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Terahertz ultra-massive multiple-input multiple-output (THz UM-MIMO) is envisioned as one of the key enablers of 6G wireless systems. Due to the joint effect of its array aperture and small wavelength, the near-field region of THz UM-MIMO…

信号处理 · 电气工程与系统科学 2023-02-28 Wentao Yu , Yifei Shen , Hengtao He , Xianghao Yu , Jun Zhang , Khaled B. Letaief

Millimeter wave (mmWave) and terahertz (THz) radio access technologies (RAT) are expected to become a critical part of the future cellular ecosystem providing an abundant amount of bandwidth in areas with high traffic demands. However,…

网络与互联网体系结构 · 计算机科学 2021-11-19 Dmitri Moltchanov , Eduard Sopin , Vyacheslav Begishev , Andrey Samuylov , Yevgeni Koucheryavy , Konstantin Samouylov

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) communication can offer terabit-per-second rates in future wireless systems, thanks to the ultra-wide bandwidths, but require large antenna arrays. As antenna apertures expand and we enter the near-field scenarios, the…

信号处理 · 电气工程与系统科学 2026-03-17 Wenqi Zhao , Chong Han , Emil Björnson

This paper tackles the problem of single-user multiple-input multiple-output communication with 1-bit digital-to-analog and analog-to-digital converters. With the information-theoretic capacity as benchmark, the complementary strategies of…

信息论 · 计算机科学 2021-09-10 Angel Lozano

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

Terahertz (THz) band is expected to be one of the key enabling technologies of the sixth generation (6G) wireless networks because of its abundant available bandwidth and very narrow beam width. Due to high frequency operations,…

信号处理 · 电气工程与系统科学 2024-10-28 Ahmet M. Elbir , Wei Shi , Anastasios K. Papazafeiropoulos , Pandelis Kourtessis , Symeon Chatzinotas

Unmanned aerial vehicles (UAVs) have found widespread commercial, civilian, and military applications. Wireless communication has always been one of the core technologies for UAV. However, the communication capacity is becoming a bottleneck…

信号处理 · 电气工程与系统科学 2021-10-26 Zhenyu Xiao , Lipeng Zhu , Yanming Liu , Pengfei Yi , Rui Zhang , Xiang-Gen Xia , Robert Schober

With the recent developments on opening the terahertz (THz) spectrum for experimental purposes by the Federal Communications Commission, transceivers operating in the range of 0.1THz-10THz, which are known as THz bands, will enable…

信号处理 · 电气工程与系统科学 2021-03-02 Kürşat Tekbıyık , Ali Rıza Ekti , Güneş Karabulut Kurt , Ali Görçin , Serhan Yarkan

Terahertz (THz) wireless communications have the potential to realize ultra-high-speed and secure data transfer with miniaturized devices for unmanned aerial vehicle (UAV) communications. The atmospheric turbulence due to random airflow…

系统与控制 · 电气工程与系统科学 2024-01-29 Weijun Gao , Chong Han , Zhi Chen

The increasing demand for wireless data transfer has been the driving force behind the widespread adoption of Massive MIMO (multiple-input multiple-output) technology in 5G. The next-generation MIMO technology is now being developed to…

Terahertz (THz) band is currently envisioned as the key building block to achieving the future sixth generation (6G) wireless systems. The ultra-wide bandwidth and very narrow beamwidth of THz systems offer the next order of magnitude in…

信号处理 · 电气工程与系统科学 2023-09-08 Ahmet M. Elbir , Kumar Vijay Mishra , Symeon Chatzinotas

Massive multiple-input multiple-output (MIMO) systems are expected to play a crucial role in the 5G wireless communication systems. These advanced systems, which are being deployed since 2021, offer significant advantages over conventional…

信号处理 · 电气工程与系统科学 2023-10-16 Amirsadegh Roshanzamir

Terahertz (0.1-10 THz) communications are envisioned as a key technology for sixth generation (6G) wireless systems. The study of underlying THz wireless propagation channels provides the foundations for the development of reliable THz…

信息论 · 计算机科学 2022-06-10 Chong Han , Yiqin Wang , Yuanbo Li , Yi Chen , Naveed A. Abbasi , Thomas Kürner , Andreas F. Molisch

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

For millimeter wave (mmWave) or Terahertz (THz) communications, by leveraging the high spatial resolution offered by large antenna arrays and the multi-path sparsity of mmWave/THz channels, a novel inter-symbol interference (ISI) mitigation…

信号处理 · 电气工程与系统科学 2023-07-18 Jieni Zhang , Yong Zeng

There is no doubt that we need to keep our eyes on the sky as satellite networks aim to address the demands of 6G and beyond communications systems. On the other hand, the existence of millions of space debris pieces, large or small, poses…

信号处理 · 电气工程与系统科学 2023-06-16 Gizem Sümen , Güneş Karabulut Kurt , Ali Görçin

Due to their high maneuverability, flexible deployment, and low cost, unmanned aerial vehicles (UAVs) are expected to play a pivotal role in not only communication, but also sensing. Especially by exploiting the ultra-wide bandwidth of…

信号处理 · 电气工程与系统科学 2025-02-10 Ruoyu Zhang , Wen Wu , Xiaoming Chen , Zhen Gao , Yueming Cai

Wireless networks operating at terahertz (THz) frequencies have been proposed as a promising candidate to support the ever-increasing capacity demand, which cannot be satisfied with existing radio-frequency (RF) technology. On the other…

信号处理 · 电气工程与系统科学 2021-07-16 Yu Mei , Jianping An , Jianjun Ma , Lothar Moeller , John F. Federici

A relentless trend in wireless communications is the hunger for bandwidth, and fresh bandwidth is only to be found at ever-higher frequencies. While 5G systems are seizing the mmWave band, the attention of researchers is shifting already to…

信号处理 · 电气工程与系统科学 2020-08-05 Heedong Do , Sungmin Cho , Jeonghun Park , Ho-Jin Song , Namyoon Lee , Angel Lozano