2.1.1 Underlying Physical Principles of Inductive Coupling: Self-Inductance (L), Mutual Inductance (M), and Coupling Coefficient (k)
2.1.2 Equivalent Circuit Model
2.1.3 Calculation of Link Efficiency, nLink
2.1.4 Calculation of Power Delivered to the Rx-circuit, PMN
2.1.5 Effects of Coils' Quality Factor (Q) and Coupling Coefficient (k) on the Link
2.1.6 Effect of Tx and Rx Resonance on the Link
2.1.7 Frequency Splitting Effect
2.1.7.1 Analysis of Frequency Splitting Effect Based on T-Type Transformer Model

Intro
Preface
Contents
Acronyms
1 Introduction to Wireless Power Transfer
1.1 Why Wireless?
1.2 Wireless Links Classifications
1.3 Inductive Wireless Power Transfer
1.3.1 Transmitter DC-DC Converter
1.3.2 Inverter
1.3.3 Tx Matching Network
1.3.4 Inductive Link
1.3.5 Rx Matching Network
1.3.6 Rectifier
1.3.7 Receiver DC-DC Converter
References
2 Inductive Link: Basic Theoretical Model
2.1 Reflected Load Theory in a 2-Coil Link

A.4 PMN Calculation for a Current Source and Parallel Tx Resonance
References
3 Inductive Link: Practical Aspects
3.1 Coil Design
3.1.1 Square-Shaped Printed Spiral Coil
3.1.1.1 Self-Inductance, L
3.1.1.2 Equivalent Series Resistance(ESR)
3.1.1.3 Parasitic Capacitance, C
3.1.1.4 Mutual Inductance, M
3.1.1.5 Square-Shaped Printed Spiral Coil Example
3.2 Influence of Foreign Object
3.2.1 Effects of Conductive Materials
3.2.2 Effect of Ferrites
3.3 Safety and Electromagnetic Compatibility Considerations
3.3.1 Electromagnetic Compatibility(EMC)

3.3.2 Safety
References
4 Back Telemetry
4.1 The Need for and Role of Back Telemetry in WPT Links
4.2 Design of Power Transfer Links that Need to Support Back Telemetry
4.3 Examples of Implementation
4.3.1 Load Shift Keying(LSK)
4.3.1.1 Example of Use in AIMDs
4.3.2 Frequency Shift Keying(FSK)
4.3.2.1 Example of Using FSK in Low-Frequency RFID
References
5 Achieving the Optimum Operating Point(OOP)
5.1 Introduction
5.2 Maximum Efficiency Point(MEP) in 2-Coil Links
5.3 Maximum Power Point(MPP) in 2-Coil Links