Publications:

Patent Publications:

· US Patent Application date: 2020/09/25, Publication Date: 2021/04/01, Publication No: US11158945B2, Japanese Patent Application No. JP2019176396A, Application date: 2019/09/27, Publication date: 2021/04/08, Publication No: JP2021057648A, US Application Status: Granted; JP Application Status: Pending; Title: Phased array antenna apparatus and control method therefor; Korkut Kaan Tokgoz (Principal Inventor), Kazuaki Kunihiro, Naoki Oshima; Affiliation (at the time of patent idea generation): NEC, Kawasaki

Dataset Publication:

· H. Ito, K. Takeda, K. K. Tokgoz, L. Minati, M. Fukawa, L. Chao, J. Bartels, I. Rachi, S. A, “Japanese Black Beef Cow Behavior Classification Dataset” 24/09/2021, Zenodo. https://doi.org/10.5281/zenodo.5399259

Journal Publications:

· C. Li, K. K. Tokgoz, J. Bartels, K. Toda, H. Matsushima, T. Ohashi, K. Takeda, H. Ito, “Data Augmentation for Inertial Sensor Data Applied on CNNs for Behavior Monitoring,” IEEE Sensors Letters, vol. 5, no. 11, pp. 1-4, Nov. 2021, Art no. 7003104, doi: 10.1109/LSENS.2021.3119056.

· C. Li, K. K. Tokgoz, A. Okumura, J. Bartels, K. Toda, H. Matsushima, T. Ohashi, K. Takeda, H. Ito, “Data Augmentation for Cow Behavior Estimation Systems,” IEICE Trans. on Fund. of Electron., Comm., and Computer Sciences (Trans. Fundamentals), Vol.E105-A, No.4, pp.-, Apr. 2022. (Accepted to be published, Online advanced publication). https://doi.org/10.1587/transfun.2021SMP0003

· I. Abdo, K. K. Tokgoz, A. Shirane, K. Okada "F-Band Frequency Multipliers with Fundamental and Harmonic Rejection for Improved Conversion Gain and Output Power," IEICE Trans. On Electron., Vol. E105-C, No.3, pp.-, Mar. 2022. (Accepted to be published, Online advanced publication). https://doi.org/10.1587/transele.2021ECP5036

· H. Ito，K. K. Tokgoz，T. Ohashi，K. Takeda, Manuscript originally in Japanese, English Translation of the title: “Monitoring Technology Development for Ultra-Precision Grazing,” The Journal of Institute of Electronics, Information, and Communication Engineers (IEICE), vol. 104, no. 6, pp.544-551, June 2021.

· J. Pang, Z. Li, R. Kubozoe, X. Luo, R. Wu, Y. Wang, D. You, A. A. Fadila, R. Saengchan, T. Nakamura, J. Alvin, D. Matsumoto, B. Liu, A. T. Narayanan, J. Qiu, H. Liu, Z. Sun, H. Huang, K. K. Tokgoz, K. Motoi, N. Oshima, S. Hori, K. Kunihiro, T. Kaneko, A. Shirane, K. Okada, “A 28-GHz CMOS Phased-Array Beamformer Utilizing Neutralized Bi-Directional Technique Supporting Dual-Polarized MIMO for 5G NR,”  IEEE Journal of Solid-State Circuits (JSSC), vol. 55, no.9, pp. 2371-2386, Sep. 2020.

· L. Minati, K. K. Tokgoz, M. Frasca, Y. Koike, L. Ricci, N. Yoshimura, K. Masu, H. Ito, "Distributed Sensing Via Inductively Coupled Single-Transistor Chaotic Oscillators: A New Approach and Its Experimental Proof-of-Concept," IEEE Access, vol. 8, pp. 36536-36555, 24 February 2020.

· J. Pang, K. K. Tokgoz, S. Maki, Z. Li, X. Luo, I. Abdo, S. Kawai, H. Liu, Z. Sun, B. Liu, M. Katsuragi, K. Kimura, A. Shirane, K. Okada, “A 28.16-Gb/s Area-Efficient 60-GHz CMOS Bidirectional Transceiver for IEEE 802.11ay,” IEEE Trans. on Microwave Theory and Techniques (T-MTT), vol. 68, no. 1, pp. 251-262, Jan. 2020.

· K. K. Tokgoz, I. Abdo, T. Fujimura, J. Pang, Y. Kawano, T. Iwai, A. Kasamatsu, I. Watanabe, K. Okada, "A 273-301-GHz Amplifier with 21-dB Peak Gain in 65-nm Standard Bulk CMOS," IEEE Microwave and Wireless Components Letters (MWCL), Vol. 29, No. 5, pp. 342-344, May 2019.

· J. Pang, S. Maki, S. Kawai, N. Nagashima, Y. Seo, M. Dome, H. Kato, M. Katsuragi, K. Kimura, S. Kondo, Y. Terashima, H. Liu, T. Siriburanon, A. T. Narayanan, N. Fajri, T. Kaneko, T. Yoshioka, B. Liu, Y. Wang, R. Wu, N. Li, K. K. Tokgoz, M. Miyahara, A. Shirane, K. Okada, "A 50.1Gb/s 60GHz CMOS Transceiver for IEEE 802.11ay with Calibration of LO Feed-Through and I/Q Imbalance," JSSC, vol. 54, no. 5, pp. 1375-1390, May 2019.

· K. K. Tokgoz, S. Kawai, K. Okada, A. Matsuzawa, "Design of Low-Loss 60GHz Integrated Antenna Switch in 65nm CMOS," IEICE Electronics Express (ELEX), vol. 15, no. 7 pp. 1-10, Mar. 2018.

· R. Wu, R. Minami, Y. Tsukui, S. Kawai, Y. Seo, S. Sato, K. Kimura, S. Kondo, T. Ueno, N. Fajri, S. Maki, N. Nagashima, Y. Takeuchi, T. Yamaguchi, A. Musa, K. K. Tokgoz, T. Siriburanon, B. Liu, Y. Wang, J. Pang, N. Li, M. Miyahara, K. Okada, A. Matsuzawa, "64-QAM 60-GHz CMOS Transceivers for IEEE802.11ad/ay," IEEE JSSC, vol. 52, no. 11, pp. 2871-2891, Nov. 2017.

· A. T. Narayanan, M. Katsuragi, K. Kimura, S. Kondo, K. K. Tokgoz, K. Nakata, W. Deng, K. Okada, A. Matsuzawa, "A Fractional-N Sub-Sampling PLL Using a Pipelined Phase-Interpolator with an FoM of -250dB," IEEE JSSC, vol. 51, no. 7, pp. 1630-1640, Jul. 2016.

· S. Kawai, S. Sato, S. Maki, K. K. Tokgoz, K. Okada, A. Matsuzawa, "Accurate Transistor Modeling by Three-parameter Pad Model for Millimeter-Wave CMOS Circuit Design," T-MTT, vol. 65, no. 6, pp. 1736-1744, Jun. 2016.

· K. K. Tokgoz, K. Lim, S. Kawai, N. Fajri, K. Okada, A. Matsuzawa, "Characterization of Crossing Transmission Line Using Two-Port Measurements for Millimeter-Wave CMOS Circuit Design," IEICE Trans. On Electron., vol. E98-C, no. 1, pp. 35-44, Jan. 2015.

International Conference, Workshop & Seminar Publications (Peer-Reviewed):

· K. K. Tokgoz, K. Okada, "Millimeter-Wave and Sub-Terahertz CMOS Towards 100Gb/s Wireless Communication Systems," (invited to the Workshop: “Enabling Technologies for Efficient Ultra-High-Speed Wireless Communication Systems Towards 100Gb/s”) IEEE MTT-S IMS/RFIC/ARFTG Workshop Series, Atlanta, GA, USA, Jun. 2021.

· J. Bartels, K. K. Tokgoz, M. Fukuwa, S. Otsubo, C. Li, I. Rachi, K. Takeda, H. Ito, “A 216 μW, 87% Accurate Cow Behavior Classifying Decision Tree on FPGA with Interpolated Arctan2,” IEEE International Symposium on Circuits and Systems (ISCAS), Daegu, Korea, pp. 1-5, May 2021.

· I. Abdo, T. Fujimura, T. Miura, K. K. Tokgoz, A. Shirane, K. Okada "A 410mW 34Gb/s 300GHz CMOS Wireless Transceiver," IEEE/ACM Asia South Pacific Design Automation Conf. (ASP-DAC), pp. 3-4, Tokyo, Japan, Jan. 2021.

· R. Onishi, K. Miyamoto, K. K. Tokgoz, N. Ishihara, H. Ito "Capacitive Sensor Circuit with Relative Slope-Boost Method Based on a Relaxation Oscillator," IEEE/ACM ASP-DAC, pp. 5-6, Tokyo, Japan, Jan. 2021.

· K. K. Tokgoz, L. Minati, H. Ito "Current-Starved Chaotic Oscillator Over Multiple Frequency Decades on Low-Cost CMOS: Towards Distributed and Scalable Environmental Sensing with a Myriad of Nodes," IEEE/ACM ASP-DAC, pp. 101-102, Tokyo, Japan, (held Online) Jan. 2021.

· C. Li, K. K. Tokgoz, A. Okumura, J. Bartels, K. Toda, H. Matsushima, T. Ohashi, K. Takeda, H. Ito, “Data Augmentation for Cow Behavior Estimation Systems Based on Neural Network Technology,” IEICE International Workshop on Smart Info-Media Systems in Asia (SISA), RS4-1, pp. 95-100, Online, Dec. 2020.

· K. K. Tokgoz, K. Okada, "Sub-Terahertz 300GHz Amplifier on CMOS for Ultra-High Data-Rate Wireless Communications," (invited) IEEE International Symposium on Radio-Frequency Integration Technology (RFIT), Hiroshima, Japan (attended and presented online), pp. 202-204, Sep. 2020.

· I. Abdo, T. Fujimura, T. Miura, K. K. Tokgoz, H. Hamada, H. Nosaka, A. Shirane, K. Okada " A 300GHz Wireless Transceiver in 65nm CMOS for IEEE802.15.3d Using Push-Push Subharmonic Mixer," IEEE MTT-S International Microwave Symposium (IMS), pp. 623-626, Los Angeles, CA, USA, (held Online) Jun. 2020.

· K. K. Tokgoz, K. Okada, "Millimeter-Wave CMOS Transceiver Toward 1Tbps Wireless Communication," (invited) IEEE International Symposium on Circuits and Systems (ISCAS), Sapporo, Japan, pp. 1-4, May 2019.

· J. Pang, Z. Li, R. Kubozoe, X. Luo, R. Wu, Y. Wang, D. You, A. A. Fadila, R. Saengchan, T. Nakamura, J. Alvin, D. Matsumoto, A. T. Narayanan, B. Liu, H. Liu, Z. Sun, H. Huang, K. K. Tokgoz, N. Oshima, K. Motoi, S. Hori, K. Kunihiro, T. Kaneko, A. Shirane, K. Okada, "A 28GHz CMOS Phased-Array Beamformer Utilizing Neutralized Bi-Directional Technique Supporting Dual-Polarized MIMO for 5G NR," IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, CA, pp. 344-345, Feb. 2019.

· J. Pang, K. K. Tokgoz, S. Maki, Z. Li, X. Luo, I. Abdo, S. Kawai, H. Liu, B. Liu, M. Katsuragi, K. Kimura, A. Shirane, K. Okada, "A 28.16-Gb/s Area-Efficient 60GHz CMOS Bi-Directional Transceiver for IEEE 802.11ay," IEEE Asian Solid-State Circuits Conference (A-SSCC), Tainan, Taiwan, pp. 77-78, Nov. 2018.

· K. K. Tokgoz, S. Maki, J. Pang, N. Nagashima, I. Abdo, S. Kawai, T. Fujimura, Y. Kawano, T. Suzuki, T. Iwai, K. Okada, A. Matsuzawa, "A 120Gb/s 16QAM CMOS Millimeter-Wave Wireless Transceiver," IEEE ISSCC, San Francisco, CA, pp. 168-169, Feb. 2018.

· R. Wu, R. Minami, Y. Tsukui, S. Kawai, Y. Seo, S. Sato, K. Kimura, S. Kondo, T. Ueno, N. Fajri, S. Maki, N. Nagashima, Y. Takeuchi, T. Yamaguchi, A. Musa, K. K. Tokgoz, T. Siriburanon, B. Liu, Y. Wang, J. Pang, N. Li, M. Miyahara, K. Okada, A. Matsuzawa, "Ultra-High-Data-Rate 60-GHz CMOS Transceiver for Future Radio Access Network," (invited) IEEE International Conference on ASIC (ASICON), Guiyang, China, Oct. 2017.

· K. K. Tokgoz, S. Kawai, K. Okada, A. Matsuzawa, “A Low-Loss 60GHz Integrated Antenna Switch in 65nm CMOS,” IEEE RFIT, pp. 50-52, Seoul, Korea, Aug. 2017 (Student Paper Finalist).

· I. Abdo, K. K. Tokgoz, T. Fujimura, K. Okada, A. Matsuzawa, “Comparison Between L-2L and Thru-Reflect-Line De-embedding Methods for W-Band CMOS Amplifier Design,” IEEE RFIT, pp. 34-36, Seoul, KR, Aug. 2017.

· I. Abdo, K. K. Tokgoz, T. Fujimura, K. Okada, A. Matsuzawa, “A 100-123GHz CMOS Frequency Doubler with 5.5dBm Output Power and High Fundamental Rejection,” IEEE RFIT, pp. 138-140, Seoul, Korea, Aug. 2017 (Best Student Paper Award).

· J. Pang, S. Maki, S. Kawai, N. Nagashima, Y. Seo, M. Dome, H. Kato, M. Katsuragi, K. Kimura, S. Kondo, Y. Terashima, H. Liu, T. Siriburanon, A. T. Narayanan, N. Fajri, T. Kaneko, T. Yoshioka, B. Liu, Y. Wang, R. Wu, N. Li, K. K. Tokgoz, K. Okada A. Matsuzawa, “A 128-QAM 60GHz CMOS Transceiver for IEEE802.11ay with Calibration of LO Feedthrough and I/Q Imbalance,” IEEE ISSCC, pp. 424-425, San Francisco, CA, Feb. 2017.

· K. K. Tokgoz, J. Pang, S. Maki, K. Okada, A. Matsuzawa, “A 60GHz Bi-Directional CMOS Transceiver for MIMO Application,” IEEE ISSCC Student Research Preview (SRP), San Francisco, CA, Feb. 2017. (Student Travel Grant Awardee)

· K. K. Tokgoz, S. Maki, S. Kawai, N. Nagashima, Y. Kawano, T. Suzuki, T. Iwai, K. Okada, A. Matsuzawa, "W-Band Ultra-High Data-Rate 65nm CMOS Wireless Transceiver," IEEE/ACM ASP-DAC University LSI Design Contest (UDC), pp. 5-6, Chiba, Japan, Jan. 2017. (Best Design Award)

· K. K. Tokgoz, S. Maki, S. Kawai, N. Nagashima, J. Emmei, M. Dome, H. Kato, J. Pang, Y. Kawano, T. Suzuki, T. Iwai, Y. Seo, K. Lim, S. Sato, N. Li, K. Nakata, K. Okada, A. Matsuzawa, “A 56Gb/s W-Band CMOS Wireless Transceiver,” IEEE ISSCC, pp. 242-243, San Francisco, CA, Feb. 2016.

· A. T. Narayanan, M. Katsuragi, K. Kimura, S. Kondo, K. K. Tokgoz, Y. Terashima, W. Deng, K. Okada, A. Matsuzawa, “A Fractional-N Sub-Sampling PLL using a Pipelined Phase-Interpolator with an FoM of -246dB,” IEEE European Solid-State Circuits Conference (ESSCIRC), pp. 1630-1640, Graz, Austria, Sep. 2015.

• Seven (7) more as a first author, and one (1) more as a co-author peer-reviewed & presented Int’l. Conf.

International and Domestic Invited Talks:

· K. K. Tokgoz “Edge-AI based ultra-low power cow behavior monitoring for precision livestock management and animal welfare assessment,” Guest Lecturer, Lectures conducted by Assoc. Prof. Ludovico Minati, The Free University of Bozen-Bolzano, Italy, 11.05.2021. (invited-online).

· K. K. Tokgoz “Accurate Active and Passive Device Characterization Approaches on CMOS up to sub-THz Frequencies for Ultra-High Data-Rate Wireless Links,” EE-Seminar, Faculty of Engineering and Natural Sciences (FENS), Sabanci University, 26.03.2021. (Invited-online).

· K. K. Tokgoz, H. Ito, “Application of Film Bulk Acoustic Resonator for Millimeter-Wave and Sub-Terahertz Regime CMOS Transceivers,” Piezoelectric Materials and Devices Symposium, Tohoku Uni., Jan. 2020 (invited).

· K. K. Tokgoz “Millimeter-Wave and Sub-Terahertz CMOS Toward 100Gb/s Wireless Communication System,” EE-Seminar, FENS, Sabanci University, 23.12.2019. (invited).

· K. K. Tokgoz, “Millimeter-Wave and Sub-Terahertz CMOS Toward 100Gb/s Communication System,” invited talk in FBK, Trentino, Italy for networking and collaboration investigations, Nov. 2019.

• Five (5) other international conference or symposium presentations (papers submitted, not peer-reviewed).
• Twenty-six (26) domestic conference, workshops and seminar publications and presentations (oral or poster).