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This paper proposes a new three dimensional (3D) networking architecture enabled by aerial intelligent reflecting surface (AIRS) to achieve panoramic signal reflection from the sky. Compared to the conventional terrestrial IRS, AIRS not…

Information Theory · Computer Science 2020-01-22 Haiquan Lu , Yong Zeng , Shi Jin , Rui Zhang

In this paper, we investigate resource allocation design for unmanned aerial vehicle (UAV)-enabled communication systems, where a UAV is dispatched to provide communications to multiple user nodes. Our objective is to maximize the…

Information Theory · Computer Science 2018-09-06 Ruide Li , Zhiqiang Wei , Lei Yang , Derrick Wing Kwan Ng , Nan Yang , Jinhong Yuan , Jianping An

In satellite-to-ground communication, ensuring reliable and efficient connectivity poses significant challenges. The reconfigurable intelligent surface (RIS) offers a promising solution due to its ability to manipulate wireless propagation…

Signal Processing · Electrical Eng. & Systems 2023-11-07 Xingchen Liu , Liuxun Xue , Shu Sun , Meixia Tao

Many of the devices used in Internet-of-Things (IoT) applications are energy-limited, and thus supplying energy while maintaining seamless connectivity for IoT devices is of considerable importance. In this context, we propose a…

Signal Processing · Electrical Eng. & Systems 2021-08-09 Khoi Khac Nguyen , Antonino Masaracchia , Tan Do-Duy , H. Vincent Poor , Trung Q. Duong

We propose a low-power mobile low earth orbit (LEO) satellite communication architecture, employing double reconfigurable intelligent surfaces (RIS) to enhance energy efficiency and signal performance. With a distance between RISs that…

Information Theory · Computer Science 2025-12-03 Kunnathully Sadanandan Sanila , Rickard Nilsson , Emad Ibrahim , Neelakandan Rajamohan

Active reconfigurable intelligent surfaces (RISs) can improve the performance of integrated sensing and communication (ISAC), and therefore enable simultaneous data transmission and target sensing. However, when the line-of-sight (LoS) link…

Signal Processing · Electrical Eng. & Systems 2024-10-17 Ahmed Magbool , Vaibhav Kumar , Mark F. Flanagan

The low-altitude economy (LAE) has emerged and developed in various fields, which has gained considerable interest. To ensure the security of LAE, it is essential to establish a proper sensing coverage scheme for monitoring the unauthorized…

Systems and Control · Electrical Eng. & Systems 2025-12-11 Ying Zhang , Zeqi Hao , Tingting Zhang

Unmanned aerial vehicles (UAVs), as aerial base stations, are a promising solution for providing wireless communications, thanks to their high flexibility and autonomy. Moreover, emerging services, such as extended reality, require…

Information Theory · Computer Science 2021-04-28 Javad Sabzehali , Vijay K. Shah , Harpreet S. Dhillon , Jeffrey H. Reed

The reconfigurable intelligent surface (RIS) is useful to effectively improve the coverage and data rate of end-to-end communications. In contrast to the well-studied coverage-extension use case, in this paper, multiple RIS panels are…

Information Theory · Computer Science 2023-01-31 Zhong Zheng , Siqiang Wang , Zesong Fei , Zhi Sun , Jinhong Yuan

For emergency response scenarios like firefighting in urban environments, there is a need to both localize emergency responders inside the building and also support a high bandwidth communication link between the responders and a…

Signal Processing · Electrical Eng. & Systems 2025-01-15 Gaurav Duggal , R. Michael Buehrer , Nishith Tripathi , Jeffrey H. Reed

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

The requirements of vehicular communications grow with increasing level of automated driving and future applications of intelligent transportation systems (ITS). Beside the ever-increasing need for high capacity radio links, reliability and…

Networking and Internet Architecture · Computer Science 2021-08-31 Karsten Heimann , Benjamin Sliwa , Manuel Patchou , Christian Wietfeld

Non-terrestrial communications have emerged as a key enabler for seamless connectivity in the upcoming generation networks. This kind of network can support high data rate communications among aerial platforms (i.e., unmanned aerial…

Information Theory · Computer Science 2021-09-06 Jia Ye , Jingping Qiao , Abla Kammoun , Mohamed-Slim Alouini

Reconfigurable Intelligent Surfaces (RIS) dynamically control signal propagation to enhance wireless communications. This paper presents a novel framework for rotatable RIS assisted physical-layer multicast systems, aiming to maximize the…

Information Theory · Computer Science 2025-07-29 Ji Wang , Jiayu Tian , Lijuan Qin , Kunrui Cao , Hongbo Xu , Xingwang Li , Tony. Q. S. Quek

This paper presents a theoretical framework to analyze the performance of integrated unmanned aerial vehicle (UAV)-intelligent reflecting surface (IRS) relaying system in which IRS provides an additional degree of freedom combined with the…

Signal Processing · Electrical Eng. & Systems 2020-06-22 Taniya Shafique , Hina Tabassum , Ekram Hossain

A reconfigurable intelligent surface (RIS) is a planar structure that is engineered to dynamically control the electromagnetic waves. In wireless communications, RISs have recently emerged as a promising technology for realizing…

Information Theory · Computer Science 2022-07-13 Marco Di Renzo , Fadil H. Danufane , Sergei Tretyakov

Advancements toward 6G have intensified demands for ultra-reliable low-latency communication, positioning shortpacket communications as a critical technology for autonomous aerial vehicle (AAV) networks. However, the open broadcast nature…

Systems and Control · Electrical Eng. & Systems 2025-09-19 Huiling Liu , Junshan Luo , Shilian Wang , Fanggang Wang , Theodoros A. Tsiftsis , Symeon Chatzinotas

This paper investigates the performance of downlink non-orthogonal multiple access (NOMA) communication in unmanned aerial vehicle (UAV) networks enhanced by partitionable reconfigurable intelligent surfaces (RISs). We analyze three types…

Information Theory · Computer Science 2025-10-03 Masoud Ghazikor , Van Ly Nguyen , Morteza Hashemi

Reconfigurable intelligent surface (RIS) emerges as an efficient and promising technology for the next wireless generation networks and has attracted a lot of attention owing to the capability of extending wireless coverage by reflecting…

Information Theory · Computer Science 2023-10-20 Changzhu Liu , Ruisi He , Yong Niu , Zhu Han , Bo Ai , Meilin Gao , Zhangfeng Ma , Gongpu Wang , Zhangdui Zhong

Integrated sensing and communication (ISAC) has the potential to facilitate coordination gains from mutual assistance between sensing and communication (S&C), especially sensing-aided communication enhancement (SACE). Reconfigurable…

Signal Processing · Electrical Eng. & Systems 2025-04-14 Xiaohui Li , Qi Zhu , Yunpei Chen , Chadi Assi , Yifei Yuan