IEEE Transactions on Circuits and Systems I: Regular Papers 2024年
This paper proposes the load-independent (LI) class-E frequency multiplier along with a unified circuit analysis method with the LI class-E amplifier. A circuit-parameter determination strategy is presented to achieve LI operation and maximum powe...
This paper presents an analysis and design of a load-independent (LI) series resonant (SR) power amplifier with constant current (CC) output, along with its application for an MHz wireless power transfer (WPT) system. A novel inverse Class E power...
This paper presents an analysis and design of the load-independent (LI) high-frequency magnetic resonant wireless power transfer (MR-WPT) system with robustness against load variations and coil misalignments. It is clarified from the analysis that...
Cognitive radio networks' evolution hinges significantly on the use of automatic modulation classification (AMC). However, existing research reveals limitations in attaining high AMC accuracy due to ineffective feature extraction from signals. To ...
Weisen Luo   Xiuqin Wei   Hiroo Sekiya   
IEICE Transactions on Communications E106–B(12) 1402-1410 2023年12月
This paper presents an analysis-based design method for designing the class-Φ22 wireless power transfer (WPT) system, taking its subsystems as a whole into account. By using the proposed design method, it is possible to derive accurate design valu...
This paper proposes a load-independent high-frequency wireless power transfer (WPT) system for multiple receivers with a single transmitter. The proposed system achieves zero-voltage switching (ZVS) at the transmitter and constant output voltages ...
Seon Geun Jeong   Quang Vinh Do   Hae Ji Hwang   Mikio Hasegawa   Hiroo Sekiya   Won Joo Hwang   
2023 IEEE International Conference on Consumer Electronics-Asia, ICCE-Asia 2023 2023年
Ultra-wide-band (UWB) technology has emerged as a promising solution for providing accurate indoor positioning capabilities. However, indoor environments have various obstacles, which induce significant signal propagation effects. To avoid this is...
2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 2307-2312 2023年
In this research, we propose a reconfigurable load-independent class-E inverter. Adding only one extra mode switch, the proposed inverter can switch between constant voltage (CV) and constant current (CC) output against load variations. Moreover, ...
22nd International Symposium on Communications and Information Technologies, ISCIT 2023 318-323 2023年
In the globalization era, a university's homepage on the Internet has become more critical since it can give an insight into the technologies valued by the university. In this research, we compared the university homepages/websites in Germany and ...