| 2023 | GLOBECOM | Data Transfer for Balancing Model Convergence and Training Time in Federated Learning. | Kengo Tajiri, Ryoichi Kawahara |
| 2022 | NOMS | Optimizing Edge-Cloud Cooperation for Machine Learning Accuracy Considering Transmission Latency and Bandwidth Congestion. | Kengo Tajiri, Ryoichi Kawahara, Yoichi Matsuo |
| 2021 | ICCCN | Cooperative Multi-Agent Deep Reinforcement Learning for Dynamic Virtual Network Allocation. | Akito Suzuki, Ryoichi Kawahara, Shigeaki Harada |
| 2018 | GLOBECOM | Root-Cause Diagnosis Using Logs Generated by User Actions. | Hiroki Ikeuchi, Akio Watanabe, Takehiro Kawata, Ryoichi Kawahara |
| 2017 | INFOCOM | Disaster avoidance control against heavy rainfall. | Hiroshi Saito, Hirotada Honda, Ryoichi Kawahara |
| 2016 | VTC | Modeling Urban ITS Communication via Stochastic Geometry Approach. | Tatsuaki Kimura, Hiroshi Saito, Hirotada Honda, Ryoichi Kawahara |
| 2014 | VTC | Cell Planning with Macroscopic Diversity: Optimal Cell Deployment and SINR Evaluation under Frequency Scheduling. | Yasuhiro Ikeda, Hiroshi Saito, Ryoichi Kawahara |
| 2013 | IM | Analysis of content charge by ISPs. | Noriaki Kamiyama, Ryoichi Kawahara |
| 2011 | IM | Limiting pre-distribution and clustering users on multicast pre-distribution VoD. | Noriaki Kamiyama, Ryoichi Kawahara, Tatsuya Mori, Haruhisa Hasegawa |
| 2010 | MASCOTS | Profit Allocation in Coalitional VoD Service. | Noriaki Kamiyama, Ryoichi Kawahara, Haruhisa Hasegawa |
| 2010 | NOMS | Impact of topology on parallel video streaming. | Noriaki Kamiyama, Ryoichi Kawahara, Tatsuya Mori, Shigeaki Harada, Haruhisa Hasegawa |
| 2009 | GLOBECOM | A Method of Constructing QoS Overlay Network and Its Evaluation. | Ryoichi Kawahara, Satoshi Kamei, Noriaki Kamiyama, Haruhisa Hasegawa, Hideaki Yoshino, Eng Keong Lua, Akihiro Nakao |
| 2009 | GLOBECOM | Improving Deployability of Peer-Assisted CDN Platform with Incentive. | Tatsuya Mori, Noriaki Kamiyama, Shigeaki Harada, Haruhisa Hasegawa, Ryoichi Kawahara |
| 2009 | INFOCOM | On the Quality of Triangle Inequality Violation Aware Routing Overlay Architecture. | Ryoichi Kawahara, Eng Keong Lua, Masato Uchida, Satoshi Kamei, Hideaki Yoshino |
| 2008 | APNOMS | Detection of Leaps/sLumps in Traffic Volume of Internet Backbone. | Yutaka Hirokawa, Kimihiro Yamamoto, Shigeaki Harada, Ryoichi Kawahara |
| 2008 | GLOBECOM | A Method of Detecting Network Anomalies in Cyclic Traffic. | Shigeaki Harada, Ryoichi Kawahara, Tatsuya Mori, Noriaki Kamiyama, Haruhisa Hasegawa, Hideaki Yoshino |
| 2008 | GLOBECOM | Identifying Anomalous Traffic Sources Using Flow Statistics. | Ryoichi Kawahara, Noriaki Kamiyama, Shigeaki Harada, Haruhisa Hasegawa, Shoichiro Asano |
| 2007 | GLOBECOM | Detection Accuracy of Network Anomalies Using Sampled Flow Statistics. | Ryoichi Kawahara, Keisuke Ishibashi, Tatsuya Mori, Noriaki Kamiyama, Shigeaki Harada, Shoichiro Asano |
| 2007 | ICCCN | Efficient Timeout Checking Mechanism for Traffic Control. | Noriaki Kamiyama, Tatsuya Mori, Ryoichi Kawahara, Eng Keong Lua |
| 2007 | INFOCOM | Simple and Adaptive Identification of Superspreaders by Flow Sampling. | Noriaki Kamiyama, Tatsuya Mori, Ryoichi Kawahara |
| 2006 | GLOBECOM | Estimating Flow Rate from Sampled Packet Streams for Detection of Performance Degradation at TCP Flow Level. | Ryoichi Kawahara, Tatsuya Mori, Keisuke Ishibashi, Noriaki Kamiyama, Takeo Abe |
| 2006 | ICDE | Estimating Top N Hosts in Cardinality Using Small Memory Resources. | Keisuke Ishibashi, Tatsuya Mori, Ryoichi Kawahara, Yutaka Hirokawa, Atsushi Kobayashi, Kimihiro Yamamoto, Hitoaki Sakamoto |
| 2004 | GLOBECOM | Detection of TCP performance degradation using link utilization statistics. | Keisuke Ishibashi, Ryoichi Kawahara, Aida Takuya, Asaka Masaki |
| 2004 | GLOBECOM | A method of bandwidth dimensioning and management using flow statistics [IP networks]. | Ryoichi Kawahara, Keisuke Ishibashi, Takuya Asaka, Shuichi Sumita, Takeo Abe |
| 2004 | IMC | Identifying elephant flows through periodically sampled packets. | Tatsuya Mori, Masato Uchida, Ryoichi Kawahara, Jianping Pan, Shigeki Goto |
| 2003 | GLOBECOM | A method of IP traffic management using TCP flow statistics. | Ryoichi Kawahara, Keisuke Ishibashi, Takuya Asaka, Katsunori Ori |
| 2002 | GLOBECOM | Evaluation of congestion control of the PDC mobile packet data communication system. | Keiko Yoshihara, Toshihiro Suzuki, Akira Miura, Ryoichi Kawahara |