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Terahertz (THz) communication is emerging as a pivotal enabler for 6G and beyond wireless systems owing to its multi-GHz bandwidth. One of its novel applications is in wireless data centers, where it enables ultra-high data rates while…

信息论 · 计算机科学 2025-04-30 Wenqi Zhao , Sergi Abadal , Guochao Song , Jiamo Jiang , Chong Han

The terahertz (THz) frequency range (0.1-10 THz) fills the gap between the microwave and optical parts of the electromagnetic spectrum. Recent progress in the generation and detection of the THz radiation has made it a powerful tool for…

As the terahertz (THz) band emerges as a pivotal technology for next-generation wireless communications, accurate channel modeling in dynamic environments becomes increasingly critical, particularly for scenarios involving reflective…

应用物理 · 物理学 2025-08-04 Yapeng Ge , Jiacheng Liu , Jiayuan Cui , Mingxia Zhang , Wenbo Liu , Peian Li , Houjun Sun , Jianjun Ma

The quest for higher wireless carrier frequencies spanning the millimeter-wave (mmWave) and Terahertz (THz) bands heralds substantial enhancements in data throughput and spectral efficiency for next-generation wireless networks. However,…

信号处理 · 电气工程与系统科学 2025-08-13 Sicong Ye , Yulan Gao , Ming Xiao , Peng Wang , Marios Poulakis , Ulrik Imberg

Single-shot recording of terahertz electric signals has recently become possible at high repetition rates, by using the photonic time-stretch electro-optic sampling (EOS) technique. However the moderate sensitivity of time-stretch EOS is…

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

Terahertz (THz) band communications is envisioned as a key technology for future wireless standards. Substantial progress has been made in this field, with advances in hardware design, channel models, and signal processing. High-rate…

系统与控制 · 电气工程与系统科学 2023-05-23 Arjun Singh , Vitaly Petrov , Hichem Guerboukha , Innem V. A. K. Reddy , Edward W. Knightly , Daniel M. Mittleman , Josep M. Jornet

In this paper, we study the problem of extremely large (XL) multiple-input multiple-output (MIMO) channel estimation in the terahertz (THz) frequency band, considering the presence of propagation delays across the entire array apertures at…

信息论 · 计算机科学 2024-07-09 Evangelos Vlachos , Aryan Kaushik , Yonina C. Eldar , George C. Alexandropoulos

Terahertz (THz) massive multiple-input multipleoutput (MIMO) has been considered as one of the promising technologies for future 6G wireless communications. It is essential to obtain channel information by beam tracking scheme to track…

信息论 · 计算机科学 2021-08-19 Jingbo Tan , Linglong Dai

Recently, intelligent reflecting surface (IRS)-aided millimeter-wave (mmWave) and terahertz (THz) communications are considered in the wireless community. This paper aims to design a beam-based multiple-access strategy for this new…

信息论 · 计算机科学 2024-01-03 Wei Jiang , Hans Dieter Schotten

Benefiting from the growth of the bandwidth, Terahertz (THz) communication can support the new application with explosive requirements of the ultra-high-speed rates for future 6G wireless systems. In order to compensate for the path loss of…

信息论 · 计算机科学 2021-12-16 Yu Lu , Mo Hao , Richard MAcKenzie

Terahertz (THz) band communication has been widely studied to meet the future demand for ultra-high capacity. In addition, multi-input multi-output (MIMO) technique and non-orthogonal multiple access (NOMA) technique with multi-antenna also…

信号处理 · 电气工程与系统科学 2020-05-05 Haijun Zhang , Haisen Zhang , Wei liu , Keping Long , Jiangbo Dong , Victor C. M. Leung

Terahertz-band (100 GHz-10 THz) communication is a promising radio technology envisioned to enable ultra-high data rate, reliable and low-latency wireless connectivity in next-generation wireless systems. However, the low transmission power…

信号处理 · 电气工程与系统科学 2024-08-26 Priyangshu Sen , Sherif Badran , Vitaly Petrov , Arjun Singh , Josep M. Jornet

In this paper, we propose a novel Adaptive Transmission Strategy to improve energy efficiency~(EE) in a wireless point-to-point transmission system with Quality of Service~(QoS) requirement, i.e., delay-outage probability considered. The…

信息论 · 计算机科学 2018-07-24 Linlin Zou , Yanzhao Hou , Xiaofeng Tao , Qimei Cui , Xueqing Huang

Next-generation cellular technologies, commonly referred to as the 6G, are envisioned to support a higher system capacity, better performance, and network sensing capabilities. The THz band is one potential enabler to this end due to the…

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

Terahertz (THz) communications are envisioned as a promising technology for 6G and beyond wireless systems, providing ultra-broad bandwidth and thus Terabit-per-second (Tbps) data rates. However, as foundation of designing THz…

信号处理 · 电气工程与系统科学 2023-01-04 Zhengdong Hu , Yuanbo Li , Chong Han

The terahertz frequency band, ranging from 0.1 to 10 THz, offers extensive spectral resources for next-generation wireless communication systems. To compensate for the limited transmission power of terahertz transceivers and the significant…

应用物理 · 物理学 2025-03-31 Mingxiang Li , Josep M. Jornet , Daniel M. Mittleman , Chong Han

This paper investigates the application of end-to-end (E2E) learning for joint optimization of pulse-shaper and receiver filter to reduce intersymbol interference (ISI) in bandwidth-limited communication systems. We investigate this in two…

信号处理 · 电气工程与系统科学 2024-12-18 Søren Føns Nielsen , Francesco Da Ros , Mikkel N. Schmidt , Darko Zibar

This paper establishes a theoretical framework for analyzing the fundamental performance limits of terahertz (THz) Low Earth Orbit (LEO) inter-satellite link (ISL) Integrated Sensing and Communications (ISAC) systems. We develop a unified,…

信号处理 · 电气工程与系统科学 2025-09-22 Haofan Dong , Ozgur B. Akan