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Sadayuki ABETA

Performance Evaluation of LTE-Advanced Heterogeneous Network Deployment Using Carrier Aggregation between Macro and Small Cells Takahiro TAKIGUCHI Kohei KIYOSHIMA Yuta SAGAE Kengo YAGYU Hiroyuki ATARASHI Sadayuki ABETA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/06/01 Vol. E96-B No. 6 pp. 1297-1305 Type of Manuscript: Special Section PAPER (Special Section on Heterogeneous Networks for Future Cellular Systems) Category: Keyword: LTE-Advanced (LTE-A), carrier aggregation, heterogeneous network, small cell,
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Field and Indoor Experimental Results of E-UTRA Uplink Naoto OKUBO Yoshiaki OFUJI Sadayuki ABETA Takehiro NAKAMURA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/05/01 Vol. E92-B No. 5 pp. 1714-1724 Type of Manuscript: Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution) Category: Keyword: Evolved UTRA uplink, AMC, TPC, variable RB allocation,
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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: OFCDM, hybrid ARQ, incremental redundancy, Chase combining,
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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 access, OFCDM, cell selection, hard handover, shadowing,
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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 scheduling, OFCDM, QoS, delay,
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Multipath Interference Canceller Employing Multipath Interference Replica Generation with Previously Transmitted Packet Combining for Incremental Redundancy in HSDPA Nobuhiko MIKI Sadayuki ABETA Hiroyuki ATARASHI Mamoru SAWAHASHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/01/01 Vol. E86-B No. 1 pp. 142-153 Type of Manuscript: Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications) Category: Keyword: multipath interference canceller, hybrid ARQ, soft-decision, high-speed downlink packet access,
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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 access, forward link, QoS control, HARQ, adaptive modulation and channel coding,
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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 access, OFCDM, OFDM, variable spreading factor, VSF-OFCDM,
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Comparison of Packet Scheduling Algorithms Focusing on User Throughput in High Speed Downlink Packet Access Yoshiaki OFUJI Sadayuki ABETA Mamoru SAWAHASHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/01/01 Vol. E86-B No. 1 pp. 132-141 Type of Manuscript: Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications) Category: Keyword: packet scheduling, HSDPA, user throughput, coverage,
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Performance of Fast Cell Selection Coupled with Fast Packet Scheduling in High-Speed Downlink Packet Access Akihito MORIMOTO Sadayuki ABETA Mamoru SAWAHASHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/10/01 Vol. E85-B No. 10 pp. 2021-2031 Type of Manuscript: Special Section PAPER (Special Issue on Mobile Multimedia Communications) Category: Keyword: mobile radio, high-speed downlink packet access, handover, fast cell selection, packet scheduling,
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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 access, forward link, OFCDM, antenna 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 access, forward link, OFCDM, pilot channel assisted MMSE combining,
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Comparison of Hybrid ARQ Packet Combining Algorithm in High Speed Downlink Packet Access in a Multipath Fading Channel Nobuhiko MIKI 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. 1557-1568 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: hybrid ARQ, adaptive modulation and coding, multipath interference canceller, high speed downlink packet access,
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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 access, reverse link, multicarrier/DS-CDMA, optimum bandwidth,
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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 access, forward link, TD-OFCDM, multi-level modulation, hybrid ARQ,
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Comparison of Hybrid ARQ Schemes and Optimization of Key Parameters for High-Speed Packet Transmission in W-CDMA Forward Link Nobuhiko MIKI 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. 1681-1690 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: mobile radio, W-CDMA, high-speed downlink packet access, hybrid ARQ,
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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 21^st Century) Category: Keyword: broadband packet wireless access, single-carrier/DS-CDMA, multi-carrier/DS-CDMA, multicarrier CDMA,
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Adaptive Channel Estimation for Coherent DS-CDMA Mobile Radio Using Time-Multiplexed Pilot and Parallel Pilot Structures Sadayuki ABETA Mamoru SAWAHASHI Fumiyuki ADACHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/09/20 Vol. E82-B No. 9 pp. 1505-1513 Type of Manuscript: PAPER Category: Mobile Communication Keyword: adaptive channel estimation, DS/CDMA, pilot channel, coherent RAKE,
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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: 1998/07/20 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-CDMA, channel estimation, pilot channel, transmitter power control,
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Adaptive Coding Rate and Process Gain Control with Channel Activation for Multi-Media DS/CDMA Systems Sadayuki ABETA Seiichi SAMPEI Norihiko MORINAGA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/04/20 Vol. E80-B No. 4 pp. 581-588 Type of Manuscript: PAPER Category: Radio Communication Keyword: DS/CDMA, channel activation, soft power control, adaptive modulation,
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