Antenna Design for Mobile Devices
1. Auflage
Erschienen am 13. Juni 2017
320 Seiten
978-1-119-13235-6 (ISBN)
Beschreibung
Expanded and updated, this practical guide is a one-stop design reference containing all an engineer needs when designing antennas
- Integrates state-of-the-art technologies with a special section for step-by-step antenna design
- Features up-to-date bio-safety and electromagnetic compatibility regulation compliance and latest standards
- Newly updated with MIMO antenna design, measurements and requirements
- Accessible to readers of many levels, from introductory to specialist
- Written by a practicing expert who has hired and trained numerous engineers
Zhijun Zhang, Professor, Tsinghua University, 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 of 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.
Weitere Details
Weitere Ausgaben
Inhalt
1 - Title Page [Seite 5]
2 - Copyright Page [Seite 6]
3 - Contents [Seite 9]
4 - About the Author [Seite 12]
5 - Preface [Seite 13]
6 - Acknowledgments [Seite 14]
7 - Abbreviations [Seite 15]
8 - Chapter 1 Introduction [Seite 17]
8.1 - 1.1 The Evolution of Mobile Antennas [Seite 18]
8.2 - 1.2 How to Quantitatively Evaluate an Antenna [Seite 26]
8.3 - 1.3 The Limits of Antenna Designs [Seite 28]
8.4 - 1.4 The Trade-Offs in Antenna Designs [Seite 30]
8.5 - 1.5 Mobile Communication and Band Allocations [Seite 32]
8.6 - 1.6 Quickly Building a Simple Antenna-a Practical Example [Seite 34]
8.7 - References [Seite 43]
9 - Chapter 2 Antenna Matching [Seite 44]
9.1 - 2.1 The Smith Chart [Seite 45]
9.2 - 2.2 Single-Band Matching [Seite 49]
9.2.1 - 2.2.1 Matching with Lumped Elements [Seite 49]
9.2.2 - 2.2.2 Different Ways to Accomplish a Single-Band Matching [Seite 52]
9.2.3 - 2.2.3 Matching with Both Transmission Line and Lumped Elements [Seite 55]
9.2.4 - 2.2.4 Bandwidth Consideration [Seite 58]
9.3 - 2.3 Dual-Band Matching [Seite 66]
9.4 - 2.4 Reconfigurable Matching [Seite 71]
9.4.1 - 2.4.1 Reconfigurable Matching-Varactor-Based [Seite 71]
9.4.2 - 2.4.2 Reconfigurable Matching-Switch-Based [Seite 76]
9.5 - References [Seite 79]
10 - Chapter 3 External Antenna [Seite 81]
10.1 - 3.1 Stubby Antennas [Seite 82]
10.1.1 - 3.1.1 Single-Band Helix Stubby Antenna [Seite 83]
10.1.2 - 3.1.2 Multiband Helix Stubby Antenna [Seite 102]
10.1.3 - 3.1.3 Ultra-Wideband Stubby Antenna [Seite 125]
10.2 - 3.2 Whip-Stubby (Retractable) Antenna [Seite 133]
10.2.1 - 3.2.1 Decoupled Whip-Stubby Antenna [Seite 135]
10.2.2 - 3.2.2 Semi-Decoupled Whip-Stubby Antenna [Seite 137]
10.3 - 3.3 Meander Line Stubby Antenna [Seite 142]
10.4 - 3.4 Effect of Ground Plane [Seite 147]
10.5 - References [Seite 152]
11 - Chapter 4 Internal Antenna [Seite 154]
11.1 - 4.1 Inverted-F Antenna [Seite 157]
11.2 - 4.2 Planar IFA [Seite 162]
11.2.1 - 4.2.1 Single?Band PIFA [Seite 162]
11.2.2 - 4.2.2 Multiband PIFA Antenna with Slits [Seite 165]
11.2.3 - 4.2.3 Multiband PIFA with Separate Branches [Seite 173]
11.2.4 - 4.2.4 Multiband PIFA with Parasitic Element [Seite 174]
11.2.5 - 4.2.5 Manufacturing PIFA Antenna [Seite 175]
11.3 - 4.3 Folded Monopole Antenna [Seite 179]
11.4 - 4.4 Loop Antenna [Seite 183]
11.5 - 4.5 Ceramic Antenna [Seite 188]
11.5.1 - 4.5.1 Monopole-Type Ceramic Antenna [Seite 189]
11.5.2 - 4.5.2 IFA-Type Ceramic Antenna [Seite 192]
11.5.3 - 4.5.3 Loop-Type Ceramic Antenna [Seite 193]
11.6 - 4.6 Slot Antenna [Seite 195]
11.7 - 4.7 Design a Hepta-Band Antenna with Multiple Radiators and Multiple Modes [Seite 201]
11.8 - 4.8 Design a Reconfigurable Hepta?Band Antenna [Seite 207]
11.9 - 4.9 MIMO Antennas [Seite 216]
11.9.1 - 4.9.1 Explaining Capacity Boost Effect Through the Antenna Point of View [Seite 216]
11.9.2 - 4.9.2 Antenna Correlation and Antenna Isolation [Seite 223]
11.9.3 - 4.9.3 Improve Isolation Between Antennas [Seite 225]
11.10 - 4.10 Antennas in Recently Released Phones [Seite 227]
11.10.1 - 4.10.1 Entry-Level Phone [Seite 227]
11.10.2 - 4.10.2 Flagship Phone [Seite 237]
11.11 - References [Seite 242]
12 - Chapter 5 Antenna Measurement [Seite 245]
12.1 - 5.1 Passive Antenna Measurement [Seite 245]
12.1.1 - 5.1.1 Measurement on a Vector Network Analyzer [Seite 245]
12.1.2 - 5.1.2 Fixture [Seite 250]
12.1.3 - 5.1.3 Passive Chamber Measurement [Seite 262]
12.2 - 5.2 Active Antenna (Over the Air) Measurement [Seite 269]
12.2.1 - 5.2.1 EIRP, ERP, and TRP [Seite 269]
12.2.2 - 5.2.2 EIS and TIS [Seite 272]
12.2.3 - 5.2.3 Sensitivity Degradation Due to Interference [Seite 275]
12.3 - 5.3 Antenna Measurements in the Production Line [Seite 278]
12.4 - 5.4 Multiple Input and Multiple Output Antenna Test [Seite 287]
12.5 - References [Seite 291]
13 - Chapter 6 Regulations Related to Antenna Engineers [Seite 292]
13.1 - 6.1 Specific Absorption Rate [Seite 292]
13.1.1 - 6.1.1 Definition and Measurement Method of SAR [Seite 293]
13.1.2 - 6.1.2 SAR Limits in the United States and Europe [Seite 299]
13.1.3 - 6.1.3 Controlling SAR [Seite 301]
13.1.4 - 6.1.4 Updates on SAR requirement [Seite 310]
13.2 - 6.2 Hearing Aid Compatibility [Seite 312]
13.2.1 - 6.2.1 HAC Measurement [Seite 312]
13.2.2 - 6.2.2 HAC Specification in the United States [Seite 315]
13.2.3 - 6.2.3 Updates on HAC Requirement [Seite 319]
13.3 - 6.3 Electromagnetic Compatibility [Seite 320]
13.4 - References [Seite 321]
14 - Appendix: User Manual for ZJ_Antenna_Matching Software [Seite 323]
15 - Index [Seite 330]
16 - EULA [Seite 334]
2 - Copyright Page [Seite 6]
3 - Contents [Seite 9]
4 - About the Author [Seite 12]
5 - Preface [Seite 13]
6 - Acknowledgments [Seite 14]
7 - Abbreviations [Seite 15]
8 - Chapter 1 Introduction [Seite 17]
8.1 - 1.1 The Evolution of Mobile Antennas [Seite 18]
8.2 - 1.2 How to Quantitatively Evaluate an Antenna [Seite 26]
8.3 - 1.3 The Limits of Antenna Designs [Seite 28]
8.4 - 1.4 The Trade-Offs in Antenna Designs [Seite 30]
8.5 - 1.5 Mobile Communication and Band Allocations [Seite 32]
8.6 - 1.6 Quickly Building a Simple Antenna-a Practical Example [Seite 34]
8.7 - References [Seite 43]
9 - Chapter 2 Antenna Matching [Seite 44]
9.1 - 2.1 The Smith Chart [Seite 45]
9.2 - 2.2 Single-Band Matching [Seite 49]
9.2.1 - 2.2.1 Matching with Lumped Elements [Seite 49]
9.2.2 - 2.2.2 Different Ways to Accomplish a Single-Band Matching [Seite 52]
9.2.3 - 2.2.3 Matching with Both Transmission Line and Lumped Elements [Seite 55]
9.2.4 - 2.2.4 Bandwidth Consideration [Seite 58]
9.3 - 2.3 Dual-Band Matching [Seite 66]
9.4 - 2.4 Reconfigurable Matching [Seite 71]
9.4.1 - 2.4.1 Reconfigurable Matching-Varactor-Based [Seite 71]
9.4.2 - 2.4.2 Reconfigurable Matching-Switch-Based [Seite 76]
9.5 - References [Seite 79]
10 - Chapter 3 External Antenna [Seite 81]
10.1 - 3.1 Stubby Antennas [Seite 82]
10.1.1 - 3.1.1 Single-Band Helix Stubby Antenna [Seite 83]
10.1.2 - 3.1.2 Multiband Helix Stubby Antenna [Seite 102]
10.1.3 - 3.1.3 Ultra-Wideband Stubby Antenna [Seite 125]
10.2 - 3.2 Whip-Stubby (Retractable) Antenna [Seite 133]
10.2.1 - 3.2.1 Decoupled Whip-Stubby Antenna [Seite 135]
10.2.2 - 3.2.2 Semi-Decoupled Whip-Stubby Antenna [Seite 137]
10.3 - 3.3 Meander Line Stubby Antenna [Seite 142]
10.4 - 3.4 Effect of Ground Plane [Seite 147]
10.5 - References [Seite 152]
11 - Chapter 4 Internal Antenna [Seite 154]
11.1 - 4.1 Inverted-F Antenna [Seite 157]
11.2 - 4.2 Planar IFA [Seite 162]
11.2.1 - 4.2.1 Single?Band PIFA [Seite 162]
11.2.2 - 4.2.2 Multiband PIFA Antenna with Slits [Seite 165]
11.2.3 - 4.2.3 Multiband PIFA with Separate Branches [Seite 173]
11.2.4 - 4.2.4 Multiband PIFA with Parasitic Element [Seite 174]
11.2.5 - 4.2.5 Manufacturing PIFA Antenna [Seite 175]
11.3 - 4.3 Folded Monopole Antenna [Seite 179]
11.4 - 4.4 Loop Antenna [Seite 183]
11.5 - 4.5 Ceramic Antenna [Seite 188]
11.5.1 - 4.5.1 Monopole-Type Ceramic Antenna [Seite 189]
11.5.2 - 4.5.2 IFA-Type Ceramic Antenna [Seite 192]
11.5.3 - 4.5.3 Loop-Type Ceramic Antenna [Seite 193]
11.6 - 4.6 Slot Antenna [Seite 195]
11.7 - 4.7 Design a Hepta-Band Antenna with Multiple Radiators and Multiple Modes [Seite 201]
11.8 - 4.8 Design a Reconfigurable Hepta?Band Antenna [Seite 207]
11.9 - 4.9 MIMO Antennas [Seite 216]
11.9.1 - 4.9.1 Explaining Capacity Boost Effect Through the Antenna Point of View [Seite 216]
11.9.2 - 4.9.2 Antenna Correlation and Antenna Isolation [Seite 223]
11.9.3 - 4.9.3 Improve Isolation Between Antennas [Seite 225]
11.10 - 4.10 Antennas in Recently Released Phones [Seite 227]
11.10.1 - 4.10.1 Entry-Level Phone [Seite 227]
11.10.2 - 4.10.2 Flagship Phone [Seite 237]
11.11 - References [Seite 242]
12 - Chapter 5 Antenna Measurement [Seite 245]
12.1 - 5.1 Passive Antenna Measurement [Seite 245]
12.1.1 - 5.1.1 Measurement on a Vector Network Analyzer [Seite 245]
12.1.2 - 5.1.2 Fixture [Seite 250]
12.1.3 - 5.1.3 Passive Chamber Measurement [Seite 262]
12.2 - 5.2 Active Antenna (Over the Air) Measurement [Seite 269]
12.2.1 - 5.2.1 EIRP, ERP, and TRP [Seite 269]
12.2.2 - 5.2.2 EIS and TIS [Seite 272]
12.2.3 - 5.2.3 Sensitivity Degradation Due to Interference [Seite 275]
12.3 - 5.3 Antenna Measurements in the Production Line [Seite 278]
12.4 - 5.4 Multiple Input and Multiple Output Antenna Test [Seite 287]
12.5 - References [Seite 291]
13 - Chapter 6 Regulations Related to Antenna Engineers [Seite 292]
13.1 - 6.1 Specific Absorption Rate [Seite 292]
13.1.1 - 6.1.1 Definition and Measurement Method of SAR [Seite 293]
13.1.2 - 6.1.2 SAR Limits in the United States and Europe [Seite 299]
13.1.3 - 6.1.3 Controlling SAR [Seite 301]
13.1.4 - 6.1.4 Updates on SAR requirement [Seite 310]
13.2 - 6.2 Hearing Aid Compatibility [Seite 312]
13.2.1 - 6.2.1 HAC Measurement [Seite 312]
13.2.2 - 6.2.2 HAC Specification in the United States [Seite 315]
13.2.3 - 6.2.3 Updates on HAC Requirement [Seite 319]
13.3 - 6.3 Electromagnetic Compatibility [Seite 320]
13.4 - References [Seite 321]
14 - Appendix: User Manual for ZJ_Antenna_Matching Software [Seite 323]
15 - Index [Seite 330]
16 - EULA [Seite 334]
