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| Presentation | 2023-01-24 15:55 Impact of Channel Estimation Error on Antenna Selection Using Simulated Annealing for Distributed MIMO Systems Kento Nishimura, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Junichiro Hagiwara, Takeo Ohgane (Hokkaido Univ)  IT2022-43 SIP2022-94 RCS2022-222 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Distributed MIMO systems, which have been considered in recent years, use a very large number of base station antennas, resulting in a significant increase in interference signal power. To overcome this problem, a technique called antenna selection has been proposed. It selects antennas with poor communication characteristics from a base station, and suspends them to suppress interfering power while efficiently utilizing transmit power. In this paper, in order to investigate the effectiveness of antenna selection, we performed pre-coding using pseudo-annealing antenna selection in an indoor environment, where the constant movement of the user causes errors in the estimated channel matrix. The throughput characteristics were also compared with those of the existing method MMSE pre-coding in a similar environment. The results showed that the throughput characteristics were significantly degraded when the MMSE method was used, and only slightly degraded when the antenna selection was used. The throughput characteristics of the antenna selection were almost equal to those of the MMSE method. Therefore, if the channel matrix is variable, the antenna selection is expected to provide sufficient communication characteristics. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Distributed Antenna Systems / Massive MIMO / Antenna selection / Simulated Annealing / Channel Estimated Error / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 357, RCS2022-222, pp. 78-83, Jan. 2023. | |
| Paper # | RCS2022-222 | |
| 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 | IT2022-43 SIP2022-94 RCS2022-222 |
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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) | Impact of Channel Estimation Error on Antenna Selection Using Simulated Annealing for Distributed MIMO Systems |
| Sub Title (in English) | |
| Keyword(1) | Distributed Antenna Systems |
| Keyword(2) | Massive MIMO |
| Keyword(3) | Antenna selection |
| Keyword(4) | Simulated Annealing |
| Keyword(5) | Channel Estimated Error |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kento Nishimura |
| 1st Author's Affiliation | Hokkaido University (Hokkaido Univ) |
| 2nd Author's Name | Toshihiko Nishimura |
| 2nd Author's Affiliation | Hokkaido University (Hokkaido Univ) |
| 3rd Author's Name | Takanori Sato |
| 3rd Author's Affiliation | Hokkaido University (Hokkaido Univ) |
| 4th Author's Name | Yasutaka Ogawa |
| 4th Author's Affiliation | Hokkaido University (Hokkaido Univ) |
| 5th Author's Name | Junichiro Hagiwara |
| 5th Author's Affiliation | Hokkaido University (Hokkaido Univ) |
| 6th Author's Name | Takeo Ohgane |
| 6th Author's Affiliation | Hokkaido University (Hokkaido Univ) |
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| Speaker | Author-1 |
| Date Time | 2023-01-24 15:55:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | IT2022-43, SIP2022-94, RCS2022-222 |
| Volume (vol) | vol.122 |
| Number (no) | no.355(IT), no.356(SIP), no.357(RCS) |
| Page | pp.78-83 |
| #Pages | 6 |
| Date of Issue | 2023-01-17 (IT, SIP, RCS) |
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