Prayoot AKKARAEKTHALIN


A Multiband Monopole Antenna with Modified Fractal Loop Parasitic for DCS 1800, WLAN, WiMAX and IMT Advanced Systems
Chatree MAHATTHANAJATUPHAT Norakamon WONGSIN Prayoot AKKARAEKTHALIN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/01/01
Vol. E95-B  No. 1  pp. 27-33
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2010)
Category: Antennas
Keyword: 
multiband antennafractal loopomni-directionalparasitic
 Summary | Full Text:PDF(900.6KB)

Bandwidth and Gain Enhancement of Microstrip Patch Antennas Using Reflective Metasurface
Sarawuth CHAIMOOL Kwok L. CHUNG Prayoot AKKARAEKTHALIN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Vol. E93-B  No. 10  pp. 2496-2503
Type of Manuscript:  INVITED PAPER (Special Section on Advanced Technologies in Antennas and Propagation in Conjunction with Main Topics of ISAP2009)
Category: 
Keyword: 
widebandhigh-gainmetamaterialFabry-Perot cavity (FPC)frequency selective surface (FSS)
 Summary | Full Text:PDF(1MB)

FOREWORD
Prayoot AKKARAEKTHALIN Toru UNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Vol. E93-B  No. 10  pp. 2495-2495
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(174.1KB)

Stepped-Impedance Hairpin Resonators with Asymmetric Capacitively Loaded Coupled Lines for Improved Stopband Characteristics
Apirada NAMSANG Thammarat MAJAENG Jaruek JANTREE Sarawuth CHAIMOOL Prayoot AKKARAEKTHALIN 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/12/01
Vol. E90-C  No. 12  pp. 2185-2191
Type of Manuscript:  Special Section PAPER (Special Section on Recent Technologies for Microwave and Millimeter-wave Passive Devices)
Category: 
Keyword: 
asymmetrical stepped-impedancec-modepi-modebandpass filtersuppress harmonics
 Summary | Full Text:PDF(398.9KB)

A Double Square Loop Antenna with Modified Minkowski Fractal Geometry for Multiband Operation
Chatree MAHATTHANAJATUPHAT Prayoot AKKARAEKTHALIN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2256-2262
Type of Manuscript:  Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category: Antennas
Keyword: 
multiband antennafractal loopbi-directionalMinkowski fractal
 Summary | Full Text:PDF(1.5MB)

Wideband Uni-Directional CPW-fed Slot Antennas Using Loading Metallic Strips and a Widened Tuning Stub on Modified-Shape Reflectors
Prayoot AKKARAEKTHALIN Sarawuth CHAIMOOL Monai KRAIRIKSH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2246-2255
Type of Manuscript:  Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category: Antennas
Keyword: 
CPW-fed slot antennawidebanduni-directionalfinite reflector
 Summary | Full Text:PDF(2.8MB)

Microstrip Bandpass Filters with Reduced Size and Improved Stopband Characteristics Using New Stepped-Impedance Resonators
Prayoot AKKARAEKTHALIN Jaruek JANTREE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/12/01
Vol. E89-C  No. 12  pp. 1865-1871
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Microwave Techniques)
Category: Passive Circuits/Components
Keyword: 
stepped-impedance resonator (SIR)bandpass filterimproved stopband
 Summary | Full Text:PDF(756.7KB)

Dual-Band CPW-Fed Slot Antennas Using Loading Metallic Strips and a Widened Tuning Stub
Sarawuth CHAIMOOL Prayoot AKKARAEKTHALIN Vech VIVEK 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/12/01
Vol. E88-C  No. 12  pp. 2258-2265
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Technologies and Computational Electromagnetics)
Category: Antenna Design
Keyword: 
antennasdual-band antennascoplanar waveguide (CPW)-fedbi-directional
 Summary | Full Text:PDF(1.6MB)