A multilayeredly rolled inverted-F antenna for dual-band mobile phones.

Lam, Fuk Ming.Thesis (M.Phil.)--Chinese University of Hong Kong, 2008.Includes bibliographical references.Abstracts in English and Chinese.Abstract --- p.IAcknowledgements --- p.VTable of Contents --- p.VIList of Figures --- p.IXList of Tables --- p.XVIChapter Chapter 1 --- Introduction --- p.1Chapter 1.1 --- Background --- p.1Chapter 1.2 --- Overview of the Work --- p.5Chapter 1.3 --- Original contribution of this thesis --- p.6Chapter 1.4 --- Organization of this thesis --- p.7Chapter 1.5 --- Remarks on frequency dependent parameters in this thesis --- p.8Reference --- p.9Chapter Chapter 2 --- Small Antennas for mobile phone applications --- p.10Chapter 2.1 --- Introduction --- p.10Chapter 2.2 --- Definitions --- p.11Chapter 2.2.1 --- Quality factor --- p.11Chapter 2.2.2 --- Efficiency --- p.12Chapter 2.2.3 --- Return Loss and impedance bandwidth --- p.12Chapter 2.2.4 --- Antenna gain and radiation pattern --- p.13Chapter 2.3 --- Fundamental limitations of small antenna --- p.14Chapter 2.4 --- Low-profile and Dual-band techniques --- p.16Chapter 2.4.1 --- Inverted-L/F and Planar Inverted-F Antenna --- p.16Chapter 2.4.2 --- Dual-band PIFA --- p.21Chapter 2.4.3 --- Discussion on miniaturization of mobile phone antenna --- p.23Chapter 2.5 --- Ground plane effect of mobile phone antenna --- p.26Chapter 2.5.1 --- Optimal location to excite antenna over a finite ground plane --- p.26Chapter 2.5.2 --- Dependence of resonant frequency and impedance bandwidth on ground plane length --- p.27Chapter 2.5.3 --- Dual-resonator model for mobile phone antenna --- p.32Chapter 2.6 --- Summary --- p.38Reference --- p.38Chapter Chapter 3 --- A Multilayeredly Rolled Inverted-F Antenna for Dual-band Mobile Phones --- p.42Chapter 3.1 --- Introduction --- p.42Chapter 3.2 --- Literature review on rolled antennas --- p.43Chapter 3.3 --- Proposed MRIFA --- p.47Chapter 3.3.1 --- Antenna configuration --- p.47Chapter 3.3.2 --- Simulation studies --- p.51Chapter 3.3.3 --- Prototype and Experimental results --- p.59Chapter 3.3.4 --- Comparison with a reference PIFA --- p.66Chapter 3.4 --- Mobile phone installed with the MRIFA --- p.70Chapter 3.5 --- Summary --- p.80Reference --- p.81Chapter Chapter 4 --- A fast method to evaluate Total Isotropic Sensitivity (TIS) in mobile phone active measurement --- p.82Chapter 4.1 --- Introduction --- p.82Chapter 4.2 --- Proposed fast method for TIS evaluation --- p.85Chapter 4.2.1 --- Observed relationship between total Effective Isotropic Radiated Power (EIRP) and total Effective Isotropic Sensitivity (EIS) --- p.85Chapter 4.2.2 --- EIS's estimation from EIRPs for TIS evaluation --- p.89Chapter 4.3 --- Summary --- p.92Reference --- p.93Chapter Chapter 5 --- Conclusion --- p.94List of Publications --- p.96Appendix A - Details of sample mobile phones investigated in this thesis research --- p.97Appendix B - Active measurement of mobile phone's transmit power and receiver sensitivity --- p.107Appendix C - MRIFA realization procedure --- p.11