Keyword : DS-CDMA


Energy-Efficient IDCT Design for DS-CDMA Watermarking Systems
Shan-Chun KUO Hong-Yuan JHENG Fan-Chieh CHENG Shanq-Jang RUAN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/05/01
Vol. E96-A  No. 5 ; pp. 995-996
Type of Manuscript:  LETTER
Category: VLSI Design Technology and CAD
Keyword: 
DS-CDMAwatermarkinglow-power systemhardware architecture
 Summary | Full Text:PDF(400.5KB)

Performance Comparison of Overlap FDE and Sliding-Window Chip Equalization for Multi-Code DS-CDMA in a Frequency-Selective Fading Channel
Tatsunori OBARA Kazuki TAKEDA Kyesan LEE Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/03/01
Vol. E94-B  No. 3 ; pp. 750-757
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
overlap FDEsliding-window chip equalization (SWCE)DS-CDMA
 Summary | Full Text:PDF(1.9MB)

Performance Comparison between CDTD and STTD for DS-CDMA/MMSE-FDE with Frequency-Domain ICI Cancellation
Kazuaki TAKEDA Yohei KOJIMA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/09/01
Vol. E92-B  No. 9 ; pp. 2882-2890
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAMMSE-FDEcyclic delay transmit diversity (CDTD)space-time transmit diversity (STTD)ICI cancellation
 Summary | Full Text:PDF(1.2MB)

Performance Analysis of a De-correlated Modified Code Tracking Loop for Synchronous DS-CDMA System under Multiuser Environment
Ya-Ting WU Wai-Ki WONG Shu-Hung LEUNG Yue-Sheng ZHU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/06/01
Vol. E92-B  No. 6 ; pp. 1991-1999
Type of Manuscript:  PAPER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
code trackingsynchronizationDS-CDMAmultiple access interference (MAI)
 Summary | Full Text:PDF(438.3KB)

A Space-Time Signal Decomposition Algorithm for Downlink MIMO DS-CDMA Receivers
Yung-Yi WANG Wen-Hsien FANG Jiunn-Tsair CHEN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/06/01
Vol. E92-B  No. 6 ; pp. 2131-2141
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MUSICDS-CDMAsignal detectionchannel estimation
 Summary | Full Text:PDF(420KB)

2-Step Maximum Likelihood Channel Estimation for Multicode DS-CDMA with Frequency-Domain Equalization
Yohei KOJIMA Kazuaki TAKEDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/06/01
Vol. E92-B  No. 6 ; pp. 2065-2071
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAfrequency-domain equalizationMMSEchannel estimation
 Summary | Full Text:PDF(684.3KB)

RLS Channel Estimation with Adaptive Forgetting Factor for DS-CDMA Frequency-Domain Equalization
Yohei KOJIMA Hiromichi TOMEBA Kazuaki TAKEDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5 ; pp. 1457-1465
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
DS-CDMAfrequency-domain equalizationchannel estimationRLS algorithm
 Summary | Full Text:PDF(1.1MB)

Joint Frequency-Domain Equalization and Despreading for Multi-Code DS-CDMA Using Cyclic Delay Transmit Diversity
Tetsuya YAMAMOTO Kazuki TAKEDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5 ; pp. 1563-1572
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
DS-CDMAfrequency-domain equalizationcyclic delay transmit diversity
 Summary | Full Text:PDF(1.1MB)

A Simple Exact Error Rate Analysis for DS-CDMA with Arbitrary Pulse Shape in Flat Nakagami Fading
Mohammad Azizur RAHMAN Shigenobu SASAKI Hisakazu KIKUCHI Hiroshi HARADA Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5 ; pp. 1808-1812
Type of Manuscript:  Special Section LETTER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
DS-CDMAmulti-access communicationerror rate analysisNakagami fading
 Summary | Full Text:PDF(172.2KB)

Interference Canceller Based on Cycle-and-Add Property for Single User Detection in DS-CDMA
Ranga HETTIARACHCHI Mitsuo YOKOYAMA Hideyuki UEHARA Takashi OHIRA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/01/01
Vol. E92-A  No. 1 ; pp. 298-306
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
DS-CDMAsingle user detectioninterference cancellationmultiple access interference (MAI)PN sequencescycle-and-add propertynear-far problem (NFP)
 Summary | Full Text:PDF(963.9KB)

Interference Cancellation Technique Based on Discovery of Spreading Codes of Interference Signals and Maximum Correlation Detection for DS-CDMA System
Ranga HETTIARACHCHI Mitsuo YOKOYAMA Hideyuki UEHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11 ; pp. 3335-3345
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
DS-CDMAmultiple access interference (MAI)near-far problem (NFP)spreading codemaximum correlation detection
 Summary | Full Text:PDF(567.7KB)

Iterative Overlap FDE for Multicode DS-CDMA
Kazuaki TAKEDA Hiromichi TOMEBA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/06/01
Vol. E91-B  No. 6 ; pp. 1942-1951
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAMMSE frequency-domain equalizationICI cancellationoverlap FDE
 Summary | Full Text:PDF(1.3MB)

FIR Filter of DS-CDMA UWB Modem Transmitter
Kyu-Min KANG Sang-In CHO Hui-Chul WON Sang-Sung CHOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/03/01
Vol. E91-B  No. 3 ; pp. 907-909
Type of Manuscript:  LETTER
Category: Fundamental Theories for Communications
Keyword: 
FIR filterternary spreading codelook-up table (LUT)DS-CDMAUWB transmitter
 Summary | Full Text:PDF(246.5KB)

Uplink Packet-Data Scheduling in DS-CDMA Systems
YoungWoo CHOI Seong-Lyun KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1 ; pp. 343-346
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAuplinkschedulingtime-span minimizationlinear programming
 Summary | Full Text:PDF(105.2KB)

DS-CDMA Downlink Site Diversity with Frequency-Domain Equalization and Antenna Diversity Reception
Hirotaka SATO Hiromichi TOMEBA Kazuaki TAKEDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/12/01
Vol. E90-B  No. 12 ; pp. 3591-3597
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAfrequency-domain equalizationsite diversitylink capacity
 Summary | Full Text:PDF(835.7KB)

DS-CDMA HARQ with Overlap FDE
Kazuki TAKEDA Hiromichi TOMEBA Kazuaki TAKEDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/11/01
Vol. E90-B  No. 11 ; pp. 3189-3196
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAHARQoverlap FDE
 Summary | Full Text:PDF(472.9KB)

Adaptive Decision Feedback Channel Estimation with Periodic Phase Correction for Frequency-Domain Equalization in DS-CDMA Mobile Radios
Le LIU Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/08/01
Vol. E90-B  No. 8 ; pp. 1997-2005
Type of Manuscript:  PAPER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
DS-CDMAfrequency-domain equalizationadaptive decision feedbackchannel estimation
 Summary | Full Text:PDF(814.4KB)

Particle Swarm Optimization Assisted Multiuser Detection along with Radial Basis Function
Muhammad ZUBAIR Muhammad Aamir Saleem CHOUDHRY Aqdas Naveed MALIK Ijaz Mansoor QURESHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/07/01
Vol. E90-B  No. 7 ; pp. 1861-1863
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
particle swarm optimizationmultiuser detectionradial basis functionsDS-CDMA
 Summary | Full Text:PDF(151.7KB)

Development and Performance Analysis of Non-data Aided MMSE Receiver for DS-CDMA Systems
Tsui-Tsai LIN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/07/01
Vol. E90-B  No. 7 ; pp. 1754-1763
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAMAImultipath fading channelnon-data aided minimum mean square error (MMSE) receivermaximum ratio combiningdecision-aided detector
 Summary | Full Text:PDF(315.4KB)

Frequency-Domain MMSE Channel Estimation for Frequency-Domain Equalization of DS-CDMA Signals
Kazuaki TAKEDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/07/01
Vol. E90-B  No. 7 ; pp. 1746-1753
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAfrequency-domain equalizationchannel estimationMMSE criterion
 Summary | Full Text:PDF(1MB)

Frequency-Domain Multi-Stage Soft Interference Cancellation for DS-CDMA Uplink Signal Transmission
Koichi ISHIHARA Kazuaki TAKEDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/05/01
Vol. E90-B  No. 5 ; pp. 1152-1161
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAfrequency-domain equalization (FDE)MUI cancellationmulti-user detection (MUD)
 Summary | Full Text:PDF(1.1MB)

A DS-CDMA Cellular System Using Band Division and Channel Segregation Distributed Channel Allocation
Suguru SUGAWARA Eisuke KUDOH Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/04/01
Vol. E90-B  No. 4 ; pp. 904-909
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
channel assignmentchannel segregationDS-CDMAlink capacity
 Summary | Full Text:PDF(741KB)

Analytical Evaluation of Analog Component Effects on AMC Performance in HSDPA System
Masahiko SHIMIZU Akira ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/02/01
Vol. E90-B  No. 2 ; pp. 302-311
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
HSDPADS-CDMAAMCsynthesizerI/Q-channel imbalancefilter
 Summary | Full Text:PDF(738KB)

Fast Acquisition of PN Sequences in DS-CDMA Systems with Incoherent Demodulator
Sergei BYCHENKOV Vladimir MIKHAILOV Kohichi SAKANIWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Vol. E89-B  No. 12 ; pp. 3319-3334
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
fast acquisitionPN sequencedecomposition of sequencescomponent sequenceDS-CDMA
 Summary | Full Text:PDF(453KB)

Frequency-Domain ICI Cancellation with MMSE Equalization for DS-CDMA Downlink
Kazuaki TAKEDA Koichi ISHIHARA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Vol. E89-B  No. 12 ; pp. 3335-3343
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAfrequency-domain equalizationMMSEICI cancellation
 Summary | Full Text:PDF(988.3KB)

Iterative Frequency-Domain Soft Interference Cancellation for Multicode DS- and MC-CDMA Transmissions and Performance Comparison
Koichi ISHIHARA Kazuaki TAKEDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Vol. E89-B  No. 12 ; pp. 3344-3355
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAMC-CDMAfrequency-domain equalization (FDE)multicodeinterference cancelation
 Summary | Full Text:PDF(1.3MB)

Minimum Variance Multi-User Detection with Optimum Subband Decomposition over Multipath Channels
Wan-Shing YANG Wen-Hsien FANG Che-Yu LIN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/11/01
Vol. E89-B  No. 11 ; pp. 3075-3082
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
minimum variance MUDsubband decompositioniterative algorithmDS-CDMA
 Summary | Full Text:PDF(1.5MB)

The Pathwise Semi-Blind Algorithm for Downlink DS-CDMA Systems Using Antenna Arrays
Yung-Yi WANG Kuo-Hsiung WU Jiunn-Tsair CHEN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/11/01
Vol. E89-A  No. 11 ; pp. 3157-3160
Type of Manuscript:  Special Section LETTER (Special Section on Wide Band Systems)
Category: 
Keyword: 
DS-CDMAsignal detectionfading amplitude estimation
 Summary | Full Text:PDF(165.8KB)

Decision Feedback Chip-Level Maximum Likelihood Detection for DS-CDMA in a Frequency-Selective Fading Channel
Akihiro SAITO Shinsuke TAKAOKA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/09/01
Vol. E89-B  No. 9 ; pp. 2564-2571
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAfrequency-selective fading channelmaximum likelihood detectionrake combining
 Summary | Full Text:PDF(864.9KB)

Outage Probability Analysis for DS-CDMA Systems with Call Admission Control Scheme
Shiquan PIAO Jaewon PARK Yongwan PARK 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/08/01
Vol. E89-B  No. 8 ; pp. 2226-2229
Type of Manuscript:  LETTER
Category: Fundamental Theories for Communications
Keyword: 
outage probabilityblocking probabilitycall admission control (CAC)DS-CDMA
 Summary | Full Text:PDF(275.2KB)

On the Multihop Packet Scheduling in Uplink DS-CDMA Systems
YoungWoo CHOI Seong-Lyun KIM Sehun KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/08/01
Vol. E89-B  No. 8 ; pp. 2249-2253
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAuplinkpacket schedulingmultihoprelay
 Summary | Full Text:PDF(132.1KB)

Least Squares Based Timing Acquisition and Tracking for Closely Spaced Multipath in DS-CDMA
Inwoo SONG Jungwoo LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Vol. E89-B  No. 3 ; pp. 959-962
Type of Manuscript:  LETTER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
timing estimationleast squaresDS-CDMA
 Summary | Full Text:PDF(249.3KB)

Joint Channel Parameter Estimation and Signal Detection for Downlink MIMO DS-CDMA Systems
Yung-Yi WANG Jiunn-Tsair CHEN Ying LU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/11/01
Vol. E88-B  No. 11 ; pp. 4229-4236
Type of Manuscript:  Special Section PAPER (Special Section on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
signal detectionDS-CDMAMIMOdownlink channelssoftware radio
 Summary | Full Text:PDF(588.4KB) | Errata(VOL.E89-B,NO.1,2006)

Capacity and Error Probability Analysis for Orthogonal Space-Time Block Codes over Correlated Rayleigh and Rician Fading Channels
Hao ZHANG Wei LI T. Aaron GULLIVER 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/11/01
Vol. E88-A  No. 11 ; pp. 3203-3213
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
space time block codingcorrelated fadingDS-CDMA
 Summary | Full Text:PDF(681.5KB)

Error Performance of DS-CDMA over Multipath Channel Using Selective Rake Receiver
Mohammad Azizur RAHMAN Shigenobu SASAKI Jie ZHOU Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/11/01
Vol. E88-A  No. 11 ; pp. 3118-3122
Type of Manuscript:  Special Section LETTER (Special Section on Wide Band Systems)
Category: 
Keyword: 
DS-CDMAmultipath channelselective Rake receiverstandard and improved Gaussian approximations
 Summary | Full Text:PDF(456.7KB)

Performance of a New DS-CDMA Synchronization System Using Cycle-and-Add Property
Yoshikazu YAMAGUCHI Shinji YAMASHITA Mitsuo YOKOYAMA Hideyuki UEHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/10/01
Vol. E88-A  No. 10 ; pp. 2905-2914
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Communication Theory
Keyword: 
DS-CDMAPN sequenceCycle-and-Add propertydetection probability of synchronization
 Summary | Full Text:PDF(533.4KB)

Evaluation of Cell Coverage and System Throughput in Multihop DS-CDMA Cellular Network
Atsushi FUJIWARA Shinji TAKEDA Hitoshi YOSHINO Narumi UMEDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/09/01
Vol. E88-B  No. 9 ; pp. 3541-3545
Type of Manuscript:  Special Section PAPER (Special Section on Advances in Ad Hoc Mobile Communications and Networking)
Category: 
Keyword: 
cellular systemDS-CDMAmultihopinterference marginsystem capacityarea coverage
 Summary | Full Text:PDF(325.9KB)

Pilot-Assisted Channel Estimation Using Adaptive Interpolation for Coherent Rake Reception of DS-CDMA Signals
Shinsuke TAKAOKA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/07/01
Vol. E88-B  No. 7 ; pp. 2962-2970
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAadaptive interpolationconjugate centrosymmetry propertyfast convergence
 Summary | Full Text:PDF(980KB)

A Study on Validity of Random Frame Error Assumption from the Viewpoint of TCP Performance in DS-CDMA Cellular System
Jumpei TAKETSUGU Shinsuke HARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/07/01
Vol. E88-B  No. 7 ; pp. 2994-3004
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
TCPtransmission power controldownloadDS-CDMAcellular system
 Summary | Full Text:PDF(1.8MB)

Systolic OMF-RAKE: Linear Interference Canceller Utilizing Systolic Array for Mobile Communications
Thet Htun KHINE Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/05/01
Vol. E88-B  No. 5 ; pp. 2128-2135
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAblind linear-interference-cancellerRAKEQR-RLSsystolic array
 Summary | Full Text:PDF(443.8KB)

Theoretical Study of Site Selection Diversity Transmission in DS-CDMA Cellular Mobile Radio
Mahbub ALAM Eisuke KUDOH Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/05/01
Vol. E88-B  No. 5 ; pp. 2202-2206
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAsite diversitysoft handoffforward link capacityrake combining
 Summary | Full Text:PDF(476.3KB)

Performance Analysis of an Adaptive Hybrid Search Code Acquisition Algorithm for DS-CDMA Forward Links
Hyung-Rae PARK 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/04/01
Vol. E88-B  No. 4 ; pp. 1586-1593
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAcode acquisitionhybrid searchmean acquisition timeCFAR
 Summary | Full Text:PDF(469.2KB)

Enhancement of Data Throughput in the AMC-Employed DS-CDMA Systems through Suppression of Channel Frequency Selectivity by a MTMR Antenna System
Jaewan KIM Seiichi SAMPEI Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/04/01
Vol. E88-B  No. 4 ; pp. 1622-1631
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
MTMRDS-CDMAadaptive array antennaanalog-type TPCfrequency selectivity test
 Summary | Full Text:PDF(751.7KB)

Subspace-Based Interference Suppression Technique for Long-Code Downlink CDMA Adaptive Receiver
Samphan PHROMPICHAI Peerapol YUVAPOOSITANON Phaophak SIRISUK 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/03/01
Vol. E88-A  No. 3 ; pp. 676-684
Type of Manuscript:  Special Section PAPER (Special Section on Adaptive Signal Processing and Its Applications)
Category: 
Keyword: 
DS-CDMAcyclostationaryinterference suppressionlong spreading sequenceadaptive step-size
 Summary | Full Text:PDF(701.2KB)

Performance Evaluation of Multi-Rate DS-CDMA Using Frequency-Domain Equalization in a Frequency-Selective Fading Channel
Kazuaki TAKEDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/03/01
Vol. E88-B  No. 3 ; pp. 1191-1201
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
DS-CDMAfrequency-domain equalizationfrequency-selective fading
 Summary | Full Text:PDF(1.1MB)

A Novel Adaptive Channel Estimation Scheme for DS-CDMA
Chen HE Xiao-xiang LI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/03/01
Vol. E88-B  No. 3 ; pp. 1274-1278
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMApilot channelmoving averagepilot gain
 Summary | Full Text:PDF(233.4KB)

A More Accurate Analysis of Interference for Rake Combining on DS-CDMA Forward Link in Mobile Radio
Kaibin HUANG Fumiyuki ADACHI Yong Huat CHEW 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2 ; pp. 654-663
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
mobile radioRake receiverDS-CDMAmultipath fading channelmultiple-access-interference
 Summary | Full Text:PDF(968.2KB)

A New Approach for Evaluating Clipping Distortion in DS-CDMA Systems
Jian WANG Xiuming SHAN Yong REN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2 ; pp. 792-796
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAnonlinearitiesimpulse noise
 Summary | Full Text:PDF(412.6KB)

A Generalized Performance Study of DS-CDMA Uplink/Downlink Receivers in Nakagami Wideband Fading Channel
Mohammed ABDEL-HAFEZ Fatih ALAGOZ 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1 ; pp. 333-344
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
wideband fading channelNakagami distributionDS-CDMAdifferential and coherent RAKE receiversmultiple-access interferencebit error probability
 Summary | Full Text:PDF(742.9KB)

Bit Error Rate Analysis of DS-CDMA with Joint Frequency-Domain Equalization and Antenna Diversity Combining
Fumiyuki ADACHI Kazuaki TAKEDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/10/01
Vol. E87-B  No. 10 ; pp. 2991-3002
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAfrequency-domain equalizationantenna diversitymobile radio
 Summary | Full Text:PDF(1.1MB)

Application of Random Transmit Power Control to DS-CDMA/TDD Packet Mobile Radio
ZhiSen WANG Eisuke KUDOH Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/10/01
Vol. E87-B  No. 10 ; pp. 3144-3149
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMApacket communicationcapture effecttransmit power controllink capacity
 Summary | Full Text:PDF(685.8KB)

Optimizing Radio Resource Allocation in Multimedia DS-CDMA Systems Based on Utility Functions
Xiang DUAN Zhisheng NIU Junli ZHENG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Vol. E87-B  No. 8 ; pp. 2233-2242
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
radio resource allocationDS-CDMAutilityoptimizationmarketequilibrium
 Summary | Full Text:PDF(556.7KB)

Adaptive Multi-Stage Parallel Interference Cancellation Receiver for Multi-Rate DS-CDMA System
Seung Hee HAN Jae Hong LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Vol. E87-B  No. 8 ; pp. 2401-2405
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
DS-CDMAmulti-ratemulti-user detectionPIC
 Summary | Full Text:PDF(557.1KB)

Antenna Verification Method for Multipath Interference Canceller Based on Replica Generation per Transmit Antenna with Phase Control Transmit Diversity in W-CDMA Forward Link
Akhmad Unggul PRIANTORO Heiichi YAMAMOTO Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Vol. E87-B  No. 8 ; pp. 2250-2263
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
DS-CDMAinterference cancellertransmit diversityantenna verification
 Summary | Full Text:PDF(3MB)

A Study of Band-Limited Chip Waveforms for Asynchronous DS-CDMA Systems
Ha H. NGUYEN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/08/01
Vol. E87-A  No. 8 ; pp. 2185-2188
Type of Manuscript:  LETTER
Category: Spread Spectrum Technologies and Applications
Keyword: 
DS-CDMAinterference cancellationchip waveform shaping
 Summary | Full Text:PDF(221.2KB)

Groupwise Successive Interference Cancellation Receiver with Gradient Descent Search for Multi-Rate DS-CDMA System
Seung Hee HAN Jae Hong LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/04/01
Vol. E87-B  No. 4 ; pp. 1019-1024
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
multi-rateDS-CDMAGSICgradient descent searchmulti-user detection
 Summary | Full Text:PDF(190.4KB)

Impact of Arrival Angle Spread of Each Cluster of Irresolvable Paths on Adaptive Antenna Array and Antenna Diversity in DS-CDMA Mobile Radio
Yusuke SUZUKI Eisuke KUDOH Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/04/01
Vol. E87-B  No. 4 ; pp. 1037-1040
Type of Manuscript:  LETTER
Category: Terrestrial Radio Communications
Keyword: 
adaptive antenna arraymobile communicationDS-CDMALMS algorithmmultipath fading
 Summary | Full Text:PDF(783.6KB)

A Study on Optimum Weights for Delay Transmit Diversity for DS-CDMA in a Frequency Non-selective Fading Channel
Akihito KATOH Eisuke KUDOH Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/04/01
Vol. E87-B  No. 4 ; pp. 838-848
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
transmit diversitytransmit power controlfadingDS-CDMARake combining
 Summary | Full Text:PDF(1.6MB)

Frequency-Domain Rake Combining for Antenna Diversity Reception of DS-CDMA Signals
Fumiyuki ADACHI Takeshi ITAGAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/09/01
Vol. E86-B  No. 9 ; pp. 2781-2784
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
frequency-domain equalizationrake combiningantenna diversity receptionDS-CDMA
 Summary | Full Text:PDF(364.7KB)

GSIC Receiver with Adaptive MMSE Detection for Dual-Rate DS-CDMA System
Seung Hee HAN Jae Hong LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/09/01
Vol. E86-B  No. 9 ; pp. 2809-2814
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
DS-CDMAdual-rateGSICMMSEmulti-user detection
 Summary | Full Text:PDF(322.6KB)

An Interference-Canceller-Aided Code Acquisition Scheme for DS-CDMA Systems with Interference Cancellation
Jong Bin LEE Seong Keun OH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/09/01
Vol. E86-B  No. 9 ; pp. 2785-2787
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
DS-CDMAcode acquisitioninterference canceller
 Summary | Full Text:PDF(726.8KB)

Joint AIC and ML Decoder Scheme for a Space-Time Coded DS-CDMA System
JooHyun YI Jae Hong LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/08/01
Vol. E86-B  No. 8 ; pp. 2512-2516
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
DS-CDMAspace-time codeadaptive interference cancellerML decoder
 Summary | Full Text:PDF(297.7KB)

Approximate Expression of BER Performance in DS-CDMA Systems over Multi-Path Fading Channels
Fumihito SASAMORI Shiro HANDA Fumiaki MAEHARA Fumio TAKAHATA Shinjiro OSHITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/08/01
Vol. E86-B  No. 8 ; pp. 2523-2528
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
DS-CDMAbit error ratemulti-path fadingDoppler frequencyRician factor
 Summary | Full Text:PDF(386.2KB)

Multistage Interference Canceller Combined with Adaptive Array Antenna for DS-CDMA System
Kazuto YANO Shoichi HIROSE Susumu YOSHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/07/01
Vol. E86-A  No. 7 ; pp. 1603-1610
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
DS-CDMAadaptive array antennamultistage MAI cancellerinterference suppression
 Summary | Full Text:PDF(1.1MB)

Discrete Power Control Algorithm Based on Two-Stage Iterative Method for DS-CDMA Systems
Seung-Hoon SHIN Baek-Hyun KIM Kyung-Sup KWAK 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/07/01
Vol. E86-B  No. 7 ; pp. 2094-2102
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
power controldiscrete power levelsDS-CDMA
 Summary | Full Text:PDF(504.1KB)

Uplink Link Capacity of DS-CDMA Packet Mobile Communications with Rake Combining and Transmit Power Control
ZhiSen WANG Eisuke KUDOH Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/07/01
Vol. E86-B  No. 7 ; pp. 2203-2206
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
DS-CDMApacket communicationtransmit power controlRake combininglink capacitycapture effect
 Summary | Full Text:PDF(387.6KB)

A Weighted Delay Transmit Diversity System Combined with Antenna Diversity Reception for DS-CDMA Mobile Radio
Akihito KATO Eisuke KUDOH Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/07/01
Vol. E86-B  No. 7 ; pp. 2211-2215
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
transmit diversity (TD)transmit power controlfadingDS-CDMARake combining
 Summary | Full Text:PDF(599.1KB)

Fair Queueing Algorithm Using Channel Status Information in an Integrated CDMA System
Seung Sik CHOI Dong Ho CHO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/05/01
Vol. E86-B  No. 5 ; pp. 1694-1697
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
WFQDS-CDMAresource allocationGPSfairness
 Summary | Full Text:PDF(258.7KB)

Forward Link Capacity of Hierarchically Structured Cellular CDMA Systems with Isolated Microcells (Hotspots)
Seyed-Ali GHORASHI Fatin SAID A. Hamid AGHVAMI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/05/01
Vol. E86-B  No. 5 ; pp. 1698-1701
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
hierarchical cell structureforward link capacitymacrocell/microcellDS-CDMA
 Summary | Full Text:PDF(586.2KB)

A Low Power Matched Filter for DS-CDMA Based on Analog Signal Processing
Masahiro SASAKI Takeyasu SAKAI Takashi MATSUMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/04/01
Vol. E86-A  No. 4 ; pp. 752-757
Type of Manuscript:  Special Section PAPER (Special Section of Selected Papers from the 15th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
DS-CDMAmatched filteranalog circuitweighted-sum operationspread spectrummultiply-and-accumulate operation
 Summary | Full Text:PDF(919.5KB)

A Simple Configuration of Adaptive Array Antenna for DS-CDMA Systems
Kazunari KIHIRA Rumiko YONEZAWA Isamu CHIBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/03/01
Vol. E86-B  No. 3 ; pp. 1117-1124
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
adaptive array antennaDS-CDMApower inversion algorithm
 Summary | Full Text:PDF(1013.8KB)

Effect of Transmit Power Limitation in Power Controlled DS-CDMA
Akihito KATOH Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/02/01
Vol. E86-B  No. 2 ; pp. 757-768
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
DS-CDMAtransmit power controlfading
 Summary | Full Text:PDF(1.2MB)

Modeling of DS-CDMA Transmit Power Control in a Fast Fading Channel with Antenna Diversity
Akihito KATOH Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/02/01
Vol. E86-B  No. 2 ; pp. 769-776
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
DS-CDMAtransmit power controlfadingmobile radio communications system
 Summary | Full Text:PDF(1.1MB)

Performance of DS-CDMA Adaptive Modulation System in a Multipath-Channel Environment
Kazuaki TSUKAKOSHI Toshiya KOBASHI Yukiyoshi KAMIO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/02/01
Vol. E86-B  No. 2 ; pp. 743-756
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
DS-CDMAadaptive modulationSNIRRAKEmultipath
 Summary | Full Text:PDF(2.5MB)

Experiments on Coherent Adaptive Antenna Array Diversity Receiver Based on Antenna-Weight Generation Common to Paths in W-CDMA Reverse Link
Hidekazu TAOKA Shinya TANAKA Taisuke IHARA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1 ; pp. 191-205
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
DS-CDMAadaptive antenna arrayinterference suppression
 Summary | Full Text:PDF(2.9MB)

Field Experiments on Pilot Symbol-Assisted Coherent Multistage Interference Canceller in DS-CDMA Reverse Link
Kenichi HIGUCHI Koichi OKAWA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1 ; pp. 181-190
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
mobile radio communicationDS-CDMAinterference cancellertransmit power controlchannel estimation
 Summary | Full Text:PDF(1.6MB)

Call Admission Control Using Differentiated Outage Probabilities in Multimedia DS-CDMA Networks with Imperfect Power Control
Tao SHU Zhisheng NIU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1 ; pp. 16-24
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
call admission controlDS-CDMAimperfect power controlmultimedia traffic
 Summary | Full Text:PDF(456KB)

Multiple Access over Fading Multipath Channels Employing Chip-Interleaving Code-Division Direct-Sequence Spread Spectrum
Yu-Nan LIN David W. LIN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1 ; pp. 114-121
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
DS-CDMAchip-interleavingmultiple access interference (MAI)Rayleigh fading
 Summary | Full Text:PDF(668.9KB)

Multi-Stage Partial Parallel Interference Cancellation Receivers for Multi-Rate DS-CDMA System
Seung Hee HAN Jae Hong LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1 ; pp. 170-180
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
DS-CDMAmulti-rateparallel interference cancellation (PIC)partial PIC
 Summary | Full Text:PDF(1.3MB)

Experimental Evaluation of High Rate Data Transmission Using Turbo/Convolutional Coding in W-CDMA Mobile Communications
Kenichi HIGUCHI Takehiro IKEDA Satoru FUKUMOTO Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12 ; pp. 2750-2759
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
mobile radio communicationDS-CDMAturbo codingconvolutional codingfast transmission power control
 Summary | Full Text:PDF(1.9MB)

Investigation of Channel Estimation Method for Adaptive Antenna Array Transmit Diversity in W-CDMA Forward Link
Shinya TANAKA Mamoru SAWAHASHI Heiichi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12 ; pp. 2630-2639
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
DS-CDMAadaptive antenna arrayinterference suppressionchannel estimation
 Summary | Full Text:PDF(2MB)

Analysis of DS-CDMA Transmission Performance in the Presence of Pure Impulsive Interference over Frequency Selective Fading
Eisuke KUDOH Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/11/01
Vol. E85-B  No. 11 ; pp. 2395-2404
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
impulsive interferenceDS-CDMAantenna diversityRake receiver
 Summary | Full Text:PDF(741.7KB)

Reverse Link Capacity of Orthogonal Multi-Code DS-CDMA with Multiple Connections
Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/11/01
Vol. E85-B  No. 11 ; pp. 2522-2526
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
orthogonal multi-code systemDS-CDMAreverse link capacitymobile communication system
 Summary | Full Text:PDF(480.2KB)

A Two-Stage Approach with CMA and ILS to Blind Multiuser Detection
Go NAKANISHI Koji SHIBATA Takakazu SAKAI Atsushi NAKAGAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/10/01
Vol. E85-A  No. 10 ; pp. 2276-2279
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Spread Spectrum Technologies and Applications
Keyword: 
digital mobile communicationDS-CDMAblind multiuser detectionLCCM and ILS algorithms
 Summary | Full Text:PDF(452.2KB)

A Framework for Determining User Admissibility in Multiservice DS-CDMA Mobile Network Design
Dongwoo KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/10/01
Vol. E85-B  No. 10 ; pp. 1906-1913
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Multimedia Communications)
Category: 
Keyword: 
multiservice network designcell planDS-CDMAadmissibility
 Summary | Full Text:PDF(283.8KB)

Capacity Expressions for Power-Controlled Multi-Class DS-CDMA Reverse Link with Antenna Diversity and Rake Combining
Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/09/01
Vol. E85-B  No. 9 ; pp. 1854-1859
Type of Manuscript:  LETTER
Category: Terrestrial Radio Communications
Keyword: 
DS-CDMAtransmit power controlantenna diversityrake combining
 Summary | Full Text:PDF(285.5KB)

Quasi-Synchronous Multi-Carrier Time Division Duplex DS-CDMA in Reverse Link over Multipath Fading Channel
Pheeradej NANAN Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/09/01
Vol. E85-B  No. 9 ; pp. 1668-1675
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
multicarrierDS-CDMAquasi-synchronoustime division duplex (TDD)reverse link
 Summary | Full Text:PDF(764.1KB)

Performance of Parallel Interference Cancellation with Reverse-Link Synchronous Transmission Technique for DS-CDMA System in Multipath Fading Channels
Woong SUN Seung-Hoon HWANG Duk Kyung KIM Keum-Chan WHANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/08/01
Vol. E85-B  No. 8 ; pp. 1622-1626
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
reverse-link synchronous transmission techniqueparallel interference cancellationDS-CDMA
 Summary | Full Text:PDF(229KB)

SIR Measurement with Data Channel Transmission Gap Using Multipath Interference Canceller for High-Speed Packet Transmission in W-CDMA Forward Link
Akihiro FUJIWARA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/07/01
Vol. E85-A  No. 7 ; pp. 1546-1556
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
DS-CDMAmultipath interferencepacket transmissionadaptive modulationSIR measurement
 Summary | Full Text:PDF(2.5MB)

Experiments on Adaptive Antenna Array Transmit Diversity in W-CDMA Forward Link
Atsushi HARADA Shinya TANAKA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/07/01
Vol. E85-A  No. 7 ; pp. 1612-1623
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
adaptive antenna arrayDS-CDMAmobile radio
 Summary | Full Text:PDF(2.8MB)

Experimental Evaluation of Three-Step Cell Search Method in W-CDMA Mobile Communications
Kenichi HIGUCHI Yukiko HANADA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/07/01
Vol. E85-A  No. 7 ; pp. 1511-1523
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
DS-CDMAasynchronous cell sitecell searchcode acquisitionscrambling code
 Summary | Full Text:PDF(2.6MB)

Dimension-Reduced MMSE Receiver for DS-CDMA Systems over Multipath Channels
Kuk-Jin SONG Dong-Jo PARK 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/02/01
Vol. E85-B  No. 2 ; pp. 554-558
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
DS-CDMAnear-far problemmultipathinterference suppression
 Summary | Full Text:PDF(195.6KB)

Call Admission Control Using a Constraint on Total Composite Received Power in DS-CDMA Systems with Multi-Class Traffic
Min Kyu PARK Seong Keun OH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/01/01
Vol. E85-B  No. 1 ; pp. 336-339
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
DS-CDMAcall admission controlmulti-class traffic
 Summary | Full Text:PDF(506KB)

Sequence Interference Suppression Characteristics of Code-Diversity DS/CDMA over Multipath Fading Channels
Ricardo MANZANILLA Masanori HAMAMURA Shin'ichi TACHIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/12/01
Vol. E84-A  No. 12 ; pp. 2983-2990
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
DS-CDMAcode-diversitymultiple access interferencenear-far problemadaptive weight control
 Summary | Full Text:PDF(528.8KB)

Optimum Weight Generation Method for Adaptive Antenna Array Transmit Diversity in W-CDMA Forward Link
Shinya TANAKA Taisuke IHARA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/12/01
Vol. E84-A  No. 12 ; pp. 3035-3044
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
DS-CDMAadaptive antenna arrayinterference suppressioncarrier frequency calibration
 Summary | Full Text:PDF(1.8MB)

A Novel Beam Selection Transmit Diversity Scheme for DS-CDMA System
Yan ZHOU Francois CHIN Ying-Chang LIANG Chi-Chung KO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/08/01
Vol. E84-B  No. 8 ; pp. 2178-2185
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
transmit antenna diversitydownlink beamformingDS-CDMA
 Summary | Full Text:PDF(1015.5KB)

Multistage Decision Feedback Channel Estimation for DS/CDMA Systems with M-Ary Orthogonal Modulation
Suk-Hyon YOON Dae-Ki HONG Young-Hwan YOU Chang-Eon KANG Daesik HONG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/08/01
Vol. E84-B  No. 8 ; pp. 2305-2308
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
DS-CDMAM-ary orthogonal modulationdecision feedback channel estimationparallel interference cancellation
 Summary | Full Text:PDF(450.2KB)

Fast Two-Step Beam Tracking Algorithm of Coherent Adaptive Antenna Array Diversity Receiver in W-CDMA Reverse Link
Taisuke IHARA Shinya TANAKA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/07/01
Vol. E84-B  No. 7 ; pp. 1835-1848
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Array Antenna Techniques for Advanced Wireless Communications)
Category: Application to CDMA
Keyword: 
DS-CDMAadaptive antenna arraybeam trackingmobile radio communication
 Summary | Full Text:PDF(2.3MB)

Comparison of Coherent Adaptive Antenna Array Diversity and Multi-Beam Receivers for Packet Transmission in W-CDMA Reverse Link
Naoki NAKAMINAMI Shinya TANAKA Taisuke IHARA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/07/01
Vol. E84-B  No. 7 ; pp. 1823-1834
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Array Antenna Techniques for Advanced Wireless Communications)
Category: Application to CDMA
Keyword: 
DS-CDMAadaptive antenna array diversityinterference suppressionmulti-beam
 Summary | Full Text:PDF(1.6MB)

Transmitting Array Antenna Beamforming Based on Goal Programming for Forward Link of DS-CDMA System
Tsuguhide AOKI Norimichi HIRANO Ryuji KOHNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/07/01
Vol. E84-B  No. 7 ; pp. 1861-1870
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Array Antenna Techniques for Advanced Wireless Communications)
Category: Application to CDMA
Keyword: 
DS-CDMAmultiple access interferencearray antennaTPCgoal programming
 Summary | Full Text:PDF(2.5MB)

Experiments on Decision Feedback Type Coherent Adaptive Antenna Array Diversity Receiver in W-CDMA Reverse Link
Shinya TANAKA Hidekazu TAOKA Taisuke IHARA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/07/01
Vol. E84-B  No. 7 ; pp. 1849-1860
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Array Antenna Techniques for Advanced Wireless Communications)
Category: Application to CDMA
Keyword: 
DS-CDMAadaptive antenna arrayinterference suppressiondecision feedback data
 Summary | Full Text:PDF(1.3MB)

Joint Erlang Capacity of DS/CDMA Forward Link Based on Resource Sharing Algorithm
Wan CHOI Jin Young KIM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/06/01
Vol. E84-A  No. 6 ; pp. 1406-1412
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2000 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2000))
Category: 
Keyword: 
Erlang capacityDS-CDMAforward linkresource sharing
 Summary | Full Text:PDF(506KB)

Erlang Capacity of Voice/Data DS-CDMA Systems with Prioritized Services
Insoo KOO Eunchan KIM Kiseon KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/04/01
Vol. E84-B  No. 4 ; pp. 716-726
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Multimedia Communications)
Category: 
Keyword: 
voice/dataDS-CDMAcall admission controlErlang capacity
 Summary | Full Text:PDF(1.3MB)

Experiments on Inter-Cell Site Diversity Using Two-Step Selection Combining in W-CDMA Reverse Link
Akihito MORIMOTO Kenichi HIGUCHI Satoru FUKUMOTO Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/03/01
Vol. E84-B  No. 3 ; pp. 435-445
Type of Manuscript:  Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21st Century)
Category: 
Keyword: 
DS-CDMAsite diversitytransmit power controlCRCSIR
 Summary | Full Text:PDF(1.2MB)

Traffic Performance of a Software-Based TDMA/CDMA System Accommodating Heterogeneous Multimedia Services
Hiroyuki YOMO Shinsuke HARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/03/01
Vol. E84-B  No. 3 ; pp. 502-510
Type of Manuscript:  Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21st Century)
Category: 
Keyword: 
software radiowireless multimedia communicationsTDMADS-CDMA
 Summary | Full Text:PDF(1.1MB)

Analysis of Erlang Capacity for Voice/Data DS-CDMA Systems with the Limited Number of Channel Elements
Insoo KOO Jeongrok YANG Kiseon KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/03/01
Vol. E84-B  No. 3 ; pp. 527-538
Type of Manuscript:  Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21st Century)
Category: 
Keyword: 
Erlang capacityvoice/dataIS-95BDS-CDMA
 Summary | Full Text:PDF(389.7KB)

Analysis of Erlang Capacity for the Multimedia DS-CDMA Systems with the Limited Number of Channel Elements
Insoo KOO JeongRok YANG Kiseon KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/12/25
Vol. E83-B  No. 12 ; pp. 2717-2722
Type of Manuscript:  LETTER
Category: Terrestrial Radio Communications
Keyword: 
Erlang capacitymultimediaDS-CDMAchannel element
 Summary | Full Text:PDF(339.3KB)

Path Search Performance and Its Parameter Optimization of Pilot Symbol-Assisted Coherent Rake Receiver for W-CDMA Mobile Radio
Satoru FUKUMOTO Koichi OKAWA Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11 ; pp. 2110-2119
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
mobile radio communicationDS-CDMARake receiverpath search
 Summary | Full Text:PDF(3MB)

Experiments on Fast Cell Search Algorithm Using Scrambling Code Masking for Inter-Cell Asynchronous W-CDMA System
Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11 ; pp. 2102-2109
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
cell searchinter-cell asynchronous systemDS-CDMAmobile radio
 Summary | Full Text:PDF(1.1MB)

Experimental Evaluations on Array Antenna Configuration of Adaptive Antenna Array Diversity Receiver in W-CDMA Reverse Link
Taisuke IHARA Shinya TANAKA Atsushi HARADA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11 ; pp. 2120-2128
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
mobile radio communicationDS-CDMAadaptive antenna arrayinterference suppressing
 Summary | Full Text:PDF(2MB)

Reconstruction Methods of Tree Structure of Orthogonal Spreading Codes for DS-CDMA
Ushio YAMAMOTO Haris HASANUDIN Yoshikuni ONOZATO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11 ; pp. 2078-2084
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
DS-CDMAorthogonal codespreading factortree structurereconstruction
 Summary | Full Text:PDF(802.5KB)

Nonlinear Parallel Interference Cancellation with Partial Cancellation for a DS-CDMA System
Bong Youl CHO Jae Hong LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/09/25
Vol. E83-B  No. 9 ; pp. 2141-2146
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
DS-CDMAparallel interference cancellationpartial cancellationdecision threshold
 Summary | Full Text:PDF(326.3KB)

A Blind Adaptive Receiver with Decision-Directed Steering Vector for DS-CDMA Downlink
Quee-Seng QUEK Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/08/25
Vol. E83-B  No. 8 ; pp. 1656-1663
Type of Manuscript:  Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
Category: 
Keyword: 
DS-CDMAorthogonalizing matched filter (OMF)RAKEmismatch problemmultipath channels
 Summary | Full Text:PDF(642.6KB)

Fast Cell Search Algorithm in Idle Mode for Inter-Cell Asynchronous W-CDMA Mobile Radio
Yukiko HANADA Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/08/25
Vol. E83-B  No. 8 ; pp. 1610-1618
Type of Manuscript:  Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
Category: 
Keyword: 
mobile radioDS-CDMAtarget cell searchinter-cell asynchronous system
 Summary | Full Text:PDF(1MB)

Challenges of Wireless Communications--IMT-2000 and Beyond--
Fumiyuki ADACHI Nobuo NAKAJIMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/07/25
Vol. E83-A  No. 7 ; pp. 1300-1307
Type of Manuscript:  INVITED PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
wireless communicationsmobile communications systemsIMT-2000DS-CDMA
 Summary | Full Text:PDF(1.3MB)

A Study on Blind Adaptive Receiver for DS-CDMA Systems
Dae-Ho WOO Tae-Sung YOON Youn-Shik BYUN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/06/25
Vol. E83-A  No. 6 ; pp. 1168-1174
Type of Manuscript:  Special Section PAPER (Special Section of Papers Selected from 1999 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'99))
Category: 
Keyword: 
DS-CDMAblindinterference suppressionconstant modulus algorithmadaptive algorithm
 Summary | Full Text:PDF(555.8KB)

Sensitivity of the System Capacity with Respect to the System Reliability in a DS-CDMA Cellular System
Insoo KOO Gwangzeen KO Yeongyoon CHOI Kiseon KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/03/25
Vol. E83-B  No. 3 ; pp. 742-745
Type of Manuscript:  LETTER
Category: Mobile Communication
Keyword: 
DS-CDMAsystem capacitythe system reliability and sensitivity
 Summary | Full Text:PDF(176.4KB)

Effect of Fast Transmit Power Control on Forward Link Capacity of DS-CDMA Cellular Mobile Radio
Fumio KIKUCHI Hirohito SUDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/01/25
Vol. E83-B  No. 1 ; pp. 47-55
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
fast TPCforward link capacityDS-CDMAmobile radio
 Summary | Full Text:PDF(1MB)

Performance Analysis of an MC-CDMA System with Antenna Array in a Fading Channel
Chan Kyu KIM Songin CHOI Yong Soo CHO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/01/25
Vol. E83-B  No. 1 ; pp. 84-92
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
MC-CDMADS-CDMAantenna arraybeamformerarray response vectortransmit array response vectorcode-filtering
 Summary | Full Text:PDF(1.5MB)

Performance Analysis of TCM/DS-CDMA in Nakagami Fading Multipath Channel
Moo Sam KIM Hwang Soo LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/01/25
Vol. E83-B  No. 1 ; pp. 96-98
Type of Manuscript:  LETTER
Category: Mobile Communication
Keyword: 
DS-CDMATCMNakagami fading
 Summary | Full Text:PDF(266.9KB)

Promising Techniques to Enhance Radio Link Performance of Wideband Wireless Access Based on DS-CDMA
Fumiyuki ADACHI Mamoru SAWAHASHI Hirohito SUDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/11/25
Vol. E81-A  No. 11 ; pp. 2242-2250
Type of Manuscript:  INVITED PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
DS-CDMAwireless accessmobile communications
 Summary | Full Text:PDF(830.9KB)

Performance Evaluation of CDMA Adaptive Interference Canceller with RAKE Structure Using Developed Testbed in Multiuser and Multipath Fading Environment
Hironori MIZUGUCHI Shousei YOSHIDA Akihisa USHIROKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/11/25
Vol. E81-A  No. 11 ; pp. 2311-2318
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
DS-CDMAadaptive interference canceller (AIC)near-far resistance transmission power control (TPC)
 Summary | Full Text:PDF(713.6KB)

Turbo Codes Application to DS-CDMA Mobile Radio
Atsushi FUJIWARA Hirohito SUDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/11/25
Vol. E81-A  No. 11 ; pp. 2269-2273
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
turbo codesDS-CDMAmobile radiofading channel
 Summary | Full Text:PDF(514.6KB)

A Novel Wireless Multimedia CDMA System Based on Adaptive Chip/Bit Rate Control
Meizhong WANG Ryuji KOHNO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/11/25
Vol. E81-A  No. 11 ; pp. 2341-2345
Type of Manuscript:  Special Section LETTER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
DS-CDMAwireless multimediadelay-critical servicenon-delay-critical serviceadaptive chip and bit rate controldynamic programming
 Summary | Full Text:PDF(362.4KB)

Coherent Delay-Locked Code Tracking Loop Using Time-Multiplexed Pilot for DS-CDMA Mobile Radio
Mamoru SAWAHASHI Fumiyuki ADACHI Heiichi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7 ; pp. 1426-1432
Type of Manuscript:  Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems)
Category: 
Keyword: 
delay-locked loopDS-CDMAmobile radio
 Summary | Full Text:PDF(525.1KB)

Matched Filter-Based RAKE Combiner for Wideband DS-CDMA Mobile Radio
Satoru FUKUMOTO Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7 ; pp. 1384-1391
Type of Manuscript:  Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems)
Category: 
Keyword: 
mobile radio communicationDS-CDMAmatched filterRAKE combining
 Summary | Full Text:PDF(575.4KB)

Variable-Rate Data Transmission with Blind Rate Detection for Coherent DS-CDMA Mobile Radio
Yukihiko OKUMURA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7 ; pp. 1365-1373
Type of Manuscript:  Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems)
Category: 
Keyword: 
DS-CDMAvariable-rate transmissionblind rate detection
 Summary | Full Text:PDF(703.1KB)

Data Traffic Control and Capacity Evaluations for Voice/Data Integrated Transmission in DS-CDMA
Minami NAGATSUKA Yoshihiro ISHIKAWA Shinji UEBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7 ; pp. 1355-1364
Type of Manuscript:  Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems)
Category: 
Keyword: 
voice/data integrated transmissionDS-CDMAtraffic controlcircuit switching methodcontention-type packet switching methodreservation-type packet switching method
 Summary | Full Text:PDF(854.9KB)

Channel Estimation Filter Using Time-Multiplexed Pilot Channel for Coherent RAKE Combining in DS-CDMA Mobile Radio
Hidehiro ANDOH Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7 ; pp. 1517-1526
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
DS-CDMAmobile radiochannel estimationRAKE combining
 Summary | Full Text:PDF(812.7KB)

Wideband CDMA Systems in TDD-Mode Operation for IMT-2000
Kazuyuki MIYA Osamu KATO Koichi HOMMA Takashi KITADE Masaki HAYASHI Toyoki UE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7 ; pp. 1317-1326
Type of Manuscript:  INVITED PAPER (Special Issue on Third Generation Land Mobile Communication Systems)
Category: 
Keyword: 
DS-CDMATDDspace diversitytransmitter power control
 Summary | Full Text:PDF(856KB)

Wideband Wireless Access Based on DS-CDMA
Fumiyuki ADACHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7 ; pp. 1305-1316
Type of Manuscript:  INVITED PAPER (Special Issue on Third Generation Land Mobile Communication Systems)
Category: 
Keyword: 
DS-CDMAwideband wireless accessmobile communications
 Summary | Full Text:PDF(1MB)

Experimental Performance Results of Coherent Wideband DS-CDMA with TDD Scheme
Osamu KATO Kazuyuki MIYA Koichi HOMMA Takashi KITADE Masaki HAYASHI Masatoshi WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7 ; pp. 1337-1344
Type of Manuscript:  Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems)
Category: 
Keyword: 
DS-CDMATDDspace diversityopen-loop power control
 Summary | Full Text:PDF(709.6KB)

Delayed Symbol Combining Interference Canceller for Multi Rate DS-CDMA in Mobile Radio Environment
Eisuke KUDOH Shigeaki OGOSE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/07/25
Vol. E81-A  No. 7 ; pp. 1430-1435
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals of Multi-dimensional Mobile Information Network)
Category: 
Keyword: 
DS-CDMAinterference cancellermulti ratemobilefading
 Summary | Full Text:PDF(435.9KB)

Comparative Evaluation between Parallel Combinatory CDMA and Direct Sequence CDMA for High Speed Radio Communication
Osamu KATO Masaki HAYASHI Mitsuru UESUGI Koichi HOMMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/07/25
Vol. E81-A  No. 7 ; pp. 1406-1414
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals of Multi-dimensional Mobile Information Network)
Category: 
Keyword: 
DS-CDMAparallel combinatory CDMA (PC-CDMA)2 Mbps transmissionmobile radio
 Summary | Full Text:PDF(790.6KB)

BER Analysis of Asynchronous DS-CDMA over a Rician Fading Channel
Chankil LEE Youngsik JEON 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/07/25
Vol. E81-A  No. 7 ; pp. 1479-1482
Type of Manuscript:  Special Section LETTER (Special Section on Fundamentals of Multi-dimensional Mobile Information Network)
Category: 
Keyword: 
bit error rateDS-CDMAmaximal ratio combiningRician fading channel
 Summary | Full Text:PDF(228.7KB)

Fast Cell Search Algorithm in Inter-Cell Asynchronous DS-CDMA Mobile Radio
Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7 ; pp. 1527-1534
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
cell searchinter-cell asynchronous systemDS-CDMAmobile radio
 Summary | Full Text:PDF(722.4KB)

SIR-Based Transmit Power Control of Reverse Link for Coherent DS-CDMA Mobile Radio
Shunsuke SEO Tomohiro DOHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7 ; pp. 1508-1516
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
transmit power controlreverse linkDS-CDMAmobile radio
 Summary | Full Text:PDF(799.8KB)

Performance Comparison between Time-Multiplexed Pilot Channel and Parallel Pilot Channel for Coherent Rake Combining in DS-CDMA Mobile Radio
Sadayuki ABETA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7 ; pp. 1417-1425
Type of Manuscript:  Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems)
Category: 
Keyword: 
DS-CDMAchannel estimationpilot channeltransmitter power control
 Summary | Full Text:PDF(701.7KB)

Performance of Short-Term Fading Prediction-Based Power Control Method for DS-CDMA Cellular Mobile Radio Networks
Jyh-Horng WEN Long-Chyuan YEH Jang-Ren CHIOU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/06/25
Vol. E81-B  No. 6 ; pp. 1231-1238
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
power controlshort-term fadingDS-CDMAcellular networks
 Summary | Full Text:PDF(600.4KB)

Further Results on Field Experiments of Coherent Wideband DS-CDMA Mobile Radio
Tomohiro DOHI Yukihiko OKUMURA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/06/25
Vol. E81-B  No. 6 ; pp. 1239-1247
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
DS-CDMAmobile radioreverse linktransmit power controlantenna diversityRake combining
 Summary | Full Text:PDF(790.6KB)

Interference Rejection Weight Control for Pilot Symbol-Assisted Coherent Multistage Interference Canceller Using Recursive Channel Estimation in DS-CDMA Mobile Radio
Mamoru SAWAHASHI Hidehiro ANDOH Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/05/25
Vol. E81-A  No. 5 ; pp. 957-972
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
mobile radio communicationDS-CDMAinterference cancellerpilot symbolchannel estimation
 Summary | Full Text:PDF(1.1MB)

Orthogonal Forward Link Using Orthogonal Multi-Spreading Factor Codes for Coherent DS-CDMA Mobile Radio
Koichi OKAWA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/04/25
Vol. E81-B  No. 4 ; pp. 777-784
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
DS-CDMAforward linkorthogonal spreading codesmobile radio
 Summary | Full Text:PDF(658.9KB)

Near-Decorrelating Multistage Detector for Asynchronous DS-CDMA
Toshinori SUZUKI Yoshio TAKEUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/03/25
Vol. E81-B  No. 3 ; pp. 553-564
Type of Manuscript:  PAPER
Category: Communication Theory
Keyword: 
mobile communicationDS-CDMAinterference cancellerdecorrelationlinear multi-stage
 Summary | Full Text:PDF(900.5KB)

Pilot Symbol-Assisted Decision-Directed Coherent Adaptive Array Diversity for DS-CDMA Mobile Radio Reverse Link
Shinya TANAKA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/12/25
Vol. E80-A  No. 12 ; pp. 2445-2454
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
adaptive antenna arrayDS-CDMAmobile radio
 Summary | Full Text:PDF(782.7KB)

Transmit Power Efficiency of Fast Transmit Power Controlled DS-CDMA Reverse Link
Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/12/25
Vol. E80-A  No. 12 ; pp. 2420-2428
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
reverse linkDS-CDMAmobile radiotransmit power controlRake combining
 Summary | Full Text:PDF(639.3KB)

Recent Standardization Activities on IMT-2000 Radio Transmission Technology in Japan
Akio SASAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/12/25
Vol. E80-A  No. 12 ; pp. 2340-2346
Type of Manuscript:  INVITED PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
ITUIMT-2000radio transmission technologyDS-CDMA
 Summary | Full Text:PDF(516.1KB)

The Lower Bound of Open Loop Transmission Power Control Error in DS-CDMA System
Eisuke KUDOH Isao OKAZAKI Shigeaki OGOSE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/12/25
Vol. E80-B  No. 12 ; pp. 1805-1809
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
DS-CDMAtransmission power controlopen loopwideband transmission
 Summary | Full Text:PDF(369.5KB)

Advanced Multi-stage Interference Canceller Systems with Adaptive Radio Channel Estimation Using Pilot and Information Symbols
Satoru SHIMIZU Eiichiro KAWAKAMI Kiyohito TOKUDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/12/25
Vol. E80-A  No. 12 ; pp. 2464-2469
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
interference cancelleradaptive signal processingDS-CDMA
 Summary | Full Text:PDF(465.1KB)

Performance of Pilot Symbol-Assisted Coherent Orthogonal Filter Based Rake Receiver Using Fast Transmit Power Control for DS-CDMA Mobile Radio
Hidehiro ANDOH Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/12/25
Vol. E80-A  No. 12 ; pp. 2455-2463
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
mobile radio communicationDS-CDMAinterference cancellerpilot symbolchannel estimation
 Summary | Full Text:PDF(672.1KB)

Rake Combining Effect on Link Capacity and Peak Transmit Power of Power-Controlled Reverse Link of DS-CDMA Cellular Mobile Radio
Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/10/25
Vol. E80-B  No. 10 ; pp. 1547-1555
Type of Manuscript:  PAPER
Category: Radio Communication
Keyword: 
cellular mobile radioDS-CDMAreverse linkpower controlRake combining
 Summary | Full Text:PDF(669.9KB)

An Efficient Dual-Channel Synchronisation Scheme for the Return Link of CDMA Mobile Satellite Systems
Domenico GIANCRISTOFARO R. E. SHERIFF 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/12/25
Vol. E79-A  No. 12 ; pp. 2050-2061
Type of Manuscript:  Special Section PAPER (Special Secton on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
satellite communicationsDS-CDMAsynchronisation
 Summary | Full Text:PDF(1009.2KB)

Low-Power Consuming Analog-Type Matched Filter for DS-CDMA Mobile Radio
Mamoru SAWAHASHI Fumiyuki ADACHI Guoliang SHOU Changming ZHOU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/12/25
Vol. E79-A  No. 12 ; pp. 2071-2077
Type of Manuscript:  Special Section PAPER (Special Secton on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
DS-CDMAmatched filteranalog signal processing
 Summary | Full Text:PDF(616.5KB)

Theoretical Analysis of DS-CDMA Reverse Link Capacity with SIR-Based Transmit Power Control
Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/12/25
Vol. E79-A  No. 12 ; pp. 2028-2034
Type of Manuscript:  Special Section PAPER (Special Secton on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
DS-CDMAtransmit power controllink capacityspectrum sharing
 Summary | Full Text:PDF(551.7KB)

Adaptive Multi-User Equalizer Using Multi-Dimensional Lattice Filters for DS-CDMA
Daisuke JITSUKAWA Ryuji KOHNO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/09/25
Vol. E79-A  No. 9 ; pp. 1464-1470
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Communication
Keyword: 
DS-CDMAco-channel interferencelattice filtermulti-user detection
 Summary | Full Text:PDF(404.7KB)

Experiments on Coherent Multicode DS-CDMA
Tomohiro DOHI Yukihiko OKUMURA Akihiro HIGASHI Koji OHNO Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/09/25
Vol. E79-B  No. 9 ; pp. 1326-1332
Type of Manuscript:  Special Section PAPER (Special Issue on Personal Communications)
Category: CDMA and multiple access technologies
Keyword: 
DS-CDMApilot symbol-aided coherent RAKEinterference power measurement based power controlorthogonal multicode transmissiontest-bedfield test
 Summary | Full Text:PDF(614.4KB)

Coherent Multicode DS-CDMA Mobile Radio Access
Fumyuki ADACHI Koji OHNO Akihiro HIGASHI Tomohiro DOHI Yukihiko OKUMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/09/25
Vol. E79-B  No. 9 ; pp. 1316-1325
Type of Manuscript:  Special Section PAPER (Special Issue on Personal Communications)
Category: CDMA and multiple access technologies
Keyword: 
DS-CDMAmobile raido accesscellular system
 Summary | Full Text:PDF(909.2KB)