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| Presentation | 2017-05-11 09:20 Study on Enhanced Intersite Coordination using Beam Search for 5G Low-SHF-Band Massive MIMO Shohei Yoshioka, Satoshi Suyama, Tatsuki Okuyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO)  RCS2017-30 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The fifth-generation (5G) mobile communication system will utilize higher frequency bands with wider bandwidth for super high bit rate and large system capacity. In low-SHF-band, fully-digital Massive multiple-input multiple-output (MIMO) beamforming (BF) technology can be applied, and joint processing of digital fixed BF and channel state information (CSI)-based precoding (Digital FBCP) is proposed as one of the fully-digital methods. Additionally, it is assumed that multiple sites cover continuous areas early. Intersite coordination methods using Digital FBCP are proposed in order to transmit effectively multiple streams while decreasing intersite interference. For further improvement, in this paper, we study enhanced intersite coordination with beam search in Digital FBCP. Received power information applies interference-considered precoding method and determines applied area of the intersite coordination. Throughput performances of Digital FBCP with enhanced method are shown by link level simulation and this paper clarify that the enhanced method can improve throughput performance by utilizing received power information of beam search. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | 5G / Low-SHF-band / Massive MIMO / Digital Beamforming / Intersite Coordination / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 22, RCS2017-30, pp. 1-6, May 2017. | |
| Paper # | RCS2017-30 | |
| Date of Issue | 2017-05-04 (RCS) | |
| ISSN | Print edition: ISSN 0913-5685 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 | RCS2017-30 |
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| Conference Information | |
| Committee | RCS IN NV |
| Conference Date | 2017-05-11 - 2017-05-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2017-05-RCS-IN-NV |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on Enhanced Intersite Coordination using Beam Search for 5G Low-SHF-Band Massive MIMO |
| Sub Title (in English) | |
| Keyword(1) | 5G |
| Keyword(2) | Low-SHF-band |
| Keyword(3) | Massive MIMO |
| Keyword(4) | Digital Beamforming |
| Keyword(5) | Intersite Coordination |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shohei Yoshioka |
| 1st Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO) |
| 2nd Author's Name | Satoshi Suyama |
| 2nd Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO) |
| 3rd Author's Name | Tatsuki Okuyama |
| 3rd Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO) |
| 4th Author's Name | Jun Mashino |
| 4th Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO) |
| 5th Author's Name | Yukihiko Okumura |
| 5th Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO) |
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| Speaker | Author-1 |
| Date Time | 2017-05-11 09:20:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2017-30 |
| Volume (vol) | vol.117 |
| Number (no) | no.22 |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2017-05-04 (RCS) |
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