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Energy efficiency and security are two critical issues for mobile edge computing (MEC) networks. With stochastic task arrivals, time-varying dynamic environment, and passive existing attackers, it is very challenging to offload computation…

Systems and Control · Electrical Eng. & Systems 2021-02-10 Qun Wang , Han Hu , Haijian Sun , Rose Qingyang Hu

In this paper, we find trajectory planning and power allocation for a vehicular network in which an unmanned-aerial-vehicle (UAV) is considered as a relay to extend coverage for two disconnected far vehicles. We show that in a two-user…

Information Theory · Computer Science 2020-07-20 Omid Abbasi , Halim Yanikomeroglu , Afshin Ebrahimi , Nader Mokari Yamchi

Unmanned aerial vehicles (UAVs) have attracted plenty of attention due to their high flexibility and enhanced communication ability. However, the limited coverage and energy of UAVs make it difficult to provide timely wireless service for…

Systems and Control · Electrical Eng. & Systems 2024-12-18 Rui Wang , Kaitao Meng , Deshi Li

Non-orthogonal multiple access (NOMA) allows multiple users to simultaneously access the same time-frequency resource by using superposition coding and successive interference cancellation (SIC). Thus far, most papers on NOMA have focused…

Information Theory · Computer Science 2017-12-12 Lei You , Lei Lei , Di Yuan , Sumei Sun , Symeon Chatzinotas , Björn Ottersten

Remote state estimation, where many sensors send their measurements of distributed dynamic plants to a remote estimator over shared wireless resources, is essential for mission-critical applications of Industry 4.0. Most of the existing…

Information Theory · Computer Science 2024-10-28 Gaoyang Pang , Wanchun Liu , Yonghui Li , Branka Vucetic

Unmanned aerial vehicle (UAV)-assisted communications is a promising solution to improve the performance of future wireless networks, where UAVs are deployed as base stations for enhancing the quality of service (QoS) provided to ground…

Signal Processing · Electrical Eng. & Systems 2020-08-10 Xukai Zhong , Yiming Huo , Xiaodai Dong , Zhonghua Liang

Multiple unmanned aerial vehicles (UAVs) play a vital role in monitoring and data collection in wide area environments with harsh conditions. In most scenarios, issues such as real-time data retrieval and real-time UAV positioning are often…

Multiagent Systems · Computer Science 2025-06-24 Ming He , Peizhao Wang , Haihua Chen , Bin Sun , Hongpeng Wang

In this paper, we propose a novel adaptive decoding mechanism (ADM) for the unmanned aerial vehicle (UAV)-enabled uplink (UL) non-orthogonal multiple access (NOMA) communications. Specifically, considering a harsh UAV environment, where…

Information Theory · Computer Science 2023-03-10 Thanh Luan Nguyen , Georges Kaddoum , Tri Nhu Do , Daniel Benevides da Costa , Zygmunt J. Haas

Unmanned aerial vehicle (UAV) as an aerial base station is a promising technology to rapidly provide wireless connectivity to ground users. Given UAV's agility and mobility, a key question is how to adapt UAV deployment to best cater to the…

Information Theory · Computer Science 2018-12-11 Zhe Wang , Lingjie Duan , Rui Zhang

This paper studies the optimal unmanned aerial vehicle (UAV) placement problem for wireless networking. The UAV operates as a flying wireless relay to provide coverage extension for a base station (BS) and deliver capacity boost to a user…

Information Theory · Computer Science 2019-11-01 Junting Chen , David Gesbert

This work considers the orthogonal frequency division multiple access (OFDMA) technology that enables multiple unmanned aerial vehicles (multi-UAV) communication systems to provide on-demand services. The main aim of this work is to derive…

Signal Processing · Electrical Eng. & Systems 2023-04-26 Asad Mahmood , Thang X. Vu , Shree Krishna Sharma , Symeon Chatzinotas , Björn Ottersten

Caching popular content at the wireless edge is recently proposed as a means to reduce congestion at the backbone of cellular networks. The two main actors involved are Mobile Network Operators (MNOs) and Content Providers (CPs). In this…

Networking and Internet Architecture · Computer Science 2020-12-11 Jonatan Krolikowski , Anastasios Giovanidis , Marco Di Renzo

The empowering unmanned aerial vehicles (UAVs) have been extensively used in providing intelligence such as target tracking. In our field experiments, a pre-trained convolutional neural network (CNN) is deployed at the UAV to identify a…

Image and Video Processing · Electrical Eng. & Systems 2020-08-19 Bo Yang , Xuelin Cao , Chau Yuen , Lijun Qian

Intelligent edge network is maturing to enable smart and efficient transportation systems. In this letter, we consider unmanned aerial vehicle (UAV)-assisted vehicular networks where UAVs provide caching and computing services in complement…

Networking and Internet Architecture · Computer Science 2022-05-05 Nan Hu , Xiaoqi Qin , Nan Ma , Yiming Liu , Yuanyuan Yao , Ping Zhang

We consider device-to-device (D2D) wireless information and power transfer systems using an unmanned aerial vehicle (UAV) as a relay-assisted node. As the energy capacity and flight time of UAVs is limited, a significant issue in deploying…

Information Theory · Computer Science 2018-09-07 Minh-Nghia Nguyen , Long D. Nguyen , Trung Q. Duong , Hoang Duong Tuan

The increasing demand for massive connectivity and high data rates has made the efficient use of existing spectrum resources an increasingly challenging problem. Non-orthogonal multiple access (NOMA) is a potential solution for future…

Unmanned Aerial Vehicles (UAVs) are increasingly used as cost-effective and flexible Wi-Fi Access Points (APs) and cellular Base Stations (BSs) to enhance Quality of Service (QoS). In disaster management scenarios, UAV-based networks…

Networking and Internet Architecture · Computer Science 2024-06-04 Kamran Shafafi , André Coelho , Rui Campos , Manuel Ricardo

This paper investigates an unmanned aerial vehicle (UAV)-assisted mobile-edge computing (MEC) system, in which the UAV provides complementary computation resource to the terrestrial MEC system. The UAV processes the received computation…

Networking and Internet Architecture · Computer Science 2019-11-19 Xianfu Chen , Tao Chen , Zhifeng Zhao , Honggang Zhang , Mehdi Bennis , Yusheng Ji

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…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-07-20 Wenzheng Xu , Yueying Sun , Rui Zou , Weifa Liang , Qiufen Xia , Feng Shan , Tian Wang , Xiaohua Jia , Zheng Li

Cooperative communication using unmanned aerial vehicles (UAVs) is a promising technology for infrastructureless wireless networks. One of the key challenges in UAV based communications is the backhaul throughput. In this paper, we propose…

Signal Processing · Electrical Eng. & Systems 2018-11-07 Samer Hanna , Han Yan , Danijela Cabric