Hyeongdong KIM


Miniaturized Antenna with High Radiation Efficiency Using Ground and Chip Capacitors
Hyengcheul CHOI Kyung-Young JUNG Hyeongdong KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/10/01
Vol. E95-B  No. 10  pp. 3328-3331
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
antennasize reductionISM bandand mobile handset
 Summary | Full Text:PDF(596.3KB)

Internal Wideband Loop Antenna Using an LC Resonator
Hyengcheul CHOI Hyeongdong KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/04/01
Vol. E94-B  No. 4  pp. 1081-1084
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
wideband antennaloop antennaresonance controland mobile handset
 Summary | Full Text:PDF(723.4KB)

Planar Inverted-E (PIE) Antenna for a Wide Impedance Bandwidth
Sinhyung JEON Hyengcheul CHOI Hyeongdong KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/11/01
Vol. E93-B  No. 11  pp. 3173-3175
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
planar inverted-F antennaplanar inverted-E antennabranch capacitancewide impedance bandwidth
 Summary | Full Text:PDF(585.4KB)

Compact Hybrid DRA Combined with PIFA
Junghwan YEOM Sinhyung JEON Hyengcheul CHOI Hyeongdong KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Vol. E93-B  No. 10  pp. 2781-2783
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
hybriddielectric resonator antennaplanar inverted F antenna
 Summary | Full Text:PDF(172.9KB)

Design of a Dual-Band Chip Antenna Using a Gap-Fed Branch
Hyengcheul CHOI Hyeongdong KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/08/01
Vol. E92-B  No. 8  pp. 2759-2761
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
gap feedinginter-coupling capacitancedual-band chip antenna
 Summary | Full Text:PDF(195.6KB)

Realization of Gain Improvement Using Helix-Monopole Antenna for Two-Way Portable Radio
Ying LIU Antao BU Shuxi GONG Hyengcheul CHOI Dongsoo SHIN Hyeongdong KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/12/01
Vol. E90-B  No. 12  pp. 3738-3741
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
helix antennamonopolegain improvementportable radio
 Summary | Full Text:PDF(295.6KB)

Implementation of Local Boundary Conditions in Two ADI-FDTD Updating Schemes
Saehoon JU Kyung-Hoon LEE In-Ho HWANG Hyung-Hoon KIM Hyeongdong KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/05/01
Vol. E90-B  No. 5  pp. 1286-1289
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
alternating-direction implicit (ADI) methodFDTD methodupdating scheme
 Summary | Full Text:PDF(227KB)

An Efficient Time-Domain Electromagnetic Solution Using the Time-Domain Variable Resolution Concept
Hyung-Hoon KIM Saehoon JU Seungwon CHOI Jong-Il PARK Hyeongdong KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Vol. E89-B  No. 12  pp. 3487-3490
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
ADI techniqueFDTDcomputational electromagnetics
 Summary | Full Text:PDF(187.2KB)

Compact Representation of Green Function Using Discrete Wavelet Concept for Fast Field Analysis
Hyung-Hoon KIM Saehoon JU Seungwon CHOI Jong-Il PARK Hyeongdong KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Vol. E89-B  No. 12  pp. 3491-3493
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
Green functionwavelet transformintegral equation method
 Summary | Full Text:PDF(214.8KB)

An Efficient Analysis of Thin-Film Bulk Acoustic Wave Resonators Using FDTD Method with ADI Time-Marching Scheme
Saehoon JU Woonsik YEO Hyeongdong KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/06/01
Vol. E88-B  No. 6  pp. 2681-2684
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
TFBARADI-FDTD methodFDTD method
 Summary | Full Text:PDF(403.3KB)

Application of the Alternating-Direction Implicit FDTD Method for Analyzing the Power Plane Resonance Problem
Jeongnam CHEON Hyunsik PARK Hyeongdong KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/03/01
Vol. E86-B  No. 3  pp. 1181-1185
Type of Manuscript:  LETTER
Category: Antenna and Propagation
Keyword: 
ADI-FDTDFDTDmultilayered PCBpower plane resonance
 Summary | Full Text:PDF(834.4KB)