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相关论文: Energy Efficient D2D Communications Using Multiple…

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Unmanned aerial vehicles (UAVs) have attracted significant interest recently in wireless communication due to their high maneuverability, flexible deployment, and low cost. This paper studies a UAV-enabled wireless network where the UAV is…

信息论 · 计算机科学 2017-04-10 Qingqing Wu , Yong Zeng , Rui Zhang

In this paper we study the deployment of multiple unmanned aerial vehicles (UAVs) to form a temporal UAV network for the provisioning of emergent communications to affected people in a disaster zone, where each UAV is equipped with a…

分布式、并行与集群计算 · 计算机科学 2021-07-20 Wenzheng Xu , Yueying Sun , Rui Zou , Weifa Liang , Qiufen Xia , Feng Shan , Tian Wang , Xiaohua Jia , Zheng Li

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

Device-to-device (D2D) communications as an underlay of a LTE-A (4G) network can reduce the traffic load as well as power consumption in cellular networks by way of utilizing peer-to-peer links for users in proximity of each other. This…

网络与互联网体系结构 · 计算机科学 2014-12-25 Sajjad Mehri Alamouti , Ahmad R. Sharafat

In this paper, an unmanned aerial vehicle (UAVs)-assisted visible light communication (VLC) has been considered which has two tiers: UAV-to-centroid and device-to-device (D2D). In the UAV-to-centroid tier, each UAV can simultaneously…

信号处理 · 电气工程与系统科学 2023-06-05 Alireza Qazavi , Foroogh S Tabataba , Mehdi Naderi Soorki

The usage of Reconfigurable Intelligent Surfaces (RIS) in conjunction with Unmanned Ariel Vehicles (UAVs) is being investigated as a way to provide energy-efficient communication to ground users in dense urban areas. In this paper, we…

In this work, a delay-tolerant unmanned aerial vehicle (UAV) relayed covert and secure communication framework is investigated. In this framework, a legitimate UAV serves as an aerial relay to realize communication when the direct link…

信息论 · 计算机科学 2025-06-03 Jiacheng Jiang , Hongjiang Lei , Ki-Hong Park , Gaofeng Pan , Mohamed-Slim Alouini

Unmanned aerial vehicles (UAVs) can enhance the performance of cellular networks, due to their high mobility and efficient deployment. In this paper, we present a first study on how the user mobility affects the UAVs' trajectories of a…

信息论 · 计算机科学 2020-01-01 Yao Tang , Man Hon Cheung , Tat-Ming Lok

Unmanned aerial vehicles (UAVs) have been attracting significant attention because there is a high probability of line-of-sight links being obtained between them and terrestrial nodes in high-rise urban areas. In this work, we investigate…

信息论 · 计算机科学 2024-06-04 Hongjiang Lei , Xiaqiu Wu , Ki-Hong Park , Gaofeng Pan

Device-to-device (D2D) communication has become one important part of the 5G cellular networks particularly due to the booming of proximity-based applications, e.g. D2D relays. However, the D2D relays may create strong interference to…

网络与互联网体系结构 · 计算机科学 2017-06-14 Zhaowei Zhu , Shengda Jin , Yu Zeng , Honglin Hu , Xiliang Luo

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

Wireless relays can effectively extend the transmission range of information. However, if relay technology is utilized unlawfully, it can amplify potential harm. Effectively surveilling illegitimate relay links poses a challenging problem.…

信息论 · 计算机科学 2024-07-11 Qian Dan , Hongjiang Lei , Ki-Hong Park , Weijia Lei , Gaofeng Pan

Unmanned Aerial Vehicles (UAVs) are poised to revolutionize communications. Utilizing their flexibility and fast deployment, we can deliver content in congested areas or provide services in areas without infrastructure. In this paper, we…

网络与互联网体系结构 · 计算机科学 2020-02-11 Emmanouil Fountoulakis , Georgios S. Paschos , Nikolaos Pappas

In this paper, we optimize the energy efficiency (bits/s/Hz/J) of device-to-multi-device (D2MD) wireless communications. While the device-to-device scenario has been extensively studied to improve the spectral efficiency in cellular…

网络与互联网体系结构 · 计算机科学 2019-08-19 Mariem Hmila , Manuel Fernández-Veiga , Miguel Rodríguez-Pérez , Sergio Herrería-Alonso

This paper studies the adaptive trajectory design of a rotary-wing UAV serving as a relay between ground nodes dispersed in a circular cell and generating uplink data transmissions randomly according to a Poisson process, and a central base…

信息论 · 计算机科学 2020-03-02 Matthew Bliss , Nicolò Michelusi

This paper proposes a generalised propulsion energy consumption model (PECM) for rotary-wing ummanned aerial vehicles (UAVs) under the consideration of the practical thrust-to-weight ratio (TWR) with respect to the velocity, acceleration…

信息论 · 计算机科学 2022-02-18 Xinhong Dai , Bin Duo , Xiaojun Yuan , Wanbin Tang

This letter aims to present a novel approach for unmanned aerial vehicles (UAV)' path planning with respect to certain quality of service requirements. More specifically, we study the max-min fairness problem in an air-to-ground…

计算工程、金融与科学 · 计算机科学 2019-12-05 Amine Bejaoui , Ki-Hong Park , Mohamed Slim Alouini

In this paper, we study an unmanned aerial vehicle (UAV)-enabled wireless power transfer (WPT) network, where a UAV flies at a constant altitude in the sky to provide wireless energy supply for a set of ground nodes with a linear topology.…

信息论 · 计算机科学 2018-11-02 Yulin Hu , Xiaopeng Yuan , Jie Xu , Anke Schmeink

Device-to-device (D2D) communication underlaying cellular networks is expected to bring significant benefits for utilizing resources, improving user throughput and extending battery life of user equipments. However, the allocation of radio…

网络与互联网体系结构 · 计算机科学 2016-11-15 Feiran Wang , Chen Xu , Lingyang Song , Zhu Han

The mobile relaying technique is a critical enhancing technology in wireless communications due to a higher chance of supporting the remote user from the base station (BS) with better quality of service. This paper investigates…

信息论 · 计算机科学 2021-07-27 S. Ahmed , Mostafa Z. Chowdhury , S. R. Sabuj , M. I. Alam , Y. M. Jang