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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 presents the design of a wideband artificial magnetic conductor (AMC) for operation in the Wireless Body Area Network Ultra Wideband (WBAN-UWB) mandatory channel 6. The proposed AMC is incorporated onto a rectangular-ring patch antenna for operation centered at 8 GHz with 2 GHz of bandwidth. The incorporation of the AMC improved the antenna reflection coefficient and impedance bandwidth,...
A single patch microstrip grid array antenna is presented. The proposed antenna is designed in rectangular diamond shape with dimension of 34 mm × 35 mm in width and length respectively. Rogers 5880 with a low relative permittivity of 2.2 is used as substrate with the thickness of 0.508 mm. The proposed microstrip grid array antenna successfully enhanced the antenna gain up to 11.32 dBi compared to...
A 4 × 2 array antenna is developed using a new nanocomposite polymeric magneto-dielectric substrate. The permittivity and permeability factors have been accounted in designing the proposed array antenna at the frequency of 2.6 GHz. A pure polydimethylsiloxane (P-PDMS) (εr = 2.7) solution is mixed with ferrite III oxide (μr = 1...
Influence of hand on the MIMO antenna performance for future 5G terminal has been studied and presented in this paper. The study covers on performance for mobile terminal operating at 5.0 GHz with 1 GHz bandwidth at −6 dB. Development of this study is due to the concern from service provider and mobile designer in developing a small and compact mobile terminal. The effect of users finger is studied...
This paper describes the design procedure of a deployable antenna for Cubesat applications operating in the UHF frequency band of 437 MHz. Due to the expected large size for operation in this band, the meanderline and Vivaldi miniaturization and broadbanding techniques are used to obtain a wider impedance bandwidth. This is to ensure the size compatibility of the proposed antenna to the compact Cubesat...
This paper presents a reconfigurable beam direction folded dipole antenna with Artificial Magnetic Conductor (AMC). A coaxial probe placed in the middle of the proposed antenna as the medium to feed the current and then distributed to the radiating element. This research has the capability to steer the beam direction by implementing the radio frequency (RF) switch mechanism on the antenna. With a...
This report presented a beam steering dipole antenna on incorporate polymeric and High Impedance Surface (HIS). In order to achieve the reconfigurability, two radio frequency (RF) switches are implemented on the antenna. By manipulating the RF switch state, the antenna is capable of reconfiguring its beam into two different directions at 28° and −28°. The RF switch will affected the antenna gain due...
In this paper, slots loaded elliptical polarized (EP) dual-band microstrip antenna printed on a substrate single layer is proposed. The antenna is consists from a four T-shaped slots near patch boundary and two pair of L-shaped slots etched at the corner of the radiating patch with rectangular shaped slot at the patch center. These types of the slots are produces two different frequency bands for...
In this paper, T-shape slotted array antenna through via for triple band is presented. The antenna consists of 2 × 2 slotted patch antennas on the upper side of the substrate, transmission line is located at the underside of the substrate, and full ground plane as a reflector at the bottom of the transmission line with an optimum gap. The transmission line and radiating patch is connected through...
This paper presents a carbon nanotube antenna array for wireless application operating at 5.8 GHz. The conventional metals such as copper for radiating elements has been replaced by a new technology of carbon nanotube (CNT) with high conductivity, corrosion resistance, and light weight. The reflection coefficient (S11), radiation efficiency, gains and radiation patterns have been investigated with...
In this paper, polymer magneto-dielectric (PDMS-Fe3O4) is proposed as a new substrate for multilayer microstrip antenna array for enhancement of bandwidth, gain, and overall efficiency. Nanoparticles of iron oxide (Fe3O4) have been composited with polymer matrix of polydimethylsiloxane (PDMS) to build up the polymer magneto-dielectric layer (PDMS-Fe3O4). Polymer magneto-dielectric (PDMS-Fe3O4) layer...
A high gain reconfigurable narrow beam steering array (RNBSA) antenna with Micro-Electro-Mechanical-System (MEMS) is presented in this paper. The RNBSA antenna is implemented a probe coupling feed technique to supply the energy to the radiating elements from the source and vice versa. At the same time, the MEMS circuits are integrated on the transmission line of the RNBSA antenna as the RF switches...
A reconfigurable MEMS beam steering array (RMBSA) antenna for smart radar application is proposed. The RMBSA antenna is designed with a coaxial probe technique as the medium to feed the current to the centre of the RMBSA antenna before the current is shared out to the radiating elements. This research successfully invented beam steering capability by using Micro-Electro-Mechanical System (MEMS) as...
A high gain 5.8 GHz multiple input multiple output (MIMO) 2×2 Array antenna with dimension of 58 × 110 mm2 is proposed in this paper. The proposed design is composed of two sets of four elements antenna array. Each element is constructed from four truncated arrays radiating elements which capable to achieve circular polarized capability. The antenna is fed by two coaxial feeds with full ground plane...
This paper introduces the performance of an elliptical shaped antenna with random slots and compares the results between the original patch and the patch without both dots and connector. 5.8 GHz is the reference or desired frequency set for measuring the performance of this antenna. For the design, three elliptical shaped slots with different dimensions are deployed and connected to each other acting...
This paper introduces the performance of an elliptical shaped antenna with random slots with the use of parasitic element and compares the results between the original patch and the patch without dots stacked with parasitic element mounted on a high dielectric substrate. 5.8GHz is the reference or desired frequency set for measuring the performance of this antenna. The purpose of using parasitic element...
This paper introduces the performance of an elliptical shaped antenna with random slots and compares the results between the original patch and the patch without dots. 5.8GHz is the reference or desired frequency set for measuring the performance of this antenna. For the design, three elliptical shaped slots with different dimensions are deployed and connected to each other acting as a main radiating...
This paper introduces the performance of an elliptical shaped antenna with random slots with the use of parasitic element and compares the results between the original patch and the patch with parasitic element mounted on superstrate. 5.8 GHz is the reference or desired frequency set for measuring the performance of this antenna. The purpose of using parasitic element is to optimize the gain and radiation...
This paper introduces the performance of an elliptical shaped antenna with random slots with the use of parasitic element and compares the results between the original patch and the patch with parasitic ring mounted on foam. 5.8GHz is the reference or desired frequency set for measuring the performance of this antenna. The purpose of using parasitic element is to optimize the gain and radiation efficiency...
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