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AoI-Minimal Power and Trajectory Optimization for UAV-Assisted Wireless Networks
Zhang, Xin; Hu, Yun; Chang, Zheng; Min, Geyong (IEEE, 2023)In this paper, we consider an Internet of Things (IoT) system where the employed unmanned aerial vehicle (UAV) carries edge computing server to perform data collection and execution for multiple IoT nodes (INs). For such ... -
Blockchain-Based Resource Trading in Multi-UAV Edge Computing System
Xu, Runchen; Chang, Zheng; Zhang, Xinran; Hämäläinen, Timo (Institute of Electrical and Electronics Engineers (IEEE), 2024)Unmanned aerial vehicle (UAV) assisted mobile edge computing (MEC) systems have emerged as a promising technology with the capability to expand terrestrial networks. UAVs, working as edge computing nodes and mobile base ... -
Satellite-Assisted Multi-Connectivity in Beyond 5G
Majamaa, Mikko; Martikainen, Henrik; Puttonen, Jani; Hämäläinen, Timo (IEEE, 2023)Due to the ongoing standardization and deployment activities, satellite networks will be supplementing the 5G and beyond Terrestrial Networks (TNs). For the satellite communications involved to be as efficient as possible, ... -
Anonymization as homeomorphic data space transformation for privacy-preserving deep learning
Girka, Anastasiia; Terziyan, Vagan; Gavriushenko, Mariia; Gontarenko, Andrii (Elsevier, 2021)Industry 4.0 is largely data-driven nowadays. Owners of the data, on the one hand, want to get added value from the data by using remote artificial intelligence tools as services, on the other hand, they concern on privacy ... -
Reputation-Based Blockchain for Spatial Crowdsourcing in Vehicular Networks
Guo, Wenlong; Chang, Zheng; Su, Yunfei; Guo, Xijuan; Hämäläinen, Timo; Li, Jian; Li, Yuan (MDPI, 2022)The sharing of high-quality traffic information plays a crucial role in enhancing the driving experience and safety performance for vehicular networks, especially in the development of electric vehicles (EVs). The ...