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In this paper, unmanned aerial vehicles (UAVs) and intelligent reflective surface (IRS) are utilized to support terahertz (THz) communications. To this end, the joint optimization of UAV's trajectory, the phase shift of IRS, the allocation…

Signal Processing · Electrical Eng. & Systems 2021-03-02 Yijin Pan , Kezhi Wang , Cunhua Pan , Huiling Zhu , Jiangzhou Wang

In this letter, we study the secure communication problem in the unmanned aerial vehicle (UAV) enabled networks aided by an intelligent reflecting surface (IRS) from the physical-layer security perspective. Specifically, the IRS is deployed…

Information Theory · Computer Science 2020-11-10 Wen Wang , Hui Tian , Wanli Ni , Meihui Hua

In this paper, the intelligent reflecting surface (IRS)-aided unmanned aerial vehicle (UAV) communication system is studied, where the UAV is deployed to serve the user equipment (UE) with the assistance of multiple IRSs mounted on several…

Signal Processing · Electrical Eng. & Systems 2022-08-31 Liang Wang , Kezhi Wang , Cunhua Pan , Nauman Aslam

Intelligent reflecting surface (IRS) can smartly adjust the wavefronts in terms of phase, frequency, amplitude and polarization via passive reflections and without any need of radio frequency (RF) chains. It is envisaged as an emerging…

Signal Processing · Electrical Eng. & Systems 2023-06-29 Syed Agha Hassnain Mohsan , Yanlong Li

Aiming at the limited battery capacity of widely deployed low-power smart devices in the Internet-of-things (IoT), this paper proposes a novel intelligent reflecting surface (IRS) empowered unmanned aerial vehicle (UAV) simultaneous…

Signal Processing · Electrical Eng. & Systems 2022-10-28 Zhendong Li , Wen Chen , Huanqing Cao , Hongying Tang , Kunlun Wang , Jun Li

The advent of Intelligent Reflecting Surfaces (IRS) and Unmanned Aerial Vehicles (UAVs) is setting a new benchmark in the field of wireless communications. IRS, with their groundbreaking ability to manipulate electromagnetic waves, have…

Robotics · Computer Science 2024-07-03 Zina Chkirbene , Ala Gouissem , Ridha Hamila , Devrim Unal

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

Unmanned Aerial Vehicles (UAV)-enabled communication is a promising solution for secure air-to-ground (A2G) networks due to the additional secure degrees of freedom afforded by mobility. However, the jittering characteristics caused by the…

Information Theory · Computer Science 2022-03-24 Yimeng Ge , Jiancun Fan

Intelligent reflecting surface (IRS) and unmanned aerial vehicle (UAV) have emerged as two promising technologies to boost the performance of wireless communication networks, by proactively altering the wireless communication channels via…

Information Theory · Computer Science 2021-03-30 Changsheng You , Zhenyu Kang , Yong Zeng , Rui Zhang

Both unmanned aerial vehicles (UAVs) and intelligent reflecting surfaces (IRS) are gaining traction as transformative technologies for upcoming wireless networks. The IRS-aided UAV communication, which introduces IRSs into UAV…

Signal Processing · Electrical Eng. & Systems 2022-12-13 Anas Alkhatieb , Khaled Rabie , Xingwang Li , Galymzhan Nauryzbayev , Ramez Alkhatib

Intelligent reflective surfaces (IRSs) capable of reconfiguring their electromagnetic absorption and reflection properties in real-time are offering unprecedented opportunities to enhance wireless communication experience in challenging…

Networking and Internet Architecture · Computer Science 2020-02-03 Dong Ma , Ming Ding , Mahbub Hassan

Terahertz (THz) communications have emerged as a promising candidate to support the heavy data traffic and exploding network capacity in the future 6G wireless networks. However, THz communications are facing many challenges for practical…

Information Theory · Computer Science 2021-08-24 Zhi Chen , Boyu Ning , Chong Han , Zhongbao Tian , Shaoqian Li

This paper considers unmanned aerial vehicle (UAV)-carried intelligent reflecting surface (IRS) for secure data collection in wireless sensor networks. An eavesdropper (Eve) lurks within the vicinity of the main receiver (Bob) while several…

Information Theory · Computer Science 2021-01-19 Christantus O. Nnamani , Muhammad R. A. Khandaker , Mathini Sellathurai

With increasing interest in mmWave and THz communication systems, an unmanned aerial vehicle (UAV)-mounted intelligent reflecting surface (IRS) has been suggested as a key enabling technology to establish robust line-of-sight (LoS)…

Signal Processing · Electrical Eng. & Systems 2023-10-02 Doyoung Kim , Seongah Jeong , Jinkyu Kang

Intelligent reflecting surfaces (IRSs) with the ability to reconfigure inherent electromagnetic reflection and absorption characteristics in real-time provide unparalleled prospects to improve wireless connectivity in adverse circumstances.…

Signal Processing · Electrical Eng. & Systems 2022-05-18 Mobasshir Mahbub , Raed M. Shubair

With the continuous development of Intelligent Reflecting Surfaces (IRSs) and Unmanned Aerial Vehicles (UAVs), their combination has become foundational technologies to complement the terrestrial network by providing communication…

Networking and Internet Architecture · Computer Science 2025-01-14 Zhaolong Ning , Tengfeng Li , Yu Wu , Xiaojie Wang , Qingqing Wu , Fei Richard Yu , Song Guo

Unmanned aerial vehicles (UAVs) have steadily gained attention to overcome the harsh propagation loss and blockage issue of millimeter-wave communication. However, UAV communication systems suffer from energy consumption, which limits the…

Information Theory · Computer Science 2023-01-03 Hyesang Cho , Junil Choi

With growing security threats to the evolving wireless systems, protecting user privacy becomes progressively challenging. Even if the transmitted information is encrypted and the potential wiretap channel is physically limited (e.g.…

Networking and Internet Architecture · Computer Science 2020-04-06 Xiao Lu , Ekram Hossain , Tania Shafique , Shaohan Feng , Hai Jiang , Dusit Niyato

This study investigates the integration of an intelligent reflecting surface (IRS) into an unmanned aerial vehicle (UAV) platform to utilize the advantages of these leading technologies for sixth-generation communications, e.g., improved…

Signal Processing · Electrical Eng. & Systems 2024-05-22 Hung Nguyen-Kha , Hieu V. Nguyen , Mai T. P. Le , Oh-Soon Shin

Terahertz (THz) communication is a promising technology for future wireless networks due to its ultra-wide bandwidth. However, THz signals suffer from severe attenuation and poor diffraction capability, making it vulnerable to blocking…

Information Theory · Computer Science 2022-02-16 Wanming Hao , Fuhui Zhou , Ming Zeng , Octavia A. Dobre , Naofal Al-Dhahir
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