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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MRIS, ITE-MMS | 2024-06-06 15:50 |
Miyagi | Tohoku Univ., RIEC (Primary: On-site, Secondary: Online) |
A study on recording condition evaluation for multilayer magnetic recording using HAMR Tomoya Watanabe, Yasuaki Nakamura, Madoka Nishikawa (Ehime Univ), Simon Greaves (Touhoku Univ), Yoshihiro Okamoto (Ehime Univ) |
[more] | |
| MRIS, ITE-MMS | 2023-12-07 13:30 |
Ehime | Ehime Univ. (CITE) (Primary: On-site, Secondary: Online) |
A Study on Estimating Bit Shape Using Medium Coercive and Effective Magnetic Write Field Kazuki Nakashima (Ehime Univ), Yasuaki Nakamura, Madoka nishikawa (Ehime Univ.), Yasushi Kanai (Niigata Inst. Tech.), Yoshihiro Okamoto (Ehime Univ.)  MRIS2023-22 |
In the microwave-assisted magnetic recording (MAMR) system, we proposed and evaluated methods to estimate the shape and ... [more] | MRIS2023-22 pp.1-6 |
| MRIS, ITE-MMS | 2023-12-07 14:20 |
Ehime | Ehime Univ. (CITE) (Primary: On-site, Secondary: Online) |
A study of HAMR R/W channels for multilayer magnetic recording Yasuaki Nakamura, Madoka Nishikawa (Ehime Univ.), Simon Greaves (Tohoku Univ.), Yasushi Kanai (Niigata Inst. Tech.), Yoshihiro Okamoto (Ehime Univ.) MRIS2023-24 |
[more] | MRIS2023-24 pp.12-17 |
| MRIS, ITE-MMS | 2023-12-08 09:30 |
Ehime | Ehime Univ. (CITE) (Primary: On-site, Secondary: Online) |
Performance evaluation of SP decoding considering the influence of recording pattern using neural network Madoka Nishikawa, Yasuaki Nakamura (Ehime Univ.), Yasushi Kanai (Niigata Ins. of Tec.), Yoshihiro Okamoto (Ehime Univ.) MRIS2023-27 |
We study an LDPC (low-density parity-check) encoding and iterative decoding method which combines LDPC codes and SP (sum... [more] | MRIS2023-27 pp.30-35 |
| MRIS, ITE-MMS | 2023-06-08 13:55 |
Miyagi | Tohoku Univ. （RIEC) (Primary: On-site, Secondary: Online) |
Effect of filler on magnetic tape drives using barium ferrite Yasuaki Nakamura, Madoka Nishikawa, Yoshihiro Okamoto (Ehime Univ.) MRIS2023-2 |
[more] | MRIS2023-2 pp.7-12 |
| MRIS, ITE-MMS | 2022-12-09 09:30 |
Ehime | Ehime Univ. + Online (Primary: On-site, Secondary: Online) |
A study on read/write channel model of multiple layer magnetic recording Yasuaki Nakamura, Madoka Nishikawa (Ehime Univ.), Yasushi Kanai (Niigata Institute of Tech.), Yoshihiro Okamoto (Ehime Univ.) MRIS2022-24 |
[more] | MRIS2022-24 pp.32-37 |
| MRIS, ITE-MMS | 2022-06-09 14:20 |
Miyagi | RIEC, Tohoku Univ. (Primary: On-site, Secondary: Online) |
A study of read/write channel using double layered granular medium model Kazuki Nakashima, Yasuaki Nakamura, Madoka Nishikawa (Ehime Univ.), Yasushi Kanai (Niigata Inst.), Yoshihiro Okamoto (Ehime Univ.) MRIS2022-3 |
[more] | MRIS2022-3 pp.13-18 |
| MRIS, ITE-MMS | 2021-12-10 13:00 |
Online | Online | A Study on Burst Error Correction in Magnetic Tape Drive by LDPC Code Taisei Akamatsu, Yasuaki Nakamura, Madoka Nishikawa, Yoshihiro Okamoto (Ehime Univ.) MRIS2021-11 |
[more] | MRIS2021-11 pp.1-6 |
| 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 |
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