Yutaka ARAKAWA

Design and Implementation of Sensor-Embedded Chair for Continuous Sitting Posture Recognition
Teruhiro MIZUMOTO Yasuhiro OTODA Chihiro NAKAJIMA Mitsuhiro KOHANA Motohiro UENISHI Keiichi YASUMOTO Yutaka ARAKAWA 
Publication:   
Publication Date: 2020/05/01
Vol. E103-D  No. 5  pp. 1067-1077
Type of Manuscript:  PAPER
Category: Office Information Systems, e-Business Modeling
Keyword: 
internet of things, posture sensing, smart chair, posture recognition, 
 Summary | Full Text:PDF
Dynamic Load-Distribution Method of uTupleSpace Data-Sharing Mechanism for Ubiquitous Data
Yutaka ARAKAWA Keiichiro KASHIWAGI Takayuki NAKAMURA Motonori NAKAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/04/01
Vol. E97-D  No. 4  pp. 644-653
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
tuple space, load distribution, DHT, 
 Summary | Full Text:PDF
Probabilistic Broadcast-Based Cache Invalidation Scheme for Location Dependent Data in Mobile Environments
Shigeaki TAGASHIRA Yutaka KAMINISHI Yutaka ARAKAWA Teruaki KITASUKA Akira FUKUDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/08/01
Vol. E94-D  No. 8  pp. 1590-1601
Type of Manuscript:  PAPER
Category: Data Engineering, Web Information Systems
Keyword: 
data caching, broadcast-based cache-invalidation, broadcast scheduling, probabilistic approach, 
 Summary | Full Text:PDF
Collaborative Filtering for Position Estimation Error Correction in WLAN Positioning Systems
Shigeaki TAGASHIRA Yuhei KANEKIYO Yutaka ARAKAWA Teruaki KITASUKA Akira FUKUDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/03/01
Vol. E94-B  No. 3  pp. 649-657
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication Technologies for Next-generation Mobile Multimedia Life)
Category: 
Keyword: 
position estimation errors, user correction, positioning system, wireless LAN, 
 Summary | Full Text:PDF
User Location in Picocells -- A Paging Algorithm Derived from Measured Data
Stephan WANKE Hiroshi SAITO Yutaka ARAKAWA Shinsuke SHIMOGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/09/01
Vol. E93-B  No. 9  pp. 2291-2298
Type of Manuscript:  PAPER
Category: Network
Keyword: 
field data analysis, paging, picocells, ubiquitous networks, 
 Summary | Full Text:PDF
Resource Minimization Method Satisfying Delay Constraint for Replicating Large Contents
Sho SHIMIZU Hiroyuki ISHIKAWA Yutaka ARAKAWA Naoaki YAMANAKA Kosuke SHIBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/10/01
Vol. E92-B  No. 10  pp. 3102-3110
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
content delivery network, replica placement, dynamically reconfigurable processor, exhaustive search, 
 Summary | Full Text:PDF
Frame Loss Evaluation of Optical Layer 10 Gigabit Ethernet Protection Switching Using PLZT Optical Switch System
Satoru OKAMOTO Sho SHIMIZU Yutaka ARAKAWA Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/03/01
Vol. E92-B  No. 3  pp. 1017-1019
Type of Manuscript:  LETTER
Category: Network
Keyword: 
10 gigabit Ethernet, optical switch, protection switching, frame loss, 
 Summary | Full Text:PDF
Performance Evaluation of Grid Computing with Parallel Routes Transmission
Hiroyuki MIYAGI Yusuke OKAZAKI Ryota USUI Yutaka ARAKAWA Satoru OKAMOTO Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/12/01
Vol. E91-B  No. 12  pp. 3882-3885
Type of Manuscript:  Special Section LETTER (Special Section on Peer to Peer Networking Technology)
Category: 
Keyword: 
grid computing, parallel routes transmission, link aggregation, optical network, parallel and distributed computing, 
 Summary | Full Text:PDF