Joint Optimization of Charging Location and Time for Network Lifetime Extension in WRSNs
Thuy Dung Nguyen, Tuyen Nguyen, Thanh Hung Nguyen, Kien Nguyen, Phi Le Nguyen
IEEE Transactions on Green Communications and Networking (Early Access), pp.1-1, Dec. 2021.
[Abstract | pdf]

Frequency-Modulation Controlled Load-Independent Class-E Inverter
Yutaro Komiyama, Shuya Matsuhashi, Wenqi Zhu, Taichi Mishima, Yuki Ito, Takeshi Uematsu, Kien Nguyen, Hiroo Sekiya
IEEE Access, vol.9, pp.144600-144613, Nov. 2021.
[Abstract | pdf]

Comprehensive and Simplified Numerical Design Procedure for Class-E Switching　Circuits
Wenqi Zhu, Yutaro KOMIYAMA, Kien NGUYEN, and Hiroo Sekiya
IEEE Access, Oct. 2021.
[Abstract | pdf]

Analysis and Design of 6.78 MHz Wireless Power Transfer System for Robot Arm
Katsuki Tokano, Wenqi Zhu, Tatsuki Osato, Kien Nguyen, Hiroo Sekiya
IEICE Transactions on Communications, pp.1-10, Sept. 2021.
[Abstract | pdf]

Empowering 5G Mobile Devices with Network Softwarization
Kien Nguyen, Phi Le Nguyen, Zhetao Li, Hiroo Sekiya
IEEE Transaction on Network and Service Management, vol.18, Issue 3, pp.2492-2501, Sept. 2021.
[Abstract | pdf]

A novel design methodology for extended continuous class-F power amplifiers in wireless applications
Sepehr Zarghami, Mohsen Hayati, Marian K. Kazimierczuk, and Hiroo Sekiya
Wireless Networks, vol.27, pp.3947-3968, Aug. 2021.
[Abstract | pdf]

An On-demand Charging for Connected Target Coverage in WRSNs using Fuzzy Logic and Q-learning
Phi Le Nguyen, La Van Quan, Anh Duy Nguyen, Thanh-Hung Nguyen, Kien Nguyen
Sensors, vol.21, no.16: 5520, Aug. 2021.
[Abstract | pdf]

QIH: An Efficient Q-Learning Inspired Hole-Bypassing Routing Protocol for WSNs
Phi Le Nguyen, Nang Hung Nguyen, Khanh Le, Thanh-Hung Nguyen, Kien Nguyen
IEEE Access, vol.9, pp.123414-123429, Aug. 2021.
[Abstract | pdf]

Implementation of Micropayment System Using IoT Devices
Ryota Nakada, Kien Nguyen, Hiroo Sekiya
Journal of Signal Processing, vol.25, no.4, pp.137-140, July 2021.
[Abstract | pdf]

High-Frequency Single-Switch PFC with Frequency-Modulation Controlled Class-E2 Converter
Wenqi Zhu, Takayuki Ikari, Giorgio Lovison, Keisuke Inoue, Shigeharu Yamagami, and Hiroo Sekiya
IET Power Electronics, pp.1-11, June 2021.
[Abstract | pdf]

Decentralizing Private Blockchain-IoT Network with OLSR
Chen Xuan, Shujuan Tian, Kien Nguyen, Hiroo Sekiya
Future Internet, vol.13, Issue 7:168, June 2021.
[Abstract | pdf]

Early wake-up ahead node for fast code dissemination in wireless sensor networks
Qingyong Deng, Yan Ouyang, Shujuan Tian, Rong Ran, Jinsong Gui, and Hiroo Sekiya
IEEE Transactions on Vehicular Technology, vol.70, no.4, Apr. 2021.
[Abstract | pdf]

PM2.5 Prediction Using Genetic Algorithm-based Feature Selection and Encoder-Decoder Model
Minh Hieu Nguyen, Phi Le Nguyen, Kien Nguyen, Van An Le, Thanh-Hung Nguyen, Yusheng Ji
IEEE Access, vol.9, pp.57338-57350, Apr. 2021.
[Abstract | pdf]

An Experimental Study on Performance of Private Blockchain in IoT Applications
Chen Xuan, Kien Nguyen, Hiroo Sekiya
Elsevier Peer-to-Peer Networking and Applications, Mar. 2021.
[Abstract | pdf]

負荷非依存E級同期整流器の解析と設計
大里 辰希, アスヤ, 魏秀欽, 朱 聞起, グエンキエン, 関屋大雄
電子情報通信学会, vol.J104-B, no.2, pp.83-92, Feb. 2021.
[Abstract | pdf]

SDN-based Resource Provisioning System with IOTA
Hideya Masaki, Kien Nguyen, Hiroo Sekiya
IEEE Workshop on Nonlinear Circuit Networks December 3-4, 2021, pp.9-12, Dec. 2021.
[Abstract | pdf]

Wireless Power Transfer System with Load-Independent Inverse Class-E Oscillator
Yutaro Komiyama, Shuya Matsuhashi, Wenqi Zhu, Kien Nguyen, Takeshi Uematsu, Yuki Ito, Taichi Mishima, and Hiroo Sekiya
The 2021 Nonlinear Science Workshop (NLSW2021), p.39, Dec. 2021.
[Abstract | pdf]

Constant Voltage Output Autonomous Wireless Power Transfer System
Yutaro Komiyama, Shuya Matsuhashi, Wenqi Zhu, Kien Nguyen, Takeshi Uematsu, Yuki Ito, Taichi Mishima, and Hiroo Sekiya
2021 IEEE Workshop on Nonlinear Circuit Networks (NCN2021), pp.21-24, Dec. 2021.
[Abstract | pdf]

Load-Independent Inverse Class-E Oscillator with Armstrong-Oscillator Based Topology
Yutaro Komiyama, Shuya Matsuhashi, Wenqi Zhu, Kien Nguyen, and Hiroo Sekiya
The 18th International SoC Design Conference (ISOCC 2021), pp.175-176, Oct. 2021.
[Abstract | pdf]

A QoS-guaranteed System with Software Defined Networking and Micropayment
Hideya Masaki, Kien Nguyen, Hiroo Sekiya
2021 26th IEEE Asia-Pacific Conference on Communications (APCC), pp.94-98, Oct. 2021.
[Abstract | pdf]

Realizing Mobile Air Quality Monitoring System: Architectural Concept and Device Prototype
Viet An Nguyen, Viet Hung Vu, Van Sang Doan, Thanh Hung Nguyen, Do Phan Thuan, Kien Nguyen, Phi Le Nguyen, Minh Thuy Le
2021 26th IEEE Asia-Pacific Conference on Communications (APCC), pp.115-120, Oct. 2021.
[Abstract | pdf]

A Comparison of Distributed Ledger Technologies in IoT: IOTA Versus Ethereum
Xuan Chen, Ryota Nakada, Kien Nguyen, Hiroo Sekiya
IEEE ISCIT 2021, Oct. 2021.
[Abstract | pdf]

PSO-based Design Procedure for Class-DE Inverter
Wenqi Zhu, Yutaro KOMIYAMA, Kien NGUYEN, and Hiroo Sekiya
18th International SoC Design Conference (ISOCC 2021), Oct. 2021.
[Abstract | pdf]

Heuristic Algorithm-Based Design Method for Class-E Switching Circuits
Wenqi Zhu, Yutaro KOMIYAMA, Kien NGUYEN, and Hiroo Sekiya
IEEE Annual Energy Conversion Congress and Exposition (ECCE2021), Oct. 2021.
[Abstract | pdf]

Class-E Inverter with Frequency Modulation Control
Yutaro Komiyama, Wenqi Zhu, Kien Nguyen, and Hiroo Sekiya
The 10th International Conference on Renewable Energy Research and Applications (ICRERA 2021), pp.94-98, Sept. 2021.
[Abstract | pdf]

Efficient Prediction of Discharge and Water Levels Using Ensemble Learning and Singular-Spectrum Analysis-based Denoising
Anh Duy Nguyen, Viet Hung Vu, Minh Hieu Nguyen, Duc Viet Hoang, Thanh Hung Nguyen, Kien Nguyen, Phi Le Nguyen
the 34th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA/AIE 2021), July 2021.
[Abstract | pdf]

Load Independent Class-E-1 Inverter with Shunt Capacitance
Ayano Komanaka, Wenqi Zhu, Kien Nguyen, Hiroo Sekiya, and Xiuqin Wei
ISIE2021, June 2021.
[Abstract | pdf]

Optimal Design of 6.78 MHz Wireless Power Transfer System for Robot Arm
Katsuki Tokano, Wenqi Zhu, Tatsuki Osato, Kien Nguyen, Hiroo Sekiya
International Symposium on Circuits and Systems, May 2021.
[Abstract | pdf]

"Multi-Agent Multi-Armed Bandit Learning for Offloading Delay Minimization in V2X Networks
Nang Hung Nguyen, Phi Le Nguyen, Hieu Dinh, Thanh Hung Nguyen, Kien Nguyen
The 19th IEEE international conference on embedded and ubiquitous computing (EUC 2021), Apr. 2021.
[Abstract | pdf]

Analysis and Design of Load-Independent ZCS Parallel-Resonant Inverter
Ayano Komanaka, Wenqi Zhu, Xiuqin Wei, Kien Nguyen, and Hiroo Sekiya
RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing, pp.309-312, Mar. 2021.
[Abstract | pdf]

Evaluating Congestion Control Algorithms of Raspberry Pi in Wi-Fi Network
Yuki Horie, Kien Nguyen and Hiroo Sekiya
RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing, pp.182-185, Mar. 2021.
[Abstract | pdf]

Implementation of Micropayment System Using IoT Devices
Ryota Nakada, Kien Nguyen, and Hiroo Sekiya
RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing, pp.178-181, Mar. 2021.
[Abstract | pdf]

マルチホップ磁界共鳴無線電力伝送システムの動作原理と設計実装例
関屋大雄
電子情報通信学会無線通信システム研究会, vol. 121, no. 234 , pp.111-116, Nov. 2021.
[Abstract | pdf]

ワイヤーフリーロボット実現に向けた検討状況
Satoru Shimizu, Kazunobu Serizawa, Kazushi Sakuma, Yoshinori Suzuki, Hiroo Sekiya, Masataka Ohira
電子情報通信学会センサネットワークとモバイルインテリジェンス研究会, vol.121, no.266, pp.27-30,, Nov. 2021.
[Abstract | pdf]

無線スパイキングニューラルネットワークとそのFPGA実装
関屋大雄, グエン キエン, 鳥飼弘幸
電子情報通信学会革新的無線通信技術に関する横断型研究会, Oct. 2021.
[Abstract | pdf]

多ホップ多出力負荷非依存無線電力伝送システムの設計論
関屋大雄, 戸叶克輝, グエンキエン, 清水 聡, 芹澤和伸, 佐久間和司, 鈴木義規
電子情報通信学会電子通信エネルギー技術研究会（EE）EE2021-13, pp.6-11, Oct. 2021.
[Abstract | pdf]

多関節ロボットアームに向けた負荷非依存多出力マルチホップWPTシステム
戸叶克輝　朱聞起　グエンキエン　関屋大雄
電子情報通信学会電子通信エネルギー技術研究会（EE）EE2021-14, pp.12-17, Oct. 2021.
[Abstract | pdf]

負荷非依存ZVS並列共振インバータの解析と設計
駒中綾乃,朱聞起,魏秀欽,グエンキエン,関屋大雄
電気学会半導体電力変換研究会 (SPC) SPC-21-099, pp.26-31, July 2021.
[Abstract | pdf]

ロボットアームの実装に向けた負荷非依存マルチホップWPTシステムの設計
戸叶克輝,朱聞起,グエンキエン,関屋大雄
電気学会半導体電力変換研究会 (SPC) SPC-21-100, pp.32-37, July 2021.
[Abstract | pdf]

負荷非依存E級インバータにおける周波数制御
小宮山裕太郎,グエンキエン,三島大地,伊藤勇輝,上松武,関屋大雄
電子情報通信学会電子通信エネルギー技術研究会(EE)EE2021-8, vol.121, no.124, pp.6-11, July 2021.
[Abstract | pdf]

マイクロペイメントによるネットワーク資源保証の提供
政木　秀也, グエン キエン, 関屋 大雄
電子情報通信学会ネットワークシステム研究会 (NS)NS2021-32 , vol.121, no.102, pp.1-6, July 2021.
[Abstract | pdf]

ヒューリスティックアルゴリズムを用いたE級スイッチング回路の設計手法
朱 聞起， 戸叶 克輝， グエン キエン， 関屋 大雄
電子情報通信学会電子通信エネルギー技術研究会（EE）EE2020-46, Mar. 2021.
[Abstract | pdf]

負荷非依存E^2級DC-DCコンバータの設計
大里辰希，魏秀欽，グエンキエン，関屋大雄
電子情報通信学会電子通信エネルギー技術研究会(EE)EE2020-45, pp.28-33, Mar. 2021.
[Abstract | pdf]

ヒューリスティックアルゴリズムを用いたE級スイッチング回路の設計手法
朱　聞起, 戸叶　克輝, グエン・キエン, 関屋 大雄
電子情報通信学会電子通信エネルギー技術研究会(EE)EE2020-46, pp.34-38, Mar. 2021.
[Abstract | pdf]

A Research on Distributed Ledger Technologies for IoT Applications
Kien Nguyen, Hiroo Sekiya
AXIES 高品質・セキュリティICTワーク ショップ2-21, Nov. 2021.
[Abstract | pdf]

遺伝的アルゴリズムを用いたE級WPTシステムの最適設計
朱 聞起， グエン キエン， 関屋 大雄
電子情報通信学会総合大会, Mar. 2021.
[Abstract | pdf]

Investigating Dynamic Mining Time of Private Ethereum Blockchain on IoT Devices
Xuan Chen, Kien Nguyen, Hiroo Sekiya
電子情報通信学会総合大会, pp.33-34, Mar. 2021.
[Abstract | pdf]