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相关论文: Terahertz Wireless Transmissions with Maximal Rati…

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Recent studies investigate single-antenna radio frequency (RF) systems mixed with terahertz (THz) wireless communications. This paper considers a two-tier system of THz for backhaul and multiple-antenna assisted RF for the access network.…

信息论 · 计算机科学 2023-06-21 Pranay Bhardwaj , S. M. Zafaruddin

The existing relay-assisted terahertz (THz) wireless system is limited to dual-hop transmission with pointing errors and short-term fading without considering the shadowing effect. This paper analyzes the performance of a multihop-assisted…

信息论 · 计算机科学 2022-04-11 Pranay Bhardwaj , S. M. Zafaruddin

Recent research has focused on single antenna radio-frequency (RF) and terahertz (THz) wireless systems to mix the access link with the backhaul. In this paper, we evaluate the performance of a mixed RF-THz system employing multiple…

信息论 · 计算机科学 2022-05-03 Pranay Bhardwaj , S. M. Zafaruddin

THz transmissions suffer from pointing errors due to antenna misalignment and incur higher path loss from the molecular absorption in addition to the channel fading. In this paper, we employ an amplify-and-forward (AF) dual-hop relaying to…

信息论 · 计算机科学 2021-11-23 Vinay U. Pai , Pranay Bhardwaj , S. M. Zafaruddin

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

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

In this paper, the performance of a dual-hop relaying terahertz (THz) wireless communication system is investigated. In particular, the behaviors of the two THz hops are determined by three factors, which are the deterministic path loss,…

信息论 · 计算机科学 2021-07-29 Sai Li , Liang Yang

This paper investigates the performance of terahertz~(THz) wireless systems over the $\alpha$-$\mathcal{F}$ fading channels with beam misalignment and mobility. New expressions are derived for the probability density, cumulative…

信号处理 · 电气工程与系统科学 2025-09-24 Wamberto J. L. Queiroz , Hugerles S. Silva , Higo T. P. Silva , Alexandros-Apostolos A. Boulogeorgos

This paper presents the theoretical framework for the performance evaluation of terahertz (THz) wireless fiber extender in the presence of misalignment and multipath fading. In more detail, after providing the appropriate system model that…

Transceiver hardware impairment (THI) is inevitable for high-date rate terahertz (THz) communication. Existing statistical analysis either neglects THI's effect or provides approximate results when analyzing the performance of the THz…

信息论 · 计算机科学 2023-02-22 Pranay Bhardwaj , S. M. Zafaruddin

The fluctuating two-ray (FTR) fading model provides a much better fit than other fading models for small-scale fading measurements in millimeter wave communications. In this paper, using a mixture of gamma distributions, new exact…

信息论 · 计算机科学 2017-10-26 Jiayi Zhang , Wen Zeng , Xu Li , Qiang Sun , Kostas P. Peppas

The terahertz (THz) band is a key enabler for future wireless systems, promising ultra-high data rates and dense spatial reuse. However, the reliability of THz links remains a major challenge due to severe path loss and small-scale fading…

信号处理 · 电气工程与系统科学 2026-01-23 Almutasem Bellah Enad , Jihad Fahs , Hakim Jemaa , Hadi Sarieddeen , Tareq Y. Al-Naffouri

In this paper, we investigate the joint impact of misalignment fading and local oscillator (LO) phase noise (PHN) in multi-carrier terahertz (THz) wireless systems. In more detail, after establishing a suitable system model that takes into…

Recent research investigates the decode-and-forward (DF) relaying for mixed radio frequency (RF) and terahertz (THz) wireless links with zero-boresight pointing errors. In this letter, we analyze the performance of a fixed-gain…

信息论 · 计算机科学 2021-12-06 Pranay Bhardwaj , S. M. Zafaruddin

This paper focuses on delivering quantified results for the evaluation of the aggregated impact of stochastic antenna misalignment, multipath fading and hardware imperfections on the terahertz (THz) wireless fiber extenders. In this line,…

Existing research works on reconfigurable intelligent surfaces (RIS) based terahertz (THz) system ignores the effect of phase noise and employ the zero-boresight pointing errors model of the free-space optics channel in performance…

信息论 · 计算机科学 2022-11-17 Omkar R. Durgada , Vinay Kumar Chapala , S. M. Zafaruddin

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…

信号处理 · 电气工程与系统科学 2020-09-30 Hang Yuan , Nan Yang , Kai Yang , Chong Han , Jianping An

We analyze the open-loop mechanical tracking performance of a sub-Terahertz (sub-THz) and Terahertz (THz) uplink communication system. These high-frequency bands enable multi-gigabit links through large bandwidths and narrow beams, but…

网络与互联网体系结构 · 计算机科学 2025-10-21 P. Brach del Prever , P. Testolina , A. Masihi , S. Petrushkevich , M. Polese , T. Melodia , J. M. Jornet

The precision of link-level theoretical performance analysis for emerging wireless communication paradigms is critical. Recent studies have demonstrated the excellent fitting capabilities of the mixture gamma (MG) distribution in…

信号处理 · 电气工程与系统科学 2024-09-04 Hakim Jemaa , Simon Tarboush , Hadi Sarieddeen , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

This paper focuses on providing an analytical framework for the quantification and evaluation of the pointing error for a general case at high-frequency millimeter wave (mmWave) and terahertz (THz) communication links. For this aim, we…

信号处理 · 电气工程与系统科学 2023-01-03 Mohammad Taghi Dabiri , Mazen Hasna , Nizar Zorba , Tamer Khattab , Khalid A. Qaraqe
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