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| Presentation | 2022-03-03 09:55 A Study on Received Power Improvement in NLoS Region for 28-GHz Band Indoor Wireless System Using Metal Reflector Jun Shirasaka, Seiichi Sampei, Takumi Takahashi (Osaka Univ.)  RCS2021-271 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper proposes a method to establish a stable millimeter-wave wireless network using metal reflectors in indoor environments, especially in the factory, where machines and equipments are remotely operated using 6 GHz and 28 GHz wireless connections. In the proposed scheme, light detection and ranging (LiDAR) based equipment detection scheme is assumed to be utilized for the detection of the location of every terminal so that the wireless access system can understand where the non-line-of-sight (NLoS) terminals are located. In the proposed scheme, metal reflectors are introduced between a base station and terminals located in the NLoS area to change NLoS conditions to line-of-sight (LoS) conditions. In addition, the area shifting mechanism is introduced to control the reflection area to cover as many terminals in the NLoS area as possible to enhance the coverage area. Computer simulation based on the ray-tracing method confirms that the proposed scheme is very effective in the enhancement of area coverage. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | reflector / coverage / mmWave / 28 GHz band / smart factory / local 5G / LoS / NLoS | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 391, RCS2021-271, pp. 108-113, March 2022. | |
| Paper # | RCS2021-271 | |
| Date of Issue | 2022-02-23 (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 | RCS2021-271 |
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| Conference Information | |
| Committee | RCS SR SRW |
| Conference Date | 2022-03-02 - 2022-03-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2022-03-RCS-SR-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Received Power Improvement in NLoS Region for 28-GHz Band Indoor Wireless System Using Metal Reflector |
| Sub Title (in English) | |
| Keyword(1) | reflector |
| Keyword(2) | coverage |
| Keyword(3) | mmWave |
| Keyword(4) | 28 GHz band |
| Keyword(5) | smart factory |
| Keyword(6) | local 5G |
| Keyword(7) | LoS |
| Keyword(8) | NLoS |
| 1st Author's Name | Jun Shirasaka |
| 1st Author's Affiliation | Osaka University (Osaka Univ.) |
| 2nd Author's Name | Seiichi Sampei |
| 2nd Author's Affiliation | Osaka University (Osaka Univ.) |
| 3rd Author's Name | Takumi Takahashi |
| 3rd Author's Affiliation | Osaka University (Osaka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2022-03-03 09:55:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2021-271 |
| Volume (vol) | vol.121 |
| Number (no) | no.391 |
| Page | pp.108-113 |
| #Pages | 6 |
| Date of Issue | 2022-02-23 (RCS) |
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