Experimental Study of Effectiveness of Metasurface for Efficiency and Misalignment Enhancement of Near-Field WPT System

Mohamed Aboualalaa, Islam Mansour, Ramesh K. Pokharel

Research output: Contribution to journalArticlepeer-review

Abstract

Unlikely for a far-field wireless power transfer (WPT) system, designing a metasurface is critical for a near-field WPT system. First, a robust near-field WPT system using open-loop spiral resonators (OLSRs) and a metasurface are designed, and then, the effectiveness of the metasurface is investigated in improving the power transfer efficiency (PTE) and misalignment effects. Furthermore, a study of planar and angular misalignments is also executed experimentally to prove the WPT system immunity. The proposed WPT system offers a PTE of 30% when the Rx shifts by the lateral length of the Rx that means the Rx does not remain in front of the Tx. Moreover, the efficiency is almost unchanged due to the angular misalignment.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalIEEE Antennas and Wireless Propagation Letters
DOIs
Publication statusAccepted/In press - 2022

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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