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In this paper, two planar inverted-F antennas on a slitted ground plane is proposed for MIMO mobile terminal. This antenna is designed to operate at 5 GHz with 1 GHz bandwidth. In simulation stage, the length and width of slitted are varied. The optimum slit's dimension is shown to be λ/4 length and 0.0333λ width, which produced reflection coefficient of −16.38 dB and isolation of −23.52 dB at 5 GHz,...
This paper investigated the effect of two main parameters of patch antenna by using partial ground techniques and addition of modified double W-shaped split ring resonator (MDW-SRR). The results show that these two techniques can be improving the performance of the return loss and bandwidth result of the patch antenna. The proposed antenna covers the frequency range of 1821.1 MHz to 3117.1 MHz with...
This project discussed the performance result of the dual band printed folded dipole antenna for wireless communication system. This proposed been simulated using CST Microwave Studio simulation software. The folded dipole structures are implementing at both substrate surface of patch and ground plane. This technique will resonate at 2.4 GHz of frequency for WLAN application. A rhombic shaped are...
This work presented the parametric studies work on the microstrip bow-tie patch antenna with split ring resonator structures. Firstly, a basic microstrip bow-tie patch antenna had been simulated using CST Microwave Studio. Then, the split ring resonator structure had been embedded to the patch part of the bow-tie antenna. Several parametric studies on the different dimension had been considered to...
This paper has presents a novel design of compact monopole antenna fed by a coplanar waveguide (CPW) for dual-band applications that targeted to achieve the gain more than 1 dB. The proposed compact monopole antenna has been design only 20 × 35 mm in size. The monopole structure with two inverted U-shaped, L-shaped lateral and coplanar-way (CPW) feed line driven by 50 Ω on one side are designed with...
A design of modified H-shaped patch antenna with slots and modified ground plane is presented in this paper. H-patch configuration with modified ground plane is proposed to increase the directivity, bandwidth and reflection coefficient of antenna. The H-shape patch antenna is feed by transmission line. By giving extra slots on top of the patch, it can increase the reflection coefficient of antenna...
A dual-band antenna by use 2 × 2 patch array with L-slot is presented for simultaneously worldwide interoperability for Microwave Access (WiMAX) and wireless local area network (WLAN) application. This 2 × 2 Patch Array with L Slot Antenna is targeted to achieve the gain more than 2 dB for both frequencies by using array technique design. The antenna design structure has been modified by adding a...
This paper investigates the effect of the complementary, split ring resonator (CSRR) structure on a bow-tie patch antenna. This CSRR structure potentially reduces the size of the patch antenna by shifted to the lower frequency. This proposed antenna has been designed for wireless LAN communication at 2.4 GHz. Firstly, the work is designing the antenna (without and with CSRR) using CST Microwave Studio...
This work investigate the effect of the defected parasitic element and ring slot on the ground plane at the fork-like shape monopole antenna. Firstly, the basic fork-like shape antenna with a slot and parasitic patch had been designed in the CST Microwave Studio. Then, this antenna had been improved by embedded some defected structure in stage by stage at the ground plane - Design B, Design C, and...
In this paper, a broadband circular polarized antenna with operating frequency at 2.4GHz is proposed. The antennas are designed by using L-probe amendment with inverted patch by using suspended rectangular microstrip antenna (MSA) technique to improve the bandwidth until more than 200MHz. The characteristics of the antenna are analyzed, so that the antenna meets broadband operations at operating frequency...
A fractal microstrip antenna with Minkowski Island split ring resonator (MI-SRR) is proposed in this paper. Four minis MI-SRR structure had been connected to the corner of the main Minkowski Island Fractal to improve the bandwidth of the antenna. This antenna radiates at the broadband range from 2.09 GHz to 3.64 GHz with a bandwidth of 1.55 GHz. The first resonant frequencies for this antenna are...
A meandered dipole Yagi-Uda antenna with parabolic reflector for 1.575 GHz of the Global Positioning System (GPS) application is presented. The intention of this work is to attain the consequence for optimum presentations of the antenna established to gain, size and directivity. This antenna radiates at the frequency between 1.52 GHz and 1.88 GHz. The gain for this antenna is 4.521 dB at 1.575 GHz...
In this work, a novel coplanar waveguide (CPW) fed rectangular patch antenna embedded with four L-shaped slots for WiMAX application was proposed. This antenna is designed by using an FR4 epoxy board with dielectric constant, εr = 4.4, tangent loss, tan δ = 0.019 and the thickness of substrate, h = 1.6mm. There are two methods applied in this antenna to improve the characteristic of the antenna. The...
In this work, a dual layer rectangular microstrip patch antenna with H-slot is proposed for improving the return loss and enhanced gain at 2.4 GHz and 2.45 GHz. The antenna is designed by using CST Microwave Studio is used to design the mathematically based on the rectangular microstrip patch antenna. Simulated and experimental results obtained for this antenna show that it exhibits good radiation...
This paper presents an equilateral triangular microstrip antenna with spur lines. The proposed antenna, comprising a triangular planar patch element embedded with two spur line slots. The simulation and fabrication process are performed to understand the characteristics of the proposed antenna. The simulation result is compared with the fabricated antenna. The targeting frequency of this antenna is...
This paper proposed the dual band printed omnidirectional antenna for RFID applications at 2.45GHz. This antenna is made up from the double U-stubs and meander collinear structure. The antenna is based on the microstrip type of antenna. The return loss of the proposed antenna at 2.45GHz is −10.61dB and the bandwidth is 122MHz. The gain that has been achieved for this proposed antenna is 3.798dB.
In this paper, a printed two C-shaped monopole antenna array for dual-band WLAN application is presented. The proposed antenna array contains two C-shaped monopole with a shorting line for connecting the two arms of the antenna elements. The purpose of the shorting line is to neutralize the current between the two arms which in return can increase the isolation. A parametric study was also carried...
The Minkoski Island patch antenna with complementary split ring resonator at the ground plane are proposed in this work. At the first stage, the normal square patch antennas mainly designed. Then, the Minkowski patch antenna was designed using 1st iteration technique and 2nd iteration technique. The Minkowski fractal shape slot was embedded in the center of the patch to form a Minkowski Island patch...
The objective of this paper is to investigate the effect of the meander line split ring resonator on the modified Minkowski patch antenna. In this work, a modified Minkowski patch antenna with meander line split ring resonator (ML-SRR) and quadruple-P shaped split ring resonator (QPS-SRR) structure is presented. This proposed modified patch antenna with SRRs structures achieved remarkable 2.644 dB...
In this work, rice husk material from paddy had been used as the main material to fabricate the truncated pyramidal microwave absorber. To increase the reflection loss performance, square flower split ring resonator (SF-SRR) had been incorporated onto the rice husk truncated pyramidal microwave absorber. This SF-SRR structure had been located at the top part of the truncated pyramidal microwave absorber...
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