compact antenna structure design
Design of Compact Microstrip Patch Antenna for Multiband Operations
... In this paper, a modified MPA etched on FR4 epoxy substrate with thickness 1.6mm and dielectric constant 4.4 was designed for 2 to 5 GHz multiband operation. To obtain the multiband operation two slots were introduced to ...
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Compact Wideband Antenna for Microwave Imaging of Brain
... the antenna from the adverse effects of the coupling liquid, the top radiator and the ground plane are to be covered by a suitable protective material, such as resin or ...current design, it is covered by a ...
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Compact Dual Band 1.8/3.3 GHz Planar Monopole Antennas Using Tuning Mechanisms for GSM/WiMAX
... could design an effectively tuned tuning pad extending between the upper and lower spacing of the coupling ...This structure is referred to as a Type 2 antenna (as shown in ...
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Compact Tri-Band Trapezoid CPW-Fed Antenna with SRR Structure for WLAN/WiMAX Applications
... the antenna are composed of a circular ring and a goblet-shape radiator etched on upper surface with nothing at the ...the design, two equal trapezoid ground planes of size ...proposed compact ...
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A Compact CPW-Fed Monopole Antenna with a U-Shaped Strip and a Pair of L-Slits Ground for WLAN and WiMAX Applications
... proposed antenna is shown in ...monopole antenna to our final design, we complete it by three steps, and they are antennas a, b and ...our design, one more resonance frequency comes out at the ...
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Compact Low Profile Broadband Rectangular Patch Antenna
... patch antenna is shown in ...patch antenna with coaxial line feeding are shown in ...proposed design, on a rectangular patch, two U-Slots are added to excite broad resonance band and also to enhance ...
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Design of Broadband Compact Size Antenna Comprised of Printed Planar Dipole Pairs
... the structure of the traditional dipole and monopole antennas, and many valuable results have been ...feeding structure, curve shape dipole ...complex structure. Operating bandwidth of the proposed ...
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Design and modeling of planar lens antenna element in x band applications
... and design of compact planar lens antenna element in X-band ...The antenna element is realized by using aperture-coupled patches with simple and less fabrication complexity phase-control ...
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Compact UWB MIMO Antenna with ACS-Fed Structure
... this antenna design, a compact and effective feeding technique is ...the antenna constructed using the Asymmetric Coplanar Strip (ACS)-fed exhibits all the advantages of the CPW-fed ...
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A Compact Dual Band Monopole Antenna using Defected Ground Structure
... Antenna design in Figure1 (a) and Figure 1 (b) shows the top and the bottom view of the microstrip fed monopole ...The antenna is excited by the microstrip feedline and is printed on the FR4 ...
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Design of a compact UWB antenna for mimo applications
... [13], antenna elements of different types were combined to achieve pattern ...The antenna elements had distinct radiation patterns and polarizations, and so were able to receive signals with low ...not ...
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Compact Dual Band MIMO Antenna Design
... Inverted-F Antenna (PIFA) is quarter wavelength in size and is suitable for portable ...band antenna operating at ...the compact structure in [1] to enhance the higher frequency bandwidth in ...
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A Modal Approach to Compact MIMO Antenna Design.
... In Section 3.1.2, we have proposed a circuit model for arbitrary antennas with wire structure or wire probe feeds. Therefore, we can model a planar antenna with probe feeds using the circuit model in Figure ...
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Design of a Compact MIMO Antenna for Wireless Applications
... the antenna elements. However, the compact size of the wireless devices imposes limitations to this ...Ground Structure (DGS) [3], including the neutralization line [4], electromagnetic band-gap ...
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Design of a Compact Planar Quasi-Yagi Antenna with Enhanced Gain and Bandwidth Using Metamaterial
... quasi-Yagi antenna based on [3] consists of five ...The antenna topology is shown in ...feeding structure is utilized by the microstrip line without any transition, balun or being ...quasi-Yagi ...
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Design and Analysis of Stair-shaped lotus Microstrip Patch Antenna for UWB Applications
... layer compact stair- shaped lotus microstrip antenna has been ...the antenna covers the whole UWB range which is ...The design of stair-shaped lotus microstrip antenna has been ...
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Printed Multiband Monopole Antenna for Smart Energy Meter/WLAN/WiMAX Applications
... The antenna configuration is illustrated in Figure 1. A cost effective FR4 substrate of thickness 1.6 mm having dielectric constant of 4.4 is utilized. The substrate dimensions are 50 × 200 mm 2 . The FR4 substrate ...
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Circularly Polarized Slit Loaded Broadband Coplanar Capacitive Coupled Probe Fed Microstrip Antenna for Wireless Communication System
... from feed strip line are negligible but as the operating frequency increases, the radiation losses are effective. The separation between radiator patch and the feed strip is essentially an asymmetrical gap that means two ...
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A Compact Antenna Design for UHF RFID Applications
... reader antenna in a passive RFID system should demonstrate a somewhat lower reflection coefficient level than that in a usual communication ...reader antenna must not exceed 6 dBi in order to prevent the ...
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Small Inverted-U Loop Antenna for MIMO Applications
... MIMO Antenna in a Laptop Terminal A three-element arrangement based on Design 1 or Design 3 described in part A is ...Although Design 2 has a better isolation, the prototype is not suitable ...
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