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| Presentation | 2009-12-02 11:00 A WiMAX Turbo Decoder with Tailbiting BIP Architecture Hiroaki Arai, Naoto Miyamoto, Koji Kotani (Tohoku Univ.), Hisanori Fujisawa (Fujitsu Laboratories Ltd.), Takashi Ito (Tohoku Univ.)  CPM2009-136 ICD2009-65 Link to ES Tech. Rep. Archives: CPM2009-136 ICD2009-65 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, a tailbiting block-interleaved pipelining (BIP) architecture is proposed for high-throughput and energy efficient WiMAX turbo decoders. Conventional sliding window (SW) BIP turbo decoders suffer from many warm-up calculations and large memory size when the number of pipeline stages is increased. Instead of the SW, we combined the tailbiting method with BIP. Consequently, more than 50% of the warm-up calculation was reduced, and necessary memory size became constant. We have implemented a tailbiting BIP WiMAX turbo decoder with four pipeline stages in the area of 2.4 mm^2 using a 0.18 \mu m CMOS technology. The chip achieves 45 Mbps/iter and 3.11 nJ/b/iter at 99 MHz operation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | WiMAX / turbo decoder / Block Interleaved Pipelining (BIP) / tailbiting / MAX-Log MAP / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 318, ICD2009-65, pp. 13-18, Dec. 2009. | |
| Paper # | ICD2009-65 | |
| Date of Issue | 2009-11-25 (CPM, ICD) | |
| 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 | CPM2009-136 ICD2009-65 Link to ES Tech. Rep. Archives: CPM2009-136 ICD2009-65 |
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| Conference Information | |
| Committee | VLD DC IPSJ-SLDM CPSY RECONF ICD CPM |
| Conference Date | 2009-12-02 - 2009-12-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kochi City Culture-Plaza |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Design Gaia 2009 ―New Field of VLSI Design― |
| Paper Information | |
| Registration To | ICD |
| Conference Code | 2009-12-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) | A WiMAX Turbo Decoder with Tailbiting BIP Architecture |
| Sub Title (in English) | |
| Keyword(1) | WiMAX |
| Keyword(2) | turbo decoder |
| Keyword(3) | Block Interleaved Pipelining (BIP) |
| Keyword(4) | tailbiting |
| Keyword(5) | MAX-Log MAP |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hiroaki Arai |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Naoto Miyamoto |
| 2nd Author's Affiliation | New Industry Creation Hatchery Center (NICHe), Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Koji Kotani |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 4th Author's Name | Hisanori Fujisawa |
| 4th Author's Affiliation | Fujitsu Laboratories Limited (Fujitsu Laboratories Ltd.) |
| 5th Author's Name | Takashi Ito |
| 5th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-12-02 11:00:00 |
| Presentation Time | 20 minutes |
| Registration for | ICD |
| Paper # | CPM2009-136, ICD2009-65 |
| Volume (vol) | vol.109 |
| Number (no) | no.317(CPM), no.318(ICD) |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2009-11-25 (CPM, ICD) |
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