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Terahertz (THz) communications have been envisioned as a promising enabler to provide ultra-high data transmission for sixth generation (6G) wireless networks. To tackle the blockage vulnerability brought by severe path attenuation and poor…

Information Theory · Computer Science 2021-10-14 Xinying Ma , Zhi Chen , Longfei Yan , Chong Han , Qiye Wen

The increasing demand for ultra-high throughput in ultra-dense networks might take a toll on 5G capacity. Moreover, with Internet-of-Things (IoT) and the growing use-cases for indoor killer-applications, it will be necessary to look beyond…

Networking and Internet Architecture · Computer Science 2020-03-17 Rohit Singh , Douglas Sicker

This article focuses on the near-field effect in terahertz (THz) communications and sensing systems. By equipping with extremely large-scale antenna arrays (ELAAs), the near-field region in THz systems can be possibly extended to hundreds…

Information Theory · Computer Science 2023-06-19 Zhaolin Wang , Xidong Mu , Yuanwei Liu

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

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…

Signal Processing · Electrical Eng. & Systems 2021-03-02 Kürşat Tekbıyık , Ali Rıza Ekti , Güneş Karabulut Kurt , Ali Görçin , Serhan Yarkan

In this work, extensive propagation characteristics of short range 240 to 300 GHz terahertz (THz) channels are mapped based on a measurement campaign conducted utilizing a novel, task specific measurement system. The measurement system…

Signal Processing · Electrical Eng. & Systems 2023-06-16 Erhan Karakoca , Hasan Nayir , Güneş Karabulut Kurt , Ali Görçin

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…

Information Theory · Computer Science 2021-12-16 Yu Lu , Mo Hao , Richard MAcKenzie

The scarcity of spectrum resources in current wireless communication systems has sparked enormous research interest in the terahertz (THz) frequency band. This band is characterized by fundamentally different propagation properties…

Signal Processing · Electrical Eng. & Systems 2020-04-17 Akram Shafie , Nan Yang , Zhuo Sun , Salman Durrani

With the fifth-generation (5G) networks widely commercialized and fast deployed, the sixth-generation (6G) wireless communication is envisioned to provide competitive quality of service (QoS) in multiple aspects to global users. The…

Signal Processing · Electrical Eng. & Systems 2022-10-14 Yiming Huo , Xiaodai Dong , Nuwan Ferdinand

Terahertz (THz) wireless communication has emerged as a promising solution for future data center interconnects; however, accurate channel characterization and system-level performance evaluation in complex indoor environments remain…

Information Theory · Computer Science 2026-03-26 Mingjie Zhu , Yejian Lyu , Ziming Yu , Chong Han

We consider the optimization of a smart radio environment where meta-surfaces are employed to improve the performance of multiuser wireless networks working at sub-THz frequencies. Motivated by the extreme sparsity of the THz channel we…

Information Theory · Computer Science 2022-05-18 Alberto Tarable , Francesco Malandrino , Laura Dossi , Roberto Nebuloni , Giuseppe Virone , Alessandro Nordio

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…

Signal Processing · Electrical Eng. & Systems 2021-11-03 Ahmed Magbool , Hadi Sarieddeen , Nour Kouzayha , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

Terahertz (THz)-band communications are currently being celebrated as a key technology that could fulfill the increasing demands for wireless data traffic in the upcoming sixth-generation (6G) of wireless communications. Many challenges,…

Signal Processing · Electrical Eng. & Systems 2020-09-08 Alice Faisal , Hadi Sarieddeen , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

We present a new adaptive resource optimization strategy that jointly allocates the subwindow and transmit power in multi-device terahertz (THz) band Internet of Things (Tera-IoT) networks. Unlike the prior studies focusing mostly on…

Information Theory · Computer Science 2022-02-01 Cheol Jeong , Chang-Jae Chun , Won-Yong Shin , Il-Min Kim

In this paper, the problem of unmanned aerial vehicle (UAV) deployment, power allocation, and bandwidth allocation is investigated for a UAV-assisted wireless system operating at terahertz (THz) frequencies. In the studied model, one UAV…

Information Theory · Computer Science 2021-03-16 Luyao Xu , Ming Chen , Mingzhe Chen , Zhaohui Yang , Christina Chaccour , Walid Saad , Choong Seon Hong

In this paper, the performance of indoor Terahertz (THz) communication systems with one-bit digital-to-analog converters (DACs) is investigated. Array-of-subarrays architecture is assumed for the antennas at the access points, where each RF…

Information Theory · Computer Science 2018-07-03 Dan Li , Deli Qiao , Lei Zhang , Geoffrey Ye Li

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…

Signal Processing · Electrical Eng. & Systems 2024-08-26 Priyangshu Sen , Sherif Badran , Vitaly Petrov , Arjun Singh , Josep M. Jornet

Terahertz (THz) communications are regarded as a pillar technology for the 6G systems, by offering multi-ten-GHz bandwidth. To overcome the huge propagation loss while reducing the hardware complexity, THz ultra-massive (UM) MIMO systems…

Information Theory · Computer Science 2022-03-30 Longfei Yan , Chong Han , Nan Yang , Jinhong Yuan

Terahertz (THz) communications have naturally promising physical layer security (PLS) performance in the angular domain due to the high directivity feature brought by the ultra-massive multiple-antenna techniques. However, traditional…

Information Theory · Computer Science 2022-07-26 Weijun Gao , Xuyang Lu , Chong Han , Zhi Chen

Accelerated by the increasing attention drawn by 5G, 6G, and Internet of Things applications, communication and sensing technologies have rapidly evolved from millimeter-wave (mmWave) to terahertz (THz) in recent years. Enabled by…

Signal Processing · Electrical Eng. & Systems 2023-09-19 Josiah W. Smith , Murat Torlak