Open AccessPlanar compact triple‐band monopole antenna for IEEE 802.16 m worldwide interoperability for microwave access system
Author(s) -
Lu JuiHan,
Lee YuYi
Publication year - 2013
Publication title -
iet microwaves, antennas and propagation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.555
H-Index - 69
eISSN - 1751-8733
pISSN - 1751-8725
DOI - 10.1049/iet-map.2011.0299
Subject(s) - microwave , interoperability , monopole antenna , planar , electrical engineering , antenna (radio) , computer science , telecommunications , electronic engineering , optoelectronics , physics , engineering , operating system
Planar compact monopole antenna design with triple‐band operation for the IEEE 802.16 m worldwide interoperability for microwave access (WiMAX) system is proposed. By adding C‐ and L‐shaped monopole strips to the antenna, excitation of multi‐resonant modes can approximate the 2.6, 3.5 and 5.5 GHz bands required for WiMAX (IEEE 802.16 m) operations. The obtained impedance bandwidths across the operating bands approach 168/325/1208 MHz for the 2.6/3.5/5.5 GHz bands, respectively. The model proposed in this study can also operate with an antenna 15% smaller than conventional antennas. The antenna is small enough to be embedded in an USB dongle since overall antenna volume is only 22 × 28 × 0.8 mm 3 . The measured peak gains and radiation efficiencies approximate 3.0/4.2/4.5 dBi and 77/76/83% in the 2.6/3.5/5.5 GHz band, respectively, and exhibit a nearly omni‐directional pattern in the XY ‐plane.