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| Presentation | 2018-07-13 15:15 An Experimental Study on Communications and Interference Characteristics of 920MHz Radios in Factory Environments Ryota Bingo, Ryota Ikeuchi, Hiroyuki Yomo (Kansai Univ.)  RCC2018-57 NS2018-81 RCS2018-126 SR2018-57 ASN2018-51 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, the utilization of wireless communications in factory environments has been attracting significant attention. However, mutual interference can be caused by the coexistence of wireless communications devices following heterogeneous standards, and communications performance can get worse due to factory-specific propagation environments in factory environments. Therefore, in this paper, focusing on Wi-SUN and LoRa, which are the 920 MHz band radio communication standards, we experimentally verify the possibility of mutual interference because of simultaneous transmissions and spectral overlapping in a coexistence environment of Wi-SUN and LoRa. Specifically, we evaluate the packet delivery rate of Wi-SUN and LoRa with the employed channel of LoRa varied in environments where the spectrum of LoRa and Wi-SUN partially overlap. We also evaluate the performance of Wi-SUN and LoRa by experimental measurements in a factory environment where there are a number of industrial machines, metal products, and a huge moving crane. Specifically, we evaluate the packet delivery rate of Wi-SUN and LoRa with varied parameters, such as transmit power of Wi-SUN, distance between Wi-SUN transmitter and receiver, and distance between LoRa transmitter and receiver by allocating channels so that mutual interference between Wi-SUN and LoRa dose not occur. Finally, we discuss parameters that enable the efficient coexistence of Wi-SUN and LoRa, taking into account the impact of factory environments on their packet delivery rate. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Factory environments / 920MHz-band / Wi-SUN / LoRa / Mutual interference / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 123, RCC2018-57, pp. 149-154, July 2018. | |
| Paper # | RCC2018-57 | |
| Date of Issue | 2018-07-04 (RCC, NS, RCS, SR, ASN) | |
| 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 | RCC2018-57 NS2018-81 RCS2018-126 SR2018-57 ASN2018-51 |
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| Conference Information | |
| Committee | ASN NS RCS SR RCC |
| Conference Date | 2018-07-11 - 2018-07-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hakodate Arena |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Distributed Network, Machine Learning and AI for Wireless Communications and Networks, M2M (Machine-to-Machine), D2D (Device-to-Device), IoT（Internet of Things）, etc. |
| Paper Information | |
| Registration To | RCC |
| Conference Code | 2018-07-ASN-NS-RCS-SR-RCC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An Experimental Study on Communications and Interference Characteristics of 920MHz Radios in Factory Environments |
| Sub Title (in English) | |
| Keyword(1) | Factory environments |
| Keyword(2) | 920MHz-band |
| Keyword(3) | Wi-SUN |
| Keyword(4) | LoRa |
| Keyword(5) | Mutual interference |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Ryota Bingo |
| 1st Author's Affiliation | Kansai University (Kansai Univ.) |
| 2nd Author's Name | Ryota Ikeuchi |
| 2nd Author's Affiliation | Kansai University (Kansai Univ.) |
| 3rd Author's Name | Hiroyuki Yomo |
| 3rd Author's Affiliation | Kansai University (Kansai Univ.) |
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| Speaker | Author-1 |
| Date Time | 2018-07-13 15:15:00 |
| Presentation Time | 25 minutes |
| Registration for | RCC |
| Paper # | RCC2018-57, NS2018-81, RCS2018-126, SR2018-57, ASN2018-51 |
| Volume (vol) | vol.118 |
| Number (no) | no.123(RCC), no.124(NS), no.125(RCS), no.126(SR), no.127(ASN) |
| Page | pp.149-154(RCC), pp.223-228(NS), pp.231-236(RCS), pp.177-182(SR), pp.165-170(ASN) |
| #Pages | 6 |
| Date of Issue | 2018-07-04 (RCC, NS, RCS, SR, ASN) |
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