Fingerprint Dive into the research topics where Department of Electrical Engineering is active. These topic labels come from the works of this organisation's members. Together they form a unique fingerprint.

Electric potential Engineering & Materials Science
High electron mobility transistors Engineering & Materials Science
Networks (circuits) Engineering & Materials Science
Bismuth Engineering & Materials Science
Transmitters Engineering & Materials Science
Orthogonal frequency division multiplexing Engineering & Materials Science
Antennas Engineering & Materials Science
Throughput Engineering & Materials Science

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Research Output 1989 2019

300-GHz CMOS transceiver for terahertz wireless communication

Hara, S., Takano, K., Katayama, K., Dong, R., Lee, S., Watanabe, I., Sekine, N., Kasamatsu, A., Yoshida, T., Amakawa, S. & Fujishima, M., 16 Jan 2019, 2018 Asia-Pacific Microwave Conference, APMC 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 429-431 3 p. 8617468. (Asia-Pacific Microwave Conference Proceedings, APMC; vol. 2018-November).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transceivers
Frequency bands
Communication
Silicon

300-GHz wireless data transmission system with low-Snr CMOS RF front end

Lee, S., Dong, R., Hara, S., Takano, K., Amakawa, S., Yoshida, T. & Fujishima, M., 1 May 2019, GSMM 2019 - 12th Global Symposium on Millimeter Waves, Proceeding. Institute of Electrical and Electronics Engineers Inc., p. 32-34 3 p. 8797671. (GSMM 2019 - 12th Global Symposium on Millimeter Waves, Proceeding).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

data transmission
Data communication systems
Signal to noise ratio
CMOS
Antennas

A-40-dBc Integrated-Phase-Noise 45-GHz Sub-Sampling PLL with 3.9-dBm Output and 2.1% DC-to-RF Efficiency

Lee, S., Takano, K., Hara, S., Dong, R., Amakawa, S., Yoshida, T. & Fujishima, M., Jun 2019, 2019 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2019. Institute of Electrical and Electronics Engineers Inc., p. 175-178 4 p. 8701745. (Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium; vol. 2019-June).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phase locked loops
Phase noise
Variable frequency oscillators
Sampling
Pumps

A 6-mW-DC-Power 300-GHz CMOS Receiver for Near-Field Wireless Communications

Lee, S., Dong, R., Hara, S., Takano, K., Amakawa, S., Yoshida, T. & Fujishima, M., 1 Jun 2019, 2019 IEEE MTT-S International Microwave Symposium, IMS 2019. Institute of Electrical and Electronics Engineers Inc., p. 504-507 4 p. 8700961. (IEEE MTT-S International Microwave Symposium Digest; vol. 2019-June).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

wireless communication
CMOS
near fields
Electric power utilization
receivers

A consideration on maximum efficiency of resonant circuit of inductive power transfer system with soft-switching operation

Ota, R., Nugroho, D. S. & Hoshi, N., 1 Sep 2019, In : World Electric Vehicle Journal. 10, 3, 54.

Research output: Contribution to journalArticle

Open Access
Resonant circuits
Electric potential
Charging (batteries)
Electric vehicles
Experiments

A doubler-based 300-GHz CMOS up-conversion mixer for terahertz communication

Takano, K., May 2019, GSMM 2019 - 12th Global Symposium on Millimeter Waves, Proceeding. Institute of Electrical and Electronics Engineers Inc., p. 26-28 3 p. 8797656. (GSMM 2019 - 12th Global Symposium on Millimeter Waves, Proceeding).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mixer circuits
CMOS
communication
Communication
Transceivers

A machine-learning-based post filtering method utilizing block boundary information in HEVC

Yamaki, Y., Kameda, Y., Matsuda, I. & Itoh, S., 1 Jan 2019, International Workshop on Advanced Image Technology, IWAIT 2019. Yu, L., Hayase, K., Kemao, Q., Srisuk, S., Lau, P. Y., Lie, W-N. & Lee, Y-L. (eds.). SPIE, 1104932. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11049).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

machine learning
Block Method
Support vector machines
Learning systems
Machine Learning

Analysis of interference between each port in triple active bridge converter

Ohno, T., Kakomura, K. & Hoshi, N., 1 Jun 2019, In : Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi). 207, 4, p. 55-62 8 p.

Research output: Contribution to journalArticle

Controllers
Power converters
DC-DC converters
Power transmission
Insulation
1 Citation (Scopus)

Analysis of interference between each port in triple active bridge converter

Ohno, T., Kakomura, K. & Hoshi, N., 1 Jan 2019, In : IEEJ Transactions on Industry Applications. 139, 3, p. 232-238 7 p.

Research output: Contribution to journalArticle

Controllers
Power converters
DC-DC converters
Power transmission
Insulation