Title :
PIFA with dual-resonance feed structure for enhancement of impedance bandwidth
Author :
Lee, Jeyull ; Liu, Yanbing ; Kim, H.H. ; Kim, Heonhwan
Author_Institution :
Dept. of Electron. & Comput. Eng., Hanyang Univ., Seoul, South Korea
Abstract :
A planar inverted-F antenna (PIFA) is presented, which has a dual-resonance feed structure that enhances impedance bandwidth considerably. The proposed antenna fully covers LTE13/GSM850/GSM900 without significant modification of the antenna element fabricated in a small ground clearance. The antenna´s impedance bandwidth under VSWR = 3:1 is 733-974 MHz, with a good realised efficiency.
Keywords :
UHF antennas; antenna feeds; electric impedance; planar inverted-F antennas; GSM850 band; GSM900 band; LTE13 band; dual resonance feed structure PIFA; frequency 733 MHz to 974 MHz; impedance bandwidth enhancement; planar inverted-F antenna;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2013.1432