Novel Metal-Waveguide-based Dual-Band Dipole Antennas for Highly-Efficient WLAN Applications
Journal
IEEE Transactions on Antennas and Propagation
Start Page
1-1
ISSN
0018-926X
1558-2221
Date Issued
2025
Author(s)
Abstract
This article introduces a novel dual-band linearly polarized antenna designed for efficient wireless local area network (WLAN) applications. The antenna’s structure combines metal-waveguide feeding transmission lines with a dipole antenna body, enabling high radiation efficiency. To achieve dual-band resonances, two effective methodologies are employed. First, the dipole arms feature stepped radii. Second, extra segments from the feeding line are utilized to generate a second resonance in the reflection coefficients. This design aims to provide relatively omnidirectional WLAN radio coverage at 2.45, 5.5, and 6.5 GHz, offering high radiation efficiency for extended range. Full-wave simulations using HFSS and experimental measurements of an antenna prototype validate the design, demonstrating nearly 90% radiation efficiency.
SDGs
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Type
journal article