Keyword : WCDMA


Design and Measurements of Two-Gain-Mode GaAs-BiFET MMIC Power Amplifier Modules with Small Phase Discontinuity for WCDMA Data Communications
Kazuya YAMAMOTO Miyo MIYASHITA Kenji MUKAI Shigeru FUJIWARA Satoshi SUZUKI Hiroaki SEKI 
Publication:   
Publication Date: 2018/01/01
Vol. E101-C  No. 1 ; pp. 65-77
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
WCDMAMMICstep attenuatortwo gain modesdirectional couplerheterojunction bipolar transistors (HBTs)
 Summary | Full Text:PDF

Design and Measurements of Building Blocks Supporting a 1.9-GHz-Band BiFET MMIC Power Amplifier for WCDMA Handsets
Kazuya YAMAMOTO Takayuki MATSUZUKA Miyo MIYASHITA Kenichi HORIGUCHI Shigeo YAMABE Satoshi SUZUKI Hiroaki SEKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/07/01
Vol. E99-C  No. 7 ; pp. 837-848
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
MMICreference voltage generatorESD protectionthree power modesheterojunction bipolar transistors (HBTs)WCDMA
 Summary | Full Text:PDF

0.8-/1.5-GHz-Band WCDMA HBT MMIC Power Amplifiers with an Analog Bias Control Scheme
Kazuya YAMAMOTO Takayuki MATSUZUKA Miyo MIYASHITA Kenichi MAEDA Satoshi SUZUKI Hiroaki SEKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/09/01
Vol. E98-C  No. 9 ; pp. 934-945
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
analog bias controlemitter followercurrent injectionheterojunction bipolar transistors (HBTs)WCDMA
 Summary | Full Text:PDF

A Wide-Tuning-Range VCO with Small VCO-Gain Variation for Multi-Band W-CDMA RFIC
Takahiro NAKAMURA Tomomitsu KITAMURA Nobuhiro SHIRAMIZU Toru MASUDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/06/01
Vol. E96-C  No. 6 ; pp. 790-795
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
VCOVCO gainWCDMAand RFIC
 Summary | Full Text:PDF

Analytical Model of the Single Threshold Mechanism with Hysteresis for Multi-Service Networks
Maciej SOBIERAJ Maciej STASIAK Joanna WEISSENBERG Piotr ZWIERZYKOWSKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/01/01
Vol. E95-B  No. 1 ; pp. 120-132
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
multi-rate trafficthreshold modelMarkov chainWCDMA
 Summary | Full Text:PDF

ARQ-Aided Downlink Time Switched Transmit Diversity with Power Ramping in the WCDMA LCR-TDD System
Seung-Hoon HWANG Cha-Eul JEON Ri-A MA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/02/01
Vol. E93-B  No. 2 ; pp. 419-422
Type of Manuscript:  LETTER
Category: Terrestrial Radio Communications
Keyword: 
time swithed transmit diversityautomatic repeat requestWCDMAlow chip rate-TDDpower rampingantenna switching
 Summary | Full Text:PDF

A Compact On-Frequency Indoor Repeater Antenna with High Isolation for WCDMA Applications
Youngki LEE Jeongpyo KIM Jaehoon CHOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Vol. E92-B  No. 12 ; pp. 3964-3967
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
microstrip patch antennaisolationaluminum wallcouplingindoor repeaterWCDMA
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Performance of Downlink DSTBC-WCDMA in Fast-Varying Time-Dispersive Channels
Edwin M. UMALI Joel Joseph S. MARCIANO, Jr. Yasushi YAMAO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Vol. E92-B  No. 12 ; pp. 3815-3826
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
WCDMAMIMODSTBCperformance analysis
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A Dynamic Downlink Load Control Scheme for WCDMA and HSDPA Systems
Chang Soon KANG Junsu KIM Dan Keun SUNG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/06/01
Vol. E92-B  No. 6 ; pp. 2327-2331
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
WCDMAHSDPAAMCdownlink overload control
 Summary | Full Text:PDF

An Overlap-Cut Frequency Domain Equalizer with Decision Feedback
Chi-Min LI Shao-Min WEN Pao-Jen WANG Jia-Chyi WU I-Tseng TANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5 ; pp. 1475-1483
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
overlap-cut (OC)FDEWCDMAOFDM
 Summary | Full Text:PDF

Blocking Probability Calculation for Cellular Systems with WCDMA Radio Interface Servicing PCT1 and PCT2 Multirate Traffic
Mariusz GABOWSKI Maciej STASIAK Arkadiusz WINIEWSKI Piotr ZWIERZYKOWSKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/04/01
Vol. E92-B  No. 4 ; pp. 1156-1165
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
UMTSWCDMAblocking probability
 Summary | Full Text:PDF

Balancing Uplink and Downlink under Asymmetric Traffic Environments Using Distributed Receive Antennas
Illsoo SOHN Byong Ok LEE Kwang Bok LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/10/01
Vol. E91-B  No. 10 ; pp. 3141-3148
Type of Manuscript:  Special Section PAPER (Special Section on Next-Generation Mobile Multimedia Communications)
Category: 
Keyword: 
TDDasymmetric trafficcrossed-slot interferencedistributed antenna systemWCDMAIEEE802.16eWiBro
 Summary | Full Text:PDF

A Triple-Band WCDMA Direct Conversion Receiver IC with Reduced Number of Off-Chip Components and Digital Baseband Control Signals
Osamu WATANABE Rui ITO Toshiya MITOMO Shigehito SAIGUSA Tadashi ARAI Takehiko TOYODA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/06/01
Vol. E91-C  No. 6 ; pp. 837-843
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
WCDMAdirect conversion receiver(DCR)triple-bandclass AB mixerDC offset canceler
 Summary | Full Text:PDF

Downlink Coverage and Capacity of a Distributed Repeater System in a WCDMA Multicell Environment
JaeSeon JANG NohHoon MYUNG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/04/01
Vol. E91-B  No. 4 ; pp. 1211-1214
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
WCDMAdistributed repeater system (DRS)distributed antenna system (DAS)base stationrepeater
 Summary | Full Text:PDF

A Low-Noise Amplifier for WCDMA Terminal with High Tolerance for Leakage Signal from Transmitter
Ryuichi FUJIMOTO Gaku TAKEMURA Masato ISHII Takehiko TOYODA Hiroshi TSURUMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/02/01
Vol. E91-A  No. 2 ; pp. 521-528
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
low-noise amplifierLNAWCDMATX leakage signalnoise frequency conversionnoise figure NF
 Summary | Full Text:PDF

A Fast fc Automatic Tuning Circuit with Wide Tuning Range for WCDMA Direct Conversion Receiver Systems
Osamu WATANABE Rui ITO Shigehito SAIGUSA Tadashi ARAI Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/06/01
Vol. E90-C  No. 6 ; pp. 1247-1252
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
WCDMADCRlowpass filterfc automatic tuning
 Summary | Full Text:PDF

Optimization Model and Algorithm with Maximum Ratio Combining Diversity for WCDMA Base Station Location Planning
Li YAO Chen HE Junlong LIN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/03/01
Vol. E90-B  No. 3 ; pp. 664-667
Type of Manuscript:  LETTER
Category: Network Management/Operation
Keyword: 
WCDMAbase station location planningmaximum ratio combining diversityheuristic algorithm
 Summary | Full Text:PDF

Single Code-Based Dynamic Grouping with Cycle Interleaving Algorithm for Reducing Waste Rate in WCDMA Cellular Networks
Ben-Jye CHANG Min-Xiou CHEN Ren-Hung HWANG Kun-Chan TSAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Vol. E89-B  No. 12 ; pp. 3306-3318
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
WCDMAOVSF codetime-sharingwaste ratedynamic groupingcycle interleaving
 Summary | Full Text:PDF

Design of High-Speed Preamble Searcher for RACH Preamble Structure in WCDMA Reverse Link Receiver
Eun-Sun JUNG Hyung-Jin CHOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/11/01
Vol. E89-B  No. 11 ; pp. 2990-2997
Type of Manuscript:  PAPER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
acquisitionFHTRACHSearcherWCDMA
 Summary | Full Text:PDF

Construction of Dual OVSF Codes with Lower Correlations
Jia HOU Moon Ho LEE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/11/01
Vol. E89-A  No. 11 ; pp. 3363-3367
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
WCDMAOVSFBERAWGNmulti-user environment
 Summary | Full Text:PDF

Robust SIR Measurement Algorithm with Closed Loop Power Control in High Speed Mobile Channel Environment
Jung-Su HAN Joo-Hyun DO Kyung-Sup KWAK Hyung-Jin CHOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/10/01
Vol. E89-B  No. 10 ; pp. 2819-2827
Type of Manuscript:  PAPER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
WCDMASIR measurementclosed-loop power controlCPICH
 Summary | Full Text:PDF

On the Performance of Multiuser MIMO Systems in WCDMA/HSDPA: Beamforming, Feedback and User Diversity
James (Sungjin) KIM Hojin KIM Chang Soon PARK Kwang Bok LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/08/01
Vol. E89-B  No. 8 ; pp. 2161-2169
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
multiuserMIMOSTMAWCDMAHSDPA
 Summary | Full Text:PDF

An Image Rejection Mixer with AI-Based Improved Performance for WCDMA Applications
Yuji KASAI Kiyoshi MIYASHITA Hidenori SAKANASHI Eiichi TAKAHASHI Masaya IWATA Masahiro MURAKAWA Kiyoshi WATANABE Yukihiro UEDA Kaoru TAKASUKA Tetsuya HIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/06/01
Vol. E89-C  No. 6 ; pp. 717-724
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
image rejection mixergenetic algorithmWCDMAgain mismatchphase mismatch
 Summary | Full Text:PDF

Maximizing the Effective Channel Capacity of Power Controlled WCDMA Systems under Rayleigh Fading Environments
Jiabin LIU Shihua ZHU Wenyuan LI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Vol. E89-B  No. 3 ; pp. 879-885
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
channel capacitypower controlWCDMARayleigh fading
 Summary | Full Text:PDF

A Novel Mobile Assignment Method for WCDMA Base Station Location Planning
Li YAO Chen HE Junlong LIN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Vol. E89-B  No. 3 ; pp. 978-981
Type of Manuscript:  LETTER
Category: Network Management/Operation
Keyword: 
WCDMAbase station location planningmobile assignment methodload balance
 Summary | Full Text:PDF

An Efficient Software-Defined Radio Architecture for Multi-Mode WCDMA Applications
Jaesang LIM Yongchul SONG Jeongpyo KIM Beomsup KIM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/12/01
Vol. E88-A  No. 12 ; pp. 3677-3680
Type of Manuscript:  LETTER
Category: General Fundamentals and Boundaries
Keyword: 
analog-to-digital converter (ADC)coherent demodulationdigital intermediate frequency (IF)software-defined radio (SDR)synchronizationWCDMA
 Summary | Full Text:PDF

A Novel Low Complexity Channel Estimator with Frequency Offset Resistance for CDMA
Jungwoo LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/12/01
Vol. E88-B  No. 12 ; pp. 4667-4670
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
channel estimationfrequency offset resistanceWCDMA
 Summary | Full Text:PDF

A Velocity Estimation-Based Channel Estimator for WCDMA Forward Link Receiver
Joo-Hyun DO Hyung-Jin CHOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/11/01
Vol. E88-B  No. 11 ; pp. 4373-4377
Type of Manuscript:  LETTER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
channel estimationvelocity estimationWCDMAFFT
 Summary | Full Text:PDF

The Maximum Available Radio Resource of a WCDMA Downlink
Chie DOU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/11/01
Vol. E88-B  No. 11 ; pp. 4309-4316
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
WCDMAdownlinkradio resourcelink sharing
 Summary | Full Text:PDF

Uplink Performance of WCDMA with Mixed Traffics of Voice/WWW over DCH/CPCH
Seokjoo SHIN Kyounghwan LEE Yeomin YOON 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/10/01
Vol. E88-B  No. 10 ; pp. 4102-4106
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
RACHACHWCDMAcdma2000
 Summary | Full Text:PDF

Performance Comparison of Stepwise Serial and Parallel Cell Search in WCDMA
Moon Kyou SONG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/06/01
Vol. E88-B  No. 6 ; pp. 2539-2547
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
acquisitioncell searchspread spectrumsynchronizationWCDMA
 Summary | Full Text:PDF

Composite-Collector InGaP/GaAs HBTs for Linear Power Amplifiers
Takaki NIWA Takashi ISHIGAKI Naoto KUROSAWA Hidenori SHIMAWAKI Shinichi TANAKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/04/01
Vol. E88-C  No. 4 ; pp. 672-677
Type of Manuscript:  Special Section PAPER (Special Section on Fundamental and Application of Advanced Semiconductor Devices)
Category: Compound Semiconductor Devices
Keyword: 
HBTgallium arsenideruggednessbreakdown voltagelinearitycomposite collectorWCDMA
 Summary | Full Text:PDF

Capacity and Cell Coverage Based on Calculation of the Erlang Capacity in a WCDMA System with Multi-Rate Traffic
Young-Soo KWON Nam KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Vol. E87-B  No. 8 ; pp. 2397-2400
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
WCDMAmulti-rate trafficblocking probabilityErlang capacitycell coverage
 Summary | Full Text:PDF

Real-Time Data Access on HSDPA for WCDMA
Chiang-Shiang WAN Wei-Kuan SHIH Ruei-Chuan CHANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/02/01
Vol. E87-B  No. 2 ; pp. 215-226
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
HS-DSCH codeHSDPAWCDMAreal-time packet schedulingschedulability analysis
 Summary | Full Text:PDF

Iterative Decoding of Serially Concatenated Space-Time Codes in WCDMA Systems with Short Frames
Bon-Jin KU Jong-Moon CHUNG Changeon KANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/02/01
Vol. E87-B  No. 2 ; pp. 357-359
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
serial concatenationspace-time codeWCDMA
 Summary | Full Text:PDF

The Modified CP-AFC with Multi-Stage Tracking Mode for WCDMA Reverse Link Receiver
Joo-Hyun DO Young-Yong LEE Hyung-Jin CHOI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/06/01
Vol. E86-A  No. 6 ; pp. 1397-1404
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2002 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2002))
Category: 
Keyword: 
WCDMAfrequency synchronizationbase station modemCP-AFCmulti-stage tracking
 Summary | Full Text:PDF

A Channel Estimation Technique for WCDMA Systems
Jung-Keun PARK Joong-Hoo PARK 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/04/01
Vol. E86-B  No. 4 ; pp. 1439-1442
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
pilot-aided channel estimationPADDPAWCDMA
 Summary | Full Text:PDF

Low-Power Architecture of a Digital Matched Filter for Direct-Sequence Spread-Spectrum Systems
Takashi YAMADA Shoji GOTO Norihisa TAKAYAMA Yoshifumi MATSUSHITA Yasoo HARADA Hiroto YASUURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/01/01
Vol. E86-C  No. 1 ; pp. 79-88
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
matched filterspread-spectrumWCDMAVLSIlow power
 Summary | Full Text:PDF

Design and Implementation of an Uplink Baseband Receiver for Wideband CDMA Communications
Hsi-Pin MA Steve Hengchen HSU Tzi-Dar CHIUEH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/12/01
Vol. E85-A  No. 12 ; pp. 2813-2821
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
IMT-2000WCDMARake receiverbeamformerdiversity receiving
 Summary | Full Text:PDF

A Suboptimal Receiver for WCDMA Systems
Joong-Hoo PARK Yong-Up LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/03/01
Vol. E85-B  No. 3 ; pp. 667-672
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
WCDMAmultiuser detectionPseudo-Decorrelator
 Summary | Full Text:PDF