Frequency-Agile Antennas for Wireless Communications.

Mobile data subscriptions are expected to more than double and mobile wireless traffic to increase by more than tenfold over the next few years. Proliferation of smart phones, tablets, and other portable devices are placing greater demands for services such as web browsing, global positioning, video...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Petosa, Aldo
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Norwood : Artech House, 2013.
Colección:Artech House antennas and propagation library.
Temas:
Antennas (Electronics)
Wireless communication systems.
Wireless communication systems > Equipment and supplies.
Antennes (Électronique)
Transmission sans fil.
Wireless communication systems
Wireless communication systems > Equipment and supplies
Acceso en línea:Texto completo

MARC

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245 1 0 |a Frequency-Agile Antennas for Wireless Communications. 
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490 1 |a The Artech House antennas and propagation series 
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520 |a Mobile data subscriptions are expected to more than double and mobile wireless traffic to increase by more than tenfold over the next few years. Proliferation of smart phones, tablets, and other portable devices are placing greater demands for services such as web browsing, global positioning, video streaming, and video telephony. Many of the proposed solutions to deal with these demands will have a significant impact on antenna designs. Antennas with frequency agility are considered a promising technology to help implement these new solutions. This book provides readers with a sense of the cap. 
505 0 |a Frequency-Agile Antennas for Wireless Communications; Contents; Preface; Acknowledgments; Chapter 1 Introduction; 1.1 DEFINITION OF FAAs; 1.2 OUTLINE; References; Chapter 2 Characterizing FAAs; 2.1 GENERAL ANTENNA PARAMETERS; 2.1.1 Radiation Pattern; 2.1.2 Directivity; 2.1.3 Gain and Radiation Efficiency; 2.1.4 Polarization; 2.1.5 Bandwidth; 2.2 FAA-SPECIFIC PARAMETERS; 2.2.1 Tuning Mode; 2.2.2 Parameters Related to Tuning Frequency; 2.2.3 Tuning Efficiency; 2.2.4 Characterizing the Tuning Method; 2.3 FAA CLASSIFICATION; Chapter 3 Antenna Elements; 3.1 WIRE DIPOLES; 3.2 MONOPOLE ANTENNAS 
505 8 |a 3.3 PRINTED DIPOLES3.4 MICROSTRIP ANTENNAS; 3.4.1 Rectangular Microstrip Patch Antenna; 3.4.2 Microstrip Dipoles; 3.4.3 Circular Microstrip Patch Antennas; 3.4.4 Annular Microstrip Patch Antennas; 3.5 SLOT ANTENNAS; 3.5.1 Rectangular Slot Antennas; 3.5.2 Annular Slot Antennas; 3.6 IFAs; 3.7 PIFAs; 3.8 DRAs; 3.8.1 Cylindrical DRAs; 3.8.2 Rectangular DRAs; 3.9 HELICAL ANTENNAS; References; Chapter 4 Frequency Tuning Techniques; 4.1 CHANGING PHYSICAL DIMENSIONS; 4.1.1 Electromechanical Actuators; 4.1.2 Piezoelectric Actuators; 4.1.3 Hydraulic and Pneumatic Actuators; 4.1.4 Microactuators 
505 8 |a 4.1.5 Inherently Deformable Antennas4.2 CHANGING SUBSTRATE PARAMETERS; 4.2.1 Ferrites; 4.2.2 Ferroelectrics; 4.2.3 Liquid Crystals; 4.2.4 Bulk Semiconductors; 4.3 ELECTRONIC SWITCHES AND TUNABLE DEVICES; 4.3.1 PIN Diodes; 4.3.2 MEMS Switches; 4.3.3 FET Switches; 4.3.5 Varactors; 4.3.6 Summary; References; Chapter 5 FAAs Based on Mechanical Tuning Techniques; 5.1 MICROSTRIP PATCH ANTENNAS; 5.1.1 Stacked Patches; 5.1.2 Electrostatic Actuation; 5.1.3 Magnetostatic Actuation; 5.1.4 Pneumatic Actuation; 5.1.5 Rotating Stacked Patches; 5.2 QUADRIFILAR HELIX 
505 8 |a 5.3 SLOT DIPOLE WITH PIEZOELECTRIC TRANSDUCER5.4 PIFAs; 5.5 LIQUID-BASED DRAs; 5.6 SUMMARY; References; Chapter 6 FAAs Using Tunable Substrates; 6.1 FAAs DESIGNED USING FERRITES; 6.1.1 Microstrip Patch Antennas; 6.1.2 Ferrite-Filled Cavity-Backed Slot Antenna; 6.1.3 Ferrite Resonator Antenna; 6.2 FAAS DESIGNED USING FERROELECTRICS; 6.3 LIQUID CRYSTAL-BASED FAAS; 6.4 BULK SEMICONDUCTOR-BASED FAAS; 6.5 THIN-FILM SEMICONDUCTOR-BASED FAAS; 6.6 SUMMARY; References; Chapter 7 FAAs With Integrated Devices and Continuous Tuning; 7.1 DIODE-LOADED FAAs 
505 8 |a 7.1.1 Microstrip Patch Antenna Loaded With a Schottky Diode7.1.2 Slot Antenna Loaded With a Photodetector Diode; 7.2 TRANSISTOR-LOADED FAAs; 7.3 MEMS-LOADED FAAs; 7.3.1 CPW-Fed Rectangular Ring Slot Antenna; 7.3.2 CPW-Fed Rectangular Microstrip Patch Antenna; 7.4 VARACTOR-LOADED FAAs; 7.4.1 Loop Antennas; 7.4.2 Printed Monopole Antennas; 7.4.3 Dipole Antennas; 7.4.4 Compact Helical Antennas; 7.4.5 IFAs; 7.4.6 PIFAs; 7.4.7 Slot Antennas; 7.4.8 DRAs; 7.4.9 Microstrip Patch Antennas; 7.5 SUMMARY; References; Appendix A; Chapter 8 FAAs With Integrated Devices and Discrete Tuning 
590 |a ProQuest Ebook Central  |b Ebook Central Academic Complete 
650 0 |a Antennas (Electronics) 
650 0 |a Wireless communication systems. 
650 0 |a Wireless communication systems  |x Equipment and supplies. 
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650 6 |a Transmission sans fil. 
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650 7 |a Wireless communication systems  |2 fast 
650 7 |a Wireless communication systems  |x Equipment and supplies  |2 fast 
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830 0 |a Artech House antennas and propagation library. 
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