Research Publications

FY 2025

• Riku Wakabayashi, Ken-ichi Baba, "Performance evaluation of ε-greedy-based routing and spectrum assignment in elastic optical networks"
  Proc. Society Conf. IEICE, B-12-04, Sep. 2025.
  Keywords: Elastic Optical Network, Reinforcement Learning, Bandit Algorithm, Routing, Spectrum Assignment
• Takuma Saito, Ken-ichi Baba, "Basic performance evaluation of modulation level selection method considering inter-core XT tolerance"
  Proc. Society Conf. IEICE, B-12-03, Sep. 2025.
  Keywords: EON, SDM, Crosstalk
• Takuma Saito, Ken-ichi Baba, "Frequency Allocation Method considering Inter-Core XT of 7-Core MCF in Distributed Control SDM-EON"
  IEICE Technical Report (PN2025-17), vol. 125, no. 146, pp. 38-42, Aug. 2025.
  Keywords: Elastic Optical Networks, Distributed Control, Space Division Multiplexing, Multi Core Fiber, Inter Core Crosstalk
• Takuma Saito, Ken-ichi Baba, "Frequency Allocation Method for 7-Core MCF in Distributed Control SDM-EON Considering Inter-Core XT"
  Proceedings of IEEE International Workshop on All Photonics Networks (APN2025) in conjunction with 26th IEEE International Conference on High Performance Switching and Routing (HPSR 2025), May 2025.
  Keywords: Crosstalk, Distributed Control, Elastic Optical Networks, Multi Core Fiber, Space Division Multiplexing

FY 2024

• Koichi Morita, Ken-ichi Baba, "Effect of Link Capacity Design by Edge-Betweenness Centrality in SDM-EON"
  Proc. IEICE Gen. Conf., B-12-17, Mar. 2025.
• Takuma Saito, Ken-ichi Baba, "Basic Performance Evaluation of Core Allocation Algorithm considering Inter-Core XT in Distributed Control SDM-EON with 7-Core MCF"
  Proc. IEICE Gen. Conf., B-12-16, Mar. 2025.
• Kodai Nizuma, Ken-ichi Baba, "A Study of Allocation Algorithm for Combined Truck and Drone Delivery"
  IEICE Technical Report (IN2024-90), vol. 124, no. 420, pp.61-66, Mar. 2025.
  Keywords: Drone delivery, Traveling Salesman Problem, K-means method, Hub and Spoke System Delivery Planning Problem
• Shota Okochi, Ken-ichi Baba, "[Invited Lecture] Path Selection Algorithms for EONs with Superposition Coding"
  IEICE Technical Report (PN2024-70), vol. 124, no. 395, pp. 60-65, Mar. 2025.
  Keywords: Elastic Optical Networks, Superposition Coding, Successive Interference Cancellation, Reallocation, Routing
• Riku Wakabayashi, Ken-ichi Baba, "Frequency allocation method using reinforcement learning to suppress fragmentation in EON"
  IEICE Technical Report (PN2024-62), vol. 124, no. 395, pp. 13-18, Mar. 2025.
  Keywords: EONs,Reinforcement Learning, Fragmentation Suppression, Spectrum Assignment
• Takuma Saito, Ken-ichi Baba, "Frequency Allocation Method considering Inter-Core XT of 7-Core MCF in Distributed Control SDM-EON"
  IEICE Technical Report (PN2024-61), vol. 124, no. 395, pp. 7-12, Mar. 2025.
  Keywords: Elastic Optical Networks, Distributed Control, Space Division Multiplexing, Multi Core Fiber, Inter Core Crosstalk
• Koichi Morita, Ken-ichi Baba, "A Link Capacity Design Methodology Based on Edge-Betweenness Centrality in SDM-EON"
  IEICE Technical Report (PN2024-60), vol. 124, no. 395, pp. 1-6, Mar. 2025.
  Keywords: EONs, WDM, GraphTheoly, EdgeBetweenness Centrality, Link Capacity
• Shota Okochi, Katsunori Yamaoka and Ken-ichi Baba,"A Cost-Effective Node Placement Method in EONs Using Superposition Coding"
  Proceedings of 2025 IEEE International Conference on Computing, Networking and Communications (ICNC2025), Feb. 2025.
  Keywords: Elastic Optical Networks, Superposition Coding, Successive Interference Cancellation, Node Placement, Reallocation
• Kaishi Morishita, Ken-ichi Baba, "Control Message Transmission Method using Multi-Fiber in Distributed Control SDM-EON"
  .net Winter Workshop 2024, Dec. 2024.
• Takuma Saito, Ken-ichi Baba, "Basic Performance Evaluation of Frequency Allocation Method considering Inter-Core XT in Distributed Control SDM-EON"
  .net Winter Workshop 2024, Dec. 2024.
• Riku Wakabayashi, Ken-ichi Baba, "Fragmentation Suppression Method Using Reinforcement Learning in Elastic Optical Networks"
  .net Winter Workshop 2024, Dec. 2024.
• Shota Okochi and Ken-ichi Baba, "A Study on Cost-Effective Node Placement Method in EON Using Superposition Coding"
  IEICE Technical Report (PN2024-39), vol. 124, no. 264, pp. 69-74, Nov. 2024.
  Keywords: Elastic Optical Network, Superposition Coding, Successive Interference Cancellation, Node Placement, Reallocation
• Shota Okochi and Ken-ichi Baba,"Selection and Effects of Nodes for Superposition Coding in Elastic Optical Networks"
  Proceedings of 2024 International Symposium on Advanced Technology (ISAT-23), Nov. 2024.
• Shota Okochi and Ken-ichi Baba, "Selection and Effects of Nodes for Superposition Coding in EON"
  Proc. Society Conf. IEICE, B-12-3, Sep. 2024.
• Shota Okochi and Ken-ichi Baba,"Path Establishment Method with Reallocation in Elastic Optical Networks Using Superposition Coding"
  Proceedings of 2024 IEEE International Conference on High Performance Switching and Routing (HPSR2024), July 2024.
  Keywords: Elastic Optical Networks, Superposition Coding, Successive Interference Cancellation, Routing Control, Reallocation

FY 2023

• Namito Shimokawa, Ken-ichi Baba, "BLE beacon selection methods for 3D indoor location estimation"
  Proc. IEICE Gen. Conf., B-7-27, Mar. 2024.
• Manaya Takenawa, Ken-ichi Baba, Ryohei Banno, "Verification of Sharding Protocols in SimBlock"
  IEICE Technical Report(IA2023-86), vol. 123, no. 422, pp. 73-78, Mar. 2024.
  Keywords: Blockchain, ShardingProtocols, Scalability Problem, Transactions Per Second, Simulator
• Manaya Takenawa, Ken-ichi Baba, Ryohei Banno, "Simulation of Sharding Protocols in SimBlock"
  Proc. IEICE Gen. Conf., B-7-31, Mar. 2024.
• Kazuya Miura, Ken-ichi Baba, "Safety improvement effects of sharing movement information of vehicles and pedestrians at intersections"
  Proc. IEICE Gen. Conf., B-7-28, Mar. 2024.
• Namito Shimokawa, Ken-ichi Baba, "3D indoor location estimation method using BLE beacons"
  IEICE Technical Report(IN2023-109), vol. 123, no. 398, pp. 261-266, Feb. 2024.
  Keywords: RSSI, Indoor location estimation, BLE, Kalman filter, location-based service
• Shota Okochi and Ken-ichi Baba,"A Study on Link Load Balancing Method in Elastic Optical Networks Using Superposition Coding"
  Proceedings of 2023 International Symposium on Advanced Technology (ISAT-22), Oct. 2023.
• Shota Okochi,Ken-ichi Baba,"A Study on Link Load Balancing Method in Elastic Optical Networks Using Superposition Coding"
  Proc. Society Conf. IEICE, B-12-3, Sep. 2023.
• Shota Okochi,Ken-ichi Baba,"A Link Load Balancing Method in Elastic Optical Networks Using Superposition Coding"
  IEICE Technical Report(PN2023-39), vol.123, no.267, pp.15-20, Nov. 2023.
  Keywords: Elastic Optical Network, Superposition Coding, Reallocation, RMSA, Routing Control, Load Balancing

FY 2022

• Yoichiro Arii, Katsunori Yamaoka and Ken-ichi Baba,"A two-stage trunk reservation control method corresponding to general call priority using switch outside disaster area"
  Proceedings of 2023 IEEE International Conference on Computing, Networking and Communications (ICNC), Feb. 2023.
  Keywords: Emergency telecommunications, Trunk reservation control, Call blocking probability, Accommodation ratio of general call, Congestion control
• Yoichiro Arii, Katsunori Yamaoka and Ken-ichi Baba,"Study on a trunk reservation control method with waiting queue for priority calls in emergency situation"
  Proceedings of 2022 International Symposium on Advanced Technology (ISAT-21), Nov. 2022.
• Reiji Yasuda,Shinsuke Saito,Ken-ichi Baba"An indoor position estimate method using BLE beacons corresponding to obstacles"
  Proc. Society Conf. IEICE, B-7-10, Sep. 2022
• Yoichiro Arii,Ken-ichi Baba,Katsunori Yamaoka"A Study on a Trunk Reservation Control Method Using Waiting Queue for Priority Calls in Emergency Situation"
  IEICE Technical Report(IN2022-38), vol.122, no.233, pp.36-41, Oct. 2022
• Koji Sugiyama,Ken-ichi Baba"Investigation of a drop request protocol for defense against DRDoS attacks"
  IEICE Technical Report(IN2022-51), vol.122, no.305, pp.40-45, Dec. 2022
  Keywords: DDoS,DRDoS,Reflection Attack, DNS Amplification Attack, OpenFlow
• Sotaro Yokota,Ken-ichi Baba"A Routing Control Method considering the Real Time Information in Distributed Control SDM-EON"
  IEICE Technical Report(PN2022-66), vol.122, no.398, pp.130-135, Mar. 2023
  Keywords: Elastic Optical Network, Space Division Multiplexing, Distributed Control, RMSA, Routing Control
• Shota Okochi,Ken-ichi Baba"A Path Establishment Method with Reallocation in Elastic Optical Networks using Superposition Coding"
  IEICE Technical Report(PN2022-67), vol.122, no.398, pp.136-141, Mar. 2023
  Keywords: EONs,Superposition Coding, Successive Interference Cancellation, Routing Control, Reallocation
• Yuya Ogino,Ken-ichi Baba"Routing Methodology Using Multiple Transmit Wavelengths in Torus Optical Data Center Networks"
  IEICE Technical Report(IN2022-75), vol.122, no.407, pp.57-62, Mar. 2023
  Keywords: torus network, data center network, optical labels, optical burst forwarding, routing
• Koji Sugiyama,Ken-ichi Baba"A Defense Method with Drop-Request Protocol against DRDoS Attack"
  IEICE Technical Report(IN2022-102), vol.122, no.407, pp.217-222, Mar. 2023
  Keywords: DDoS,DRDoS,Reflection Attack, DNS Amplification Attack, OpenFlow
• Sotaro Yokota,Ken-ichi Baba"A Routing Control Method considering the Network Status in Distributed Control SDM-EON"
  Proc. IEICE Gen. Conf., B-12-12, Mar. 2022
• Yuya Ogino,Ken-ichi Baba"A State-Monitoring Routing Method for Torus Optical Data Center Networks"
  Proc. IEICE Gen. Conf., B-12-8, Mar. 2022
• Yoichiro Arii,Katsunori Yamaoka,Ken-ichi Baba"A Trunk Reservation Control Method using Waiting Queue for Priority Calls in Emergency Situation"
  Proc. IEICE Gen. Conf., B-7-19, Mar. 2022
• Shota Okochi,Ken-ichi Baba"A Study on Reallocation Target Paths in Elastic Optical Networks using Superposition Coding"
  Proc. IEICE Gen. Conf., B-12-6, Mar. 2022
• Keiichi Oshima,Ken-ichi Baba"A Path Control Method with OpenFlow considering QoS for Application"
  Proc. IEICE Gen. Conf., B-7-9, Mar. 2022
• Seia Nakayama,Ken-ichi Baba"Cache Distributed Allocation Methods for Large Contents considering Hit Ratio"
  Proc. IEICE Gen. Conf., B-7-20, Mar. 2022
• Satoshi Hasegawa,Ken-ichi Baba"A Hierarchical Routing Method for Multiple Unmanned Mobile Vehicles using Smart Meter Wireless Devices"
  Proc. IEICE Gen. Conf., B-7-8, Mar. 2022
• Fuka Ueda,Ken-ichi Baba"A Prediction Method of User Interest Information considering Time Spent on Web Pages"
  Proc. IEICE Gen. Conf., B-7-10, Mar. 2022
• Koji Sugiyama,Ken-ichi Baba"A Drop-Request Protocol for Defense against DRDoS Attack"
  Proc. IEICE Gen. Conf., B-7-18, Mar. 2022

FY 2021

• Yuya Ogino,Ken-ichi Baba,"A study on optical burst transfer method in Torus type data center network"
  Proceedings of 2021 International Symposium on Advanced Technology (ISAT-20), Nov. 2021.
• Motoi Kato,Ken-ichi Baba,"Shared backup path establishment method in SDM-EON"
  Proceedings of International Conference on Emerging Technologies for Communications (ICETC2021), Dec. 2021.
  Keywords: elastic optical networks, space division multiplexing, multi-core fibers, path protection
• Sotaro Yokota,Ken-ichi Baba,"Spectrum allocation method considering the difference in required resources in distributed control SDM-EON"
  Proceedings of International Conference on Emerging Technologies for Communications (ICETC2021), Dec. 2021.
  Keywords: EON, SDM, Distributed Control, Spectrum Allocation
• Yoichiro Arii,Ken-ichi Baba,"Spectrum resource assignment method considering adjacent link conditions for AR requests in EON"
  IEICE Communications Express, 2021, Volume 10, Issue 12, p. 936-941, Dec. 2021.
  Keywords: elastic optical network, advance reservation, RMSA, spectrum assignment
• Hiroyasu Sato,Ken-ichi Baba,Yusuke Hirota"A Dynamic Path Establishment Method using Superposition Coding in EON"
  IEICE Technical Report(PN2021-11), vol. 121, no. 76, pp. 40-45, Jan. 2022.
  Keywords: Elastic Optical Network, Superposition Coding, Successive interference cancellation, Routing Control
• Sotaro Yokota,Ken-ichi Baba"A Study on Routing Control Method in Distributed Control SDM-EON"
  IEICE Technical Report(PN2021-29), vol. 121, no. 237, pp. 17-22, Jan. 2022.
  Keywords: Elastic Optical Network, Space Division Multiplexing, Distributed Control, Routing Control
• Hiroyasu Sato,Ken-ichi Baba"EONにおける重畳符号化を用いたパス設定手法の検討"
  第6回先端ネットワーク技術に関するワークショップ, Jan. 2022.
• Motoi Kato,Ken-ichi Baba"分散制御SDM-EONにおける経路制御及び周波数割当の検討"
  第6回先端ネットワーク技術に関するワークショップ, Jan. 2022.
• Sotaro Yokota,Ken-ichi Baba"分散制御SDM-EONにおける経路制御及び周波数割当の検討"
  第6回先端ネットワーク技術に関するワークショップ, Jan. 2022.
• Sotaro Yokota,Ken-ichi Baba"A Routing Control Method expanding Candidate Routes in Distributed Control SDM-EON"
  IEICE Technical Report(PN2021-54), vol. 121, no. 386, pp. 10-15, Mar. 2022.
  Keywords: Elastic Optical Network, Space Division Multiplexing, Distributed Control, Routing Control
• Motoi Kato,Ken-ichi Baba"Shared Backup Path Selection Method in SDM-EON"
  IEICE Technical Report(PN2021-55), vol. 121, no. 386, pp. 16-21, Mar. 2022.
  Keywords: elastic optical network, spatial division multiplexing, path protection, shared backup path, dedicated backup path
• Hiroyasu Sato,Ken-ichi Baba,Yusuke Hirota"Path Establishment Method Considering Resource Utilization Status using Superposition Coding in Elastic Optical Network"
  IEICE Technical Report(PN2021-72), vol. 121, no. 386, pp. 104-109, Mar. 2022.
  Keywords: Elastic Optical Network, Superposition Coding, Successive interference cancellation, Routing Control
• Yoichiro Arii,Ken-ichi Baba,Katsunori Yamaoka,"A Two-stage Trunk Reservation Control Method for Emergency Calls utilized the Switch outside Disaster Area"
  IEICE Technical Report(IN2021-47), vol. 121, no. 434, pp. 97-102, Mar. 2022.
• Yoichiro Arii,Ken-ichi Baba,Katsunori Yamaoka"A Study on Two-stage Trunk Reservation Control for Emergency Calls utilized Control Base Outside the Disaster Area"
  Proc. IEICE Gen. Conf., B-7-19, Mar. 2022.
• Hiroyasu Sato,Ken-ichi Baba,Yusuke Hirota"A Study on Frequency Slot Fragmentation Suppression Method using Superposition Coding in EON"
  Proc. IEICE Gen. Conf., B-12-11, Mar. 2022.
• Sotaro Yokota,Ken-ichi Baba"A Routing Control Method considering the number of Available Candidate Routes in Distributed Control SDM-EON"
  Proc. IEICE Gen. Conf., B-12-12, Mar. 2022.

FY 2020

• Hiroyasu Sato, Ken-ichi Baba,"A study on dynamic path establishment method using superposition coding in EON"
  Proceedings of 2021 International Symposium on Advanced Technology (ISAT-19), Jan. 2021.
• Motoi Kato, Ken-ichi Baba,"A Multi-path Routing Method with Traffic Grooming corresponding to Path Lengths in Elastic Optical Networks"
  Proceedings of International Conference on Emerging Technologies for Communications (ICETC2020), Dec. 2020.
  Keywords: elastic optical network, multi-path routing, traffic grooming, modulation level
• Sora Yoshiyama, Ken-ichi Baba,"Path establishment methods considering fairness due to path length difference in distributed control elastic optical networks"
  Proceedings of 16th International Conference on IP+Optical Network (iPOP2020), Sept. 2020.
  Keywords: Elastic Optical Networks, Distributed control, RMSA, Area division, Fairness of path length
• Yui Kitao,Ken-ichi Baba"A Path Control Method in Ad-hoc Networks consisting of Nodes with Directional Antennas"
  IEICE Technical Report(IN2020-81), vol. 120, no. 414, pp. 162-165,Mar.2021.
  Keywords: ad-hoc networks, directional communication, multipath routing, path control method
• Sotaro Yokota,Ken-ichi Baba"Spectrum Allocation Method according to Resource Utilization in Distributed Control SDM-EON"
  IEICE Technical Report(PN2020-61), vol. 120, no. 388, pp. 110-115,Mar.2021.
  Keywords: Elastic Optical Network, Space Division Multiplexing, Distributed Control, Spectrum Allocation
• Yoichiro Arii,Ken-ichi Baba"Spectrum Resource Assignment Method considering Adjacent Link Conditions for AR Requests in EON"
  IEICE Technical Report(PN2020-59), vol. 120, no. 388, pp. 98-103,Mar.2021.
  Keywords: elastic optical network, advance reservation, RMSA, spectrum assignment
• Sora Yoshiyama,Ken-ichi Baba"Routing Control Method considering Traffic Consditons in Software Defind Elastic Optical Network"
  IEICE Technical Report(PN2020-58), vol. 120, no. 388, pp. 92-97,Mar.2021.
  Keywords: Elastic Optical Network, Software-Defind Network, OpenFlow, Domain Decomposition, Routing Control
• Motoi Kato,Ken-ichi Baba"Shared Backup Path Establishment Method in SDM-EON"
  IEICE Technical Report(PN2020-60), vol. 120, no. 388, pp. 104-109,Mar.2021.
  Keywords: elastic optical network, spatial division multiplexing, path protection, shared backup path, dedicated backup path
• Sotaro Yokota,Ken-ichi Baba"Spectrum Allocation Method considering the Difference in Required Resources in Distributed Control SDM-EON"
  Proc. IEICE Gen. Conf., B-12-6,Mar.2021.
• Motoi Kato,Ken-ichi Baba"A Study on Route Derivation for Shared Backup Path Establishment Method in SDM-EON"
  Proc. IEICE Gen. Conf., B-12-5,Mar.2021.
• Sora Yoshiyama,Ken-ichi Baba"A Study on Routing Control Method considering Traffic Characteristics in Software Defind Elastic Optical Network"
  Proc. IEICE Gen. Conf., B-12-4,Mar.2021.
• Yoichiro Arii,Ken-ichi Baba"A Study on Spectrum Resource Assignment Method considering Adjacent Link Conditions for AR Requests in EON"
  Proc. IEICE Gen. Conf., B-12-3,Mar.2021.
• Yuya Ogino,Ken-ichi Baba"A Study on Optical Burst Transfer Method in Torus Type Data Center Network"
  Proc. IEICE Gen. Conf., B-7-1,Mar.2021.
• Hiroyasu Sato,Ken-ichi Baba"A Study on Dynamic Path Establishment Method using Superposition Coding in EON"
  Proc. Society Conf. IEICE, B-12-4,Sept.2021.
• Motoi Kato,Ken-ichi Baba"A study on Shared Backup Path Establishment Method in Space Division Multiplexing Elastic Optical Networks"
  Proc. Society Conf. IEICE, B-12-3,Sept.2021.

FY 2019

• Kenta Kawai, Katsunori Yamaoka, and Ken-ichi Baba,"Threshold Setting Method considering General calls with Waiting Queue under Emergency Trunk Reservation Control"
  in Proceedings of 18th International Symposium on Advanced Technology (ISAT-18), Dec. 2019.
• Kenki Seki,Ken-ichi Baba"A Study on Spectrum Allocation Method using Path Switching in SDM-EON"
  Proc. IEICE Gen. Conf., B-12-7,Mar.2020
• Motoi Kato,Ken-ichi Baba"A study on Multi-Path Routing Method with Traffic Grooming according to Path Length in Elastic Optical Network"
  Proc. IEICE Gen. Conf., B-12-2,Mar.2020
• Sora Yoshiyama,Ken-ichi Baba"Validation of Fairness from Difference of Path Lengths by Route Selection Methods in Distributed Control Elastic Optical Networks"
  Proc. IEICE Gen. Conf., B-12-1,Mar.2020
• Kenta Kawai,Katsunori Yamaoka,Ken-ichi Baba"A Study on Emergency Trunk Reservation Control with Waiting Queue for General Calls on Outside of Disaster Area"
  Proc. IEICE Gen. Conf., B-7-46,Mar.2020
• Kenta Kawai,Katsunori Yamaoka,Ken-ichi Baba"Evaluation of Threshold Setting Method by using Waiting Queue for General Calls under Emergency Trunk Reservation Control"
  Proc. Society Conf. IEICE, B-7-29,Sept.2019
• Teruhiro Takahashi,Ken-ichi Baba"DDoS Attack Observation Method with Honeypots placed in Botnets"
  IEICE Technical Report(IN2019-126)vol. 119, no. 461, pp. 285-289,Mar.2020
  Keywords: DDoS. DRDoS, Reflector, Honeypot, Mirai
• Motoi Kato,Ken-ichi Baba"A Multi-Path Routing Method with Traffic Grooming considering Path Lengths in Elastic Optical Networks"
  IEICE Technical Report(PN2019-67)vol. 119, no. 442, pp. 87-91,Mar.2020
  Keywords: elastic optical network, multi-path routing, Traffic Grooming, modulation level, guardband
• Kenki Seki,Ken-ichi Baba"Spectrum Allocation Method Using Path Switching in Space Division Multiplexing Elastic Optical Network"
  IEICE Technical Report(PN2019-68), vol. 119, no. 442, pp. 93-98,Mar.2020
  Keywords: SDM, EON, RMSA, RMCA, Path Switching
• Sora Yoshiyama,Ken-ichi Baba"A study on route selection methods in elastic optical networks distributed control"
  IEICE Technical Report(PN2019-32)vol. 119, no. 290, pp. 55-60,Nov.2019
  Keywords: RMSA, Candidate route, Path selection, Hop count difference, Link utilization
• Kenta Kawai,Katsunori Yamaoka,Ken-ichi Baba"一般通話の待時を考慮した非常時回線留保制御の効果と適切な閾値設定手法"
  第4回先端ネットワーク技術に関するワークショップ,Oct.2019
• Kenta Kawai,Katsunori Yamaoka,Ken-ichi Baba"Threshold Setting Method considering General calls with Waiting Queue under Emergency Trunk Reservation Control"
  IEICE Technical Report(IN2019-26), vol. 119, no. 195, pp. 17-22(2019,09)
  Keywords: Emergency call, Trunk reservation control, Waiting queue, Call blocking probability, Queueing theory

FY 2018

• Kenta Kawai, Kazuki Tanabe, Katsunori Yamaoka and Ken-ichi Baba,"Emergency trunk reservation control using waiting queue for accommodating more general calls"
  in Proceedings of 2019 International Conference on Computing、Networking and Communications（ICNC）Feb.2019
• Seki.Ken-ichi Baba,"Path establish method considering crosstalk in SDM elastic optical networks"
  in Proceedings of Proceedings of Photonics in Switching and Computing,Sep.2018
  Keywords: elastic optical networks, multi core fiber, crosstalk, path establishment method
• Mizuki Tsukiji,Ken-ichi Baba"Access Control Method for ZigBee Communication in Wireless LAN Environment"
  IEICE Technical Report(IN2018-138), vol. 118, no. 466, pp. 325-329,Mar.2019
  Keywords: ZigBee, Wireless LAN, Coexistence Environment, Access Control
• Akira Takabe,Ken-ichi Baba"A Study on Path Establishment Method using Overlap Technology in Elastic Optical Networks"
  Proc. IEICE Gen. Conf., B-12-5,Mar.2019
• Sora Yoshiyama,Ken-ichi Baba"A Study on Path Establishment Method considering Difference of Path Lengths in EONs with Distributed Control"
  Proc. IEICE Gen. Conf., B-12-4,Mar.2019
• Miho Kitahama,Ken-ichi Baba"A study on multicore control method considering server performance and power consumption in NFV environment"
  IEICE Technical Report(IN2018-71), vol. 118, no. 359, pp. 73-78,Dec.2018
  Keywords: NFV, Network virtualization, VNF, vCPE, Core control
• Kenta Kawai,Katsunori Yamaoka,Ken-ichi Baba"Threshold Setting Method by using Waiting Queue for General Calls under Emergency Trunk Reservation Control"
  Proc. Society Conf. IEICE, B-7-15,Sept.2018
• Miho Kitahama,Ken-ichi Baba"AStudy on Core Control Method Considering Processing Time of Multi-core CPU in NFV Environment"
  Proc. Society Conf. IEICE, B-7-14,Sept.2018
• Kenki Seki,Ken-ichi Baba"A Path Establishment Method considering Crosstalk Effect in Space Division Multiplexing Elastic Optical Networks"
  IEICE Technical Report(PN2018-9), vol. 118, no. 90, pp. 31-36,June.2018
  Keywords: Elastic optical networks, MCF, crosstalk, Path establish method

FY 2017

• Naoki Akutsu and Ken-ichi Baba,"Resource allocation methods considered residual link bandwidth for service function chaining design"
  in Proceedings of 2017 IEEE 41st Annual Computer Software and Applications Conference (COMPSAC 2017),Jul,2017
  Keywords: Service Function Chaining, NFV, VNF, Resource Allocation, Optimization Problem
• Daiki Suzuki, ken-ichi Baba,"A Path Selection Method Passing Around Highly Loaded Nodes Considering Network Topology"
  in Proceedings of The 16th International Symposium on Advanced Technology (ISAT-16),Nov, 2017
• Kenta Kawai,Kazuki Tanabe,Katsunori Yamaoka,Ken-ichi Baba"Emergency Trunk Reservation Control Using Waiting Queue for General Calls"
  IEICE Technical Report(IN2017-116), vol. 117, no. 460, pp. 159-164 Mar,2018
• Naoki Akutsu,Ken-ichi Baba"Dynamic Resource Allocation Methods Considering Used Links Control for Service Function Chaining"
  IEICE Technical Report(IN2017-99), vol. 117, no. 460, pp. 57-62 Mar,2018
  Keywords: Service Function Chaining, NFV, VNF, Resource Allocation, Optimization Problem
• Naoto Okabe,Ken-ichi Baba"A Resource Allocation Method using Core Control Function of Multicore Server in NFV Environment"
  IEICE Technical Report(IN2017-97), vol. 117, no. 460, pp. 45-50 Mar,2018
  Keywords: NFV,VNF,vCPE, Core control
• Ryosuke Shinozawa,Ken-ichi Baba"A Spectrum Allocation Method with Regional Division Considering De-fragmentation in Elastic Optical Networks"
  IEICE Technical Report(PN2017-109), vol. 117, no. 473, pp. 117-122 Mar,2018
  Keywords: Elastic Optical Network, RMSA, Spectrum Defragmentation, Regional Division
• Yuya Hiraiwa,Ken-ichi Baba"Distributed Control Methods in Multi-Domain Elastic Optical Networks"
  IEICE Technical Report(PN2017-103), vol. 117, no. 473, pp. 81-86 Mar,2018
  Keywords: Elastic Optical Networks, Distributed Control, RMSA, Multi-Domain Network
• Ryosuke Shinozawa,Ken-ichi Baba"A Spectrum Allocation Method for Defragmentation in Elastic Optical Networks"
  Proc. IEICE Gen. Conf., B-12-10 Mar,2018
• Yuki Takahashi,Ken-ichi Baba"Fragmentation Reduction Method considering Communication Duration in EON"
  Proc. IEICE Gen. Conf., B-12-9 Mar,2018
• Yuya Hiraiwa,Ken-ichi Baba"Evaluation of Path Establishment Methods with Distributed Control in Multi-Domain Elastic Optical Networks"
  Proc. IEICE Gen. Conf., B-12-8 Mar,2018
• Takumi Takahashi,Ken-ichi Baba"Congestion Control Method based on User Attribute with Authentication in SDN"
  Proc. IEICE Gen. Conf., B-7-32 Mar,2018
• Naoto Okabe,Ken-ichi Baba"A Resource Allocation Method using Core Control Function of Multicore Server in NFV Environment"
  Proc. IEICE Gen. Conf., B-7-30 Mar,2018
• Naoki Akutsu,Ken-ichi Baba,Hiroyuki Minami"A Resource Allocation Method Considering Operation Servers and Server Resource Utilization for Service Chaining"
  Proc. IEICE Gen. Conf., B-7-29 Mar,2018
• Kenta Kawai,Kazuki Tanabe,Katsunori Yamaoka,Ken-ichi Baba"Blocking Reduction Effectby Using Waiting Queue for General Calls under Emergency Trunk Reservation Control"
  Proc. IEICE Gen. Conf., B-7-25 Mar,2018
• Yuya Hiraiwa, Ken-ichi Baba, "Path Establishment Method with Distributed Control Scheme in Multi-Domain Elastic Optical Networks"
  IEICE Technical Report(PN2017-33), vol. 117, no. 298, pp. 35-40 Nov,2017
  Keywords: Elastic Optical Networks, Distributed Control, RMSA, Multi-Domain Network
• Yuya Hiraiwa, Ken-ichi Baba, "A Study on Path Establishment Method with Distributed Control Method in Multi-Domain Elastic Optical Networks"
  Proc. Society Conf. IEICE, B-12-6
• Yuya Hiraiwa, Ken-ichi Baba,"Spectrum Allocation Methods by means of Weighting Slots in Elastic Optical Networks based on Distributed Control Plane"
  IEICE Technical Report(PN2017-8), vol. 117, no. 88, pp. 13-18 Jun,2017
  Keywords: Elastic Optical Networks, Distributed Control, Spectrum Allocation Method, Weighted

FY 2016

• Ryosuke Shinozawa and Ken-ichi Baba,"Spectrum allocation methods with multiple sub-optical-paths in elastic optical networks"
  in Proceedings of IEEE 17th International Conference on High Performance Switching and Routing Workshop (HPSR2016 Workshop) Jun,2016
• Yuya Hiraiwa and Ken-ichi Baba,"A spectrum allocation method based on distributed control plane in elastic optical networks"
  in Proceedings of IEEE 17th International Conference on High Performance Switching and Routing (HPSR2016),Jun.2016
• Yuya Hiraiwa, Ken-ichi Baba,"A Spectrum Allocation Method by Weighting Slots in Elastic Optical Networks based on Distributed Control Plane"
  Proc. IEICE Gen. Conf., B-12-12 Mar,2017
• Ryo Fujii, Ken-ichi Baba,"A Routing Control Method based on Authentication Information in SDN"
  Proc. IEICE Gen. Conf., B-7-2 Mar.2017
• Takuya Takahashi, Ken-ichi Baba,"A Route Selection Method Considering QoS for Applications in SDN"
  Proc. IEICE Gen. Conf., B-7-3 Mar.2017
• Naoki Akutsu, Ken-ichi Baba, Hiroyuki Minami,"A Dynamic Resource Allocation Method Considering Service Duration for Service Function Chaining"
  Proc. IEICE Gen. Conf., B-7-6 Mar.2017
• Naoki Akutsu, Ken-ichi Baba,"A study on Dynamic Service Chain Allocation Method Considering Service Duration and Server Resource Utilization"
  IEICE Technical Report(IN2016-150), vol. 116, no. 485, pp. 317-322 Mar,2017
  Keywords: Service Function Chaining, NFV, VNF, Resource Allocation, Optimization Problem
• Yuya Hiraiwa, Ken-ichi Baba,"A Routing Search Method based on Distributed Control Plane in Elastic Optical Networks"
  Proc. Society Conf. IEICE, B-12-14 Sep.2016
• Yuya Hiraiwa, Ken-ichi Baba,"A Study on Path Establishment Method based on Distributed Control Plane in Elastic Optical Networks"
  IEICE Technical Report(PN2016-19), vol. 116, no. 205, pp. 29-34 Sep.2016
  Keywords: Elastic Optical Networks, Distributed Control, Spectrum Allocation, Routing
• Ryosuke Shinozawa, Ken-ichi Baba,"A Study on Spectrum Allocation Methods with Fairness of Long Distance Paths in Elastic Optical Networks"
  IEICE Technical Report(PN2016-20), vol. 116, no. 205, pp. 35-40 Sep,2016
  Keywords: elastic optical network, RMSA, Fairness

FY 2015

• Naoki Murasugi, Ken-ichi Baba,"Characterization of Voice Codec for Selection in Congested Packet Networks"
  Proc. IEICE Gen. Conf., B-11-26 Mar,2016
• Naoki Akutsu, Ken-ichi Baba,"Resource Allocation Methods based on Required Bandwidth for Service Function Chaining"
  Proc. IEICE Gen. Conf., B-6-50 Mar,2016
• Ryosuke Shinozawa, Ken-ichi Baba,"ASpectrum Allocation Method with Multiple Sub-optical-paths for Reduction of Slot Fragmentation in Elastic Optical Networks"
  Proc. IEICE Gen. Conf., B-12-2 Mar,2016
• Naoki Akutsu, Ken-ichi Baba,"Resource Allocation Methods Considering Residual Link Bandwidth for Service Function Chaining"
  IEICE Technical Report(NS2015-168), vol. 115, no. 483, pp. 1-6 Mar,2016
  Keywords: Service Function Chaining, NFV, VNF, Resource Allocation, Optimization Problem
• Ryosuke Shinozawa, Ken-ichi Baba,"A Study on Spectrum Allocation Methods with Multiple Sub-optical-paths in Elastic Optical Networks"
  IEICE Technical Report(PN2015-103), vol. 115, no. 497, pp. 7-12 Feb,2016
  Keywords: elastic optical network, optical path splitting, RMSA

Access

22nd floor of Kogakuin University Shinjuku Campus

• A2213 (Professor's Room)
• A2232 (Student Room)
• A2233 (Student Room)
• A2252 (Joint Graduate Student Room)

E-mail : contact[at]ans.cc.kogakuin.ac.jp

If you would like to visit the laboratory or learn about the laboratory, please contact me at the above address.