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Small Antennas:Miniaturization Techniques & Applications

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ISBN-10: 0071625534

ISBN-13: 9780071625531

Edition: 2010

Authors: John Volakis, Chi-Chih Chen, Kyohei Fujimoto

List price: $145.95
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Book details

List price: $145.95
Copyright year: 2010
Publisher: McGraw-Hill Education
Publication date: 7/16/2010
Binding: Hardcover
Pages: 448
Size: 6.25" wide x 9.25" long x 1.00" tall
Weight: 1.584
Language: English

Acknowledgments
Introduction
Survey of Small Antenna Theory
Introduction
Small Antenna Parameters
Directivity
Radiation Efficiency
Quality Factor
Antenna Quality Factor
Quality Factor for Lumped Circuits
External and Loaded Q
Input Impedance and Matching
Small Antenna Theory
Work of Wheeler (1947-1975)
The Radiation Power Factor
The Spherical Coil
Comments
Work of Chu (1948)
Spherical Waves
Chu Equivalent Circuit
Maximum Gain Omni-directional Chu Antenna
Minimum Q Omni-directional Chu Antenna
Maximum G/Q Omni-directional Chu Antenna
Horizontally Polarized Omni-directional Chu Antenna
TE and TM Circularly Polarized Omni-directional Chu Antenna
Comments
Work of Harrington (1960)
Maximum Gain for a Directional Chu Antenna
Minimum Q for a Directional Chu Antenna
Antenna Losses and Efficiency
Comments
Work of Collin, Rothschild, and Fante (1964-1969)
Exact Q for a TM or TE Propagating Chu Antenna
Exact Q for a TM and TE Propagating Chu Antenna
Relationship Between Q and Fractional Bandwidth B
Comments
Work of Hansen (1981-2006)
Closed Form Q for TM or TE Omni-directional Chu Antenna Using Chu RLC Approximation
Work of McLean (1996)
McLean's Exact Q for Chu Antenna Radiating TM<sub>10</sub> or TE<sub>10</sub>
Q for Radiating Equally Excited TM<sub>10</sub> and TE<sub>10</sub>
Exact Q for Chu Antenna Derived from Mode Circuits
Comments
Work of Foltz and McLean (1999)
Minimum Q for the TM Prolate Chu Antenna
Comments
Work of Thiele (2003)
Superdirectivity and Q
Comments
Work of Geyi (2003)
Field-Based Evaluation of Antenna Q
Field-Based Evaluation of Antenna Q
Reinvestigation of Small Antenna Gain and Q Limitations
Work of Best (2003-2008)
B<sub>v</sub> and Antenna Input Impedance
Exact Q Derived from Maxwell's Equations
Representing Q as a Function of Antenna Input Impedance
Fundamental Limitations on B<sub>v</sub>
The Spherical Helix Antenna
Work of Kwon and Pozar (2005-2009)
Gain and Q for a Crossed-Dipole Chu Antenna
Gain and Q for Dual-Set Chu Antenna (DSCA)
Work of Thal (2006-2009)
Spherical Mode Circuits at the Chu Sphere Surface
Q Value for the TM<sub>1m</sub> and TE<sub>1m</sub> Modes
Self-Resonant Mode Configurations
Thal's Energy Lower Bound on the Mode Coupling Network
Applications of the Energy Lower Bound
Work of Gustafsson (2007)
Limitations on Small Antenna Gain-Bandwidth Product and D/Q Ratio
Applications of the Gustafsson Limits
References
Fundamental Limits and Design Guidelines for Miniaturizing Ultra-Wideband Antennas
Introduction
Overview of Fano-Bode Theory
Fano-Bode Limit for the Band-Pass Response
Fano-Bode Limit for the High-Pass Response
Antenna Miniaturization
Concept
Dipole Antenna Example
Broadband Antenna Miniaturization
Optimal Miniaturization Factor
Loading Profile
Equal LC Loading
Conclusion
References
Overview of Small Antenna Designs
Introduction
Miniaturization via Shaping
Slot Loading
Bending and Folding
Space-Filling Curves
Meander Line Antennas
Fractal Antennas
Volumetric Antennas
Radio Frequency Identification Device Antennas
Small Ultra-Wideband Antennas
Lumped Loading
Miniaturization via Material Loading
Dielectric Materials
Magnetic Materials
Polymer Ceramic Material
Optimization Methods
Introduction
Genetic Algorithm
Particle Swarm Optimization
Antennas on Electromagnetic Bandgap Ground Planes
Performances Enhancement via Surface-Wave Suppression
Low-Profile Antennas on EBG Ground Plane
Wideband EBG Design
References
Antenna Miniaturization via Slow Waves
Introduction
Miniaturization Factor
Basic Antenna Miniaturization Concept
Phase Coherent Radiation Conditions
Equivalent Transmission Line (TL) Model of an Antenna
Artificial Transmission Line (ATL) of Antennas
Antenna Miniaturization Examples
Two-Wire Loop Antenna
Antenna Miniaturization by Increasing Shunt Capacitance
Dielectric Loaded Patch Antenna
Antenna Miniaturization by Increasing ATL Series Inductance
Slotted Patches
Spiral with Coiled Arms
Antenna Miniaturization by Increasing both ATL Series Inductance and Shunt Capacitance
References
Spiral Antenna Miniaturization
Spiral Antenna Fundamentals
Basic Planar Spiral Antenna Geometry
Spiral Radiation
Input Impedance
Radiation Patterns
Radiation Phase Center
Truncation Effect in Finite Spiral Antennas
Spiral Antenna Backed with a PEC Ground Plane
Spiral Antenna Miniaturization Using Slow Wave Treatments
Spiral Miniaturization Using Dielectric Material Loading (Shunt Capacitance)
Spiral Antenna Miniaturization Using Inductive Loading (Series Inductance)
Planar Inductive Loading
Volumetric Inductive Loading
Fabricated Miniature Spiral Antennas
References
Negative Refractive Index Metamaterial and Electromagnetic Band Gap Based Antennas
Introduction
Negative Refractive Index Metamaterials
Propagation in (� < 0,� < 0) Media
Circuit Model of (� < 0, � < 0) Media
Composite Circuit Model for the NRI-TL Medium
Metamaterial Antennas Based on NRI Concepts
Leaky Wave Antennas
Miniature and Multi-band Patch Antennas
Compact and Low-Profile Monopole Antennas
Metamaterial-Inspired Antennas
High-Gain Antennas Utilizing EBG Defect Modes
References
Antenna Miniaturization Using Magnetic Photonic and Degenerate Band Edge Crystals
Introduction
Slow Wave Resonances of MPC and DBE Crystals
High Gain Antennas Embedded Within Finite Thickness MPC and DBE Crystals
Transmission Characteristics of Finite Thickness MPCs
Dipole Performance Within Magnetic Photonic Crystal
Resonance and Amplitude Increase Within DBE Crystals
Dipole Performance Within Degenerate Band Edge Crystal
Practical Degenerate Band Edge Antenna Realizations
Printed Antenna Miniaturization via Coupled Lines Emulating Anisotropy
Antenna Miniaturization Using Degenerate Band Edge Dispersion
Realizing DBE Dispersion via Printed Circuit Emulation of Anisotropy
DBE Antenna Design Using Dual Microstrip Lines
Coupled Double Loop Antennas
Printed MPC Antennas on Biased Ferrite Substrates
Platform/Vehicle Integration of Metamaterial Antennas
References
Impedance Matching for Small Antennas Including Passive and Active Circuits
Introduction
Passive Narrowband Matching
Dipole
Passive Broadband Matching
Broadband Planar Dipole
Inverted Hat Antenna
Negative Matching
Loop Antenna
Flare Dipole
Concluding Comments
References
Antennas for RFID Systems
Historical Background
Basic Operation of RFID Systems
Tag Categories
Passive Radio Frequency Identifications
RFID Microchip
Impedance Matching
RFID Radar Cross Section
Radio Frequency Identification Antennas
Meander-Line Dipoles
Patch Antennas
Fractal Antennas
Planar Antennas
Slot Antennas
RFID Power Harvesting-Rectennas
References
Index