Kenichi HORIGUCHI


A Wideband Digital Predistorter for a Doherty Power Amplifier Using a Direct Learning Memory Effect Filter
Kenichi HORIGUCHI  Naoko MATSUNAGA  Kazuhisa YAMAUCHI  Ryoji HAYASHI  Moriyasu MIYAZAKI  Toshio NOJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/07/01
Vol. E93-C  No. 7  pp. 975-982
Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
predistortionadaptive filtermemory effectpower amplifierDoherty amplifier
  Summary |  Full Text:PDF (2.2MB)

Efficiency Enhancement of a Digital Predistortion Doherty Amplifier Transmitter Using a Virtual Open Stub Technique
Kenichi HORIGUCHI  Satoru ISHIZAKA  Masatoshi NAKAYAMA  Ryoji HAYASHI  Yoji ISOTA  Tadashi TAKAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/09/01
Vol. E90-C  No. 9  pp. 1670-1677
Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Active Devices/Circuits
Keyword: 
power amplifiermicrowave Doherty amplifierefficiencyorthogonal frequency division multiplexing (OFDM)predistortion
  Summary |  Full Text:PDF (883.2KB)

Feedforward Power Amplifier Control Method Using Weight Divided Adaptive Algorithm
Kenichi HORIGUCHI  Atsushi OKAMURA  Masatoshi NAKAYAMA  Yukio IKEDA  Tadashi TAKAGI  Osami ISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1494-1500
Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
normalized least mean squareadaptive algorithmfeedforwardpower amplifiermicrowave
  Summary |  Full Text:PDF (697.9KB)

A High Efficiency Bias Condition Optimized Feedforward Power Amplifier with a Series Diode Linearizer
Kenichi HORIGUCHI  Masatoshi NAKAYAMA  Yuji SAKAI  Kazuyuki TOTANI  Haruyasu SENDA  Yukio IKEDA  Tadashi TAKAGI  Osami ISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/12/01
Vol. E85-C  No. 12  pp. 1973-1980
Type of Manuscript: Special Section PAPER (Special Issue on Low-Distortion,High-Power,High-Efficiency Active Device and Circuit Technology)
Category: 
Keyword: 
feedforward power amplifierspre-distortionbias conditionsoptimizationbase station
  Summary |  Full Text:PDF (919.7KB)

A 1. 9 GHz Single-Chip RF Front-End GaAs MMIC with Low-Distortion Cascode FET Mixer
Masatoshi NAKAYAMA  Kenichi HORIGUCHI  Kazuya YAMAMOTO  Yutaka YOSHII  Shigeru SUGIYAMA  Noriharu SUEMATSU  Tadashi TAKAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/05/20
Vol. E82-C  No. 5  pp. 717-724
Type of Manuscript: Special Section PAPER (Special Issue on Low Distortion Technology for Microwave Devices and Circuits)
Category: 
Keyword: 
GaAs MMICsingle-chip front-endmixercascode FETlow distortion
  Summary |  Full Text:PDF (772.6KB)

A Distortion Analysis Method for FET Amplifiers Using Novel Frequency-Dependent Complex Power Series Model
Kenichi HORIGUCHI  Kazuhisa YAMAUCHI  Kazutomi MORI  Masatoshi NAKAYAMA  Yukio IKEDA  Tadashi TAKAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/05/20
Vol. E82-C  No. 5  pp. 737-743
Type of Manuscript: Special Section PAPER (Special Issue on Low Distortion Technology for Microwave Devices and Circuits)
Category: 
Keyword: 
distortionanalysisFET amplifiersfrequency characteristicscomplex power seriesnonlinear
  Summary |  Full Text:PDF (590.9KB)