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Here, a simple cylindrical dielectric resonator is cut into two equal segments and the two segments are used to design a broadband hybrid monopole-dielectric resonator antenna. The impedance bandwidth of the proposed antenna is 100%, whereas that of a cylindrical dielectric ring resonator (with same radius and height) loaded monopole antenna is only 58%. Also, this new proposed antenna cause gain...
A rectangular and planar Ultra-wide band (UWB) antenna with dual band notched characteristic is proposed using two U-shaped slots on radiating patch is discussed and presented in this paper. The proposed design uses one inverted U-shaped slot inside another U Slot with beveled corners on the radiating microstrip patch antenna. In this design, microstrip fed is utilized along with partial ground plane...
In this paper, a novel approach of an extracted LC model of monopole antenna with T-slot at ground plane for ultra wide band application is proposed. For extraction of LC model, 50Ω matching between dielectric component and semi conducting at ground plane where T-slot is embedded is done. The monopole with T-slot antenna achieves wide band of 2.1GHz to 11GHz while extracted LC model is 2.1GHz to 10...
In this paper, multiband Bow Tie antenna with the circular arm is proposed with two circular slots of radius 13 mm in the ground plane. By applying the Apollonian Gasket of fractal geometry on the circular arm of Bow Tie this antenna is resonating at four frequencies, 3.57, 5.79, 6.99 and 8.38 GHz with reflection coefficient values of −19.42 dB, −52.97 dB, −29.93 dB and −26.92 dB respectively. With...
This, paper has been investigated the Printed Monopole Antenna for the ultrawideband wireless communication system. The effects of defected ground structure are presented on the basis of simulations performed in IE3D for improvement in impedance bandwidth of proposed antenna. A significant improvement in the impedance bandwidth of the printed monopole antenna has occurred because of a small rectangular...
The intent this paper is to introduce a modified design of triangular patch printed slot antenna used for ultra wide band (UWB) applications ranging for 3.1 to 10.6 Ghz. Antenna element was feed by coplanar waveguide (CPW) for the suitable interfacing with monolithic microwave integrated circuits. Here it has been presented by simulation results that the antenna can cover wide bandwidth with suitable...
Ultra Wideband (UWB) is a new emerging and promising technology as it can accommodate higher data over a large bandwidth. we proposed a compact printed monopole UWB antenna with 3.4GHZ band-notched Characteristics. A simple square patch antenna has been fed through a 50 Ω microstrip feedline and a rectangular notch has been etched on the ground plane to reject the interference of WIMAX Band (3GHZ–4...
A compact antenna with ultra wideband characteristics is proposed which covers the dimension of 23 × 21 mm2. It has a rectangular slotted patch with a circular slot, microstrip feed line and a tapered slot ground with a thickness of 1.6 mm which covers the inexpensive FR4 dielectric substrate. The proposed antenna covers a wider bandwidth of 10.1 GHz (2.90–12 GHz) with stable radiation pattern and...
Design and analysis of an ultra-wide band antenna consisting extra radiating patch with bandwidth enhancement and band notch characteristic is presented. Antenna consists of an exciting rectangular patch on the front side and an extra radiating patch with π shaped slot on the backside of the substrate. By inserting a slot to the antenna, WLAN notched frequency band is achieved. A conceptual modal,...
This paper presents an UWB monopole antenna with rectangular slots on the patch and defected ground surface. The proposed antenna has a dimension of 25mm∗30mm∗1.6mm fabricated on FR4 dielectric substrate material with dielectric constant (εr) 4.4. The microstrip feed is incorporated to monopole with rectangular slots on both the ground plane and patch which produce the extra resonance frequencies...
This paper presents a U-shaped stub fed with coplanar wave guide (CPW) line and microstrip line to achieve ultra-wideband characteristics. Two kinds of antenna prototypes are designed, fabricated and measured. A1: CPW-fed U-shaped stub placed in a rectangular wide slot and A2: microstrip line fed U-shaped open stub. Both the antennas are designed on FR4 Epoxy substrate of thickness 1.6mm. Simulated...
Antennas are important components of Wireless Capsule Endoscope (WCE) that has been explored due to its non-invasive nature compare to the traditional endoscopy. The main challenges of these antennas include data rate of the telemetry system, miniaturizing the capsule, propagating efficiency of the antenna in the vicinity of human body. In this paper, a miniature Ultra-wideband (UWB) antenna is proposed...
In this paper, a new compact spectacles shaped patch UWB antenna using a microstrip fed line is proposed. The new design is consist of a spectacles shaped patch along with tapered slot ground plane.The proposed antenna has a compact electrical dimension of 0.24 λ × 0.21 λ × 0.016 λ and fed with a 50-ohm microstrip transmission line. Computer Simulation Technology (CST) based on finite-difference time-domain...
In this paper, a MIMO antenna of size 52 × 35 × 1.6 mm3 for UWB applications is designed and analyzed. A separate ground plane antenna elements are set beside each other on top of FR-4 substrate. Each single antenna element is designed through varying the main six parameters that describe the super-formula. The antenna elements are fed through a microstrip feeding line. A full-wave simulator is used...
An ultra-wideband (UWB) W-shaped patch antenna with defected ground is presented in this paper. Design, simulation and the analysis of the proposed single layer line feed antenna is done in CST Microwave Studio with 10.3 GHz operating frequency. The simulated results reveal that, the presented W-shaped line fed antenna offers a very wide bandwidth of 507 MHz ranging from 10.146 GHz to 10.653 GHz....
In this paper, a reconfigurable triple notched-band UWB (Ultra Wide Band) antenna is presented. This compact antenna covers the frequency range from 3.1 GHz to 11.21 GHz. In order to reject a three frequency bands including the WiMAX (3.2–3.6 GHz), WLAN (5.15–5.85 GHz) and X band (7.25–8.395 GHz), we have inserted three different slots in the radiating patch; two C-shaped slots and a rectangular slot...
This paper introduces a thin film-based wearable ultra-wideband (UWB) antenna implemented over an artificial magnetic conductor (AMC) in order to reduce the effect of human body and improve gain and bandwidth characteristics. The proposed AMC is implemented using a low-cost and easily-fabricated polydimethylsiloxane (PDMS) as a flexible substrate to enhance radiation properties of the wearable antenna...
In this article, a printed planar low VSWR monopole antenna with a new modified ground plane for ultra-wideband (UWB) and 2.6 GHz LTE-band applications is presented. The dimensions of proposed antenna structure are optimized to achieve low VSWR performance. The antenna is fabricated on a low cost FR4 epoxy substrate and tested. The proposed antenna return loss is below −15 dB within bandwidth 2.5–13...
Two CPW fed band-notched antenna are presented. In the first antenna by using four CSRRs(Complementary Split Ring Resonators) and a MLs(Meander Lines) on the patch and the feed line, band notched features are obtained in 5.4 GHz–6.5 GHz for WLAN, 7.2 GHz–8 GHz for partial C-band and 8.5 GHz–10.4 GHz for X-band. The presented antenna consists of a square patch which has four CSRRs in four different...
This paper presents novel designs, analyses, and simulations of two miniaturised pyramidal double-ridged horn (PDRH) microwave antennas for medical imaging systems. The PDRH antennas have been optimised to operate within a ceramic material filling with permittivity of 41 (which approximately is the permittivity of the human skin in the intended frequency range), in order to make the compact antennas,...
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