Sumaru NIIDA

Analyzing the Effects of Social Network Structure on the Growth and Survival of Online Communities in Reddit
Sho TSUGAWA Sumaru NIIDA 
Publication:   
Publication Date: 2021/07/01
Vol. E104-B  No. 7  pp. 760-769
Type of Manuscript:  Special Section PAPER (Special Section on Future Directions of Research and Development on Communication Quality)
Category: 
Keyword: 
online community, social network, Reddit, growth, survival, 
 Summary | Full Text:PDF(984.8KB)
A Survey on Modeling of Human States in Communication Behavior
Sumaru NIIDA Sho TSUGAWA Mutsumi SUGANUMA Naoki WAKAMIYA 
Publication:   
Publication Date: 2017/09/01
Vol. E100-B  No. 9  pp. 1538-1546
Type of Manuscript:  INVITED SURVEY PAPER
Category: Network
Keyword: 
modeling, mental process, user satisfaction, QoE, user experience, user behavior, social network, human-network interaction, 
 Summary | Full Text:PDF(1.5MB)
A Service Design Method for Transmission Rate Control in Multitasking That Takes Attention Shift into Account
Sumaru NIIDA Satoshi UEMURA Shigehiro ANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/01/01
Vol. E98-B  No. 1  pp. 71-78
Type of Manuscript:  Special Section PAPER (Special Section on Quality of Diversifying Communication Networks and Services)
Category: 
Keyword: 
service quality, user satisfaction, waiting time, QoE, user experience, human-centered design, human-network interaction, 
 Summary | Full Text:PDF(1.9MB)
Design Requirements for Improving QoE of Web Service Using Time-Fillers
Sumaru NIIDA Satoshi UEMURA Etsuko T. HARADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/08/01
Vol. E96-B  No. 8  pp. 2069-2075
Type of Manuscript:  PAPER
Category: Network
Keyword: 
service quality, user experience, human-centered design, waiting, time-fillers, field study, 
 Summary | Full Text:PDF(1.3MB)
A Web Script-Based Field Evaluation Method to Assess Subjective Quality of Mobile Services
Satoshi UEMURA Sumaru NIIDA Hajime NAKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/03/01
Vol. E94-B  No. 3  pp. 639-648
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication Technologies for Next-generation Mobile Multimedia Life)
Category: 
Keyword: 
user satisfaction, QoE, subjective assessment, waiting time, 
 Summary | Full Text:PDF(1.8MB)
Field Test Performance and Analysis of a Base Station to Cancel Wideband CDMA Interference
Toshinori SUZUKI Yoshio TAKEUCHI Sumaru NIIDA Fumio WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/03/01
Vol. E84-B  No. 3  pp. 383-391
Type of Manuscript:  Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21st Century)
Category: 
Keyword: 
CDMA, IMT-2000, interference cancellation, multiuser detection, field test, 
 Summary | Full Text:PDF(660.7KB)