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Planar Compact Slot Antenna With Multi-Band Operation for IEEE 802.16m Application

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2 Author(s)
Jui-Han Lu ; Department of Electronic Communication Engineering, National Kaohsiung Marine University, Kaohsiung, Taiwan, R.O.C. ; Bing-Jhang Huang

A novel multi-band design of planar slot antenna with compact operation for IEEE 802.16m WiMAX system is proposed. With the use of C- and inverted L-shaped slots, multi resonant modes close to 2.6/3.5/5.5 GHz bands can be excited to meet the specifications of WiMAX system (IEEE 802.16m). The obtained impedance bandwidth across these operating bands can reach about 525/743/813 MHz for the 2.6/3.5/5.5 GHz bands, respectively. We derive more than 10% reduction in antenna size and gain compact operation only from 32 14 0.8 antenna dimension. The measured peak gains and total radiation efficiencies are about 3.0/4.3/5.2 dBi and 88/95/97% for the 2.6/3.5/5.5 GHz bands, respectively, with nearly omni-directional pattern in the -plane.

Published in:

IEEE Transactions on Antennas and Propagation  (Volume:61 ,  Issue: 3 )