| Presentation | 2020-07-08 Dynamic Transmission Scheduling Using Shift-Phase Manipulation in LoRa Networks Riki Bando, Akihiro Nakao, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Low Power Wide Area (LPWA) is attracting attention as a wireless communication technology to realize low power consumption and wide-area IoT networks. Wireless sensors often perform environmental sensing periodically, but LoRa, one type of LPWA, uses ALOHA for the MAC layer protocol, which causes an increase in packet collisions due to overlapping of intermittent communication as the number of sensors increases. In this study, we propose a scheduling method that dynamically smoothes the traffic by shifting transmission timing of each sensor with phase-shift manipulation. Furthermore, we use a network simulator NS-3 to evaluate the effectiveness of the proposed method in terms of improving packet delivery ratio. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | IoT / LPWA / LoRa / Periodic traffic / ALOHA / Phase-shift scheduling |
| Paper # | NS2020-32 |
| Date of Issue | 2020-07-01 (NS) |
| Conference Information | |
| Committee | SR / NS / SeMI / RCC / RCS |
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| Conference Date | 2020/7/8(3days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Communication and Network Technology of the AI Age, M2M (Machine-to-Machine)，D2D (Device-to-Device)，IoT（Internet of Things）, etc |
| Chair | Masayuki Ariyoshi(NEC) / Akihiro Nakao(Univ. of Tokyo) / Susumu Ishihara(Shizuoka Univ.) / HUAN-BANG LI(NICT) / Eiji Okamoto(Nagoya Inst. of Tech.) |
| Vice Chair | Suguru Kameda(Tohoku Univ.) / Osamu Takyu(Shinshu Univ.) / Kentaro Ishidu(NICT) / Tetsuya Oishi(NTT) / Kazuya Monden(Hitachi) / Koji Yamamoto(Kyoto Univ.) / Shunichi Azuma(Nagoya Univ.) / Koji Ishii(Kagawa Univ.) / Fumiaki Maehara(Waseda Univ.) / Toshihiko Nishimura(Hokkaido Univ.) / Tomoya Tandai(Toshiba) |
| Secretary | Suguru Kameda(ATR) / Osamu Takyu(Univ. of Electro-Comm.) / Kentaro Ishidu(Mie Univ.) / Tetsuya Oishi(NTT) / Kazuya Monden(Chuo Univ.) / Koji Yamamoto(Kyoto Univ.) / Shunichi Azuma(Osaka Univ.) / Koji Ishii(Hitachi) / Fumiaki Maehara(Waseda Univ.) / Toshihiko Nishimura(CRIEPI) / Tomoya Tandai(Osaka Univ.) |
| Assistant | Mai Ohta(Fukuoka Univ.) / Teppei Oyama(Fujitsu Lab.) / Kentaro Kobayashi(Nagoya Univ.) / Shinya Kawano(NTT) / Yuki Katsumata(NTT DOCOMO) / Yu Nakayama(Tokyo Univ. of Agri. and Tech.) / Akira Uchiyama(Osaka Univ.) / SHAN LIN(NICT) / Masaki Ogura(Osaka Univ.) / Koichi Adachi(Univ. of Electro-Comm.) / Osamu Nakamura(Sharp) / Manabu Sakai(Mitsubishi Electric) / Masashi Iwabuchi(NTT) / Tatsuki Okuyama(NTT DOCOMO) |
| Paper Information | |
| Registration To | Technical Committee on Smart Radio / Technical Committee on Network Systems / Technical Committee on Sensor Network and Mobile Intelligence / Technical Committee on Reliable Communication and Control / Technical Committee on Radio Communication Systems |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Dynamic Transmission Scheduling Using Shift-Phase Manipulation in LoRa Networks |
| Sub Title (in English) | |
| Keyword(1) | IoT |
| Keyword(2) | LPWA |
| Keyword(3) | LoRa |
| Keyword(4) | Periodic traffic |
| Keyword(5) | ALOHA |
| Keyword(6) | Phase-shift scheduling |
| 1st Author's Name | Riki Bando |
| 1st Author's Affiliation | The University of Tokyo(UTokyo) |
| 2nd Author's Name | Akihiro Nakao |
| 2nd Author's Affiliation | The University of Tokyo(UTokyo) |
| Date | 2020-07-08 |
| Paper # | NS2020-32 |
| Volume (vol) | vol.120 |
| Number (no) | NS-88 |
| Page | pp.pp.7-12(NS), |
| #Pages | 6 |
| Date of Issue | 2020-07-01 (NS) |