Kouji Hirata

Priority-Aware Dynamic Resource Allocation Method for RCSA in Multi-Core Fiber Networks

菜穂子 吉川, Yutaka Fukuchi, Kouji Hirata

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Drone Placement Considering Connectivity in Cable-Length-Constrained Wired Drone Networks

Daiki Kurogochi, Tomotaka Kimura, Kouji Hirata, Jun Cheng

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Modeling of Mobile Malware Propagation Using Real-World Maps

Toki Yamauchi, Hideyoshi Miura, Tomotaka Kimura, Kouji Hirata

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Traffic Engineering Implementation Using P4 with Source Routing

Shoma Yamaguchi, Kosuke Koshima, Hideyoshi Miura, Shohei Kamamura et autres

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Optimization of Trajectories and Depot Placement Using Weighted Clustering in UAV-Assisted Edge Computing Systems

Mao Kikumoto, Nao Maeda, Shohei Kamamura, Tomotaka Kimura et autres

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Fragmentation-Aware Static RCSA Method for SDM-EON Using Counter-Propagation

Yusei Kimura, Yutaka Fukuchi, Kouji Hirata

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Design and Implementation of a Real-Time Dynamic Traffic Engineering System Using P4

Kosuke Koshima, Shoma Yamaguchi, Hideyoshi Miura, Shohei Kamamura et autres

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Reliable Virtual Machine Allocation with MRC-Based Fast Rerouting in Edge Computing Systems

Hideyoshi Miura, Kouji Hirata

In this paper, we propose Virtual Machine (VM) allocation methods that provide continuous services even in the presence of failures in edge computing systems. On edge servers in edge computing systems, various services and applications requested by users are executed on VMs …

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Hierarchical Clustering-Based Trajectory Planning for Multiple UAVs in UAV-Assisted Edge Computing Systems

Nao Maeda, Tomotaka Kimura, Kouji Hirata

In this paper, we propose a hierarchical clustering-based trajectory planning method for multiple Unmanned Aerial Vehicles (UAVs) in UAV-assisted edge computing systems. Edge computing systems have been developed to efficiently process data collected from client nodes at edge servers deployed near the …

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Adaptive Traffic Monitoring According to Conditions of IP Networks

Shohei Kamamura, Kouji Hirata

Although traffic monitoring is essential for network optimization, the bandwidth for traffic collection is often limited. This paper proposes an adaptive traffic monitoring algorithm that changes the granularity of traffic monitoring according to the IP network conditions to reduce the amount of …

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Trajectory Optimization Considering Charging Station Locations for UAV-based Edge Computing Environments

Hideyoshi Miura, Ryo Kaneko, Tomotaka Kimura, Kouji Hirata

In this paper, we discuss a trajectory decision problem of Unmanned Aerial Vehicles (UAVs) for UAV-based edge computing systems. In the UAV-based edge computing systems, some UAVs having computing resources fly over a given area to process data generated by clients such …

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A Reinforcement Learning-Based Approach to Cooperative Multi-UAV Task Allocation

Naohiro Kubota, Hideyoshi Miura, Tomotaka Kimura, Kouji Hirata

In this paper, we propose a reinforcement learningbased trajectory design method for multiple unmanned aerial vehicles (UAVs) for cooperative task allocation. Each UAV employs a Deep Q-Network (DQN) to process tasks in designated areas by traversing them as checkpoints. The UAVs jointly …

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