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| Presentation | 2017-12-18 14:05 [Invited Talk] Radio Propagation Research for the Next Generation Wireless Communication System Kentaro Saito, Jun-ichi Takada (TiTech), Minseok Kim (Niigata University)  SRW2017-64 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Nowadays, the wireless communication system has been the essential community infrastructure for our life. Recently, the higher frequency bands are expected to be utilized in fifth generation cellular (5G) system to improve the network capacity drastically. However, further investigations are still necessary to justify the feasibility of those bands for the mobile communication. In this paper, we introduce the diffuse scattering characteristics in 11 GHz band in indoor environments. We clarified that the diffuse scattering waves widely spread in the propagation delay and azimuth angle domain, and they influenced on the MIMO channel characteristics, especially in shadow regions and cross polarization regions. Meanwhile, the radio propagation research of lower frequency band is focused again owing to the recent spread of the Internet of Things (IoT) system. In this paper, we developed the radio measurement system by using Unmanned Aerial Vehicle (UAV) to realize measurements in the high-rise environment and conducted the Outdoor-to-Indoor propagation loss measurement in 4.9 GHz band. We clarified that the building entry loss lessened in the specific part of the non-Line-of-Sight region where reflection waves from the of the interior walls existed. The results are expected to be utilized for system design and service cell planning in the future wireless system. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Radio Propagation Measurement / High Frequency band MIMO channel / Channel Sounding / Diffuse Scattering / Outdoor-to-Indoor Propagation Loss / Unmanned Aerial Vehicle / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 363, SRW2017-64, pp. 25-30, Dec. 2017. | |
| Paper # | SRW2017-64 | |
| Date of Issue | 2017-12-11 (SRW) | |
| 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 | SRW2017-64 |
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| Conference Information | |
| Committee | SRW |
| Conference Date | 2017-12-18 - 2017-12-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Waseda Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | WLAN, WPAN, Sensor networ, mmWave, etc. |
| Paper Information | |
| Registration To | SRW |
| Conference Code | 2017-12-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Radio Propagation Research for the Next Generation Wireless Communication System |
| Sub Title (in English) | |
| Keyword(1) | Radio Propagation Measurement |
| Keyword(2) | High Frequency band MIMO channel |
| Keyword(3) | Channel Sounding |
| Keyword(4) | Diffuse Scattering |
| Keyword(5) | Outdoor-to-Indoor Propagation Loss |
| Keyword(6) | Unmanned Aerial Vehicle |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kentaro Saito |
| 1st Author's Affiliation | Tokyo Institute of Technology (TiTech) |
| 2nd Author's Name | Jun-ichi Takada |
| 2nd Author's Affiliation | Tokyo Institute of Technology (TiTech) |
| 3rd Author's Name | Minseok Kim |
| 3rd Author's Affiliation | Niigata University (Niigata University) |
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| Speaker | Author-1 |
| Date Time | 2017-12-18 14:05:00 |
| Presentation Time | 50 minutes |
| Registration for | SRW |
| Paper # | SRW2017-64 |
| Volume (vol) | vol.117 |
| Number (no) | no.363 |
| Page | pp.25-30 |
| #Pages | 6 |
| Date of Issue | 2017-12-11 (SRW) |
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