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Wireless communications and sensing at terahertz (THz) band are increasingly investigated as promising short-range technologies because of the availability of high operational bandwidth at THz. In order to address the extremely high…

Signal Processing · Electrical Eng. & Systems 2021-12-15 Ahmet M. Elbir , Kumar Vijay Mishra , Symeon Chatzinotas

Guaranteeing ultra reliable low latency communications (URLLC) with high data rates for virtual reality (VR) services is a key challenge to enable a dual VR perception: visual and haptic. In this paper, a terahertz (THz) cellular network is…

Information Theory · Computer Science 2019-05-21 Christina Chaccour , Ramy Amer , Bo Zhou , Walid Saad

This study considers a point-to-point wireless link, in which both the transmitter and receiver are equipped with multiple antennas. In addition, two reconfigurable metasurfaces are deployed, one in the immediate vicinity of the transmit…

Signal Processing · Electrical Eng. & Systems 2026-01-05 Robert Kuku Fotock , Alessio Zappone , Agbotiname Lucky Imoize , Marco Di Renzo

A unified beamforming and channel estimation framework relying on Bayesian learning is conceived. Recognizing the limitations imposed by low-resolution analog-to-digital converter (ADCs) and frequency-dependent propagation effects occurring…

Signal Processing · Electrical Eng. & Systems 2026-03-24 Abhisha Garg , Suraj Srivastava , Akash Kumar , Nimish Yadav , Aditya Jagannatham , Lajos Hanzo

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

Terahertz (THz) communications have emerged as a key technology for escalating data rates in future generation wireless networks. However, severe propagation losses at THz frequencies pose significant challenges, which can be mitigated via…

Distributed phased Multiple-Input Multiple-Output (phased-MIMO) radar systems have attracted wide attention in target detection and tracking. However, the phase-shifting circuits in phased subarrays contribute to high power consumption and…

Signal Processing · Electrical Eng. & Systems 2025-04-18 Qian Li , Ziang Yang , Dou Li , Hongliang Zhang

Utilizing the mmWave band can potentially achieve the high data rate needed for realistic and seamless interaction within a virtual reality (VR) application. To this end, beamforming in both the access point (AP) and head-mounted display…

Signal Processing · Electrical Eng. & Systems 2024-12-05 Rizqi Hersyandika , Qing Wang , Yang Miao , Sofie Pollin

In this paper, a Full Duplex (FD) eXtremely Large (XL) Multiple-Input Multiple-Output (MIMO) node equipped with reconfigurable metasurface antennas at its transmission and reception sides is considered, which is optimized for simultaneous…

Signal Processing · Electrical Eng. & Systems 2024-11-18 Ioannis Gavras , George C. Alexandropoulos

This paper pioneers the field of multi-user holographic unmanned aerial vehicle (UAV) communications, laying a solid foundation for future innovations in next-generation aerial wireless networks. The study focuses on the challenging problem…

Mobile edge computing (MEC) has been regarded as a promising technique to support latencysensitivity and computation-intensive serves. However, the low offloading rate caused by the random channel fading characteristic becomes a major…

Information Theory · Computer Science 2024-03-22 Hao Xie , Dong Li , Bowen Gu

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

Reconfigurable meta-surface (RMS) is proposed as a very promising and novel technology, which is composed of a large number of low-cost passive elements, and can achieve passive beamforming by controlling the amplitude and phase of incident…

Signal Processing · Electrical Eng. & Systems 2022-02-22 Zhendong Li , Wen Chen , Chong He , Xudong Bai , Jianmin Lu

Due to the large bandwidth, low latency and computationally intensive features of virtual reality (VR) video applications, the current resource-constrained wireless and edge networks cannot meet the requirements of on-demand VR delivery. In…

Networking and Internet Architecture · Computer Science 2021-09-07 Zhuojia Gu , Hancheng Lu , Chenkai Zou

The metaverse is a virtual space that combines physical and digital elements, creating immersive and connected digital worlds. For autonomous mobility, it enables new possibilities with edge computing and digital twins (DTs) that offer…

Computer Vision and Pattern Recognition · Computer Science 2025-04-25 Eugen Šlapak , Matúš Dopiriak , Mohammad Abdullah Al Faruque , Juraj Gazda , Marco Levorato

In this paper, we study the optimal wireless streaming of a multi-quality tiled 360 virtual reality (VR) video from a multi-antenna server to multiple single-antenna users in a multiple-input multiple-output (MIMO)-orthogonal frequency…

Signal Processing · Electrical Eng. & Systems 2021-05-21 Chengjun Guo , Lingzhi Zhao , Ying Cui , Zhi Liu , Derrick Wing Kwan Ng

Accurate and responsive myoelectric prosthesis control typically relies on complex, dense multi-sensor arrays, which limits consumer accessibility. This paper presents a novel, data-efficient deep learning framework designed to achieve…

Machine Learning · Computer Science 2026-02-04 Blagoj Hristov , Hristijan Gjoreski , Vesna Ojleska Latkoska , Gorjan Nadzinski

3D tele-immersion improves the state of collaboration among geographically distributed participants. Unlike the traditional 2D videos, a 3D tele-immersive system employs multiple 3D cameras based in each physical site to cover a much larger…

Multimedia · Computer Science 2016-03-29 Mohammad Hosseini , Gregorij Kurillo , Seyed Rasoul Etesami , Jiang Yu

Wireless communication in the TeraHertz band (0.1--10 THz) is envisioned as one of the key enabling technologies for the future sixth generation (6G) wireless communication systems scaled up beyond massive multiple input multiple output…

Signal Processing · Electrical Eng. & Systems 2022-06-23 Chongwen Huang , Zhaohui Yang , George C. Alexandropoulos , Kai Xiong , Li Wei , Chau Yuen , Zhaoyang Zhang , Merouane Debbah

Multi-access Edge Computing (MEC) is commonly recognized as a key supporting technology for the emerging 5G systems. When deployed in fully virtualized networks, i.e., following the Network Function Virtualization (NFV) paradigm, it will…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-03-06 Miltiades C. Filippou , Dario Sabella , Vincenzo Riccobene