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Ultra network densification and Massive MIMO are considered major 5G enablers since they promise huge capacity gains by exploiting proximity, spectral and spatial reuse benefits. Both approaches rely on increasing the number of access…

网络与互联网体系结构 · 计算机科学 2015-04-10 Antonis G. Gotsis , Stelios Stefanatos , Angeliki Alexiou

The efficient amplification and lasing of electromagnetic radiation at terahertz (THz) frequencies is a non-trivial task achieved mainly by quantum cascade laser configurations with limited tunability and narrowband functionality. There is…

光学 · 物理学 2018-11-30 Tianjing Guo , Liang Zhu , Pai-Yen Chen , Christos Argyropoulos

Advancements in high-frequency communication technologies using millimeter waves (mmWave), Tera- Hertz (THz), and optical wireless frequency bands are key for extending wireless connectivity beyond 5G. These technologies offer a broader…

最优化与控制 · 数学 2025-07-30 Mohsen Abedi , Alexis A. Dowhuszko , Mehdi Sookhak , Risto Wichman

The Terahertz (0.1-10 THz) band holds enormous potential for supporting unprecedented data rates and millimeter-level accurate sensing thanks to its ultra-broad bandwidth. Terahertz integrated sensing and communication (ISAC) is viewed as a…

信号处理 · 电气工程与系统科学 2023-01-20 Chong Han , Yongzhi Wu , Zhi Chen , Yi Chen , Guangjian Wang

The recent boost in data transfer rates puts a daring strain on information technology. Sustaining such a growth rate requires the development of sources, detectors and systems working in the so-called TeraHertz (THz) gap covering the…

介观与纳米尺度物理 · 物理学 2022-06-15 O. Ly , A. Manchon

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…

Densifying networks and deploying more antennas at each access point are two principal ways to boost the capacity of wireless networks. However, the complicated distributions of the signal power and the accumulated interference power,…

信息论 · 计算机科学 2018-09-25 Xianghao Yu , Chang Li , Jun Zhang , Martin Haenggi , Khaled B. Letaief

Terahertz (THz) band is considered as the next frontier in wireless communications. The emerging THz multiplexing techniques are expected to dramatically increase the information capacity of THz communications far beyond a single channel…

应用物理 · 物理学 2022-08-17 Yang Cao , Kathirvel Nallappan , Guofu Xu , Maksim Skorobogatiy

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…

In this paper, we propose a novel wireless scheme that integrates satellite, airborne, and terrestrial networks aiming to support ground users. More specifically, we study the enhancement of the achievable users' throughput assisted with…

网络与互联网体系结构 · 计算机科学 2019-12-10 Ahmad Alsharoa , Mohamed-Slim Alouini

This paper investigates the deployment of radio stripe systems for indoor radio-frequency (RF) wireless power transfer (WPT) in line-of-sight near-field scenarios. The focus is on environments where energy demand is concentrated in specific…

信号处理 · 电气工程与系统科学 2025-09-23 Amirhossein Azarbahram , Onel L. A. López , Petar Popovski , Matti Latva-aho

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 terahertz (THz) massive multiple-input multiple-output (MIMO) systems, the combination of huge bandwidth and massive antennas results in severe beam split, thus making the conventional phase-shifter based hybrid precoding architecture…

信息论 · 计算机科学 2022-11-29 Jiabao Gao , Caijun Zhong , Geoffrey Ye Li , Joseph B. Soriaga , Arash Behboodi

Accurate channel modeling is essential for realizing the potential of terahertz (THz) communications in 6G indoor networks, where existing models struggle with severe frequency selectivity and multipath effects. We propose a physically…

信号处理 · 电气工程与系统科学 2025-10-07 Ziang Zhao , Weixi Liang , Kai Hu , Qun Zhang , Xiongbin Yu , Qiang Li

Hybrid light fidelity (LiFi) and wireless fidelity (WiFi) indoor networks has been envisioned as a promising technology to alleviate radio frequency spectrum crunch to accommodate the ever-increasing data rate demand in indoor scenarios.…

机器学习 · 计算机科学 2025-03-04 Peijun Hou , Nan Cen

The radio frequency (RF) spectrum becomes overly crowded in some indoor environments due to the high density of users and bandwidth demands. To accommodate the tremendous wireless data demands, efficient spectrum-sharing approaches are…

信息论 · 计算机科学 2015-11-02 Xin Tan , Zhi Sun , Josep M. Jornet , Dimitris Pados

Non-orthogonal multiple access (NOMA) communications promise high spectral efficiency and massive connectivity, serving multiple users over the same time-frequency-code resources. Higher data rates and massive connectivity are also achieved…

信号处理 · 电气工程与系统科学 2021-11-03 Ahmed Magbool , Hadi Sarieddeen , Nour Kouzayha , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

Communications in the terahertz band (THz) (0.1--10~THz) have been regarded as a promising technology for future 6G and beyond wireless systems, to overcome the challenges of evergrowing wireless data traffic and crowded spectrum. As the…

信息论 · 计算机科学 2022-05-26 Chong Han , Weijun Gao , Nan Yang , Josep M. Jornet

Following recent advances in terahertz (THz) technology, there is a consensus on the crucial role of THz communications in the next generation of wireless systems. Aiming at catalyzing THz communications research, we propose TeraMIMO, an…

Millimeter-wave (mmWave) and Terahertz (THz) will be used in the sixth-generation (6G) wireless systems, especially for indoor scenarios. This paper presents an indoor three-dimensional (3-D) statistical channel model for mmWave and sub-THz…

信号处理 · 电气工程与系统科学 2020-09-29 Shihao Ju , Yunchou Xing , Ojas Kanhere , Theodore S. Rappaport