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Compact and Broadband Microstrip Antennas

Kin-Lu Wong
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TLDR
In this paper, the authors present an overview of the most recent advances in regular-size Dual-Frequency Antennas and their application in a wide range of applications, including: 1.1 Introduction.
Abstract
Preface. 1. Introduction and Overview. 1.1 Introduction. 1.2 Compact Microstrip Antennas. 1.3 Compact Broadband Microstrip Antennas. 1.4 Compact Dual-Frequency Microstrip Antennas. 1.5 Compact Dual-Polarized Microstrip Antennas. 1.6 Compact Circularly Polarized Microstrip Antennas. 1.7 Compact Microstrip Antennas with Enhanced Gain. 1.8 Broadband Microstrip Antennas. 1.9 Broadband Dual-Frequency and Dual-Polarized Microstrip Antennas. 1.10 Broadband and Dual-Band Circularly Polarized Microstrip Antennas. 2. Compact Microstrip Antennas. 2.1 Introduction. 2.2 Use of a Shorted Patch with a Thin Dielectric Substrate. 2.3 Use of a Meandered Patch. 2.4 Use of a Meandered Ground Plane. 2.5 Use of a Planar Inverted-L Patch. 2.6 Use of an Inverted U-Shaped or Folded Patch. 3. Compact Broadband Microstrip Antennas. 3.1 Introduction. 3.2 Use of a Shorted Patch with a Thick Air Substrate. 3.3 Use of Stacked Shorted Patches. 3.4 Use of Chip-Resistor and Chip-Capacitor Loading Technique. 3.5 Use of a Slot-Loading Technique. 3.6 Use of a Slotted Ground Plane. 4. Compact Dual-Frequency and Dual-Polarized Microstrip Antennas. 4.1 Introduction. 4.2 Some Recent Advances in Regular-Size Dual-Frequency Designs. 4.3 Compact Dual-Frequency Operation with Same Polarization Planes. 4.4 Compact Dual-Frequency Operation. 4.5 Dual-Band or Triple-Band PIFA. 4.6 Compact Dual-Polarized Designs. 5. Compact Circularly Polarized Microstrip Antennas. 5.1 Introduction. 5.2 Designs with a Cross-Slot of Unequal Arm Lengths. 5.3 Designs with a Y-Shaped Slot of Unequal Arm Lengths. 5.4 Designs with Slits. 5.5 Designs with Spur Lines. 5.6 Designs with Truncated Corners. 5.7 Designs with Peripheral Cuts. 5.8 Designs with a Tuning Stub. 5.9 Designs with a Bent Tuning Stub. 5.10 Compact CP Designs with an Inset Microstrip-Line Feed. 6. Compact Microstrip Antennas with Enhanced Gain. 6.1 Introduction. 6.2 Compact Microstrip Antennas with High-Permittivity Superstrate. 6.3 Compact Microstrip Antennas with Active Circuitry. 7. Broadband Microstrip Antennas. 7.1 Introduction. 7.2 Use of Additional Microstrip Resonators. 7.3 Microstrip Antennas with an Air Substrate. 7.4 Broadband Slot-Loaded Microstrip Antennas. 7.5 Broadband Microstrip Antennas with an Integrated Reactive Loading. 7.6 Broadband Microstrip Antennas with Reduced Cross-Polarization Radiation. 8. Broadband Dual-Frequency and Dual-Polarized Microstrip Antennas. 8.1 Introduction. 8.2 Broadband Dual-Frequency Microstrip Antennas. 8.3 Broadband Dual-Polarized Microstrip Antennas. 9. Broadband and Dual-Band Circularly Polarized Microstrip Antennas. 9.1 Introduction. 9.2 Broadband Single-Feed Circularly Polarized Microstrip Antennas. 9.3 Broadband Two-Feed Circularly Polarized Microstrip Antennas. 9.4 Broadband Four-Feed Circularly Polarized Microstrip Antennas. 9.5 Dual-Band Circularly Polarized Microstrip Antennas. Index.

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Citations
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Journal ArticleDOI

Multi-Band Rectangular Microstrip Antenna Using a Metamaterial-Inspired Technique

TL;DR: In this paper, a new design methodology for multi-band rectangular microstrip antenna using a metamaterial-inspired technique is proposed, which uses the metal disk with SRR-shaped slot placed horizontally between the patch and the ground plane.
Journal ArticleDOI

A compact elevated CPW-fed antenna with slotted ground plane for wideband applications

TL;DR: In this article, a miniaturized elevated-coplanar-waveguide-fed antenna with a slotted ground plane is proposed and the measured radiation characteristic shows a stable and nearly omnidirectional pattern over the operating bandwidth region.
Proceedings ArticleDOI

Enhancement Bandwidth of Parasitic Microstrip Antenna Using Multiple Feed Line

TL;DR: In this article, the authors proposed a design of a parasitic microstrip antenna with multiple feed line for mobile communication applications at working frequency of 1800 MHz and obtained return loss of −15.95 dB, VSWR of 1.379 and bandwidth of 328 MHz.
Journal ArticleDOI

An Application of ANN Model with Bayesian Regularization Learning Algorithm for Computing the Operating Frequency of C-Shaped Patch Antennas

TL;DR: The obtained results show that ANN-BR technique can be successfully used to compute the operating frequency of CPAs without involving any sophisticated methods.

Optimization and High Gain of a Microstrip Patch Antenna Excited by Coaxial Probe for RFID Reader Applications at 2.4 GHz

TL;DR: The design and optimization of a rectangular patch antenna excited by coaxial probe for RFID applications and which operates at the central frequency of 2.4 GHz is presented.
References
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Book

Microstrip antennas

I. J. Bahl
Journal ArticleDOI

Dual-frequency patch antennas

TL;DR: In this paper, a critical overview of possible solutions for dual-frequency patch antennas is presented, and future perspectives are outlined, in particular geometric and spectral properties of patch antennas are discussed.
Journal ArticleDOI

Dual-frequency planar inverted-F antenna

TL;DR: In this paper, the authors proposed a planar dual-band inverted-F antenna for cellular handsets, which operates at the 0.9-GHz and 1.8-GHz bands.
Journal ArticleDOI

Active integrated antennas

TL;DR: Active integrated antenna (AIA) technologies have been extensively studied in the past decade or so as discussed by the authors, with a brief introduction on the definition and some historical remarks on the research effort on the past decades or so.
Journal ArticleDOI

Experimental and simulation studies of the coaxially fed U-slot rectangular patch antenna

TL;DR: In this paper, the U-slot patch on a foam substrate of about 0.08/spl lambda/thick was designed to attain 20-30% impedance as well as gain bandwidth.