Hiroki Nishiyama

188 papers A* 5A 1B 29C 5Misc 5Journal 91Unranked 52
YearRankTypeTitle / Venue / Authors
2026 J jnl
Power Consumption Perspective Analysis of the Effect of Baseband Function Placement and Resource Block Allocation in vRAN.
IEEE Access
Izumi Matsuzawa, Akihiko Nishio, Tetsuya Yamamoto, Toshiaki Sakurai, Takayuki Sotoyama, Hiroki Nishiyama
2026 J jnl
Processing Task Offloading to Mitigate Spatial-Temporal Imbalance in Renewable-Energy-Powered vRAN.
IEEE Trans. Green Commun. Netw.
Kai Nakamura, Akihiko Nishio, Tetsuya Yamamoto, Toshiaki Sakurai, Takayuki Sotoyama, Hiroki Nishiyama
2025 — conf
Performance Comparison Between Puncturing and Superposition Techniques Across Multiple Antenna Sites in Centralized RANs for the Coexistence of eMBB and URLLC.
VTC2025-Spring
Toshihiko Suzuki, Tetsuya Yamamoto, Akihiko Nishio, Toshiaki Sakurai, Takayuki Sotoyama, Hiroki Nishiyama
2024 — conf
A Processing Task Offloading Technique for Energy-Efficient vRANs Powered by Renewable Energy.
ICC Workshops
Kai Nakamura, Hiroki Nishiyama, Akihiko Nishio, Tetsuya Yamamoto, Toshiaki Sakurai, Takayuki Sotoyama
2023 — conf
A Bandwidth Allocation Algorithm Mitigating Unfairness Issues in a UAV-Aided Flying Base Station Used for Disaster Recovery.
VTC Fall
Shu Mitsui, Hiroki Nishiyama
2023 J jnl
Speed-Control Technique for Achieving Fair Uplink Communications With a UAV-Aided Flying Base Station.
IEEE Access
Shu Mitsui, Hiroki Nishiyama
2022 — conf
Analysis of Optimal Bandwidth Partitioning Ratio in Full-Duplex Integrated Access and Backhaul.
ICC Workshops
Takuya Yashima, Hiroki Nishiyama
2021 J jnl
Proposal and Performance Evaluation of Information Diffusion Technique with Novel Virtual-Cell-Based Wi-Fi Direct.
IEEE Trans. Emerg. Top. Comput.
Tohn Furutani, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato
2020 J jnl
Flexibility-Enhanced HTS System for Disaster Management: Responding to Communication Demand Explosion in a Disaster.
IEEE Trans. Emerg. Top. Comput.
Shigenori Tani, Katsuyuki Motoyoshi, Hiroyasu Sano, Atsushi Okamura, Hiroki Nishiyama, Nei Kato
2020 J jnl
Machine Learning Meets Computation and Communication Control in Evolving Edge and Cloud: Challenges and Future Perspective.
IEEE Commun. Surv. Tutorials
Tiago Koketsu Rodrigues, Katsuya Suto, Hiroki Nishiyama, Jiajia Liu, Nei Kato
2019 J jnl
Adaptive Frequency Band and Channel Selection for Simultaneous Receiving and Sending in Multiband Communication.
IEEE Wirel. Commun. Lett.
Ayaka Hanyu, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Naoto Egashira, Kazuto Yano, Tomoaki Kumagai
2019 J jnl
An Adaptive Beam Control Technique for Q Band Satellite to Maximize Diversity Gain and Mitigate Interference to Terrestrial Networks.
IEEE Trans. Emerg. Top. Comput.
Shigenori Tani, Katsuyuki Motoyoshi, Hiroyasu Sano, Atsushi Okamura, Hiroki Nishiyama, Nei Kato
2019 J jnl
An Internet of Things Traffic-Based Power Saving Scheme in Cloud-Radio Access Network.
IEEE Internet Things J.
Keisuke Miyanabe, Tiago Gama Rodrigues, Yunseong Lee, Hiroki Nishiyama, Nei Kato
2019 J jnl
Efficient Resource Allocation Utilizing Q-Learning in Multiple UA Communications.
IEEE Trans. Netw. Sci. Eng.
Yuichi Kawamoto, Hiroaki Takagi, Hiroki Nishiyama, Nei Kato
2019 J jnl
Multi-Hop Wireless Transmission in Multi-Band WLAN Systems: Proposal and Future Perspective.
IEEE Wirel. Commun.
Zubair Md Fadlullah, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Naoto Egashira, Kazuto Yano, Tomoaki Kumagai
2019 J jnl
Threshold-Based RRH Switching Scheme Considering Baseband Unit Aggregation for Power Saving in a Cloud Radio Access Network.
IEEE Syst. J.
Yunseong Lee, Keisuke Miyanabe, Hiroki Nishiyama, Nei Kato, Takashi Yamada
2019 J jnl
Toward Future Unmanned Aerial Vehicle Networks: Architecture, Resource Allocation and Field Experiments.
IEEE Wirel. Commun.
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Fumie Ono, Ryu Miura
2018 J jnl
A Novel Radio Resource Optimization Method for Relay-Based Unmanned Aerial Vehicles.
IEEE Trans. Wirel. Commun.
Yuki Takahashi, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Fumie Ono, Ryu Miura
2018 J jnl
A Probabilistic Approach to Deploying Disaster Response Network.
IEEE Trans. Veh. Technol.
Hiroki Nishiyama, Tiago Gama Rodrigues, Jiajia Liu
2018 B conf
A novel information diffusing method with virtual cells based Wi-Fi direct in disaster area networks.
WCNC
Tohn Furutani, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato
2018 J jnl
Cloudlets Activation Scheme for Scalable Mobile Edge Computing with Transmission Power Control and Virtual Machine Migration.
IEEE Trans. Computers
Tiago Gama Rodrigues, Katsuya Suto, Hiroki Nishiyama, Nei Kato, Katsuhiro Temma
2018 J jnl
Construction of a Flexibility Analysis Model for Flexible High-Throughput Satellite Communication Systems With a Digital Channelizer.
IEEE Trans. Veh. Technol.
Kazuma Kaneko, Hiroki Nishiyama, Nei Kato, Amane Miura, Morio Toyoshima
2018 J jnl
Model Predictive Joint Transmit Power Control for Improving System Availability in Energy-Harvesting Wireless Mesh Networks.
IEEE Commun. Lett.
Katsuya Suto, Hiroki Nishiyama, Nei Kato, Toshiaki Kuri
2018 B conf
Multilayer Virtual-Cell-Based Resource Allocation in Unmanned Aircraft Systems.
GLOBECOM
Ryota Sasazawa, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Fumie Ono, Ryu Miura
2018 — conf
Novel Group Paging Scheme for Improving Energy Efficiency of IoT Devices over LTE-A Pro Networks with QoS Considerations.
ICC
Shikhar Verma, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Chih-Wei Huang
2018 — conf
UAV-Assisted Information Diffusion Technique with Uniquely Virtual Cells Based on Wi-Fi Direct.
WPMC
Tohn Furutani, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato
2018 J jnl
Virtual Cell Based Resource Allocation for Efficient Frequency Utilization in Unmanned Aircraft Systems.
IEEE Trans. Veh. Technol.
Daisuke Takaishi, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Fumie Ono, Ryu Miura
2017 J jnl
A Feedback Control-Based Crowd Dynamics Management in IoT System.
IEEE Internet Things J.
Yuichi Kawamoto, Naoto Yamada, Hiroki Nishiyama, Nei Kato, Yoshitaka Shimizu, Yao Zheng
2017 — conf
A PSO model with VM migration and transmission power control for low Service Delay in the multiple cloudlets ECC scenario.
ICC
Tiago Gama Rodrigues, Katsuya Suto, Hiroki Nishiyama, Nei Kato
2017 J jnl
A Survey on Network Methodologies for Real-Time Analytics of Massive IoT Data and Open Research Issues.
IEEE Commun. Surv. Tutorials
Shikhar Verma, Yuichi Kawamoto, Zubair Md Fadlullah, Hiroki Nishiyama, Nei Kato
2017 — conf
A TD-LTE-A Based Efficient Radio Access Scheme for Real-Time Data Transmission over Relay Unmanned Aerial Vehicle Networks.
VTC Fall
Yuki Takahashi, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Fumie Ono, Ryu Miura
2017 J jnl
An Efficient Safety Confirmation Method Using Image Database in Multiple-MDRU-Based Disaster Recovery Network.
IEEE Syst. J.
Thuan Ngo, Hiroki Nishiyama, Nei Kato, Toshikazu Sakano, Atsushi Takahara
2017 — conf
An efficient throughput-aware resource allocation technique for data transmission in unmanned aircraft systems.
ICC
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Fumie Ono, Ryu Miura
2017 — conf
An evaluation of flexible frequency utilization in high throughput satellite communication systems with digital channelizer.
ICC
Kazuma Kaneko, Hiroki Nishiyama, Nei Kato, Amane Miura, Morio Toyoshima
2017 J jnl
Cyber Physical Systems for Intelligent Disaster Response Networks: Conceptual Proposal and Field Experiment.
IEEE Netw.
Hiroki Nishiyama, Katsuya Suto, Hideki Kuribayashi
2017 J jnl
Effectively Collecting Data for the Location-Based Authentication in Internet of Things.
IEEE Syst. J.
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Yoshitaka Shimizu, Atsushi Takahara, Tingting Jiang
2017 J jnl
Hybrid Method for Minimizing Service Delay in Edge Cloud Computing Through VM Migration and Transmission Power Control.
IEEE Trans. Computers
Tiago Gama Rodrigues, Katsuya Suto, Hiroki Nishiyama, Nei Kato
2017 B conf
Multi-Carrier Relaying for Successive Data Transfer in Earth Observation Satellite Constellations.
GLOBECOM
Shigenori Tani, Michiya Hayama, Hiroki Nishiyama, Nei Kato, Katsuyuki Motoyoshi, Atsushi Okamura
2017 — conf
On OFDM-Based Resource Allocation in LTE Radio Management System for Unmanned Aerial Vehicles (UAVs).
VTC Fall
Hiroki Nishiyama, Yuichi Kawamoto, Daisuke Takaishi
2017 J jnl
Postdisaster User Location Maneuvering Method for Improving the QoE Guaranteed Service Time in Energy Harvesting Small Cell Networks.
IEEE Trans. Veh. Technol.
Katsuya Suto, Hiroki Nishiyama, Nei Kato
2016 — conf
A Novel Graph-Based Topology Control Cooperative Algorithm for Maximizing Throughput of Disaster Recovery Networks.
VTC Spring
Thuan Ngo, Hiroki Nishiyama, Nei Kato, Satoshi Kotabe, Hiroshi Tohjo
2016 J jnl
A dynamic trajectory control algorithm for improving the communication throughput and delay in UAV-aided networks.
IEEE Netw.
Zubair Md Fadlullah, Daisuke Takaishi, Hiroki Nishiyama, Nei Kato, Ryu Miura
2016 — conf
A mobility-based mode selection technique for fair spatial dissemination of data in multi-channel device-to-device communication.
ICC
Hideki Kuribayashi, Katsuya Suto, Hiroki Nishiyama, Kimihiro Mizutani, Takeru Inoue, Osamu Akashi
2016 — conf
An adaptive beam control technique for diversity gain maximization in LEO satellite to ground transmissions.
ICC
Shigenori Tani, Katsuyuki Motoyoshi, Hiroyasu Sano, Atsushi Okamura, Hiroki Nishiyama, Nei Kato
2016 J jnl
Bringing movable and deployable networks to disaster areas: development and field test of MDRU.
IEEE Netw.
Toshikazu Sakano, Satoshi Kotabe, Tetsuro Komukai, Tomoaki Kumagai, Yoshitaka Shimizu, Atsushi Takahara, Thuan Ngo, Zubair Md Fadlullah, Hiroki Nishiyama, Nei Kato
2016 J jnl
DAPA: Capacity Optimization in Wireless Networks Through a Combined Design of Density of Access Points and Partially Overlapped Channel Allocation.
IEEE Trans. Veh. Technol.
Wei Zhao, Hiroki Nishiyama, Zubair Md Fadlullah, Nei Kato, Kiyoshi Hamaguchi
2016 J jnl
Energy-Efficient Service Multiplexing on Profile-Based TWDM Access Systems.
IEEE Internet Things J.
Hirotaka Ujikawa, Ken-Ichi Suzuki, Akihiro Otaka, Hiroki Nishiyama, Nei Kato
2016 — conf
GHAR: Graph-based hybrid adaptive routing for cognitive radio based disaster response networks.
ICC
Thuan Ngo, Hiroki Nishiyama, Nei Kato, Satoshi Kotabe, Hiroshi Tohjo
2016 J jnl
New Perspectives on Future Smart FiWi Networks: Scalability, Reliability, and Energy Efficiency.
IEEE Commun. Surv. Tutorials
Jiajia Liu, Hongzhi Guo, Hiroki Nishiyama, Hirotaka Ujikawa, Ken-Ichi Suzuki, Nei Kato
2016 J jnl
On the Outage Probability of Device-to-Device-Communication-Enabled Multichannel Cellular Networks: An RSS-Threshold-Based Perspective.
IEEE J. Sel. Areas Commun.
Jiajia Liu, Hiroki Nishiyama, Nei Kato, Jun Guo
2016 B conf
QoE-Guaranteed and Sustainable User Position Guidance for Post-Disaster Cloud Radio Access Network.
GLOBECOM
Katsuya Suto, Tiago Gama Rodrigues, Hiroki Nishiyama, Nei Kato, Hirotaka Ujikawa, Ken-Ichi Suzuki
2016 J jnl
Stand-Alone and Cooperative Deep Sleep for Battery-Driven Optical Network Unit.
IEEE Internet Things J.
Hirotaka Ujikawa, Takashi Yamada, Ken-Ichi Suzuki, Akihiro Otaka, Hiroki Nishiyama, Nei Kato
2016 — conf
Throughput maximization for long-distance real-time data transmission over multiple UAVs.
ICC
Masanori Horiuchi, Hiroki Nishiyama, Nei Kato, Fumie Ono, Ryu Miura
2016 — conf
Towards a Low-Delay Edge Cloud Computing through a Combined Communication and Computation Approach.
VTC Fall
Tiago Gama Rodrigues, Katsuya Suto, Hiroki Nishiyama, Nei Kato, Kimihiro Mizutani, Takeru Inoue, Osamu Akashi
2015 J jnl
A Cooperative ONU Sleep Method for Reducing Latency and Energy Consumption of STA in Smart-FiWi Networks.
IEEE Trans. Parallel Distributed Syst.
Hiroki Nishiyama, Ko Togashi, Yuichi Kawamoto, Nei Kato
2015 — conf
A Failure-Tolerant and Spectrum-Efficient Wireless Data Center Network Design for Improving Performance of Big Data Mining.
VTC Spring
Katsuya Suto, Hiroki Nishiyama, Nei Kato, Takayuki Nakachi, Toshikazu Sakano, Atsushi Takahara
2015 J jnl
A MPCP-Based Centralized Rate Control Method for Mobile Stations in FiWi Access Networks.
IEEE Wirel. Commun. Lett.
Kei Saito, Hiroki Nishiyama, Nei Kato, Hirotaka Ujikawa, Ken-Ichi Suzuki
2015 B conf
A Power-Aware Air Interface Scheduling Scheme for Improving Network Connectivity in Solar Powered Wireless Mesh Networks.
GLOBECOM
Kenta Ito, Hiroki Nishiyama, Nei Kato, Atsushi Takahara
2015 J jnl
A cloud radio access network with power over fiber toward 5G networks: QoE-guaranteed design and operation.
IEEE Wirel. Commun.
Keisuke Miyanabe, Katsuya Suto, Zubair Md Fadlullah, Hiroki Nishiyama, Nei Kato, Hirotaka Ujikawa, Ken-Ichi Suzuki
2015 — conf
A method for collecting uniform amount of fresh data from areas with varying population density.
ICC
Yuichi Kawamoto, Takayuki Nakazawa, Hiroki Nishiyama, Nei Kato, Yoshitaka Shimizu, Tingting Jiang
2015 — conf
A modeling technique utilizing feedback control theory for performance evaluation of IoT system in real-time.
WCSP
Keisuke Sato, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Yoshitaka Shimizu
2015 B conf
A novel access control scheme to construct fresh database of ambient information in Internet of Things.
WCNC
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Yoshitaka Shimizu, Atsushi Takahara, Tingting Jiang
2015 C conf
A novel network design and operation for reducing transmission power in cloud radio access network with power over fiber.
ICCC
Yunseong Lee, Katsuya Suto, Hiroki Nishiyama, Nei Kato, Hirotaka Ujikawa, Ken-Ichi Suzuki
2015 A* conf
A stochastic geometry analysis of D2D overlaying multi-channel downlink cellular networks.
INFOCOM
Jiajia Liu, Shangwei Zhang, Hiroki Nishiyama, Nei Kato, Jun Guo
2015 J jnl
An Energy-Efficient and Delay-Aware Wireless Computing System for Industrial Wireless Sensor Networks.
IEEE Access
Katsuya Suto, Hiroki Nishiyama, Nei Kato, Chih-Wei Huang
2015 J jnl
An efficient utilization of intermittent surface-satellite optical links by using mass storage device embedded in satellites.
Perform. Evaluation
Kazuma Kaneko, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Morio Toyoshima
2015 J jnl
Dynamic Replication and Forwarding Control Based on Node Surroundings in Cooperative Delay-Tolerant Networks.
IEEE Trans. Parallel Distributed Syst.
Hiroki Nishiyama, Asato Takahashi, Nei Kato, Katsuya Nakahira, Takatoshi Sugiyama
2015 — conf
Earth Stations deployment for maximizing system throughput in Satellite/Solar-Powered Mesh Integrated Network.
ICC
Shin Koseki, Hiroki Nishiyama, Nei Kato, Byeongpyo Jeong, Morio Toyoshima
2015 J jnl
Field measurement of an implemented solar powered BS-based wireless mesh network.
IEEE Wirel. Commun.
Tota Nakajo, Hiroki Nishiyama, Yasunori Owada, Kiyoshi Hamaguchi, Nei Kato
2015 J jnl
On the Energy-Efficient of Throughput-Based Scheme Using Renewable Energy for Wireless Mesh Networks in Disaster Area.
IEEE Trans. Emerg. Top. Comput.
Meng Li, Hiroki Nishiyama, Nei Kato, Yasunori Owada, Kiyoshi Hamaguchi
2015 J jnl
QoE-Guaranteed and Power-Efficient Network Operation for Cloud Radio Access Network With Power Over Fiber.
IEEE Trans. Comput. Soc. Syst.
Katsuya Suto, Keisuke Miyanabe, Hiroki Nishiyama, Nei Kato, Hirotaka Ujikawa, Ken-Ichi Suzuki
2015 J jnl
Relay by Smart Device: Innovative Communications for Efficient Information Sharing Among Vehicles and Pedestrians.
IEEE Veh. Technol. Mag.
Hiroki Nishiyama, Thuan Ngo, Shoki Oiyama, Nei Kato
2015 J jnl
Toward Fair Maximization of Energy Efficiency in Multiple UAS-Aided Networks: A Game-Theoretic Methodology.
IEEE Trans. Wirel. Commun.
Ahmed E. A. A. Abdulla, Zubair Md Fadlullah, Hiroki Nishiyama, Nei Kato, Fumie Ono, Ryu Miura
2014 — conf
A Dynamic Trajectory Control Algorithm for Improving the Probability of End-to-End Link Connection in Unmanned Aerial Vehicle Networks.
PSATS
Daisuke Takaishi, Hiroki Nishiyama, Nei Kato, Ryu Miura
2014 — conf
A Performance Evaluation of Multiple MDRUs Based Wireless Mesh Networks.
VTC Spring
Panu Avakul, Hiroki Nishiyama, Nei Kato, Toshikazu Sakano, Atsushi Takahara
2014 J jnl
A Spectrum- and Energy-Efficient Scheme for Improving the Utilization of MDRU-Based Disaster Resilient Networks.
IEEE Trans. Veh. Technol.
Ngo Duc Thuan, Hiroki Nishiyama, Nei Kato, Toshikazu Sakano, Atsushi Takahara
2014 Misc conf
A novel communication mode selection technique for DTN over MANET architecture.
ICNC
Masaya Ito, Hiroki Nishiyama, Nei Kato
2014 — conf
A partially centralized messaging control scheme using star topology in delay and disruption tolerant networks.
SPECTS
Shoki Oiyama, Hiroki Nishiyama, Nei Kato
2014 J jnl
An Overlay-Based Data Mining Architecture Tolerant to Physical Network Disruptions.
IEEE Trans. Emerg. Top. Comput.
Katsuya Suto, Hiroki Nishiyama, Nei Kato, Kimihiro Mizutani, Osamu Akashi, Atsushi Takahara
2014 J jnl
An efficient method for minimizing energy consumption of user equipment in storage-embedded heterogeneous networks.
IEEE Wirel. Commun.
Shintaro Arai, Zubair Md Fadlullah, Ngo Duc Thuan, Hiroki Nishiyama, Nei Kato
2014 B conf
An efficient traffic detouring method by using device-to-device communication technologies in heterogeneous network.
WCNC
Yuichi Kawamoto, Jiajia Liu, Hiroki Nishiyama, Nei Kato
2014 B conf
An efficient utilization of intermittent satellite-to-ground links by using mass storage device embedded in satellites.
GLOBECOM
Kazuma Kaneko, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Morio Toyoshima
2014 — conf
An energy efficient upload transmission method in storage-embedded wireless mesh networks.
ICC
Shintaro Arai, Katsuya Suto, Hiroki Nishiyama
2014 A* conf
An optimal data collection technique for improved utility in UAS-aided networks.
INFOCOM
Ahmed E. A. A. Abdulla, Zubair Md Fadlullah, Hiroki Nishiyama, Nei Kato, Fumie Ono, Ryu Miura
2014 Misc conf
An overlay network construction technique for minimizing the impact of physical network disruption in cloud storage systems.
ICNC
Katsuya Suto, Hiroki Nishiyama, Nei Kato, Takayuki Nakachi, Tatsuya Fujii, Atsushi Takahara
2014 B conf
Context-aware task allocation for fast parallel big data processing in optical-wireless networks.
IWCMC
Katsuya Suto, Hiroki Nishiyama, Nei Kato
2014 J jnl
Device-to-device communications achieve efficient load balancing in LTE-advanced networks.
IEEE Wirel. Commun.
Jiajia Liu, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Naoto Kadowaki
2014 J jnl
Internet of Things (IoT): Present State and Future Prospects.
IEICE Trans. Inf. Syst.
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Naoko Yoshimura, Shinichi Yamamoto
2014 — conf
Joint design of density of access points and partially overlapped channel assignment for capacity optimization in wireless networks.
WCSP
Wei Zhao, Zubair Md Fadlullah, Hiroki Nishiyama, Nei Kato, Kiyoshi Hamaguchi
2014 J jnl
On Efficient Traffic Distribution for Disaster Area Communication Using Wireless Mesh Networks.
Wirel. Pers. Commun.
Mostafa Fouda, Hiroki Nishiyama, Ryu Miura, Nei Kato
2014 B conf
On Energy Efficient Scheduling and Load Distribution Based on Renewable Energy for Wireless Mesh Network in Disaster Area.
TrustCom
Meng Li, Hiroki Nishiyama, Yasunori Owada, Kiyoshi Hamaguchi
2014 B conf
On joint optimal placement of access points and partially overlapping channel assignment for wireless networks.
GLOBECOM
Wei Zhao, Zubair Md Fadlullah, Hiroki Nishiyama, Nei Kato, Kiyoshi Hamaguchi
2014 J jnl
Prospects and challenges of context-aware multimedia content delivery in cooperative satellite and terrestrial networks.
IEEE Commun. Mag.
Yuichi Kawamoto, Zubair Md Fadlullah, Hiroki Nishiyama, Nei Kato, Morio Toyoshima
2014 J jnl
Relay-by-smartphone: realizing multihop device-to-device communications.
IEEE Commun. Mag.
Hiroki Nishiyama, Masaya Ito, Nei Kato
2014 J jnl
Replication Control for Ensuring Reliability of Convergecast Message Delivery in Infrastructure-Aided DTNs.
IEEE Trans. Veh. Technol.
Asato Takahashi, Hiroki Nishiyama, Nei Kato, Katsuya Nakahira, Takatoshi Sugiyama
2014 — conf
Synchronized Power Saving Mechanisms for Battery-Powered Mobile Terminals in Smart FiWi Networks.
VTC Fall
Keisuke Miyanabe, Hiroki Nishiyama, Nei Kato, Hirotaka Ujikawa, Ken-Ichi Suzuki, Naoto Yoshimoto
2014 A* conf
Throughput-delay tradeoff in mobile ad hoc networks with correlated mobility.
INFOCOM
Jiajia Liu, Hiroki Nishiyama, Nei Kato, Jianfeng Ma, Xiaohong Jiang
2014 J jnl
Toward Energy Efficient Big Data Gathering in Densely Distributed Sensor Networks.
IEEE Trans. Emerg. Top. Comput.
Daisuke Takaishi, Hiroki Nishiyama, Nei Kato, Ryu Miura
2014 J jnl
Toward integrating overlay and physical networks for robust parallel processing architecture.
IEEE Netw.
Katsuya Suto, Hiroki Nishiyama, Nei Kato, Takayuki Nakachi, Tatsuya Fujii, Atsushi Takahara
2014 J jnl
Traffic Pattern-Based Content Leakage Detection for Trusted Content Delivery Networks.
IEEE Trans. Parallel Distributed Syst.
Hiroki Nishiyama, Desmond Fomo, Zubair Md Fadlullah, Nei Kato
2013 B conf
A Framework for Information Propagation in Mobile Sensor Networks.
MASS
Jiajia Liu, Hiroki Nishiyama, Nei Kato
2013 J jnl
A Novel Gateway Selection Technique for Throughput Optimization in Configurable Wireless Mesh Networks.
Int. J. Wirel. Inf. Networks
Wei Liu, Hiroki Nishiyama, Nei Kato, Yoshitaka Shimizu, Tomoaki Kumagai
2013 J jnl
A Traffic Distribution Technique to Minimize Packet Delivery Delay in Multilayered Satellite Networks.
IEEE Trans. Veh. Technol.
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Naoto Kadowaki
2013 B conf
A centralized multiple access scheme for data gathering in Satellite-Routed Sensor System (SRSS).
GLOBECOM
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Shinichi Yamamoto, Naoko Yoshimura, Naoto Kadowaki
2013 B conf
A divide and conquer approach for efficient bandwidth allocation in next generation satellite-routed sensor system (SRSS).
IWCMC
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Shinichi Yamamoto, Naoko Yoshimura, Naoto Kadowaki
2013 B conf
A novel routing method for improving message delivery delay in hybrid DTN-MANET networks.
GLOBECOM
Masaya Ito, Hiroki Nishiyama, Nei Kato
2013 — conf
An Efficient Data Transfer Method for Distributed Storage System over Satellite Networks.
VTC Spring
Katsuya Suto, Panu Avakul, Hiroki Nishiyama, Nei Kato
2013 A conf
An intelligent routing scheme effectively utilizing mass storage embedded on satellites to mitigate network congestions.
MSWiM
Kazuma Kaneko, Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Shinichi Yamamoto, Naoko Yoshimura
2013 — conf
Characterizing the Impact of Non-uniform Deployment of APs on Network Performance under Partially Overlapped Channels.
WASA
Wei Zhao, Zubair Md Fadlullah, Hiroki Nishiyama, Nei Kato
2013 J jnl
Cluster-Based Certificate Revocation with Vindication Capability for Mobile Ad Hoc Networks.
IEEE Trans. Parallel Distributed Syst.
Wei Liu, Hiroki Nishiyama, Nirwan Ansari, Jie Yang, Nei Kato
2013 J jnl
Cooperative QoS Control Scheme Based on Scheduling Information in FiWi Access Network.
IEEE Trans. Emerg. Top. Comput.
Zubair Md Fadlullah, Hiroki Nishiyama, Yuichi Kawamoto, Hirotaka Ujikawa, Ken-Ichi Suzuki, Naoto Yoshimoto
2013 J jnl
Cross Layer Analysis on ONU Energy Consumption in Smart FiWi Networks.
IEEE Wirel. Commun. Lett.
Ko Togashi, Hiroki Nishiyama, Nei Kato, Hirotaka Ujikawa, Ken-Ichi Suzuki, Naoto Yoshimoto
2013 J jnl
Disaster-resilient networking: a new vision based on movable and deployable resource units.
IEEE Netw.
Toshikazu Sakano, Zubair Md Fadlullah, Ngo Duc Thuan, Hiroki Nishiyama, Masataka Nakazawa, Fumiyuki Adachi, Nei Kato, Atsushi Takahara, Tomoaki Kumagai, Hiromichi Kasahara, Shigeki Kurihara
2013 Misc conf
Fairness issue in message delivery in delay- and Disruption-Tolerant Networks for disaster areas.
ICNC
Asato Takahashi, Hiroki Nishiyama, Nei Kato
2013 J jnl
Intrusion detection system (IDS) for combating attacks against cognitive radio networks.
IEEE Netw.
Zubair Md Fadlullah, Hiroki Nishiyama, Nei Kato, Mostafa Fouda
2013 J jnl
MA-LTRT: A Novel Method to Improve Network Connectivity and Power Consumption in Mobile Ad-hoc Based Cyber-Physical Systems.
IEEE Trans. Emerg. Top. Comput.
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato
2013 C conf
Mesh router selection to maximize system throughput in dense Wireless Mesh Networks.
HPSR
Panu Avakul, Hiroki Nishiyama, Nei Kato, Yoshitaka Shimizu, Tomoaki Kumagai
2013 B conf
Modeling ad hoc mobile networks: The general k-hop relay routing.
GLOBECOM
Jiajia Liu, Hiroki Nishiyama, Nei Kato, Tomoaki Kumagai, Atsushi Takahara
2013 J jnl
On the Delivery Probability of Two-Hop Relay MANETs with Erasure Coding.
IEEE Trans. Commun.
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2013 — conf
On the Effect of Data Request Message Flooding in Dense Wireless Sensor Networks with a Mobile Sink.
VTC Fall
Daisuke Takaishi, Hiroki Nishiyama, Nei Kato, Ryu Miura
2013 — conf
On the effect of cooperation between power saving mechanisms in WLANs and PONs.
ICC
Ko Togashi, Hiroki Nishiyama, Nei Kato, Hirotaka Ujikawa, Ken-Ichi Suzuki, Naoto Yoshimoto
2013 — conf
On the fast-convergence of delay-based load balancing over multipaths for dynamic traffic environments.
WCSP
Meng Li, Hiroki Nishiyama, Nei Kato, Kimihiro Mizutani, Osamu Akashi, Atsushi Takahara
2013 Misc conf
On the optimal transmission distance for power-aware routing in Ad Hoc networks.
ICNC
Ahmed E. A. A. Abdulla, Zubair Md Fadlullah, Hiroki Nishiyama, Nei Kato
2013 Misc conf
On the throughput evaluation of wireless mesh network deployed in disaster areas.
ICNC
Ngo Duc Thuan, Hiroki Nishiyama, Nei Kato, Yoshitaka Shimizu, Kohei Mizuno, Tomoaki Kumagai
2013 — conf
Packet Transfer Delay Minimization by Network-Wide Equalization of Unbalanced Traffic Load in Multi-Layered Satellite Networks.
VTC Spring
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Naoko Yoshimura, Naoto Kadowaki
2013 J jnl
Performance Modeling for Relay Cooperation in Delay Tolerant Networks.
Mob. Networks Appl.
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2013 B conf
Performance modeling of three-hop relay routing in Intermittently Connected Mobile Networks.
WCNC
Jiajia Liu, Hiroki Nishiyama, Nei Kato
2013 J jnl
Smart FiWi Networks: Challenges and Solutions for QoS and Green Communications.
IEEE Intell. Syst.
Zubair Md Fadlullah, Hiroki Nishiyama, Nei Kato, Hirotaka Ujikawa, Ken-Ichi Suzuki, Naoto Yoshimoto
2013 J jnl
THUP: A P2P Network Robust to Churn and DoS Attack Based on Bimodal Degree Distribution.
IEEE J. Sel. Areas Commun.
Katsuya Suto, Hiroki Nishiyama, Nei Kato, Takayuki Nakachi, Tatsuya Fujii, Atsushi Takahara
2013 J jnl
Throughput Capacity of MANETs with Power Control and Packet Redundancy.
IEEE Trans. Wirel. Commun.
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2013 — conf
Throughput analysis for two-hop relay mobile ad hoc networks with receiver probing.
ICC
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2013 J jnl
Toward Optimized Traffic Distribution for Efficient Network Capacity Utilization in Two-Layered Satellite Networks.
IEEE Trans. Veh. Technol.
Hiroki Nishiyama, Yuta Tada, Nei Kato, Naoko Yoshimura, Morio Toyoshima, Naoto Kadowaki
2013 J jnl
Toward modeling ad hoc networks: current situation and future direction.
IEEE Wirel. Commun.
Jiajia Liu, Hiroki Nishiyama, Nei Kato, Tomoaki Kumagai, Atsushi Takahara
2013 — conf
Toward terminal-to-terminal communication networks: A hybrid MANET and DTN approach.
CAMAD
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato
2012 J jnl
A Cooperative User-System Approach for Optimizing Performance in Content Distribution/Delivery Networks.
IEEE J. Sel. Areas Commun.
Hiroki Nishiyama, Hiroshi Yamada, Hideaki Yoshino, Nei Kato
2012 J jnl
A Highly Efficient DAMA Algorithm for Making Maximum Use of both Satellite Transponder Bandwidth and Transmission Power.
IEICE Trans. Commun.
Katsuya Nakahira, Takatoshi Sugiyama, Hiroki Nishiyama, Nei Kato
2012 B conf
A bandwidth allocation method to improve user QoS satisfaction without decreasing system throughput in wireless access networks.
PIMRC
Kenta Suzuki, Hiroki Nishiyama, Nei Kato, Hirotaka Ujikawa, Ken-Ichi Suzuki, Naoto Yoshimoto
2012 B conf
A delay-based traffic distribution technique for Multi-Layered Satellite Networks.
WCNC
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Naoko Yoshimura, Naoto Kadowaki
2012 B conf
A novel gateway selection method to maximize the system throughput of Wireless Mesh Network deployed in disaster areas.
PIMRC
Wei Liu, Hiroki Nishiyama, Nei Kato, Yoshitaka Shimizu, Tomoaki Kumagai
2012 C conf
A novel heuristic-based traffic distribution method for disaster zone Wireless Mesh Networks.
ICCC
Mostafa M. Fouda, Hiroki Nishiyama, Nei Kato
2012 — conf
Assessing packet delivery delay in multi-layered satellite networks.
ICC
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Naoko Yoshimura, Naoto Kadowaki
2012 J jnl
Capacity and Delay of Probing-Based Two-Hop Relay in MANETs.
IEEE Trans. Wirel. Commun.
Jiajia Liu, Juntao Gao, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2012 — conf
Capacity vs. delivery delay in MANETs with power control and f-cast relay.
ICC
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2012 — conf
Delivery ratio in two-hop relay MANETs with limited message lifetime and redundancy.
ICC
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2012 J jnl
Designing P2P Networks Tolerant to Attacks and Faults Based on Bimodal Degree Distribution.
J. Commun.
Katsuya Suto, Hiroki Nishiyama, Xuemin Shen, Nei Kato
2012 — conf
Dynamic topology update mechanism in local tree-based reliable topology (LTRT) based MANETs.
ICC
Atsushi Yoshinari, Hiroki Nishiyama, Nei Kato, Dan Keun Sung
2012 B conf
End-to-end delay in mobile ad hoc networks with generalized transmission range and limited packet redundancy.
WCNC
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato, Xuemin (Sherman) Shen
2012 A* conf
Exact throughput capacity under power control in mobile ad hoc networks.
INFOCOM
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2012 J jnl
Extending the lifetime of wireless sensor networks: A hybrid routing algorithm.
Comput. Commun.
Ahmed E. A. A. Abdulla, Hiroki Nishiyama, Nei Kato
2012 J jnl
Generalized two-hop relay for flexible delay control in MANETs.
IEEE/ACM Trans. Netw.
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2012 J jnl
HYMN: A Novel Hybrid Multi-Hop Routing Algorithm to Improve the Longevity of WSNs.
IEEE Trans. Wirel. Commun.
Ahmed E. A. A. Abdulla, Hiroki Nishiyama, Jie Yang, Nirwan Ansari, Nei Kato
2012 — conf
Message delivery probability of two-hop relay with erasure coding in MANETs.
CHINACOM
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2012 A* conf
Multicast capacity, delay and delay jitter in intermittently connected mobile networks.
INFOCOM
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2012 J jnl
On Load Distribution over Multipath Networks.
IEEE Commun. Surv. Tutorials
Sumet Prabhavat, Hiroki Nishiyama, Nirwan Ansari, Nei Kato
2012 J jnl
On Minimizing the Impact of Mobility on Topology Control in Mobile Ad Hoc Networks.
IEEE Trans. Wirel. Commun.
Hiroki Nishiyama, Ngo Duc Thuan, Nirwan Ansari, Nei Kato
2012 — conf
On real-time data gathering in next generation satellite-routed sensor system (SRSS).
WCSP
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato, Shinichi Yamamoto, Naoko Yoshimura, Naoto Kadowaki
2012 J jnl
Optimal Forwarding Games in Mobile Ad Hoc Networks with Two-Hop f-cast Relay.
IEEE J. Sel. Areas Commun.
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Ryu Miura, Nei Kato, Naoto Kadowaki
2012 B conf
Optimal rate selection scheme in a two-hop relay network adopting Chase combining HARQ in Rayleigh block-fading channels.
WCNC
Seong Hwan Kim, Seung Joon Lee, Dan Keun Sung, Hiroki Nishiyama, Nei Kato
2012 C conf
Probing-based two-hop relay with limited packet redundancy.
HPSR
Jiajia Liu, Juntao Gao, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2012 — conf
Protocol optimization for integrated heterogeneous networks in disaster areas.
WPMC
Yuichi Kawamoto, Hiroki Nishiyama, Nei Kato
2012 B conf
Throughput capacity of the group-based two-hop relay algorithm in MANETs.
GLOBECOM
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2012 — conf
Towards throughput optimization of wireless mesh networks in disaster areas.
WPMC
Wei Liu, Hiroki Nishiyama, Nei Kato
2012 — conf
Traffic distribution to mitigate downlink congestionin two-layerd satellite netwoeks.
IC-NIDC
Kazuma Yoshida, Hiroki Nishiyama, Nei Kato, Naoko Yoshimura, Morio Toyoshima, Naoto Kadowaki
2011 J jnl
A Novel Multichannel Streaming Scheme to Reduce Channel Switching Delay in Application Layer Multicast.
IEEE Syst. J.
Toshiaki Ako, Hiroki Nishiyama, Nirwan Ansari, Nei Kato
2011 — conf
A Study on Certificate Revocation in Mobile Ad Hoc Networks.
ICC
Wei Liu, Hiroki Nishiyama, Nirwan Ansari, Nei Kato
2011 — conf
A general model for store-carry-forward routing schemes with multicast in delay tolerant networks.
CHINACOM
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2011 — conf
Delay and Capacity in Ad Hoc Mobile Networks with ??-Cast Relay Algorithms.
ICC
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2011 J jnl
Delay and Capacity in Ad Hoc Mobile Networks with f-cast Relay Algorithms.
IEEE Trans. Wirel. Commun.
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2011 J jnl
Development of a WLAN based monitoring system for group activity measurement in real-time.
J. Commun. Networks
Hiroshi Tsunoda, Hidehisa Nakayama, Kohei Ohta, Akihiro Suzuki, Hiroki Nishiyama, Ryoichi Nagatomi, Kazuo Hashimoto, Yuji Waizumi, Glenn Mansfield Keeni, Yoshiaki Nemoto
2011 J jnl
Effective Delay-Controlled Load Distribution over Multipath Networks.
IEEE Trans. Parallel Distributed Syst.
Sumet Prabhavat, Hiroki Nishiyama, Nirwan Ansari, Nei Kato
2011 C conf
Group-based two-hop relay with redundancy in MANETs.
HPSR
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2011 J jnl
Load Balancing and QoS Provisioning Based on Congestion Prediction for GEO/LEO Hybrid Satellite Networks.
Proc. IEEE
Hiroki Nishiyama, Daigo Kudoh, Nei Kato, Naoto Kadowaki
2011 B conf
On the performance of downstream traffic distribution scheme in fiber-wireless networks.
WCNC
Masahiro Honda, Hiroki Nishiyama, Hiroto Nomura, Takeshi Yada, Hiroshi Yamada, Nei Kato
2011 B conf
Performance Modeling for Two-Hop Relay with Erasure Coding in MANETs.
GLOBECOM
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2011 — conf
Performance modeling for two-hop relay with node selfishness in delay tolerant networks.
OnlineGreenComm
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2011 J jnl
Reliability Assessment for Wireless Mesh Networks Under Probabilistic Region Failure Model.
IEEE Trans. Veh. Technol.
Jiajia Liu, Xiaohong Jiang, Hiroki Nishiyama, Nei Kato
2010 — conf
An Efficient Data Aggregation Scheme Using Degree of Dependence on Clusters in WSNs.
ICC
Tetsushi Fukabori, Hidehisa Nakayama, Hiroki Nishiyama, Nirwan Ansari, Nei Kato
2010 — conf
Certificate Revocation to Cope with False Accusations in Mobile Ad Hoc Networks.
VTC Spring
Kyul Park, Hiroki Nishiyama, Nirwan Ansari, Nei Kato
2010 B conf
Extensions of VCP to Enhance the Performance in High BDP and Wireless Networks.
WCNC
Yoshihiro Ikeda, Hiroki Nishiyama, Nirwan Ansari, Yoshiaki Nemoto, Nei Kato
2010 B conf
HYMN to Improve the Longevity of Wireless Sensor Networks.
GLOBECOM
Hiroki Nishiyama, Ahmed E. A. A. Abdulla, Nirwan Ansari, Yoshiaki Nemoto, Nei Kato
2010 J jnl
Inter-Layer Fairness Problem in TCP Bandwidth Sharing in 10G-EPON.
IEEE Syst. J.
Hiroki Nishiyama, Zubair Md Fadlullah, Nei Kato
2010 — conf
On Performance Evaluation of Reliable Topology Control Algorithms in Mobile Ad Hoc Networks.
VTC Fall
Ngo Duc Thuan, Hiroki Nishiyama, Nirwan Ansari, Nei Kato
2010 B conf
The Effect of Packet Reordering and Encrypted Traffic on Streaming Content Leakage Detection.
ICCCN
Atsushi Asano, Hiroki Nishiyama, Nei Kato
2010 J jnl
Wireless loss-tolerant congestion control protocol based on dynamic aimd theory.
IEEE Wirel. Commun.
Hiroki Nishiyama, Nirwan Ansari, Nei Kato
2009 J jnl
Dynamic Load Balancing Method Based on Congestion Prediction for IP/LEO Satellite Networks.
IEICE Trans. Commun.
Daigo Kudoh, Kenichi Kashibuchi, Hiroki Nishiyama, Nei Kato
2006 — conf
A Fair TCP-Based Congestion Avoidance Approach for One-to-Many Private Networks.
ICC
Tarik Taleb, Hiroki Nishiyama, Abbas Jamalipour, Nei Kato, Yoshiaki Nemoto
2006 J jnl
Enhancements of T-REFWA to mitigate link error-related degradations in hybrid wired/wireless networks.
J. Commun. Networks
Hiroki Nishiyama, Tarik Taleb, Yoshiaki Nemoto, Abbas Jamalipour, Nei Kato
2005 B conf
securing hybrid wired/mobile IP networks from TCP-flooding based denial-of-service attacks.
GLOBECOM
Tarik Taleb, Hiroki Nishiyama, Nei Kato, Yoshiaki Nemoto