Compact monopole antenna with two strips and a rectangular‐slit ground plane for dual‐band WLAN/WiMAX applications

Abstract

A novel design of a simple microstrip‐fed monopole antenna for wireless local‐area network/worldwide interoperability of microwave access (WLAN/WiMAX) band operation is proposed in this article. The proposed antenna consists of two branch strip, an asymmetrical ground plane, and a rectangular‐slit ground plane. The proposed antenna is capable of generating two separate resonant modes with good impedance‐matching conditions. Prototypes of the proposed antenna were fabricated and experimentally measured. Acceptable agreement between the measurement and simulation results was achieved. The numerical and experiment results demonstrate that the proposed antenna satisfies the return loss −10 dB (VSWR < 1:2) impedance bandwidth requirement while simultaneously covering the WLAN and WiMAX bands. Meanwhile, the two‐dimensional radiation pattern and three‐dimensional gain performance of the antenna in the operation bands were also observed and discussed. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:1559–1566, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26875

Yeni Bir Melez Optimizasyon Algoritması Kullanarak UMTS, WLAN ve WiMAX Uygulamaları için Çift–Geniş Bantlı Monopole Anten Tasarımı

“…Additionally, these antennas have been widely utilized in wireless communication applications to meet the multiband, wideband applications and size reduction operations. So far, numerous microstrip antennas have been proposed to reduce size, enhance bandwidth, obtain multiband characteristic [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18]. Two different coplanar waveguide (CPW) fed monopole antennas embedded slots into the patch and ground plane have been reported for operating in WLAN [1,2].…”

“…[10], a novel, broadband, compact and slot antenna with a parasitic element and a grounded inverted Lshaped strip was reported for WLAN/WiMAX frequencies. In [11,12], the two microstrip antennas which have different geometries for WLAN and WiMAX have been presented to produce dual resonant modes, respectively. The novel microstrip antenna designs [13][14][15][16] with different geometric shapes have been investigated to achieve multiband operation covering the frequency bands of WLAN and WiMAX.…”

“…[17], a compact triband square-slot antenna for WLAN and WiMAX applications was reported, while a compact ACS-fed monopole antenna with open-ended have been presented to cover the WLAN and WiMAX operation bands [18]. Unfortunately, although above-mentioned microstrip antennas show good multiband performance, many of these have complex structure [3,11,[15][16][17][18], large in size [2,10,12,14,16]. In addition, most of these antennas do not cover whole frequency bands of WLAN and WiMAX.…”

“…In addition, most of these antennas do not cover whole frequency bands of WLAN and WiMAX. [1,2,[4][5][6][7][8][9][11][12][13][14][15][16][17].…”

“…The designed antenna is then fabricated and measured to evaluate the performance achievable. A successful comparison of the proposed antenna with the antennas previously published in the literature [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18] is carried out with respect to operating frequency and bandwidth.…”