Chikara Ohta

74 papers A* 2B 5C 4Journal 31Unranked 32
YearRankTypeTitle / Venue / Authors
2026 C conf
An FPGA-Accelerated Maximum Weight Independent Set Solver for Non-Orthogonal Multiple Access Resource Allocation.
ICCE
Keiyu Takai, Shumpei Yamashita, Jianhao Wang, Zhiyi Zhu, Patrick Finnerty, Chikara Ohta
2026 J jnl
Single-AP indoor localization via multi-directional beamforming.
Ad Hoc Networks
Liuyi Yang, Patrick Finnerty, Tatsunari Sakai, Chikara Ohta
2025 — conf
A Study on E2E Performance Improvement of Platooning Using Outdoor LiFi.
VTC2025-Fall
Zhiyi Zhu, Eiji Takimoto, Patrick Finnerty, Chikara Ohta
2025 J jnl
A Study on E2E Performance Improvement of Platooning Using Outdoor LiFi.
CoRR
Zhiyi Zhu, Eiji Takimoto, Patrick Finnerty, Chikara Ohta
2025 C conf
Efficient QUBO Formulation for Non-Orthogonal Multiple Access.
ICCE
Patrick Finnerty, Hiroto Nakano, Chikara Ohta, Fumio Ishizaki
2025 J jnl
Indoor localization using router-to-router RSSI and transfer learning for dynamic environments.
Ad Hoc Networks
Liuyi Yang, Patrick Finnerty, Chikara Ohta
2025 J jnl
NR Cell Identity-based Handover Decision-making Algorithm for High-speed Scenario within Dual Connectivity.
CoRR
Zhiyi Zhu, Eiji Takimoto, Patrick Finnerty, Junjun Zheng, Shoma Suzuki, Chikara Ohta
2024 J jnl
A CQI and Hysteretic-Based Decision Algorithm to Prevent Handover Failures for Pedestrian Mobility in Mobile Communication HetNet.
IEEE Access
Zhiyi Zhu, Eiji Takimoto, Patrick Finnerty, Chikara Ohta
2024 J jnl
BLE-Based Outdoor Localization With Two-Ray Ground-Reflection Model Using Optimization Algorithms.
IEEE Access
Yu Sun, Patrick Finnerty, Chikara Ohta
2024 J jnl
HAC: Hierarchical Agglomerative Clustering With Linear Programming for Wireless Sensor Networks.
IEEE Access
Sidi Mohamed Mohi Dine, Patrick Finnerty, Chikara Ohta
2024 J jnl
Polling Schedule Algorithms for Data Aggregation with Sensor Phase Control in In-Vehicle UWB Networks.
IEICE Trans. Commun.
Hajime Migita, Yuki Nakagoshi, Patrick Finnerty, Chikara Ohta, Makoto Okuhara
2024 — conf
Poster: Multi-Agent Transformer for Dynamic Allocation of Distributed Applications on the Edge.
VNC
Ryota Matsumoto, Patrick Finnerty, Chikara Ohta, Tomio Kamada
2023 J jnl
Automatically balancing relocatable distributed collections.
Concurr. Comput. Pract. Exp.
Patrick Finnerty, Tomio Kamada, Chikara Ohta
2023 — conf
Distributed Cell Set : A Library for Space-Dependent Communication/Computation Overlap on Manycore Cluster.
PMAM@PPoPP
Yoshiki Kawanishi, Patrick Finnerty, Tomio Kamada, Chikara Ohta
2023 — conf
Interference Suppression Arbitration Control for In-vehicle Ultra Wideband Wireless Networks.
WF-IoT
Makoto Okuhara, Nobuyuki Kurioka, Patrick Finnerty, Chikara Ohta
2022 J jnl
A self-adjusting task granularity mechanism for the Java lifeline-based global load balancer library on many-core clusters.
Concurr. Comput. Pract. Exp.
Patrick Finnerty, Tomio Kamada, Chikara Ohta
2022 — conf
Integrating a global load balancer to an APGAS distributed collections library.
PMAM@PPoPP
Patrick Finnerty, Tomio Kamada, Chikara Ohta
2022 — conf
Optimization of Polling-based MAC Schedule Considering Data Aggregation for In-vehicle UWB Wireless Networks.
WF-IoT
Hajime Migita, Taiyo Tanaka, Shuji Yamaguchi, Makoto Takenaka, Patrick Finnerty, Tomio Kamada, Chikara Ohta
2022 J jnl
Supercharging the APGAS Programming Model with Relocatable Distributed Collections.
CoRR
Patrick Finnerty, Yoshiki Kawanishi, Tomio Kamada, Chikara Ohta
2021 — conf
Error Factor Analysis of DNN-based Fingerprinting Localization through Virtual Space.
CCNC
Takuto Jikyo, Tomio Kamada, Chikara Ohta, Takaharu Yaguchi, Kenji Oyama, Takenao Ohkawa, Ryo Nishide
2021 J jnl
Topic Allocation Method on Edge Servers for Latency-sensitive Notification Service.
CoRR
Tomoya Tanaka, Tomio Kamada, Chikara Ohta
2021 J jnl
Topic allocation method on edge servers for latency-sensitive notification service.
Int. J. Netw. Manag.
Tomoya Tanaka, Tomio Kamada, Chikara Ohta
2020 — conf
A Methodology of Building Workflow for Search and Rescue Operation with UAV.
GHTC
Go Urakawa, Shigeru Kashihara, Atsushi Yamamoto, Kenta Matsuzaki, Kosei Miyazaki, Masashi Wada, Tomoya Seki, Chikara Ohta, Masahiro Fukumoto
2020 J jnl
Distributed Key-Value Storage for Edge Computing and Its Explicit Data Distribution Method.
IEICE Trans. Commun.
Takehiro Nagato, Takumi Tsutano, Tomio Kamada, Yumi Takaki, Chikara Ohta
2020 — conf
Self-adjusting task granularity for Global load balancer library on clusters of many-core processors.
PMAM@PPoPP
Patrick Finnerty, Tomio Kamada, Chikara Ohta
2020 C conf
Topic-based Allocation of Distributed Message Processors on Edge-Servers for Real-time Notification Service.
APNOMS
Tomoya Tanaka, Tomio Kamada, Chikara Ohta
2019 — conf
Asymmetric Hidden Node Problem Aware Routing Metric for Wireless Mesh Networks.
CCNC
Keisuke Maesako, Yumi Takaki, Tomio Kamada, Chikara Ohta
2019 — conf
Distributed Key-Value Storage for Edge Computing and its Explicit Data Distribution Method.
ICOIN
Takehiro Nagato, Takumi Tsutano, Tomio Kamada, Yumi Takaki, Chikara Ohta
2019 — conf
Person ReIDentification for Detection of Pedestrians in Blind Spots through V2V Communications.
ITSC
Kou Asano, Naoko Enami, Tomio Kamada, Chikara Ohta
2019 J jnl
Rate Adaptation Mechanism with Available Data Rate Trimming and Data Rate Information Provision for V2I Communications.
Mob. Inf. Syst.
Shigeru Kashihara, Takemi Sahara, Shigeru Kaneda, Chikara Ohta
2019 — conf
Towards Practical Utilization of Unmanned Aerial Vehicle in Disaster Mitigation - UAV Operation Drill.
GHTC
Shigeru Kashihara, Atsushi Yamamoto, Kenta Matsuzaki, Kosei Miyazaki, Tomoya Seki, Go Urakawa, Masahiro Fukumoto, Chikara Ohta
2019 — conf
Wi-SF: Aerial Wi-Fi Sensing Function for Enhancing Search and Rescue Operation.
GHTC
Shigeru Kashihara, Atsushi Yamamoto, Kenta Matsuzaki, Kosei Miyazaki, Tomoya Seki, Go Urakawa, Masahiro Fukumoto, Chikara Ohta
2018 — conf
A study for improvement of throughput in high-density wireless networks using transmitting opportunity control.
ICOIN
Takahiro Kawasaki, Yumi Takaki, Tomio Kamada, Chikara Ohta
2018 — conf
Calf Robust Weight Estimation Using 3D Contiguous Cylindrical Model and Directional Orientation from Stereo Images.
SoICT
Ryo Nishide, Ayumi Yamashita, Yumi Takaki, Chikara Ohta, Kenji Oyama, Takenao Ohkawa
2018 — conf
Cattle Community Extraction Using the Interactions Based on Synchronous Behavior.
SoICT
Yohei Yamauchi, Ryo Nishide, Yumi Takaki, Chikara Ohta, Kenji Oyama, Takenao Ohkawa
2018 J jnl
Efficient and reliable packet transfer protocol for wireless multihop bidirectional communications.
Int. J. Distributed Sens. Networks
Yumi Takaki, Makoto Ando, Keisuke Maesako, Keisuke Fujita, Tomio Kamada, Chikara Ohta, Hisashi Tamaki
2018 — conf
Quantifying the Approaching Behaviors for Interactions in Detecting Estrus of Breeding Cattle.
SoICT
Shunta Fukumoto, Ryo Nishide, Yumi Takaki, Chikara Ohta, Kenji Oyama, Takenao Ohkawa
2018 — conf
Refined Cattle Detection Using Composite Background Subtraction and Brightness Intensity from Bird's Eye Images.
SoICT
Mami Aotani, Ryo Nishide, Yumi Takaki, Chikara Ohta, Kenji Oyama, Takenao Ohkawa
2016 — conf
A study on penetration strategy of on-board unit taking account of the type of vehicles in V2V communications.
ICOIN
Hiroaki Minami, Yumi Takaki, Chikara Ohta, Hisashi Tamaki
2016 — conf
Control of transmission power and carrier sense threshold to enhance throughput and fairness for dense WLANs.
ICOIN
Irda Roslan, Takahiro Kawasaki, Toshiki Nishiue, Yumi Takaki, Chikara Ohta, Hisashi Tamaki
2016 J jnl
Side Trip Multipath Routing Protocol for Spatial Node Failure in Data-Gathering WSNs.
Int. J. Distributed Sens. Networks
Keisuke Fujita, Yumi Takaki, Chikara Ohta, Hisashi Tamaki
2015 — conf
Demo: Contents sharing among mobile users in breadcrumbs-enabled cache network.
CCNC
Tomohiko Yagyu, Miki Yamamoto, Hideki Tode, Chikara Ohta, James F. Kurose
2015 J jnl
Utility-Based Distributed Association Control Scheme with User Guidance for IEEE802.11 Wireless LANs.
IEICE Trans. Commun.
Takahiro Iwami, Irda Roslan, Yumi Takaki, Kyoko Yamori, Chikara Ohta, Hisashi Tamaki
2014 — conf
Side trip multi-path routing protocol for spatial node failure tolerance in data-gathering WSNs.
CCNC
Keisuke Fujita, Yumi Takaki, Chikara Ohta, Hisashi Tamaki
2013 — conf
A study on cache suppression control according to content popularity for in-network guidance.
CoNEXT Student Workhop
Hiroki Kawabata, Takaki Onizuka, Yumi Takaki, Chikara Ohta, Hisashi Tamaki
2013 B conf
Distributed association control considering user utility and user guidance in IEEE802.11 networks.
PIMRC
Takahiro Iwami, Yumi Takaki, Kyoko Yamori, Chikara Ohta, Hisashi Tamaki
2013 — conf
Efficient urban broadcast protocol for V2V communications with Relay Control.
VNC
Ke Cao, Atsushi Kinoshita, Yumi Takaki, Chikara Ohta, Hisashi Tamaki
2013 C conf
Power provision scheme considering shadowing effect for two-dimensional communication systems.
APCC
Toshinori Kagawa, Takashi Matsuda, Bing Zhang, Ryu Miura, Youiti Kado, Kosuke Teshima, Chikara Ohta
2012 J jnl
Divided Static Random Access Memory for Data Aggregation in Wireless Sensor Nodes.
IEICE Trans. Commun.
Takashi Matsuda, Shintaro Izumi, Yasuharu Sakai, Takashi Takeuchi, Hidehiro Fujiwara, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
2012 J jnl
Fair Partitioning of the Downlink Resources of an OFDMA-Based Multi-User Multi-Tier Cellular Network Using Fractional Frequency Reuse.
IEICE Trans. Commun.
Akindele Segun Afolabi, Erdenebileg Munkhbat, Yumi Takaki, Chikara Ohta, Hisashi Tamaki, Yoshizo Tanaka, Takashi Yamamoto, Yoji Okada
2012 — conf
Gradually resolving procedures by a trip-based integer programming to optimize elevator operations.
SCIS&ISIS
Tsutomu Inamoto, Chikara Ohta, Hisashi Tamaki
2011 B conf
Macrocell batch resource allocation for a closed access femto-macro cellular wireless network.
WiOpt
Akindele Segun Afolabi, Chikara Ohta, Hisashi Tamaki
2010 J jnl
A 58-µW Single-Chip Sensor Node Processor with Communication Centric Design.
IEICE Trans. Electron.
Shintaro Izumi, Takashi Takeuchi, Takashi Matsuda, Hyeokjong Lee, Toshihiro Konishi, Koh Tsuruda, Yasuharu Sakai, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
2010 J jnl
A power-variation model for sensor node and the impact against life time of wireless sensor networks.
IEICE Electron. Express
Takashi Matsuda, Takashi Takeuchi, Takefumi Aonishi, Masumi Ichien, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
2009 J jnl
A 433-MHz Rail-to-Rail Voltage Amplifier with Carrier Sensing Function for Wireless Sensor Networks.
IEICE Trans. Electron.
Takashi Takeuchi, Shinji Mikami, Hyeokjong Lee, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
2009 J jnl
Scheduling Algorithm to Provide QoS over a Shared Wireless Link.
IEICE Trans. Commun.
Augusto Foronda, Chikara Ohta, Hisashi Tamaki
2008 J jnl
Counter-Based Broadcasting with Hop Count Aware Random Assessment Delay Extension for Wireless Sensor Networks.
IEICE Trans. Commun.
Shintaro Izumi, Takashi Takeuchi, Takashi Matsuda, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
2008 J jnl
Cross-Layer Design for Low-Power Wireless Sensor Node Using Wave Clock.
IEICE Trans. Commun.
Takashi Takeuchi, Yu Otake, Masumi Ichien, Akihiro Gion, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
2008 J jnl
Scheduling Algorithms for Maximizing Throughput with Zero-Forcing Beamforming in a MIMO Wireless System.
IEICE Trans. Commun.
Augusto Foronda, Chikara Ohta, Hisashi Tamaki
2007 — conf
A Fair Scheduling Algorithm to Improve Stability Region with Zero-Forcing Beamforming for a Multiuser MIMO Wireless Systems.
ISWCS
Augusto Foronda, Chikara Ohta, Hisashi Tamaki
2007 — conf
Analysis of the statistical time-access fairness index under a scheduler exploiting multiuser diversity.
WTS
Fumio Ishizaki, Chikara Ohta
2007 J jnl
Data Transmission Scheduling Based on RTS/CTS Exchange for Periodic Data Gathering Sensor Networks.
IEICE Trans. Commun.
Takashi Matsuda, Masumi Ichien, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
2007 B conf
Delay Guarantee and Service Interval Optimization for HCCA in IEEE 802.11e WLANs.
WCNC
Yuhi Higuchi, Augusto Foronda, Chikara Ohta, Masahiko Yoshimoto, Yoji Okada
2007 — conf
Multipath Routing using Isochronous Medium Access Control with Multi Wakeup Period for Wireless Sensor Networks.
ISWCS
Takashi Matsuda, Takafumi Aonishi, Takashi Takeuchi, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
2007 J jnl
Service Interval Optimization with Delay Bound Guarantee for HCCA in IEEE 802.11e WLANs.
IEICE Trans. Commun.
Augusto Foronda, Yuhi Higuchi, Chikara Ohta, Masahiko Yoshimoto, Yoji Okada
2006 J jnl
Aggregation Efficiency-Aware Greedy Incremental Tree Routing for Wireless Sensor Networks.
IEICE Trans. Commun.
Shinji Mikami, Takafumi Aonishi, Hironori Yoshino, Chikara Ohta, Hiroshi Kawaguchi, Masahiko Yoshimoto
2006 — conf
Impact of Aggregation Efficiency on GIT Routing forWireless Sensor Networks.
ICPP Workshops
Takafumi Aonishi, Takashi Matsuda, Shinji Mikami, Hiroshi Kawaguchi, Chikara Ohta, Masahiko Yoshimoto
2004 B conf
Index-server optimization for P2P file sharing in mobile ad hoc networks.
GLOBECOM
Chikara Ohta, Zihui Ge, Yang Guo, Jim Kurose
2000 J jnl
Bounded-delay and loss-free guarantees for real-time video in integrated services packet networks.
Int. J. Commun. Syst.
Chikara Ohta, Tetsuya Takine, Masayuki Murata
1999 — conf
Feedback picture sequence control for real-time MPEG video transfer through ATM networks.
ICC
Chikara Ohta, Masakatu Morii
1998 — conf
Finding good combinations of initial phases for periodic sources in discrete-time queues.
ICC
Fumio Ishizaki, Chikara Ohta
1998 B conf
Phase Assignment Algorithm Based on Traffic Measurement for Periodic VBR Sources in ATM Networks.
ICCCN
Shinya Tojo, Fumio Ishizaki, Chikara Ohta
1993 A* conf
A Peak Rate Regulation Scheme for ATM Networks and Its Performance.
INFOCOM
Chikara Ohta, Hideki Tode, Miki Yamamoto, Hiromi Okada, Yoshikazu Tezuka
1993 A* conf
Traffic Control Scheme for Interconnection of FDDI Networks through an ATM Network.
INFOCOM
Miki Yamamoto, Toshihito Hirata, Chikara Ohta, Hideki Tode, Hiromi Okada, Yoshikazu Tezuka