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In this paper, a multi slot-loaded microstrip dual band antenna is presented for energy harvesting applications at 2.4/5.8GHz Wireless Local Area Network (WLAN) bands. The incorporation of C-shape slot, rectangle slot and a pair of I-shape slots on patch antenna was supportive for excitation of dual distinctive resonance bonds. Such integration was also found effective in delivering good impedance...
In this paper, an inverted S-shaped multi frequency patch antenna is proposed for X-band applications. The antenna encompasses of two rectangular slots on patch, two elliptical slots on the ground plane and its exciting by a 50 Ω probe feed technique. By employing two rectangular slots which change the rectangular patch as opposite S shaped patch antenna operating in triple resonance frequency is...
On the recent years the microelectromechanical system (MEMS) technology has many application on various fields of live - including on wireless communication, especially antenna design. The implementation of reconfigurability will have some advantages to the antenna by means of the switch. The reconfigurability of microstrip patch antenna utilizing the MEMS switches has been investigated. The antenna...
RFID excelled in automatic identification and data collection industry through its speed, agility and endurance. An analysis of the design of a single-layered microstrip antenna comprising a single patch on the top layer with slots on the radiating edges to obtain dual-band RFID reader operation at free ISM bands of 2.45 GHz and 5.8 GHz is presented in this letter. The antenna has a compact appearance...
An analysis of phase variation and phase range of concentric split ring square element for broadband reflectarray antenna is presented in this paper. This element is the combination of a single square element and a ring element where the square element is the modification of the conventional annular ring element which instead of using annul as the hole, this new idea presents a square as the hole...
A new design of dual band compact microstrip antenna is proposed for Ku-band applications. Dual band is achieved using three pairs of thin slits from the sides of a rectangular patch and feeding with a microstrip feedline. The antenna has a compact structure and the total size is 9.50 mm by 10 mm by 0.254 mm. The result shows that the return loss of -23.83 dB is achieved at the first resonant frequency...
An optimization technique for microstrip patch antenna using particle swarm optimization (PSO) with curve fitting is introduced in this paper. An inverted E-shaped microstrip patch antenna designed for IMT-2000 band is utilized to demonstrate the optimization technique. The data for curve fitting is obtained from Zealand IE3D software by varying different geometrical parameters of the antenna. Using...
A wideband L-probe fed microstrip patch antenna with low cross-polarization is proposed and designed. By employing L-shaped feed and modification of E-H shaped patch, an antenna with 27% (550 MHz) impedance bandwidth (VSWRles2) and 9.33 dBi gain with gain variation of 1.21 dBi is designed. It is shown that the wide bandwidth is caused by a two-frequency resonance. The far field radiation patterns...
A dual-band dual-polarized coaxially-fed single-layer microstrip patch antenna with a compact structure has been demonstrated. The proposed antenna with a bandwidth of 154MHz (f0=6.83GHz) and 209MHz (f0=9.73GHz) was designed and fabricated successfully. From the results obtained, it can be seen that this novel antenna is capable of satisfying some of the requirements of an airborne SAR, for example,...
A wideband stacked microstrip patch antenna is presented. The proposed structure combines the merits of the stacked patch antennas and L-shaped feed for broadband operation. This paper presents extended E and H shaped patch stacked with rectangular patch (53 mm times 35 mm). The composite effect of integrating inverting techniques and by introducing the proposed patch, offer a low profile, high gain,...
A novel multiple slot microstrip patch antenna for wireless communication is proposed. This paper presents stacked probe fed inverted multiple slot microstrip patch antenna. The composite effect of integrating these techniques and by introducing the novel multiple shaped patch, offer a low profile, high gain, and compact antenna element. Simulated results for main parameters such as return loss, impedance...
There is an increasing demand for newer microwave and millimeter-wave systems to meet the emerging telecommunication challenges with respect to size, performance and cost. Microstrip antennas offer the advantages of thin profile, light weight, low cost, ease of fabrication and compatibility with integrated circuitry. This paper presents a coaxilly-fed single-layer compact microstrip patch antenna...
In this paper, a novel multiple slot microstrip patch antenna with enhanced bandwidth is presented. The design adopts contemporary techniques namely; probe feeding, inverted patch structure and multiple slotted patch. The composite effect of integrating these techniques and by introducing the novel multiple shaped patch, offer a low profile, wide bandwidth, high gain and compact antenna element. The...
In this paper, a novel double E-H shaped patch on a relatively thin substrate (about 0.01 ??0) is proposed. The design adopts contemporary techniques; L-probe feeding, inverted patch structure with air-filled dielectric, and slotted patch. The composite effect of integrating these techniques and by introducing the novel patch, offer a low profile, broadband, high gain, and compact antenna element...
A multiple slot microstrip patch antenna for wireless communication is presented. In this paper, inverted microstrip patch antenna, direct probe feed technique and the novel multiple shaped patch is integrated. This antenna offers low profile, wide bandwidth, high gain, and compact antenna element. The proposed multi-slotted microstrip patch antenna achieves a fractional bandwidth of 27.89% (1.82...
In this paper, a new design technique for enhancing gain and low cross-polarization that improves the performance of a conventional microstrip patch antenna is proposed. This paper presents a novel wideband probe fed inverted multiple slot microstrip patch antenna. The design adopts contemporary techniques; probe feeding, inverted patch structure and stacked EH-shaped slotted patch. In addition to...
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