IEICE SEARCH SYSTEM

Yoshio KARASAWA

A Simple Formula for Noncoherent Capacity in Highly Underspread WSSUS Channel Yoshio KARASAWA
Publication: Publication Date: 2018/05/01 Vol. E101-B No. 5 pp. 1262-1269 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: channel capacity, noncoherent capacity, underspread channel, wideband channel, doubly-selective fading,
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Subarray Based Low Computational Design of Multiuser MIMO System Adopting Massive Transmit Array Antenna Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: Publication Date: 2017/08/01 Vol. E100-B No. 8 pp. 1205-1214 Type of Manuscript: Special Section PAPER (Special Section on Radio Access Technologies for 5G Mobile Communications System) Category: Wireless Communication Technologies Keyword: massive MIMO, multiuser, block diagonalization, subarray, 5G,
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Frequency-Domain Differential Coding Schemes under Frequency-Selective Fading Environment in Adaptive Baseband Radio Jin NAKAZATO Daiki OKUYAMA Yuki MORIMOTO Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2016/02/01 Vol. E99-B No. 2 pp. 488-498 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: baseband radio, cognitive radio, software-defined radio, frequency-domain packet communication, DSFBC, spectrum-spreading reverberation chamber,
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Design of Two-Way Relay Network Using Space-Time Block Coded Network Coding with Relay Selection Xuan Nam TRAN Van Bien PHAM Duc Hiep VU Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2015/08/01 Vol. E98-A No. 8 pp. 1657-1666 Type of Manuscript: Special Section PAPER (Special Section on Information and Communication Systems for Safe and Secure Life) Category: Keyword: two-way relay, network coding, relay selection, MIMO, STBC, MMSE, ad hoc network,
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Simplified Multipath Propagation Measurement Scheme for DOA and Delay Based on Virtual Array Technique Phavanhna PHOMMASACK Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2015/05/01 Vol. E98-B No. 5 pp. 814-823 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Radio Propagation) Category: Keyword: propagation measurement, virtual array, DOA, delay,
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Fundamental Propagation Characteristics of Stirrer-Less Reverberation Chamber for MIMO-OTA Measurements Yoshio KARASAWA Ichiro OSHIMA Fatahuddin TAMRIN Yui SAKAMOTO Rizwan ARIF Katsumori SASAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2014/10/01 Vol. E97-B No. 10 pp. 2083-2092 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Measurement and Design Techniques on Antennas, Propagation and Wireless Systems) Category: Keyword: MIMO, OTA, reverberation chamber, radio-absorbing sheet, delay spread, frequency dependence,
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A New Scheme to Enhance Bandwidth of Printed Dipole for Wideband Applications Dinh Thanh LE Nguyen Quoc DINH Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2014/04/01 Vol. E97-B No. 4 pp. 773-782 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: printed antennas, dipole, mutual coupling, ultra-wideband antennas, reconfigurable antennas,
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Experimental Evaluation of the Propagation Environment Control Function in a Double-Layered Reverberation Chamber in a MIMO-OTA System Ichiro OSHIMA Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/10/01 Vol. E96-B No. 10 pp. 2389-2398 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2012) Category: Radio Propagation Keyword: MIMO-OTA, reverberation chamber, arrival wave distribution, space correlation, cross-polarization power ratio,
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A Novel High-Resolution Propagation Measurement Scheme for Indoor Terrestrial TV Signal Reception Based on Two-Dimensional Virtual Array Technique Kazuo MOROKUMA Atsushi TAKEMOTO Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/04/01 Vol. E96-B No. 4 pp. 986-993 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: indoor propagation, multipath propagation, direction finding, MUSIC algorithm, virtual array,
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Distributed Relay Selection for MIMO-SDM Cooperative Networks Xuan Nam TRAN Vinh Hanh NGUYEN Thanh Tam BUI The Cuong DINH Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/04/01 Vol. E95-B No. 4 pp. 1170-1179 Type of Manuscript: Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011) Category: Keyword: relay selection, cooperative communication, MIMO, MMSE, linear combining,
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An Approximation Method for Evaluating SIMO-OFDM MRC System in Multipath Environment Where Delay Profile Exceeds the Guard Interval Quoc-Anh VU Changarkame VANMANY Anmol BAJRACHARYA Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/01/01 Vol. E95-B No. 1 pp. 77-86 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2010) Category: Radio Systems Keyword: OFDM, SIMO, adaptive array, ETP model, maximal ratio combining,
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A Simple Broadband Antenna for MIMO Applications in Cognitive Radio Dinh Thanh LE Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/01/01 Vol. E95-B No. 1 pp. 18-26 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2010) Category: Antennas Keyword: printed dipole, broadband antenna, mutual coupling, antenna array, MIMO, cognitive radio,
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Performance Analysis of Base Station Cooperation in Multiantenna Cellular System Tetsuki TANIGUCHI Yoshio KARASAWA Nobuo NAKAJIMA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/11/01 Vol. E94-A No. 11 pp. 2254-2262 Type of Manuscript: Special Section PAPER (Special Section on Smart Multimedia & Communication Systems) Category: Communication Theory and Signals Keyword: MIMO, cellular system, cooperative communications, beamforming,
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Wideband MIMO Compact Antennas with Tri-Polarizations Dinh Thanh LE Masahiro SHINOZAWA Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/07/01 Vol. E94-B No. 7 pp. 1982-1993 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: MIMO systems, polarization, antenna arrays, indoor radio communication,
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Propagation Channel Modeling in the Mixture of NLOS and LOS Environments for MIMO-MRC System and Its Application to ITS-IVC Yi WANG Kenji ITO Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/05/01 Vol. E94-B No. 5 pp. 1207-1214 Type of Manuscript: Special Section PAPER (Special Section on Antenna and Propagation Technologies Contributing to Diversification of Wireless Technologies) Category: MIMO Propagation Keyword: propagation model, MIMO-MRC system, mixture of NLOS and LOS environments, ITS, Inter-Vehicle Communication (IVC), Signal-to-Noise-Ratio (SNR),
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Statistical Analysis of MIMO Keyhole Channels under Double Rayleigh and Double Nakagami-Rice Fadings Tetsuki TANIGUCHI Yoshio KARASAWA Makoto TSURUTA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/05/01 Vol. E94-B No. 5 pp. 1215-1224 Type of Manuscript: Special Section PAPER (Special Section on Antenna and Propagation Technologies Contributing to Diversification of Wireless Technologies) Category: MIMO Propagation Keyword: MIMO, double fading, Rayleigh fading, Nakagami-Rice fading, keyhole, eigenvalue,
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Advanced MIMO STBC Adaptive Array with PSAM in Fast Fading Channel Susumu SASAKI Supawan ANNANAB Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/03/01 Vol. E93-B No. 3 pp. 660-669 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MIMO, space-time block code, fast fading, Doppler spread, adaptive beam-forming, adaptive algorithm,
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Macro-Diversity Scheme for a Point-to-Multipoint Communication System by means of D-STBC Method in Fast Fading Environment Subrata Kumar BISWAS Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/06/01 Vol. E92-B No. 6 pp. 2122-2130 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: train radio system, space-time block coding (STBC), differential STBC (D-STBC), Doppler spread,
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An ISI Suppressing Method for SIMO-OFDM System Utilizing the Characteristic of the ETP-OFDM Model Quoc-Anh VU Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/01/01 Vol. E92-B No. 1 pp. 268-276 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: OFDM, SIMO, adaptive array, ETP model, Intersymbol interference,
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Experiment on Synchronous Timing Signal Detection from ISDB-T Terrestrial Digital TV Signal with Application to Autonomous Distributed ITS-IVC Network Yoshio KARASAWA Taichi KUMAGAI Atsushi TAKEMOTO Takeo FUJII Kenji ITO Noriyoshi SUZUKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/01/01 Vol. E92-B No. 1 pp. 296-305 Type of Manuscript: PAPER Category: Integrated Systems for Communications Keyword: ITS, inter-vehicle communication (IVC), ad-hoc network, synchronization, OFDM, guard interval,
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OFDM Transmission Characteristics where the Delay Profile Exceeds the Guard Interval in Nakagami-Rice Fading Environment Yoshio KARASAWA Changarkame VANMANY
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/10/01 Vol. E91-B No. 10 pp. 3262-3271 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: OFDM, multipath fading, ETP model, intersymbol interference (ISI), guard interval, Nakagami-rice fading,
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Analysis and Approximation of Statistical Distribution of Eigenvalues in i.i.d. MIMO Channels under Rayleigh Fading Tetsuki TANIGUCHI Shen SHA Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/10/01 Vol. E91-A No. 10 pp. 2808-2817 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Communication Theory Keyword: MIMO, eigenvalue, Wishart matrix, gamma approximation, space diversity, maximal ratio combining,
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Asynchronous MIMO STBC Adaptive Array Transmission Scheme for Multiuser over Fast Fading Channel Supawan ANNANAB Tomonori TOBITA Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/08/01 Vol. E91-B No. 8 pp. 2666-2673 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MIMO, space-time code, transmit diversity, fast fading, Doppler spread, Asynchronous transmission, co-channel interference, tapped delay line, array processing,
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Performance Comparison of Detection Methods for Combined STBC and SM Systems Xuan Nam TRAN Huan Cong HO Tadashi FUJINO Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/06/01 Vol. E91-B No. 6 pp. 1734-1742 Type of Manuscript: Special Section PAPER (Special Section on 2007 International Symposium on Antennas and Propagation) Category: Smart Antennas & MIMO Keyword: transmit diversity, spatial division multiplexing, STBC, alamouti scheme,
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Broadband MIMO Communication Systems Using Spatio-Temporal Processing in Transmitter and Receiver Sides Tetsuki TANIGUCHI Hoang Huy PHAM Nam Xuan TRAN Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/11/01 Vol. E90-A No. 11 pp. 2431-2438 Type of Manuscript: Special Section PAPER (Special Section on Wideband Systems) Category: MIMO Keyword: MIMO, maximum ratio combining, frequency selective fading, spatio-temporal processing, tapped delay line,
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Subband Adaptive Array for MIMO-STBC CDMA System Nordin Bin RAMLI Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/10/01 Vol. E90-A No. 10 pp. 2309-2317 Type of Manuscript: PAPER Category: Spread Spectrum Technologies and Applications Keyword: space-time coding, multiple input multiple output (MIMO), code division multiple access (CDMA), adaptive beamforming, subband adaptive array (SBAA), cyclic prefix, frequency selective fading (FSF) channel,
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Simple Approximation of Largest Eigenvalue Distribution in MIMO Channels Under Nakagami-Rice Fading Tetsuki TANIGUCHI Shen SHA Yoshio KARASAWA Makoto TSURUTA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/09/01 Vol. E90-A No. 9 pp. 1862-1870 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Keyword: MIMO, eigenvalue, Wishart matrix, Nakagami-Rice fading, Nakagami m fading, maximum ratio combining,
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On Statistical Distribution of Eigenvalues of Channel Correlation Matrix in MIMO Multi-Keyhole Environment Makoto TSURUTA Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/09/01 Vol. E90-B No. 9 pp. 2352-2359 Type of Manuscript: Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation) Category: Propagation Keyword: MIMO multi-keyhole model, MIMO repeater system, eigenvalue, space diversity, channel capacity,
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Innovative Antennas and Propagation Studies for MIMO Systems Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/09/01 Vol. E90-B No. 9 pp. 2194-2202 Type of Manuscript: INVITED PAPER (Special Section on 2006 International Symposium on Antennas and Propagation) Category: Keyword: MIMO, MIMO channel model, SVD, multi-keyhole, dual-polarization antenna, triple-polarization antenna, MIMO-OFDM,
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MIMO STBC Adaptive Array for Fast Fading Channel Supawan ANNANAB Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/09/01 Vol. E90-B No. 9 pp. 2321-2329 Type of Manuscript: Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation) Category: Smart Antennas Keyword: MIMO, space time block code, fast fading, Doppler spread, adaptive beamforming, adaptive algorithm,
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Spatial-Temporal Adaptive MIMO Beamforming for Frequency-Selective Fading Channels Huy Hoang PHAM Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/03/01 Vol. E90-B No. 3 pp. 578-585 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: smart antenna, frequency-selective fading, multipath, MIMO, mutiuser system,
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Statistical Multipath Propagation Modeling for Broadband Wireless Systems Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/03/01 Vol. E90-B No. 3 pp. 468-484 Type of Manuscript: INVITED SURVEY PAPER Category: Keyword: broadband wireless, multipath propagation, propagation model, UWB angular power profile,
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Subband Adaptive Array for Space-Time Block Coding Nordin Bin RAMLI Xuan Nam TRAN Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/11/01 Vol. E89-A No. 11 pp. 3103-3113 Type of Manuscript: Special Section PAPER (Special Section on Wide Band Systems) Category: Keyword: MIMO, space-time coding, subband adaptive array, cyclic-prefix, frequency selective fading channel,
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Experiments on a MIMO System Having Dual Polarization Diversity Branches Nirmal Kumar DAS Masahiro SHINOZAWA Norihisa MIYADAI Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/09/01 Vol. E89-B No. 9 pp. 2522-2529 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MIMO, polarization diversity, space-time coading, MIMO eigenmode transmission, singular value decomposition (SVD),
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Wireless Baseband Transmission Experiments Jun-ichi KITAGAWA Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/06/01 Vol. E89-B No. 6 pp. 1815-1824 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: wireless baseband transmission, Manchester encoding, discone antenna, ultra wide band,
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Design of MIMO Communication Systems Using Tapped Delay Line Structure in Receiver Side Tetsuki TANIGUCHI Hoang Huy PHAM Nam Xuan TRAN Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/03/01 Vol. E89-A No. 3 pp. 670-677 Type of Manuscript: Special Section PAPER (Special Section on Multidimensional Signal Processing and Its Application) Category: Communications Keyword: MIMO, STBC, maximum ratio combining, frequency selective fading, spatio-temporal processing, tapped delay line,
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Analysis of Scattering Problem by an Imperfection of Finite Extent in a Plane Surface Masaji TOMITA Tomio SAKASHITA Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/12/01 Vol. E88-C No. 12 pp. 2177-2191 Type of Manuscript: Special Section PAPER (Special Section on Wireless Technologies and Computational Electromagnetics) Category: EM Analysis Keyword: scattering problem, arbitrary imperfection of finite extent, Dirichlet problem, completeness of L²(-∞, ∞)space,
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Modeling and Analysis of OFDM Transmission Characteristics in Rayleigh Fading Environment in Which the Delay Profile Exceeds the Guard Interval Yoshio KARASAWA Noriyuki GEJOH Takaaki IZUMI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/07/01 Vol. E88-B No. 7 pp. 3020-3027 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: OFDM, multipath fading, ETP model, intersymbol interference, guard interval,
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FOREWORD Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/06/01 Vol. E88-B No. 6 pp. 2229-2229 Type of Manuscript: FOREWORD Category: Keyword:
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FOREWORD Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/05/01 Vol. E88-B No. 5 pp. 1765-1765 Type of Manuscript: FOREWORD Category: Keyword:
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MIMO Propagation Channel Modeling Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/05/01 Vol. E88-B No. 5 pp. 1829-1842 Type of Manuscript: INVITED PAPER (Special Section on Recent Progress in Antennas and Propagation Researches--Selected Papers Translated from the IEICE Transactions on Communications (Japanese Edition)--) Category: Keyword: MIMO, singular-value decomposition, multipath fading, eigenvalue distribution, spatial correlation, diversity, maximum ratio combining,
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Multiuser MIMO Beamforming for Single Data Stream Transmission in Frequency-Selective Fading Channels Huy Hoang PHAM Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/03/01 Vol. E88-A No. 3 pp. 651-659 Type of Manuscript: Special Section PAPER (Special Section on Adaptive Signal Processing and Its Applications) Category: Keyword: smart antennas, frequency-selective fading, multipath, MIMO, mutiuser systems,
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Spatio-Temporal Equalization for Space-Time Block Coded Transmission over Frequency Selective Fading Channel with Co-channel Interference Xuan Nam TRAN Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/03/01 Vol. E88-A No. 3 pp. 660-668 Type of Manuscript: Special Section PAPER (Special Section on Adaptive Signal Processing and Its Applications) Category: Keyword: space-time code, MIMO, transmit diversity, spatio-temporal equalization, array processing, co-channel interference, multipath fading,
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Adaptive Algorithm Based on Accumulated Signal Processing for Fast Fading Channels with Application to OFDM Mobile Radio Pubudu Sampath WIJESENA Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/02/01 Vol. E88-B No. 2 pp. 568-574 Type of Manuscript: Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2) Category: Keyword: MMSE adaptive array, adaptive algorithm, accumulated signal processing, OFDM,
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An MMSE Multiuser Detector for Space-Time Block Coded OFDM Xuan Nam TRAN Tadashi FUJINO Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/01/01 Vol. E88-B No. 1 pp. 141-149 Type of Manuscript: Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1) Category: Interference Canceller Keyword: space-time code, transmit diversity, OFDM, multipath fading, multiuser detection,
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The Weights Determination Scheme for MIMO Beamforming in Frequency-Selective Fading Channels Huy Hoang PHAM Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/08/01 Vol. E87-B No. 8 pp. 2243-2249 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: smart antennas, frequency-selective fading, multipath, MIMO, wireless communication systems,
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Beam-Space Adaptive Array Antenna for Suppressing the Doppler Spread in OFDM Mobile Reception Pubudu Sampath WIJESENA Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/01/01 Vol. E87-B No. 1 pp. 20-28 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: OFDM, Doppler spread, inter carrier interference, beam-space array antenna, maximal ratio combining,
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An Adaptive Array Antenna Based on the IQ-Division Bandpass Sampling Shinya SASAKI Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/12/01 Vol. E86-B No. 12 pp. 3483-3490 Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications) Category: Keyword: IQ-division, bandpass sampling, adaptive array antenna, software defined radio (SDR),
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A Multistage Blind Adaptive Array Antenna for Multiuser Signal Detection in Asynchronous SS Systems Yukihiro KAMIYA Kenichi OCHIAI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/08/01 Vol. E86-B No. 8 pp. 2414-2424 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: adaptive arrays, CMA, spread spectrum, multiuser detection, software defined radio (SDR),
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Spatial Optical Signal Processing Beam Forming Network for 2-Dimensional Beam Steering Keizo INAGAKI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/07/01 Vol. E86-C No. 7 pp. 1209-1217 Type of Manuscript: Special Section PAPER (Special Issue on Recent Progress in Microwave and Millimeter-wave Photonics Technologies) Category: Photonics for Antenna Systems Keyword: optical control, beam forming network, 2-D beam steering, Fourier transform lens, graded index fiber lensed single mode fiber,
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Subband Adaptive Array for Multirate Multicode DS-CDMA Systems Xuan Nam TRAN Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/07/01 Vol. E86-A No. 7 pp. 1611-1618 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: subband adaptive array, multicode CDMA, cyclic prefix spreading code, multipath fading, mobile communications,
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A Simple Calculation Method on Spatial Distribution of Error Occurrence due to ISI Based on the ETP Model--Application to Indoor Propagation Environments Noriyuki GEJOH Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/02/01 Vol. E86-B No. 2 pp. 809-817 Type of Manuscript: PAPER Category: Antenna and Propagation Keyword: ETP model, intersymbol interference, multipath fading, indoor propagation, BER map,
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Theoretical Analysis of Subband Adaptive Array Combining Cyclic Prefix Data Transmission Scheme Xuan Nam TRAN Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/12/01 Vol. E85-B No. 12 pp. 2610-2621 Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications) Category: Keyword: software antenna, subband adaptive array, cyclic prefix, multipath fading, mobile communication,
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Performance Analysis of Subband Adaptive Array in Multipath Fading Environment Xuan Nam TRAN Tetsuki TANIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/08/01 Vol. E85-A No. 8 pp. 1798-1806 Type of Manuscript: Special Section PAPER (Special Section on Digital Signal Processing) Category: Adaptive Signal Processing Keyword: subband processing, adaptive array, space-time processing, multipath fading, mobile communication,
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Performance Analysis of Subband Arrays Yimin ZHANG Kehu YANG Moeness G. AMIN Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/09/01 Vol. E84-B No. 9 pp. 2507-2515 Type of Manuscript: Special Section PAPER (Special Issue on Innovation in Antennas and Propagation for Expanding Radio Systems) Category: Adaptive Antennas Keyword: subband array, space-time adaptive processing, adaptive array, multirate signal processing, mobile communication,
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Theoretical Analysis on the Performance of Optimal Combining for Multipath Waves Distributed in Spatial and Time Domains Takashi INOUE Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/07/25 Vol. E83-B No. 7 pp. 1426-1434 Type of Manuscript: PAPER Category: Wireless Communication Technology Keyword: wideband signals, fading depth, Rayleigh fading, eigenvalue decomposition, maximal ratio combining,
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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: 2000/06/25 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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Algorithm Diversity in a Software Antenna Yoshio KARASAWA Yukihiro KAMIYA Takashi INOUE Satoshi DENNO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/06/25 Vol. E83-B No. 6 pp. 1229-1236 Type of Manuscript: Special Section PAPER (Special Issue on Software Defined Radio and Its Technologies) Category: Keyword: software antenna, algorithm diversity, reconfigurable antenna, adaptive antenna,
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A Software Antenna: Reconfigurable Adaptive Arrays Based on Eigenvalue Decomposition Yukihiro KAMIYA Yoshio KARASAWA Satoshi DENNO Yoshihiko MIZUGUCHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/12/25 Vol. E82-B No. 12 pp. 2012-2020 Type of Manuscript: Special Section PAPER (Special Issue on Multimedia Mobile Communication Systems) Category: Keyword: software antenna, DBF, FPGA, DSP, multipath fading,
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CMA Adaptive Array Antennas Using Analysis and Synthesis Filter Banks Takashi SEKIGUCHI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/08/25 Vol. E81-A No. 8 pp. 1570-1577 Type of Manuscript: Special Section PAPER (Special Section on Digital Signal Processing) Category: Keyword: adaptive arrays, adaptive signal processing, filter banks, array processing, digital beamforming, optical signal processing antennas,
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Two-Dimensional RAKE Reception Scheme for DS/CDMA Systems in Beam Space Digital Beam Forming Antenna Configuration Takashi INOUE Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/07/25 Vol. E81-B No. 7 pp. 1374-1383 Type of Manuscript: Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems) Category: Keyword: DS/CDMA, RAKE reception, 2D-RAKE, anti-fading technique, wideband propagation channel model,
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ISI and CCI Canceller with Preselecting Adaptive Array and Cascaded Equalizer in Digital Mobile Radio Yoshiharu DOI Takeo OHGANE Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/03/25 Vol. E81-B No. 3 pp. 674-682 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: adaptive array antenna, maximum-likelihood sequence estimation, inter-symbol interference cancelling, co-channel interference cancelling, diversity branch preselection,
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Interference Cancellation Characteristics of a BSCMA Adaptive Array Antenna with a DBF Configuration Toyohisa TANAKA Ryu MIURA Isamu CHIBA Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/09/25 Vol. E80-B No. 9 pp. 1363-1371 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: adaptive array antenna, interference cancellation, CMA, convergence, symbol delay, capture, tracking, Doppler effect,
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The Software Antenna: A New Concept of Kaleidoscopic Antenna in Multimedia Radio and Mobile Computing Era Yoshio KARASAWA Takashi SEKIGUCHI Takashi INOUE
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/08/25 Vol. E80-B No. 8 pp. 1214-1217 Type of Manuscript: Special Section LETTER (Special Issue on Mobile Computing) Category: Keyword: mobile radio, software antenna, reconfigurable FPGA, algorithm diversity,
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Beam Forming Characteristics of a Waveguide-Type Optical Phased Array Antenna Yasushi MURAKAMI Keizo INAGAKI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/04/25 Vol. E80-B No. 4 pp. 617-624 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: antennas and propagation, optical antenna, phased array, beam forming, optical waveguide,
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Implementation of a Digital Signal Processor in a DBF Self-Beam-Steering Array Antenna Toyohisa TANAKA Ryu MIURA Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/01/25 Vol. E80-B No. 1 pp. 166-175 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: DBF antenna, self-beam-steering, self-phasing, maximal ratio combining, DSP, FPGA, ASIC,
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Double-Layered Inclined Orbit Constellation for Advanced Satellite Communications Network Kazuhiro KIMURA Keizo INAGAKI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/01/25 Vol. E80-B No. 1 pp. 93-102 Type of Manuscript: Special Section PAPER (Special Issue on Advances in Satellite Communications toward Multimedia Era) Category: System Technology Keyword: low earth orbit, satellite communications, global network, optical inter-satellite link, double-layered constellation,
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Analysis of Cycle Slip in Clock Recovery on Frequency-Selective Nakagami-Rice Fading Channels Based on the Equivalent Transmission-Path Model Yoshio KARASAWA Tomonori KURODA Hisato IWAI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1996/12/25 Vol. E79-B No. 12 pp. 1900-1910 Type of Manuscript: PAPER Category: Radio Communication Keyword: frequency-selective fading, Nakagami-Rice fading, cycle slip, clock recovery, equivalent transmission-path model,
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The Theoretical Foundation and Applications of Equivalent Transmission-Path Model for Assessing Wideband Digital Transmission Characteristics in Nakagami-Rice Fading Environments Hisato IWAI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1996/09/25 Vol. E79-B No. 9 pp. 1205-1214 Type of Manuscript: Special Section PAPER (Special Issue on Personal Communications) Category: Radio propagation and channel modeling Keyword: mobile propagation environments, wideband digital transmission characteristics, Nakagami-Rice fading, BER characteristics, intersymbol interference,
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Characteristics in Neodymium-Doped Fiber Amplifiers at 1.06 µm Tetsuya MIYAZAKI Yoshio KARASAWA Minoru YOSHIDA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1996/06/25 Vol. E79-C No. 6 pp. 863-869 Type of Manuscript: PAPER Category: Opto-Electronics Keyword: Nd-doped fiber amplifier, 1.06µm, Nd-Al co-doped fibers, Nd: YAGlaser,
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Frequency Characteristics of a Beamforming Network of an Optically Controlled Array Antenna and Its Radiation Pattern Measurements Kenichi YAMADA Isamu CHIBA Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1996/01/25 Vol. E79-C No. 1 pp. 68-73 Type of Manuscript: Special Section PAPER (Special Issue on Optomicrowave Techniques and Their Applications) Category: Optically Controlled Beam Forming Networks Keyword: optically controlled array antenna, two-laser type, fiber array, Fourier transform,
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An ASIC Implementation Scheme to Realize a Beam Space CMA Adaptive Array Antenna Toyohisa TANAKA Ryu MIURA Isamu CHIBA Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1995/11/25 Vol. E78-B No. 11 pp. 1467-1473 Type of Manuscript: Special Section PAPER (Special Issue on Adaptive Signal Processing Technology in Antennas) Category: Keyword: adaptive antenna, DBF antenna, CMA, DSP, ASIC,
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A Slot Coupled Microstrip Antenna with a Multi-Layer Thick Ground Plane Kazunori TAKEUCHI Isamu CHIBA Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1995/08/25 Vol. E78-C No. 8 pp. 988-994 Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology) Category: Keyword: slot-coupled microstrip antenna, MMIC, active array antenna,
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Wideband Propagation Model for the Analysis of the Effect of the Multipath Fading on the Near-Far Problem in CDMA Mobile Radio Systems Hisato IWAI Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1993/02/25 Vol. E76-B No. 2 pp. 103-112 Type of Manuscript: Special Section PAPER (Special Issue on Land Mobile/Portable Propagation) Category: Keyword: propagation model, CDMA, mobile radio, simulation method,
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Interference Evaluation Method for Mobile-Satellite Systems under Nakagami-Rice Fading Conditions Yoshio KARASAWA Masayuki YASUNAGA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1992/01/25 Vol. E75-B No. 1 pp. 42-49 Type of Manuscript: PAPER Category: Radio Communication Keyword: interference, Nakagami-Rice fading, c/n prediction,
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A Fading Reduction Technique Using Interleave-Aided Open Loop Space Diversity for Digital Maritime-Satellite Communications Hisato IWAI Masayuki YASUNAGA Yoshio KARASAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1991/10/25 Vol. E74-B No. 10 pp. 3286-3294 Type of Manuscript: Special Section PAPER (Special Issue on Mobile Communication Antennas) Category: Keyword:
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Interpretation of Quasi-Perriodic Scintillation at Frequencies above 1 GHz Yoshio KARASAWA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1987/08/25 Vol. E70-E No. 8 pp. 768-774 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword:
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Characteristics of L-Band Multipath Fading due to Sea Surface Reflection in Aeronautical Satellite Communications Masayuki YASUNAGA Yoshio KARASAWA Takayasu SHIOKAWA Matsuichi YAMADA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1986/10/25 Vol. E69-E No. 10 pp. 1060-1063 Type of Manuscript: LETTER Category: Antenna and Propagation Keyword:
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A Simplified Fading Reduction Technique in Maritime Satellite Communications Masayuki YASUNAGA Yoshio KARASAWA Takayasu SHIOKAWA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1986/02/25 Vol. E69-E No. 2 pp. 83-85 Type of Manuscript: LETTER Category: Antenna and Propagation Keyword:
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On-board Experiments on L-band Multipath Fading and Its Reduction by Use of the Polarization Shaping Method Yoshio KARASAWA Masayuki YASUNAGA Shinichi NOMOTO Takayasu SHIOKAWA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1986/02/25 Vol. E69-E No. 2 pp. 124-131 Type of Manuscript: PAPER Category: Radio Wave and Satellite Communication Keyword:
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Consideration on Increasing Power Gain of Axial-Mode Helical Antenna Takayasu SHIOKAWA Yoshio KARASAWA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1981/11/25 Vol. E64-E No. 11 pp. 742-743 Type of Manuscript: LETTER Category: Antenna and Propagation Keyword:
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Gradual Change of Power Spectrum of Ionospheric Scintillation Yoshio KARASAWA Koji YASUKAWA
Publication: IEICE TRANSACTIONS (1976-1990) Publication Date: 1981/09/25 Vol. E64-E No. 9 pp. 606-607 Type of Manuscript: LETTER Category: Antenna and Propagation Keyword:
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