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相关论文: An Analytical Model for Efficient Indoor THz Acces…

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As Internet of Things (IoT) devices proliferate, sustainable methods for powering them are becoming indispensable. The wireless provision of power enables battery-free operation and is crucial for complying with weight and size…

信息论 · 计算机科学 2024-06-04 Kenneth M. Mayer , Laura Cottatellucci , Robert Schober

Terahertz (THz) communications with a frequency band $0.1-10$ THz are envisioned as a promising solution to future high-speed wireless communication. Although with tens of gigahertz available bandwidth, THz signals suffer from severe…

信息论 · 计算机科学 2023-03-14 Boyu Ning , Zhongbao Tian , Weidong Mei , Zhi Chen , Chong Han , Shaoqian Li , Jinhong Yuan , Rui Zhang

In this paper, an intelligent reflecting surface (IRS) is deployed to assist the terahertz (THz) communications. The molecular absorption causes path loss peaks to appear in the THz frequency band, and the fading peak is greatly affected by…

信息论 · 计算机科学 2020-08-28 Yijin Pan , Kezhi Wang , Cunhua Pan , Huiling Zhu , Jiangzhou Wang

We propose an effective interference management and beamforming mechanism for uplink communication systems that yields fair allocation of rates. In particular, we consider a hotspot area of a millimeter-wave (mmWave) access network…

网络与互联网体系结构 · 计算机科学 2021-08-10 Rafail Ismayilov , Bernd Holfeld , Renato L. G. Cavalcante , Megumi Kaneko

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…

The desirability of the mid-band frequency range (1 - 10 GHz) for federal and commercial applications, combined with the growing applications for commercial indoor use-cases, such as factory automation, opens up a new approach to spectrum…

信号处理 · 电气工程与系统科学 2025-10-01 Hossein Nasiri , Muhammad Iqbal Rochman , Monisha Ghosh

The gold standard of a wireless network is that the throughput increases linearly with the density of access points (APs). However, such a linear throughput gain is suspended in the 5G mmWave network mainly due to the short communication…

信息论 · 计算机科学 2020-12-15 Shuqiao Jia , Behnaam Aazhang

5G will enable the growing demand for Internet of Things (IoT), high-resolution video streaming, and low latency wireless services. Demand for such services is expected to growth rapid, which will require a search for Beyond 5G…

网络与互联网体系结构 · 计算机科学 2019-11-21 Rohit Singh , Douglas Sicker , Kazi Mohammed Saidul Huq

By exploiting singular spatial modulations of the graphene conductivity, we design a broadband, tunable THz absorber whose efficiency approaches the theoretical upper bound for a wide absorption band with a fractional bandwidth of 185\%.…

介观与纳米尺度物理 · 物理学 2018-10-25 Emanuele Galiffi , John Pendry , Paloma Arroyo Huidobro

Future wireless systems are envisioned to utilize the large spectra available at THz bands for wireless communications. Extremely massive multiple-input multiple-output (MIMO) antennas can be costly and power inefficient for wideband THz…

信号处理 · 电气工程与系统科学 2025-04-08 Natalie Lang , Yaela Gabay , Nir Shlezinger , Tirza Routtenberg , Yasaman Ghasempour , George C. Alexandropoulos , Yonina C. Eldar

Terahertz (THz) carrier frequencies (100 GHz to 10 THz) have been touted as a source for unprecedented wireless connectivity and high-precision sensing, courtesy of their wide bandwidth availability and small wavelengths, but noteworthy…

信号处理 · 电气工程与系统科学 2024-07-03 Sidharth Thomas , Jaskirat Singh Virdi , Aydin Babakhani , Ian P. Roberts

Provisioning of high throughput millimetre-wave signal to indoor areas that potentially serve a large number of users, such as transportation hubs or convention centres, will require dedicated indoor millimetre-wave access point…

信息论 · 计算机科学 2018-02-19 Fadhil Firyaguna , Jacek Kibilda , Carlo Galiotto , Nicola Marchetti

In indoor areas such as homes and offices, high throughput communication for multiple devices is quickly becoming a necessity. Even though an access point (AP) mounted with an omni-directional antenna can cover a whole room, it cannot…

网络与互联网体系结构 · 计算机科学 2020-03-05 Wei Sun

Beam split is a critical challenge in wideband THz massive MIMO systems, arising from frequency-dependent beam misalignment that degrades communication performance, particularly in scenarios with narrow beamwidths and large arrays. This…

信息论 · 计算机科学 2025-03-26 Ibrahim Yildirim , Tho Le-Ngoc

A network relying on a large antenna-array-aided base station is designed for delivering multiple information streams to multi-antenna users over high-frequency bands such as the millimeter-wave and sub-Terahertz bands. The state-of-the-art…

信息论 · 计算机科学 2025-09-23 W. Zhu , H. D. Tuan , E. Dutkiewicz , H. V. Poor , L. Hanzo

Ultrafast sub-ps THz pulse conveys rich distinctive spectral fingerprints related to the vibrational or rotational modes of biomolecules and can be used to resolve the time-dependent dynamics of the motions. Thus, an efficient platform for…

Terahertz (THz) cell-free massive multiple-input-multiple-output (mMIMO) networks have been envisioned as a prospective technology for achieving higher system capacity, improved performance, and ultra-high reliability in 6G networks.…

信号处理 · 电气工程与系统科学 2024-05-14 Xin Su , Ruisi He , Peng Zhang , Bo Ai

The proliferation of overlapping, always-on IEEE 802.11 Access Points (APs) in urban areas can cause spectrum sharing conflicts, inefficient bandwidth usage and power waste. Cooperation among APs could address these problems (i) by allowing…

网络与互联网体系结构 · 计算机科学 2011-05-17 Claudio Rossi , Claudio Casetti , Carla-Fabiana Chiasserini

Todays heterogeneous networks comprised of mostly macrocells and indoor small cells will not be able to meet the upcoming traffic demands. Indeed, it is forecasted that at least a 100x network capacity increase will be required to meet the…

网络与互联网体系结构 · 计算机科学 2015-06-29 David Lopez-Perez , Ming Ding , Holger Claussen , Amir H. Jafari

The emergence of THz (Terahertz) frequency wireless networks holds great potential for advancing various high-demand services, including Industrial Internet of Things (IIoT) applications. These use cases benefit significantly from the…

网络与互联网体系结构 · 计算机科学 2025-02-11 Sara Cavallero , Andrea Pumilia , Giampaolo Cuozzo , Alessia Tarozzi , Chiara Buratti , Roberto Verdone