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| Presentation | 2023-08-03 13:25 Polarization Analysis for Joint Source-Channel Coding with Side Information Yuki Nagai, Hideki Yagi (UEC)  IT2023-15 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The polar codes, introduced by Arıkan, use a technique called channel polarization and can achieve the capacity of a given memoryless channel with low computational and spatial complexity. Polar codes for source coding can also achieve the theoretical limit of performance with source polarization. Joint source and channel coding is expected to better performance than separate source and channel coding. Indeed, joint source-channel coding based on systematic polar codes can achieve the theoretical limit for the system in which the decoder can access side information of source messages if the positions of information bits are aligned in desired locations. The operation of allocating systematic bits to desired positions, called bit-swap, has been proposed. The decoding algorithm, however, becomes complex as the number of swapped bit pairs increases. In this paper, we analyze polarization after bit-swap operation to further elucidate codes' overall performance and simplify the decoding algorithm. To this end, we make clear how bit-swap operation affects polarization of the other bits. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | polar codes / systematic polar codes / joint source-channel coding / polarization / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 123, no. 149, IT2023-15, pp. 7-12, Aug. 2023. | |
| Paper # | IT2023-15 | |
| Date of Issue | 2023-07-27 (IT) | |
| ISSN | 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 | IT2023-15 |
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| Conference Information | |
| Committee | IT |
| Conference Date | 2023-08-03 - 2023-08-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Shonan Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Freshman session, General |
| Paper Information | |
| Registration To | IT |
| Conference Code | 2023-08-IT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Polarization Analysis for Joint Source-Channel Coding with Side Information |
| Sub Title (in English) | |
| Keyword(1) | polar codes |
| Keyword(2) | systematic polar codes |
| Keyword(3) | joint source-channel coding |
| Keyword(4) | polarization |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuki Nagai |
| 1st Author's Affiliation | The University of Electro-Communications (UEC) |
| 2nd Author's Name | Hideki Yagi |
| 2nd Author's Affiliation | The University of Electro-Communications (UEC) |
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| Speaker | Author-1 |
| Date Time | 2023-08-03 13:25:00 |
| Presentation Time | 25 minutes |
| Registration for | IT |
| Paper # | IT2023-15 |
| Volume (vol) | vol.123 |
| Number (no) | no.149 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2023-07-27 (IT) |
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