IEICE Trans

Kenichi TAKIZAWA

Use of Cyclic-Delay Diversity (CDD) with Modified Channel Estimation for FER Improvement in OFDM Downlink Masafumi MORIYAMA Kenichi TAKIZAWA Hayato TEZUKA Fumihide KOJIMA
Publication: Publication Date: 2022/03/01 Vol. E105-B No. 3 pp. 326-337 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: IoT, OFDM, STBC, CDD, channel estimation,
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Accelerating Outdoor UWB — Domestic Regulation Transition and Standardization within IEEE 802.15 Huan-Bang LI Kenichi TAKIZAWA Fumihide KOJIMA
Publication: Publication Date: 2020/01/01 Vol. E103-A No. 1 pp. 269-277 Type of Manuscript: INVITED PAPER (Special Section on Wideband Systems) Category: Keyword: impulse radio ultra-wideband (IR-UWB), outdoor utilization, domestic regulation, IEEE 802.15, standardization, localization accuracy,
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Experimental Evaluation of a Novel Up-Link NOMA System for IoT Communication Equipping Repetition Transmission and Receive Diversity Masafumi MORIYAMA Kenichi TAKIZAWA Masayuki OODO Hayato TEZUKA Fumihide KOJIMA
Publication: Publication Date: 2019/08/01 Vol. E102-B No. 8 pp. 1467-1476 Type of Manuscript: Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G and Beyond) Category: Keyword: IoT, NOMA, SIC, SD, RT,
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Detection Capability of Downlink Signals in Mobile WiMAX and 3GPP LTE with an FFT-Based UWB Receiver Kenichi TAKIZAWA Hirotaka YAMANE Huan-Bang LI Feng LU Kohei OHNO Takuji MOCHIZUKI Takashi OKADA Kunio YATA Hisashi NISHIKAWA Takehiko KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2013/01/01 Vol. E96-A No. 1 pp. 285-292 Type of Manuscript: Special Section PAPER (Special Section on Wideband Systems) Category: Keyword: ultra wideband (UWB), coexistence, detect-and-avoid (DAA), mobile WiMAX, 3GPP LTE,
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Examination of Effective UWB Avoidance Based on Experiments for Coexistence with Other Wireless Systems Huan-Bang LI Kunio YATA Kenichi TAKIZAWA Noriaki MIYAZAKI Takashi OKADA Kohei OHNO Takuji MOCHIZUKI Eishin NAKAGAWA Takehiko KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2013/01/01 Vol. E96-A No. 1 pp. 274-284 Type of Manuscript: Special Section PAPER (Special Section on Wideband Systems) Category: Keyword: UWB, interference avoidance, subcarrier nullification, notch, clearance spacing,
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Optimum Threshold for Indoor UWB ToA-Based Ranging Marzieh DASHTI Mir GHORAISHI Katsuyuki HANEDA Jun-ichi TAKADA Kenichi TAKIZAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/10/01 Vol. E94-A No. 10 pp. 2002-2012 Type of Manuscript: PAPER Category: Spread Spectrum Technologies and Applications Keyword: ranging, positioning, ultra-wide-band, time-of-arrival estimation, detection,
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Performance Evaluation of Wireless Communications for Capsule Endoscopy Kenichi TAKIZAWA Takahiro AOYAGI Kiyoshi HAMAGUCHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/09/01 Vol. E94-B No. 9 pp. 2488-2491 Type of Manuscript: Special Section LETTER (Special Section on Information Communication Technology for Highly Reliable Human Health Care Services) Category: Keyword: body area networks, capsule endoscopy, received signal strength,
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Novel Joint Source-Channel Coding of Periodic ECG Signals for Reliable Wireless Patient Monitoring Katsuhiro WATANABE Kenichi TAKIZAWA Tetsushi IKEGAMI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/04/01 Vol. E93-B No. 4 pp. 819-825 Type of Manuscript: Special Section PAPER (Special Section on Information and Communication Technology for Wellness and Medical Applications) Category: Keyword: channel coding, ECG (electrocardiogram), side information, correlation,
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Development of an Implantable WBAN Path-Loss Model for Capsule Endoscopy Takahiro AOYAGI Kenichi TAKIZAWA Takehiko KOBAYASHI Jun-ichi TAKADA Kiyoshi HAMAGUCHI Ryuji KOHNO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/04/01 Vol. E93-B No. 4 pp. 846-849 Type of Manuscript: Special Section LETTER (Special Section on Information and Communication Technology for Wellness and Medical Applications) Category: Keyword: wireless body area network (WBAN), implantable WBAN, capsule endoscopy, path loss model,
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Channel Model on Various Frequency Bands for Wearable Body Area Network Norihiko KATAYAMA Kenichi TAKIZAWA Takahiro AOYAGI Jun-ichi TAKADA Huan-Bang LI Ryuji KOHNO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/02/01 Vol. E92-B No. 2 pp. 418-424 Type of Manuscript: Special Section PAPER (Special Section on Medical Information and Communications Technologies) Category: Keyword: body area network (BAN), wearable BAN channel model, path loss model,
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A Study on Possibility of Detecting IEEE802.15.4a Signals for Spectrum Sharing Makoto HASEGAWA Tetsushi IKEGAMI Kenichi TAKIZAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/11/01 Vol. E91-A No. 11 pp. 3201-3205 Type of Manuscript: Special Section LETTER (Special Section on Wideband Systems) Category: Keyword: UWB, IEEE802.15.4a, signal detection,
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Low-Complexity Viterbi Equalizer for MBOK DS-UWB Systems Kenichi TAKIZAWA Ryuji KOHNO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/09/01 Vol. E88-A No. 9 pp. 2350-2355 Type of Manuscript: Special Section PAPER (Special Section on Ultra Wideband Systems) Category: Coding Keyword: ultra wideband (UWB), M-ary biorthogonal keying (MBOK), equalization, delayed decision-feedback sequence estimation (DDFSE),
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Combined Iterative Demapping and Decoding for Coded MBOK DS-UWB Systems Kenichi TAKIZAWA Ryuji KOHNO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/10/01 Vol. E87-A No. 10 pp. 2621-2629 Type of Manuscript: Special Section PAPER (Special Section on Wide Band Systems) Category: Keyword: ultra wideband, iterative decoding, M-ary biorthogonal keying(MBOK), multipath fading channels,
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