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| Presentation | 2023-03-01 13:50 Interference Coordination in A Cellular Distributed MU-MIMO System -- Integrated Intra-cell/Inter-cell Interference Coordination -- Hidenori Matsuo, Ryo Takahashi, Fumiyuki Adachi (Tohoku Univ.)  RCS2022-257 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A cellular distributed multi-user MIMO (MU-MIMO) divides a wide communication service area into multiple base station cells based on the location information of distributed antennas, forms multiple user clusters in each cell based on the user location information, and performs cluster-wise distributed MU-MIMO in parallel in all clusters using the same radio resource. This system is expected to realize a practical ultra-dense RAN because it can spatially multiplex users with low computational complexity while ensuring the system scalability, but it requires a measure to reduce the intra-cell interference and the inter-cell interference. We have proposed a decentralized integrated interference coordination (IC) framework that reduces both the intra-cell interference and the inter-cell interference. The inter-cell IC employed in this framework is the channel segregation algorithm-based fractional frequency reuse (CS-FFR). In this paper, we propose an integrated IC for cell-edge users suffering strong inter-cell interference and cluster-edge users suffering strong inter-cluster interference within each cell, evaluate the performance of the proposed method by computer simulation, and optimize the IC parameters. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | user cluster / interference reduction / CS-FFR / cellular distributed MU-MIMO / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 399, RCS2022-257, pp. 60-65, March 2023. | |
| Paper # | RCS2022-257 | |
| 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 | RCS2022-257 |
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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) | Interference Coordination in A Cellular Distributed MU-MIMO System |
| Sub Title (in English) | Integrated Intra-cell/Inter-cell Interference Coordination |
| Keyword(1) | user cluster |
| Keyword(2) | interference reduction |
| Keyword(3) | CS-FFR |
| Keyword(4) | cellular distributed MU-MIMO |
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| 1st Author's Name | Hidenori Matsuo |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Ryo Takahashi |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Fumiyuki Adachi |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2023-03-01 13:50:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2022-257 |
| Volume (vol) | vol.122 |
| Number (no) | no.399 |
| Page | pp.60-65 |
| #Pages | 6 |
| Date of Issue | 2023-02-22 (RCS) |
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