Abstract:
We describe a stacked, dual-frequency microstrip planar inverted-F antenna (DF-PIFA) for mobile telephone handsets that can concurrently work in two frequency-bands, viz....Show MoreMetadata
Abstract:
We describe a stacked, dual-frequency microstrip planar inverted-F antenna (DF-PIFA) for mobile telephone handsets that can concurrently work in two frequency-bands, viz., those associated with the GSM and DCS 1800 systems operating at 0.9 GHz and 1.8 GHz, respectively. The proposed microstrip DF-PIFA is fed by a coaxial line, as opposed to two separated feed lines used in the conventional design. The design is carried out in a systematic manner and involves two steps. We begin with an initial configuration of the PIFA that is based on a standard design for a microstrip patch antenna fed by a coaxial line and is derived from an empirical approximation in conjunction with a transmission line model. Next, we employ a computer-aided design (CAD) tool, based on the nonuniform finite-difference time-domain (NU-FDTD) Maxwell solver, to optimize the performance characteristics of the DF-PIFA, including the return loss, the matching of the input impedance, and the far-field radiation patterns.
Published in: IEEE Transactions on Antennas and Propagation ( Volume: 49, Issue: 3, March 2001)
DOI: 10.1109/8.918610

Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hong Kong, China
Ming-Sze Tong was born in Hong Kong, China. He received the B.Sc. degree in electrical engineering from the University of Alberta, Edmonton, Canada, in 1991, the M. Sc. degree in electrical engineering from the University of Saskatchewan, Saskatoon, Canada, in 1995, and the Ph.D. degree from Hong Kong Polytechnic University, Hong Kong, China, in 1999.
During the period of his master degree study, he focused on the optimal ...Show More
Ming-Sze Tong was born in Hong Kong, China. He received the B.Sc. degree in electrical engineering from the University of Alberta, Edmonton, Canada, in 1991, the M. Sc. degree in electrical engineering from the University of Saskatchewan, Saskatoon, Canada, in 1995, and the Ph.D. degree from Hong Kong Polytechnic University, Hong Kong, China, in 1999.
During the period of his master degree study, he focused on the optimal ...View more

Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hong Kong, China
y From 1988 to 1997, he worked as a Lecturer with Hefei University of Technology in the area of information optics and holography. He is currently a Visiting Scholar with the Department of Electronic and Information Engineering, Hong Kong Polytechnic University, engaging in numerical analysis for the applications of microwave integrated circuits and mobile antennas.
y From 1988 to 1997, he worked as a Lecturer with Hefei University of Technology in the area of information optics and holography. He is currently a Visiting Scholar with the Department of Electronic and Information Engineering, Hong Kong Polytechnic University, engaging in numerical analysis for the applications of microwave integrated circuits and mobile antennas.View more

Department of Electrical Engineering, University of South Carolina, Columbia, SC, USA
Yinchao Chen (M'94) received the Ph.D. degree in electrical engineering from the University of South Carolina. Columbia. in 1992.
During his earlier career in China, he was a Microwave and Antenna Engineer with Nanjing Research Institute of Electronic Technology. From 1989 to 1995, he was a Teaching and Research Assistant, Postdoctoral Fellow, Adjunct Assistant Professor, and Visiting Scholar Fellow with the University of ...Show More
Yinchao Chen (M'94) received the Ph.D. degree in electrical engineering from the University of South Carolina. Columbia. in 1992.
During his earlier career in China, he was a Microwave and Antenna Engineer with Nanjing Research Institute of Electronic Technology. From 1989 to 1995, he was a Teaching and Research Assistant, Postdoctoral Fellow, Adjunct Assistant Professor, and Visiting Scholar Fellow with the University of ...View more
EMC Research Laboratory, Pennsylvania State University, University Park, PA, USA
Raj Mittra (S'54-M'57-SM'69-F'71-LF'96), photograph and biography not available at the time of publication.
Raj Mittra (S'54-M'57-SM'69-F'71-LF'96), photograph and biography not available at the time of publication.View more

Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hong Kong, China
Ming-Sze Tong was born in Hong Kong, China. He received the B.Sc. degree in electrical engineering from the University of Alberta, Edmonton, Canada, in 1991, the M. Sc. degree in electrical engineering from the University of Saskatchewan, Saskatoon, Canada, in 1995, and the Ph.D. degree from Hong Kong Polytechnic University, Hong Kong, China, in 1999.
During the period of his master degree study, he focused on the optimal design and analysis of waveguide tapers in microwave engineering. His current research area is the application of numerical techniques in microwave engineering. He was a Research Assistant and a Research Associate between November 1998 and December 1999 at the Department of Electronic and Information Engineering, formerly known as the Department of Electronic Engineering, the Hong Kong Polytechnic University.
Ming-Sze Tong was born in Hong Kong, China. He received the B.Sc. degree in electrical engineering from the University of Alberta, Edmonton, Canada, in 1991, the M. Sc. degree in electrical engineering from the University of Saskatchewan, Saskatoon, Canada, in 1995, and the Ph.D. degree from Hong Kong Polytechnic University, Hong Kong, China, in 1999.
During the period of his master degree study, he focused on the optimal design and analysis of waveguide tapers in microwave engineering. His current research area is the application of numerical techniques in microwave engineering. He was a Research Assistant and a Research Associate between November 1998 and December 1999 at the Department of Electronic and Information Engineering, formerly known as the Department of Electronic Engineering, the Hong Kong Polytechnic University.View more

Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hong Kong, China
y From 1988 to 1997, he worked as a Lecturer with Hefei University of Technology in the area of information optics and holography. He is currently a Visiting Scholar with the Department of Electronic and Information Engineering, Hong Kong Polytechnic University, engaging in numerical analysis for the applications of microwave integrated circuits and mobile antennas.
y From 1988 to 1997, he worked as a Lecturer with Hefei University of Technology in the area of information optics and holography. He is currently a Visiting Scholar with the Department of Electronic and Information Engineering, Hong Kong Polytechnic University, engaging in numerical analysis for the applications of microwave integrated circuits and mobile antennas.View more

Department of Electrical Engineering, University of South Carolina, Columbia, SC, USA
Yinchao Chen (M'94) received the Ph.D. degree in electrical engineering from the University of South Carolina. Columbia. in 1992.
During his earlier career in China, he was a Microwave and Antenna Engineer with Nanjing Research Institute of Electronic Technology. From 1989 to 1995, he was a Teaching and Research Assistant, Postdoctoral Fellow, Adjunct Assistant Professor, and Visiting Scholar Fellow with the University of South Carolina, South Carolina State University, and University of Illinois at Urbana-Champaign, respectively. He was an Assistant Professor with the Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hong Kong, during the period from October 1995 to June 2000. Since July 2000, he has been an Associate Professor with the Department of Electrical and Computer Engineering, University of South Carolina. His current research interests include computational electromagnetics with applications in the areas of millimeter-wave integrated circuits, wireless communication applications, electronic packaging modeling for VISI devices, and microwave antenna applications. He has published more than 100 international publications in refereed journals and conference symposia.
Yinchao Chen (M'94) received the Ph.D. degree in electrical engineering from the University of South Carolina. Columbia. in 1992.
During his earlier career in China, he was a Microwave and Antenna Engineer with Nanjing Research Institute of Electronic Technology. From 1989 to 1995, he was a Teaching and Research Assistant, Postdoctoral Fellow, Adjunct Assistant Professor, and Visiting Scholar Fellow with the University of South Carolina, South Carolina State University, and University of Illinois at Urbana-Champaign, respectively. He was an Assistant Professor with the Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hong Kong, during the period from October 1995 to June 2000. Since July 2000, he has been an Associate Professor with the Department of Electrical and Computer Engineering, University of South Carolina. His current research interests include computational electromagnetics with applications in the areas of millimeter-wave integrated circuits, wireless communication applications, electronic packaging modeling for VISI devices, and microwave antenna applications. He has published more than 100 international publications in refereed journals and conference symposia.View more
EMC Research Laboratory, Pennsylvania State University, University Park, PA, USA
Raj Mittra (S'54-M'57-SM'69-F'71-LF'96), photograph and biography not available at the time of publication.
Raj Mittra (S'54-M'57-SM'69-F'71-LF'96), photograph and biography not available at the time of publication.View more