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| Presentation | 2023-03-01 14:50 Transmission performance improvement of terminal-collaborated MIMO reception based on subband-based terminal selection Ryosuke Kanda, Hidekazu Murata (Yamaguchi Univ.), Satoshi Suyama, Takayuki Yamada (NTT DOCOMO, INC.)  RCS2022-259 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In terminal-collaborated MIMO (Multiple-Input Multiple-Output) reception, where reception is performed collaboratively with neighboring terminals, the terminal to be the collaboration partner needs to be selected appropriately. In frequency-selective fading channels, it is possible to improve transmission performance by selecting the appropriate terminals for each frequency subband. Therefore, a method based on the MIMO channel matrix was studied as a subband-based terminal selection scheme. On the other hand, it is also clear that the residual error coefficient in received signal processing is a good indicator of the accuracy of decoding. However, this method requires a large signal processing load to attempt decoding. In this paper, we propose a scheme for further improving the performance of subband-based terminal selection. In this paper, the number of decoding operations and error rate performance were revealed first. Then, we evaluated the relationship between the number of decoding operations and error rate performance, and the performance of the proposed method, which combines the conventional method and the residual error coefficient, by computer simulation. As a result, we confirmed that the transmission performance of the proposed method are superior to those of the conventional method. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MIMO / terminal-collaborated MIMO / frequency subband / terminal selection / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 399, RCS2022-259, pp. 72-76, March 2023. | |
| Paper # | RCS2022-259 | |
| Date of Issue | 2023-02-22 (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 | RCS2022-259 |
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| Conference Information | |
| Committee | RCS SR SRW |
| Conference Date | 2023-03-01 - 2023-03-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokyo Institute of Technology, and Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2023-03-RCS-SR-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Transmission performance improvement of terminal-collaborated MIMO reception based on subband-based terminal selection |
| Sub Title (in English) | |
| Keyword(1) | MIMO |
| Keyword(2) | terminal-collaborated MIMO |
| Keyword(3) | frequency subband |
| Keyword(4) | terminal selection |
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| 1st Author's Name | Ryosuke Kanda |
| 1st Author's Affiliation | Yamaguchi University Univ. (Yamaguchi Univ.) |
| 2nd Author's Name | Hidekazu Murata |
| 2nd Author's Affiliation | Yamaguchi University Univ. (Yamaguchi Univ.) |
| 3rd Author's Name | Satoshi Suyama |
| 3rd Author's Affiliation | 6G-IOWN Promotion Department, NTT DOCOMO, INC. (NTT DOCOMO, INC.) |
| 4th Author's Name | Takayuki Yamada |
| 4th Author's Affiliation | 6G-IOWN Promotion Department, NTT DOCOMO, INC. (NTT DOCOMO, INC.) |
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| Speaker | Author-1 |
| Date Time | 2023-03-01 14:50:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2022-259 |
| Volume (vol) | vol.122 |
| Number (no) | no.399 |
| Page | pp.72-76 |
| #Pages | 5 |
| Date of Issue | 2023-02-22 (RCS) |
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