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Related papers: Joint Optimization of STAR-RIS Assisted UAV Commun…

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This paper investigates an aerial reconfigurable intelligent surface (RIS)-aided communication system under the probabilistic line-of-sight (LoS) channel, where an unmanned aerial vehicle (UAV) equipped with an RIS is deployed to assist two…

Signal Processing · Electrical Eng. & Systems 2022-04-12 Yifan Liu , Bin Duo , Qingqing Wu , Xiaojun Yuan , Jun Li , Yonghui LI

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

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted simultaneous wireless information and power transfer (SWIPT) system is investigated. Both active and passive STAR-RISs are considered.…

Information Theory · Computer Science 2024-12-24 Guangyu Zhu , Xidong Mu , Li Guo , Ao Huang , Shibiao Xu

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

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

This paper investigates the achievable rate maximization problem of a downlink unmanned aerial vehicle (UAV)-enabled communication system aided by an intelligent omni-surface (IOS). Different from the state-of-the-art reconfigurable…

Systems and Control · Electrical Eng. & Systems 2022-07-13 Yifan Liu , Bin Duo , Qingqing Wu , Xiaojun Yuan , Yonghui Li

In this paper, we propose a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) empowered transmission scheme for symbiotic radio (SR) systems to make more flexibility for network deployment and enhance…

Information Theory · Computer Science 2023-04-21 Chao Zhou , Bin Lyu , Youhong Feng , Dinh Thai Hoang

In recent years, unmanned aerial vehicles (UAVs) have become a key role in wireless communication networks due to their flexibility and dynamic adaptability. However, the openness of UAV-based communications leads to security and privacy…

Signal Processing · Electrical Eng. & Systems 2025-12-11 Chong Huang , Gaojie Chen , Zhuoao Xu , Jing Zhu , Taisong Pan , Rahim Tafazolli , Wei Huang

This study explores the synergy between rate-splitting multiple access (RSMA) and simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) as a unified framework to enable ubiquitous, intelligent, and resilient…

Signal Processing · Electrical Eng. & Systems 2025-10-21 Muhammad Asif , Asim Ihsan , Zhu Shoujin , Ali Ranjha , Xingwang Li , Khaled M. Rabie , Symeon Chatzinotas

This paper analyses the security performance of a reconfigurable intelligent surface (RIS)-aided unmanned aerial vehicle (UAV) communication system with integrated sensing and communications (ISAC). We consider a multiple-antenna UAV…

Signal Processing · Electrical Eng. & Systems 2024-09-26 Yue Xiu , Wanting Lyu , Phee Lep Yeoh , Yonghui Li , Yi Ai , Ning Wei

Reconfigurable intelligent surface (RIS) offers tremendous spectrum and energy efficiency in wireless networks by adjusting the amplitudes and/or phases of passive reflecting elements to optimize signal reflection. With the agility and…

Signal Processing · Electrical Eng. & Systems 2021-03-12 Bodong Shang , Rubayet Shafin , Lingjia Liu

Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted non-orthogonal multiple access (NOMA) communication systems are investigated in its vicinity, where a STAR-RIS is deployed within a predefined…

Signal Processing · Electrical Eng. & Systems 2022-06-28 Qiling Gao , Yuanwei Liu , Xidong Mu , Min Jia , Dongbo Li , Lajos Hanzo

A simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) enhanced uplink non-orthogonal multiple access (NOMA) communication system is proposed. A total power consumption minimization problem is…

Information Theory · Computer Science 2021-11-04 Jiakuo Zuo , Yuanwei Liu , Zhiguo Ding , Xianbin Wang

This paper investigates the multi-antenna covert communications assisted by a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS). In particular, to shelter the existence of covert communications between…

Information Theory · Computer Science 2023-05-10 Han Xiao , Xiaoyan Hu , Pengcheng Mu , Wenjie Wang , Tong-Xing Zheng , Kai-Kit Wong , Kun Yang

This paper investigates the multi-antenna covert communications assisted by a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS). In particular, to shelter the existence of communications between…

Information Theory · Computer Science 2023-08-31 Han Xiao , Xiaoyan Hu , Pengcheng Mu , Wenjie Wang , Tong-Xing Zheng , Kai-Kit Wong , Kun Yang

This paper investigates a novel unmanned aerial vehicles (UAVs) secure communication system with the assistance of reconfigurable intelligent surfaces (RISs), where an UAV and a ground user communicate with each other, while an eavesdropper…

Information Theory · Computer Science 2021-04-29 Li Sixian , Duo Bin , Marco Di Renzo , Tao Meixia , Yuan Xiaojun

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

The recent trend towards the high-speed transportation system has spurred the development of high-speed trains (HSTs). However, enabling HST users with seamless wireless connectivity using the roadside units (RSUs) is extremely challenging,…

Networking and Internet Architecture · Computer Science 2023-10-27 Yu Min Park , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

The performance of over-the-air computation (AirComp) systems degrades due to the hostile channel conditions of wireless devices (WDs), which can be significantly improved by the employment of reconfigurable intelligent surfaces (RISs).…

Signal Processing · Electrical Eng. & Systems 2023-01-06 Xiongfei Zhai , Guojun Han , Yunlong Cai , Yuanwei Liu , Lajos Hanzo

One technology that has the potential to improve wireless communications in years to come is integrated sensing and communication (ISAC). In this study, we take advantage of reconfigurable intelligent surface's (RIS) potential advantages to…

Signal Processing · Electrical Eng. & Systems 2023-08-22 Panpan Li , Yong Niu , Hao Wu , Zhu Han , Guiqi Sun , Ning Wang , Zhangdui Zhong , Bo Ai