Eiji TANIGUCHI


A 15GHz-Band 4-Channel Transmit/Receive RF Core-Chip for High SHF Wide-Band Massive MIMO in 5G
Koji TSUTSUMI Takaya MARUYAMA Wataru YAMAMOTO Takanobu FUJIWARA Tatsuya HAGIWARA Ichiro SOMADA Eiji TANIGUCHI Mitsuhiro SHIMOZAWA 
Publication:   
Publication Date: 2017/10/01
Vol. E100-C  No. 10  pp. 825-832
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
massive MIMOactive phased array antennahigh SHFphase shiftersvariable gain amplifiersCMOS integrated circuits
 Summary | Full Text:PDF(2.9MB)

Adaptively Phase-Shift Controlled Self-Injection Locked VCO
Masaomi TSURU Kengo KAWASAKI Koji TSUTSUMI Eiji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/07/01
Vol. E98-C  No. 7  pp. 677-684
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Active Circuits/Devices/Monolithic Microwave Integrated Circuits
Keyword: 
self-injection locked oscillatorphase noisedelay linesphase-shift control
 Summary | Full Text:PDF(1.5MB)

A 2 to 5 GHz-Band Self Frequency Dividing Quadrature Mixer Using Current Re-Use Configuration
Eiji TANIGUCHI Mitsuhiro SHIMOZAWA Noriharu SUEMATSU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Vol. E92-B  No. 12  pp. 3711-3716
Type of Manuscript:  Special Section PAPER (Special Section on Dynamic Spectrum Access)
Category: Wideband RF Systems
Keyword: 
SiSiGeMMICRFICmixerconverterdirect conversion receivercognitive radio
 Summary | Full Text:PDF(635.7KB)

An Even Harmonic Quadrature Mixer with a Simple Filter Configuration and an Integrated LTCC Module for W-CDMA Direct Conversion Receiver
Mitsuhiro SHIMOZAWA Kenichi MAEDA Eiji TANIGUCHI Keiichi SADAHIRO Takayuki IKUSHIMA Tamotsu NISHINO Noriharu SUEMATSU Kenji ITOH Yoji ISOTA Tadashi TAKAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/04/01
Vol. E89-C  No. 4  pp. 473-481
Type of Manuscript:  Special Section PAPER (Special Section on Advanced RF Technologies for Compact Wireless Equipment and Mobile Phones)
Category: 
Keyword: 
direct conversion receiverLTCCmodulequadrature mixerharmonic mixer
 Summary | Full Text:PDF(1.4MB)

An Even Harmonic Mixer Using Self-Biased Anti-Parallel Diode Pair
Mitsuhiro SHIMOZAWA Takatoshi KATSURA Kenichi MAEDA Eiji TANIGUCHI Takayuki IKUSHIMA Noriharu SUEMATSU Kenji ITOH Yoji ISOTA Tadashi TAKAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1464-1471
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
microwavemixerharmonic mixeranti-parallel diode pairself-bias
 Summary | Full Text:PDF(1.1MB)

A 2 GHz-Band Even Harmonic Type SiGe-MMIC Direct Conversion CECCTP Mixer
Eiji TANIGUCHI Kenichi MAEDA Chiemi SAWAUMI Noriharu SUEMATSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/07/01
Vol. E85-C  No. 7  pp. 1412-1418
Type of Manuscript:  Special Section PAPER (Special Issue on Silicon RF Device & Integrated Circuit Technologies)
Category: 
Keyword: 
microwavemixerheterojunction bipolar transistor (HBT)SiGe
 Summary | Full Text:PDF(549.1KB)