| Presentation | 2021-05-21 Channel Allocation for LoRaWAN Considering Intra-System and Inter-System Interferences Shinichiro Kakuda, Yudai Yamazaki, Keita Katagiri, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In low power wide area network (LPWAN), intra-system and inter-system interferences have become a crucial issue due to a huge number of terminals and the use of the same frequency channels among LPWAN systems. Thus, we propose a channel allocation method for one of the LPWAN systems, long range wide area network, according to the radio environment to suppress these interferences. First, the LoRa gateway (GW) estimates an empirical cumulative distribution function (ECDF) of the time occupancy of other systems in each frequency channel. Based on the obtained ECDF, the GW allocates LoRa nodes to frequency channels in ascending order of the time occupancy of other systems. Then, the GW reallocates the LoRa nodes to frequency channels by search algorithm based on the formula of intra-system interference probability so that the probability on each channel becomes lower than the threshold while maintaining the inter-system interference suppression. The simulation results show that our proposed method can suppress the packet losses compared to the conventional random channel selection. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Spectrum Database / Spectrum Sharing / LPWAN / Resource Allocation |
| Paper # | SR2021-12 |
| Date of Issue | 2021-05-13 (SR) |
| Conference Information | |
| Committee | SR |
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| Conference Date | 2021/5/20(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Software Radio, Machine Learning for Wireless Communication, 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) | Channel Allocation for LoRaWAN Considering Intra-System and Inter-System Interferences |
| Sub Title (in English) | |
| Keyword(1) | Spectrum Database |
| Keyword(2) | Spectrum Sharing |
| Keyword(3) | LPWAN |
| Keyword(4) | Resource Allocation |
| 1st Author's Name | Shinichiro Kakuda |
| 1st Author's Affiliation | The University of Electro-Communications(UEC) |
| 2nd Author's Name | Yudai Yamazaki |
| 2nd Author's Affiliation | The University of Electro-Communications(UEC) |
| 3rd Author's Name | Keita Katagiri |
| 3rd Author's Affiliation | The University of Electro-Communications(UEC) |
| 4th Author's Name | Takeo Fujii |
| 4th Author's Affiliation | The University of Electro-Communications(UEC) |
| 5th Author's Name | Osamu Takyu |
| 5th Author's Affiliation | Shinshu University(Shinshu Univ.) |
| 6th Author's Name | Mai Ohta |
| 6th Author's Affiliation | Fukuoka University(Fukuoka Univ.) |
| 7th Author's Name | Koichi Adachi |
| 7th Author's Affiliation | The University of Electro-Communications(UEC) |
| Date | 2021-05-21 |
| Paper # | SR2021-12 |
| Volume (vol) | vol.121 |
| Number (no) | SR-30 |
| Page | pp.pp.79-85(SR), |
| #Pages | 7 |
| Date of Issue | 2021-05-13 (SR) |