Title :
Leaf-shaped bowtie antenna backed by a periodic patch-loaded grounded slab
Author :
Yamamoto, Manabu ; Koyanagi, Tomoyuki ; Nojima, Toshio
Author_Institution :
Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, Japan
Abstract :
As a planar-type wideband antenna being useful for UWB radio systems, the authors have previously proposed a leaf-shaped bowtie antenna. In this paper, we present a design of a leaf-shaped bowtie antenna in which a periodic patch-loaded grounded slab is used in order to realize a unidirectional beam over a wide frequency range while maintaining a low-profile configuration. In order to demonstrate effective performance of the presented configuration, fundamental characteristics of the antenna are investigated and revealed by the finite-difference time domain (FDTD) analysis and measurements.
Keywords :
finite difference time-domain analysis; microstrip antennas; planar antennas; ultra wideband antennas; ultra wideband communication; FDTD analysis; UWB radio system; finite-difference time domain analysis; leaf-shaped bowtie antenna; periodic patch-loaded grounded slab; planar-type wideband antenna; unidirectional beam; Antenna measurements; Antennas; Frequency measurement; Gain; Metamaterials; Periodic structures; Slabs; electromagnetic bandgap (EBG); leaf-shaped bowtie antenna; low-profile antenna; periodic patch-loaded grounded slab; ultra-wideband (UWB) antenna;
Conference_Titel :
Antennas and Propagation (APSURSI), 2011 IEEE International Symposium on
Conference_Location :
Spokane, WA
Print_ISBN :
978-1-4244-9562-7
DOI :
10.1109/APS.2011.5996788
