Open AccessCompact Triple‐Band Monopole Antenna for WLAN/WiMAX‐Band USB Dongle Applications
Author(s) -
Shi Ya Wei,
Xiong Ling,
Chen Meng Gang
Publication year - 2015
Publication title -
etri journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.295
H-Index - 46
eISSN - 2233-7326
pISSN - 1225-6463
DOI - 10.4218/etrij.15.0114.0676
Subject(s) - stub (electronics) , wimax , ground plane , usb , monopole antenna , impedance matching , j pole antenna , electrical impedance , wi fi , microstrip antenna , physics , electrical engineering , antenna (radio) , wireless , engineering , computer science , telecommunications , coaxial antenna , wireless network , software , programming language
A miniaturized triple‐band antenna suitable for wireless USB dongle applications is proposed and investigated in this paper. The presented antenna, simply consisting of a circular‐arc‐shaped stub, an L‐shaped stub, a microstrip feed line, and a rectangular ground plane has a compact size of 16 mm × 38.5 mm and is capable of generating three separate resonant modes with very good impedance matching. The measurement results show that the antenna has several impedance bandwidths for S 11 ≤ − 10 dB of 260 MHz (2.24 GHz to 2.5 GHz), 320 MHz (3.4 GHz to 3.72 GHz), and 990 MHz (5.1 GHz to 6.09 GHz), which can be applied to both 2.4/5.2/5.8 GHz WLAN bands and 3.5/5.5 GHz WiMAX bands. Moreover, nearly‐omni‐directional radiation patterns and stable gain across the operating bands can be obtained.