IEICE Trans

Chikara OHTA

Distributed Key-Value Storage for Edge Computing and Its Explicit Data Distribution Method Takehiro NAGATO Takumi TSUTANO Tomio KAMADA Yumi TAKAKI Chikara OHTA
Publication: Publication Date: 2020/01/01 Vol. E103-B No. 1 pp. 20-31 Type of Manuscript: Special Section PAPER (Special Section on Internet Architecture, Applications and Operation Technologies for a Cyber-Physical System) Category: Network Keyword: edge computing, pub/sub system, distributed key-value storage, distributed cache,
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Utility-Based Distributed Association Control Scheme with User Guidance for IEEE802.11 Wireless LANs Takahiro IWAMI Irda ROSLAN Yumi TAKAKI Kyoko YAMORI Chikara OHTA Hisashi TAMAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2015/08/01 Vol. E98-B No. 8 pp. 1700-1714 Type of Manuscript: PAPER Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: IEEE802.11, throughput estimation, association control, handover, user guidance, user utility,
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Fair Partitioning of the Downlink Resources of an OFDMA-Based Multi-User Multi-Tier Cellular Network Using Fractional Frequency Reuse Akindele Segun AFOLABI Erdenebileg MUNKHBAT Yumi TAKAKI Chikara OHTA Hisashi TAMAKI Yoshizo TANAKA Takashi YAMAMOTO Yoji OKADA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/10/01 Vol. E95-B No. 10 pp. 3353-3357 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: resource partitioning, OFDMA, FFR, macrocell, femtocell,
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Divided Static Random Access Memory for Data Aggregation in Wireless Sensor Nodes Takashi MATSUDA Shintaro IZUMI Yasuharu SAKAI Takashi TAKEUCHI Hidehiro FUJIWARA Hiroshi KAWAGUCHI Chikara OHTA Masahiko YOSHIMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/01/01 Vol. E95-B No. 1 pp. 178-188 Type of Manuscript: PAPER Category: Network Keyword: wireless sensor network, data aggregation, data storage management, SRAM,
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A 58-µW Single-Chip Sensor Node Processor with Communication Centric Design Shintaro IZUMI Takashi TAKEUCHI Takashi MATSUDA Hyeokjong LEE Toshihiro KONISHI Koh TSURUDA Yasuharu SAKAI Hiroshi KAWAGUCHI Chikara OHTA Masahiko YOSHIMOTO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/03/01 Vol. E93-C No. 3 pp. 261-269 Type of Manuscript: Special Section PAPER (Special Section on Circuits and Design Techniques for Advanced Large Scale Integration) Category: Keyword: cross-layer design, sensor networks, sensor node, MAC protocol, time synchronization, low power,
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A 433-MHz Rail-to-Rail Voltage Amplifier with Carrier Sensing Function for Wireless Sensor Networks Takashi TAKEUCHI Shinji MIKAMI Hyeokjong LEE Hiroshi KAWAGUCHI Chikara OHTA Masahiko YOSHIMOTO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2009/06/01 Vol. E92-C No. 6 pp. 815-821 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: wireless sensor network, amplifier,
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Scheduling Algorithm to Provide QoS over a Shared Wireless Link Augusto FORONDA Chikara OHTA Hisashi TAMAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/06/01 Vol. E92-B No. 6 pp. 2160-2167 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: wireless network, modified largest weighted delay first (M-LWDF), proportional fair (PF), effective bandwidth,
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Cross-Layer Design for Low-Power Wireless Sensor Node Using Wave Clock Takashi TAKEUCHI Yu OTAKE Masumi ICHIEN Akihiro GION Hiroshi KAWAGUCHI Chikara OHTA Masahiko YOSHIMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/11/01 Vol. E91-B No. 11 pp. 3480-3488 Type of Manuscript: Special Section PAPER (Special Section on Emerging Technologies for Practical Ubiquitous and Sensor Networks) Category: Keyword: cross-layer design, crystal oscillator, long-wave standard time code, low power listening, MAC,
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Counter-Based Broadcasting with Hop Count Aware Random Assessment Delay Extension for Wireless Sensor Networks Shintaro IZUMI Takashi TAKEUCHI Takashi MATSUDA Hiroshi KAWAGUCHI Chikara OHTA Masahiko YOSHIMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/11/01 Vol. E91-B No. 11 pp. 3489-3498 Type of Manuscript: Special Section PAPER (Special Section on Emerging Technologies for Practical Ubiquitous and Sensor Networks) Category: Keyword: sensor network, broadcast, flooding, counter-based scheme,
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Scheduling Algorithms for Maximizing Throughput with Zero-Forcing Beamforming in a MIMO Wireless System Augusto FORONDA Chikara OHTA Hisashi TAMAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/06/01 Vol. E91-B No. 6 pp. 1952-1961 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: wireless network, multiple-input/multiple-output (MIMO), zero-forcing beamforming (ZFBF), multiuser diversity,
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Data Transmission Scheduling Based on RTS/CTS Exchange for Periodic Data Gathering Sensor Networks Takashi MATSUDA Masumi ICHIEN Hiroshi KAWAGUCHI Chikara OHTA Masahiko YOSHIMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/12/01 Vol. E90-B No. 12 pp. 3410-3418 Type of Manuscript: Special Section PAPER (Special Section on Ubiquitous Sensor Networks) Category: Keyword: sensor network, data gathering, scheduling, cross-layer,
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Service Interval Optimization with Delay Bound Guarantee for HCCA in IEEE 802.11e WLANs Augusto FORONDA Yuhi HIGUCHI Chikara OHTA Masahiko YOSHIMOTO Yoji OKADA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/11/01 Vol. E90-B No. 11 pp. 3158-3169 Type of Manuscript: PAPER Category: Network Keyword: wireless network, bandwidth optimization, bounded delay, scheduler,
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Aggregation Efficiency-Aware Greedy Incremental Tree Routing for Wireless Sensor Networks Shinji MIKAMI Takafumi AONISHI Hironori YOSHINO Chikara OHTA Hiroshi KAWAGUCHI Masahiko YOSHIMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2006/10/01 Vol. E89-B No. 10 pp. 2741-2751 Type of Manuscript: Special Section PAPER (Special Section on Mobile Multimedia Communications) Category: Keyword: sensor networks, aggregation efficiency, greedy incremental tree routing,
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Moment Calculating Algorithm for Busy-period of Discrete-time Finite-capacity M/G/1 Type Queue Chikara OHTA Masakatu MORII
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2002/01/01 Vol. E85-B No. 1 pp. 293-304 Type of Manuscript: PAPER Category: Network Keyword: discrete-time M/G/1 type queue, busy period, moments, HOL priority control,
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Phase Assignment Algorithm Based on Traffic Measurement for Real-time MPEG Sources in ATM Networks Shinya TOJO Fumio ISHIZAKI Chikara OHTA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/12/25 Vol. E82-B No. 12 pp. 2073-2080 Type of Manuscript: PAPER Category: Communication Networks and Services Keyword: ATM, MPEG video, phase assignment, measurement,
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Phase Assignment Control for Periodic and Bursty Sources in ATM Networks Fumio ISHIZAKI Chikara OHTA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1999/07/25 Vol. E82-B No. 7 pp. 1064-1068 Type of Manuscript: LETTER Category: Communication Networks and Services Keyword: ATM, phase assignment control, CAC, periodic and bursty source, MPEG,
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Output Process of Shaper and Switch with Self-Similar Traffic in ATM Networks Chikara OHTA Fumio ISHIZAKI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1998/10/25 Vol. E81-B No. 10 pp. 1936-1940 Type of Manuscript: LETTER Category: Switching and Communication Processing Keyword: self-similar traffic, output process, shaper, switch, ATM networks,
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Comparison of Cell Transfer Quality Control for Multimedia Traffic in ATM Networks Chikara OHTA Katsunori SATO Yoshikuni ONOZATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1997/08/25 Vol. E80-B No. 8 pp. 1273-1277 Type of Manuscript: LETTER Category: Switching and Communication Processing Keyword: rate-based congestion control, preventive congestion control, cell transfer quality control, multimedia environment,
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Performance Study of Channel Reservation for Ahead Cells in Street Micro-Cellular Systems Ami KANAZAWA Chikara OHTA Yoshikuni ONOZATO Tsukasa IWAMA Shigetoshi YOSHIMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/07/25 Vol. E79-A No. 7 pp. 990-996 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Informatin Network) Category: Keyword: channel reservation, dynamic channel assignment, street micro-cellular system, channel changings, forced call termination rate,
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A Proposal of Quasi-STM Transmission Method in ATM-Based Network Hideki TODE Noriaki KAMIYAMA Chikara OHTA Miki YAMAMOTO Hiromi OKADA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1993/07/25 Vol. E76-B No. 7 pp. 719-722 Type of Manuscript: Special Section LETTER (Special Section of Letters Selected from the 1992 IEICE Fall Conference and the 1993 IEICE Spring Conference) Category: Keyword: ATM, lossfree, no delay jitter, hierarchical frame, Quasi-STM,
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