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E-raamat: Compact Multifunctional Antennas for Wireless Systems

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Lim (University Tunky Abdul Rahman, Malaysia) and Leung (City U. of Hong Kong) describe new components being developed for multifunctional passive integrated antennas and demonstrate how antennas can be made reconfigurable by integrating switches into the radiation aperture. A co-design process optimizes the performance of a passive low-noise amplifying antenna mounted on a human head and configures the input impedance of an active broadband low-noise amplifying antenna. The last chapter surveys recent efforts to integrate solar cells with an antenna as a power source. B&w photographs are provided. Annotation ©2012 Book News, Inc., Portland, OR (booknews.com)

Offers an up-to-date description of modern multifunctional antenna systems and microwave components

Compact multifunctional antennas are of great interest in the field of antennas and wireless communication systems, but there are few, if any, books available that fully explore the multifunctional concept. Divided into six chapters, Compact Multifunctional Antennas for Wireless Systems encompasses both the active and passive multifunctional antennas and components for microwave systems. It provides a systematic, valuable reference for antenna/microwave researchers and designers.

Beginning with such novel passive components as antenna filters, antenna packaging covers, and balun filters, the book discusses various miniaturization techniques for the multifunctional antenna systems. In addition to amplifying and oscillating antennas, the book also covers design considerations for frequency- and pattern-reconfigurable antennas. The last chapter is dedicated to the field of solar cell integrated antennas.

Inside, readers will find comprehensive chapters on:

  • Compact Multifunctional Antennas in Microwave Wireless Systems

  • Multifunctional Passive Integrated Antennas and Components

  • Reconfigurable Antennas

  • Receiving Amplifying Antennas

  • Oscillating Antennas

  • Solar cell integrated Antennas

Aimed at professional engineers and researchers designing compact antennas for wireless applications, Compact Multifunctional Antennas for Wireless Systems will prove to be an invaluable tool.

Preface ix
1 Compact Multifunctional Antennas in Microwave Wireless Systems
1(28)
1.1 Introduction
1(5)
1.2 Microwave Components in Wireless Systems
6(1)
1.3 Planar and Nonplanar Antennas in Compact Wireless Systems
7(10)
1.3.1 Performance Parameters
8(6)
1.3.2 Planar Antennas
14(2)
1.3.3 Nonplanar Antennas
16(1)
1.4 Multifunctional Antennas and Microwave Circuits
17(2)
1.4.1 Active Antennas
18(1)
1.4.2 Passive Antennas
19(1)
1.5 Miniaturization Techniques for Multifunctional Antennas
19(1)
1.6 Design Processes and Considerations
20(2)
1.7 Design Tools and Software
22(2)
1.8 Overview of the Book
24(5)
References
25(4)
2 Multifunctional Passive Integrated Antennas and Components
29(56)
2.1 Development of Passive Integrated Antennas and Components
29(1)
2.2 Antenna Filters
30(30)
2.2.1 Dielectric Resonator Antenna Filter
31(15)
2.2.2 Other DRAFs
46(4)
2.2.3 Microstrip-Based Antenna Filters
50(10)
2.3 Balun Filters
60(7)
2.3.1 Ring Balun Filter
60(4)
2.3.2 Magnetic-Coupled Balun Filter
64(1)
2.3.3 Rectangular Patch Balun Filter
65(2)
2.4 Antenna Package
67(13)
2.4.1 DRA Packaging Cover
70(8)
2.4.2 Other Antenna Packages
78(2)
2.5 Conclusions
80(5)
References
80(5)
3 Reconfigurable Antennas
85(32)
3.1 Introduction
85(1)
3.2 Design Considerations and Recent Developments
86(2)
3.3 Frequency-Reconfigurable Antennas
88(10)
3.3.1 Frequency-Reconfigurable Slot-Loaded Microstrip Patch Antenna
91(2)
3.3.2 Frequency-Reconfigurable E-Shaped Patch Antenna
93(5)
3.4 Pattern-Reconfigurable Antennas
98(11)
3.4.1 Pattern-Reconfigurable Fractal Patch Antenna
103(2)
3.4.2 Pattern-Reconfigurable Leaky-Wave Antenna
105(4)
3.5 Multi-Reconfigurable Antennas
109(3)
3.6 Conclusions
112(5)
References
115(2)
4 Receiving Amplifying Antennas
117(28)
4.1 Introduction
117(1)
4.2 Design Criteria and Considerations
118(1)
4.3 Wearable Low-Noise Amplifying Antenna
118(10)
4.4 Active Broadband Low-Noise Amplifying Antenna
128(11)
4.5 Conclusions
139(6)
References
142(3)
5 Oscillating Antennas
145(40)
5.1 Introduction
145(1)
5.2 Design Methods for Microwave Oscillators
145(4)
5.2.1 Design Using S Parameters
146(1)
5.2.2 Design Using a Network Model
147(1)
5.2.3 Specifications of Microwave Oscillators
147(2)
5.3 Recent Developments and Issues of Antenna Oscillators
149(3)
5.4 Reflection-Amplifier Antenna Oscillators
152(15)
5.4.1 Rectangular DRAO
152(6)
5.4.2 Hollow DRAO
158(3)
5.4.3 Differential Planar Antenna Oscillator
161(6)
5.5 Coupled-Load Antenna Oscillators
167(13)
5.5.1 Coupled-Load Microstrip Patch Oscillator
167(4)
5.5.2 Patch Antenna Oscillator with Feedback Loop
171(9)
5.6 Conclusions
180(5)
References
181(4)
6 Solar-Cell-Integrated Antennas
185(42)
6.1 Integration of Antennas with Solar Cells
185(3)
6.2 Nonplanar Solar-Cell-Integrated Antennas
188(16)
6.2.1 Solar-Cell-Integrated Hemispherical DRA
189(12)
6.2.2 Solar-Cell-Integrated Rectangular DRA
201(3)
6.3 Planar Solar-Cell-Integrated Antennas
204(19)
6.3.1 Solar-Cell-Integrated U-Shaped SPA
208(11)
6.3.2 Solar-Cell-Integrated V-Shaped SPA
219(4)
6.4 Conclusions
223(4)
References
224(3)
Index 227
Eng Hock Lim, PhD, is currently an Assistant Professor in the Department of Electrical and Electronic Engineering at the Universiti Tunku Abdul Rahman.

Kwok Wa Leung, PhD, is a professor in the Department of Electronic Engineering at the City University of Hong Kong.
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