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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-13 09:25 |
Osaka | Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
Dynamic Transmission Parameter Setting based on Beacon Reception Characteristics for 920MHz Private LoRa Rikuto Tanaka, Daiki Nobayashi, Kazuya Tsukamoto, Takeshi Ikenaga (KIT), Goshi Sato, Kenichi Takizawa (NICT)  NS2023-41 |
LPWA (Low Power Wide Area) is expected to be a communication technology suitable for IoT due to its characteristics of l... [more] | NS2023-41 pp.45-50 |
| IA, ICSS | 2023-06-20 13:30 |
Saga | Saga Univ. (Primary: On-site, Secondary: Online) |
Development and evaluation of a micro-plastic collection network system utilizing underwater drones Shosei Mimoto, Hirosi Yamamoto (Ritsumeikan Univ) IA2023-1 ICSS2023-1 |
In recent years, there has been growing concern about the impact of microplastics on the marine ecosystem. Microplastics... [more] | IA2023-1 ICSS2023-1 pp.1-6 |
| IA, ICSS | 2023-06-20 14:55 |
Saga | Saga Univ. (Primary: On-site, Secondary: Online) |
Development and evaluation of an underwater environmental condition observation network system utilizing underwater drones Kenshin Iwaki, Hiroshi Yamamoto (Ritsumeikan) IA2023-4 ICSS2023-4 |
In recent years, the underwater environment of Lake Biwa has been experiencing prolonged hypoxic conditions during the s... [more] | IA2023-4 ICSS2023-4 pp.19-24 |
| RCS | 2023-06-14 10:50 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Packet Collision Avoidance Using Clustering in LoRAWAN ClassB Takahiro Saraya, Aoto Kaburaki, Koichi Adachi (UEC) RCS2023-35 |
Low-power wide-area networks (LPWANs), which enable long-distance communications with low power consumption, are attract... [more] | RCS2023-35 pp.43-48 |
| SR | 2023-05-11 13:25 |
Hokkaido | Center of lifelong learning Kiran (Higashi Muroran) (Primary: On-site, Secondary: Online) |
LPWA concentrator using multi-antenna beamforming Keigo Saito, Takeo Fujii, Koji Ishibashi (UEC), Yu Shibata, Soma Toki, Hideki Endo (Tokyo Gas) SR2023-6 |
In recent years, information aggregation by wireless sensor network (WSN) has been attracted attention. WSN consists of ... [more] | SR2023-6 pp.33-40 |
| ICM | 2023-03-17 13:35 |
Okinawa | Okinawa Prefectural Museum and Art Museum (Primary: On-site, Secondary: Online) |
Analyzing Impact of People's Existence on RSSI in Large Indoor Environment Eri Hosonuma (Univ. of Tokyo), Taku Yamazaki, Takumi Miyoshi (Shibaura Inst. of Tech.), Akihito Taya, Yuuki Nishiyama, Kaoru Sezaki (Univ. of Tokyo) ICM2022-57 |
Various estimation methods of crowd density have been studied for safe and comfortable cities. In particular, for instal... [more] | ICM2022-57 pp.84-88 |
| IA, SITE, IPSJ-IOT [detail] | 2023-03-17 15:25 |
Gunma | Maebashi Institute of Technology (Primary: On-site, Secondary: Online) |
Improvement of TCP Performance based on Characteristics of Private LoRa Interface Jumpei Sakamoto, Daiki Nobayashi, Kazuya Tsukamoto, Takeshi Ikenaga (Kyutech), Goshi Sato, Kenichi Takizawa (NICT) SITE2022-68 IA2022-91 |
Low Power Wide Area (LPWA) is a major communication technology for the Internet of Things (IoT) because of its low power... [more] | SITE2022-68 IA2022-91 pp.93-97 |
| RCC, ISEC, IT, WBS | 2023-03-14 14:55 |
Yamaguchi | (Primary: On-site, Secondary: Online) |
Kaito Ootsu, Shan Lu, Hiroshi Kamabe (Gifu Univ) IT2022-104 ISEC2022-83 WBS2022-101 RCC2022-101 |
The LoRaWAN (Long Range Wide Area Network) is a type of LPWAN communication protocol that is gaining attention due to it... [more] | IT2022-104 ISEC2022-83 WBS2022-101 RCC2022-101 pp.230-235 |
| IN, NS (Joint) |
2023-03-02 16:20 |
Okinawa | Okinawa Convention Centre + Online (Primary: On-site, Secondary: Online) |
Design and evaluation of a mobile agent framework for small-scale IoT devices over LPWA Kazuya Sakamoto (Tohoku Univ.), Gen Kitagata (Morioka Univ.), Go Hasegawa (Tohoku Univ.) IN2022-96 |
In networks using LPWA and small IoT devices, it is important to suppress traffic because of the slow communication spee... [more] | IN2022-96 pp.181-186 |
| IN, NS (Joint) |
2023-03-03 15:40 |
Okinawa | Okinawa Convention Centre + Online (Primary: On-site, Secondary: Online) |
Proposal and Empirical Evaluation of Relay Communication Methods for LPWA Real-time Sensing Kazuya Hirotsu, Katsunori Mizuno, Shigeru Tabeta (UTokyo), Tetsuo Shimada, Yasufumi Fujimoto (Izunuma Foundation), Akihiro Nakao (UTokyo) NS2022-251 |
Real-time sensing of the natural environment often requires power-saving and long-distance communication, and LPWA commu... [more] | NS2022-251 pp.481-486 |
| RCS, SR, SRW (Joint) |
2023-03-02 11:15 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Performance evaluation of SIGFOX in mobile environments
-- Performance comparison in static and mobile environments -- Yoshihiko Takeuchi, Masahiro Umehira (Nanzan Univ.) RCS2022-274 |
SIGFOX is one of the LPWA systems that enable wireless IoT simply by having users provide for end terminals. In this rep... [more] | RCS2022-274 pp.155-160 |
| SR, UWT (Joint) |
2023-01-26 13:00 |
Tokyo | Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
[Short Paper]
Water Level Monitoring System based on 429MHz LoRa with Packet Level Index Modulation Yudai Koike, Keita Takeda, Osamu Takyu (Shishu Univ.) SR2022-71 |
In recent years, abnormal weather events such as guerrilla torrential rains have been increasing, and flood damage is al... [more] | SR2022-71 pp.1-6 |
| SeMI, SeMI (Joint) |
2023-01-19 13:00 |
Tokushima | Naruto grand hotel (Primary: On-site, Secondary: Online) |
[Short Paper]
A Study on Radio Wave Propagation Characteristics of LPWA in Nogata City and Fukuoka City Kenshiro Ishibashi, Kousuke Sigematsu (Fukuoka Univ.), Kouki Ozono (Advantech Japan Co.,Ltd), Masayoshi Ohashi (Fukuoka Univ.) SeMI2022-70 |
We are studying to collect sensor data on water levels and water direction in the Onga River basin in Nogata City, where... [more] | SeMI2022-70 pp.1-2 |
| RCS, NS (Joint) |
2022-12-16 09:55 |
Aichi | Nagoya Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Position Estimation Using 920MHz-band LoRaWAN toward Three-dimensional Positioning at Construction Sites Kyosuke Nakano, Takahiro Inoue, Osamu Muta (Kyushu Univ.), Takuto Watanabe, Naohiro Ikeda (Tokyu Construction Co., Ltd.) RCS2022-199 |
Information and communication technologies have been made use in construction sites recently. At large-scale constructio... [more] | RCS2022-199 pp.75-80 |
| SRW, SeMI, CNR (Joint) |
2022-11-24 13:00 |
Tochigi | Epinard Nasu (Primary: On-site, Secondary: Online) |
Successive Interference Cancellation Among Multiple LPWA Systems Based on Cooperation Between Multiple GWs Shinichiro Kakuda, Takeo Fujii (UEC), Shusuke Narieda (Mie Univ.) SRW2022-16 |
Nowadays, the number of low power wide area (LPWA) nodes that can communicate over long distances with low power has bee... [more] | SRW2022-16 pp.1-6 |
| SRW, SeMI, CNR (Joint) |
2022-11-24 15:15 |
Tochigi | Epinard Nasu (Primary: On-site, Secondary: Online) |
[Short Paper]
Frame error rate performance of SIGFOX in static condition Rikuto Tani, Masahiro Umehira (Nanzan Univ.), Yoshihiko Takeuchi (RNE), Katsuyuki Fujii, Yasuyuki Okumura (Nanzan Univ.) SRW2022-20 |
The Internet of Things (IoT) services are spreading steadily and, Low Power Wide Area (LPWA) is drawing attention for it... [more] | SRW2022-20 pp.23-25 |
| NS, ICM, CQ, NV (Joint) |
2022-11-25 13:45 |
Fukuoka | Humanities and Social Sciences Center, Fukuoka Univ. + Online (Primary: On-site, Secondary: Online) |
[Invited Talk]
R&D acrivities of water flow measurement and control of Onga river basin using LPWA Masayoshi Ohashi (Fukuoka Univ.), Shintaro Mori, Makoto Misumi (ukuoka Univ.), Hiroki Muramasu (Advantec) NS2022-124 CQ2022-57 ICM2022-27 |
In this article, we will report on the status of research and development on water level and direction sensing and remot... [more] | NS2022-124 CQ2022-57 ICM2022-27 pp.133-134(NS), pp.54-55(CQ), pp.27-28(ICM) |
| RCS, AP, UWT (Joint) |
2022-11-15 09:55 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
Packet-Level Index Modulation in Duty Cycle Constraints for Each Frequency Channel Hiroto Shida, Kosuke Suzuki, Koichi Adachi (UEC), Osamu Takyu (Shinshu Univ.), Mai Ohta (Fukuoka Univ.), Takeo Fujii (UEC) RCS2022-156 |
(To be available after the conference date) [more] | RCS2022-156 pp.7-12 |
| RCS, AP, UWT (Joint) |
2022-11-16 14:30 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
Floor Height Estimation Using 920 MHz-band LoRaWAN for Three-dimensional Position Estimation at Construction Sites Takahiro Inoue, Kyosuke Nakano, Osamu Muta (Kyushu Univ), Takuto Watanabe, Naohiro Ikeda (TOKYU CONSTRUCTION) RCS2022-169 |
Information and communication technologies have been made use in construction sites recently. At large-scale constructio... [more] | RCS2022-169 pp.85-90 |
| SR | 2022-11-07 15:30 |
Fukuoka | Fukuoka University (Primary: On-site, Secondary: Online) |
[Technology Exhibit]
Consideration of conversion tables in the implementation of PLIM for 429MHz LoRa/FSK Keita Takeda, Ryuji Miyamoto, Osamu Takyu (Shinshu Univ.) SR2022-53 |
LPWA (Low Power Wide Area) is a communication method for the IoT that enables long-distance communication with low power... [more] | SR2022-53 pp.41-45 |
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