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| Presentation | 2021-11-12 09:55 A study on the low latency channel for an advanced ISDB-T Shingo Asakura, Kotoko Furuya, Kohei Kambara, Masahiro Okano, Kyoichi Saito (NHK)  RCS2021-167 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We are currently developing an advanced Integrated Services Digital Broadcasting-Terrestrial (an advanced ISDB-T) system toward the next generation of digital terrestrial television broadcasting (DTTB). Like as the auxiliary channel (AC) of ISDB-T, subcarreirs for low-latency channel (LLch) are allocated randomly in each segment of the advanced ISDB-T. With adopting differenctial binary shift keying (DBPSK) to subrcarrier modulation scheme, LLch transmission is expected to be used for transmitting data that high robustness is needed. Furthermore, time interleaving is not applied to LLch. Also, LLch is able to be demodulated without the channel estiamtion by the pilot signal because of the DBPSK. With these schemes, LLch data is transmitted with low latency. In this paper, a study of earthquake early warning (EEW) transmission for the next generation of DTTB with using LLch is introduced. The low-density parity-check (LDPC) code is newly designed considering the LLch and EEW specification. The transmission performance of designed LDPC code is evaluated by the computer simulation. Furthermore, the possibility of LLch transmission is verified by the laboratory experiment with the prototype equipment. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Advanced ISDB-T / Low-Latency Channel / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 234, RCS2021-167, pp. 124-129, Nov. 2021. | |
| Paper # | RCS2021-167 | |
| Date of Issue | 2021-11-03 (RCS) | |
| 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 | RCS2021-167 |
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| Conference Information | |
| Committee | AP RCS |
| Conference Date | 2021-11-10 - 2021-11-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | NBC-Bekkan (Nagasaki) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2021-11-AP-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study on the low latency channel for an advanced ISDB-T |
| Sub Title (in English) | |
| Keyword(1) | Advanced ISDB-T |
| Keyword(2) | Low-Latency Channel |
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| 1st Author's Name | Shingo Asakura |
| 1st Author's Affiliation | Japan Broadcasting Corporation (NHK) |
| 2nd Author's Name | Kotoko Furuya |
| 2nd Author's Affiliation | Japan Broadcasting Corporation (NHK) |
| 3rd Author's Name | Kohei Kambara |
| 3rd Author's Affiliation | Japan Broadcasting Corporation (NHK) |
| 4th Author's Name | Masahiro Okano |
| 4th Author's Affiliation | Japan Broadcasting Corporation (NHK) |
| 5th Author's Name | Kyoichi Saito |
| 5th Author's Affiliation | Japan Broadcasting Corporation (NHK) |
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| Speaker | Author-1 |
| Date Time | 2021-11-12 09:55:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2021-167 |
| Volume (vol) | vol.121 |
| Number (no) | no.234 |
| Page | pp.124-129 |
| #Pages | 6 |
| Date of Issue | 2021-11-03 (RCS) |
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