Gaussian Monocycle Pulse Transmitter Using 0.18 µm CMOS Technology With On-Chip Integrated Antennas for Inter-Chip UWB Communication. - Takamaro Kikkawa; Pran Kanai Saha; Nobuo Sasaki; Kentaro Kimoto (IEEE J. Solid State Circuits, 2008)

CMOS scaling and beyond. - Takamaro Kikkawa; Jordan Lai (CICC, 2009)

A Single-Chip Ultra-Wideband Receiver With Silicon Integrated Antennas for Inter-Chip Wireless Interconnection. - Nobuo Sasaki; Kentaro Kimoto; Wataru Moriyama; Takamaro Kikkawa (IEEE J. Solid State Circuits, 2009)

A simple non-coherent solution to the UWB-IR communication. - Mohiuddin Hafiz; Nobuo Sasaki; Kentaro Kimoto; Takamaro Kikkawa (ASP-DAC, 2011)

5 Gbps BPSK CMOS transmitter with on-chip antenna using Gaussian monocycle pulses. - Shinichi Kubota; Nobuo Sasaki; Mohiuddin Hafiz; Akihiro Toya; Takamaro Kikkawa (CICC, 2011)

Design of multi-channel wireless NoC to improve on-chip communication capacity! - Dan Zhao 001; Yi Wang 007; Jian Li 059; Takamaro Kikkawa (NOCS, 2011)

A 2 Gb/s 1.8 pJ/bit Differential BPSK UWB-IR Transmitter Using 65 nm CMOS Technology. - Mohiuddin Hafiz; Shinichi Kubota; Nobuo Sasaki; Kentaro Kimoto; Takamaro Kikkawa (IEICE Trans. Electron., 2011)

A 1 Gb/s 3.8 pJ/bit Differential Input BPSK Detection Scheme for UWB-IR Communication Using 180 nm CMOS Technology. - Mohiuddin Hafiz; Nobuo Sasaki; Takamaro Kikkawa (IEICE Trans. Electron., 2011)

A 500 Mb/s Differential Input Non-coherent BPSK Receiver for UWB-IR Communication. - Mohiuddin Hafiz; Nobuo Sasaki; Takamaro Kikkawa (IEICE Trans. Electron., 2011)

A ring-VCO-based sub-sampling PLL CMOS circuit with -119 dBc/Hz phase noise and 0.73 ps jitter. - Kenta Sogo; Akihiro Toya; Takamaro Kikkawa (ESSCIRC, 2012)

A ring-VCO-based sub-sampling PLL CMOS circuit with 0.73 ps jitter and 20.4 mW power consumption. - Kenta Sogo; Akihiro Toya; Takamaro Kikkawa (ASP-DAC, 2013)

Improved Beamforming Algorithm for Imaging Reconstruction for Early Breast Cancer Detection by UWB. - Li Xu; Xia Xiao; Takamaro Kikkawa (J. Circuits Syst. Comput., 2013)

Ultra-wide band microwave image reconstruction for early breast cancer detection by norm constrained capon beamforming. - Li Xu; Xia Xiao; Takamaro Kikkawa (Math. Comput. Model., 2013)

A 17 GHz bandwidth 1.2 mW CMOS switching matrix for UWB breast cancer imaging. - Afreen Azhari; Takumi Sugitani; Kenta Sogo; Takamaro Kikkawa; Xia Xiao (BioCAS, 2014)

Tumor response extraction based on ensemble empirical mode decomposition for early breast cancer detection by UWB. - Qinwei Li; Xia Xiao; Hang Song 001; Liang Wang; Takamaro Kikkawa (BioCAS, 2014)

CMOS equivalent time sampling of Gaussian monocycle pulse for confocal imaging. - Y. Seo; Kenta Sogo; Akihiro Toya; Takumi Sugitani; Afreen Azhari; X. Xiao; Takamaro Kikkawa (BioCAS, 2014)

Design technology co-optimization for 10 nm and beyond. - Takamaro Kikkawa; Rajiv V. Joshi (CICC, 2014)

Comparative study on dielectric constants and conductivities of invasive ductal carcinoma tissues. - Takumi Sugitani; Koji Arihiro; Takamaro Kikkawa (EMBC, 2015)

IEEE Access Special Section Editorial: Bio-Compatible Devices and Bio-Electromagnetics for Bio-Medical Applications. - Ladislau Matekovits; Takamaro Kikkawa; Ildiko Peter; Karu Priyathama Esselle (IEEE Access, 2015)

A Radar-Based Breast Cancer Detection System Using CMOS Integrated Circuits. - Hang Song 001; Hayato Kono; Yuji Seo; Afreen Azhari; Junichi Somei; Eiji Suematsu; Yuichi Watarai; Toshihiko Ota; Hiromasa Watanabe; Yoshinori Hiramatsu; Akihiro Toya; Xia Xiao; et al. (IEEE Access, 2015)

I(Re)2-WiNoC: Exploring scalable wireless on-chip micronetworks for heterogeneous embedded many-core SoCs. - Dan Zhao 001; Yi Wang 007; Hongyi Wu; Takamaro Kikkawa (Digit. Commun. Networks, 2015)

Direct Extraction of Tumor Response Based on Ensemble Empirical Mode Decomposition for Image Reconstruction of Early Breast Cancer Detection by UWB. - Qinwei Li; Xia Xiao; Liang Wang; Hang Song 001; Hayato Kono; Peifang Liu; Hong Lu; Takamaro Kikkawa (IEEE Trans. Biomed. Circuits Syst., 2015)

DC-20 GHz differential transmit/receieve DP4T switching matrix for radar-based target detection. - Afreen Azhari; Takamaro Kikkawa (APCCAS, 2016)

Differential equivalent time sampling receiver for breast cancer detection. - Yoshihiro Masui; Akihiro Toya; Mitsutoshi Sugawara; Tomoaki Maeda; Masahiro Ono; Yoshitaka Murasaka; Atsushi Iwata; Takamaro Kikkawa (BioCAS, 2017)

Investigation of phase noise and jitter in CMOS sampling clock generation circuits for time-domain breast cancer detection system. - Akihiro Toya; Yoshihiro Masui; Mitsutoshi Sugawara; Tomoaki Maeda; Masahiro Ono; Yoshitaka Murasaka; Atsushi Iwata; Takamaro Kikkawa (BioCAS, 2017)

Gaussian Monocycle Pulse Generator with Calibration Circuit for Breast Cancer Detection. - Yoshihiro Masui; Akihiro Toya; Mitsutoshi Sugawara; Tomoaki Maeda; Masahiro Ono; Yoshitaka Murasaka; Atsushi Iwata; Takamaro Kikkawa (BioCAS, 2018)

Shifting Clock Jitter and Phase Interval for Impulse-Radar-Based Breast Cancer Detection. - Akihiro Toya; Takamaro Kikkawa; Yoshihiro Masui; Mitsutoshi Sugawara; Hiroyuki Ito; Tomoaki Maeda; Masahiro Ono; Yoshitaka Murasaka; Toshifumi Imamura; Atsushi Iwata (BioCAS, 2019)

A 2- to 12-GHz 65-nm transmit/receive CMOS DP8T switching matrix for ultra-wideband antenna arrays. - Afreen Azhari; Takamaro Kikkawa (Int. J. Circuit Theory Appl., 2019)

Detectability of Breast Tumors in Excised Breast Tissues of Total Mastectomy by IR-UWB-Radar-Based Breast Cancer Detector. - Hang Song 001; Shinsuke Sasada; Norio Masumoto; Takayuki Kadoya; Noriyuki Shiroma; Makoto Orita; Koji Arihiro; Morihito Okada; Takamaro Kikkawa (IEEE Trans. Biomed. Eng., 2019)

WiEps: Measurement of Dielectric Property With Commodity WiFi Device - An Application to Ethanol/Water Mixture. - Hang Song 001; Bo Wei 001; Qun Yu; Xia Xiao; Takamaro Kikkawa (IEEE Internet Things J., 2020)

CMOS Gaussian Monocycle Pulse Transceiver for Radar-Based Microwave Imaging. - Takamaro Kikkawa; Yoshihiro Masui; Akihiro Toya; Hiroyuki Ito; Takuichi Hirano; Tomoaki Maeda; Masahiro Ono; Yoshitaka Murasaka; Toshifumi Imamura; Tsuyoshi Matsumaru; Michimasa Yamaguchi; Mitsutoshi Sugawara; et al. (IEEE Trans. Biomed. Circuits Syst., 2020)

A Two-Stage Rotational Surface Clutter Suppression Method for Microwave Breast Imaging With Multistatic Impulse-Radar Detector. - Hang Song 001; Shinsuke Sasada; Norio Masumoto; Takayuki Kadoya; Morihito Okada; Koji Arihiro; Xia Xiao; Takamaro Kikkawa (IEEE Trans. Instrum. Meas., 2020)

An adaptive window-based hybrid artifact removal method for Ultra-Wide Band imaging enhancement of early breast cancer detection. - Guancong Liu; Xia Xiao; Hang Song 001; Min Lu; Takamaro Kikkawa (Biomed. Signal Process. Control., 2021)

Accurate construction of 3-D numerical breast models with anatomical information through MRI scans. - Min Lu; Xia Xiao; Hang Song 001; Guancong Liu; Hong Lu; Takamaro Kikkawa (Comput. Biol. Medicine, 2021)

Precise detection of early breast tumor using a novel EEMD-based feature extraction approach by UWB microwave. - Guancong Liu; Xia Xiao; Hang Song 001; Takamaro Kikkawa (Medical Biol. Eng. Comput., 2021)

Precise Noninvasive Estimation of Glucose Using UWB Microwave With Improved Neural Networks and Hybrid Optimization. - Xia Xiao; Qun Yu; Qinwei Li; Hang Song 001; Takamaro Kikkawa (IEEE Trans. Instrum. Meas., 2021)

Combined Approach to Estimate Blood Glucose Level in Noninvasive Monitoring: Ultra-Wide Band Microwave and Cascaded General Regression Neural Network. - Zengxiang Wang; Xia Xiao; Chenxi Yang; Takamaro Kikkawa (IEEE Trans. Ind. Informatics, 2022)

RSSI-CSI Measurement and Variation Mitigation With Commodity Wi-Fi Device. - Bo Wei 001; Hang Song 001; Jiro Katto; Takamaro Kikkawa (IEEE Internet Things J., 2023)

Ultra-wideband microwave imaging for breast tumor screening using step recovery diode-based pulse generator. - Guancong Liu; Xia Xiao; Min Lu; Xuhui Zang; Xiaofeng Zhang; Takamaro Kikkawa (Int. J. Circuit Theory Appl., 2024)

Cross-Correlation of Confocal Images for Excised Breast Tissues of Total Mastectomy. - Hang Song 001; Shinsuke Sasada; Takayuki Kadoya; Koji Arihiro; Morihito Okada; Xia Xiao; Tomomi Ishikawa; Declan O'Loughlin; Jun-ichi Takada; Takamaro Kikkawa (IEEE Trans. Biomed. Eng., 2024)

Small Distance Increment Method for Measuring Complex Permittivity With mmWave Radar. - Hang Song 001; Hyun Joon Kim; Mingxia Wan; Bo Wei 001; Takamaro Kikkawa; Jun-ichi Takada (IEEE Trans. Instrum. Meas., 2025)