Keyword : broadband packet wireless access


Field Experiments on Throughput Performance above 100 Mbps in Forward Link for VSF-OFCDM Broadband Wireless Access
Yoshihisa KISHIYAMA Noriyuki MAEDA Kenichi HIGUCHI Hiroyuki ATARASHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2 ; pp. 604-614
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2)
Category: 
Keyword: 
broadband packet wireless accessforward linkVSF-OFCDMthroughputfield experiments
 Summary | Full Text:PDF(1.9MB)

Variable Spreading and Chip Repetition Factors (VSCRF)-CDMA in Reverse Link for Broadband Packet Wireless Access
Yoshikazu GOTO Teruo KAWAMURA Hiroyuki ATARASHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2 ; pp. 509-519
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2)
Category: 
Keyword: 
broadband packet wireless accessreverse linkVSCRF-CDMAchip repetitionspreading
 Summary | Full Text:PDF(1.3MB)

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(1.6MB)

Efficient Random Access Channel Transmission Method Using Packet Retransmission According to QoS
Yousuke IIZUKA Motohiro TANNO Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/07/01
Vol. E86-A  No. 7 ; pp. 1669-1675
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
broadband packet wireless accessmulticarrier/DS-CDMArandom accessQoS control
 Summary | Full Text:PDF(1.3MB)

Radio Link Capacity Comparison between MC/DS-CDMA and MC-CDMA in Reverse Link Broadband Wireless Access
Shingo SUWA Hiroyuki ATARASHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/07/01
Vol. E86-A  No. 7 ; pp. 1645-1655
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
broadband packet wireless accessreverse linkmulti-carrier/DS-CDMAmulti-carrier CDMA
 Summary | Full Text:PDF(1.9MB)

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(1.4MB)

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(2MB)

Adaptive Radio Parameter Control Considering QoS for Forward Link OFCDM Wireless Access
Atsushi HARADA Sadayuki ABETA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1 ; pp. 314-324
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
broadband packet wireless accessforward linkQoS controlHARQadaptive modulation and channel coding
 Summary | Full Text:PDF(1.9MB)

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(2MB)

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
 Summary | Full Text:PDF(1.8MB)

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
 Summary | Full Text:PDF(3.3MB)

Optimum Bandwidth per Sub-Carrier of Multicarrier/DS-CDMA for Broadband Packet Wireless Access in Reverse Link
Shingo SUWA 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. 1624-1634
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
broadband packet wireless accessreverse linkmulticarrier/DS-CDMAoptimum bandwidth
 Summary | Full Text:PDF(2MB)

Performance Evaluation of Coherent High-Speed TD-OFCDM Broadband Packet Wireless Access in Forward Link Employing Multi-Level Modulation and Hybrid ARQ
Hiroyuki ATARASHI Sadayuki ABETA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/07/01
Vol. E84-A  No. 7 ; pp. 1670-1680
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
broadband packet wireless accessforward linkTD-OFCDMmulti-level modulationhybrid ARQ
 Summary | Full Text:PDF(2.1MB)

Performance of Coherent Multi-Carrier/DS-CDMA and MC-CDMA for Broadband Packet Wireless Access
Sadayuki ABETA Hiroyuki ATARASHI Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/03/01
Vol. E84-B  No. 3 ; pp. 406-414
Type of Manuscript:  Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21st Century)
Category: 
Keyword: 
broadband packet wireless accesssingle-carrier/DS-CDMAmulti-carrier/DS-CDMAmulticarrier CDMA
 Summary | Full Text:PDF(1.1MB)