Antennas for Global Navigation Satellite Systems
(Sprache: Englisch)
Designed to educate the reader on the most important aspects of GNSS antenna technology, this book covers the theory and design of antennas suitable for a Global Navigation Satellite System (GNSS).
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Designed to educate the reader on the most important aspects of GNSS antenna technology, this book covers the theory and design of antennas suitable for a Global Navigation Satellite System (GNSS).
Klappentext zu „Antennas for Global Navigation Satellite Systems “
This book addresses the fundamentals and practical implementations of antennas for Global Navigation Satellite Systems (GNSS)In this book, the authors discuss the various aspects of GNSS antennas, including fundamentals of GNSS, design approaches for the GNSS terminal and satellite antennas, performance enhancement techniques and effects of user's presence and surrounding environment on these antennas. In addition, the book will provide the reader with an insight into the most important aspects of the GNSS antenna technology and lay the foundations for future advancements. It also includes a number of real case studies describing the ways in which antenna design can be adapted to conform to the design constraints of practical user devices, and also the management of potential adverse interactions between the antenna and its platform.
Key Features:
* Covers the fundamentals and practical implementations of antennas for Global Navigation Satellite Systems (GNSS)
* Describes technological advancements for GPS, Glonass, Galileo and Compass
* Aims to address future issues such as multipath interference, in building operation, RF interference in mobile
* Includes a number of real case studies to illustrate practical implementation of GNSS
This book will be an invaluable guide for antenna designers, system engineers, researchers for GNSS systems and postgraduate students (antennas, satellite communication technology). R&D engineers in mobile handset manufacturers, spectrum engineers will also find this book of interest.
Inhaltsverzeichnis zu „Antennas for Global Navigation Satellite Systems “
Preface ix1 Fundamentals of GNSS 1
1.1 History of GNSS 1
1.2 Basic Principles of GNSS 2
1.2.1 Time-Based Radio Navigation 2
1.2.2 A 3D Time-Based Navigation System 5
1.3 Operation of GPS 8
1.4 Applications Including Differential GPS 15
References 18
2 Fundamental Considerations for GNSS Antennas 21
2.1 GNSS Radio Wave Propagation 21
2.1.1 Plane Waves and Polarisation 21
2.1.2 GNSS Radio Wave Propagation and Effects 23
2.1.3 Why CP Waves in GNSS? 26
2.2 Antenna Design Fundamentals 26
2.2.1 Antenna Fundamental Parameters 26
2.2.2 LP Antenna Design and Example 29
2.3 CP Antenna Design 31
2.3.1 CP Antenna Fundamentals and Types 31
2.3.2 Simple CP Antenna Design Example 35
2.3.3 Technical Challenges in Designing GNSS Antennas 36
References 40
3 Satellite GNSS Antennas 41
3.1 Navigation Antenna Requirements 41
3.2 Types of Antenna Deployed 41
3.3 Special Considerations for Spacecraft Antenna Design 50
3.3.1 Passive Intermodulation Effects 50
3.3.2 Multipactor Effects 52
References 52
4 Terminal GNSS Antennas 55
4.1 Microstrip Antenna for Terminal GNSS Application 55
4.1.1 Single-Feed Microstrip GNSS Antennas 55
4.1.2 Dual-Feed Microstrip GNSS Antennas 60
4.1.3 Design with Ceramic Substrate 64
4.2 Spiral and Helix GNSS Antennas 66
4.2.1 Helix Antennas 66
4.2.2 Spiral Antennas 71
4.3 Design of a PIFA for a GNSS Terminal Antenna 73
References 79
5 Multimode and Advanced Terminal Antennas 81
5.1 Multiband Terminal Antennas 81
5.1.1 Multiband Microstrip GNSS Antennas 82
5.1.2 Multiband Helix Antennas for GNSS 88
5.2 Wideband CP Terminal Antennas 95
5.2.1 Wideband Microstrip Antenna Array
... mehr
95
5.2.2 High-Performance Universal GNSS Antenna Based on Spiral Mode Microstrip Antenna Technology 96
5.2.3 Wideband CP Hybrid Dielectric Resonator Antenna 96
5.2.4 Multi-Feed Microstrip Patch Antenna for Multimode GNSS 98
5.3 High-Precision GNSS Terminal Antennas 102
References 109
6 Terminal Antennas in Difficult Environments 111
6.1 GNSS Antennas and Multipath Environment 111
6.2 Statistical Modelling of Multipath Environment for GNSS Operation 113
6.2.1 GPS Mean Effective Gain (MEGGPS) 114
6.2.2 GPS Angle of Arrival Distribution (AoAGPS) 116
6.2.3 GPS Coverage Efficiency (·c) 117
6.3 Open Field Test Procedure 119
6.3.1 Measurement of GPS Mean Effective Gain 119
6.3.2 Measurement of GPS Coverage Efficiency 120
6.3.3 Measurement Set-Up 120
6.4 Performance Assessment of GNSS Mobile Terminal Antennas in Multipath Environment 121
6.4.1 Design of Tested GPS Antennas 122
6.4.2 Comparison Based on Simulated and Measured 3D
Radiation Patterns 127
6.4.3 Comparison Based on Measured 3D Radiation Patterns and Actual Field Tests 129
6.5 Performance Dependence on GNSS Antenna Orientation 133
6.6 Performance Enhancement of GNSS Mobile Terminal Antennas in Difficult Environments 139
6.6.1 Assisted GPS 140
6.6.2 GPS Signal Reradiation 140
6.6.3 Beamforming 141
6.6.4 Diversity Antennas 141
References 147
7 Human User Effects on GNSS Antennas 149
7.1 Interaction of Human Body and GNSS Antennas 149
7.2 Effects of Human Body
5.2.2 High-Performance Universal GNSS Antenna Based on Spiral Mode Microstrip Antenna Technology 96
5.2.3 Wideband CP Hybrid Dielectric Resonator Antenna 96
5.2.4 Multi-Feed Microstrip Patch Antenna for Multimode GNSS 98
5.3 High-Precision GNSS Terminal Antennas 102
References 109
6 Terminal Antennas in Difficult Environments 111
6.1 GNSS Antennas and Multipath Environment 111
6.2 Statistical Modelling of Multipath Environment for GNSS Operation 113
6.2.1 GPS Mean Effective Gain (MEGGPS) 114
6.2.2 GPS Angle of Arrival Distribution (AoAGPS) 116
6.2.3 GPS Coverage Efficiency (·c) 117
6.3 Open Field Test Procedure 119
6.3.1 Measurement of GPS Mean Effective Gain 119
6.3.2 Measurement of GPS Coverage Efficiency 120
6.3.3 Measurement Set-Up 120
6.4 Performance Assessment of GNSS Mobile Terminal Antennas in Multipath Environment 121
6.4.1 Design of Tested GPS Antennas 122
6.4.2 Comparison Based on Simulated and Measured 3D
Radiation Patterns 127
6.4.3 Comparison Based on Measured 3D Radiation Patterns and Actual Field Tests 129
6.5 Performance Dependence on GNSS Antenna Orientation 133
6.6 Performance Enhancement of GNSS Mobile Terminal Antennas in Difficult Environments 139
6.6.1 Assisted GPS 140
6.6.2 GPS Signal Reradiation 140
6.6.3 Beamforming 141
6.6.4 Diversity Antennas 141
References 147
7 Human User Effects on GNSS Antennas 149
7.1 Interaction of Human Body and GNSS Antennas 149
7.2 Effects of Human Body
... weniger
Bibliographische Angaben
- Autoren: Xiao-Dong Chen , Clive G. Parini , Brian Collins , Yuan Yao , Masood Ur Rehman
- 2012, 2. Aufl., 232 Seiten, mit Abbildungen, Maße: 15,7 x 23,8 cm, Gebunden, Englisch
- Verlag: Wiley & Sons
- ISBN-10: 1119993679
- ISBN-13: 9781119993674
- Erscheinungsdatum: 11.04.2012
Sprache:
Englisch
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