Slot antennas
Fractal-Based Triangular Slot Antennas with Broadband Circular Polarization for RFID Readers
... Abstract—Equilateral-triangular slot antennas with modified edges for wideband circular polarization are proposed in this ...presented antennas obtain fairly wide 3-dB axial ratio bandwidths of ...
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Bandwidth Enhancement of Microstrip Line and CPW-Fed Asymmetrical Slot Antennas
... rectangular slot antennas to obtain broad impedance bandwidth along with stability of the radiation ...asymmetric slot antenna and these resonances can be merged to achieve a higher ...rectangular ...
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Modified Square Slot Antennas for Broadband Circular Polarization
... A pair of stubs or notches with different dimensions is firstly introduced in Case 1 and 2, in which one stub (notch) is designed to obtained low CP AR and another stub (notch) is adopted to affect the impedance ...
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Reconfigurable Slot Antennas with Circular Polarization
... ring slot antennas is first proposed and the key parameters of affecting the CP operation frequency are ...reconfigurable antennas can be drawn from the parametric ...
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Comparative Analysis of Single Slot and U Slot Antennas for Satellite Applications
... different slot antennas have been simulated using HFSS ...basic slot antenna is compared with a U slot ...basic slot antenna. Both the antennas hold their applications in ...
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Multiband Slot Antennas for Metal Back Cover Mobile Handsets
... multiband antennas held close to the ear and ...for slot antennas incorporated into the metal shielding of the case have been researched [4, ...
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Development of Graphene Based Tapered Slot Antennas for Ultra-Wideband Applications
... tapered slot antennas are designed for ultra-wideband (UWB) ...designed antennas. To feed the antennas, microstrip to slotline transition technique is ...tapered slot antenna (LTSA), ...
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Circular Slot Antennas Using L-Shaped Probe for Broadband Circular Polarization
... backed antennas [9–12] that radiate unidirectional patterns are of special interest because they can be easily mounted on surfaces of, for example, high speed vehicles with applications of mobile communication and ...
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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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Study on the Planar Circularly Polarized Antennas with Swastika Slot
... annular-ring slot antenna at two appropriately selected positions ...microstrip antennas have been reported [9], but possess a limited AR ...bent slot and wide slot antennas with ...
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A Compact Broadband Slot Antenna for Indoor Distributed Antenna Systems
... wide slot antennas have attracted much attention due to their advantages such as wide band radiation performance ...antenna slot is, the larger the impedance bandwidth ...broadband slot ...
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A Broadband Circularly Polarized Antenna Fed by Horizontal L-Shaped Strip
... symmetric slot for CP operation in [12– 14] and the AR bandwidths of ...ring slot feed by double-bent stripline achieves a 3-dB AR bandwidth of ...four antennas focus on slot antennas ...
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A Multiband Slot Antenna for GPS/WiMAX/WLAN Systems
... strip antennas can be divided into two basic types by structure, namely micro strip patch antenna and micro strip slot ...The slot antennas can be feed by micro strip line, slot line ...
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A Multiband Slot Antenna for GPS/WiMAX/WLAN Systems
... strip antennas can be divided into two basic types by structure, namely micro strip patch antenna and micro strip slot ...The slot antennas can be feed by micro strip line, slot line ...
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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 ...
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Study of CPW-Fed Slot Antenna for UWB Application
... rate. Slot antennas are currently under consideration for use in broadband communication systems due to their attractive features, such as wide frequency bandwidth, low profile, light weight, easy ...
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Circularly Polarized Broadband Antenna with Circular Slot on Circular Groundplane
... broadband antennas should provide broad- band characteristics in input impedance, axial ratio (AR) and gain ...characteristics. Slot antennas with large radiating aperture provide wider bandwidth ...
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Comparison between Two CPW-FED UWB Antennas based on different feeding techniques
... UWB antennas. The design of antennas for UWB applications must satisfy the following ...planar slot antennas with CPW fed posses the features mentioned above with simple structure, less ...
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Design and Realization of Circular Polarized SIW Slot Array Antenna for Cubesat Intersatellite Links
... planer antennas, which are light weight, planar, compact, and ...SIW-based antennas [5– ...waveguide antennas, such as low cost, high isolation, reduced sizes and easy integration [5, ...waveguide ...
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Slot Coupled Ultra Wideband and Multiband Monopole Antennas for Wireless Applications
... monopole antennas are the right candidates and are most popular in integrated circuits applications because of their ease of integrability into system on chip (SOC) ...UWB antennas reported in literature ...
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