Antenna Design for Mobile Devices
ISBN: 9780470824467 | 0470824468
Edition: 1stFormat: Hardcover
Publisher: Wiley-IEEE Press
Pub. Date: 5/24/2011
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Gives engineers of all levels quick access to mobile antenna design expertise normally requiring months of on-the-job training In Antenna Design for Mobile Devices, Zhang provides a comprehensive discussion on the state-of-the-art technologies of antenna design for mobile communications devices, as well as a quick tutorial for engineers that want to get started with designing simple antennas. #xB7;#xA0;#xA0;#xA0;#xA0;#xA0;#xA0;#xA0;#xA0;#xA0; A one-stop design reference containing all an engineer needs when designing antennas #xB7;#xA0;#xA0;#xA... MORE
| Preface | p. xi |
| Acknowledgments | p. xiii |
| About the Author | p. xv |
| Abbreviations | p. xvii |
| Introduction | p. 1 |
| The Evolution of Mobile Antennas | p. 3 |
| How to Quantitatively Evaluate an Antenna | p. 8 |
| The Limits of Antenna Designs | p. 11 |
| The Trade-Offs in Antenna Designs | p. 13 |
| Mobile Communication and Band Allocations | ... MORE |
| References | p. 17 |
| Antenna Matching | p. 19 |
| The Smith Chart | p. 20 |
| Single Band Matching | p. 23 |
| Matching with Lumped Elements | p. 25 |
| Different Ways to Accomplish a Single Band Matching | p. 28 |
| Matching with Both Transmission Line and Lumped Elements | p. 31 |
| Bandwidth Consideration | p. 35 |
| Dual Band Matching | p. 43 |
| Reconfigurable Matching | p. 48 |
| Reconfigurable Matching - Varactor-Based | p. 49 |
| Reconfigurable Matching - Switch-Based | p. 52 |
| References | p. 57 |
| External Antenna | p. 59 |
| Stubby Antennas | p. 61 |
| Single Band Helix Stubby Antenna | p. 61 |
| Multi-Band Helix Stubby Antenna | p. 81 |
| Ultra-Wide Band Stubby Antenna | p. 105 |
| Whip-Stubby (Retractable) Antenna | p. 115 |
| Decoupled Whip-Stubby Antenna | p. 117 |
| Semi-Decoupled Whip-Stubby Antenna | p. 119 |
| Meander Line Stubby Antenna | p. 125 |
| Effect of Ground Plane | p. 129 |
| References | p. 136 |
| Internal Antenna | p. 139 |
| Inverted-F Antenna (IFA) | p. 141 |
| Planar Inverted-F Antenna (PIFA) | p. 147 |
| Single Band PIFA | p. 147 |
| Multi-Band PIFA Antenna with Slits | p. 150 |
| Multi-Band PIFA with Separate Branches | p. 159 |
| Multi-Band PIFA with Parasitic Element | p. 160 |
| Manufacturing PIFA Antenna | p. 161 |
| Folded Monopole Antenna | p. 165 |
| Loop Antenna | p. 170 |
| Ceramic Antenna | p. 175 |
| Monopole-Type Ceramic Antenna | p. 176 |
| IFA-Type Ceramic Antenna | p. 180 |
| Loop-Type Ceramic Antenna | p. 181 |
| Multi-Port Internal Antenna Module | p. 182 |
| References | p. 187 |
| Antenna Measurement | p. 189 |
| Passive Antenna Measurement | p. 189 |
| Measurement on a Vector Network Analyzer | p. 189 |
| Fixture | p. 195 |
| Passive Chamber Measurement | p. 207 |
| Active Antenna (OTA) Measurement | p. 215 |
| EIRP, ERP, and TRP | p. 216 |
| EIS and TIS | p. 220 |
| Sensitivity Degradation Due to Interference | p. 223 |
| Antenna Measurements in the Production Line | p. 226 |
| References | p. 236 |
| Regulations Related to Antenna Engineers | p. 239 |
| Specific Absorption Rate (SAR) | p. 239 |
| Definition and Measurement Method of SAR | p. 240 |
| SAR Limits in the United States and Europe | p. 247 |
| Controlling SAR | p. 249 |
| Hearing Aid Compatibility (HAC) | p. 259 |
| HAC Measurement | p. 260 |
| HAC Specification in the United States | p. 263 |
| Electromagnetic Compatibility (EMC) | p. 268 |
| References | p. 269 |
| Appendix: User Manual for ZJ_Antenna_Matching Software | p. 271 |
| Index | p. 279 |
| Table of Contents provided by Ingram. All Rights Reserved. |
Zhijun Zhang is a Professor of Electronic Engineering at Tsinghua University in Beijing, China. He holds rich industry experience, with senior positions as an antenna development engineer at Amphenol T&M Antennas, Nokia, and Apple, giving him a perspective of design practices at a number different players in the mobile segment. Prior to Tsinghua, his academic career included a postdoctoral fellowship and research professorship at the University of Utah, and a position as Assistant Researcher at the University of Hawaii, where he continues to serve as Adjunct Professor. Zhang earned a B.S. in Microwave Engineering and an M.S. in Applied Physics at the University of Electronic Science and Technology of China, Chengdu. He holds a PhD in Electronic Engineering from Tsinghua University.
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