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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 | 2019-06-14 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 | 2018-06-08 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 | 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 |
| MRIS, ITE-MMS | 2014-12-11 13:35 |
Ehime | Ehime Univ. | Performance evaluation of LDPC coding and iterative decoding system in SMR with head skew Ryota Suzuto, Yasuaki Nakamura, Yoshihiro Okamoto, Hisashi Osawa (Ehime Univ.), Yasushi Kanai (Niigata Inst. Tech.), Hiroaki Muraoka (Tohoku Univ.) MR2014-29 |
Two-dimensional magnetic recording (TDMR) by shingled magnetic recording (SMR) exploits two-dimensional signal processin... [more] | MR2014-29 pp.7-12 |
| MRIS, ITE-MMS | 2014-06-12 16:15 |
Miyagi | Tohoku Univ. | A study of read/write simulation for shingled magnetic recording Yoshihiro Okamoto, Yasuaki Nakamura, Hisashi Osawa (Ehime Univ.), Yasushi Kanai (Niigata Inst. of Tech.), Hiroaki Muraoka (Tohoku Univ.) MR2014-3 |
[more] | MR2014-3 pp.13-18 |
| MRIS, ITE-MMS | 2013-06-21 11:20 |
Miyagi | Tohoku Univ. | A Study on Suppression of Error Propagation in LDPC Coding and Iterative Decoding System Yasuaki Nakamura, Michita Yanagida, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Hiroaki Muraoka (Tohoku Univ.) MR2013-3 |
[more] | MR2013-3 pp.13-17 |
| MRIS, ITE-MMS | 2012-12-13 15:45 |
Ehime | Ehime Univ. | A study on NLTS and write precompensation in shingled magnetic recording Kazuki Takada, Yoshihiro Okamoto, Hirohumi Nobuhara, Yasuaki Nakamura, Hisashi Osawa (Ehime Univ.), Hiroaki Muraoka (Tohoku Univ.) MR2012-35 |
A measurement method of nonlinear transition shift (NLTS) and the write precompensation in the shingled magnetic recordi... [more] | MR2012-35 pp.19-24 |
| MRIS, ITE-MMS | 2012-06-14 13:30 |
Miyagi | Tohoku Univ. | A study on symbol-by-symbol turbo equalization for non-binary LDPC coding in BPM R/W channel Yasuaki Nakamura, Jun Ueda, Yoshihiro Okamoto, Hisashi Osawa (Ehime Univ.), Hajime Aoi, Hiroaki Muraoka (Tohoku Univ.) MR2012-1 |
[more] | MR2012-1 pp.1-8 |
| MRIS, ITE-MMS | 2011-12-15 13:45 |
Ehime | Ehime Univ. | Modeling of Writing Process for Two-Dimensional Magnetic Recording and Performance Evaluation of Two-Dimensional Equalizer Masato Yamashita, Yoshihiro Okamoto, Yasuaki Nakamura, Hisashi Osawa (Ehime Univ.), Kenji Miura, Simon Greaves, Hajime Aoi (Tohoku Univ.), Yasushi Kanai (NIIT), Hiroaki Muraoka (Tohoku Univ.) MR2011-26 |
[more] | MR2011-26 pp.7-14 |
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