IEICE Trans

Satoshi TAKAHASHI

Network Congestion Minimization Models Based on Robust Optimization Bimal CHANDRA DAS Satoshi TAKAHASHI Eiji OKI Masakazu MURAMATSU
Publication: Publication Date: 2018/03/01 Vol. E101-B No. 3 pp. 772-784 Type of Manuscript: PAPER Category: Network Keyword: backbone network, second-order cone programming, pipe model, hose model, network congestion ratio, robust optimization, ellipsoidal uncertainty set,
	Summary \| Full Text:PDF

N-gram Approximation of Latent Words Language Models for Domain Robust Automatic Speech Recognition Ryo MASUMURA Taichi ASAMI Takanobu OBA Hirokazu MASATAKI Sumitaka SAKAUCHI Satoshi TAKAHASHI
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2016/10/01 Vol. E99-D No. 10 pp. 2462-2470 Type of Manuscript: Special Section PAPER (Special Section on Recent Advances in Machine Learning for Spoken Language Processing) Category: Language modeling Keyword: language models, domain robustness, latent words language models, n-gram approximation, automatic speech recognition,
	Summary \| Full Text:PDF

Automatic Vocabulary Adaptation Based on Semantic and Acoustic Similarities Shoko YAMAHATA Yoshikazu YAMAGUCHI Atsunori OGAWA Hirokazu MASATAKI Osamu YOSHIOKA Satoshi TAKAHASHI
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2014/06/01 Vol. E97-D No. 6 pp. 1488-1496 Type of Manuscript: Special Section PAPER (Special Section on Advances in Modeling for Real-world Speech Information Processing and its Application) Category: Speech Recognition Keyword: out-of-vocabulary, vocabulary adaptation, semantic similarity, acoustic similarity,
	Summary \| Full Text:PDF

Efficient Combination of Likelihood Recycling and Batch Calculation for Fast Acoustic Likelihood Calculation Atsunori OGAWA Satoshi TAKAHASHI Atsushi NAKAMURA
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2011/03/01 Vol. E94-D No. 3 pp. 648-658 Type of Manuscript: PAPER Category: Speech and Hearing Keyword: fast acoustic likelihood calculation, state likelihood recycling, batch state likelihood calculation, combined acceleration technique, acoustic backing-off,
	Summary \| Full Text:PDF

A Method of Cognizing Primary and Secondary Radio Signals Satoshi TAKAHASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/12/01 Vol. E93-A No. 12 pp. 2682-2690 Type of Manuscript: Special Section PAPER (Special Section on Wideband Systems) Category: Keyword: mobile radio communications, cognitive radio, signal detection, dynamic spectrum access, energy sensing, bandwidth differentiation,
	Summary \| Full Text:PDF

A CFAR Circuit with Multiple Detection Cells for Automotive UWB Radars Satoshi TAKAHASHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/06/01 Vol. E93-B No. 6 pp. 1574-1582 Type of Manuscript: PAPER Category: Sensing Keyword: automotive radar, radar clutter, CFAR, automatic target detection, spatial correlation,
	Summary \| Full Text:PDF

Automatic Generation of User Manuals without Automation Surprises for Human-Machine Systems Modeled by Discrete Event Systems Toshimitsu USHIO Satoshi TAKAHASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/11/01 Vol. E91-A No. 11 pp. 3237-3244 Type of Manuscript: Special Section PAPER (Special Section on Concurrent/Real-time and Hybrid Systems: Theory and Applications) Category: Keyword: discrete event systems, human-machine systems, user manual, automation surprises,
	Summary \| Full Text:PDF

Robust Speech Recognition by Model Adaptation and Normalization Using Pre-Observed Noise Satoshi KOBASHIKAWA Satoshi TAKAHASHI
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2008/03/01 Vol. E91-D No. 3 pp. 422-429 Type of Manuscript: Special Section PAPER (Special Section on Robust Speech Processing in Realistic Environments) Category: Noisy Speech Recognition Keyword: noise robustness, distant-talking, spectral subtraction, HMM-composition, cepstral mean normalization,
	Summary \| Full Text:PDF

Stochastic Method of Determining Substream Modulation Levels for MIMO Eigenbeam Space Division Multiplexing Satoshi TAKAHASHI Chang-Jun AHN Hiroshi HARADA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/01/01 Vol. E89-B No. 1 pp. 142-149 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: mobile radio propagation, adaptive modulation, multipath environments, ray tracing, MIMO, E-SDM,
	Summary \| Full Text:PDF

Adaptive Subcarrier Block Modulation with Differentially Modulated Pilot Symbol Assistance for Downlink OFDM Using Uplink Delay Spread Chang-Jun AHN Satoshi TAKAHASHI Hiroshi HARADA Yukiyoshi KAMIO Iwao SASASE
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/07/01 Vol. E88-A No. 7 pp. 1889-1896 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Wireless Communication Technology Keyword: DMPSA-ASMS/OFDM, MLI, coherence bandwidth, RMS delay spread,
	Summary \| Full Text:PDF

Effect of Delay Spread Enhancement in MIMO Eigenbeam Space Division Multiplexing Transmission Satoshi TAKAHASHI Chang-Jun AHN Hiroshi HARADA Yukiyoshi KAMIO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/07/01 Vol. E88-A No. 7 pp. 1931-1935 Type of Manuscript: Special Section LETTER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: radio propagation, delay spread, MIMO, E-SDM,
	Summary \| Full Text:PDF

Differential Modulated Pilot Symbol Assisted Adaptive OFDM for Reducing the MLI with Predicted FBI Chang-Jun AHN Satoshi TAKAHASHI Hiroshi HARADA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/02/01 Vol. E88-B No. 2 pp. 436-442 Type of Manuscript: Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2) Category: Keyword: AMS/OFDM, MLI, FBI,
	Summary \| Full Text:PDF

Reverse Link Performance Improvement for Wideband OFDM Using Alamouti Coded Heterogeneous Polarization Antennas Chang-Jun AHN Yukiyoshi KAMIO Satoshi TAKAHASHI Hiroshi HARADA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2004/11/01 Vol. E87-B No. 11 pp. 3281-3288 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: OFDM, STBC, polarization, XPD,
	Summary \| Full Text:PDF

Study and Analysis of System LSI Design Methodologies Using C-Based Behavioral Synthesis Hidefumi KUROKAWA Hiroyuki IKEGAMI Motohide OTSUBO Kiyoshi ASAO Kazuhisa KIRIGAYA Katsuya MISU Satoshi TAKAHASHI Tetsuji KAWATSU Kouji NITTA Hiroshi RYU Kazutoshi WAKABAYASHI Minoru TOMOBE Wataru TAKAHASHI Akira MUKOUYAMA Takashi TAKENAKA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/04/01 Vol. E86-A No. 4 pp. 787-798 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 15th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: C-based design, behavioral synthesis, verification, design productivity, model abstraction,
	Summary \| Full Text:PDF

Microwave Propagation Characteristics in an Urban Quasi Line-of-Sight Environment under Different Traffic Conditions Hironari MASUI Masanori ISHII Satoshi TAKAHASHI Hiroyuki SHIMIZU Takehiko KOBAYASHI Masami AKAIKE
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/05/01 Vol. E84-B No. 5 pp. 1431-1439 Type of Manuscript: PAPER Category: Antenna and Propagation Keyword: mobile communication, radio propagation, break point, delay spread, microwave,
	Summary \| Full Text:PDF

Stochastic Prediction of Transmission Performance in Mobile Communication Systems Employing Anti-Multipath Techniques in Urban Propagation Environments Satoshi TAKAHASHI Takehiko KOBAYASHI Kouzou KAGE Koichi TAKAHASHI Hironari MASUI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/12/25 Vol. E82-B No. 12 pp. 1987-1996 Type of Manuscript: Special Section PAPER (Special Issue on Multimedia Mobile Communication Systems) Category: Keyword: broadband mobile communication, transmission performance, multipath propagation, characteristic function method, RAKE reception, parallel transmission,
	Summary \| Full Text:PDF

Distance Dependence of Microwave Delay Spreads Measured in Urban Quasi Line-of-Sight Environments Hironari MASUI Koichi TAKAHASHI Satoshi TAKAHASHI Kouzou KAGE Takehiko KOBAYASHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/12/25 Vol. E82-B No. 12 pp. 1997-2003 Type of Manuscript: Special Section PAPER (Special Issue on Multimedia Mobile Communication Systems) Category: Keyword: mobile communication, radio propagation, delay spread, break point, microwave,
	Summary \| Full Text:PDF

Path Loss Modeling of Line-of-Sight Microwave Urban Propagation with Low-Height Antenna Mobile Stations Koichi TAKAHASHI Hironari MASUI Satoshi TAKAHASHI Kouzou KAGE Takehiko KOBAYASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1999/07/25 Vol. E82-C No. 7 pp. 1330-1333 Type of Manuscript: Special Section LETTER (Special Issue on Microwave and Millimeter Wave Technology) Category: Keyword: mobile communication, radio propagation, path loss, excess loss, low antenna height,
	Summary \| Full Text:PDF

Difference of Path-Loss Characteristics due to Mobile Antenna Heights in Microwave Urban Propagation Hironari MASUI Koichi TAKAHASHI Satoshi TAKAHASHI Kouzou KAGE Takehiko KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/07/25 Vol. E82-A No. 7 pp. 1144-1150 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: microwave propagation, urban areas, path loss, break point, mobile antenna height,
	Summary \| Full Text:PDF

Delay Profile Measurement System for Microwave Broadband Transmission and Analysis of Delay Characteristics in an Urban Environment Hironari MASUI Koichi TAKAHASHI Satoshi TAKAHASHI Kouzou KAGE Takehiko KOBAYASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1999/07/25 Vol. E82-C No. 7 pp. 1287-1292 Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology) Category: Systems Keyword: microwave propagation, urban areas, delay profile, delay spread, mobile antenna height,
	Summary \| Full Text:PDF

Propagation-Loss Prediction Using Ray Tracing with a Random-Phase Technique Satoshi TAKAHASHI Yoshihide YAMADA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/07/25 Vol. E81-A No. 7 pp. 1445-1451 Type of Manuscript: Special Section PAPER (Special Section on Fundamentals of Multi-dimensional Mobile Information Network) Category: Keyword: radio propagation, propagation-loss prediction, ray tracing, random-phase technique, probability-based cell design,
	Summary \| Full Text:PDF

An HMM State Duration Control Algorithm Applied to Large-Vocabulary Spontaneous Speech Recognition Satoshi TAKAHASHI Yasuhiro MINAMI Kiyohiro SHIKANO
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 1995/06/25 Vol. E78-D No. 6 pp. 648-653 Type of Manuscript: Special Section PAPER (Special Issue on Spoken Language Processing) Category: Keyword: HMM, duration control, trellis likelihood calculation, large-vocabulary speech recognition,
	Summary \| Full Text:PDF

Isolated Word Recognition Using Pitch Pattern Information Satoshi TAKAHASHI Sho-ichi MATSUNAGA Shigeki SAGAYAMA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1993/02/25 Vol. E76-A No. 2 pp. 231-236 Type of Manuscript: PAPER Category: Speech Keyword: word recognition, pitch pattern, accent type, HMM,
	Summary \| Full Text:PDF