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Mobile base stations on board unmanned aerial vehicles (UAVs) promise to deliver connectivity to those areas where the terrestrial infrastructure is overloaded, damaged, or absent. A fundamental problem in this context involves determining…

最优化与控制 · 数学 2021-09-23 Daniel Romero , Pham Q. Viet , Geert Leus

This paper studies an unmanned aerial vehicle (UAV)-enabled wireless sensor network, in which one UAV flies in the sky to collect the data transmitted from a set of sensors via distributed beamforming. We consider the delay-sensitive…

信息论 · 计算机科学 2020-03-10 Tianxin Feng , Lifeng Xie , Jianping Yao , Jie Xu

Cellular systems are vulnerable to jamming attacks, especially smart jammers that choose their jamming policies such as the jamming channel frequencies and power based on the ongoing communication policies and network states. In this…

信号处理 · 电气工程与系统科学 2019-04-24 Xiaozhen Lu , Liang Xiao , Canhuang Dai , Huaiyu Dai

This letter proposes a new full-duplex (FD) secrecy communication scheme for the unmanned aerial vehicle (UAV) and investigates its optimal design to achieve the maximum energy efficiency (EE) of the UAV. Specifically, the UAV receives the…

信息论 · 计算机科学 2019-06-19 Bin Duo , Qingqing Wu , Xiaojun Yuan , Rui Zhang

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…

信号处理 · 电气工程与系统科学 2020-06-22 Taniya Shafique , Hina Tabassum , Ekram Hossain

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…

信息论 · 计算机科学 2018-10-10 Lifeng Xie , Jie Xu , Rui Zhang

In this paper, the optimal deployment of multiple unmanned aerial vehicles (UAVs) acting as flying base stations is investigated. Considering the downlink scenario, the goal is to minimize the total required transmit power of UAVs while…

信息论 · 计算机科学 2016-02-05 Mohammad Mozaffari , Walid Saad , Mehdi Bennis , Merouane Debbah

This paper investigates full-duplex unmanned aerial vehicle (UAV) aided small cell wireless systems, where the UAV serving as the base station (BS) is designed to transmit data to the downlink users and receive data from the uplink users…

信息论 · 计算机科学 2019-12-11 Meng Hua , Luxi Yang , Cunhua Pan , Arumugam Nallanathan

Unmanned aerial vehicle (UAV)-assisted data collection has been emerging as a prominent application due to its flexibility, mobility, and low operational cost. However, under the dynamic and uncertainty of IoT data collection and energy…

网络与互联网体系结构 · 计算机科学 2021-06-22 Nam H. Chu , Dinh Thai Hoang , Diep N. Nguyen , Nguyen Van Huynh , Eryk Dutkiewicz

Laser power has become a viable solution to provide convenient and sustainable energy supply to unmanned aerial vehicles (UAVs). In this paper, we study a laser-powered UAV wireless communication system, where a laser transmitter sends…

信息论 · 计算机科学 2018-03-05 Jie Ouyang , Yueling Che , Jie Xu , Kaishun Wu

In this paper, we consider a full-duplex (FD) amplify-and-forward (AF) relay system and optimize its power allocation and relay location to minimize the system symbol error rate (SER). We first derive the asymptotic expressions of the…

信息论 · 计算机科学 2017-03-22 Shuai Li , Kun Yang , Mingxin Zhou , Jianjun Wu , Lingyang Song , Yonghui Li , Hongbin Li

With line-of-sight mode deployment and fast response, unmanned aerial vehicle (UAV), equipped with the cutting-edge integrated sensing and communication (ISAC) technique, is poised to deliver high-quality communication and sensing services…

信号处理 · 电气工程与系统科学 2025-06-02 Bohan Li , Jiahao Liu , Junsheng Mu , Pei Xiao , Sheng Chen

In this paper, we consider a single-cell multi-user orthogonal frequency division multiple access (OFDMA) network with one unmanned aerial vehicle (UAV), which works as an amplify-and-forward relay to improve the quality-of-service (QoS) of…

信息论 · 计算机科学 2021-04-23 Shuhao Zeng , Hongliang Zhang , Boya Di , Lingyang Song

This work, for the first time, considers confidential data collection in the context of unmanned aerial vehicle (UAV) wireless networks, where the scheduled ground sensor node (SN) intends to transmit confidential information to the UAV…

信号处理 · 电气工程与系统科学 2020-01-06 Xiaobo Zhou , Shihao Yan , Min Li , Jun Li , Feng Shu

Compute-and-forward (CF) harnesses interference in a wireless networkby allowing relays to compute combinations of source messages. The computed message combinations at relays are correlated, and so directly forwarding these combinations to…

信息论 · 计算机科学 2016-01-20 Yihua Tan , Xiaojun Yuan

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…

信息论 · 计算机科学 2020-03-17 Ruide Li , Zhiqiang Wei , Lei Yang , Derrick Wing Kwan Ng , Jinhong Yuan , Jianping An

This paper develops a framework for analyzing UAV-enabled short-packet communication, leveraging fluid antenna system (FAS)-assisted relaying networks. Operating in the short-packet regime and focusing on challenging urban environments, we…

信息论 · 计算机科学 2026-02-09 Xusheng Zhu , Kai-Kit Wong , Hanjiang Hong , Han Xiao , Hao Xu , Tuo Wu , Chan-Byoung Chae

Unicast communication over a network of $M$-parallel relays in the presence of an eavesdropper is considered. The relay nodes, operating under individual power constraints, amplify and forward the signals received at their inputs. The…

信息论 · 计算机科学 2015-04-21 Siddhartha Sarma , Samar Agnihotri , Joy Kuri

Unmanned aerial vehicles (UAVs) can be utilized as aerial base stations to provide communication service for remote mobile users due to their high mobility and flexible deployment. However, the line-of-sight (LoS) wireless links are…

信息论 · 计算机科学 2020-03-17 Xiongwei Wu , Qiang Li , Yawei Lu , H. Vincent Poor , Victor C. M. Leung , P. C. Ching

Due to its agile maneuverability, unmanned aerial vehicles (UAVs) have shown great promise for ondemand communications. In practice, UAV-aided aerial base stations are not separate. Instead, they rely on existing satellites/terrestrial…

信息论 · 计算机科学 2021-03-10 Xiangling Li , Wei Feng , Yunfei Chen , Cheng-Xiang Wang , Ning Ge