| Presentation | 2020-11-20 Examination of system configuration considering propagation characteristic difference due to LoRa output power difference Shuto Ishikawa, Hikaru Yabe, Ryotaro Sakauchi, Mikiko Sode Tanaka, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | The bus location system is designed to alleviate the anxiety of local residents about the arrival of community buses, and the bus is equipped with GPS receivers to inform users of their current location． In Nonoichi City, Ishikawa Prefecture, we have been working on the construction of a bus location system using LoRa for the community buses． Nonoichi is located in the center of Ishikawa Prefecture, and has a completely flat land with no mountains or sea． The size of the city is 4．5 km east and west and 6．7 km north and south, which can be covered by LPWA． So far, we have been working on building a system with 20mW output using a specified low power radio station in FY2019． ARIB was revised to make a 250mW specified low power radio station which not required to be licensed． Therefore, we performed the registration and conducted a characterization study． In addition, we studied a bus location system using 250mW LoRa． In this paper, we report the results of the differential investigation of the propagation characteristics of LoRa in the community bus route in Nonoichi． It also discusses how the characteristic difference affect the system configuration． |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Wireless communication / LPWA / GPS / bus location |
| Paper # | SR2020-42 |
| Date of Issue | 2020-11-11 (SR) |
| Conference Information | |
| Committee | SR |
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| Conference Date | 2020/11/18(3days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Software Radio, Cognitive Radio, Spectrum Sharing, etc. |
| Chair | Masayuki Ariyoshi(NEC) |
| Vice Chair | Suguru Kameda(Tohoku Univ.) / Osamu Takyu(Shinshu Univ.) / Kentaro Ishidu(NICT) |
| Secretary | Suguru Kameda(ATR) / Osamu Takyu(Univ. of Electro-Comm.) / Kentaro Ishidu(Mie Univ.) |
| Assistant | Mai Ohta(Fukuoka Univ.) / Teppei Oyama(Fujitsu Lab.) / Kentaro Kobayashi(Nagoya Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Smart Radio |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Examination of system configuration considering propagation characteristic difference due to LoRa output power difference |
| Sub Title (in English) | On the Nonoichi community bus route |
| Keyword(1) | Wireless communication |
| Keyword(2) | LPWA |
| Keyword(3) | GPS |
| Keyword(4) | bus location |
| 1st Author's Name | Shuto Ishikawa |
| 1st Author's Affiliation | Kanazawa Insititute of Technology(KIT) |
| 2nd Author's Name | Hikaru Yabe |
| 2nd Author's Affiliation | Kanazawa Insititute of Technology(KIT) |
| 3rd Author's Name | Ryotaro Sakauchi |
| 3rd Author's Affiliation | Kanazawa Insititute of Technology(KIT) |
| 4th Author's Name | Mikiko Sode Tanaka |
| 4th Author's Affiliation | international college of Technology(ICT) |
| Date | 2020-11-20 |
| Paper # | SR2020-42 |
| Volume (vol) | vol.120 |
| Number (no) | SR-238 |
| Page | pp.pp.128-134(SR), |
| #Pages | 7 |
| Date of Issue | 2020-11-11 (SR) |