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| Presentation | 2018-03-13 15:30 On Reduction of Calculation Complexity of Polar Codes over Fading Channels Masaaki Ito, Fumio Takahata (Waseda Univ.)  CAS2017-158 CS2017-112 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Algorithms for improving performances of polar codes over fading channels have been proposed, but it seems to be a problem to increase the calculation complexity by applying an algorithm to all code blocks. In this paper, we propose a method to judge the application of the algorithm for each code block and evaluate bit error rate performances. Specifically, the average value of the amplitudes (absolute values) of the propagation path values for each code block is compared with the threshold value, and the algorithm is applied only to the code blocks whose average value is below the threshold value to reduce the calculation complexity. Although it depends on the value of the Doppler frequency, as a result of the computer simulations over the frequency nonselective Rayleigh fading channels, we make it quantitatively clear that even if the performance improvement algorithm is applied limitedly, the performances are equivalent to those applied to all code blocks. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | polar codes / fading channels / bit error rate (BER) / calculation complexity reduction / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 504, CS2017-112, pp. 139-144, March 2018. | |
| Paper # | CS2017-112 | |
| Date of Issue | 2018-03-05 (CAS, CS) | |
| 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 | CAS2017-158 CS2017-112 |
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| Conference Information | |
| Committee | CS CAS |
| Conference Date | 2018-03-12 - 2018-03-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nishijin Plaza, Kyushu University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Network processor, Signal processing and circuits for communications, Wireless LAN / PAN, etc. |
| Paper Information | |
| Registration To | CS |
| Conference Code | 2018-03-CS-CAS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | On Reduction of Calculation Complexity of Polar Codes over Fading Channels |
| Sub Title (in English) | |
| Keyword(1) | polar codes |
| Keyword(2) | fading channels |
| Keyword(3) | bit error rate (BER) |
| Keyword(4) | calculation complexity reduction |
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| Keyword(8) | |
| 1st Author's Name | Masaaki Ito |
| 1st Author's Affiliation | Waseda University (Waseda Univ.) |
| 2nd Author's Name | Fumio Takahata |
| 2nd Author's Affiliation | Waseda University (Waseda Univ.) |
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| Speaker | Author-1 |
| Date Time | 2018-03-13 15:30:00 |
| Presentation Time | 25 minutes |
| Registration for | CS |
| Paper # | CAS2017-158, CS2017-112 |
| Volume (vol) | vol.117 |
| Number (no) | no.503(CAS), no.504(CS) |
| Page | pp.139-144 |
| #Pages | 6 |
| Date of Issue | 2018-03-05 (CAS, CS) |
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