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| Presentation | 2016-06-23 14:25 Indoor Experiment on 5G Radio Access Using Beam Tracking at 15 GHz Band Kiichi Tateishi, Daisuke Kurita, Atsushi Harada, Yoshihisa Kishiyama (NTT DOCOMO)  RCS2016-69 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In order to rapidly increasing traffic, 5G radio access network in mobile communications introduces higher frequency bands to expand channel capacity, and aims to achieve super high bit rate transmission realizing several tens Gbps by using massive MIMO. The beam tracking technique to support user mobility with narrow beam which compensates remarkable pathloss at higher frequency band is necessary. In our previous work, we evaluated the performance of beam tracking simulated as pseudo dynamic environment by turning base station using 5G testbed in an anechoic chamber. However, it is not evaluated in realistic environment that is considered practical usage cases of mobile broadband communications. Therefore, in this report, we evaluate the performance of beam tracking using 5G testbed at 15 GHz band in indoor environment. Specifically, we clarify throughput performance of downlink MIMO space multiplexing transmission with 730.5 MHz bandwidth using carrier aggregation in indoor environment using beam selection criteria based on the received power of each beam at user equipment. Experimental results in an indoor multi-path rich environment show that the peak throughput is 14.5 Gbps in a LOS environment with high mobility-reference signal received power and low antenna correlation. The results also show that the throughput of 12.5 Gbps is achieved at the cell edge 50-m away from the base station. As a result, in this experiment, over -40 dBm of received power is needed to achieve 10 Gbps. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | 5G / higher frequency bands / TDD / single-user MIMO / Massive MIMO / beam tracking / experiments / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 110, RCS2016-69, pp. 135-140, June 2016. | |
| Paper # | RCS2016-69 | |
| Date of Issue | 2016-06-15 (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 | RCS2016-69 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2016-06-22 - 2016-06-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Univ. of the Ryukyus |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2016-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Indoor Experiment on 5G Radio Access Using Beam Tracking at 15 GHz Band |
| Sub Title (in English) | |
| Keyword(1) | 5G |
| Keyword(2) | higher frequency bands |
| Keyword(3) | TDD |
| Keyword(4) | single-user MIMO |
| Keyword(5) | Massive MIMO |
| Keyword(6) | beam tracking |
| Keyword(7) | experiments |
| Keyword(8) | |
| 1st Author's Name | Kiichi Tateishi |
| 1st Author's Affiliation | NTT DOCOMO, Inc. (NTT DOCOMO) |
| 2nd Author's Name | Daisuke Kurita |
| 2nd Author's Affiliation | NTT DOCOMO, Inc. (NTT DOCOMO) |
| 3rd Author's Name | Atsushi Harada |
| 3rd Author's Affiliation | NTT DOCOMO, Inc. (NTT DOCOMO) |
| 4th Author's Name | Yoshihisa Kishiyama |
| 4th Author's Affiliation | NTT DOCOMO, Inc. (NTT DOCOMO) |
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| Speaker | Author-1 |
| Date Time | 2016-06-23 14:25:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2016-69 |
| Volume (vol) | vol.116 |
| Number (no) | no.110 |
| Page | pp.135-140 |
| #Pages | 6 |
| Date of Issue | 2016-06-15 (RCS) |
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