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A high performance multi-UAV communication system, which bridges multiple UAVs and ground station, is one of the key enablers to realize a variety of UAV-based systems. To address the issues such as the low spectrum efficiency caused by the…

Information Theory · Computer Science 2022-02-02 Tao Yu , Kiyomichi Araki , Kei Sakaguchi

Cellular-connected unmanned aerial vehicle (UAV) is a promising technology to unlock the full potential of UAVs in the future. However, how to achieve ubiquitous three-dimensional (3D) communication coverage for the UAVs in the sky is a new…

Signal Processing · Electrical Eng. & Systems 2020-03-18 Yong Zeng , Xiaoli Xu , Shi Jin , Rui Zhang

This paper studies an unmanned aerial vehicle (UAV)-enabled wireless powered communication network (WPCN), in which a UAV is dispatched as a mobile access point (AP) to serve a set of ground users periodically. The UAV employs the radio…

Information Theory · Computer Science 2018-10-10 Lifeng Xie , Jie Xu , Rui Zhang

Unmanned aerial vehicles (UAVs) have attracted a lot of research attention because of their high mobility and low cost in serving as temporary aerial base stations (BSs) and providing high data rates for next-generation communication…

Information Theory · Computer Science 2022-02-03 Hongyang Du , Dusit Niyato , Yuan-ai Xie , Yanyu Cheng , Jiawen Kang , Dong In Kim

Unmanned aerial vehicles (UAVs) are foreseen to constitute promising airborne communication devices as a benefit of their superior channel quality. But UAV-to-ground (U2G) communications are vulnerable to eavesdropping. Hence, we conceive a…

Information Theory · Computer Science 2022-07-12 Zhong Zheng , Xinyao Wang , Zesong Fei , Qingqing Wu , Bin Li , Lajos Hanzo

In this paper, we investigate the joint resource allocation and trajectory design for a multi-user, multi-target unmanned aerial vehicle (UAV)-enabled integrated sensing and communication (ISAC) system, where the link capacity between a…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Ata Khalili , Atefeh Rezaei , Dongfang Xu , Falko Dressler , Robert Schober

Unmanned Aerial Vehicle (UAV) systems are being increasingly used in a broad range of scenarios and applications. However, their deployment in urban areas poses important technical challenges. One of the most prominent concerns is the…

Networking and Internet Architecture · Computer Science 2019-01-14 Zoheb Shaikh , Sabur Baidya , Marco Levorato

The performance optimization of UAV communication systems requires the joint design of UAV trajectory and communication efficiently. To tackle the challenge of infinite design variables arising from the continuous-time UAV trajectory…

Information Theory · Computer Science 2020-10-15 Yijun Guo , Changsheng You , Changchuan Yin , Rui Zhang

As an emerging technology, the simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) can improve the spectrum efficiency (SE) of primary users (PUs) and secondary users (SUs) in cognitive radio (CR) networks…

Systems and Control · Electrical Eng. & Systems 2025-04-16 Ali Nazari , Ali Olfat

Due to the advancements in cellular technologies and the dense deployment of cellular infrastructure, integrating unmanned aerial vehicles (UAVs) into the fifth-generation (5G) and beyond cellular networks is a promising solution to achieve…

Information Theory · Computer Science 2021-06-15 Qingqing Wu , Jie Xu , Yong Zeng , Derrick Wing Kwan Ng , Naofal Al-Dhahir , Robert Schober , A. Lee Swindlehurst

This paper considers the secrecy transmission in a large-scale unmanned aerial vehicle (UAV)-enabled wireless network, in which a set of UAVs in the sky transmit confidential information to their respective legitimate receivers on the…

Information Theory · Computer Science 2019-08-13 Jianping Yao , Jie Xu

Unmanned aerial vehicles (UAVs) play an essential role in future wireless communication networks due to their high mobility, low cost, and on-demand deployment. In air-to-ground links, UAVs are widely used to enhance the performance of…

Information Theory · Computer Science 2024-06-11 Hongjiang Lei , Dongyang Meng , Haoxiang Ran , Ki-Hong Park , Gaofeng Pan , Mohamed-Slim Alouini

In this paper, we study the resource allocation and trajectory design for secure unmanned aerial vehicle (UAV)-enabled communication systems, where multiple multi-purpose UAV base stations are dispatched to provide secure communications to…

Information Theory · Computer Science 2020-03-17 Ruide Li , Zhiqiang Wei , Lei Yang , Derrick Wing Kwan Ng , Jinhong Yuan , Jianping An

Unmanned aerial vehicle (UAV) communication has emerged as a prominent technology for emergency communications (e.g., natural disaster) in the Internet of Things (IoT) networks to enhance the ability of disaster prediction, damage…

Signal Processing · Electrical Eng. & Systems 2021-08-17 Dinh-Hieu Tran , Van-Dinh Nguyen , Sumit Gautam , Symeon Chatzinotas , Thang X. Vu , Bjorn Ottersten

Thanks to the line-of-sight (LoS) transmission and flexibility, unmanned aerial vehicles (UAVs) effectively improve the throughput of wireless networks. Nevertheless, the LoS links are prone to severe deterioration by complex propagation…

Information Theory · Computer Science 2019-12-10 Sixian Li , Bin Duo , Xiaojun Yuan , Ying-Chang Liang , Marco Di Renzo

Although prior works have exploited the UAV's mobility to enhance the wireless communication performance under different setups, the fundamental capacity limits of UAV-enabled/aided multiuser communication systems have not yet been…

Information Theory · Computer Science 2018-01-09 Qingqing Wu , Jie Xu , Rui Zhang

Wireless communication systems that include unmanned aerial vehicles (UAVs) promise to provide cost-effective wireless connectivity for devices without infrastructure coverage. Compared to terrestrial communications or those based on…

Information Theory · Computer Science 2016-11-17 Yong Zeng , Rui Zhang , Teng Joon Lim

Unmanned aerial vehicles (UAVs) are powerful Internet-of-Things components to provide sensing and communications in the air due to their advantages in mobility and flexibility. As aerial users, UAVs are envisioned to support various sensing…

Information Theory · Computer Science 2019-04-04 Hongliang Zhang , Lingyang Song , Zhu Han , H. Vincent Poor

Integrating the unmanned aerial vehicles (UAVs) into the cellular network is envisioned to be a promising technology to significantly enhance the communication performance of both UAVs and existing terrestrial users. In this paper, we first…

Information Theory · Computer Science 2018-05-21 Shuowen Zhang , Yong Zeng , Rui Zhang

Unmanned aerial vehicles (UAVs) are expected to be used extensively in the future for various applications, either as user equipment (UEs) connected to a cellular wireless network, or as an infrastructure extension of an existing wireless…

Signal Processing · Electrical Eng. & Systems 2022-12-01 Sung Joon Maeng , Jaehyun Park , Ismail Guvenc