Triple band rectangular‐shaped monopole antenna for WLAN/WiMAX/UWB applications

Abstract

In this research, a microstrip‐fed triple‐band antenna is presented which is suitable for heterogeneous wireless communication systems. The radiating element of the proposed antenna consists of rectangular‐shaped ring antenna embedded with three vertical rectangular‐shaped strips. The proposed antenna is capable of generating triple widebands with three resonant modes having good impedance matching. Prototype of the proposed antenna has been designed, fabricated and tested on FR4 substrate. The overall size of the antenna is 24.85 × 27.39 × 1.6 mm3 with volumetric size of 1.1 cm3. The parametric studies are being performed to understand the effects of rectangular‐shaped arm lengths L1, L2, and L3 and gap between patch and ground plane and basic T, L, U and rectangular‐shaped ring on proposed antenna. The measured results show good agreement with the simulated results. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:2113–2117, 2014

Wideband planar monopole antennas for GPS/WLAN/WiMAX/UWB and X‐band applications

“…Microstrip [8][9][10][11][12][13] and coplanar waveguide [14][15][16][17][18] structures are generally employed for feeding PPMAs. Even though various geometries have been used for the radiating patch in different applications [11,12,15,17], tapered geometries are frequently used to obtain wide bandwidth, almost constant gain and group delay. Although there are also some studies proposing a general design procedure for specific type of PPMAs [19,20], there is no exact formulation in the literature and the designs are generally optimized by employing computational parametric studies.…”

“…As seen from the figure, the computed operating bandwidth is between 2 and 12.5 GHz, and the measured one is between 2.37 and 12 GHz (5:1) which covers WLAN, WiMAX, UWB, and X-Band. Implementation of proper slots having specific locations on an antenna is generally used for the excitation of additional operating frequencies [14,18], band stopping [10,12,[15][16][17]19], antenna miniaturization [9], gain, and bandwidth enhancements [8,11,13]. Therefore, slots are employed on PPMA 1 to include GPS, as well, and the resulting antenna is called PPMA 2.…”

Wideband Printed Planar Monopole Antenna for Pcs, Uwb and X-Band Applications

“…Microstrip [9][10][11][12][13][14] and coplanar waveguide [15][16][17][18][19][20] structures are generally employed for feeding PPMAs. Even though various geometries have been used for the radiating patch in different applications [12,13,16,18], tapered geometries are frequently used in order to obtain wide bandwidth, almost constant gain and group delay. Although there are also some studies proposing a general design procedure for specific type of PPMAs [21,22], there is no exact formulation in the literature, and the designs are generally optimized by employing computational parametric studies.…”

“…First of all, a trapezoidal geometry is employed as a radiating patch, and then the dimensions of radiating patch, feeding line and ground plane are optimized. The feeding gap between ground plane and radiator patch is another critical parameter which must be taken into consideration [4,16,21]. Parametric studies are very useful for understanding the effects of parameters on the performance of antennas.…”

“…Implementation of proper slots having specific locations on an antenna is generally used for the excitation of additional operating frequencies [15,18,19,26], band stopping [11,13,16,17,20,21], antenna miniaturization [10,26], gain and bandwidth enhancements [9,12,14]. Therefore, slots are employed on preliminary PPMA in order to cover PCS and to suppress Bluetooth, WLAN (2.45 GHz) and WiMAX (2.4 and 2.5 GHz) and thus to obtain final design, the proposed PPMA.…”