Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 56

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323
IEICE Trans

Kyota HATTORI

Attentive Retrieval-Augmented Generation with Large Language Models for Simulation-Data-Enhanced Router Performance Estimation
Kyota HATTORI Tomohiro KORIKAWA Chikako TAKASAKI Takaaki MORIYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2026/04/01
Vol. E109-B  No. 4  pp. 510-523
Type of Manuscript:  Special Section PAPER (Special Section on Wired and Wireless Network System Technologies in Beyond 5G/6G Era)
Category: 
Keyword: 
attentive retrieval-augmented generation, router performance estimation, large language models, 
 Summary | Full Text:PDF
Attentive Retrieval-Augmented Generation with Large Language Models for Simulation-Data-Enhanced Router Performance Estimation
Kyota HATTORI Tomohiro KORIKAWA Chikako TAKASAKI Takaaki MORIYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2026/04/01
Vol. E109-B  No. 4  pp. 510-523
Type of Manuscript:  Special Section PAPER (Special Section on Wired and Wireless Network System Technologies in Beyond 5G/6G Era)
Category: 
Keyword: 
attentive retrieval-augmented generation, router performance estimation, large language models, 
 Summary | Full Text:PDF
Neural Processes-Based Node Modeling to Extrapolate Router Metrics
Kyota HATTORI Tomohiro KORIKAWA Chikako TAKASAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2025/02/01
Vol. E108-B  No. 2  pp. 139-151
Type of Manuscript:  PAPER
Category: Network System
Keyword: 
router metrics prediction, extrapolation of router metrics, neural processes, node modeling, 
 Summary | Full Text:PDF
Device Type Classification Based on Two-Stage Traffic Behavior Analysis
Chikako TAKASAKI Tomohiro KORIKAWA Kyota HATTORI Hidenari OHWADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2024/01/01
Vol. E107-B  No. 1  pp. 117-125
Type of Manuscript:  Special Section PAPER (Special Section on Wired-and-Wireless Network System Technologies in Beyond 5G/6G)
Category: 
Keyword: 
device type classification, traffic behavior analysis, machine learning, deep learning, 
 Summary | Full Text:PDF
Passive Optical Metro Network Based on NG-PON2 System to Support Cloud Edges
Kyota HATTORI Masahiro NAKAGAWA Masaru KATAYAMA Jun-ichi KANI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2019/01/01
Vol. E102-B  No. 1  pp. 88-96
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
passive optical metro network, NG-PON2 systems, 
 Summary | Full Text:PDF
Bufferless Bidirectional Multi-Ring Networks with Sharing an Optical Burst Mode Transceiver for Any Route
Kyota HATTORI Masahiro NAKAGAWA Toshiya MATSUDA Masaru KATAYAMA Katsutoshi KODA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2017/05/01
Vol. E100-D  No. 5  pp. 948-962
Type of Manuscript:  Special Section PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
Category: 
Keyword: 
time division multiplexing, timeslot synchronization, bidirectional bufferless WDM/TDM multi-ring networks, 
 Summary | Full Text:PDF
Virtual Edge Architecture with Optical Bandwidth Resource Control
Akira MISAWA Konomi MOCHIZUKI Hideo TSUCHIYA Masahiro NAKAGAWA Kyota HATTORI Masaru KATAYAMA Jun-ichi KANI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1805-1812
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC2015)
Category: Network
Keyword: 
NW virtualization, virtual edge, PON, NFV, WDM/TDM, 
 Summary | Full Text:PDF
Dynamic Subwavelength Protection Using High-Speed Optical Switches for Optical Metro Networks
Masahiro NAKAGAWA Kyota HATTORI Toshiya MATSUDA Masaru KATAYAMA Katsutoshi KODA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/02/01
Vol. E99-C  No. 2  pp. 203-211
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Photonics Technologies and Their Applications)
Category: 
Keyword: 
optical subwavelength switched networks, optical switch, protection, time-slot allocation, dynamic bandwidth re-optimization, 
 Summary | Full Text:PDF
Optical Layer 2 Switch Network with Bufferless Optical TDM and Dynamic Bandwidth Allocation
Kyota HATTORI Toru HOMEMOTO Masahiro NAKAGAWA Naoki KIMISHIMA Masaru KATAYAMA Akira MISAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/02/01
Vol. E99-C  No. 2  pp. 189-202
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Photonics Technologies and Their Applications)
Category: 
Keyword: 
bufferless optical time division multiplexing, dynamic bandwidth allocation, burst transmission at aggregation network, 
 Summary | Full Text:PDF
Hierarchical Time-Slot Allocation for Dynamic Bandwidth Control in Optical Layer-2 Switch Network
Masahiro NAKAGAWA Kyota HATTORI Naoki KIMISHIMA Masaru KATAYAMA Akira MISAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/07/01
Vol. E97-B  No. 7  pp. 1303-1312
Type of Manuscript:  Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
WDM/TDM ring networks, dynamic path control, time-slot allocation, time-slot schedule, hierarchical calculation, 
 Summary | Full Text:PDF