Keyword : OFCDM


A Low Complexity Architecture for OFCDM Downlink Transmitter Using Joint Time-Frequency Spreading and IFFT
Lilin DAN Yue XIAO Wei NI Shaoqian LI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/10/01
Vol. E92-B  No. 10 ; pp. 3071-3074
Type of Manuscript:  Special Section LETTER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC/COIN 2008)
Category: 
Keyword: 
OFCDMMC-CDMAtwo dimensional spreadingIFFT
 Summary | Full Text:PDF

A Sign Selection Method of Orthogonal Variable Spreading Factor Code for Peak Power Reduction in Multi-Rate OFCDM Systems
Osamu TAKYU Tomoaki OHTSUKI Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/04/01
Vol. E89-B  No. 4 ; pp. 1333-1345
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OFCDMmulti-rate communicationOVSF codepeak power problem
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Decision Directed Scheme for IQ Imbalance Compensation on OFCDM Direct Conversion Receiver
Tadaaki YUBA Yukitoshi SANADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/01/01
Vol. E89-B  No. 1 ; pp. 184-190
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OFCDMdirect conversionIQ imbalance
 Summary | Full Text:PDF

Comparison of Throughput Employing Hybrid ARQ Packet Combining in Forward Link OFCDM Broadband Packet Wireless Access
Nobuhiko MIKI Hiroyuki ATARASHI Sadayuki ABETA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2 ; pp. 594-603
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2)
Category: 
Keyword: 
OFCDMhybrid ARQincremental redundancyChase combining
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Accurate FFT Processing Window Timing Detection Based on Maximum SIR Criterion in OFCDM Wireless Access
Satoshi NAGATA Noriyuki MAEDA Hiroyuki ATARASHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2 ; pp. 552-560
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2)
Category: 
Keyword: 
FFT window timingSIRinter-symbol interferenceOFCDM
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Fast Cell Search Algorithm for Overlay System with Cellular and Isolated Cells in Forward Link for OFCDM Broadband Wireless Access
Motohiro TANNO Hiroyuki ATARASHI Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1 ; pp. 159-169
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1)
Category: Cell Selection
Keyword: 
OFCDMcell searchcellular cellisolated celloverlay
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Cell Selection Based on Shadowing Variation for Forward Link Broadband OFCDM Packet Wireless Access
Akihito MORIMOTO Sadayuki ABETA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1 ; pp. 150-158
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1)
Category: Cell Selection
Keyword: 
broadband packet wireless accessOFCDMcell selectionhard handovershadowing
 Summary | Full Text:PDF

Likelihood Function for QRM-MLD Suitable for Soft-Decision Turbo Decoding and Its Performance for OFCDM MIMO Multiplexing in Multipath Fading Channel
Hiroyuki KAWAI Kenichi HIGUCHI Noriyuki MAEDA Mamoru SAWAHASHI Takumi ITO Yoshikazu KAKURA Akihisa USHIROKAWA Hiroyuki SEKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1 ; pp. 47-57
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1)
Category: MIMO
Keyword: 
MIMOOFCDMQR decompositionmaximum likelihood detectionturbo coding
 Summary | Full Text:PDF

Unified Packet Scheduling Method Considering Delay Requirement in OFCDM Forward Link Broadband Wireless Access
Yoshiaki OFUJI Sadayuki ABETA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1 ; pp. 170-182
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1)
Category: Scheduling
Keyword: 
fast packet schedulingOFCDMQoSdelay
 Summary | Full Text:PDF

Performance Evaluation of STBC-OFCDM Systems with Channel Estimation Error in Time-Variant Channels
Young-Hwan YOU Won-Gi JEON Jong-Ho PAIK 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/01/01
Vol. E87-B  No. 1 ; pp. 179-183
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
OFCDMSTBCchannel estimation errortime-varying channel
 Summary | Full Text:PDF

Performance Impairment of Transmit Diversity OFCDM Systems due to Carrier Frequency Offset
Kyung-Geun LEE Hyoung-Kyu SONG Mi-Jeong KIM Young-Hwan YOU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/09/01
Vol. E86-B  No. 9 ; pp. 2819-2822
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
multiple antennastransmit diversity (TD)OFCDMfrequency offsetBER
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Variable Spreading Factor-Orthogonal Frequency and Code Division Multiplexing (VSF-OFCDM) for Broadband Packet Wireless Access
Hiroyuki ATARASHI Sadayuki ABETA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1 ; pp. 291-299
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
broadband packet wireless accessOFCDMOFDMvariable spreading factorVSF-OFCDM
 Summary | Full Text:PDF

Three-Step Cell Search Algorithm Exploiting Common Pilot Channel for OFCDM Broadband Wireless Access
Motohiro TANNO Hiroyuki ATARASHI Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1 ; pp. 325-334
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
mobile radiobroadband packet wireless accessOFCDMinitial cell search
 Summary | Full Text:PDF

Investigation of Inter-Carrier Interference due to Doppler Spread in OFCDM Broadband Packet Wireless Access
Hiroyuki ATARASHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12 ; pp. 2684-2693
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
broadband packet wireless accessOFCDMDoppler spreadinter-carrier interference
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Three-Step Cell Search Algorithm Employing Synchronization and Common Pilot Channels for OFCDM Broadband Wireless Access
Yukiko ISHII Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12 ; pp. 2672-2683
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
mobile radiobroadband packet wireless accessOFCDMinitial cell search
 Summary | Full Text:PDF

Antenna Diversity Reception Appropriate for MMSE Combining in Frequency Domain for Forward Link OFCDM Packet Wireless Access
Noriyuki MAEDA Hiroyuki ATARASHI Sadayuki ABETA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/10/01
Vol. E85-B  No. 10 ; pp. 1966-1977
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Multimedia Communications)
Category: 
Keyword: 
broadband wireless accessforward linkOFCDMantenna diversity
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Pilot Channel Assisted MMSE Combining in Forward Link for Broadband OFCDM Packet Wireless Access
Noriyuki MAEDA Hiroyuki ATARASHI Sadayuki ABETA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/07/01
Vol. E85-A  No. 7 ; pp. 1635-1646
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
broadband packet wireless accessforward linkOFCDMpilot channel assisted MMSE combining
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