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Paper Abstract and Keywords
Presentation 2016-03-02 14:30
An Efficient Implementation of LZW Decompression on the FPGA
Xin Zhou, Yasuaki Ito, Koji Nakano (Hiroshima Univ.) MW2015-181 ICD2015-104 Link to ES Tech. Rep. Archives: MW2015-181 ICD2015-104
Abstract (in Japanese) (See Japanese page) 
(in English) LZW algorithm is one of the most famous dictionary-based compression and decompression algorithms. The main contribution of this paper is to present a hardware LZW decompression algorithm and to implement it in an FPGA. The experimental results show that one proposed module on Virtex-7 family FPGA XC7VX485T-2 runs up to 2.16 times faster than sequential LZW decompression on a single CPU. Since the proposed module is compactly designed and uses a few resources of the FPGA, we have succeeded to implement 150 the same modules which works in parallel on the FPGA. In other words, our implementation runs up to 264 times faster than a sequential implementation on a single CPU.
Keyword (in Japanese) (See Japanese page) 
(in English) LZW decompression / FPGA / block RAMs / / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 477, ICD2015-104, pp. 43-48, March 2016.
Paper # ICD2015-104 
Date of Issue 2016-02-24 (MW, ICD) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee ICD MW  
Conference Date 2016-03-02 - 2016-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave Integrated Circuit / Microwave Technologies 
Paper Information
Registration To ICD 
Conference Code 2016-03-ICD-MW 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Efficient Implementation of LZW Decompression on the FPGA 
Sub Title (in English)  
Keyword(1) LZW decompression  
Keyword(2) FPGA  
Keyword(3) block RAMs  
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1st Author's Name Xin Zhou  
1st Author's Affiliation Hiroshima University (Hiroshima Univ.)
2nd Author's Name Yasuaki Ito  
2nd Author's Affiliation Hiroshima University (Hiroshima Univ.)
3rd Author's Name Koji Nakano  
3rd Author's Affiliation Hiroshima University (Hiroshima Univ.)
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Speaker Author-1 
Date Time 2016-03-02 14:30:00 
Presentation Time 25 minutes 
Registration for ICD 
Paper # MW2015-181, ICD2015-104 
Volume (vol) vol.115 
Number (no) no.476(MW), no.477(ICD) 
Page pp.43-48 
#Pages
Date of Issue 2016-02-24 (MW, ICD) 


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