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Takatoshi SUGIYAMA

Wireless Network Coding Diversity Technique Based on Hybrid AF/DF Relay Method Employing Adaptive Power Control at Relay Node for Bidirectional Two-Hop Wireless Networks Nobuaki OTSUKI Takatoshi SUGIYAMA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/12/01 Vol. E95-B No. 12 pp. 3772-3785 Type of Manuscript: PAPER Category: Fundamental Theories for Communications Keyword: wireless network coding, diversity, error propagation, position flexibility,
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Implementation of a TDMA Based Wireless Network Coding Prototype System with Ethernet Frame Aggregation Nobuaki OTSUKI Takatoshi SUGIYAMA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/12/01 Vol. E95-B No. 12 pp. 3752-3759 Type of Manuscript: Special Section PAPER (Special Section on Coding and Coding Theory-Based Signal Processing for Wireless Communications) Category: Keyword: wireless network coding, multihop, TDMA, GPS,
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Novel Polarization-Tracking-Free Mobile Satellite Communication Systems and On-Ground Polarization-Forming Technique Yoshinori SUZUKI Takatoshi SUGIYAMA Kiyoshi KOBAYASHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/11/01 Vol. E95-B No. 11 pp. 3412-3419 Type of Manuscript: Special Section PAPER (Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2011) Category: Keyword: communication satellite, earth station, and polarization forming,
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Novel Channel Allocation Algorithm Using Spectrum Control Technique for Effective Usage of both Satellite Transponder Bandwidth and Satellite Transmission Power Katsuya NAKAHIRA Jun-ichi ABE Jun MASHINO Takatoshi SUGIYAMA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/11/01 Vol. E95-B No. 11 pp. 3393-3403 Type of Manuscript: Special Section PAPER (Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2011) Category: Keyword: satellite communication, channel allocation, adaptive coding and modulation, multi-carrier transmission, single-carrier transmission, spectrum compression, spectrum division, DAMA,
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A Highly Efficient DAMA Algorithm for Making Maximum Use of both Satellite Transponder Bandwidth and Transmission Power Katsuya NAKAHIRA Takatoshi SUGIYAMA Hiroki NISHIYAMA Nei KATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/08/01 Vol. E95-B No. 8 pp. 2619-2630 Type of Manuscript: PAPER Category: Satellite Communications Keyword: satellite communication, channel allocation, adaptive modulation and coding, multi-carrier transmission, DAMA,
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Spectral Efficiency Improvement of Fractional Frequency Reuse by Inter-Cell Interference Cancellation on Cooperative Base Station Kazuki MARUTA Atsushi OHTA Masataka IIZUKA Takatoshi SUGIYAMA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/06/01 Vol. E95-B No. 6 pp. 2164-2168 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: inter-cell interference cancellation, base station cooperation, fractional frequency reuse,
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Enhancement of CSMA/CA and Network Coding in Single-Relay Multi-User Wireless Networks Chun-Hsiang HUANG Daisuke UMEHARA Satoshi DENNO Masahiro MORIKURA Takatoshi SUGIYAMA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/12/01 Vol. E93-B No. 12 pp. 3371-3380 Type of Manuscript: Special Section PAPER (Special Section on Wireless Distributed Networks) Category: Keyword: single-relay multi-user networks, network coding, CSMA/CA, CW_min optimization, wireless throughput, fairness,
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Plane-Wave and Vector-Rotation Approximation Technique for Reducing Computational Complexity to Simulate MIMO Propagation Channel Using Ray-Tracing Wataru YAMADA Naoki KITA Takatoshi SUGIYAMA Toshio NOJIMA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/12/01 Vol. E92-B No. 12 pp. 3850-3860 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: MIMO propagation channel prediction technique, ray-tracing method, imaging algorithm, substitution technique,
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Implementation and Performance Evaluation of Simple SDM-COFDM Prototype Using Propagation Coefficient Matrix Tracking for Fast Fading MIMO Channels Takatoshi SUGIYAMA Satoshi KUROSAKI Daisei UCHIDA Yusuke ASAI Masahiro UMEHIRA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/01/01 Vol. E88-B No. 1 pp. 58-65 Type of Manuscript: Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1) Category: Space Division Multiplexing Keyword: SDM, OFDM, MIMO, ZF, frequency utilization efficiency,
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A Reduced-Complexity Signal Detection Scheme Employing ZF and K-Best Algorithms for OFDM/SDM Takafumi FUJITA Atsushi OHTA Takeshi ONIZAWA Takatoshi SUGIYAMA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/01/01 Vol. E88-B No. 1 pp. 66-75 Type of Manuscript: Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1) Category: Space Division Multiplexing Keyword: OFDM, SDM, MIMO, MLD, Zero-Forcing, K-best, M-algorithm, IEEE 802.11a,
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A SDM-COFDM Scheme Employing a Simple Feed-Forward Inter-Channel Interference Canceller for MIMO Based Broadband Wireless LANs Satoshi KUROSAKI Yusuke ASAI Takatoshi SUGIYAMA Masahiro UMEHIRA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/01/01 Vol. E86-B No. 1 pp. 283-290 Type of Manuscript: Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications) Category: Keyword: SDM-COFDM, MIMO, propagation matrix, likelihood-weighting, soft decision Viterbi decoding,
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OFDM/CDMA Technologies for Future Broadband Mobile Communication Systems Masahiro UMEHIRA Takatoshi SUGIYAMA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/12/01 Vol. E85-A No. 12 pp. 2804-2812 Type of Manuscript: INVITED PAPER (Special Section on Spread Spectrum Techniques and Applications) Category: Keyword: CDMA, OFDM, SDM, MIMO, link adaptation,
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An FFT Interference Detection Scheme for Interference Suppression in Digital Satellite Communication Systems Takatoshi SUGIYAMA Masanobu SUZUKI Shuji KUBOTA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/09/20 Vol. E80-B No. 9 pp. 1352-1362 Type of Manuscript: PAPER Category: Satellite Communication Keyword: digital satellite communication, co-channel interference, interference suppression, notch filter, FEC, FFT,
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A Novel FEC Scheme for Differentially Detected QPSK Signals in Mobile Computing Using High-Speed Wireless Access Takatoshi SUGIYAMA Masahiro UMEHIRA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/08/20 Vol. E80-B No. 8 pp. 1153-1159 Type of Manuscript: Special Section PAPER (Special Issue on Mobile Computing) Category: Keyword: mobile computing, high-speed wireless access, differential detection, nonredundant error correction, double symbol error, parallel encoding random FEC, rician fading,
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A New AFC Circuit Employing Double-Product Type Frequency Discriminator in Very-Low CNR Environments Nobuaki MOCHIZUKI Takatoshi SUGIYAMA Masahiro UMEHIRA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/01/20 Vol. E80-B No. 1 pp. 25-32 Type of Manuscript: Special Section PAPER (Special Issue on Advances in Satellite Communications toward Multimedia Era) Category: Modem and Coding Keyword: multimedia satellite communication, high coding gain FEC, very-low CNR environments, AFC, double-product type frequency discriminator, click noise,
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A Half-Chip Offset QPSK Modulation CDMA Scheme Employing Differential Detection for Advanced Wireless LAN Systems Takatoshi SUGIYAMA Masato MIZOGUCHI Shuji KUBOTA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1996/05/20 Vol. E79-B No. 5 pp. 693-700 Type of Manuscript: PAPER Category: Radio Communication Keyword: offset QPSK-CDMA, nonlinear channel, differential detection, forward error correction, time diversity, frequency utilization efficiency,
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An Integrated Interference Suppression Scheme with An Adaptive Equalizer for Digital Satellite Communication Systems Takatoshi SUGIYAMA Masanobu SUZUKI Shuji KUBOTA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1996/02/20 Vol. E79-B No. 2 pp. 191-197 Type of Manuscript: PAPER Category: Satellite Communication Keyword: satellite communication, co-channel interference, interference suppression, notch filter, FEC, adaptive equalizer,
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A Frequency Utilization Ffficiency Improvement on Superposed SSMA-QPSK Signal Transmission over High Speed QPSK Signals in Nonlinear Channels Takatoshi SUGIYAMA Hiroshi KAZAMA Masahiro MORIKURA Shuji KUBOTA Shuzo KATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1993/05/20 Vol. E76-B No. 5 pp. 480-487 Type of Manuscript: Special Section PAPER (Special Issue on Satellite Communications Networking and Applications) Category: Keyword: SSMA-QPSK signals, high speed QPSK signals, superposed transmission, FEC, interference cancellation, non-linear channel,
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