IEICE Trans

Riichi KUDO

Experimental Validation of Link Quality Prediction Using Exact Self-Status of Mobility Robots in Wireless LAN Systems Riichi KUDO Matthew COCHRANE Kahoko TAKAHASHI Takeru INOUE Kohei MIZUNO
Publication: Publication Date: 2020/12/01 Vol. E103-B No. 12 pp. 1385-1393 Type of Manuscript: Special Section PAPER (Special Section on IoT Sensor Networks and Mobile Intelligence) Category: Keyword: mobility robot, link quality prediction, machine learning, wireless LAN, random forest regression,
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User Equipment Centric Downlink Access in Unlicensed Spectrum for Heterogeneous Mobile Network Riichi KUDO B. A. Hirantha Sithira ABEYSEKERA Yusuke ASAI Takeo ICHIKAWA Yasushi TAKATORI Masato MIZOGUCHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2015/10/01 Vol. E98-B No. 10 pp. 1969-1977 Type of Manuscript: Special Section PAPER (Special Section on 5G Radio Access Networks―Part II: Multi-RAT Heterogeneous Networks and Smart Radio Technologies) Category: Keyword: heterogeneous network, CSMA/CA, unlicensed spectrum, wireless LAN, RXOP, hidden terminal problem,
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Weighted-Combining Calibration on Multiuser MIMO Systems with Implicit Feedback Hayato FUKUZONO Tomoki MURAKAMI Riichi KUDO Yasushi TAKATORI Masato MIZOGUCHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2015/04/01 Vol. E98-B No. 4 pp. 701-713 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: multiple-input multiple-output (MIMO), channel reciprocity, implicit feedback, calibration, minimum mean square error (MMSE),
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Maximum Likelihood Demodulators and Their Evaluations on Amplify-and-Forward Cooperative OFDM-Based Wireless LAN Systems Hayato FUKUZONO Yusuke ASAI Riichi KUDO Koichi ISHIHARA Masato MIZOGUCHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2014/11/01 Vol. E97-B No. 11 pp. 2435-2448 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: cooperative communication, orthogonal frequency division multiplexing (OFDM), wireless local area network (LAN), amplify-and-forward (AF) mode, Golden code, Alamouti code, log likelihood ratio,
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Implementation and Evaluation of Real-Time Distributed Zero-Forcing Beamforming for Downlink Multi-User MIMO Systems Tomoki MURAKAMI Koichi ISHIHARA Riichi KUDO Yusuke ASAI Takeo ICHIKAWA Masato MIZOGUCHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/10/01 Vol. E96-B No. 10 pp. 2521-2529 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2012) Category: Wireless Communication Technologies Keyword: multiuser MIMO, inter-cell interference, distributed system, wireless LAN system,
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Game-Theoretic Analysis of Multibandwidth Channel Selection by Coordinated APs in WLANs Kohei HANADA Koji YAMAMOTO Masahiro MORIKURA Koichi ISHIHARA Riichi KUDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/06/01 Vol. E96-B No. 6 pp. 1277-1287 Type of Manuscript: Special Section PAPER (Special Section on Heterogeneous Networks for Future Cellular Systems) Category: Keyword: wireless LAN, multibandwidth, channel selection, IEEE 802.11ac, overlapping BSS, game theory,
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Performance Evaluation of Interference-Aware Multi-Cell Beamforming for an Overlapping Cells Environment Tomoki MURAKAMI Riichi KUDO Takeo ICHIKAWA Naoki HONMA Masato MIZOGUCHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/06/01 Vol. E96-B No. 6 pp. 1492-1501 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: MIMO, multi-cell beamforming, inter-cell interference (ICI), WLAN, decentralized control scheme,
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A Band-Divided Receiver Prototype for Wideband Optical Signals Munehiro MATSUI Riichi KUDO Yasushi TAKATORI Tadao NAKAGAWA Koichi ISHIHARA Masato MIZOGUCHI Takayuki KOBAYASHI Yutaka MIYAMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/07/01 Vol. E94-B No. 7 pp. 1801-1808 Type of Manuscript: Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network) Category: Keyword: coherent receiver, analog to digital converter, OFDM, real-time, heterodyne receiver,
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A Stochastic Approach to Design MIMO Antenna with Parasitic Elements Based on Propagation Characteristics Naoki HONMA Kentaro NISHIMORI Riichi KUDO Yasushi TAKATORI Takefumi HIRAGURI Masato MIZOGUCHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/10/01 Vol. E93-B No. 10 pp. 2578-2585 Type of Manuscript: Special Section PAPER (Special Section on Advanced Technologies in Antennas and Propagation in Conjunction with Main Topics of ISAP2009) Category: Antennas Keyword: MIMO, parasitic antennas, mobile antennas, Yagi-Uda arrays,
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1616 MIMO Testbed for MU-MIMO Downlink Transmission Kentaro NISHIMORI Riichi KUDO Naoki HONMA Yasushi TAKATORI Masato MIZOGUCHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/02/01 Vol. E93-B No. 2 pp. 345-352 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: multiuser MIMO, adaptive modulation scheme, OFDM, eigenvalue, bit interleaver,
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Frequency-Domain Equalization for Coherent Optical Single-Carrier Transmission Systems Koichi ISHIHARA Takayuki KOBAYASHI Riichi KUDO Yasushi TAKATORI Akihide SANO Yutaka MIYAMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/12/01 Vol. E92-B No. 12 pp. 3736-3743 Type of Manuscript: PAPER Category: Fiber-Optic Transmission for Communications Keyword: frequency-domain equalization (FDE), coherent optical transmission, chromatic dispersion (CD), polarization mode dispersion (PMD), digital signal processing (DSP),
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A New User Selection Measure in Block Diagonalization Algorithm for Multiuser MIMO Systems Riichi KUDO Yasushi TAKATORI Kentaro NISHIMORI Atsushi OHTA Shuji KUBOTA Masato MIZOGUCHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/10/01 Vol. E92-B No. 10 pp. 3206-3218 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: multiuser MIMO, user selection, block diagonalization, channel capacity,
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Antenna Selection Method for Terminal Antennas Employing Orthogonal Polarizations and Patterns in Outdoor Multiuser MIMO System Naoki HONMA Riichi KUDO Kentaro NISHIMORI Yasushi TAKATORI Atsushi OHTA Shuji KUBOTA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/06/01 Vol. E91-B No. 6 pp. 1752-1759 Type of Manuscript: Special Section PAPER (Special Section on 2007 International Symposium on Antennas and Propagation) Category: Smart Antennas & MIMO Keyword: MIMO, multiuser, urban environment, polarization, pattern, antenna selection,
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New Downlink Beamforming Method for Cooperative Multiple Access Point Systems Riichi KUDO Yasushi TAKATORI Kentaro NISHIMORI Atsushi OHTA Shuji KUBOTA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/09/01 Vol. E90-B No. 9 pp. 2303-2311 Type of Manuscript: Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation) Category: Smart Antennas Keyword: MIMO, downlink, beamforming, multiple access point system,
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New Robust Beamforming Method for Frequency Offsets in Uplink Multiuser OFDM-MIMO Yasushi TAKATORI Riichi KUDO Atsushi OHTA Koichi ISHIHARA Kentaro NISHIMORI Shuji KUBOTA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/09/01 Vol. E90-B No. 9 pp. 2312-2320 Type of Manuscript: Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation) Category: Smart Antennas Keyword: multiuser MIMO, uplink, beamforming, frequency offset,
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Novel Downlink Beamforming Method Using Selective STBC with Common Eigenvectors for MIMO-OFDM Systems Riichi KUDO Yasushi TAKATORI Kentaro NISHIMORI Koichi TSUNEKAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/08/01 Vol. E89-B No. 8 pp. 2170-2179 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: MIMO, eigenvector, OFDM, achievable spectrum efficiency, STBC, beamforming, maximum Doppler frequency, feedback overhead,
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Frequency Correlation Characteristics Due to Antenna Configurations in Broadband MIMO Transmission Kentaro NISHIMORI Nobuhiko TACHIKAWA Yasushi TAKATORI Riichi KUDO Koichi TSUNEKAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/06/01 Vol. E88-B No. 6 pp. 2438-2445 Type of Manuscript: Special Section PAPER (Special Section on 2004 International Symposium on Antennas and Propagation) Category: Keyword: MIMO, frequency correlation, antenna arrangement, OFDM, delay signals, angular spread,
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