical Eng. & Systems 2024-07-29 Zhaowei Chang , Jianhua Zhang , Pan Tang , Lei Tian , Hao Jiang , Ximan Liu , and Guangyi Liu

Channel modelling is essential to designing modern wireless communication systems. The increasing complexity of channel modelling and the cost of collecting high-quality wireless channel data have become major challenges. In this paper, we…

Artificial Intelligence · Computer Science 2023-08-11 Ushnish Sengupta , Chinkuo Jao , Alberto Bernacchia , Sattar Vakili , Da-shan Shiu

This work investigates the temporal dispersion of a wireless terahertz communication signal caused by reflection from a rough (diffuse) surface, and its subsequent impact on symbol error rate versus data rate. Broadband measurements of…

Signal Processing · Electrical Eng. & Systems 2021-04-02 Russ Messenger , Karl Strecker , Sabit Ekin , John O'Hara

This paper develops a stochastic geometry framework to characterize the statistics of the downlink interference and coverage probability of a typical user in a coexisting terahertz (THz) and radio frequency (RF) network. We first…

Networking and Internet Architecture · Computer Science 2023-04-06 Javad Sayehvand , Hina Tabassum

The combination of Terahertz (THz) and massive multiple-input multiple-output (MIMO) is promising to meet the increasing data rate demand of future wireless communication systems thanks to the huge bandwidth and spatial degrees of freedom.…

Information Theory · Computer Science 2024-08-14 Jiabao Gao , Xiaoming Cheng , Geoffrey Ye Li

A simple traveling wave antenna model is used to theoretically study emission from an array of filaments. Both transverse and longitudinal arrays of filaments are considered. The angular distribution and power in the THz signal are…

Plasma Physics · Physics 2025-05-21 Sean D. McGuire , Mikhail N. Shneider

The terahertz (THz) frequency band (0.3-10THz) has the advantage of large available bandwidth and is a candidate to satisfy the ever increasing mobile traffic in wireless communications. However, the THz channels are often absorbed by…

Networking and Internet Architecture · Computer Science 2021-06-08 Cao Vien Phung , Anna Engelmann , Admela Jukan

In this work, a hybrid free-space optics (FSO)/ teraHertz (THz) based backhaul network is considered to provide high-data rate reliable communication to the terrestrial mobile users (MUs) operating at millimeter wave (mmWave) bands. The FSO…

Signal Processing · Electrical Eng. & Systems 2022-11-14 Praveen Kumar Singya , Behrooz Makki , Antonio D'Errico , Mohamed-Slim Alouini