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Author: search.filters.author.Anantrasirichai, NoppinSubject: search.filters.subject.WLAN

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    Ultra-wideband slot antenna on flexible substrate for WLAN/WiMAX/UWB Applications
    (2014-01-01)
    Archevapanich, Tuanjai
    ;
    Lertwatechakul, Mayuree
    ;
    Rakluea, Paitoon
    ;
    Anantrasirichai, Noppin
    ;
    Chutchavong, Vanvisa
    An ultra-wideband slot antenna on flexible substrate is designed to support a wide range of wireless communication systems. The antenna is a rectangular slot antenna fed by microstrip line with conductor strip and tuning stub on flexible substrate (Mylar Polyester film). The rectangular slot is etched out from the ground plane with conductor strip in the slot, and the other plane contains a microstrip line with tuning stub. The proposed antenna’s effective frequency range covers overall standard bands of WLAN, WiMAX, and UWB. The antenna was simulated and analyzed by using IE3D Zeland software [1]. And the simulation results presents the characteristics of the antenna in terms of bandwidth return loss, VSWR, and radiation patterns.
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    Tri-band rectangular spiral slot antenna with L-shaped slot antenna for WLAN and radar applications
    (2006-12-01)
    Wiriyacosol, Pavita
    ;
    Anantrasirichai, Noppin
    ;
    Thumwarin, Pitak
    ;
    Wakabayashi, Toshio
    Tri-band rectangular spiral slot (RSS) antenna with an L-shaped slot antenna insertion is introduced in this paper. The antenna was designed on the substrate with 2.2 of dielectric constant and 1.575 mm of thickness. FDTD method was adopted to evaluate the proposed antenna characteristics A rectangular spiral slot antenna was designed to support dual-frequency at 2.44 GHz and 8 GHZ. An L-shaped slot antenna was inserted to obtain more resonant frequency at 5.2 GHz. The simulation results revealed that the proposed antenna could be used to support tri-band of frequency which is compatible to IEEE 802.11a or HIPERLAN (5.2 GHz) standard, IEEE 802.11b/g (Wi-Fi 2.44 GHz) standard and 8.0 GHz satellite or radar communications. © 2006 ICASE.