Autore	Lim Eng Hock <1974->
Edizione	[1st edition]
Pubbl/distr/stampa	Hoboken, New Jersey : , : John Wiley & Sons, , c2012
Descrizione fisica	1 online resource (246 p.)
Disciplina	621.384/135
Altri autori (Persone)	LeungK. W <1967-> (Kowk Wa)
Collana	Wiley series in microwave and optical engineering Wiley series in microwave and optical engineering
Soggetto topico	Antennas (Electronics) Wireless communication systems - Equipment and supplies
ISBN	1-299-18951-2 1-118-24314-5 1-118-24324-2
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	-- Preface ix -- 1 Compact Multifunctional Antennas in Microwave Wireless Systems 1 -- 1.1 Introduction 1 -- 1.2 Microwave Components in Wireless Systems 6 -- 1.3 Planar and Nonplanar Antennas in Compact Wireless Systems 7 -- 1.3.1 Performance Parameters 8 -- 1.3.2 Planar Antennas 14 -- 1.3.3 Nonplanar Antennas 16 -- 1.4 Multifunctional Antennas and Microwave Circuits 17 -- 1.4.1 Active Antennas 18 -- 1.4.2 Passive Antennas 19 -- 1.5 Miniaturization Techniques for Multifunctional Antennas 19 -- 1.6 Design Processes and Considerations 20 -- 1.7 Design Tools and Software 22 -- 1.8 Overview of the Book 24 -- 2 Multifunctional Passive Integrated Antennas and Components 29 -- 2.1 Development of Passive Integrated Antennas and Components 29 -- 2.2 Antenna Filters 30 -- 2.2.1 Dielectric Resonator Antenna Filter 31 -- 2.2.2 Other DRAFs 46 -- 2.2.3 Microstrip-Based Antenna Filters 50 -- 2.3 Balun Filters 60 -- 2.3.1 Ring Balun Filter 60 -- 2.3.2 Magnetic-Coupled Balun Filter 64 -- 2.3.3 Rectangular Patch Balun Filter 65 -- 2.4 Antenna Package 67 -- 2.4.1 DRA Packaging Cover 70 -- 2.4.2 Other Antenna Packages 78 -- 2.5 Conclusions 80 -- 3 Reconfigurable Antennas 85 -- 3.1 Introduction 85 -- 3.2 Design Considerations and Recent Developments 86 -- 3.3 Frequency-Reconfigurable Antennas 88 -- 3.3.1 Frequency-Reconfigurable Slot-Loaded Microstrip Patch Antenna 91 -- 3.3.2 Frequency-Reconfigurable E-Shaped Patch Antenna 93 -- 3.4 Pattern-Reconfigurable Antennas 98 -- 3.4.1 Pattern-Reconfigurable Fractal Patch Antenna 103 -- 3.4.2 Pattern-Reconfigurable Leaky-Wave Antenna 105 -- 3.5 Multi-Reconfigurable Antennas 109 -- 3.6 Conclusions 112 -- 4 Receiving Amplifying Antennas 117 -- 4.1 Introduction 117 -- 4.2 Design Criteria and Considerations 118 -- 4.3 Wearable Low-Noise Amplifying Antenna 118 -- 4.4 Active Broadband Low-Noise Amplifying Antenna 128 -- 4.5 Conclusions 139 -- 5 Oscillating Antennas 145 -- 5.1 Introduction 145 -- 5.2 Design Methods for Microwave Oscillators 145 -- 5.2.1 Design Using S Parameters 146. 5.2.2 Design Using a Network Model 147 -- 5.2.3 Specifications of Microwave Oscillators 147 -- 5.3 Recent Developments and Issues of Antenna Oscillators 149 -- 5.4 Reflection-Amplifier Antenna Oscillators 152 -- 5.4.1 Rectangular DRAO 152 -- 5.4.2 Hollow DRAO 158 -- 5.4.3 Differential Planar Antenna Oscillator 161 -- 5.5 Coupled-Load Antenna Oscillators 167 -- 5.5.1 Coupled-Load Microstrip Patch Oscillator 167 -- 5.5.2 Patch Antenna Oscillator with Feedback Loop 171 -- 5.6 Conclusions 180 -- 6 Solar-Cell-Integrated Antennas 185 -- 6.1 Integration of Antennas with Solar Cells 185 -- 6.2 Nonplanar Solar-Cell-Integrated Antennas 188 -- 6.2.1 Solar-Cell-Integrated Hemispherical DRA 189 -- 6.2.2 Solar-Cell-Integrated Rectangular DRA 201 -- 6.3 Planar Solar-Cell-Integrated Antennas 204 -- 6.3.1 Solar-Cell-Integrated U-Shaped SPA 208 -- 6.3.2 Solar-Cell-Integrated V-Shaped SPA 219 -- 6.4 Conclusions 223 -- References 224 -- Index 227.
Record Nr.	UNINA-9910809776603321

Autore	Rohde Ulrich L
Pubbl/distr/stampa	Hoboken, NJ, : J. Wiley, 2005
Descrizione fisica	1 online resource (561 p.)
Disciplina	621.381/323
Altri autori (Persone)	PoddarAjay Kumar <1967-> BöckGeorg <1951->
Soggetto topico	Oscillators, Microwave Wireless communication systems - Equipment and supplies
ISBN	1-280-27577-4 9786610275779 0-470-36228-6 0-471-72717-2 0-471-72716-4
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	THE DESIGN OF MODERN MICROWAVE OSCILLATORS FOR WIRELESS APPLICATIONS; CONTENTS; Foreword; Preface; Biographies; 1 Introduction; 1.1 Organization; 2 General Comments on Oscillators; 2.1 Sinusoidal Oscillators; 2.2 Phase Noise Effects; 2.3 Specifications of Oscillators and VCOs; 2.4 History of Microwave Oscillators; 2.5 Three Approaches to Designing Microwave Oscillators; 2.6 Colpitts Oscillator, Grounded Base Oscillator, and Meissen Oscillator; 2.7 Three-Reactance Oscillators Using Y-Parameters: An Introduction; 2.8 Voltage-Controlled Oscillators (VCOs); 3 Transistor Models; 3.1 Introduction 3.2 Bipolar Transistors3.3 Field-Effect Transistors (FETs); 3.4 Tuning Diodes; 4 Large-Signal S-Parameters; 4.1 Definition; 4.2 Large-Signal S-Parameter Measurements; 5 Resonator Choices; 5.1 LC Resonators; 5.2 Microstrip Resonators; 5.3 Ceramic Resonators; 5.4 Dielectric Resonators; 5.5 YIG-Based Resonators; 6 General Theory of Oscillators; 6.1 Oscillator Equations; 6.2 Large-Signal Oscillator Design; 7 Noise in Oscillators; 7.1 Linear Approach to the Calculation of Oscillator Phase Noise; 7.2 The Lee and Hajimiri Noise Model 7.3 Nonlinear Approach to the Calculation of Oscillator Phase Noise7.4 Phase Noise Measurements; 7.5 Support Circuits; 8 Calculation and Optimization of Phase Noise in Oscillators; 8.1 Introduction; 8.2 Oscillator Configurations; 8.3 Oscillator Phase Noise Model for the Synthesis Procedure; 8.4 Phase Noise Analysis Based on the Negative Resistance Model; 8.5 Phase Noise Analysis Based on the Feedback Model; 8.6 2400 MHz MOSFET-Based Push-Pull Oscillator; 8.7 Phase Noise, Biasing, and Temperature Effects; 9 Validation Circuits; 9.1 1000 MHz CRO 9.2 4100 MHz Oscillator with Transmission Line Resonators9.3 2000 MHz GaAs FET-Based Oscillator; 9.4 77 GHz SiGe Oscillator; 9.5 900-1800 MHz Half-Butterfly Resonator-Based Oscillator; 10 Systems of Coupled Oscillators; 10.1 Mutually Coupled Oscillators Using the Classical Pendulum Analogy; 10.2 Phase Condition for Mutually Locked (Synchronized) Coupled Oscillators; 10.3 Dynamics of Coupled Oscillators; 10.4 Dynamics of N-Coupled (Synchronized) Oscillators; 10.5 Oscillator Noise; 10.6 Noise Analysis of the Uncoupled Oscillator 10.7 Noise Analysis of Mutually Coupled (Synchronized) Oscillators10.8 Noise Analysis of N-Coupled (Synchronized) Oscillators; 10.9 N-Push Coupled Mode (Synchronized) Oscillators; 10.10 Ultra-Low-Noise Wideband Oscillators; 11 Validation Circuits for Wideband Coupled Resonator VCOs; 11.1 300-1100 MHz Coupled Resonator Oscillator; 11.2 1000-2000/2000-4000 MHz Push-Push Oscillator; 11.3 1500-3000/3000-6000 MHz Dual Coupled Resonator Oscillator; 11.4 1000-2000/2000-4000 MHz Hybrid Tuned VCO; References; Appendix A Design of an Oscillator Using Large-Signal S-Parameters Appendix B Example of a Large-Signal Design Based on Bessel Functions
Record Nr.	UNINA-9910143583003321

Pubbl/distr/stampa	Piscataway, NJ, : IEEE Service Center, ©1998-
Disciplina	621.3
Soggetto topico	Integrated circuits - Design and construction Very high speed integrated circuits Radio circuits - Design and construction Wireless communication systems - Equipment and supplies
Soggetto genere / forma	Conference papers and proceedings.
ISSN	2474-9761
Formato	Materiale a stampa
Livello bibliografico	Periodico
Lingua di pubblicazione	eng
Altri titoli varianti	Silicon monolithic integrated circuits in RF systems Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems IEEE Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems Digest
Record Nr.	UNINA-9910626128603321

Autore	Petosa Aldo
Pubbl/distr/stampa	Norwood : , : Artech House, , 2013
Descrizione fisica	1 online resource (353 p.)
Disciplina	621.3824
Collana	The Artech House antennas and propagation series
Soggetto topico	Antennas (Electronics) Wireless communication systems Wireless communication systems - Equipment and supplies
Soggetto genere / forma	Electronic books.
ISBN	1-60807-769-1
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	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 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 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 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 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 8.1. PIN-DIODE CONTROL
Record Nr.	UNINA-9910465167703321

Autore	Aragón-Zavala Alejandro
Pubbl/distr/stampa	Chichester, U.K. : , : Wiley, , 2008
Descrizione fisica	1 online resource (257 p.)
Disciplina	621.384
Altri autori (Persone)	Cuevas-RuizJosé Luis Delgado-PenínJosé Antonio
Soggetto topico	High altitude platform systems (Telecommunication) Antennas (Electronics) Wireless communication systems - Equipment and supplies Artificial satellites in telecommunication
ISBN	1-281-84134-X 9786611841348 0-470-99743-5 0-470-99742-7
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Preface. -- 1 Introduction. -- 1.1 What is a HAPS? -- 1.2 Structure of the Book. -- 2 Overview on HAPS. -- 2.1 HAPS System Concepts. -- 2.2 Radio Regulations for HAPS. -- 2.3 Applications and Services. -- 2.4 HAPS Networks. -- 2.5 Terrestrial, Satellite and Stratospheric Communication Systems: A Comparison. -- 2.6 Survey of the Evolution and State-of-the-Art of HAPS in the World. -- 3 Propagation and Channel Modelling. -- 3.1 Introduction. -- 3.2 An Overview of Propagation Phenomena. -- 3.3 Channel Modelling. -- 3.4 Fading Mitigation Techniques. -- 3.5 Conclusions. -- 4 Antennas for HAPS. -- 4.1 Introduction. -- 4.2 Antenna Requirements. -- 4.3 Antenna Types for High-Altitude Platforms. -- 4.4 Antenna Design Recommendations at Operating Frequencies Allocated to HAPS. -- 4.5 Steering Mechanisms. -- 4.6 Beamforming. -- 4.7 Challenges. -- 5 Communication Systems Based on HAPS. -- 5.1 Components of HAPS Communication Systems. -- 5.2 Spectrum Allocation for HAPS. -- 5.3 HAPS Link Budget. -- 5.4 Conclusions. -- 6 HAPS Networks. -- 6.1 Introduction. -- 6.2 Network Topologies. -- 6.3 Network Architectures for Service Candidates. -- 6.4 Interworking Requirements. -- 6.5 HAPS Networks for Other Applications. -- 6.6 Free Space Optical Links in HAPS. -- 6.7 Resource Management. -- 6.8 HAPS as Part of Integrated Communication Networks. -- 7 The Future. -- 7.1 Introduction. -- 7.2 Challenges and Opportunities for Civil UAS. -- 7.3 Applications for Civil UAS. -- 7.4 Requirements for the Future of the Civil UAS. -- 7.5 Technological Trends. -- 7.6 Technological Challenges for HAPS Applied to Wireless Communications. -- 7.7 Conclusions. -- References. -- Glossary. -- Index.
Record Nr.	UNINA-9910144238003321