Dual broadband slot antenna design for WLAN applications

Abstract

A microstrip‐fed slot antenna design for wireless local area network 2.4/5 GHz applications is proposed. To achieve dual‐band operation that composed of four resonant modes located at approximately 2.28, 2.69, 5.36, and 5.94 GHz band, three separate slots are embedded into the ground plane, in which two of the slots are devised as step‐impedance types, and one of the slots is an L‐shaped slot type. By meticulously arranging the positions of these three slots located above the microstrip‐fed line, two broad operating bands that operate between 2140–2750 MHz (∼25%) and 5050–6160 MHz (∼20%) are achieved. Detail process of designing the proposed antenna is explicitly shown, and vital parametric studies were also conducted by simulation. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:983–988, 2014

Compact Modified Ground Plane (MGP) Microstrip Antenna with Narrowband and Wideband Resonance Characteristics

“…The simulated and measured gain of the proposed antenna is shown in Figure 13. The measured peak gain of the antenna is about 2.70dBi at 3.7 GHz, which is better than the peak gains of some previously reported band width enhanced microstrip antennas [17][18][19][20]. The peak gain is measured by applying gain comparison method, in which a pre calibrated standard gain horn antenna is used as a reference antenna for measurement.…”

Analysis and Design of Two-Slot Antennas for Wireless Communication Applications

“…The rectangular and square-shaped slots were intensively used in various antenna designs, but some modifications at the ends of the rectangular slot were investigated to achieve miniaturization [12]. It is worthy of mentioning that most of the published designs of slot antennas have either considered a single slot or more than one slot of various sizes to achieve multiband operation as in [13]. In [14], a series-fed, two-slot array was developed by placing two rectangular patches on the other side of the substrate to reduce radiation into the half-space that they occupy.…”

A Miniature BroadBand Microstrip Antenna for LTE, Wi-Fi and WiMAX Applications

“…To enhance these characteristics different research works are issued to overcame the limitation of bandwidth, this is the main disadvantage of antennas that use microstrip technology. It was widely discussed in different research papers [2][3][4][5][6] that the multiple frequency bands can be obtained by using shaped antennas. Microstrip antenna is presently designed by the researchers [7][8][9][10][11] to fit in the broadband applications.…”