ring slot
Design and Investigation of a Dual-Band Annular Ring Slot Antenna for Aircraft Applications
... annular ring slot structure ...and slot antennas [14–17], and the operation modes analysis using cavity model of annular ring antennas are also introduced [5, 7, 8, 18], which provide a ...
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A Circularly Polarized Elliptical-Ring Slot Antenna Using an L-Shaped Coupling Strip
... elliptical- ring slot antenna fed by an L-shaped feed line with a single ...elliptical-ring slot can achieve broadband characteristics by making use of multi-modes of the tapered structure, ...
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A Rectangular Ring Slot Microstrip Patch Antenna for Multiband Applications
... There are various designs of Micro strip patch antenna with are proposed with diferrent slots for different wireless applications [7]. Performance of the antenna system can be improved using different sized slots in the ...
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Analysis of Circularly Polarized Ring Slot Antenna Fed by Coupling Strip with Resistive Loading
... For a single-fed resonant antenna, the design process for circular polarization (CP) is more tedious than that for linearly polarization. The main reason is that the parameters related to CP axial ratio need to be ...
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Rectangular Ring-Slot Dielectric Resonator Antenna with Metallic Patch
... Abstract—This paper presents an innovative design approach that improves the characteristics of rectangular dielectric resonator antenna (RDRA). In this design the dielectric resonator (DR) fed by microstrip line feed ...
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Integrated Compact Circular Polarization Annular Ring Slot Antenna Design for RFID Reader
... space wavelength [14], which means the radius of the annular ring slot antenna is only about 0.32 free space wavelength. To match the antenna to the 50-ohms feed line, the coupled open-ended microstrip line ...
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CPW-Fed Octagon Shaped Ring Slot Monopole Antenna
... octagonal ring-shaped antenna for wireless applications powered by a coplanar waveguide ...shaped Ring slot Monopole the antenna which is an alluring structure for improving gain, return loss and ...
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Crossed Oval-Ring Slot Antenna with Triple-Band Operation for WLAN/WiMAX Applications
... split ring slot have attracted significant interest because of their appealing features such as relatively wide bandwidth, lightweight and ease of fabrication [9– ...
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Miniaturized Annular Ring Slot Antenna for Small/Mini UAV Applications
... annular ring slot structure, and the bottom layer is a novel matching ...annular ring slot structure. The annular ring slot structure is a circular patch with a ring ...
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Plan and Fabrication of a Compact Annular Ring Slot Patch Antenna of Enhanced Bandwidth
... Figure(3) shows the return loss, VSWR and real/imaginary impedance respectively with and without short stub in ring slot. Observed the bandwidth enhancement after put the short stub at the ring ...
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Enhanced Bandwidth Proximity Coupled Equilateral Triangular Microstrip Antenna Loaded with Horizontal Rectangular Ring Slot
... Experimental results indicate that impedance bandwidth of the conventional antenna can be significantly improved by employing horizontal rectangular ring slot on the patch i.e., HRRSPCETMSA resonates for ...
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Design of Inset-Fed Penta-Band Circular Microstrip Antenna for Wireless and X-band Communication
... For better understanding the multi-band characteristics of the proposed antenna, the surface current distribution is discussed. Fig. 3(a) - 3(e) shows a simulated surface current distribution on the radiating element of ...
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RESONANCE CHARACTERISTICS OF MICROSTRIP ANTENNA AS A FUNCTION OF SUBSTRATE THICKNESS
... A set of measurements of annular ring slot antennas on substrates of varying thickness is presented. The most important factors in design of microstrip circuit and antenna are choice of the best substrate ...
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Compact Dual-Band Slot Antenna for 2.4/5ghz WLAN Applications
... are not very compact and will cause inconvenience when integrated with other circuits. Based on a recent investigation of broadband [10– 16, 18, 27] and dual-band antenna [9, 17, 19–26], we propose a compact dual-band ...
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Miniaturization and Bandwidth Enhancement of a CPW-Fed Annular Slot Antenna Using RIS
... a slot radiator by slotted spiral line minimizes the near-field coupling of inductive loads and also shrunkens antenna dimension ...rectangular slot compensates the capacitive reactance of a simple ...
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A Corner-Fed Square Ring Antenna with an L-Shaped Slot on Ground Plane for GPS Application
... [7], slot [8, 9], and patch [10–12] for CP applications have been proposed ...L-shaped slot is embedded in the ground plane for CP characteristics and improving its ...asymmetry ring slot ...
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Comparative Analysis of a Circularly Polarized Microstrip Antenna with a Cross Slot using Single and Double Substrate
... printed slot antennas are widely used in satellite communication and recent wireless communication application due to their advantages such as large impedance bandwidth, low profiles and wide 3dB axial ratio ...
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Broadband Aperture-Coupled Microstrip Antennas with Low Cross Polarization and Back Radiation
... annular-ring slot, and they are respectively fabricated on the two faces of another FR4 substrate with the same thickness and ...annular-ring slot centered below the circular patch is r and ...
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Design of Hexadecagon Circular Patch Antenna with DGS at Ku Band for Satellite Communications
... circular ring microstrip patch antenna [3] was designed for 4G application with bandwidths of 4% and 7% for upper and lower ...annular ring slots were loaded on the spherical-circular microstrip antenna [4] ...
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Compact Dual Band-Reject UWB Antenna with Sharp Band-Edge Frequency
... split ring slot etched on the radiating patch rejects WiMAX ...S-shaped slot and ring slot is optimized to control the width and length of the notched band according to the practical ...
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