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| Presentation | 2019-07-18 15:20 [Invited Lecture] Propagation Characteristics in a L-shaped Corridor by Antenna Directivity at 28 GHz Band Mayumi Yoshino, Doppo Sugimura, Hiroki Hagiwara, Tomoaki Kudo, Toshiyuki Kobayashi (Dengyo)  AP2019-36 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | For the next generation mobile communication system, it is important to understand propagation characteristics at high frequency bands. In order to investigate the propagation characteristics by using antenna directivity at 28 GHz band, we measured the received power at a L-shaped corridor including LOS (Line Of Sight) and NLOS (Non LOS) regions in indoor environment. As the transmission antennas, we use an omni directional and a waveguide slot array antenna. From the measurement results, the received power fluctuation of the waveguide slot array antenna is smaller than the omni one in LOS region, but in NLOS region, the difference of the received power fluctuation of both antennas tends to be small. Moreover, from comparing the K factor of both antennas, although K factor of the waveguide slot array antenna in the LOS region becomes slightly larger the omni one, K factor of the waveguide slot array antenna in the NLOS region tends to be smaller than the omni one. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | 28 GHz band / L-shaped corridor / Antenna directivity / Received power / K factor / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 120, AP2019-36, pp. 79-82, July 2019. | |
| Paper # | AP2019-36 | |
| Date of Issue | 2019-07-10 (AP) | |
| 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 | AP2019-36 |
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| Conference Information | |
| Committee | AP SANE SAT |
| Conference Date | 2019-07-17 - 2019-07-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Subsurface Electromagnetic Measurements, Sattelite Communication, Radio propagation, Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2019-07-AP-SANE-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Propagation Characteristics in a L-shaped Corridor by Antenna Directivity at 28 GHz Band |
| Sub Title (in English) | |
| Keyword(1) | 28 GHz band |
| Keyword(2) | L-shaped corridor |
| Keyword(3) | Antenna directivity |
| Keyword(4) | Received power |
| Keyword(5) | K factor |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Mayumi Yoshino |
| 1st Author's Affiliation | Nihon Dengyo Kosaku Co., LTD. (Dengyo) |
| 2nd Author's Name | Doppo Sugimura |
| 2nd Author's Affiliation | Nihon Dengyo Kosaku Co., LTD. (Dengyo) |
| 3rd Author's Name | Hiroki Hagiwara |
| 3rd Author's Affiliation | Nihon Dengyo Kosaku Co., LTD. (Dengyo) |
| 4th Author's Name | Tomoaki Kudo |
| 4th Author's Affiliation | Nihon Dengyo Kosaku Co., LTD. (Dengyo) |
| 5th Author's Name | Toshiyuki Kobayashi |
| 5th Author's Affiliation | Nihon Dengyo Kosaku Co., LTD. (Dengyo) |
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| Speaker | 1 |
| Date Time | 2019-07-18 15:20:00 |
| Presentation Time | 25 |
| Registration for | AP |
| Paper # | IEICE-AP2019-36 |
| Volume (vol) | IEICE-119 |
| Number (no) | no.120 |
| Page | pp.79-82 |
| #Pages | IEICE-4 |
| Date of Issue | IEICE-AP-2019-07-10 |
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