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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 paper, the study of shell and body tissue simulating liquid (BTSL) thickness and its effects on capsule antenna performance at 2.45 GHz were presented. Two simulation setups which consists two different sets of shell and BTSL position near the capsule antenna were used in the simulation process. The reflection coefficient, directivity, gain and efficiency performance in those simulation setups...
In this paper, the study of shell and body tissue simulating liquid (BTSL) effects on compact peanut-shape antenna performance that operate at frequency 2.45 GHz are presented. Two simulation setups which consist of eight different types of simulation were used in the simulation process. Reflection coefficient, bandwidth, radiation pattern and directivity in those simulation setups are determined...
In this paper, a very small 2.45 GHz printed antenna suitable for WLAN application is proposed. In order to decrease the size of the antenna, multi-layer substrate and shorting plate method are used. A microstrip line which can lead to a good impedance matching and four pairs of slot are used to obtain acceptable value of return loss at the desired frequency. These techniques are used as a mean that...
High-permittivity rectangular bismuth titanate (ReBiT) array antennas for WiMAX application have been investigated, fabricated, and measured. The antennas are designed and constructed with a combination of two-, four-, and six-BiT elements in an array form stacked on a microwave substrate. The impedance bandwidth of the ReBiT is 350 MHz, and it is able to operate in the frequency range of 2.20 to...
In this paper, 2.45 GHz small printed antenna suitable for WLAN-band application are proposed. In order to decrease the size of the antenna, multi-layer substrate and shorting pin method are used. Partial and slitted ground methods are used to increase the impedance bandwidth of the antenna. This antenna shows an omni-directional radiation pattern similar to that of a monopole antenna.
A switchable ultra-wideband (UWB) to tri-band antenna with the presence of the three RF switches is presented. The proposed antenna capable to perform UWB at 2.7GHz to 11.9GHz and tri-band antenna at band 1 (2.43GHz to 2.65GHz), band 2 (3.18GHz to 6.58GHz) and band 3 (7.41GHz to 10.81GHz) under the minimum impedance matching of −10dB. The novel design antenna with a partial ground has a compact size...
In this paper, a compact printed antennas with a band-stop characteristic for ultra-wideband application are proposed. The dual-oval shape is introduced to reduce the size of the dimension, thus make it more compact. In order to increase the impedance bandwidth of the proposed antenna, a partial ground and circular slot are used. By attaching an inverted Y-shaped open-circuited stub in the circular...
Due to their popularity, antennas implemented on conductive textiles have been widely investigated. Prototypes of full-textile antennas are also usually pre-investigated using conductive foils, which is more homogeneous and provides better mechanical consistency. However, in today's practical applications, various electronic devices are still implemented on low-cost FR4 boards, popular in printed...
This paper present development in relation to a wideband antenna comprising a disk antenna and a plurality of circular split ring resonators coupled with a high dielectric ring. Using slotted resonators together with optimized air gap in order to achieve elevated bandwidth comes with minor setbacks: moderate gain and directivity, side coupling effect and unbalance electrical field strength and intensity...
This paper describes the design and simulation of Sierpinski Carpet Fractal Planar Inverted F Antenna (PIFA) for WLAN and HiperLAN applications. Simulation of antenna is carried out using CST software; on a FR4 board with a substrate thickness of 1.6 mm and relative permittivity of 4.7. The antenna achieved satisfactory 10-dB impedance bandwidths, between the frequencies of 2341-2812 MHz and 5360-6154...
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