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Terahertz (THz) band is envisioned for the future sixth generation wireless systems thanks to its abundant bandwidth and very narrow beamwidth. These features are one of the key enabling factors for high resolution sensing with milli-degree…

Signal Processing · Electrical Eng. & Systems 2023-11-09 Ahmet M. Elbir , Abdulkadir Celik , Ahmed M. Eltawil

Terahertz (THz)-band has been envisioned for the sixth generation wireless networks thanks to its ultra-wide bandwidth and very narrow beamwidth. Nevertheless, THz-band transmission faces several unique challenges, one of which is…

Signal Processing · Electrical Eng. & Systems 2023-04-13 Ahmet M. Elbir , Symeon Chatzinotas

Terahertz (THz) communication is considered to be a promising technology for future 6G network. To overcome the severe attenuation and relieve the high power consumption, massive MIMO with hybrid precoding has been widely considered for THz…

Information Theory · Computer Science 2021-08-19 Jingbo Tan , Linglong Dai

The sixth generation networks envision the deployment of terahertz (THz) band as one of the key enabling property thanks to its abundant bandwidth. However, the ultra-wide bandwidth in THz causes beam-split phenomenon due to the use of a…

Signal Processing · Electrical Eng. & Systems 2023-04-11 Ahmet M. Elbir

Terahertz (THz) communication is widely considered as a key enabler for future 6G wireless systems. However, THz links are subject to high propagation losses and inter-symbol interference due to the frequency selectivity of the channel.…

Information Theory · Computer Science 2021-02-16 Konstantinos Dovelos , Michail Matthaiou , Hien Quoc Ngo , Boris Bellalta

For the demonstration of ultra-wideband bandwidth and pencil-beamforming, the terahertz (THz)-band has been envisioned as one of the key enabling technologies for the sixth generation networks. However, the acquisition of the THz channel…

Signal Processing · Electrical Eng. & Systems 2023-04-04 Ahmet M. Elbir , Wei Shi , Anastasios K. Papazafeiropoulos , Pandelis Kourtessis , Symeon Chatzinotas

This paper addresses two major challenges in terahertz (THz) channel estimation: the beam-split phenomenon, i.e., beam misalignment because of frequency-independent analog beamformers, and computational complexity because of the usage of…

Signal Processing · Electrical Eng. & Systems 2022-10-28 Ahmet M. Elbir , Wei Shi , Kumar Vijay Mishra , Symeon Chatzinotas

The sixth generation (6G) wireless networks aim to achieve ultra-high data transmission rates, very low latency and enhanced energy-efficiency. To this end, terahertz (THz) band is one of the key enablers of 6G to meet such requirements.…

Signal Processing · Electrical Eng. & Systems 2024-10-07 Ahmet M. Elbir , Kumar Vijay Mishra , Symeon Chatzinotas , Mehdi Bennis

In order to achieve terabits-per-second (Tbps) data rates in the sixth-generation (6G) mobile system, wireless communications are required to exploit the abundant spectrum in the millimeter-wave (mmWave) and terahertz (THz) bands. However,…

Information Theory · Computer Science 2022-05-04 Wei Jiang , Hans D. Schotten

Terahertz (THz) communication combined with ultra-massive multiple-input multiple-output (UM-MIMO) technology is promising for 6G wireless systems, where fast and precise direction-of-arrival (DOA) estimation is crucial for effective…

Signal Processing · Electrical Eng. & Systems 2025-01-31 Ye Tian , Jiaji Ren , Tuo Wu , Wei Liu , Chau Yuen , Merouane Debbah , Naofal Al-Dhahir , Matthew C. Valenti , Hing Cheung So , Yonina C. Eldar

In this paper, a novel cooperation-aided localization and tracking approach, suitable for terahertz (THz) wireless systems is presented. It combines an angle of arrival (AoA) tracking algorithm with the two-way time of arrival method, in…

Signal Processing · Electrical Eng. & Systems 2019-10-21 Giorgos Stratidakis , Alexandros-Apostolos A. Boulogeorgos , Angeliki Alexiou

Terahertz (THz) band communications and integrated sensing and communications (ISAC) are two main facets of the sixth generation wireless networks. In order to compensate the severe attenuation, the THz wireless systems employ large arrays,…

Signal Processing · Electrical Eng. & Systems 2024-08-20 Ahmet M. Elbir , Abdulkadir Celik , Ahmed M. Eltawil

Terahertz (THz) communications are regarded as a pillar technology for the sixth generation (6G) wireless systems, by offering multi-ten-GHz bandwidth. To overcome the short transmission distance and huge propagation loss, ultra-massive…

Information Theory · Computer Science 2021-10-06 Chong Han , Longfei Yan , Jinhong Yuan

Automotive radar at terahertz (THz) band has the potential to provide compact design. The availability of wide bandwidth at THz-band leads to high range resolution. Further, very narrow beamwidth arising from large arrays yields high…

Signal Processing · Electrical Eng. & Systems 2023-10-26 Ahmet M. Elbir , Kumar Vijay Mishra , Symeon Chatzinotas

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…

Information Theory · Computer Science 2023-03-14 Boyu Ning , Zhongbao Tian , Weidong Mei , Zhi Chen , Chong Han , Shaoqian Li , Jinhong Yuan , Rui Zhang

Millimeter-wave (mmWave) and terahertz (THz) communication systems typically deploy large antenna arrays to guarantee sufficient receive signal power. The beam training overhead associated with these arrays, however, make it hard for these…

Signal Processing · Electrical Eng. & Systems 2022-05-25 Gouranga Charan , Andrew Hredzak , Christian Stoddard , Benjamin Berrey , Madhav Seth , Hector Nunez , Ahmed Alkhateeb

Wireless communication in the TeraHertz band (0.1--10 THz) is envisioned as one of the key enabling technologies for the future six generation (6G) wireless communication systems. However, very high propagation attenuations and molecular…

Signal Processing · Electrical Eng. & Systems 2020-09-22 Chongwen Huang , Zhaohui Yang , George C. Alexandropoulos , Kai Xiong , Li Wei , Chau Yuen , Zhaoyang Zhang

Terahertz (THz) wireless access is considered as a next step towards sixth generation (6G) cellular systems. By utilizing even higher frequency bands than 5G millimeter wave (mmWave) New Radio (NR), they will operate over extreme bandwidth…

Networking and Internet Architecture · Computer Science 2022-06-08 Eduard Sopin , Dmitri Moltchanov , Anastasia Daraseliya , Yevgeni Koucheryavy , Yuliya Gaidamaka

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…

Signal Processing · Electrical Eng. & Systems 2020-09-30 Hang Yuan , Nan Yang , Kai Yang , Chong Han , Jianping An

Terahertz (THz) communications open a new frontier for the wireless network thanks to their dramatically wider available bandwidth compared to the current micro-wave and forthcoming millimeter-wave communications. However, due to the short…

Information Theory · Computer Science 2021-01-15 Boyu Ning , Zhi Chen , Wenrong Chen , Yiming Du , Jun Fang
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