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| Presentation | 2013-12-13 13:30 A Low Power Variable Wordlength Control OFDM Receiver Based on Autonomy Learning Daichi Sasaki, Shingo Yoshizawa, Hiroshi Tanimoto (Kitami Inst. of Tech.)  SIS2013-52 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we propose a dynamic variable wordlength control method using subcarrier received SNRs for OFDM baseband receivers and report the results of power consumption evaluation in a FFT processor. The conventional method that performs wordlength selection based on the number of successful packet receptions tends to be slow in wordlength tracking operation and degrade communication performance in time-variable multipath fading environments. The proposed method performs wordlength selection using minimum value information of subcarrier SNRs and solves the problem of tracking operation. In the results of evaluating communication performance and power consumption, the proposed method provided the same communication performance as the use of fixed-wordlength and reduced power consumption by 32% and 22% for QPSK and 16QAM demodulations. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Variable Wordlength / Low Power / OFDM / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 343, SIS2013-52, pp. 137-142, Dec. 2013. | |
| Paper # | SIS2013-52 | |
| Date of Issue | 2013-12-05 (SIS) | |
| 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 | SIS2013-52 |
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| Conference Information | |
| Committee | SIS |
| Conference Date | 2013-12-12 - 2013-12-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Torigin Bunka Kaikan (Tottori) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | System on Silicon, Applications of RFID, etc. |
| Paper Information | |
| Registration To | SIS |
| Conference Code | 2013-12-SIS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Low Power Variable Wordlength Control OFDM Receiver Based on Autonomy Learning |
| Sub Title (in English) | |
| Keyword(1) | Variable Wordlength |
| Keyword(2) | Low Power |
| Keyword(3) | OFDM |
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| 1st Author's Name | Daichi Sasaki |
| 1st Author's Affiliation | Kitami Institute of Technology (Kitami Inst. of Tech.) |
| 2nd Author's Name | Shingo Yoshizawa |
| 2nd Author's Affiliation | Kitami Institute of Technology (Kitami Inst. of Tech.) |
| 3rd Author's Name | Hiroshi Tanimoto |
| 3rd Author's Affiliation | Kitami Institute of Technology (Kitami Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2013-12-13 13:30:00 |
| Presentation Time | 20 minutes |
| Registration for | SIS |
| Paper # | SIS2013-52 |
| Volume (vol) | vol.113 |
| Number (no) | no.343 |
| Page | pp.137-142 |
| #Pages | 6 |
| Date of Issue | 2013-12-05 (SIS) |
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