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| Presentation | 2014-11-28 09:15 Energy evaluation of bit-write reduction method based on state encoding limiting maximum and minimum Hamming distances for non-volatile memories Tatsuro Kojo, Masashi Tawada, Masao Yanagisawa, Nozomu Togawa (Waseda Univ.)  VLD2014-105 DC2014-59 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Data stored in non-volatile memories may be destructed due to crosstalk and radiation but we can restore their data by using error-correcting codes. However, non-volatile memories consume a large amount of energy in writing. How to reduce writing bits even when using error-correcting codes is one of the challenges in non-volatile memory design. We have proposed a Doughnut code, which is a new bit-write-reducing and error-correcting code. In addition, we have proposed a it code expansion method. When we apply our code expansion method to Doughnut code, we can obtain expanded Doughnut codes. Expanded Doughnut codes are error-correcting codes which can reduce the number of writing bits. In this paper, we demonstrate experimental evaluations from the viewpoint of energy reduction of our proposed expanded Doughnut codes. Experimental results show that the write-reducing code reduces energy consumption by up to 32% compared to Hamming code. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | non-volatile memory / reduction the number of writing bits / error-correcting codes / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 328, VLD2014-105, pp. 221-226, Nov. 2014. | |
| Paper # | VLD2014-105 | |
| Date of Issue | 2014-11-19 (VLD, DC) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | VLD2014-105 DC2014-59 |
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| Conference Information | |
| Committee | VLD DC IPSJ-SLDM CPSY RECONF ICD CPM |
| Conference Date | 2014-11-26 - 2014-11-28 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | B-ConPlaza |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Design Gaia 2014 -New Field of VLSI Design- |
| Paper Information | |
| Registration To | VLD |
| Conference Code | 2014-11-VLD-DC-SLDM-CPSY-RECONF-ICD-CPM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Energy evaluation of bit-write reduction method based on state encoding limiting maximum and minimum Hamming distances for non-volatile memories |
| Sub Title (in English) | |
| Keyword(1) | non-volatile memory |
| Keyword(2) | reduction the number of writing bits |
| Keyword(3) | error-correcting codes |
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| 1st Author's Name | Tatsuro Kojo |
| 1st Author's Affiliation | Waseda University (Waseda Univ.) |
| 2nd Author's Name | Masashi Tawada |
| 2nd Author's Affiliation | Waseda University (Waseda Univ.) |
| 3rd Author's Name | Masao Yanagisawa |
| 3rd Author's Affiliation | Waseda University (Waseda Univ.) |
| 4th Author's Name | Nozomu Togawa |
| 4th Author's Affiliation | Waseda University (Waseda Univ.) |
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| Speaker | Author-1 |
| Date Time | 2014-11-28 09:15:00 |
| Presentation Time | 25 minutes |
| Registration for | VLD |
| Paper # | VLD2014-105, DC2014-59 |
| Volume (vol) | vol.114 |
| Number (no) | no.328(VLD), no.329(DC) |
| Page | pp.221-226 |
| #Pages | 6 |
| Date of Issue | 2014-11-19 (VLD, DC) |
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