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| Presentation | 2023-01-25 10:50 Downlink transmission performance for SU-MIMO in Local 5G System under the outdoor environment Hiroki Urasawa, Ryota Bairaku, Takamasa Nishijima, Hayato Soya, Kazuhiro Yamaguchi, Hideaki Matsue (SUS)  IT2022-53 SIP2022-104 RCS2022-232 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In an environment where a local 5G wireless base station was installed on the roof of the research building of our university, the transmission characteristics of synchronous TDD and downlink data channel 4×4MIMO transmission were evaluated compared with SISO transmission. As a result, the received power characteristics were well agreed with the simulated values based on the ray tracing method at 32 points in the area and the actual measured values with a maximum difference of about 10dB. Regarding the transmission throughput characteristics, at a cumulative value of 50% from the cumulative distribution of transmission throughput values, the difference between the simulated value of SISO transmission is about 115Mbps and the actual measured value is 105Mbps, which is about 10Mbps. On the other hand, the difference between MIMO transmission is about 40Mbps between 380Mbps in the simulated value and about 420Mbps in the actual measured value. In addition, the effect of improving the transmission throughput of MIMO was about 3.3 times in the simulated value and about 4.0 times in the actual measured value, demonstrating a sufficient transmission throughput improvement effect in MIMO transmission. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Local 5G / received power distribution / Throughput / delay spread distribution / ray tracing memthod / EVM / synchronization TDD / MIMO transmission | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 357, RCS2022-232, pp. 136-141, Jan. 2023. | |
| Paper # | RCS2022-232 | |
| Date of Issue | 2023-01-17 (IT, SIP, 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 | IT2022-53 SIP2022-104 RCS2022-232 |
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| Conference Information | |
| Committee | IT RCS SIP |
| Conference Date | 2023-01-24 - 2023-01-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Maebashi Terrsa |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2023-01-IT-RCS-SIP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Downlink transmission performance for SU-MIMO in Local 5G System under the outdoor environment |
| Sub Title (in English) | |
| Keyword(1) | Local 5G |
| Keyword(2) | received power distribution |
| Keyword(3) | Throughput |
| Keyword(4) | delay spread distribution |
| Keyword(5) | ray tracing memthod |
| Keyword(6) | EVM |
| Keyword(7) | synchronization TDD |
| Keyword(8) | MIMO transmission |
| 1st Author's Name | Hiroki Urasawa |
| 1st Author's Affiliation | Suwa University of Science (SUS) |
| 2nd Author's Name | Ryota Bairaku |
| 2nd Author's Affiliation | Suwa University of Science (SUS) |
| 3rd Author's Name | Takamasa Nishijima |
| 3rd Author's Affiliation | Suwa University of Science (SUS) |
| 4th Author's Name | Hayato Soya |
| 4th Author's Affiliation | Suwa University of Science (SUS) |
| 5th Author's Name | Kazuhiro Yamaguchi |
| 5th Author's Affiliation | Suwa University of Science (SUS) |
| 6th Author's Name | Hideaki Matsue |
| 6th Author's Affiliation | Suwa University of Science (SUS) |
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| Speaker | Author-1 |
| Date Time | 2023-01-25 10:50:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | IT2022-53, SIP2022-104, RCS2022-232 |
| Volume (vol) | vol.122 |
| Number (no) | no.355(IT), no.356(SIP), no.357(RCS) |
| Page | pp.136-141 |
| #Pages | 6 |
| Date of Issue | 2023-01-17 (IT, SIP, RCS) |
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