Height-Fixed UAV Enabled Energy-Efficient Data Collection in RIS-Aided Wireless Sensor Networks

Wireless sensor nodes (SNs) are usually energy-limited, a low energy efficiency of SN may be caused by the occlusion of transmission link in the unmanned aerial vehicle (UAV)-enabled data collection. Reconfigurable intelligent surfaces (RISs) provide potential communication opportunities by reflecti...

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Veröffentlicht in:	IEEE transactions on wireless communications Jg. 22; H. 11; S. 1
Hauptverfasser:	Liu, Jianghui, Zhang, Hongtao
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	New York IEEE 01.11.2023 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:	air-to-ground channel model Algorithms Autonomous aerial vehicles Data collection Energy consumption Energy efficiency Energy limitation Energy-efficient data collection Fading channels Flight time Gamma function Linear programming Mixed integer Nonlinear programming Occlusion Optimization Quadratic programming RIS-aided wireless sensor networks Taylor series tracjectory optimization Trajectories Trajectory unmanned aerial vehicle Unmanned aerial vehicles Wireless communication Wireless sensor networks
ISSN:	1536-1276, 1558-2248
Online-Zugang:	Volltext
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