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Utilizing terahertz (THz) transmission to enhance coverage has proven various benefits compared to traditional radio frequency (RF) counterparts. This letter proposes a dual-hop decode-and-forward (DF) routing protocol in a hybrid RF and…

信息论 · 计算机科学 2023-03-20 Zhengying Lou , Baha Eddine Youcef Belmekki , Mohamed-Slim Alouini

Terahertz (THz) communications has emerged as a promising technology for future wireless systems due to its potential to support extremely high data rates. However, severe path loss, blockage effects, and sensitivity to beam misalignment…

信息论 · 计算机科学 2026-02-26 Zhifeng Tang , Nan Yang , Salman Durrani , Xiangyun Zhou , Josep Miquel Jornet , Markku Juntti

Although terahertz (THz) communications can provide mobile broadband services, it usually has a large path loss and is vulnerable to antenna misalignment. This significantly degrades the reception reliability. To address this issue, the…

信息论 · 计算机科学 2022-09-29 Ziyang Song , Zheng Shi , Qingping Dou , Guanghua Yang , Yunfei Li , Shaodan Ma

This letter provides a stochastic geometry (SG)-based coverage probability (CP) analysis of an indoor terahertz (THz) downlink assisted by a single reconfigurable intelligent surface (RIS) panel. Specifically, multiple access points (AP)…

信号处理 · 电气工程与系统科学 2023-08-31 Waqas Aman , Nour Kouzayha , Muhammad Mahboob Ur Rahman , Tareq Y. Al-Naffouri

To enhance coverage and improve service continuity, satellite-terrestrial integrated radio access network (STIRAN) has been seen as an essential trend in the development of 6G. However, there is still a lack of theoretical analysis on its…

信息论 · 计算机科学 2024-04-16 Yaohua Sun , Ruiwen Li

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

In this letter, we introduce a novel mixed terahertz (THz)-radio frequency (RF) wireless system architecture, which can be used for backhaul/fronthaul applications, and we deliver the theoretical framework for its performance assessment. In…

信号处理 · 电气工程与系统科学 2019-12-11 Alexandros-Apostolos A. Boulogeorgos , Angeliki Alexiou

Wireless communication in the TeraHertz band (0.1--10 THz) is envisioned as one of the key enabling technologies for the future six generation (6G) wireless communication systems. However, very high propagation attenuations and molecular…

信号处理 · 电气工程与系统科学 2020-09-22 Chongwen Huang , Zhaohui Yang , George C. Alexandropoulos , Kai Xiong , Li Wei , Chau Yuen , Zhaoyang Zhang

This article discusses the basic system architecture for terahertz (THz) wireless links with bandwidths of more than 50 GHz into optical networks. New design principles and breakthrough technologies are required in order to demonstrate Tbps…

Existing studies analyzing electromagnetic field (EMFE) in wireless networks have primarily considered downlink communications. In the uplink, the EMFE caused by the user's smartphone is usually the only considered source of radiation,…

网络与互联网体系结构 · 计算机科学 2024-10-28 Quentin Gontier , Charles Wiame , Joe Wiart , François Horlin , Christo Tsigros , Claude Oestges , Philippe De Doncker

While fifth generation (5G) networks are ready for deployment, discussions over sixth generation (6G) networks are down the road. Since high frequencies like terahertz (THz) will be central to 6G, in this paper, we propose two user…

信息论 · 计算机科学 2020-08-17 Noha Hassan , Md Tanvir Hossan , Hina Tabassum

Wireless communication in the TeraHertz band (0.1--10 THz) is envisioned as one of the key enabling technologies for the future sixth generation (6G) wireless communication systems scaled up beyond massive multiple input multiple output…

信号处理 · 电气工程与系统科学 2022-06-23 Chongwen Huang , Zhaohui Yang , George C. Alexandropoulos , Kai Xiong , Li Wei , Chau Yuen , Zhaoyang Zhang , Merouane Debbah

This paper develops a unified framework to maximize the network sum-rate in a multi-user, multi-BS downlink terahertz (THz) network by optimizing user associations, number and bandwidth of sub-bands in a THz transmission window (TW),…

信息论 · 计算机科学 2024-08-08 Mohammad Amin Saeidi , Hina Tabassum , Mehrazin Alizadeh

Terahertz (THz) frequency bands can be promising for data transmissions between the core network and access points (AP) for next-generation wireless systems. In this paper, we analyze the performance of a dual-hop THz-RF wireless system…

信息论 · 计算机科学 2021-07-27 Pranay Bhardwaj , S. M. Zafaruddin

As a key pillar technology for the future 6G networks, Terahertz (THz) communications can provide high-capacity transmissions, but suffers from severe propagation loss and line-of-sight (LoS) blockage that limits the network coverage.…

信息论 · 计算机科学 2024-12-23 Wenrong Chen , Lingxiang Li , Zhi Chen , Yuanwei Liu , Boyu Ning , Tony Quek

The terahertz (THz) frequency band has recently attracted considerable attention in wireless communications as potential candidate for providing the necessary high bandwidth for demanding applications. With increasing frequency, however,…

信号处理 · 电气工程与系统科学 2022-12-13 Evangelos N. Papasotiriou , Sotiris Droulias , Angeliki Alexiou

In this paper a novel joint sensing, communication, and artificial intelligence (AI) framework is proposed so as to optimize extended reality (XR) experiences over terahertz (THz) wireless systems. The proposed framework consists of three…

网络与互联网体系结构 · 计算机科学 2023-05-02 Christina Chaccour , Walid Saad , Merouane Debbah , H. Vincent Poor

Ultra-high bandwidth, negligible latency and seamless communication for devices and applications are envisioned as major milestones that will revolutionize the way by which societies create, distribute and consume information. The…

信号处理 · 电气工程与系统科学 2019-07-12 Hadeel Elayan , Osama Amin , Basem Shihada , Raed M. Shubair , Mohamed-Slim Alouini

Beam misalignment is one of the main challenges for the design of reliable wireless systems in terahertz (THz) bands. This paper investigates how to apply user-centric base station (BS) clustering as a valuable add-on in THz networks. In…

系统与控制 · 电气工程与系统科学 2024-02-20 Khaled Humadi , Imene Trigui , Wei-Ping Zhu , Wessam Ajib

Over the past decade, many works on the modeling of wireless networks using stochastic geometry have been proposed. Results about probability of coverage, throughput or mean interference, have been provided for a wide variety of networks…

网络与互联网体系结构 · 计算机科学 2016-02-08 Alexandre Mouradian