Chikara Ohta

Publication Activity (10 Years)

Years Active: 1993-2024
Publications (10 Years): 33

Top Topics

Hierarchical Agglomerative

Search And Rescue

Wireless Networks

Top Venues

Publications

Ryota Matsumoto, Patrick Finnerty, Chikara Ohta, Tomio Kamada
Poster: Multi-Agent Transformer for Dynamic Allocation of Distributed Applications on the Edge. VNC (2024)
Yu Sun, Patrick Finnerty, Chikara Ohta
BLE-Based Outdoor Localization With Two-Ray Ground-Reflection Model Using Optimization Algorithms. IEEE Access 12 (2024)
Zhiyi Zhu, Eiji Takimoto, Patrick Finnerty, Chikara Ohta
A CQI and Hysteretic-Based Decision Algorithm to Prevent Handover Failures for Pedestrian Mobility in Mobile Communication HetNet. IEEE Access 12 (2024)
Sidi Mohamed Mohi Dine, Patrick Finnerty, Chikara Ohta
HAC: Hierarchical Agglomerative Clustering With Linear Programming for Wireless Sensor Networks. IEEE Access 12 (2024)
Yoshiki Kawanishi, Patrick Finnerty, Tomio Kamada, Chikara Ohta
Distributed Cell Set : A Library for Space-Dependent Communication/Computation Overlap on Manycore Cluster. PMAM@PPoPP (2023)
Patrick Finnerty, Tomio Kamada, Chikara Ohta
Automatically balancing relocatable distributed collections. Concurr. Comput. Pract. Exp. 35 (27) (2023)
Makoto Okuhara, Nobuyuki Kurioka, Patrick Finnerty, Chikara Ohta
Interference Suppression Arbitration Control for In-vehicle Ultra Wideband Wireless Networks. WF-IoT (2023)
Patrick Finnerty, Tomio Kamada, Chikara Ohta
Integrating a global load balancer to an APGAS distributed collections library. PMAM@PPoPP (2022)
Patrick Finnerty, Tomio Kamada, Chikara Ohta
A self-adjusting task granularity mechanism for the Java lifeline-based global load balancer library on many-core clusters. Concurr. Comput. Pract. Exp. 34 (2) (2022)
Hajime Migita, Taiyo Tanaka, Shuji Yamaguchi, Makoto Takenaka, Patrick Finnerty, Tomio Kamada, Chikara Ohta
Optimization of Polling-based MAC Schedule Considering Data Aggregation for In-vehicle UWB Wireless Networks. WF-IoT (2022)
Patrick Finnerty, Yoshiki Kawanishi, Tomio Kamada, Chikara Ohta
Supercharging the APGAS Programming Model with Relocatable Distributed Collections. CoRR (2022)
Tomoya Tanaka, Tomio Kamada, Chikara Ohta
Topic Allocation Method on Edge Servers for Latency-sensitive Notification Service. CoRR (2021)
Takuto Jikyo, Tomio Kamada, Chikara Ohta, Takaharu Yaguchi, Kenji Oyama, Takenao Ohkawa, Ryo Nishide
Error Factor Analysis of DNN-based Fingerprinting Localization through Virtual Space. CCNC (2021)
Tomoya Tanaka, Tomio Kamada, Chikara Ohta
Topic allocation method on edge servers for latency-sensitive notification service. Int. J. Netw. Manag. 31 (6) (2021)
Patrick Finnerty, Tomio Kamada, Chikara Ohta
Self-adjusting task granularity for Global load balancer library on clusters of many-core processors. PMAM@PPoPP (2020)
Takehiro Nagato, Takumi Tsutano, Tomio Kamada, Yumi Takaki, Chikara Ohta
Distributed Key-Value Storage for Edge Computing and Its Explicit Data Distribution Method. IEICE Trans. Commun. (1) (2020)
Go Urakawa, Shigeru Kashihara, Atsushi Yamamoto, Kenta Matsuzaki, Kosei Miyazaki, Masashi Wada, Tomoya Seki, Chikara Ohta, Masahiro Fukumoto
A Methodology of Building Workflow for Search and Rescue Operation with UAV. GHTC (2020)
Tomoya Tanaka, Tomio Kamada, Chikara Ohta
Topic-based Allocation of Distributed Message Processors on Edge-Servers for Real-time Notification Service. APNOMS (2020)
Shigeru Kashihara, Atsushi Yamamoto, Kenta Matsuzaki, Kosei Miyazaki, Tomoya Seki, Go Urakawa, Masahiro Fukumoto, Chikara Ohta
Towards Practical Utilization of Unmanned Aerial Vehicle in Disaster Mitigation - UAV Operation Drill. GHTC (2019)
Shigeru Kashihara, Atsushi Yamamoto, Kenta Matsuzaki, Kosei Miyazaki, Tomoya Seki, Go Urakawa, Masahiro Fukumoto, Chikara Ohta
Wi-SF: Aerial Wi-Fi Sensing Function for Enhancing Search and Rescue Operation. GHTC (2019)
Kou Asano, Naoko Enami, Tomio Kamada, Chikara Ohta
Person ReIDentification for Detection of Pedestrians in Blind Spots through V2V Communications. ITSC (2019)
Keisuke Maesako, Yumi Takaki, Tomio Kamada, Chikara Ohta
Asymmetric Hidden Node Problem Aware Routing Metric for Wireless Mesh Networks. CCNC (2019)
Takehiro Nagato, Takumi Tsutano, Tomio Kamada, Yumi Takaki, Chikara Ohta
Distributed Key-Value Storage for Edge Computing and its Explicit Data Distribution Method. ICOIN (2019)
Shigeru Kashihara, Takemi Sahara, Shigeru Kaneda, Chikara Ohta
Rate Adaptation Mechanism with Available Data Rate Trimming and Data Rate Information Provision for V2I Communications. Mob. Inf. Syst. 2019 (2019)
Ryo Nishide, Ayumi Yamashita, Yumi Takaki, Chikara Ohta, Kenji Oyama, Takenao Ohkawa
Calf Robust Weight Estimation Using 3D Contiguous Cylindrical Model and Directional Orientation from Stereo Images. SoICT (2018)
Mami Aotani, Ryo Nishide, Yumi Takaki, Chikara Ohta, Kenji Oyama, Takenao Ohkawa
Refined Cattle Detection Using Composite Background Subtraction and Brightness Intensity from Bird's Eye Images. SoICT (2018)
Yohei Yamauchi, Ryo Nishide, Yumi Takaki, Chikara Ohta, Kenji Oyama, Takenao Ohkawa
Cattle Community Extraction Using the Interactions Based on Synchronous Behavior. SoICT (2018)
Shunta Fukumoto, Ryo Nishide, Yumi Takaki, Chikara Ohta, Kenji Oyama, Takenao Ohkawa
Quantifying the Approaching Behaviors for Interactions in Detecting Estrus of Breeding Cattle. SoICT (2018)
Yumi Takaki, Makoto Ando, Keisuke Maesako, Keisuke Fujita, Tomio Kamada, Chikara Ohta, Hisashi Tamaki
Efficient and reliable packet transfer protocol for wireless multihop bidirectional communications. Int. J. Distributed Sens. Networks 14 (1) (2018)
Takahiro Kawasaki, Yumi Takaki, Tomio Kamada, Chikara Ohta
A study for improvement of throughput in high-density wireless networks using transmitting opportunity control. ICOIN (2018)
Hiroaki Minami, Yumi Takaki, Chikara Ohta, Hisashi Tamaki
A study on penetration strategy of on-board unit taking account of the type of vehicles in V2V communications. ICOIN (2016)
Irda Roslan, Takahiro Kawasaki, Toshiki Nishiue, Yumi Takaki, Chikara Ohta, Hisashi Tamaki
Control of transmission power and carrier sense threshold to enhance throughput and fairness for dense WLANs. ICOIN (2016)
Keisuke Fujita, Yumi Takaki, Chikara Ohta, Hisashi Tamaki
Side Trip Multipath Routing Protocol for Spatial Node Failure in Data-Gathering WSNs. Int. J. Distributed Sens. Networks 12 (4) (2016)
Takahiro Iwami, Irda Roslan, Yumi Takaki, Kyoko Yamori, Chikara Ohta, Hisashi Tamaki
Utility-Based Distributed Association Control Scheme with User Guidance for IEEE802.11 Wireless LANs. IEICE Trans. Commun. (8) (2015)
Tomohiko Yagyu, Miki Yamamoto, Hideki Tode, Chikara Ohta, James F. Kurose
Demo: Contents sharing among mobile users in breadcrumbs-enabled cache network. CCNC (2015)
Keisuke Fujita, Yumi Takaki, Chikara Ohta, Hisashi Tamaki
Side trip multi-path routing protocol for spatial node failure tolerance in data-gathering WSNs. CCNC (2014)
Hiroki Kawabata, Takaki Onizuka, Yumi Takaki, Chikara Ohta, Hisashi Tamaki
A study on cache suppression control according to content popularity for in-network guidance. CoNEXT Student Workhop (2013)
Ke Cao, Atsushi Kinoshita, Yumi Takaki, Chikara Ohta, Hisashi Tamaki
Efficient urban broadcast protocol for V2V communications with Relay Control. VNC (2013)
Toshinori Kagawa, Takashi Matsuda, Bing Zhang, Ryu Miura, Youiti Kado, Kosuke Teshima, Chikara Ohta
Power provision scheme considering shadowing effect for two-dimensional communication systems. APCC (2013)
Takahiro Iwami, Yumi Takaki, Kyoko Yamori, Chikara Ohta, Hisashi Tamaki
Distributed association control considering user utility and user guidance in IEEE802.11 networks. PIMRC (2013)
Tsutomu Inamoto, Chikara Ohta, Hisashi Tamaki
Gradually resolving procedures by a trip-based integer programming to optimize elevator operations. SCIS&ISIS (2012)
Takashi Matsuda, Shintaro Izumi, Yasuharu Sakai, Takashi Takeuchi, Hidehiro Fujiwara, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
Divided Static Random Access Memory for Data Aggregation in Wireless Sensor Nodes. IEICE Trans. Commun. (1) (2012)
Akindele Segun Afolabi, Erdenebileg Munkhbat, Yumi Takaki, Chikara Ohta, Hisashi Tamaki, Yoshizo Tanaka, Takashi Yamamoto, Yoji Okada
Fair Partitioning of the Downlink Resources of an OFDMA-Based Multi-User Multi-Tier Cellular Network Using Fractional Frequency Reuse. IEICE Trans. Commun. (10) (2012)
Akindele Segun Afolabi, Chikara Ohta, Hisashi Tamaki
Macrocell batch resource allocation for a closed access femto-macro cellular wireless network. WiOpt (2011)
Shintaro Izumi, Takashi Takeuchi, Takashi Matsuda, Hyeokjong Lee, Toshihiro Konishi, Koh Tsuruda, Yasuharu Sakai, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
A 58-µW Single-Chip Sensor Node Processor with Communication Centric Design. IEICE Trans. Electron. (3) (2010)
Takashi Matsuda, Takashi Takeuchi, Takefumi Aonishi, Masumi Ichien, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
A power-variation model for sensor node and the impact against life time of wireless sensor networks. IEICE Electron. Express 7 (3) (2010)
Augusto Foronda, Chikara Ohta, Hisashi Tamaki
Scheduling Algorithm to Provide QoS over a Shared Wireless Link. IEICE Trans. Commun. (6) (2009)
Takashi Takeuchi, Shinji Mikami, Hyeokjong Lee, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
A 433-MHz Rail-to-Rail Voltage Amplifier with Carrier Sensing Function for Wireless Sensor Networks. IEICE Trans. Electron. (6) (2009)
Shintaro Izumi, Takashi Takeuchi, Takashi Matsuda, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
Counter-Based Broadcasting with Hop Count Aware Random Assessment Delay Extension for Wireless Sensor Networks. IEICE Trans. Commun. (11) (2008)
Takashi Takeuchi, Yu Otake, Masumi Ichien, Akihiro Gion, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
Cross-Layer Design for Low-Power Wireless Sensor Node Using Wave Clock. IEICE Trans. Commun. (11) (2008)
Augusto Foronda, Chikara Ohta, Hisashi Tamaki
Scheduling Algorithms for Maximizing Throughput with Zero-Forcing Beamforming in a MIMO Wireless System. IEICE Trans. Commun. (6) (2008)
Takashi Matsuda, Takafumi Aonishi, Takashi Takeuchi, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
Multipath Routing using Isochronous Medium Access Control with Multi Wakeup Period for Wireless Sensor Networks. ISWCS (2007)
Augusto Foronda, Chikara Ohta, Hisashi Tamaki
A Fair Scheduling Algorithm to Improve Stability Region with Zero-Forcing Beamforming for a Multiuser MIMO Wireless Systems. ISWCS (2007)
Takashi Matsuda, Masumi Ichien, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
Data Transmission Scheduling Based on RTS/CTS Exchange for Periodic Data Gathering Sensor Networks. IEICE Trans. Commun. (12) (2007)
Yuhi Higuchi, Augusto Foronda, Chikara Ohta, Masahiko Yoshimoto, Yoji Okada
Delay Guarantee and Service Interval Optimization for HCCA in IEEE 802.11e WLANs. WCNC (2007)
Fumio Ishizaki, Chikara Ohta
Analysis of the statistical time-access fairness index under a scheduler exploiting multiuser diversity. WTS (2007)
Augusto Foronda, Yuhi Higuchi, Chikara Ohta, Masahiko Yoshimoto, Yoji Okada
Service Interval Optimization with Delay Bound Guarantee for HCCA in IEEE 802.11e WLANs. IEICE Trans. Commun. (11) (2007)
Takafumi Aonishi, Takashi Matsuda, Shinji Mikami, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
Impact of Aggregation Efficiency on GIT Routing forWireless Sensor Networks. ICPP Workshops (2006)
Shinji Mikami, Takafumi Aonishi, Hironori Yoshino, Chikara Ohta, Hiroshi Kawaguchi, Masahiko Yoshimoto
Aggregation Efficiency-Aware Greedy Incremental Tree Routing for Wireless Sensor Networks. IEICE Trans. Commun. (10) (2006)
Chikara Ohta, Zihui Ge, Yang Guo, Jim Kurose
Index-server optimization for P2P file sharing in mobile ad hoc networks. GLOBECOM (2004)
Chikara Ohta, Tetsuya Takine, Masayuki Murata
Bounded-delay and loss-free guarantees for real-time video in integrated services packet networks. Int. J. Commun. Syst. 13 (1) (2000)
Chikara Ohta, Masakatu Morii
Feedback picture sequence control for real-time MPEG video transfer through ATM networks. ICC (1999)
Shinya Tojo, Fumio Ishizaki, Chikara Ohta
Phase Assignment Algorithm Based on Traffic Measurement for Periodic VBR Sources in ATM Networks. ICCCN (1998)
Fumio Ishizaki, Chikara Ohta
Finding good combinations of initial phases for periodic sources in discrete-time queues. ICC (1998)
Chikara Ohta, Hideki Tode, Miki Yamamoto, Hiromi Okada, Yoshikazu Tezuka
A Peak Rate Regulation Scheme for ATM Networks and Its Performance. INFOCOM (1993)
Miki Yamamoto, Toshihito Hirata, Chikara Ohta, Hideki Tode, Hiromi Okada, Yoshikazu Tezuka
Traffic Control Scheme for Interconnection of FDDI Networks through an ATM Network. INFOCOM (1993)