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3×3 Split Ring resonators with inner ring rotation are etched at the back side of Circular microstrip antenna with elliptical rings. Rotation for multiple angles leads to an enhancement in impedance bandwidth. The selected UWB antenna has fabrication dimensions of 45 mm × 31mm × 1.27 mm. The rotation of the inner rings occur clockwise and counter clockwise for −47°, 33° and 10°. The preferable enhanced...
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...
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 configuration for flexible wearable microstrip fed Ultra Wide Band antenna is introduced. The proposed monopole antenna which was fabricated on flexible substrate has compact geometry area of 38 × 22 mm2 that makes it suitable for wearable applications. The antenna has a resonating structure at the ground level that enhances the antenna gain performance over designed spectrum....
This paper presents the design of a dual band planar monopole antenna operating in the ultra-wide band frequency range. The antenna is optimized by varying the radiator dimensions. Two values of radii are considered in this paper: 8cm and 12 cm. A copper circular disk has been used as the radiator and FR4 material is considered to create the substrate. To have an optimum performance the distance between...
This paper presents a compact low-profile elliptical planner antenna for UWB applications. The antenna is fabricated using Rogers 5880 LZ substrate, conducting patch, and conducting ground plane. The antenna size is 41.95mm×21.2 mm×1.27mm. The operating bandwidth of the designed antenna is from 2.5–10.5 GHz, which make the antenna useful for UWB applications. The length of the ground plane is selected...
In this paper a compact antenna for ultrawideband applications is presented. The antenna is based on the biconical antenna design and has two identical elements. Each element is composed of a cone extended with a ring and an inner cylinder. The modification of the well-known biconical structure is made in order to reduce the influence of the radiation of the feeding cable. To obtain the optimum parameters...
In this study a novel architecture of Ultra Wide Band generator is explained. This architecture is the major important component in the generator Ultra Wide band communications systems. The new generator is consists of oscillator, multiplier and triangular pulse generator. This new study of generator is consists by multiply the triangular pulse signal envelope with a sinusoidal signal in the aim to...
A very high efficiency Ultra wide band(UWB) hemispherical dielectric resonator antenna is simulated. The antenna is excited by commonly used feeding technique known as microstrip feeding. The dielectric resonator (DR) is inserted in the vertical edge of the substrate, which covers almost entire UWB bands(3.1 GHz to 10.6 GHz). A high impedance bandwidth of 3.74 GHz to 10.49 GHz is achieved in simulation...
In this paper an Ultra Wideband Monopole antenna is designed for various WLAN and WiMAX applications. The antenna is designed using CST Microwave Studio SuiteTM. Iterative patch structures are considered to obtain optimized result. Also obtain optimized result using different substrate. Sierpinski Carpet Geometry is applied in design of the patch structure. The finalized monopole is proposed to be...
A novel multiresonance loop shape microstrip antenna (MRLMSA) for ultra wide band wireless communication applications is presented. The designed radiating antenna consists of a two loop shaped ring resonators around the single monopole hexagon patch. This antenna is powered through stepped co-planar waveguide (CPW) fed. The stepping fed is used to improve the antenna electrical characteristics at...
A very simple low profile rectangular dielectric resonator antenna (DRA) is proposed in this paper. A partially printed metallic ground with two stepped section removed has been used. A stepped microstrip feed line is used to excite the DRA. The structure gives a very high bandwidth from 3.71GHz to 13.01 GHz with a band notch at 5.725 GHz. A T shape slot is used in the ground plane to create the notch...
In this paper, a parametric study of unexplored design parameters of UWB vertical slotted Triangular (VST) antenna is carried out. The effective design parameters and the dimensional variation effects on the proposed antenna are presented in this paper. Finally, it has been shown that through proper values of design parameters one can easily get notch in the operational bandwidth.
This paper reviews single-layer and multi-layer dielectric rod antenna design for ultra-wideband (UWB) applications. Different from “polyrod” antennas used for high gain over no more than an octave bandwidth, the UWB rod designs can have many octaves of bandwidth depending on the number of layers. The rod antennas discussed here were design to provide frequency-independent performance such as constant...
A compact Ultra Wideband (UWB) microstrip antenna consists of a circular patch added with a three different length of open-end stub loaded Wing and partial ground plane with dumbbell shape defected ground structure (DGS) is proposed in this paper. This antenna was an improvement from the previous research, marked size reduction of 25% of the antenna size with comparable performance. The introduction...
This paper presents the design of Ultra Wideband (UWB) microstrip antenna consisting of a circular monopole patch antenna with 3 block stepped (wing). The antenna design is an improvement from previous research and it is simulated using CST Microwave Studio software. This antenna was designed on Rogers 5880 printed circuit board (PCB) with overall size of 26 × 40 × 0.787 mm3 and dielectric substrate,...
This paper presents a novel wide beam UWB direction antenna for 1~2GHz distributional through-the-wall detection system. For the requirement of large coverage area, more than 140° aspect beam over the ultra wide band directional antenna is designed. The antenna consists of a basic reduced ground plane antenna and an additional reflection structure at one side of the patch. The reflection ground structure...
This paper presents the design of an ultra wide band (UWB) antenna with CPW-fed. The antenna has been designed on FR4 substrate ??r = 4.3 and thickness 1.53 mm. The antenna has been fabricated and tested using VNA. The experimental results of this antenna offer ultra wide bandwidth from 2.86 GHz to 14.38 GHz. This corresponds to the impedance bandwidth 11.42 GHz and 132.48 %. The experimental results...
In this paper, we present the impact on specific absorption ratio (SAR) distribution by dispersive media in wireless body area networks (BAN). For BAN systems, ultrawideband (UWB) transmissions have received much attention because of its low power spectrum and its small antenna size. When we adopt the UWB technique to BAN systems, the SAR analysis is highly demanded for predicting the exposure level...
In this paper, a fully integrated monocycle pulse based UWB transmitter is presented. Fabricated in a 0.18-??m CMOS process, a low-power all-digital UWB pulse generator and modulator are proposed. The modulated pulse is further shaped by a driver amplifier and a band-notched UWB antenna. The transmitted pulses are binary phase modulated and meet the FCC UWB low frequency band (3.1-4.5GHz) spectral...
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