Aerial Reconfigurable Intelligent Surface-Assisted Terrestrial Communications.
IEEE Internet Things Mag.(2024)
Abstract
This article presents an in-depth examination of aerial reconfigurable intelligent surface (ARIS) technology, an innovative development in wireless communication networks facilitated by unmanned aerial vehicles (UAVs). ARIS introduces a dynamic approach to augmenting communication links, particularly vital in environments characterized by rapid change and complexity. We focus on key technical aspects such as the strategic 3D placement of ARIS for optimal signal coverage, intricate real-time channel estimation techniques, and the engineering challenges in hardware implementation. A detailed case study demonstrates the application of ARIS in a UAV-mounted relay system, aimed at enhancing the signal range and quality between a terrestrial base station and multiple ground users. This investigation encompasses the technical nuances of deploying ARIS, with an emphasis on the optimization of beamforming algorithms, evaluation of environmental influences on ARIS's operational stability and signal integrity, and a comparative analysis of beamforming strategies under variable operational parameters. The results underscore the efficacy of ARIS in elevating terrestrial network performance, offering technical strategies to address UAV-related dynamism and environmental variability. Additionally, the article explores diverse applications of ARIS, underscoring its critical role in scenarios spanning from emergency communications to advanced urban network infrastructure.
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Key words
Terrestrial Communication,Stable Performance,Communication Network,Wireless Networks,Base Station,Unmanned Aerial Vehicles,Urban Infrastructure,Channel Estimation,Hardware Implementation,Optimal Signal,Relay System,Reconfigurable Intelligent Surface,Terrestrial Networks,Ground Users,Role In Scenarios,Machine Learning,Internet Of Things,Real-time Data,Signal Propagation,Long Short-term Memory,Radio Frequency Chains,Passive Beamforming,Mobile Edge Computing,Edge Computing,Wireless Environment,Physical Layer Security,Reflection Signal,V2X Communication,Typical Use Case,Roadside Units
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