Problem
Research questions and friction points this paper is trying to address.
Movable Antenna
Wireless Powered Networks
Energy Transfer Efficiency
Beamforming
System Robustness
Movable Antennas Enabled Wireless Powered Networks: Principles and Technologies
🤖 AI Summary
本文探讨了通过移动天线技术优化无线供电网络性能的方法，包括提高能量传输效率、实现灵活波束成形及增强系统鲁棒性。
📝 Abstract
As an emerging framework, movable antenna (MA)-enabled wireless powered networks (WPNs) have attracted growing attention. WPNs integrate wireless communication and energy transfer. MA can dynamically adjust the position of antenna units by introducing additional spatial degrees of freedom, so as to make full use of channel gain, optimize the effect of energy beamforming, and further improve the performance of WPNs. In this article, we first classify the implementations of MA, and review the fundamental principles of WPNs. We then highlight the key advantages of MA-enabled WPNs in enhancing wireless power transfer efficiency, realizing flexible and adaptive beamforming, and improving system robustness and interference resilience. Furthermore, four representative application scenarios and three key enabling technologies are discussed. A case study is also presented to show the improvement of energy harvesting performance brought by MA for WPNs. Finally, we discuss the challenges and future directions of MA-enabled WPNs, aiming to provide reference for future research and practice.
Innovation
Methods, ideas, or system contributions that make the work stand out.
Movable Antennas
Wireless Powered Networks
Energy Beamforming
Spatial Degrees of Freedom
System Robustness
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