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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 40  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MRIS, ITE-MMS 2021-06-10
14:20
Miyagi RIEC, Tohoku U.
(Primary: On-site, Secondary: Online)
A study of equalization for reproducing a double-layer magnetic recording medium
Yasuaki Nakamura, Takuya Okada, Madoka Nishikawa (Ehime Univ.), Yasushi Kanai (Niigata Insit.), Yoshihiro Okamoto (Ehime Univ.) MRIS2021-3
 [more] MRIS2021-3
pp.12-17
MRIS, ITE-MMS 2020-12-03
16:00
Online Online A study on iterative decoding using neural network in SMR system
Madoka Nishikawa, Yasuaki Nakamura (Ehime Univ.), Yasushi Kanai (NIT), Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.) MRIS2020-10
We study the low-density parity-check (LDPC) coding and iterative decoding system by signal processing for the shingled ... [more] MRIS2020-10
pp.26-31
MRIS, ITE-MMS 2019-12-05
14:00
Ehime Ehime University A study on iterative decoding using information of magnetic transitions in SMR
Madoka Nishikawa, Yasuaki Nakamura (Ehime Univ.), Yasushi Kanai (NIIT), Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.) MRIS2019-39
In our previous research, we focused on a log-likelihood ratio (LLR) computed as the decoding reliability by a posterior... [more] MRIS2019-39
pp.1-6
MRIS, ITE-MMS 2019-12-05
14:25
Ehime Ehime University A study on MAMR R/W channel modeling for signal processing
Yuji Yamada, Yasuaki Nakamura, Madoka Nishikawa (Ehime Univ.), Yasushi Kanai (Niigata Institute of Technology), Yoshihiro Okamoto (Ehime Univ.) MRIS2019-40
Microwave assisted magnetic recording (MAMR) draws attention as a recording technology to increase the recording densiti... [more] MRIS2019-40
pp.7-12
MRIS, ITE-MMS 2019-06-14
11:10
Miyagi Tohoku Univ. A study on neural network LLR modulation in TDMR
Madoka Nishikawa, Yasuaki Nakamura (Ehime Univ.), Yasushi Kanai (NIT), Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.) MRIS2019-8
In our previous research, we focused on a log-likelihood ratio (LLR) computed as the decoding reliability by a posterior... [more] MRIS2019-8
pp.53-58
MRIS, ITE-MMS 2019-06-14
11:35
Miyagi Tohoku Univ. A Study on Two-Dimensional Signal Processing for Barium Ferrite Magnetic Tape Medium
Yasuaki Nakamura, Madoka Nishikawa (Ehime Univ.), Atsushi Musha (FUJIFILM Corp.), Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.) MRIS2019-9
 [more] MRIS2019-9
pp.59-64
MRIS, ITE-MMS 2018-12-06
14:00
Ehime Ehime University A study of LLR modulation using neural network decision
Madoka Nishikawa, Yasuaki Nakamura (Ehime Univ.), Yasushi Kanai (Niigata Tech.), Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.) MRIS2018-21
In our previous research, we focused on a log-likelihood ratio (LLR) computed as the decoding reliability by a posterior... [more] MRIS2018-21
pp.7-12
MRIS, ITE-MMS 2018-06-07
15:45
Miyagi Tohoku Univ. A study of GPR system for magnetic resonance reading using STO
Keita Masuda, Yasuaki Nakamura, Madoka Nishikawa, Yoshihiro Okamoto (Ehime Univ.), Taro Kanao, Rie Sato (TOSHIBA) MRIS2018-6
 [more] MRIS2018-6
pp.31-36
MRIS, ITE-MMS 2018-06-08
09:40
Miyagi Tohoku Univ. A study on iterative decoding with neural network LLR modulator in SMR system
Madoka Nishikawa, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Ins. of Tec.), Hiroaki Muraoka (Tohoku Univ.) MRIS2018-10
In our previous research, we showed that the iterative decoding with a log-likelihood ratio (LLR) modulator using parity... [more] MRIS2018-10
pp.55-60
MRIS, ITE-MMS 2017-12-08
10:30
Ehime Ehime Univ. A study on iterative decoding with LLR modulator by parity check information in SMR-HDD
Madoka Nishikawa, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Ins. of Tec.), Hiroaki Muraoka (Tohoku Univ.) MR2017-38
(To be available after the conference date) [more] MR2017-38
pp.75-80
MRIS, ITE-MMS 2017-10-19
16:40
Niigata Kashiwazaki energy hall, Niigata Performance improvement of iterative decoding by LLR modification using parity check information in SMR system
Madoka Nishikawa, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Ins. of Tec.), Hiroaki Muraoka (Tohoku Univ.) MR2017-23
In recent years, an iterative decoding system using LDPC (low density parity-check) code as a powerful error correction ... [more] MR2017-23
pp.35-40
MRIS, ITE-MMS 2017-10-19
17:05
Niigata Kashiwazaki energy hall, Niigata A study on BAR for areal density and reader size in SMR system
Yasuaki Nakamura, Madoka Nishikawa, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Ins. Tec.), Hiroaki Muraoka (Tohoku Univ.) MR2017-24
 [more] MR2017-24
pp.41-45
MRIS, ITE-MMS 2017-06-08
16:25
Miyagi Tohoku Univ. A study of two-track lump reading scheme on bit patterned medium
Yasuaki Nakamura, Hiroki Ueno, Madoka Nishikawa, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Institute of Technology), Hiroaki Muraoka (Tohoku Univ.) MR2017-5
 [more] MR2017-5
pp.29-33
MRIS, ITE-MMS 2016-12-08
13:25
Ehime Ehime Univ. A study on dependence of decoding reliability on recording condition in SMR
Ryota Suzuto, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Inst. Tech.), Hiroaki Muraoka (Tohoku Univ.) MR2016-31
Shingled magnetic recording (SMR) is employed to realize higher recording densities in hard disk drive (HDD). In this re... [more] MR2016-31
pp.5-9
MRIS, ITE-MMS 2016-06-10
09:50
Miyagi Tohoku Univ. Effect of two-dimensional FIR filter for TDMR
Ryota Suzuto, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Inst. Tech.), Hiroaki Muraoka (Tohoku Univ.) MR2016-9
A two-dimensional magnetic recording (TDMR) which combines the shingled magnetic recording (SMR) and two-dimensional sig... [more] MR2016-9
pp.59-64
MRIS, ITE-MMS 2015-12-10
13:00
Ehime Ehime Univ. A study on margin for reader size in array head for TDMR
Ryota Suzuto, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Inst. Tech.), Hiroaki Muraoka (Tohoku Univ.) MR2015-22
 [more] MR2015-22
pp.1-6
MRIS, ITE-MMS 2015-12-11
09:50
Ehime Ehime Univ. A Study on Timing Recovery for High Recording Density Tape System
Atsushi Musha, Osamu Shimizu (FUJIFILM), Yasuaki Nakamura, Yoshihiro Okamoto (Ehime Univ.) MR2015-30
 [more] MR2015-30
pp.47-51
MRIS, ITE-MMS 2015-06-05
09:30
Miyagi Tohoku Univ. Performance evaluation of multi-input multi-output Viterbi detector for TDMR
Tadayoshi Kondoh, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Inst. Tech.), Hiroaki Muraoka (Tohoku Univ.) MR2015-6
Two-dimensinal magnetic recording (TDMR) which combines shingled magnetic recording (SMR) with two-dimensional signal pr... [more] MR2015-6
pp.37-41
MRIS, ITE-MMS 2015-06-05
09:55
Miyagi Tohoku Univ. Performance evaluation of array head reading for head skew in TDMR
Ryota Suzuto, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Inst. Tech.), Hiroaki Muraoka (Tohoku Univ.) MR2015-7
In two-dimensional magnetic recording (TDMR) by shingled magnetic recording (SMR),
two-dimensional signal processing i... [more]
MR2015-7
pp.43-48
MRIS, ITE-MMS 2014-12-11
13:10
Ehime Ehime Univ. A study on two-dimensional equalization for array head reading in SMR
Naoki Fujimoto, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Inst. Tech.), Hiroaki Muraoka (Tohoku Univ.) MR2014-28
 [more] MR2014-28
pp.1-6
 Results 1 - 20 of 40  /  [Next]  
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