Yasuaki NAKAMURA


Performance Evaluation of Non-binary LDPC Coding and Iterative Decoding System for BPM R/W Channel with Write-Errors
Yasuaki NAKAMURA Yoshihiro OKAMOTO Hisashi OSAWA Hajime AOI Hiroaki MURAOKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/12/01
Vol. E96-C  No. 12  pp. 1497-1503
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Elementary Technologies for Information Storage)
Category: 
Keyword: 
bit-patterned mediumwrite-errornon-binary low-density parity-check (LDPC) codeiterative decoding
 Summary | Full Text:PDF(3.3MB)

Performance Evaluation of Neuro-ITI Canceller Using a Modified Writing Process for TDMR
Masato YAMASHITA Yoshihiro OKAMOTO Yasuaki NAKAMURA Hisashi OSAWA Simon J. GREAVES Hiroaki MURAOKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/12/01
Vol. E96-C  No. 12  pp. 1504-1507
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
writing processneuro-ITI cancellerTDMR
 Summary | Full Text:PDF(935.2KB)

Performance Improvement System for Perpendicular Magnetic Recording with Thermal Asperity
Yupin SUPPAKHUN Pornchai SUPNITHI Yoshihiro OKAMOTO Yasuaki NAKAMURA Hisashi OSAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/09/01
Vol. E94-C  No. 9  pp. 1472-1478
Type of Manuscript:  PAPER
Category: Storage Technology
Keyword: 
perpendicular magnetic recordingthermal asperity estimateGMR nonlinearbaseline wandertrellismoving average
 Summary | Full Text:PDF(1.2MB)

Performance Evaluation of PRML System Based on Thermal Decay Model
Nobuhiko SHINOHARA Keiko TAKEUCHI Hisashi OSAWA Yoshihiro OKAMOTO Yasuaki NAKAMURA Atsushi NAKAMOTO Kenji MIURA Hiroaki MURAOKA Yoshihisa NAKAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/08/01
Vol. E90-C  No. 8  pp. 1583-1588
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress of High-Density Information Storage)
Category: 
Keyword: 
thermal decayperpendicular magnetic recordingadaptive equalizationlong-term BER performance
 Summary | Full Text:PDF(998.9KB)

An Application of Neural Network Equalization to Polytopic Multiplexing Holography and Reduction of Interpixel Interference
Hisashi OSAWA Naoki KAWAUE Yoshihiro OKAMOTO Yasuaki NAKAMURA Hirotaka OCHI Shoji MARUKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/08/01
Vol. E90-C  No. 8  pp. 1612-1618
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress of High-Density Information Storage)
Category: 
Keyword: 
holographic data storageneural networkinterpixel interferenceBER performance
 Summary | Full Text:PDF(761.4KB)