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| Presentation | 2022-12-15 10:10 Downlink transmission performance for Local 5G System under the outdoor environment Ryota Bairaku, Hiroki Urasawa, Takamasa Nishijima, Hayato Soya, Kazuhiro Yamaguchi, Hideaki Matsue (SUS)  RCS2022-186 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We evaluated the transmission characteristics of the downlink data channel during SISO transmission and synchronous TDD in an environment where a local 5G wireless base station is installed on the roof of the research building of our university. As a result, we observed the received power characteristics from a maximum of -80dBm to a limit value of -117dBm in the actual measurement within the service area. We confirmed that the accuracy was within ±5 dB. As for the transmission throughput characteristics, in the range of -110dBm or less received power, 40-80Mbps was obtained, asymptotically close to the theoretical value, except for some transmission throughput in NLOS state. On the other hand, when the received power is in the range of -110 to -100 dBm, the transmission throughput gradually deviates from the theoretical value and decreases to about 80 to 110 Mbps. As a result of examining the cause of the decrease and saturation at 110 to 130 Mbps, it was found that the simulation results and the actual measurement results of the transmission throughput with an EVM value of 20% in the receiver are in good agreement due to the large influence of multipath fading in the propagation path. made it clear that. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Local 5G / received power distribution / Throughput / ray tracing method / EVM / synchronization TDD / SISO transmission / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 311, RCS2022-186, pp. 7-12, Dec. 2022. | |
| Paper # | RCS2022-186 | |
| Date of Issue | 2022-12-08 (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 | RCS2022-186 |
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| Conference Information | |
| Committee | RCS NS |
| Conference Date | 2022-12-15 - 2022-12-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagoya Institute of Technology, and Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Multi-hop/Relay/Cooperation, Disaster-resistant wireless network, Sensor/Mesh network, Ad-hoc network, D2D/M2M, Wireless network coding, Handover/AP switching/Connected cell control/Load balancing among base stations/Mobile network dynamic reconfiguration, QoS/QoE assurance, Wireless VoIP, IoT, Edge computing, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2022-12-RCS-NS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Downlink transmission performance for 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) | ray tracing method |
| Keyword(5) | EVM |
| Keyword(6) | synchronization TDD |
| Keyword(7) | SISO transmission |
| Keyword(8) | |
| 1st Author's Name | Ryota Bairaku |
| 1st Author's Affiliation | Suwa University of Science (SUS) |
| 2nd Author's Name | Hiroki Urasawa |
| 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) |
| Speaker | Author-1 |
| Date Time | 2022-12-15 10:10:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2022-186 |
| Volume (vol) | vol.122 |
| Number (no) | no.311 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2022-12-08 (RCS) |
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