Antennas. Yi Huang

Antennas

rel="nofollow" href="#ulink_8b51e669-ce74-5d1c-94bf-ac5ebc41c826">8.1 Electrically Small Antennas 8.2 Mobile Antennas 8.3 Multiple‐Input Multiple‐Output (MIMO) Antennas 8.4 Multiband and Wideband Antennas 8.5 RFID Antennas 8.6 Reconfigurable Antennas 8.7 Automotive Antennas 8.8 Reflector Antennas 8.9 Chapter Summary References

17 Index

18 End User License Agreement

List of Tables

1 Chapter 1Table 1.1 EM frequency bands and applications Table 1.2 Relative permittivity of some common materials at 100 MHz Table 1.3 Conductivities of some common materials at room temperature Table 1.4 Relative permeabilities of some common materials

2 Chapter 2Table 2.1 Links of normalized impedance, reflection coefficient, return loss,...Table 2.2 Coaxial cable material and velocity Table 2.3 Some commercial coaxial cables and their specifications Table 2.4 Some common substrates for microstrip at 10 GHzTable 2.5 Standard waveguides [7]Table 2.6 Summary of various popular transmission linesTable 2.7 Comparison of the loss of some transmission linesTable 2.8 Some industry standard connectors

3 Chapter 3Table 3.1 Pathloss exponent and standard deviation measured in different buil...Table 3.2 Correspondence of the circuit concepts and the field conceptsTable 3.3 Skin depth and resistance of a gold track of dimensions 7 μm × 16 μ...

4 Chapter 4Table 4.1 Near field and far field conditions

5 Chapter 5Table 5.1 Summary of some dipole characteristicsTable 5.2 Summary of some monopole characteristicsTable 5.3 Duality relationship between System 1 and Systems 2Table 5.4 Optimized elements for Yagi–Uda Antennas (the normalized diameterd/Table 5.5 Optimum design data for log‐periodic antennaTable 5.6 Comparison of the broadside and end‐fire antenna arrays

6 Chapter 6Table 6.1 Comparison of the time‐ and frequency‐domain methodsTable 6.2 Input impedance for the two monopoles at 300 MHz

7 Chapter 7Table 7.1 Galvanic metals tableTable 7.2 Comparison of measurement methods for antenna efficiency measuremen...Table 7.3 TRP vs sampling grid resolution

8 Chapter 8Table 8.1 Equations relating bandwidth,Q‐factor, and impedance matchingTable 8.2 Cellular Radio Frequency Bands and StandardsTable 8.3 Relative permittivity and conductivity of phantom and skin layersTable 8.4 Intrinsic impedance as a function of frequencyTable 8.5 Typical model parameters for global angle of arrival PDFsTable 8.6 Average efficiencies of dual‐band handsets in free spaceTable 8.7 Average efficiencies of dual‐band handsets in the talk positionTable 8.8 Mean MEG (%) with 15 users (averages in parentheses are in dB)Table 8.9 Standard deviation of MEG (%) with 15 usersTable 8.10 Typical Electrical Specifications of a Mobile Base‐station AntennaTable 8.11 Turn exponent with antenna technologyTable 8.12 RFID frequencies commonly used within the UHF bandTable 8.13 Comparison of switch technologiesTable 8.14 RF/microwave systems and antenna requirementsTable 8.15 An example of shark fin antenna specificationsTable 8.16 Comparison of three radar systems

List of Illustrations

1 Chapter 1Figure 1.1 Heinrich Rudolf Hertz Figure 1.2 1887 experimental setup of Hertz's apparatus Figure 1.3 Guglielmo Marconi.Figure 1.4 A WWII radar.Figure 1.5 A typical radio system Figure 1.6 Complex plane Figure 1.7 Vector A in Cartesian coordinates Figure 1.8 Vector addition and subtraction Figure 1.9 The cross product of vectors A and B Figure 1.10 Cartesian and spherical coordinates Figure 1.11 Frequency vs wavelength Figure 1.12 Magnetic field generated by current I Figure 1.13 James Clerk Maxwell Figure 1.14 Boundary between Medium 1 and Medium 2 Figure 1.15 Electromagnetic field distribution around a two‐wire transmissio...

2 Chapter 2Figure 2.1 A simple electrical circuit with a source and load Figure 2.2 A two‐wire transmission line model Figure 2.3 Schematic representation of the elementary component of a transmi...Figure 2.4 Forward and reverse traveling waves Figure 2.5 A transmission line terminated with a load Figure 2.6 Input impedance as a function of the transmission line length for...Figure 2.7 The input impedance along a low‐loss transmission line for Z_L = 7...Figure 2.8 Return loss as a function of the line length Figure 2.9 Standing waves of the voltage and current on a transmission line...Figure 2.10 The standard Smith Chart Figure 2.11 The Smith Chart showing the complex reflection coefficient Figure 2.12 The Smith Chart showing the complex impedance Figure 2.13 The impedance on the Smith Chart as the reference away from the ...Figure 2.14 The Y Smith Chart showing the admittance Figure 2.15 Lumped L networks. (a) for R_in

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