Keyword : direct conversion


A 60 GHz Hybrid Analog/Digital Beamforming Receiver with Interference Suppression for Multiuser Gigabit/s Radio Access
Koji TAKINAMI Hiroyuki MOTOZUKA Tomoya URUSHIHARA Masashi KOBAYASHI Hiroshi TAKAHASHI Masataka IRIE Takenori SAKAMOTO Yohei MORISHITA Kenji MIYANAGA Takayuki TSUKIZAWA Noriaki SAITO Naganori SHIRAKATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/07/01
Vol. E99-C  No. 7 ; pp. 856-865
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
IEEE 802.11adWiGig60 GHzdirect conversionCMOSbeamforminginterference suppressioninterference rejection combining
 Summary | Full Text:PDF(2.2MB)

Performance Measurement of Compact and High-Range Resolution 76 GHz Millimeter-Wave Radar System for Autonomous Unmanned Helicopters
Shunichi FUTATSUMORI Akiko KOHMURA Naruto YONEMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/04/01
Vol. E96-C  No. 4 ; pp. 586-594
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
autonomous unmanned helicoptercarbon fiber reinforced plasticdirect conversionmillimeter-wave radarrange resolution
 Summary | Full Text:PDF(7.4MB)

A 250 MHz to 8 GHz GaAs pHEMT IQ Modulator
Kiyoyuki IHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Vol. E96-C  No. 2 ; pp. 245-250
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
IQ modulatorEVMdirect conversionGaAspHEMTACPRtemperature driftdistortion
 Summary | Full Text:PDF(1MB)

A 60 GHz CMOS Transceiver IC for a Short-Range Wireless System with Amplitude/Phase Imbalance Cancellation Technique
Koji TAKINAMI Junji SATO Takahiro SHIMA Mitsuhiro IWAMOTO Taiji AKIZUKI Masashi KOBAYASHI Masaki KANEMARU Yohei MORISHITA Ryo KITAMURA Takayuki TSUKIZAWA Koichi MIZUNO Noriaki SAITO Kazuaki TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/10/01
Vol. E95-C  No. 10 ; pp. 1598-1609
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
CMOSmillimeter-wavedirect conversionamplitude/phase imbalancephase locked loop (PLL)injection locked frequency dividercalibrationpush-push voltage controlled oscillator60 GHz
 Summary | Full Text:PDF(5.5MB)

A Single-Chip 8-Band CMOS Transceiver for 3G Cellular Systems with Digital Interface
Hiroshi YOSHIDA Takehiko TOYODA Hiroshi TSURUMI Nobuyuki ITOH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/02/01
Vol. E93-A  No. 2 ; pp. 375-381
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
W-CDMAGSM3Gdirect conversionDC offsetAGC
 Summary | Full Text:PDF(1.1MB)

IQ Imbalance Estimation Scheme in the Presence of DC Offset and Frequency Offset in the Frequency Domain
Mamiko INAMORI Shuzo TAKAYAMA Yukitoshi SANADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/11/01
Vol. E92-A  No. 11 ; pp. 2688-2696
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
direct conversionOFDMDC offsetfrequency offsetIQ imbalancepilot symbols
 Summary | Full Text:PDF(754.2KB)

A 0.13-µm CMOS 2.4-GHz Low-Noise Balun-Mixer
Chang-Wan KIM Jeong-Yeon KIM Bong-Soon KANG 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/09/01
Vol. E92-C  No. 9 ; pp. 1223-1225
Type of Manuscript:  BRIEF PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
CMOSdirect conversionlow noisenoise-cancellationmixer
 Summary | Full Text:PDF(499KB)

The Temperature Dependence of a GaAs pHEMT Wideband IQ Modulator IC
Kiyoyuki IHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/03/01
Vol. E91-C  No. 3 ; pp. 366-372
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
IQ modulatortemperature dependenceEVMdirect conversionGaAspHEMT
 Summary | Full Text:PDF(709.4KB)

Frequency Offset Estimation Scheme in the Presence of Time-Varying DC Offset for OFDM Direct Conversion Receivers
Mamiko INAMORI Anas Muhamad BOSTAMAM Yukitoshi SANADA Hideki MINAMI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/10/01
Vol. E90-B  No. 10 ; pp. 2884-2890
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
direct conversionOFDMDC offsetfrequency offsettraining sequence
 Summary | Full Text:PDF(515KB)

Channel Optimized Predistortion in Self-Heterodyne Direct Conversion Architecture for OFDM Systems
Jun-Seok YANG Jong-Ho LEE Seong-Cheol KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/06/01
Vol. E90-B  No. 6 ; pp. 1400-1406
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
channel estimationpredistortionself-heterodynedirect conversionOFDMDCT
 Summary | Full Text:PDF(592.9KB)

A Quadrature Demodulator for WCDMA Receiver Using Common-Base Input Stage with Robustness to Transmitter Leakage
Toshiya MITOMO Osamu WATANABE Ryuichi FUJIMOTO Shunji KAWAGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/06/01
Vol. E90-C  No. 6 ; pp. 1241-1246
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
WCDMA receiverdirect conversionquadrature demodulatorcommon-base circuit
 Summary | Full Text:PDF(675.4KB)

IQ Imbalance Compensation Scheme for MB-OFDM Using Transmission Diversity
Yohei KATO Tsuyoshi IKUNO Yukitoshi SANADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/11/01
Vol. E89-A  No. 11 ; pp. 3066-3074
Type of Manuscript:  Special Section PAPER (Special Section on Wide Band Systems)
Category: 
Keyword: 
UWBMB-OFDMdirect conversionIQ imbalance
 Summary | Full Text:PDF(647KB)

Decision Directed Scheme for IQ Imbalance Compensation on OFCDM Direct Conversion Receiver
Tadaaki YUBA Yukitoshi SANADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/01/01
Vol. E89-B  No. 1 ; pp. 184-190
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OFCDMdirect conversionIQ imbalance
 Summary | Full Text:PDF(422KB)

A Direct Conversion Receiver for W-CDMA Reducing Current Consumption to 31 mA
Hiroshi YOSHIDA Takehiko TOYODA Makoto ARAI Ryuichi FUJIMOTO Toshiya MITOMO Masato ISHII Rui ITO Tadashi ARAI Tetsuro ITAKURA Hiroshi TSURUMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/06/01
Vol. E88-C  No. 6 ; pp. 1271-1274
Type of Manuscript:  Special Section LETTER (Special Section on Analog Circuit and Device Technologies)
Category: RF
Keyword: 
direct conversionpower consumptionW-CDMA
 Summary | Full Text:PDF(607.4KB)

Fully Differential Direct-Conversion Receiver for W-CDMA Reducing DC-Offset Variation
Hiroshi YOSHIDA Takehiko TOYODA Ichiro SETO Ryuichi FUJIMOTO Osamu WATANABE Tadashi ARAI Tetsuro ITAKURA Hiroshi TSURUMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/06/01
Vol. E87-C  No. 6 ; pp. 901-908
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
direct conversionDC offset cancelerharmonic mixer
 Summary | Full Text:PDF(1.3MB)

A Low Power Baseband Processor for a Portable Dual Mode DECT/GSM Terminal
Christos DROSOS Chrissavgi DRE Spyridon BLIONAS Dimitrios SOUDRIS 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/10/01
Vol. E86-D  No. 10 ; pp. 1976-1986
Type of Manuscript:  Special Section PAPER (Special Issue on Development of Advanced Computer Systems)
Category: 
Keyword: 
low power processorDECT/GSM functionsdirect conversionVLSI implementationmeasurements
 Summary | Full Text:PDF(1.5MB)

A Software Radio Receiver with Direct Conversion and Its Digital Processing
Robert MORELOS-ZARAGOZA Shinichiro HARUYAMA Masayoshi ABE Noboru SASHO Lachlan B. MICHAEL Ryuji KOHNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12 ; pp. 2741-2749
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
software defined radio (SDR)direct conversiondesign methodology
 Summary | Full Text:PDF(930.9KB)

Active Integrated Antennas
Peter S. HALL Peter GARDNER Guozhong MA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/09/01
Vol. E85-B  No. 9 ; pp. 1661-1667
Type of Manuscript:  INVITED PAPER (Special Issue on Active and Integrated Antennas)
Category: 
Keyword: 
active integrated antennadirect conversionmodulation-demodulationsimulation tool
 Summary | Full Text:PDF(1MB)

Fractionally-Spaced Differential Detection of GFSK Signals with Small h
Sukkyun HONG Yong-Hwan LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/12/01
Vol. E84-B  No. 12 ; pp. 3226-3234
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
GFSKdirect conversionfrequency offset compensationdifferential detectionsmall modulation index
 Summary | Full Text:PDF(526.2KB)

Broadband and Flexible Receiver Architecture for Software Defined Radio Terminal Using Direct Conversion and Low-IF Principle
Hiroshi TSURUMI Hiroshi YOSHIDA Shoji OTAKA Hiroshi TANIMOTO Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/06/25
Vol. E83-B  No. 6 ; pp. 1246-1253
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio and Its Technologies)
Category: 
Keyword: 
software defined radiodirect conversionlow-IFchannel selectionimage rejection
 Summary | Full Text:PDF(1.5MB)

Distortion Characteristics of an Even Harmonic Type Direct Conversion Receiver for CDMA Satellite Communications
Hiroshi IKEMATSU Ken'ichi TAJIMA Kenji KAWAKAMI Kenji ITOH Yoji ISOTA Osami ISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/05/25
Vol. E82-C  No. 5 ; pp. 699-707
Type of Manuscript:  Special Section PAPER (Special Issue on Low Distortion Technology for Microwave Devices and Circuits)
Category: 
Keyword: 
direct conversionmixerdiodethird-order intermodulationnoise power ratio
 Summary | Full Text:PDF(846KB)

Advanced Fluorite Regeneration Technology to Recover Spent Fluoride Chemicals Drained from Semi-conductor Manufacturing Process
Nobuhiro MIKI Matagoro MAENO Toshiro FUKUDOME Tadahiro OHMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/03/25
Vol. E79-C  No. 3 ; pp. 363-374
Type of Manuscript:  Special Section PAPER (Special Issue on Scientific ULSI Manufacturing Technology)
Category: High-Performance Processing
Keyword: 
granular fluorite regenerationcalcite columndirect conversion
 Summary | Full Text:PDF(942.5KB)