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Internet-of-vehicle (IoV) is a general concept referring to, e.g., autonomous drive based vehicle-to-everything (V2X) communications or moving relays. Here, high rate and reliability demands call for advanced multi-antenna techniques and…

Information Theory · Computer Science 2023-11-10 Hao Guo , Behrooz Makki , Magnus Åström , Mohamed-Slim Alouini , Tommy Svensson

One of the main challenges facing optical wireless communication (OWC) systems is service disconnection in high blockage probability scenarios where users might lose the line of sight (LoS) connection with their corresponding access points…

Systems and Control · Electrical Eng. & Systems 2023-04-04 Ahrar N. Hamad , Ahmad Adnan Qidan , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

Reconfigurable Intelligent Surfaces (RIS) have emerged as a key enabler for programmable wireless environments in future Beyond-5G (B5G) and 6G networks. In the meantime, Integrated Sensing and Communication (ISAC) and Physical-Layer…

Signal Processing · Electrical Eng. & Systems 2026-04-23 Wenqing Dai , Jan Herbst , Jan Petershans , Christoph Lipps , Hans D. Schotten

The use of real-time software-controlled reconfigurable intelligent surface (RIS) units is proposed to increase the reliability of vehicle-to-everything (V2X) communications. The optimum placement problem of the RIS units is formulated by…

Networking and Internet Architecture · Computer Science 2020-07-21 Y. Ugur Ozcan , Ozgur Ozdemir , Gunes Karabulut Kurt

Vehicle-to-Everything (V2X) communications play a crucial role in ensuring safe and efficient modern transportation systems. However, challenges arise in scenarios with buildings, leading to signal obstruction and coverage limitations. To…

Networking and Internet Architecture · Computer Science 2023-08-17 Pyae Sone Aung , Loc X. Nguyen , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

We consider reconfigurable intelligent surface (RIS) aided sixth-generation (6G) terahertz (THz) communications for indoor environment in which a base station (BS) wishes to send independent messages to its serving users with the help of…

Information Theory · Computer Science 2023-03-22 Najam Us Saqib , Shumei Hou , Sung Ho Chae , Sang-Woon Jeon

Reconfigurable intelligent surfaces (RISs) assist in paving the way for the evolution of conventional vehicular networks to autonomous driving. Having said that, the 3rd Generation Partnership Project (3GPP) faces numerous open challenges…

Signal Processing · Electrical Eng. & Systems 2022-03-08 Yuanbin Chen , Ying Wang , Jiayi Zhang , Ping Zhang , Lajos Hanzo

Can reconfigurable intelligent surfaces (RISs) operate in a standalone mode that is completely transparent to the 3GPP 5G initial access process? Realizing that may greatly simplify the deployment and operation of these surfaces and reduce…

Signal Processing · Electrical Eng. & Systems 2022-11-28 Shuaifeng Jiang , Ahmed Hindy , Ahmed Alkhateeb

Reconfigurable Intelligent Surfaces (RISs) are a promising technique for enhancing the performance of Next Generation (NextG) wireless communication systems in terms of both spectral and energy efficiency, as well as resource utilization.…

Networking and Internet Architecture · Computer Science 2025-04-22 Maria Tsampazi , Tommaso Melodia

Visible Light Communication (VLC) is a current technology which allows data to be transmitted by modulating information onto a light source. It has many advantages over traditional radio frequency communication and up to 10,000 times larger…

Signal Processing · Electrical Eng. & Systems 2021-01-14 Shamin Achari , Alice Yi Yang , James Goodhead , Brendon Swanepoel , Ling Cheng

A Reflective Intelligent Surface (RIS) consists of many small reflective elements whose reflection properties can be adjusted to change the wireless propagation environment. Envisioned implementations require that each RIS element be…

Systems and Control · Electrical Eng. & Systems 2025-05-13 Gal Ben Itzhak , Miguel Saavedra-Melo , Benjamin Bradshaw , Ender Ayanoglu , Filippo Capolino , A. Lee Swindlehurst

Reconfigurable intelligent surfaces (RISs) have attracted the attention of academia and industry circles because of their ability to control the electromagnetic characteristics of channel environments. However, it has been found that the…

Signal Processing · Electrical Eng. & Systems 2022-08-02 Yajun Zhao , Xin Lv

The demanding objectives for the future sixth generation (6G) of wireless communication networks have spurred recent research efforts on novel materials and radio-frequency front-end architectures for wireless connectivity, as well as…

Information Theory · Computer Science 2022-03-08 Mengnan Jian , George C. Alexandropoulos , Ertugrul Basar , Chongwen Huang , Ruiqi Liu , Yuanwei Liu , Chau Yuen

The advent of the sixth generation (6G) wireless networks heralds a transformative era for mobile communication, where the integration of cutting-edge technologies like Reconfigurable Intelligent Surfaces (RISs) is paramount in addressing…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Emre Arslan , Ali Tugberk Dogukan , Fatih Kilinc , Ahmet Faruk Coskun , Ertugrul Basar

With both the standardization and commercialization completed in an unforeseen pace for the 5th generation (5G) wireless network, researchers, engineers and executives from the academia and the industry have turned their sights on candidate…

Networking and Internet Architecture · Computer Science 2024-02-20 Ruiqi Liu , Qingqing Wu , Marco Di Renzo , Yifei Yuan

In the realm of wireless communications in 5G, 6G and beyond, deploying unmanned aerial vehicle (UAV) has been an innovative approach to extend the coverage area due to its easy deployment. Moreover, reconfigurable intelligent surface (RIS)…

Networking and Internet Architecture · Computer Science 2022-12-09 Pyae Sone Aung , Yu Min Park , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

Reconfigurable intelligent surface has attracted the attention of academia and industry as soon as it appears because it can flexibly manipulate the electromagnetic characteristics of wireless channel. Especially in the past one or two…

Networking and Internet Architecture · Computer Science 2022-01-19 Yajun Zhao , Mengnan Jian

In this paper, we study the advantages of using reconfigurable intelligent surfaces (RISs) for interference suppression in single-input single-output (SISO) distributed Internet of Things (IoT) networks. Implementing RIS-assisted networks…

Information Theory · Computer Science 2022-12-19 Sajjad Nassirpour , Alireza Vahid , Dinh-Thuan Do , Dinesh Bharadia

Recently, reconfigurable intelligent surface (RIS) has gained research and development interests to modify wireless channel characteristics in order to improve performance of wireless communications, especially when quality of the…

Information Theory · Computer Science 2022-09-22 Alireza Salehiyan , Mohammad Javad Emadi

Free space optical (FSO) transmission has emerged as a key candidate technology for 6G to expand new spectrum and improve network capacity due to its advantages of large bandwidth, low electromagnetic interference, and high energy…

Performance · Computer Science 2023-07-17 Wen Fang , Wen Chen , Qingqing Wu , Kunlun Wang , Shunqing Zhang , Qingwen Liu , Jun Li