IEICE SEARCH SYSTEM

Kiyomichi ARAKI

An Efficient Relay Placement Method with Power Allocation for MIMO Two-Way Multi-Hop Networks Gia Khanh TRAN Rindranirina RAMAMONJISON Kei SAKAGUCHI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/05/01 Vol. E96-B No. 5 pp. 1176-1186 Type of Manuscript: PAPER Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: multi-hop, two-way relay, node placement, power allocation, geometric programming, convex optimization, MIMO, interference cancellation, SINR balancing, QoS constrained optimization,
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Distributed Power Control Network and Green Building Test-Bed for Demand Response in Smart Grid Kei SAKAGUCHI Van Ky NGUYEN Yu TAO Gia Khanh TRAN Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2013/05/01 Vol. E96-A No. 5 pp. 896-907 Type of Manuscript: Special Section PAPER (Special Section on Networked Control Systems: Theories & Applications) Category: Keyword: smart grid, hierarchical power control network, distributed control algorithm, demand response, communication latency, IEEE802.15.4g,
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Performance Comparison between Open Loop and Closed Loop MIMO-OFDM Schemes Using Analytical Approach Minjee KIM Gia Khanh TRAN Kei SAKAGUCHI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/11/01 Vol. E95-B No. 11 pp. 3498-3508 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MIMO-OFDM, CSI, closed loop, open loop, STBC, Interleaver, UE velocity,
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Optimal Low Noise Single Front-End MIMO Receiver System with Parasitic Antenna Element Jaeho JEONG Gia Khanh TRAN Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/10/01 Vol. E95-C No. 10 pp. 1620-1626 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies) Category: Keyword: single front-end, parasitic antenna element, low noise receiver, MIMO,
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Design of a Direct Sampling Mixer with a Complex Coefficient Transfer Function Yohei MORISHITA Noriaki SAITO Koji TAKINAMI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/06/01 Vol. E95-C No. 6 pp. 999-1007 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: attenuation pole, Charge Domain Filter (CDF), complex filter, Direct Sampling Mixer (DSM), discrete time systems, Image Rejection Mixer (IRM), IIR filters, reconfigurable architectures,
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Prototype Hardware for TDD Two-Way Multi-Hop Relay Network Using MIMO Network Coding Keiichi MIZUTANI Takehiro MIYAMOTO Kei SAKAGUCHI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/05/01 Vol. E95-B No. 5 pp. 1738-1750 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: TDD, MIMO, two-way multi-hop relay network, MIMO network coding, network synchronization, prototype hardware, 950 MHz band,
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Performance Analysis of MIMO Relay Network via Propagation Measurement in L-Shaped Corridor Environment Namzilp LERTWIRAM Gia Khanh TRAN Keiichi MIZUTANI Kei SAKAGUCHI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/04/01 Vol. E95-B No. 4 pp. 1345-1356 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: MIMO relay network, propagation measurement, two-way relay, cooperative relay, relay location,
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Study on Resource Optimization for Heterogeneous Networks Gia Khanh TRAN Shinichi TAJIMA Rindranirina RAMAMONJISON Kei SAKAGUCHI Kiyomichi ARAKI Shoji KANEKO Noriaki MIYAZAKI Satoshi KONISHI Yoji KISHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/04/01 Vol. E95-B No. 4 pp. 1198-1207 Type of Manuscript: Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011) Category: Keyword: heterogeneous network, spectrum allocation, power allocation, cell range expansion, spectral efficiency,
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Design of Predistorter with Efficient Updating Algorithm of Power Amplifier with Memory Effect Yasuyuki OISHI Shigekazu KIMURA Eisuke FUKUDA Takeshi TAKANO Daisuke TAKAGO Yoshimasa DAIDO Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/03/01 Vol. E95-C No. 3 pp. 382-394 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: power amplifier, IMD measurement, memory effect, bias impedance, predistorter,
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Single Front-End MIMO Architecture with Parasitic Antenna Elements Mitsuteru YOSHIDA Kei SAKAGUCHI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/03/01 Vol. E95-B No. 3 pp. 882-888 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: single front-end architecture, parasitic antenna elements, MIMO, equal gain combining,
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Dynamic Fractional Base Station Cooperation Using Shared Distributed Remote Radio Units for Advanced Cellular Networks Naoki KUSASHIMA Ian Dexter GARCIA Kei SAKAGUCHI Kiyomichi ARAKI Shoji KANEKO Yoji KISHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/12/01 Vol. E94-B No. 12 pp. 3259-3271 Type of Manuscript: Special Section PAPER (Special Section on Cooperative Communications for Cellular Networks) Category: Keyword: cellular network, MIMO transmission, fractional base station cooperation, adaptive clustering, coordinated scheduling,
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Simplified Block Diagonalization for Multiuser MIMO Systems with Gram-Schmidt Orthogonalization Yuyuan CHANG Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/11/01 Vol. E94-A No. 11 pp. 2263-2270 Type of Manuscript: Special Section PAPER (Special Section on Smart Multimedia & Communication Systems) Category: Communication Theory and Signals Keyword: MIMO, multiuser MIMO, block diagonalization, simplification, Gram-Schmidt orthogonalization, downlink,
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Performance Analysis of a 10-Gb/s Millimeter-Wave Impulse Radio Transmitter Yasuhiro NAKASHA Naoki HARA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/10/01 Vol. E94-C No. 10 pp. 1557-1564 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology) Category: Active Devices and Circuits Keyword: impulse radio, millimeter-wave, pulse generator, band-pass filter, jitter, intersymbol interference,
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Simplified Capacity-Based User Scheduling Algorithm for Multiuser MIMO Systems with Block Diagonalization Yuyuan CHANG Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/10/01 Vol. E94-B No. 10 pp. 2837-2846 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MIMO, multiuser diversity, block diagonalization, user scheduling algorithm, simplification, Gram-schmidt orthogonalization,
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Iterative Determination of Phase Reference in IMD Measurement to Characterize Nonlinear Behavior, and to Derive Inverse, for Power Amplifier with Memory Effect Yasuyuki OISHI Shigekazu KIMURA Eisuke FUKUDA Takeshi TAKANO Yoshimasa DAIDO Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/10/01 Vol. E94-C No. 10 pp. 1515-1523 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology) Category: Active Devices and Circuits Keyword: power amplifier, IMD measurement, memory effect, bias impedance, predistorter,
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A Low-Noise, High-Gain Quasi-Millimeter-Wave Receiver MMIC with a Very High Degree of Integration Using 3D-MMIC Technology Takana KAHO Yo YAMAGUCHI Kazuhiro UEHARA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/10/01 Vol. E94-C No. 10 pp. 1548-1556 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology) Category: Active Devices and Circuits Keyword: receiver, low noise, 3D-MMIC, fixed wireless access (FWA) system,
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Detailed Analysis of Multilayer Broad-Side Coupler with a Symmetric Structure Hiroshi OKAZAKI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/08/01 Vol. E94-C No. 8 pp. 1253-1261 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: broad-side couplers, coupled transmission lines, multilayer MMIC, symmetric structure,
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The Gaussian MIMO Broadcast Channel under Receive Power Protection Constraints Ian Dexter GARCIA Kei SAKAGUCHI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/12/01 Vol. E93-B No. 12 pp. 3448-3460 Type of Manuscript: Special Section PAPER (Special Section on Wireless Distributed Networks) Category: Keyword: MIMO systems, broadcast channels, capacity region, precoding, Lagrangian duality, dirty paper coding, wireless distributed network, spectrum sharing, cognitive radio,
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Effect of Power Allocation Schemes on MIMO Two-Way Multi-Hop Network Jonghyun LEE Gia Khanh TRAN Kei SAKAGUCHI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/12/01 Vol. E93-B No. 12 pp. 3362-3370 Type of Manuscript: Special Section PAPER (Special Section on Wireless Distributed Networks) Category: Keyword: MIMO two-way multi-hop network, power allocation, eigenvector based power allocation (EPA), optimal power allocation (OPA), distributed power allocation (DPA),
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Efficient Method to Measure IMD of Power Amplifier with Simplified Phase Determination Procedure to Clarify Memory Effect Origins Takeshi TAKANO Yasuyuki OHISHI Shigekazu KIMURA Michiharu NAKAMURA Kazuo NAGATANI Eisuke FUKUDA Yoshimasa DAIDO Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/07/01 Vol. E93-C No. 7 pp. 991-999 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies) Category: Keyword: power amplifier, IMD measurement, memory effect, bias impedance, even order nonlinearity,
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An Analysis of Multi-Layer Inductors for Miniaturizing of GaAs MMIC Yo YAMAGUCHI Takana KAHO Motoharu SASAKI Kenjiro NISHIKAWA Tomohiro SEKI Tadao NAKAGAWA Kazuhiro UEHARA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/07/01 Vol. E93-C No. 7 pp. 1119-1125 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies) Category: Keyword: multi-layer inductor, stacked inductor, three-dimensional MMIC, GaAs,
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A Novel Predistorter Design for Nonlinear Power Amplifier with Memory Effects in OFDM Communication Systems Using Orthogonal Polynomials Yitao ZHANG Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/07/01 Vol. E93-C No. 7 pp. 983-990 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies) Category: Keyword: power amplifier, nonlinear distortions, memory effects, predistorter, orthogonal polynomials, complex Gaussian distributed, orthogonal frequency division multiplexing (OFDM),
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Performance Analysis of MIMO Schemes in Residential Home Environment via Wideband MIMO Propagation Measurement Gia Khanh TRAN Nguyen Dung DAO Kei SAKAGUCHI Kiyomichi ARAKI Hiroshi IWAI Tsutomu SAKATA Koichi OGAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/04/01 Vol. E93-A No. 4 pp. 814-829 Type of Manuscript: PAPER Category: Communication Theory and Signals Keyword: MIMO-OFDM, wideband MIMO channel measurement, residential home environment, throughput performance evaluation,
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A Unified Distortion Analysis of Nonlinear Power Amplifiers with Memory Effects for OFDM Signals Yitao ZHANG Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/04/01 Vol. E93-C No. 4 pp. 489-496 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword: nonlinear power amplifiers, memory effects, spectral regrowth, adjacent channel power leakage power ratio (ACPR), error vector magnitude (EVM), orthogonal frequency-division multiplexing (OFDM), complex Gaussian distribution,
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Topology Design and Performance Evaluation of Wireless Sensor Network Based on MIMO Channel Capacity Ky LENG Kei SAKAGUCHI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/01/01 Vol. E93-B No. 1 pp. 22-28 Type of Manuscript: PAPER Category: Network Keyword: WSN, MIMO relay network, topology design, relay position,
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2D MIMO Network Coding with Inter-Route Interference Cancellation Gia Khanh TRAN Kei SAKAGUCHI Fumie ONO Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/12/01 Vol. E92-B No. 12 pp. 3665-3675 Type of Manuscript: Special Section PAPER (Special Section on Dynamic Spectrum Access) Category: MIMO Mesh Network Keyword: MIMO, mesh network, network coding, cooperative beamforming, inter-route interference cancellation,
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Performance Evaluation of Wireless Sensor Network Based on MIMO Relaying Channel Capacity KY LENG Kei SAKAGUCHI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/10/01 Vol. E92-B No. 10 pp. 3166-3173 Type of Manuscript: PAPER Category: Network Keyword: WSN, MIMO relay network, relay position, AF, DF, spatial correlation,
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Capacity Analysis of MIMO Rayleigh Channel with Spatial Fading Correlation Ha Duyen TRUNG Watit BENJAPOLAKUL Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/10/01 Vol. E91-A No. 10 pp. 2818-2826 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Communication Theory Keyword: ergodic capacity, fading channels, multiple-input multiple-output (MIMO) systems, spatial correlation,
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On Generalized Feistel Structures Using the Diffusion Switching Mechanism Taizo SHIRAI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/08/01 Vol. E91-A No. 8 pp. 2120-2129 Type of Manuscript: PAPER Category: Cryptography and Information Security Keyword: blockcipher, diffusion switching mechanism, generalized feistel structure,
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Multi-Channel Multi-Stage Transmultiplexing Digital Down Converter and Its Application to RFID (ISO18000-3 mode 2) Reader/Writer Yuichi NAKAGAWA Kei SAKAGUCHI Hideki KAWAMURA Kyoji OHASHI Masahiro MURAGUCHI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/01/01 Vol. E91-B No. 1 pp. 139-146 Type of Manuscript: Special Section PAPER (Special Section on Cognitive Radio and Spectrum Sharing Technology) Category: Enabling Technology Keyword: multi-channel multi-stage transmultiplexing digital down converter, software defined radio, RFID, ISO18000-3 mode 2, implementation on FPGA,
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Performance Analysis of the Extended Low Complexity User Scheduling Algorithm over Up-Link Multi-User MIMO OFDMA Systems Junyi WANG Yuyuan CHANG Chuyu ZHENG Kiyomichi ARAKI ZhongZhao ZHANG
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/01/01 Vol. E91-B No. 1 pp. 327-329 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: multi-user MIMO, OFDMA, tree-structure, user scheduling, sum-rate capacity,
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TR-UWB Systems with Pulse-Position Multi-Pulse Modulation for ECC's and Japan's Radiation Masks Jakkrapong SUMETHNAPIS Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/10/01 Vol. E90-B No. 10 pp. 2969-2972 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: UWB, multi-user, TR-UWB, PMM, DMPM,
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Delay Time Error Effect for Various TR-UWB Systems Jakkrapong SUMETHNAPIS Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/10/01 Vol. E90-B No. 10 pp. 2976-2979 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: UWB, TR-UWB, MPM, PMM, delay effect,
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FOREWORD Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2007/09/01 Vol. E90-C No. 9 pp. 1657-1657 Type of Manuscript: FOREWORD Category: Keyword:
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A Game Theoretic Framework for Fair-Efficient Threshold Parameters Selection in Call Admission Control for CDMA Mobile Multimedia Systems Jenjoab VIRAPANICHAROEN Watit BENJAPOLAKUL Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/07/01 Vol. E90-A No. 7 pp. 1280-1291 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: call admission control, game theory, cooperative game, arbitration scheme, CDMA, bargaining problem,
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A Low Complexity Tree-Structure Based User Scheduling Algorithm for Up-Link Multi-User MIMO Systems Junyi WANG Kiyomichi ARAKI Zhongzhao ZHANG Yuyuan CHANG Houtao ZHU Tsuyoshi KASHIMA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/06/01 Vol. E90-B No. 6 pp. 1415-1423 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MIMO, multi-user, tree-structure, user scheduling, sum-rate capacity,
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Development of MIMO-SDR Platform and Its Application to Real-Time Channel Measurements Kei MIZUTANI Kei SAKAGUCHI Jun-ichi TAKADA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/12/01 Vol. E89-B No. 12 pp. 3197-3207 Type of Manuscript: Special Section PAPER (Special Section on Software Defined Radio Technology and Its Applications) Category: Keyword: multiple-input multiple-output (MIMO), software defined radio (SDR), hybrid implementation architecture, real-time channel measurement,
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A Novel Adaptive Linearization Technique for a Balanced-Amplifier Array Takana KAHO Yo YAMAGUCHI Tadao NAKAGAWA Katsuhiko ARAKI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2006/10/01 Vol. E89-C No. 10 pp. 1448-1453 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: adaptive linearization, linearizer, multi-port amplifier, power amplifiers, array antenna,
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Two Low Complexity Receiver Structures for Down-Link OFDMA Systems Junyi WANG Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/08/01 Vol. E89-B No. 8 pp. 2254-2256 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: OFDMA, multi-user, down-link, complexity,
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FOREWORD Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2006/04/01 Vol. E89-C No. 4 pp. 445-445 Type of Manuscript: FOREWORD Category: Keyword:
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Multiple Access in TR-UWB System Using Differential Multi-Pulse Modulation Jakkrapong SUMETHNAPIS Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/04/01 Vol. E89-B No. 4 pp. 1305-1314 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: UWB, Transmit Reference (TR-UWB), DTR-UWB, Multi-Pulse Modulation (MPM), DMPM and SCR,
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Prototype Implementation of Real-Time ML Detectors for Spatial Multiplexing Transmission Toshiaki KOIKE Yukinaga SEKI Hidekazu MURATA Susumu YOSHIDA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/03/01 Vol. E89-B No. 3 pp. 845-852 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: multiple-input multiple-output (MIMO), spatial multiplexing, maximum-likelihood detection (MLD), field programmable gate array (FPGA), real-time MIMO detector,
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Pilot Symbol Aided MAP-Based 3D Channel Estimation for Multi-User MIMO-OFDM Systems Junyi WANG Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/03/01 Vol. E89-B No. 3 pp. 801-808 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MIMO, OFDM, multi-user, channel estimation, MAP,
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QPSK Impulse Signal Transmission for Ultra Wide Band Communication Systems in Multipath Channel Environments Chaiyaporn KHEMAPATAPAN Watit BENJAPOLAKUL Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/11/01 Vol. E88-A No. 11 pp. 3100-3109 Type of Manuscript: Special Section PAPER (Special Section on Wide Band Systems) Category: Keyword: ultra wideband, direct-sequence, time-hopping, QPSK modulation, PPM modulation, multipath channel,
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MIMO Channel Capacity in an Indoor Line-Of-Sight (LOS) Environment Kei SAKAGUCHI Hai-Yeow-Eugene CHUA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/07/01 Vol. E88-B No. 7 pp. 3010-3019 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: MIMO channel capacity, line-of-sight (LOS), antenna correlation, Ricean K factor, measurement experiment,
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Six-Port Direct Conversion Receiver: Novel Calibration for Multi-Port Nonlinear Circuits Atsushi HONDA Kei SAKAGUCHI Jun-ichi TAKADA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/09/01 Vol. E87-C No. 9 pp. 1532-1539 Type of Manuscript: Special Section PAPER (Special Section on Wave Technologies for Wireless and Optical Communications) Category: Components and Devices Keyword: software defined radio, six-port direct conversion receiver, nonlinearity calibration,
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Performance Analysis of MIMO Eigenmode Transmission System under Realistic Channel and System Conditions Seeho TING Kei SAKAGUCHI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/08/01 Vol. E87-B No. 8 pp. 2222-2232 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: MIMO, eigenmode transmission, imperfect channel estimation, delayed quantized feedback, spatial correlation, continuous fading channel,
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A Low Power Programmable Turbo Decoder Macro Using the SOVA Algorithm Hirohisa GAMBE Kazuhisa OHBUCHI Teruo ISHIHARA Takaaki ZAKOJI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/04/01 Vol. E87-C No. 4 pp. 510-519 Type of Manuscript: Special Section PAPER (Special Section on Low-Power System LSI, IP and Related Technologies) Category: Keyword: turbo coding, SOVA, Viterbi algorithm, trace back, MAX-LOG-MAP, sliding window,
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Influence of Frequency Characteristics of RF Circuits in Digital Predistortion Type Linearizer System on Adjacent Channel Leakage Ratio for W-CDMA Power Amplifier Takeshi TAKANO Toru MANIWA Yasuyuki OISHI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/02/01 Vol. E87-A No. 2 pp. 324-329 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics) Category: Keyword: digital predistortion, linearizer, W-CDMA, power amplifier, ACLR,
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ACU and RSM Based Radio Spectrum Management for Realization of Flexible Software Defined Radio World Kei SAKAGUCHI Chih FUNG LAM Tien Dzung DOAN Munkhtur TOGOOCH Jun-ichi TAKADA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/12/01 Vol. E86-B No. 12 pp. 3417-3424 Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications) Category: Keyword: software defined radio (SDR), spectrum management, automatic calibration and certification unit, radio security module, GPS,
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Performance of MUSIC and ESPRIT for Joint Estimation of DOA and Angular Spread in Slow Fading Environment Jung-Sik JEONG Kei SAKAGUCHI Jun-ichi TAKADA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/05/01 Vol. E85-B No. 5 pp. 972-977 Type of Manuscript: Special Section LETTER (Wireless Communications Issue) Category: Keyword: DOA, angular spread, local scattering, MUSIC, ESPRIT,
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A Novel Architecture for MIMO Spatio-Temporal Channel Sounder Kei SAKAGUCHI Jun-ichi TAKADA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2002/03/01 Vol. E85-C No. 3 pp. 436-441 Type of Manuscript: Special Section PAPER (Special Issue on Signals, Systems and Electronics Technology) Category: Digital Transmission Keyword: mobile propagation, channel sounder, MIMO channel response, channel parameter estimation, hardware implementation,
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Optimal Signal Combining Based on DOA and Angular Spread Using Extended Array Mode Vector Jung-Sik JEONG Kei SAKAGUCHI Jun-ichi TAKADA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/11/01 Vol. E84-B No. 11 pp. 3023-3032 Type of Manuscript: PAPER Category: Antenna and Propagation Keyword: DCMP, zero-forcing, signal copy, optimal beamforming, angular spread,
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Generalization of MUSIC Using Extended Array Mode Vector for Joint Estimation of Instantaneous DOA and Angular Spread Jung-Sik JEONG Kei SAKAGUCHI Kiyomichi ARAKI Jun-ichi TAKADA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/07/01 Vol. E84-B No. 7 pp. 1781-1789 Type of Manuscript: Special Section PAPER (Special Issue on Adaptive Array Antenna Techniques for Advanced Wireless Communications) Category: Adaptive Algorithms and Experiments Keyword: array mode vector, spatial signature, angular spread, DOA, MUSIC,
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The Problem of the Fading Model Selection Marcelo Agustin TANEDA Jun-ichi TAKADA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/03/01 Vol. E84-B No. 3 pp. 660-666 Type of Manuscript: PAPER Category: Sensing Keyword: fading models, propagation model, Rayleigh, Rice, Nakagami, Weibull, fading model selection, MDL principle,
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A Ray-Tracing-Based Characterization and Verification of the Spatio-Temporal Channel Model for Future Wideband Wireless Systems Houtao ZHU Jun-ichi TAKADA Kiyomichi ARAKI Takehiko KOBAYASHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/03/01 Vol. E84-B No. 3 pp. 644-652 Type of Manuscript: PAPER Category: Antenna and Propagation Keyword: channel modeling, spatio-temporal channel model, ray-tracing, random-phase approach,
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An Optimization of Smoothing Preprocessing for Correlated Signal Parameter Estimation Kei SAKAGUCHI Jun-ichi TAKADA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/09/20 Vol. E83-B No. 9 pp. 2117-2123 Type of Manuscript: PAPER Category: Antenna and Propagation Keyword: subspace-based superresolution algorithm, correlated signal, smoothing preprocessing, optimization, smoothed equivalent diversity profile,
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FOREWORD Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/06/20 Vol. E83-B No. 6 pp. 1163-1164 Type of Manuscript: FOREWORD Category: Keyword:
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Software Receiver Technology and Its Applications Tokihiko YOKOI Yoshimitsu IKI Jun HORIKOSHI Katsuji MIWA Yoshio KARASAWA Akira FUKUDA Jun-ichi TAKADA Yuichi KURODA Takayasu SHIOKAWA Yukitsuna FURUYA Shigenari SUZUKI Yasuhiro SENBA Yoshihide YAMADA Hiroshi HARADA Yasuo SUZUKI Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/06/20 Vol. E83-B No. 6 pp. 1200-1209 Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio and Its Technologies) Category: Keyword: software receiver, software radio,
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Prehistory of the SDR Studies in Japan --A Role of ARIB Study Group-- Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/06/20 Vol. E83-B No. 6 pp. 1183-1188 Type of Manuscript: INVITED PAPER (Special Issue on Software Defined Radio and Its Technologies) Category: Keyword: software defined radio, mobile communications, programmable devices, AD converters,
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Application of the VLC Parallel Transmission Technique to Motion Vector Transmission Takashi KASAI Yukitoshi SANADA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/12/20 Vol. E82-A No. 12 pp. 2778-2782 Type of Manuscript: Special Section LETTER (Special Section on Spread Spectrum Techniques and Applications) Category: Keyword: multicode, H.263, video image, spread spectrum, variable length code,
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A Model Order Estimation in the Matrix Pencil Method for the Transient Response of a Microwave Circuit Discontinuity Manabu KITAMURA Jun-ichi TAKADA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1999/11/20 Vol. E82-C No. 11 pp. 2081-2086 Type of Manuscript: PAPER Category: Microwave and Millimeter Wave Technology Keyword: FDTD, Matrix-Pencil method, GPOF, microstrip line discontinuity, model order estimation, MDL,
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Influence of the Model Order Estimation Error in the ESPRIT Based High Resolution Techniques Kei SAKAGUCHI Jun-ichi TAKADA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/03/20 Vol. E82-B No. 3 pp. 561-563 Type of Manuscript: LETTER Category: Antennas and Propagation Keyword: TLS-ESPRIT algorithm, model order estimation error, multipath parameter estimation, overestimation of the model order,
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A Novel Cumulant Based MUSIC Like DOA Estimation Algorithm with Multicarrier Modulation Yukitoshi SANADA Junichi TAKADA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/12/20 Vol. E81-B No. 12 pp. 2318-2325 Type of Manuscript: Special Section PAPER (Special Issue on the Latest Development of Telecommunication Research) Category: Wireless Communication Systems Keyword: DOA estimation, MUSIC, cumulant, multicarrier,
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Performance of Adaptive Array Antennas with Multicarrier DS/CDMA in a Mobile Fading Environment Yukitoshi SANADA Michael PADILLA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/07/20 Vol. E81-B No. 7 pp. 1392-1400 Type of Manuscript: Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems) Category: Keyword: software radio, adaptive antennas, multicarrier, DS/CDMA,
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A Variable Length Code Transmission Technique on Multicode DS/SS Systems Yukitoshi SANADA Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/03/20 Vol. E81-B No. 3 pp. 625-636 Type of Manuscript: PAPER Category: Radio Communication Keyword: variable length code, multicode DS/SS, image transmission,
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On Construction of Signature Scheme over a Certain Non-Commutative Ring Takakazu SATOH Kiyomichi ARAKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/01/20 Vol. E80-A No. 1 pp. 40-45 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: OSS digital signature, integral quaternion, non-commutativity, cryptanalysis,
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Attacking Method on Tanaka's Scheme^** Kiyomichi ARAKI Masato NAKAO
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 1996/03/20 Vol. E79-D No. 3 pp. 247-248 Type of Manuscript: LETTER Category: Information Security Keyword: key sharing scheme, collusion attack, Shalkwijk algorithm, linear algebra,
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On Ambiguity in Coppersmith' Attacking Method a against NIKS-TAS Scheme Shigeo TSUJII Kiyomichi ARAKI Masao KASAHARA Eiji OKAMOTO Ryuichi SAKAI Yasuo MAEDA Tomohiko YAGISAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/01/20 Vol. E79-A No. 1 pp. 66-75 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: modulo degeneracy, cryptanalysis, ID-based key sharing, NIKS-TAS,
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The Comparison between the Linear Optimal Restoration Filter and MEM Restoration Filter Kiyomichi ARAKI Toshihiko HASHIMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1993/08/20 Vol. E76-A No. 8 pp. 1353-1355 Type of Manuscript: LETTER Category: Digital Image Processing Keyword: image restoration, MEM, projection filter,
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The Efficient GMD Decoders for BCH Codes Kiyomichi ARAKI Masayuki TAKADA Masakatsu MORII
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 1993/05/20 Vol. E76-D No. 5 pp. 594-604 Type of Manuscript: Special Section PAPER (Special Issue on Multiple-Valued Logic) Category: Error Correcting Codes Keyword: error correcting technology, GMD decoding, BCH codes,
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On a Recursive Form of Welch-Berlekamp Algorithm Kiyomichi ARAKI Masayuki TAKADA Masakatu MORII
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1993/01/20 Vol. E76-A No. 1 pp. 132-138 Type of Manuscript: PAPER Category: Information Theory and Coding Theory Keyword: information theory and coding theory, Welch-Berlekamp algorithm, halving-doubling strategy, recursive structure,
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Generalized Syndrome Polynomials for Decoding Reed-Solomon Codes Kiyomichi ARAKI Ikuo FUJITA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1992/08/20 Vol. E75-A No. 8 pp. 1026-1029 Type of Manuscript: LETTER Category: Information Theory and Coding Theory Keyword: generalized syndrome polynomials, Reed-Solomon codes, decoding algorithm, key equation,
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On the Conspiracy Problem of the Generalized Tanaka's Cryptosystem Kiyomichi ARAKI Takashi SEKINE
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1991/08/20 Vol. E74-A No. 8 pp. 2176-2178 Type of Manuscript: Special Section LETTER (Special Issue on Cryptography and Information Security) Category: Keyword:
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Modified Euclidean Algorithm Having High Modularity and Minimum Register Organization Kiyomichi ARAKI Ikuo FUJITA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1991/04/20 Vol. E74-A No. 4 pp. 731-737 Type of Manuscript: PAPER Category: Information Theory and Coding Theory Keyword:
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Piecewise Linear Analysis of Autonomous Josephson Junction Circuits Keiji AKIYAMA Kiyomichi ARAKI Mititada MORISUE
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1990/12/20 Vol. E73-E No. 12 pp. 2022-2027 Type of Manuscript: PAPER Category: Nonlinear Problems Keyword:
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Fast Inverters over Finite Field Based on Euclid's Algorithm Kiyomichi ARAKI Ikuo FUJITA Mititada MORISUE
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1989/11/20 Vol. E72-E No. 11 pp. 1230-1234 Type of Manuscript: PAPER Category: Computer Hardware Design Keyword:
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A Comment on a Modulation Enhancement of Electronic Phase Shifter Employing a Multilayer Dielectric-Waveguide Structure Kiyomichi ARAKI Yoshiyuki NAITO
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1982/04/20 Vol. E65-E No. 4 pp. 208-209 Type of Manuscript: LETTER Category: Optical and Quantum Electronics Keyword:
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Canonical Representation and Figure of Merit of Circulator Kiyomichi ARAKI Yoshiyuki NAITO
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1981/09/20 Vol. E64-E No. 9 pp. 583-590 Type of Manuscript: PAPER Category: Microwaves and Millimeter Waves Keyword:
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A Novel Energy Relation in Eigen Modes of Transmission Line and Its Application to the Derivation of Variational Expression for Propagation Constant Kiyomichi ARAKI Yoshiyuki NAITO
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1980/02/20 Vol. E63-E No. 2 pp. 116-117 Type of Manuscript: LETTER Category: Electromagnetic Theory, Mathematics, Pyhsics Keyword:
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New Edge Guided Mode Devices Kiyomichi ARAKI Tetsu KOYAMA Yoshiyuki NAITO
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1976/04/20 Vol. E59-E No. 4 pp. 1-8 Type of Manuscript: PAPER Category: Microwaves and Millimeter Waves Keyword:
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