/pdf/a-compact-microstrip-square-ring-slot-antenna-for-uwb-1ytyacsgsl.pdf

A Compact Microstrip Square-Ring Slot Antenna for UWB Applications

A microstrip square-ring slot antenna (MSRSA) for UWB (Ultra Wideband) antenna applications is proposed and improved by compaction. This structure is fed by a single microstrip line with a fork like-tuning stub. By splitting the square-ring slot antenna (SRSA) and optimization of the feeding network, the required impedance bandwidth is achieved over the UWB frequency range (3.1 to 10.6 GHz). The experimental and simulation results exhibit good agreement together. Parametric study is applied to compaction of structure. This compaction provides a good radiation pattern and a relatively constant gain over the entire band of frequency.

/pdf/a-compact-microstrip-square-ring-slot-antenna-for-uwb-mbaewuf5zp.pdf

This paper presents a novel band-notched elliptical slot antenna for Ultra Wide-Band (UWB) communication, which is printed on a dielectric substrate of RT/duroid 6006 with relative permittivity (er) of 6.0, thickness of 1.27 mm, and fed by an elliptical open ended microstrip line connected to the 50 Ω main line. This antenna is designed to be used in frequency band of 3.1–10.6 GHz. Bandnotched characteristics of antenna to reject the frequency band of 5.15–5.825GHz, which is limited by IEEE 802.11a, is realized by parasitic inverted-U strip attached to the elliptical slot plane. Effects of varying the parameters of parasitic inverted-U strip on performance of proposed antenna have been investigated. The antenna with optimal parameters obtained from parametric study is fabricated and measured. It is observed that the simulation and experimental results have good agreements with each other. 128 Fallahi, Kalteh, and Golparvar Roozbahani

/pdf/a-novel-uwb-elliptical-slot-antenna-with-band-notched-330t5wtcys.pdf

A novel uwb elliptical slot antenna with band-notched characteristics

An ultra-wideband (UWB) U type monopole antenna fed by a coplanar waveguide (CPW) is proposed. It has low profile and very compact size (14.48 mm × 28.74 mm × 0.8 mm). It provides an wide impedance bandwidth ranging from 3.08 GHz to about 12.75 GHz adjustable by variation of its parameters, such as the relative permittivity and thickness of the substrate, width, and feed and ground plane dimensions. Parametric study is presented. Details of the proposed ultra-wideband design are described. Simulation results are presented and discussed in this paper.

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A planar u type monopole antenna for uwb applications

/pdf/design-of-a-microstrip-square-ring-slot-antenna-filled-by-an-1e7enju7xw.pdf

Design of a Microstrip Square-Ring Slot Antenna Filled by an h-Shape Slot for UWB Applications

An ultra-wideband (UWB) monopole antenna with a band-notch characteristic is presented which needs only two parameters to tune the notch frequency. The proposed monopole antenna is embedded with a crescent slot, whose length is determined by parametric study. By adjusting the slot length, the notched frequency band within the antenna's operating bandwidth can be easily controlled. Also, the time-domain behaviours are discussed and the fidelity factor is calculated.

/pdf/frequency-and-time-domain-characteristic-of-a-novel-notch-14dzkseiu6.pdf

Frequency and Time Domain Characteristic of a Novel Notch Frequency UWB Antenna

With the definition and acceptance of the ultrawide-band (UWB) impulse radio technology in the USA [1], there has been considerable research effort put into UWB radio technology worldwide. Recently, the Federal Communication Commission (FCC)’s allocation of the frequency band 3.1–10.6 GHz for commercial use has sparked attention on ultra-wideband (UWB) antenna technology in the industry and academia. Several antenna configurations have been studied for UWB applications [2–6]. It is of a particular interest to design a compact antenna with good impedance matching

/pdf/circular-slot-with-a-novel-circular-microstrip-open-ended-fczwduke8j.pdf

Masum Fardis

Papers

A Compact Microstrip Square-Ring Slot Antenna for UWB Applications

Frequency and Time Domain Characteristic of a Novel Notch Frequency UWB Antenna

Circular slot with a novel circular microstrip open ended microstrip feed for uwb applications