Broadband Planar Antennas

Dr Zhi Ning Chen is the Radio Systems Department Manager at the Institute for Infocomm Research in Singapore and is concurrently teaching at the National University of Singapore. Dr Chen has extensive R&D and teaching experience in wireless communications, electromagnetic applications, antennas and propagation. His current research interests are in antennas for cellular systems, WLANs, portable terminals and UWB radio systems.Dr Michael Chia, is the Division Director for Communications and Devices at the Institute for Infocomm Research in Singapore, which specialises in the R&D of novel radio technology for wireless communications. Dr Chia was a member in the Panel of Public Service Funding-PSF of the Agency for Science, Technology & Research and has been listed in Marquis Who's Who in Science and Engineering.

• Foreword ixPreface xiAcknowledgements xiii1 Planar Radiators 11.1 Introduction 11.2 Bandwidth Definitions 21.3 Planar Antennas 51.4 Overview of this Book 142 Broadband Microstrip Patch Antennas 172.1 Introduction 172.2 Important Features of Microstrip Patch Antennas 202.3 Broadband Techniques 313 Broadband Suspended Plate Antennas 473.1 Introduction 473.2 Techniques to Broaden Impedance Bandwidth 493.3 Techniques to Enhance Radiation Performance 653.4 Arrays with Suspended Plate Elements 1114 Planar Inverted-L/F Antennas 1354.1 Introduction 1354.2 The Inverted-L/F Antenna 1374.3 Broadband Planar Inverted-F/L Antenna 1414.4 Case Studies 1545 Planar Monopole Antennas and Ultra-wideband Applications 1795.1 Introduction 1795.2 Planar Monopole Antenna 1815.3 Planar Antennas for UWB Applications 1935.4 Case Studies 218References 237Index 241