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| 2011 | ||
|---|---|---|
| 76 | Kiichi Tateishi, Kenichi Higuchi: Adaptive amplify-and-forward relaying for cellular downlink. ISWCS 2011: 700-704 | |
| 75 | Yasuyuki Hasegawa, Kenichi Higuchi: Bi-Directional Signal Detection and Decoding for Hybrid ARQ Using Superposition Coding. VTC Fall 2011: 1-5 | |
| 74 | Tomohiro Takeda, Kenichi Higuchi: Enhanced User Fairness Using Non-Orthogonal Access with SIC in Cellular Uplink. VTC Fall 2011: 1-5 | |
| 73 | Yuki Tajika, Kenichi Higuchi, Hidekazu Taoka: Muting-Based Partially Non-Orthogonal Block Diagonalization in Multiuser MIMO with Limited Channel State Information Feedback. VTC Fall 2011: 1-5 | |
| 72 | Ryosuke Kimura, Yuki Tajika, Kenichi Higuchi: CF-Based Adaptive PAPR Reduction Method for Block Diagonalization-Based Multiuser MIMO-OFDM Signals. VTC Spring 2011: 1-5 | |
| 71 | Shota Yoshimura, Kenichi Higuchi: Channel-Dependent Adaptive Spreading Code Selection in Downlink MC-CDMA. VTC Spring 2011: 1-5 | |
| 70 | Kentaro Ogawa, Kenichi Higuchi, Shinichiro Chaki: Fault Recovery Performance Analysis of Functionally Distributed Transport Networking System. Intelligent Networking, Collaborative Systems and Applications 2011: 281-295 | |
| 69 | Kouji Nagatomi, Hiroyuki Kawai, Kenichi Higuchi: Complexity-Reduced MLD Based on QR Decomposition in OFDM MIMO Multiplexing with Frequency Domain Spreading and Code Multiplexing. EURASIP J. Adv. Sig. Proc. 2011: (2011) | |
| 68 | Yuki Tajika, Hidekazu Taoka, Kenichi Higuchi: Partially Non-orthogonal Block Diagonalization-Based Precoding in Downlink Multiuser MIMO with Limited Channel State Information Feedback. IEICE Transactions 94-B(12): 3280-3288 (2011) | |
| 2010 | ||
| 67 | Yuanliang Huang, Kenichi Higuchi, Mamoru Sawahashi: Multiple-Encoder Layered Space-Time-Frequency Architecture with QRM-MLD Detection. ICC 2010: 1-5 | |
| 66 | Yuki Tajika, Ryosuke Kimura, Masahiro Watanabe, Kenichi Higuchi: Partially non-orthogonal block diagonalization-based precoding in multiuser MIMO with limited channel state information feedbacks. PIMRC 2010: 449-454 | |
| 65 | Yoshinari Sato, Masao Iwasaki, Kenichi Higuchi: CF-Based Adaptive PAPR Reduction Method for Precoded MIMO-OFDM Signals in Frequency-Selective Faded Channel. VTC Fall 2010: 1-5 | |
| 64 | Koichi Tahara, Kenichi Higuchi: Frequency-Domain Punctured Turbo Codes. VTC Fall 2010: 1-5 | |
| 63 | Masao Iwasaki, Kenichi Higuchi: Clipping and Filtering-Based PAPR Reduction Method for Precoded OFDM-MIMO Signals. VTC Spring 2010: 1-5 | |
| 62 | Fuminori Takahashi, Kenichi Higuchi: HARQ for Predetermined-Rate Multicast Channel. VTC Spring 2010: 1-5 | |
| 61 | Hiroyuki Kawai, Akihito Morimoto, Kenichi Higuchi, Mamoru Sawahashi: Investigation of Inter-Node B Macro Diversity for Single-Carrier Based Radio Access in Evolved UTRA Uplink. IEICE Transactions 93-B(1): 125-134 (2010) | |
| 2009 | ||
| 60 | Kentaro Ogawa, Kenichi Higuchi, Shinichiro Chaki: Fault Management in Functionally Distributed Transport Networking for Large Scale Networks. INCoS 2009: 378-382 | |
| 59 | Nobuhiko Miki, Hiroyuki Kawai, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi, Hiroyuki Matsuno, Hiroyuki Nagasaka: MLD Based MIMO-OFDM Demodulation and Decoding LSI with Low Power Consumption for Release 8 LTE. VTC Fall 2009: 0- | |
| 58 | Akihito Morimoto, Motohiro Tanno, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Investigation on Optimum Radio Link Connection Using Remote Radio Equipment in Heterogeneous Network for LTE-Advanced. VTC Spring 2009 | |
| 57 | Kazuaki Takeda, Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi: Investigation on Optimum Radio Parameter Design in Layered OFDMA for LTE-Advanced. VTC Spring 2009 | |
| 56 | Kouji Nagatomi, Kenichi Higuchi, Hiroyuki Kawai: Complexity reduced MLD based on QR decomposition in OFDM MIMO multiplexing with frequency domain spreading and code multiplexing. WCNC 2009: 676-681 | |
| 55 | Kenichi Higuchi, Hiroyuki Kawai, Hidekazu Taoka, Noriyuki Maeda, Mamoru Sawahashi: Adaptive Selection of Surviving Symbol Replica Candidates for Quasi-Maximum Likelihood Detection Using M-Algorithm with QR-Decomposition for OFDM MIMO Multiplexing. IEICE Transactions 92-B(4): 1258-1271 (2009) | |
| 54 | Naoto Okubo, Nobuhiko Miki, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Performance Comparison between Turbo Code and Rate-Compatible LDPC Code for Evolved UTRA Downlink OFDM Radio Access. IEICE Transactions 92-B(5): 1504-1515 (2009) | |
| 53 | Nobuhiko Miki, Hiroyuki Atarashi, Kenichi Higuchi, Mamoru Sawahashi, Masao Nakagawa: Experimental Evaluation of Time Diversity Effect in Hybrid ARQ Considering Space and Path Diversity for Downlink OFDM-Based Broadband Radio Access. IEICE Transactions 92-B(5): 1516-1526 (2009) | |
| 52 | Nobuhiko Miki, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi, Masao Nakagawa: Optimum Adaptive Modulation and Channel Coding Scheme for Frequency Domain Channel-Dependent Scheduling in OFDM Based Evolved UTRA Downlink. IEICE Transactions 92-B(5): 1527-1537 (2009) | |
| 51 | Takashi Isogai, Mamoru Sawahashi, Hidekazu Taoka, Kenichi Higuchi: Influence of Channel Estimation Error on MIMO Multiplexing Using Precoding in Downlink OFDM Radio Access. IEICE Transactions 92-B(5): 1553-1562 (2009) | |
| 50 | Hidekazu Taoka, Akihito Morimoto, Hiroyuki Kawai, Kenichi Higuchi, Mamoru Sawahashi: Coverage Performance of Common/Shared Control Signals Using Transmit Diversity in Evolved UTRA Downlink. IEICE Transactions 92-B(5): 1589-1599 (2009) | |
| 49 | Satoshi Nagata, Motohiro Tanno, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Cell Search Time Comparison Using Hierarchical and Non-hierarchical Synchronization Channels in OFDM Based Evolved UTRA Downlink. IEICE Transactions 92-B(5): 1608-1618 (2009) | |
| 48 | Daisuke Nishikawa, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Investigation on Optimum Control Interval for Intra-Cell Fractional TPC Using AMC for Shared Channel in Evolved UTRA Uplink. IEICE Transactions 92-B(5): 1627-1633 (2009) | |
| 47 | Daisuke Nishikawa, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Investigation of Inter-Cell Transmission Power Control Using Overload Indicator for Selected Users for Evolved UTRA Uplink. IEICE Transactions 92-B(5): 1634-1640 (2009) | |
| 46 | Akihito Morimoto, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi: Performance Evaluations of MBMS Signals Using Transmit/Receiver Diversity with SFN in OFDM Based Evolved UTRA Downlink. IEICE Transactions 92-B(5): 1649-1659 (2009) | |
| 45 | Satoshi Nagata, Yoshiaki Ofuji, Yoshihisa Kishiyama, Nobuhiko Miki, Kenichi Higuchi, Mamoru Sawahashi: Block-Wise Resource Block-Level Distributed Transmission for Shared Data Channel in OFDMA Evolved UTRA Downlink. IEICE Transactions 92-B(5): 1660-1668 (2009) | |
| 44 | Hidekazu Taoka, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Comparisons between Common and Dedicated Reference Signals for MIMO Multiplexing Using Precoding in Evolved UTRA Downlink. IEICE Transactions 92-B(5): 1669-1679 (2009) | |
| 43 | Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Investigations on Physical Random Access Channel Structure in Evolved UTRA Uplink. IEICE Transactions 92-B(5): 1688-1694 (2009) | |
| 42 | Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Single-Carrier Based Multiplexing of Layer 1/Layer 2 Control Signals in Evolved UTRA Uplink Using DFT-Spread OFDM. IEICE Transactions 92-B(5): 1695-1704 (2009) | |
| 41 | Shohei Tsuchida, Mamoru Sawahashi, Hidekazu Taoka, Kenichi Higuchi: Field Experiments on Open-Loop Type Transmit Diversity in OFDM Radio Access. IEICE Transactions 92-B(5): 1705-1713 (2009) | |
| 40 | Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi: Field Experiments on Real-Time 1-Gbps High-Speed Packet Transmission in MIMO-OFDM Broadband Packet Radio Access. IEICE Transactions 92-B(5): 1725-1734 (2009) | |
| 39 | Motohiro Tanno, Akihito Morimoto, Kenichi Higuchi, Mamoru Sawahashi: Experiments on Handover Using Combination of Bicast and Forwarding of IP Packet for Future IP-Based RANs. IEICE Transactions 92-B(5): 1735-1742 (2009) | |
| 38 | Motohiro Tanno, Yoshihisa Kishiyama, Hidekazu Taoka, Nobuhiko Miki, Kenichi Higuchi, Mamoru Sawahashi: Layered OFDMA and Its Radio Access Techniques for LTE-Advanced. IEICE Transactions 92-B(5): 1743-1750 (2009) | |
| 2008 | ||
| 37 | Motohiro Tanno, Yoshihisa Kishiyama, Hidekazu Taoka, Nobuhiko Miki, Kenichi Higuchi, Mamoru Sawahashi: Layered OFDMA Radio Access for IMT-Advanced. VTC Fall 2008: 1-6 | |
| 36 | Jingxiu Liu, Xiaoming She, Lan Chen, Hidekazu Taoka, Kenichi Higuchi: Multi-Degree Adaptive Cyclic Delay Diversity with Multi-User Scheduling. VTC Spring 2008: 1181-1185 | |
| 35 | Hidekazu Taoka, Ki Dai, Kenichi Higuchi, Mamoru Sawahashi: Field Experiments on MIMO Multiplexing with Peak Frequency Efficiency of 50 Bit/Second/Hz Using MLD Based Signal Detection for OFDM High-Speed Packet Access. IEEE Journal on Selected Areas in Communications 26(6): 845-856 (2008) | |
| 34 | Xiaoming She, Jingxiu Liu, Lan Chen, Hidekazu Taoka, Kenichi Higuchi: Multi-Codebook Based Beamforming and Scheduling for MIMO-OFDM Systems with Limited Feedback. IEICE Transactions 91-B(11): 3745-3748 (2008) | |
| 33 | Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Orthogonal Pilot Channel Using Combination of FDMA and CDMA in Single-Carrier FDMA-Based Evolved UTRA Uplink. IEICE Transactions 91-B(7): 2299-2309 (2008) | |
| 2007 | ||
| 32 | Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi: Investigations on Synchronization Channel Sequences in OFDM Based Evolved UTRA Downlink. VTC Fall 2007: 1390-1395 | |
| 31 | Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi: Cell Search Time Comparison Using Hierarchical and Non-Hierarchical Synchronization Channels in OFDM Based Evolved UTRA Downlink. VTC Spring 2007: 1239-1244 | |
| 30 | Yuanliang Huang, Jiangzhou Wang, Kenichi Higuchi: A Novel Layered Space-Time-Frequency Architecture with Convolutional Coding. VTC Spring 2007: 1816-1820 | |
| 29 | Yoshiaki Ofuji, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Group-Wised Reference Signal Allocation for Single-Carrier FDMA Radio Access in Evolved UTRA Uplink. VTC Spring 2007: 1871-1875 | |
| 28 | Hidekazu Taoka, Ki Dai, Kenichi Higuchi, Mamoru Sawahashi: Field Experiments on Ultimate Frequency Efficiency Exceeding 30 Bit/Second/Hz Using MLD Signal Detection in MIMO-OFDM Broadband Packet Radio Access. VTC Spring 2007: 2129-2134 | |
| 27 | Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Layer 1 / Layer 2 Control Channel Structure in Single-Carrier FDMA Based Evolved UTRA Uplink. VTC Spring 2007: 2941-2945 | |
| 26 | Motohiro Tanno, Satoshi Nagata, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Physical Channel Structures and Cell Search Method for Scalable Bandwidth for OFDM Radio Access in Evolved UTRA Downlink. WCNC 2007: 1506-1511 | |
| 25 | Nobuhiko Miki, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Optimum Adaptive Modulation and Channel Coding Scheme for Frequency Domain Channel-Dependent Scheduling in OFDM Based Evolved UTRA Downlink. WCNC 2007: 1783-1788 | |
| 24 | Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Orthogonal Pilot Channel Using Combination of FDMA and CDMA in Single-Carrier FDMA-Based Evolved UTRA Uplink. WCNC 2007: 2403-2408 | |
| 23 | Yuanliang Huang, Jiangzhou Wang, Kenichi Higuchi, Mamoru Sawahashi: Iterative Signal Processing for Coded LSTF Architectures. IEEE Transactions on Wireless Communications 6(10): 3712-3716 (2007) | |
| 22 | Motohiro Tanno, Kenichi Higuchi, Satoshi Nagata, Yoshihisa Kishiyama, Mamoru Sawahashi: Physical Channel Structures and Cell Search Method for Scalable Bandwidth for OFDM Radio Access in Evolved UTRA Downlink. IEICE Transactions 90-B(12): 3622-3631 (2007) | |
| 21 | Seizo Onoe, Takehiro Nakamura, Kenichi Higuchi: 3G evolution scenario toward 4G: Super 3G concept. Wireless Communications and Mobile Computing 7(8): 1013-1019 (2007) | |
| 2006 | ||
| 20 | Zhengang Pan, Jingxiu Liu, Lan Chen, Kenichi Higuchi, Mamoru Sawahashi: Multi-degree Random Cyclic Delay Diversity in MISO Systems with Frequency-Domain Scheduling. APCCAS 2006: 131-134 | |
| 19 | Sumei Sun, Yongmei Dai, Zhongding Lei, Kenichi Higuchi, Hiroyuki Kawai: Pseudo-Inverse MMSE Based QRD-M Algorithm for MIMO OFDM. VTC Spring 2006: 1545-1549 | |
| 18 | Akihito Morimoto, Kenichi Higuchi, Mamoru Sawahashi: Performance Comparison Between Fast Sector Selection and Simultaneous Transmission with Soft-Combining for Intra-Node B Macro Diversity in Downlink OFDM Radio Access. VTC Spring 2006: 157-161 | |
| 17 | Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi: Field Experiments on Real-Time 1-Gbps High-Speed Packet Transmission in MIMO-OFDM Broadband Packet Radio Access. VTC Spring 2006: 1812-1816 | |
| 16 | Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi: Intra-Node B Orthogonal Pilot Channel Structure for OFDM Radio Access in Evolved UTRA Downlink. VTC Spring 2006: 201-205 | |
| 15 | Satoshi Nagata, Yoshiaki Ofuji, Kenichi Higuchi, Mamoru Sawahashi: Optimum Resource Block Bandwidth for Frequency Domain Channel-Dependent Scheduling in Evolved UTRA Downlink OFDM Radio Access. VTC Spring 2006: 206-210 | |
| 14 | Yoshiaki Ofuji, Kenichi Higuchi, Mamoru Sawahashi: Frequency Domain Channel-Dependent Scheduling Employing an Adaptive Transmission Bandwidth for Pilot Channel in Uplink Single-Carrier-FDMA Radio Access. VTC Spring 2006: 334-338 | |
| 13 | Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi: Special Issue on MC-SS Experiments on space diversity effect in MIMO channel transmission with maximum data rate of 1 Gbps in downlink OFDM radio access. European Transactions on Telecommunications 17(6): 611-622 (2006) | |
| 12 | Hiroyuki Kawai, Kenichi Higuchi, Noriyuki Maeda, Mamoru Sawahashi: Adaptive control of surviving symbol replica candidates in QRM-MLD for OFDM MIMO multiplexing. IEEE Journal on Selected Areas in Communications 24(6): 1130-1140 (2006) | |
| 11 | Kenichi Higuchi, Hiroyuki Kawai, Noriyuki Maeda, Hidekazu Taoka, Mamoru Sawahashi: Experiments on real-time 1-Gb/s packet transmission using MLD-based signal detection in MIMO-OFDM broadband radio access. IEEE Journal on Selected Areas in Communications 24(6): 1141-1153 (2006) | |
| 2005 | ||
| 10 | Motohiro Tanno, Hiroyuki Atarashi, Kenichi Higuchi, Mamoru Sawahashi: Fast Cell Search Algorithm for Overlay System with Cellular and Isolated Cells in Forward Link for OFCDM Broadband Wireless Access. IEICE Transactions 88-B(1): 159-169 (2005) | |
| 9 | Hiroyuki Kawai, Kenichi Higuchi, Noriyuki Maeda, Mamoru Sawahashi, Takumi Ito, Yoshikazu Kakura, Akihisa Ushirokawa, Hiroyuki Seki: Likelihood Function for QRM-MLD Suitable for Soft-Decision Turbo Decoding and Its Performance for OFCDM MIMO Multiplexing in Multipath Fading Channel. IEICE Transactions 88-B(1): 47-57 (2005) | |
| 8 | Yoshihisa Kishiyama, Noriyuki Maeda, Kenichi Higuchi, Hiroyuki Atarashi, Mamoru Sawahashi: Field Experiments on Throughput Performance above 100 Mbps in Forward Link for VSF-OFCDM Broadband Wireless Access. IEICE Transactions 88-B(2): 604-614 (2005) | |
| 2004 | ||
| 7 | Shingo Suwa, Nobuhiko Miki, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi: Field experiments on low-rate turbo coding and soft-decision decoding for broadband packet DS-CDMA wireless access in reverse link. PIMRC 2004: 1100-1105 | |
| 6 | Kenichi Higuchi, Hiroyuki Kawai, Noriyuki Maeda, Mamoru Sawahashi, Takumi Ito, Yoshikazu Kakura, Akihisa Ushirokawa, Hiroyuki Seki: Likelihood function for QRM-MLD suitable for soft-decision turbo decoding and its performance for OFCDM MIMO multiplexing in multipath fading channel. PIMRC 2004: 1142-1148 | |
| 5 | Takashi Kataoka, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi: Field experiments on adaptive antenna array-beam forming with simultaneous path timing and its DOA estimations employing directive-beam reception for broadband CDMA packet access in reverse link. PIMRC 2004: 1257-1262 | |
| 4 | Noriyuki Maeda, Kenichi Higuchi, Junichiro Kawamoto, Mamoru Sawahashi, Masayuki Kimata, Shousei Yoshida: QRM-MLD combined with MMSE-based multipath interference canceller for MIMO multiplexing in broadband DS-CDMA. PIMRC 2004: 1741-1746 | |
| 3 | Motohiro Tanno, Kenichi Higuchi, Hiroyuki Atarashi, Mamoru Sawahashi: Experiments on three-step fast cell search algorithm employing common pilot channel for OFCDM broadband packet wireless access in forward link. VTC Fall (2) 2004: 968-973 | |
| 2001 | ||
| 2 | Mamoru Sawahashi, Kenichi Higuchi, S. Tanaka, F. Adachi: Improvements in W-CDMA: principles and experimental results. Annales des Télécommunications 56(5-6): 236-259 (2001) | |
| 2000 | ||
| 1 | Kenichi Higuchi, Hidehiro Andoh, Koichi Okawa, Mamoru Sawahashi, Fumiyuki Adachi: Experimental evaluation of combined effect of coherent RAKE combining and SIR-based fast transmit power control for reverse link of DS-CDMA mobile radio. IEEE Journal on Selected Areas in Communications 18(8): 1526-1535 (2000) | |
Colors in the list of coauthors
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