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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 109  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SIP, IT, RCS 2024-01-18
15:45
Miyagi
(Primary: On-site, Secondary: Online)
Chirp Index Space Partitioning Based Multiple Access Technique
Hinata Sakamoto, Koichi Adachi (UEC) IT2023-45 SIP2023-78 RCS2023-220
With the development and diffusion of IoT technologies, demand for low-power wide-area networks (LPWANs) that enable long... [more] IT2023-45 SIP2023-78 RCS2023-220
pp.76-81
NS, RCS
(Joint)
2023-12-14
18:20
Fukuoka Kyushu Institute of Technology Tobata campus, and Online
(Primary: On-site, Secondary: Online)
Received Signal Aided Implicit Node Clustering in LPWAN
Takahiro Saraya, Aoto Kaburaki, Koichi Adachi (UEC), Osamu Takyu (Shinshu Univ.), Takeo Fujii (UEC), Mai Ohta (Fukuoka Univ.) RCS2023-191
 [more] RCS2023-191
pp.70-75
SR 2023-11-10
14:30
Miyagi
(Primary: On-site, Secondary: Online)
[Technology Exhibit] Verification of actual equipment for wireless and sensor environment-adaptive LPWA
Osamu Takyu (Shinshu Univ.), Aoto Kaburaki (UEC), Yudai Koike (Shinshu Univ.), Ryogo Oya, Hiroto Shida, Koichi Adachi, Takeo Fujii (UEC) SR2023-64
 [more] SR2023-64
pp.83-89
RISING
(3rd)
2023-10-31
09:45
Hokkaido Kaderu 2・7 (Sapporo) [Poster Presentation] Investigation of Indoor Wireless Environment Database Technology for Smart Factories
Hayato Mukasa, Koshiro Aruga, Takeo Fujii, Koichi Adachi (UEC)
In the manufacturing industry, smart factories that utilize sensing, communication, and artificial intelligence technolo... [more]
RISING
(3rd)
2023-10-31
14:00
Hokkaido Kaderu 2・7 (Sapporo) [Poster Presentation] Identification of the Number of Signal Collision Sensors Using Spectral Fluctuation Caused by Frequency Offset in Physical Wireless Parameter Conversion Sensor Networks
Toshi, Osamu Takyu (Shinshu Univ.), mai ohta (Fukuoka Univ.), Takeo Fujii, Koichi Adachi (UEC)
 [more]
RCS 2023-10-19
10:30
Kagawa Kagawa University (Saiwai-cho Campus), and online
(Primary: On-site, Secondary: Online)
Dynamic Path Planning for QoS Improvement in Multiple Automated Guided Vehicles
Takumi Tanagi, Koichi Adachi (UEC) RCS2023-128
Logistics business process including material handling, which is the transportation of products and ma- terials using au... [more] RCS2023-128
pp.1-6
RCS 2023-10-19
10:55
Kagawa Kagawa University (Saiwai-cho Campus), and online
(Primary: On-site, Secondary: Online)
Fractional Spreading Factor for LoRa Signals and Its Demodulation Algorithm
Ryoya Saito, Koichi Adachi, Takeo Fujii, Ryota Kumada (UEC) RCS2023-129
Recently, long-range wide area network (LoRaWAN), a low power wide area network (LPWAN) technology that facilitates long... [more] RCS2023-129
pp.7-12
RCS 2023-10-19
11:20
Kagawa Kagawa University (Saiwai-cho Campus), and online
(Primary: On-site, Secondary: Online)
Energy-Efficient Multi-hop LoRaWAN with Transmission and Synchronization Control
Hiroto Shida, Aoto Kaburaki, Koichi Adachi (UEC) RCS2023-130
 [more] RCS2023-130
pp.13-18
RCS 2023-10-19
11:45
Kagawa Kagawa University (Saiwai-cho Campus), and online
(Primary: On-site, Secondary: Online)
Resource Allocation Strategy to Tackle the Hidden Node Problem in LPWAN
Aoto Kaburaki, Koichi Adachi (UEC), Osamu Takyu (Shinshu Univ.), Mai Ohta (Fukuoka Univ.), Takeo Fujii (UEC) RCS2023-131
 [more] RCS2023-131
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
RCS 2023-06-14
17:55
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
LBT-based Resource Allocation Schemes Utilizing Periodicity of Traffic in LPWAN
Aoto Kaburaki, Koichi Adachi (UEC), Osamu Takyu (Shinshu Univ.), Mai Ohta (Fukuoka Univ.), Takeo Fujii (UEC) RCS2023-46
 [more] RCS2023-46
pp.105-110
IT, RCS, SIP 2023-01-25
10:00
Gunma Maebashi Terrsa
(Primary: On-site, Secondary: Online)
Antenna Selection Method for Improving DoA Estimation Accuracy
Naotaka Hirayama, Koichi Adachi (UEC) IT2022-51 SIP2022-102 RCS2022-230
This paper focuses on a position estimation method that does not require GNSS or infrastructure equipment and can be app... [more] IT2022-51 SIP2022-102 RCS2022-230
pp.126-131
RCS, AP, UWT
(Joint)
2022-11-15
09:30
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
Trajectory Optimization and Resource Allocation in Mobility-Aware MEC Systems
Takumi Tanagi, Koichi Adachi (UEC) RCS2022-155
Mobile Edge Computing (MEC) is a technology that provides users with vast computing resources at low latency by allowing... [more] RCS2022-155
pp.1-6
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
SR 2022-11-07
11:00
Fukuoka Fukuoka University
(Primary: On-site, Secondary: Online)
[Short Paper] Improved Optimal Index Design Considering Transmission Control in Packet-Level Index Modulation
Ryuji Miyamoto, Osamu Takyu, Hiroshi Fujiwara (Shinshu Univ.), Koichi Adachi (UEC), Mai Ohta (Fukuoka Univ.), Takeo Fujii (UEC) SR2022-49
 [more] SR2022-49
pp.24-28
SR 2022-11-08
10:20
Fukuoka Fukuoka University
(Primary: On-site, Secondary: Online)
Improvement of Collection Accuracy by Switching Carrier Frequency Offset in PhyC-SN
Toshi Ito, Osamu Takyu (Shinshu Univ.), Mai Ohta (Fukuoka Univ), Takeo Fujii, Koichi Adachi (UEC) SR2022-59
A feature utilizing frequency offsets is used as a collision detection method in the wireless physical quantity conversi... [more] SR2022-59
pp.78-83
RISING
(3rd)
2022-10-31
10:30
Kyoto Kyoto Terrsa (Day 1), and Online (Day 2, 3) [Poster Presentation] Highly Detectable Collision Detection in PhyC-SN by Receiving Antenna Selection
Toshi Ito, Osamu Takyu (Shinshu Univ.), Mai Ohta (Fukuoka Univ), Takeo Fujii, Koichi Adachi (UEC)
The feature of phase dispersion is used as a collision detection method in the wireless physical quantity conversion-sum... [more]
SAT, RCS
(Joint)
2022-08-25
17:40
Hokkaido
(Primary: On-site, Secondary: Online)
Resource allocation scheme utilizing clock drift in LPWAN
Aoto Kaburaki, Koichi Adachi (UEC), Osamu Takyu (Shinshu Univ.), Mai Ohta (Fukuoka Univ.), Takeo Fujii (UEC) RCS2022-111
 [more] RCS2022-111
pp.78-83
SAT, RCS
(Joint)
2022-08-25
18:05
Hokkaido
(Primary: On-site, Secondary: Online)
Interference Cancellation for Coexistence of LoRaWAN with Wireless Power Transfer
Ryota Kumada, Koichi Adachi (UEC) RCS2022-112
With the advancement of IoT, wireless sensor networks (WSN) have been implemented in various applications.
Low power wi... [more]
RCS2022-112
pp.84-89
SAT, RCS
(Joint)
2022-08-26
10:40
Hokkaido
(Primary: On-site, Secondary: Online)
Channel Activity Detection Based Index Mapping Scheme for Packet-Level Index Modulation
Kosuke Suzuki, Koichi Adachi (UEC), Mai Ohta (Fukuoka Univ.), Osamu Takyu (Shinshu Univ.), Takeo Fujii (UEC) RCS2022-122
Long range wide area network (LoRaWAN) attracts attention due to its ability to realize massive machine-type communicati... [more] RCS2022-122
pp.144-149
 Results 1 - 20 of 109  /  [Next]  
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