論文

• Sangyeop Lee, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. A 58-%-lock-range divide-by-9 injection-locked frequency divider using harmonic-control technique, IEICE Transactions on Electronics, Oct. 2023.
• Sangyeop Lee, Kyoya Takano, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. A 0.6-V 41.3-GHz power-scalable sub-sampling PLL in 55-nm CMOS DDC, IEICE Transactions on Electronics, Oct. 2023.
• Sangyeop Lee, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. A 0.4-V 29-GHz-bandwidth power-scalable distributed amplifier in 55-nm CMOS DDC process, Oct. 2022.
• Shinsuke Hara, Ruibing Dong, Sangyeop Lee, Kyoya Takano, Naoya Toshida, Akifumi Kasamatsu, Kunio Sakakibara, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima. A 76-Gbit/s 265-GHz CMOS receiver with WR-3.4 waveguide interface, IEEE Journal of Solid-State Circuits, July 2022.
• Yohei MORISHITA, Sangyeop LEE, Toshihiro TERAOKA, Ruibing DONG, Yuichi KASHINO, Hitoshi ASANO, Shinsuke HARA, Kyoya TAKANO, Kosuke KATAYAMA, Takenori SAKAMOTO, Naganori SHIRAKATA, Koji TAKINAMI, Kazuaki TAKAHASHI, Akifumi KASAMATSU, Takeshi YOSHIDA, Shuhei AMAKAWA, Minoru FUJISHIMA. 300-GHz-band OFDM video transmission with CMOS TX/RX modules and 40 dBi Cassegrain antenna toward 6G, IEICE Transactions on Electronics, Vol. E104.C, No. 10, pp. 576-586, Oct. 2021.
• Sangyeop Lee, Shuhei Amakawa, Takeshi Yoshida, Shinsuke Hara, Minoru Fujishima. A 32 Gb/s CMOS receiver with analog carrier recovery and synchronous QPSK demodulation, Vol. 31, No. 6, pp. 768-770, June 2021.
• Sangyeop Lee, Shinsuke Hara, Takeshi Yoshida, Shuhei Amakawa, Ruibing Dong, Akifumi Kasamatsu, Junji Sato, Minoru Fujishima. An 80-Gb/s 300-GHz-band single-chip CMOS transceiver, IEEE Journal of Solid-State Circuits, vol. 54, no. 12, pp. 3577-3588, Dec. 2019.

著書

• 李 尚曄, 藤島実. Beyond 5Gに向けたテラヘルツ帯域ピンポイント無線の研究, 次世代無線通信に向けたアンテナ開発, シーエムシー出版, pp. 140-147, Oct. 2020.

国際会議発表 (査読有り)

• Sangyeop Lee, Kosuke Katayama, Kyoya Takano, Masao Fujita, Masayuki Toyoda, Shinsuke Hara, Issei Watanabe, Akifumi Kasamatsu, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. 300-GHz back-radiation on-chip-antenna measurement with electromagnetic-wave-absorption sheet, IEEE International Conference on Microelectronic Test Structures, Mar. 2022.
• Shinsuke Hara, Ruibing Dong, Sangyeop Lee, Kyoya Takano, Naoya Toshida, Satoru Tanoi, Mohamed H. Mubarak, Norihiko Sekine, Issei Watanabe, Akifumi Kasamatsu, Kunio Sakakibara, Shunichi Kubo, Satoshi Miura, Yohtaro Umeda, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima. A 76-Gbit/s 265-GHz CMOS receiver, IEEE IEEE Asian Solid-State Circuits Conference, Nov. 2021.
• Sangyeop Lee, Shinsuke Hara, Ruibing Dong, Kyoya Takano, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. A 272-GHz CMOS Analog BPSK/QPSK Demodulator for IEEE 802.15.3d, IEEE European Solid-State Circuits Conference, Sept. 2021.
• Toyoyuki Hagiwara, Natsu Yamaki, Koki Sekine, Hajime Sakai, Kenta Sahara, Kyoya Takano, Shinsuke Hara, Sangyeop Lee, Ruibing Dong, Satoru Tanoi, Shunichi Kubo, Satoshi Miura, Akifumi Kasamatsu, Takeshi Yoshida, Shuhei Amakawa, Kunio Sakakibara, Yohtaro Umeda, Minoru Fujishima. A 258-GHz CMOS transmitter with phase-shifting architecture for phased-array systems, IEEE MTT-S International Microwave Symposium, June 2021.
• Sangyeop Lee, Shuhei Amakawa, Takeshi Yoshida, Shinsuke Hara, Minoru Fujishima. A 32 Gb/s CMOS receiver with analog carrier recovery and synchronous QPSK demodulation, IEEE MTT-S International Microwave Symposium, June 2021.
• Sangyeop Lee, Masao Fujita, Masayuki Toyoda, Shinsuke Hara, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. Effect of an electromagnetic wave absorber on 300-GHz short-range wireless communications, IEEE International Symposium on Frequency Integration Technology, Sept. 2020.
• Sangyeop Lee, Shuhei Amakawa, Takeshi Yoshida, Yohei Morishita, Shinsuke Hara, Yuichi Kashino, Minoru Fujishima. 300-GHz CMOS-based wireless link using 40-dBi Cassegrain antenna for IEEE Standard 802.15.3d, IEEE International Symposium on Frequency Integration Technology, Sept. 2020.
• Kosuke Ono, Sangyeop Lee, Minoru Fujishima, Hiroyuki Ito, Shuhei Amakawa. Millimeter-wave CMOS amplifier with negative-capacitance feedback using half-wave transformer, International Symposium on Biomedical Engineering, Nov. 2019.
• Sangyeop Lee, Kyoya Takano, Shinsuke Hara, Ruibing Dong, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. A-40-dBc integrated-phase-noise 45-GHz sub-sampling PLL with 3.9-dBm output and 2.1% DC-to-RF efficiency, IEEE Radio Frequency Integrated Circuits Symposium, June 2019.
• Sangyeop Lee, Ruibing Dong, Shinsuke Hara, Kyoya Takano, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. A 6-mW-DC-power 300-GHz CMOS receiver for near-field wireless communications, IEEE MTT-S International Microwave Symposium, June 2019.
• Sangyeop Lee, Ruibing Dong, Shinsuke Hara, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. 300-GHz wireless data transmission system with low-SNR CMOS RF front end, Global Symposium on Millimeter Waves, May 2019.
• Sangyeop Lee, Ruibing Dong, Takeshi Yoshida, Shuhei Amakawa, Shinsuke Hara, Akifumi Kasamatsu, Junji Sato, Minoru Fujishima. An 80Gb/s 300GHz-band single-chip CMOS transceiver, IEEE International Solid-State Circuits Conference, Feb. 2019.
• Shuhei Amakawa, Atsushi Takeshige, Shinsuke Hara, Ruibing Dong, Sangyeop Lee, Takeshi Yoshida, Minoru Fujishima, Kazuya Masu, Hiroyuki Ito. Causal characteristic impedance determination using calibration comparison and propagation constant, IEEE ARFTG Microwave Measurement Conference, Jan. 2019.
• Shinsuke Hara, Kyoya Takano, Kosuke Katayama, Ruibing Dong, Sangyeop Lee, Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima. 300-GHz CMOS transceiver for terahertz wireless communication,, IEEE Asia-Pacific Microwave Conference, Nov. 2018.
• Sangyeop Lee, Kyoya Takano, Ruibing Dong, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. A 37-GHz-input divide-by-36 injection-locked frequency divider with 1.6-GHz lock range, IEEE Asian Solid-State Circuits Conference, Nov. 2018.
• Kyoya Takano, Ruibing Dong, Sangyeop Lee, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. A 239-315 GHz CMOS frequency doubler designed by using a small-signal harmonic model, IEEE European Microwave Integrated Circuits Conference, Sept. 2018.
• Ruibing Dong, Kosuke Katayama, Kyoya Takano, Sangyeop Lee, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. 79–85GHz CMOS amplifier with 0.35 V supply voltage, IEEE European Microwave Integrated Circuits Conference, Sept. 2018.
• Shuhei Amakawa, Sangyeop Lee, Kyoya Takano, Ruibing Dong, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. A 300-μW K-band oscillator with high-Q open-stub capacitor in 55-nm CMOS DDC, IEEE International Symposium on Frequency Integration Technology, Aug. 2018.

国際会議発表 (査読なし・不明)

• Sangyeop Lee, Yohei Morishita, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. 300-GHz self-heterodyne-mixing-receiver-based wireless data transmission, IEEE International Symposium on Frequency Integration Technology, Aug. 2022.
• Sangyeop Lee, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. A 300-GHz analog-demodulation CMOS receiver for IEEE 802.15.3d, Global Symposium on Millimeter Waves, May 2022.
• Sangyeop Lee, Shuhei Amakawa, Takeshi Yoshida, Minoru Fujishima. 300-GHz CMOS-based wireless link for future communication, IEEE International Symposium on Frequency Integration Technology (Workshop), Aug. 2021.

国内会議発表 (査読なし・不明)

• 李尚曄, 藤田真男, 豊田将之, 原紳介, 天川修平, 吉田毅, 藤島実. 電波吸収体による300GHz 帯近距離無線通信特性改善, シンポジウム「テラヘルツ科学の最先端VIII」, Nov. 2021.
• スミス 力紀, 李尚曄, 吉田毅, 藤島実. ショートスタブを用いたミリ波帯低損失CMOSパッド, 電子情報通信学会総合大会, Mar. 2020.
• 李尚曄, 董鋭冰, 原紳介, 高野恭弥, 天川修平, 吉田毅, 藤島実. 300-GHz wireless data transmission system with low-SNR CMOS RF front end, 電子情報通信学会マイクロ波研究会, Dec. 2019.
• 伊藤駿, 李尚曄, 吉田毅, 天川修平, 藤島実. 局所帰還を有する80GHzCMOS電力増幅最終段の検討, 電子情報通信学会ソサイエティ大会, Sept. 2019.
• 小林知広, 李尚曄, 天川修平, 吉田毅, 藤島実. 異なるグランドスロット幅を有するスローウェーブ伝送線路の評価, 電子情報通信学会ソサイエティ大会, Sept. 2019.
• 天川 修平, 李 尚曄, 高野 恭弥, 董 鋭冰, 天川 修平, 吉田 毅, 藤島 実. A 37-GHz-Input Divide-by-36 Injection-Locked Frequency Divider with 1.6-GHz Lock Range, A-SSCC 2018国内報告会, Dec. 2018.
• 瀧脇朋也, 藤島実, 吉田毅, 天川修平, 高野恭弥, 李尚曄. 60GHz帯低電圧低消費電力LC電圧制御発振器, 電子情報通信学会総合大会, Mar. 2018.

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