Yusuke KOZAWA


Free Space Optical Turbo Coded Communication System with Hybrid PPM-OOK Signaling
Ran SUN Hiromasa HABUCHI Yusuke KOZAWA 
Publication:   
Publication Date: 2020/01/01
Vol. E103-A  No. 1  pp. 287-294
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
free space optical communicationhybrid PPM-OOK signalingturbo codegamma-gamma channeleffective information ratecapacity
 Summary | Full Text:PDF(1.7MB)

Theoretical Analysis on Bit Error Rate of Visible-Light Variable N-Parallel Code-Shift-Keying
Keisuke OSAWA Hiromasa HABUCHI Yusuke KOZAWA 
Publication:   
Publication Date: 2018/12/01
Vol. E101-A  No. 12  pp. 2352-2358
Type of Manuscript:  Special Section PAPER (Special Section on Signal Design and Its Applications in Communications)
Category: Communication Theory and Signals
Keyword: 
lighting constrained visible-light communicationslight emitting diodecode-shift-keyingmodified prime sequence codedimming control
 Summary | Full Text:PDF(1.3MB)

Probabilistic Frequent Itemset Mining on a GPU Cluster
Yusuke KOZAWA Toshiyuki AMAGASA Hiroyuki KITAGAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/04/01
Vol. E97-D  No. 4  pp. 779-789
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
GPUuncertain databasesprobabilistic frequent itemsets
 Summary | Full Text:PDF(1.4MB)

Optical Wireless N-CSK with Modified Pseudo Orthogonal M-Sequence Sets
Yusuke KOZAWA Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/11/01
Vol. E94-A  No. 11  pp. 2188-2193
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Spread Spectrum Technologies and Applications
Keyword: 
optical wireless communicationintensity modulation and direct detectioncode shift keyingmodified pseudo orthogonal M-sequence sets
 Summary | Full Text:PDF(990.2KB)

A Comparison of Wireless Optical CDMA Systems Using Chip-Level Detection
Yusuke KOZAWA Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 2291-2298
Type of Manuscript:  Special Section PAPER (Special Section on Signal Design and its Application in Communications)
Category: Spread Spectrum Technologies and Applications
Keyword: 
wireless OCDMAoptical pseudo-noise codechip-level detectionbit error rate performance
 Summary | Full Text:PDF(556.8KB)