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In this paper a novel defected ground structure CPW Microstrip antenna is designed for dual band applications. The proposed planner monopole antenna consists of a square-shape radiating patch etched with a 3-shaped slot and a ground plane with tapered step, which is designed to enhance band width 0.42 GHz at 4.53GHz resonant frequency and 2.87GHz at 6.88GHz resonant frequency, it provides −23.87dB...
The paper aims at improving the efficacy and enhancing the gain of conformal omni directional patch antenna. It evaluates the performance Conformal Patch Antenna (CPA) in terms of various metrics viz. efficiency, gain, directivity, main lobe level, power radiation level and bandwidth. In order to enhance these parameters Meta-materials (MMs) are used as an uniform flat lens in front of designed CPA...
This paper describes the enhancement of rectangular patch for GSM band of frequency 5.3 GHz. An I-slotted Microstrip patch antenna has been designed and simulated using IE3D 14.10. The proposed Microstrip Patch antenna is designed to support modes with resonance at 5.3 GHz and it was found that an increase of bandwidth of 20.45 % and achieved gain is 7.25 dBi. The antenna design and performance are...
In this paper, a compact N shaped dual band patch antenna loaded by shorting pin is designed. The lessening in patch size is achieved by perturbing the surface current path on the edge of a circular patch antenna by two triangular slots which make the patch as N shaped. Dual wideband is achieved by combining two triangular slots and shorting pin. Simulated results which are carried out by Finite Element...
In this paper, we propose a design of compact rectangular microstrip patch antenna (CRMPA). The substrate height is doubled so the effective dielectric constant is changed and it shifts the resonant frequency to lower side and makes the compact antenna. The size reduction of about 31% compared to the actual area required to resonate at 5.4GHz. The bandwidth 700MHz with respect to center frequency...
This paper presents a method of wirelessly sensing the resonant frequency of passive resonators using modulated waveforms. A pulse signal with a relatively wide frequency spectrum is transmitted towards a passive resonator, which in turn, reflects energy back to the interrogator. After time-domain gating and processing, the resonant frequency of the passive resonator can be wireless detected. This...
Miniaturized microstrip antennas are of great interest in the recent time especially in wireless communication systems and biomedical applications. To enhance efficiency, avoid co-channel, adjacent channel interference and associated complications accurate determination of resonant frequency is an essential requirement. A method to calculate accurately the resonant frequency is of great importance...
A new down-sized circular patch antenna for small portable terminals is introduced and implemented. In this design a circular patch antenna is divided into two separate parts which are then connected to each other by a number of parallel transmission lines. It is demonstrated that the resonant frequency can be reduced and controlled by changing the number and modifying the characteristics of these...
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