Papers

List of papers

2020年

Academic journals (reviewed)

2019年

Academic journals (reviewed)

2018年

Academic journals (reviewed)

・K. Akimoto, S. Kameda and N. Suematsu, “Optimum Allocation Scheme for User Fairness of Location-Based Virtual Sector Method Solving Hidden Terminal Problem in WLAN,” IEEE Transactions on Vehicular Technology (Early Access), June 2018.

・T. Maehata, S. Kameda, and N. Suematsu, “Asymmetrical waveform compensation for concurrent dual-band 1-bit band-pass delta-sigma modulator with a quasi-elliptic filter,” IEICE Trans. Communications Vol.E101-B,No.6,pp.1352-1358, June, 2018.

・T. Maehata, S. Kameda, and N. Suematsu, “A line coding for digital RF transmitter using a 1-bit band-pass delta-sigma modulator,” IEICE Trans. Communications Vol.E101-B,No.11,pp.-,Nov. 2018.

International Conference

・J. Zhang, M. Kazuno, M. Motoyoshi, S. Kameda, N.Suematsu, “A 26 GHz-Band Image Enhancement Type 1-Bit DAC for Direct Digital RF Modulator, ” Asia-Pasific Microwave Conference 2018 (APMC2018), 6-9, Nov. 2018.

・K. Akimoto, M. Motoyoshi, S. Kameda and N. Suematsu, “Measurement of on-body propagation loss for directional millimeter-wave WBAN,” Proceeding of Global Symposium on Millimeter Waves (GSMM) 2018, May 2018.

・M. Kazuno, M. Motoyoshi, S. Kameda, N. Suematsu, 26 GHz-Band Direct Digital Signal Generation by a Manchester Coding 1-Bit Band-Pass Delta-Sigma Modulator using It’s 7th Nyquist Zone,”Global Symposium on Millimeter-Waves 2018 (GSMM2018), 22-24 May 2018.

・M. Motoyoshi, S. Kameda, N. Suematsu, “57 GHz 130 uW CMOS Millimeter-Wave Oscillator for Ultra Low Power Sensor Node,” 11th Global Symposium on Millimeter-Waves (GSMM2018), May. 2018.

・ N. Suematsu, “Direct Digital RF Technology – Challenges for Beyond Nyquist Frequency Range,” 2018 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT), FR4-02, Aug.2018. (Invited)

・ N. Yoshino, K. Norishima, M. Motoyoshi, S. Kameda, N. Suematsu, “A 28 GHz-Band Direct RF Undersampling S/H CMOS IC with 40 dB SNR,” 2018 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT),TH2-04, Aug.2018.

・T. Ohsawa, T. Maruyama, M. Omiya, N. Suematsu, “Design of Dual-frequency Reflectarray Using Particle Swam Optimization,” 2018 International Symposium on Antennas and Propagation (ISAP), FrP-15, 2018.

・D. Kholodnyak, N. Suematsu, “Design of Small-Size Bandstop Filters with Lumped-Element Immittance Inverters on Artificial Transmission Lines,” 2018 Asia Pacific Microwave Conference (APMC), pp.1076-1078, Nov. 2018.

・T. Furuichi, M. Motoyoshi, S. Kameda, N. Suematsu, “A Study on Direct RF Undersampling Receiver Configuration Considering Timing Skew Spurs Using Time-Interleaved ADC,” 2018 Asia Pacific Microwave Conference (APMC), pp. 1525-1527, Nov. 2018.

・K. Mayama, K. Akimoto, S. Kameda, N. Suematsu, “Evaluation of Link Level Performance Considering EVM of Transmit Signal for Downlink NOMA,” 2018 Asia Pacific Microwave Conference (APMC), pp. 774-776, Nov. 2018.

2017年

Academic journals (reviewed)

・T. Maehata, S. Kameda, and N. Suematsu, “1-bit band-pass delta-sigma modulator with parallel IIR form for concurrent multiband digital transmitter,” IEICE Trans. Communications Vol.E100-B, No.7, pp.1152-1159, July, 2017.

・T. Maehata, S. Kameda, and N. Suematsu, “Cancellation for asymmetrical waveform in 1-bit bandpass delta-sigma modulators,” IEICE Trans. Communications vol.E100-B, no.6, pp.1017-1022, June, 2017.

International Conference

・K. Akimoto, M. Motoyoshi, S. Kameda and N. Suematsu, “Measurement of human body blocking at 60 GHz for inter-network interference of mmWave WBAN,” Proceeding of 2017 IEEE Asia Pacific Microwave Conference (APMC), Nov. 2017.

・M. Kazuno, M. Motoyoshi, S. Kameda, N. Suematsu, A Study on the SNR in Higher Nyquist Zone of 1-Bit Low-Pass Delta-Sigma RZ-DAC,” Proceeding of 2017 IEEE Asia Pacific Microwave Conference (APMC), 13-16 Nov. 2017.

・N.Takeda, T. Saito, M. Motoyoshi, S. Kameda, N. Suematsu, ”Differential Pair Feed Line Design for a Millimeter- Size Antenna for In-Body/Out-Body Dual Usage,” Proceeding of 2017 IEEE Asia Pacific Microwave Conference (APMC), 13-16 Nov 2017.

・N. Yoshino, H. Oguma, S. Kameda N. Suematsu, “Feasibility Study of Expansion of OpenFlow Network Using Satellite Communication to Wide Area,” 2017 Ninth International Conference on Ubiquitous and Future Networks(ICUFN), 4-7 July 2017.

・M. Kazuno, M. Motoyoshi, S. Kameda, N. Suematsu, A 18.6 GHz Locking Range, 60GHz Band Varactor-Tuned Injection Locked Frequency Divider in 65 nm CMOS,” Global Symposium on Millimeter-Waves 2017 (GSMM2017),24-26 May 2017.

・H. Fukudome, K. Akimoto, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “Modeling indoor-outdoor propagation in wooden residential area at 2.5 GHz and 3.5 GHz bands, 2017 International Conference on Computing,” Networking and Communications (ICNC) , pp.277-281, 2017

・K. Ohya, S. Kameda, H. Oguma, N. Suematsu, “Experimental evaluation of transmission timing control method for QZSS short message synchronized SS-CDMA communication,” 2017 Ninth International Conference on Ubiquitous and Future Networks (ICUFN), pp.361-366, 2017.

・N. Suematsu, T. Owada, T. Koizumi, M. Motoyoshi, S. Kameda, “A Ku-band direct RF undersampling receiver with an intermittent-mode amplifier,” 2017 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT), pp.217-219, 2017.

・T. Maruyama, T. Shimano, Q. Chen, S. Kameda, N. Suematsu, “Novel reflected beam switching method using meta-surface loaded with active elements,” 2017 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC), pp.300-301, 2017.

・S. Tatsuguchi, Y. Oshima, H. Oguma, S. Kameda, N. Suematsu, “Influence of multi path on positioning accuracy in a low sky view factor environment,” 2017 International Conference on Information and Communication Technology Convergence (ICTC), pp.264-267, 2017.

・R. Kawai, H. Oguma, S. Kameda, N. Suematsu, “Construction of transmission timing control system using FPGA for QZSS short message synchronized SS-CDMA communication,” 2017 International Conference on Information and Communication Technology Convergence (ICTC), pp.217-222, 2017.

2016年

Academic journals (reviewed)

・T. Maehata, S. Kameda, N. Suematsu, “1-bit Feedforward Distortion Compensation Technology for Bandpass Delta-Sigma Modulation,” IEICE TRANSACTIONS on Communications, pp.1087-1092, 2016

International Conference

・K. Akimoto, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “Evaluation of Location-Based Virtual Sector Method for Hidden Terminal Problem in WLAN, ” SmartCom2016 in Finland, May 2016

・H. Fukudome, K. Akimoto, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “Measurement of 3.5 GHz Band Small Cell Indoor-Outdoor Propagation: Visualization Method of RSSI in 3-dimensional Geospace,” SmartCom2016 in FInland, May 2016

・M. Kazuno, M. Motoyoshi, S. Kameda, N. Suematsu, “A 50 GHz-Band Varactor-Tuned Injection Locked Dynamic Frequency Divider in 65 nm CMOS,” 2016 Thailand-Japan MicroWave (TJMW2016), June 2016
[Young Researcher Encouragement Award 受賞]

・T. Koizumi, T. Owada, M. Motoyoshi, S. Kameda, N. Suematsu, “A 0.4-ns power switching Ku-band amplifier for direct RF undersampling receiver,” 2016 Global Symposium on Millimeter Waves (GSMM), pp.1-4, 2016

・H. Fukudome, K. Akimoto, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “Measurement of 3.5 GHz Band Small Cell Indoor-Outdoor Propagation in Multiple Environments,” European Wireless 2016&22th European Wireless Conference, pp.1-6, 2016

・K. Ohya, T. Takahashi, S. Kameda, H. Oguma, A. Taira, N. Suematsu, T. Takagi, K. Tsubouchi, “Efficient random access control scheme with reservation channel for QZSS short message SS-CDMA communication,” 2016 IEEE Wireless Communications and Networking Conferenc, pp.-, 2016

・N. Suematsu, T. Koizumi, M. Motoyoshi, S. Kameda, “A Low Power Consumption Direct RF Undersampling Receiver Using Continuous-Mode / Intermittent-Mode Hybrid LNA Structure,” Radio-Frequency Integration Technology (RFIT), 2016, pp.-, 2016

・M. Motoyoshi, T. Maehata, S. Kameda, N. Suematsu, “High SNR CMOS S/H IC for Multi-Carrier Direct RF Under Sampling Receiver,” Radio-Frequency Integration Technology (RFIT), 2016, pp.-, 2016

・T. Maruyama, S. Endo, Q. Chen, S. Kameda, N. Suematsu, “Reflectarray design for small antenna using meta-surface,” 2016 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) , pp.250-251, 2016

・M. Motoyoshi, W. Ye, S. Kameda, N. Suematsu, “Side coaxial connector feed design for a millimeter-wave patch antenna measurement,” 2016 International Symposium on Antennas and Propagation (ISAP), pp.1046-1047, 2016

・K. Ohya, S. Kameda, H. Oguma, A. Taira, N. Suematsu, T. Takagi, K. Tsubouchi, “Experimental evaluation of timing synchronization accuracy for QZSS short message synchronized SS-CDMA communication,” 2016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC) , pp.1-6, 2016

・T. Saito, M. Motoyoshi, S. Kameda, N. Suematsu, “Operational frequencies of in-body/out-body dual use antenna for tablet/pill implementation,” 2016 International Symposium on Antennas and Propagation (ISAP), pp.1040-1041, 2016

・K. Norishima, T. Koizumi, M. Motoyoshi, S. Kameda, N. Suematsu, “An image rejection type Ku-band direct RF undersampling CMOS receiver,” 2016 Global Symposium on Millimeter Waves (GSMM) & ESA Workshop on Millimetre-Wave Technology and Applications, pp.1-4, 2016

・Maruyama, Q. Chen, S. Kameda, N Suematsu, “Design of Dual-Band Reflectarray using Genetic Algorithm,” 2016 International Symposium on Antennas and Propagation (ISAP 2016), pp.644-645, 2016.

2015

Academic journals (reviewed)

・T. T.Ta, S. Tanifuji, A. Taira, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “A Millimeter-Wave WPAN Adaptive Phased Array Control Method Using Low-Frequency Part of Signal for Self-Directed System,” IEEE Trans. MTT, vol.63, no.8, pp.2682-2691, 2015.

・D. Daliso, M. Motoyoshi, T. Koizumi, O. Wada, T.T.Ta, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “1/2fs Direct RF Under Sampling Receiver for Multi Channel Satellite Systems,” IEICE Trans. Electon., vol.E98-C no.7, pp.669-676, 2015.

・三宅　裕士, 平　明徳, 亀田　卓, 小熊　博, 末松　憲治, 高木　直, 坪内　和夫，“QZSSショートメッセージSS-CDMA通信システムにおける時間・周波数精度を考慮した伝送特性,”信学論, vol.J98-B, No.4, pp.397-405, 2015.

・窪庭　純平, 三宅　裕士, 平　明徳, 亀田　卓, 小熊　博, 末松　憲治, 高木　直, 坪内　和夫，“異種無線融合システムにおける位置情報を用いたネットワーク選択手法のユーザスループット特性,”信学論, vol.J98-B, No.7, pp.611-624, 2015.

・H. Oguma, A. Koizumi, K. Norishima, J. Kuboniwa, Y. Miyake, S. Kameda, A. Taira, N. Suematsu, T. Takagi, and K. Tsubouchi, “Channel quality map construction scheme using location information for heterogeneous wireless network,” Studies in Sci. and Tech., vol. 4(1), pp.83-90, July 2015.

International conferences (reviewed)

・J. Kuboniwa, Y. Miyake, S. Kameda, A. Taira, H. Oguma, N. Suematsu, T. Takagi, and K. Tsubouchi, “High Efficient Network Selection Scheme Using Location Information for Heterogeneous Wireless System,” 8th International WDN Workshop on Cooperative and Heterogeneous Cellular Networks (WDN-CN2015) to be held in conjunction with IEEE Wireless Communications and Networking Conference (WCNC2015), pp.391-396, March 2015.

・H. Mizutani, E. Taniguchi, M. Tsuru, R. Inagaki, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “An optimum inductive matched cascode LNA in 60GHz-band,” 2015 IEEE Radio-Frequency Integration Technology (RFIT 2015), pp.28-30, Aug. 2015.

・T. Owada, M. Motoyoshi, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “RFIC flip-chip interconnection using a fiber type anisotropic conductive film,” 2015 IEEE Radio-Frequency Integration Technology (RFIT 2015), pp.118-120, Aug. 2015.

・M. Motoyoshi, M. Nakamura, Surugu Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “Self-directed beamforming IF receiver for broadband communication using low frequency loop control,” 2015 IEEE Radio-Frequency Integration Technology (RFIT2015), pp.145-147, Aug. 2015.

・N. Suematsu, O. Wada, S. Kameda, T. Takagi, K. Tsubouchi, “A 0.8-1.9GHz-band CMOS direct digital RF quadrature modulator,” 2015 IEEE Radio-Frequency Integration Technology (RFIT2015), pp.148-150, Aug. 2015.

・K. Akimoto, S. Kameda, A. Taira, N. Suematsu, T. Takagi, K. Tsubouchi, “Location-based virtual sector method for interference control in WLAN multicell environment,” 2015 Int. Conference on Information and Communication Technology Convergence (ICTC2015), pp.451-456, Oct. 2015

・H. Oguma, K. Norishima, K. Suehiro, S. Kameda, N. Suematsu, “Measured evaluation of positioning accuracy on GNSS for heterogeneous wireless system,” 2015 Int. Conference on Information and Communication Technology Convergence (ICTC2015), pp.442-445, Oct. 2015.

・N. Oshima, I. Ando, Y. Kitagishi, E. Matsumura, S. Kameda, N. Suematsu, K. Kunihiro, “A X-Band Reconfigurable Phased Array Antenna System Using 0.13-um SiGe BiCMOS IC with 5-Bit IF Phase Shifters,” 2015 IEEE Compound Semiconductor Integrated Circuit Symposium (CSICS 2015), R.1, Oct. 2015.

・T. Koizumi, M. Motoyoshi, Daliso Banda, Osamu Wada, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “A Ku-band series/shunt switching type S/H IC for direct RF under sampling reception,” 2015 45th European Microwave Conference (EuMC2015), pp.897-900, Nov. 2015.

・T. Koizumi, K. Norishima, M. Motoyoshi, Daliso Banda, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “A CMOS Series/Shunt Switching Type S/H IC for Ka-Band Direct RF Under Sampling Receive,” 2015 Asia-Pacific Microwave Conference (APMC2015), MO1H-P.19, Dec. 2015.

・Q. Liu, J. Kuboniwa, S. Kameda, A. Taira, N. Suematsu, T. Takagi, K. Tsubouchi, “Traffic Navigation Using Positioning Information and Channel Quality Map for System-Wide Load Balancing,” 2015 Asia-Pacific Microwave Conference (APMC2015), MO2C-4, Dec. 2015.

・N. Suematsu, S. Kameda, M. Motoyoshi, “Direct RF undersampling receiver for high-SHF band digital beam forming,” 2015 IEEE MTT-S International Microwave and RF Conference (IMaRC2015), pp.133-135, Dec. 2015. (Invited)

・N. Suematsu, S. Kameda, Y. Miyake, T. Takahashi, A. Taira, T. Takagi, K. Tsubouchi, “QZSS SS-CDMA Location and Short Message Communication System,” The 18th International Symposium on Wireless Personal Multimedia Communications (WPMC’15), Dec. 2015.

International conferences (invited)

・N. Suematsu, M. Motoyoshi, S. Yoshida, Y. Suzuki, W. Ye, S. Kameda, T. Takagi, K. Tsubouchi, “A 60GHz Band 3-D Phased Array Antenna Module for Beam Forming W-PAN receivers,” 2015 Thailand-Japan MicroWave (TJMW2015), SA2-02, Aug. 2015.

・N. Suematsu, S. Kameda, M. Motoyoshi, “Direct RF undersampling receiver for high-SHF band digital beam forming,” 2015 IEEE MTT-S International Microwave and RF Conference (IMaRC2015), pp.133-135, Dec. 2015.

2014

Academic journals (reviewed)

・N. Suematsu, Y. Suzuki, S. Yoshida, S. Tanifuji, S. Kameda, T. Takagi, and K. Tsubouchi, “A 60-GHz-band 2 x 4 Planar Dipole Array Antenna Module Fabricated by 3-D SiP Technology,” IOP Conf. Series: Materials Science and Engineering, 61 (2014) 012036 (Invited).

・高橋 智英，三宅 裕士，亀田 卓，平 明徳，山形 文啓，小熊 博，末松 憲治，高木 直，坪内 和夫，“QZSS ショートメッセージ SS-CDMA 通信システム: フラグ信号を用いた高効率アクセス制御方式,” 信学論, Vol.J97-B, No.11, pp.1096-1105, Nov. 2014.

International conferences (reviewed)

・Y. Suzuki, S. Yoshida, S. Kameda, N. Suematsu, A. Taira, T. Takagi, K. Tsubouchi, “Hetero-Plane Beam Synthesis Using 60 GHz Band 3-D Phased Array Antenna Module,” 2014 IEEE Radio and Wireless Symposium (RWS2014), pp.34-36, Newport Beach, USA, Jan. 2014.

・M. Huang, Y. Miyake, S. Kameda, A. Taira, N. Suematsu, T. Takagi, and K. Tsubouchi, “A Proposal of WLAN Control Scheme Using Separated Channel,”7th International WDN Workshop on Cooperative and Heterogeneous Cellular Networks (WDN-CN2014) to be held in conjunction with IEEE 26th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC2014), Sept. 2014.

・J. Kuboniwa, Y. Miyake, S. Kameda, A. Taira, N. Suematsu, T. Takagi, and K. Tsubouchi, “A Novel Cell Selection Scheme Using Positioning Information for Heterogeneous Wireless System,”7th International WDN Workshop on Cooperative and Heterogeneous Cellular Networks (WDN-CN2014) to be held in conjunction with IEEE 26th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC2014), Sept. 2014.

・R. Inagaki, T. Tanaka, M. Tsuru, E. Taniguchi, H. Fukumoto, S. Kameda, N. Suematsu, A. Taira, T. Takagi, and K. Tsubouchi, “A 5GHz/60GHz Receiver Front-End CMOS IC in 90nm CMOS Technology,” 2014 European Microwave Integrated Circuits Conference (EuMIC2014), pp.21-24, Roma, Oct. 2014.

・K. Terajima, K. Fujii, T. Sonoda, T. Takagi, E. Nakayama, S. Kameda, N. Suematsu, and K. Tsubouchi,“A 2.0 GHz CMOS Triple Cascode Push-Pull Power Amplifier with Second Harmonic Injection for Linearity Enhancement,” 44th European Microwave Conference (EuMC2014), pp.1265-1268, Roma, Oct. 2014.

・K. Terajima, K. Fujii, T. Sonoda, T. Takagi, E. Nakayama, S. Kameda, N. Suematsu, and K. Tsubouchi, “Linearization of CMOS Triple Cascode Push-Pull Power Amplifiers by Second Harmonic Feedback,”2014 Asia-Pacific Microwave Conference (APMC2014), pp.107-109, Nov. 2014.

・S. Kameda, T. Okuguchi, S. Eguchi, and N. Suematsu,“Development of Satellite-Terrestrial Multi-Mode VSAT Using Software Defined Radio Technology,”2014 Asia-Pacific Microwave Conference (APMC2014), pp.411-413, Nov. 2014.

・T. Koizumi, M. Motoyoshi, D. Banda, O. Wada, S. Kameda, N. Suematsu, T. Takagi, and K. Tsubouchi, “A Series/Shunt Switching Type Sample and Hold CMOS IC for 1GHz-Band Direct RF Under Sampling Reception,”2014 Asia-Pacific Microwave Conference (APMC2014), pp.426-428, Nov. 2014.

・K. Fujii, K. Terajima, T. Sonoda, T. Takagi, S. Kameda, N. Suematsu, and K. Tsubouchi, “The Improvement of Efficiency in L-Band 10W GaN HEMT Power Amplifier by Harmonic Injection,” 2014 Asia-Pacific Microwave Conference (APMC2014), pp.786-788, Nov. 2014.

・N. Suematsu, S. Kameda, H. Oguma, M. Sasanuma, S. Eguchi, and K. Kuroda, “Multi-Mode Portable VSAT for Disaster-Resilient Wireless Networks,”2014 Asia-Pacific Microwave Conference (APMC2014), pp.549-551, Nov. 2014. (Invited)

・T. Maehata, S. Kameda, and N. Suematsu, “A Novel Channel Coding Scheme for Digital RF Transmitter Comprising a 1-Bit Band-Pass Delta-Sigma Modulator,”2014 Asia-Pacific Microwave Conference (APMC2014), pp.932-934, Nov. 2014.

・D. Banda, O. Wada, T. T. Ta, S. Kameda, N. Suematsu, T. Takagi, and K. Tsubouchi, “1/2fs Direct RF Under Sampling Reception in Different RX Channels,”2014 Asia-Pacific Microwave Conference (APMC2014), pp.944-948, Nov. 2014.

・A. Taira, Y. Miyake, S. Kameda, N. Suematsu, T. Takagi, and K. Tsubouchi, “System Stability of SS-CDMA Location and Short Message Communication Using QZSS,” 2014 Asia-Pacific Microwave Conference (APMC2014), pp.947-949, Nov. 2014.

International conferences (invited)

・A. Taira, Y. Miyake, S. Kameda, N. Suematsu, T. Takagi, and K. Tsubouchi, “System Stability of SS-CDMA Location and Short Message Communication Using QZSS,” 2014 Asia-Pacific Microwave Conference (APMC2014), pp.947-949, Nov. 2014.

・A. Taira, Y. Miyake, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi，“QZSS location and short message communication system against big disasters,” Vietnam-Japan International Symposium on Antennas and Propagation (VJISAP2013), pp.229-234, Jan. 2014.

・N. Suematsu, S. Kameda, H. Oguma, M. Sasanuma, S. Eguchi, and K. Kuroda, “Multi-Mode Portable VSAT for Disaster-Resilient Wireless Networks,”2014 Asia-Pacific Microwave Conference (APMC2014), pp.549-551, Nov. 2014.

2013

Academic journals (reviewed)

・S. Yoshida, Y. Suzuki, T. T. Ta, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “A 60-GHz band planar dipole array antenna using 3-D SiP structure in small wireless terminals for beamforming applications,” IEEE Trans. Antennas and Prop., vol.61, no.7, pp.3502-3510, July 2013.

・T. T. Ta, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “A calibrationless Si-CMOS 5-bit baseband phase shifter using a fixed-gain-amplifier matrix,” IEICE Trans. Electron., vol.E96-C, no.10, pp.1322-1329, Oct. 2013.

・堤　恒次, 新庄　真太郎, 森　一富, 下沢　充弘, 末松　憲治, “振幅変調を行うRFICにおけるPA-VCO間干渉の解析,”信学論(C), Vol.J96-C, No.10, pp.275-283, Oct. 2013.

International conferences (reviewed)

・O. Wada, T. Tan, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “5 GHz-Band CMOS Direct Digital RF Modulator Using Current-Mode DAC with Idle Current, ” International Wireless Symposium 2013 (IWS2013), WE3B-1, April 2013.

・R. Inagaki, T. Tanaka, M. Tsuru, E. Taniguchi, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “Flip chip assembled 90nm CMOS 60GHz Receiver Front End with 7.5dB NF, ” 6th Global Symposium on Millimeter-Waves 2013 (GSMM2013), April 2013.

・T. T. Ta, K. Gomyo, S. Tanifuji, S. Kameda, T. Takagi, N. Suematsu, K. Tsubouchi, “A Si-CMOS 60 GHz Receiver for Phased Array Antenna with 7-stage LNA, Wideband Mixer and 5-bit Baseband Phase Shifter, ” 6th Global Symposium on Millimeter-Waves 2013 (GSMM2013), April 2013.

・K. Konno, Q. Chen, K. Sawaya, S. Kameda, N. Suematsu, “Reflectarray design by induced electromotive force method,” 2013 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting (2013 IEEE AP-S/USNC-URSI Symposium), pp.1342-1343, Orlando, Florida, USA, July 2013.

・Y. Miyake, K. Komatsu, H. Oguma, N. Izuka, S. Kameda, M. Iwata, N. Suematsu, T. Takagi, K. Tsubouchi, “ASIC implementation of multimode frequency domain equalizer for heterogeneous wireless system,” IEEE 24rd International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC2013), pp.397-402, London, U.K., Sept. 2013.

・T. Takahashi, Y. Miyake, F. Yamagata, H. Oguma, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “Large-capacity QZSS location and short message system using frame slotted ALOHA with flag method,” IEEE 24rd International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC2013), pp.3280-3285, London, U.K., Sept. 2013.

・T. Maehata, K. Totani, N. Suematsu, S. Kameda, “Concurrent dual-band 1-bit digital transmitter using band-pass delta-sigma modulator,” 2013 European Microwave Conference (EuMC 2013), pp.1523-1526, Nuremberg, Germany, Oct. 6-11 2013.

・Y. Suzuki, S. Yoshida, T. Ta, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “A 60GHz band 2×4 planar dipole phased array antenna using flip chip mounted MMIC mixers,” 2013 European Microwave Conference (EuMC 2013), pp.1619-1622, Nuremberg, Germany, Oct. 6-11 2013.

・Y. Suzuki, S. Yoshida, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “Design of a 60 GHz band 3-D phased array antenna module using 3-D SiP structure,” 2013 International Symposium on Antennas and Propagation (ISAP2013), TP-2(C), Nanjing, China, Oct. 2013..

・T. T. Ta, M. Nakamura, O. Wada, K. Gomyo, Y. Suzuki, S. Yoshida, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “60-GHz band beam forming receiver RFIC for broadband communication phased array antenna module,” 2013 Asia-Pacific Microwave Conference (APMC2013), pp.230-232, Seoul, Korea, Nov. 2013.

・D. Banda, O. Wada, T. T. Ta, S. Kameda, N. Suematsu, K. Tsubouchi, “Direct RF under sampling reception method with lower sampling frequency,” 2013 Asia-Pacific Microwave Conference (APMC2013), pp.500-502, Seoul, Korea, Nov. 2013.

International conferences (invited)

・T. Takagi, S. Kameda, N. Suematsu, K. Tsubouchi, “Dependable air and wireless dependability,” 6th Global Symposium on Millimeter-Waves 2013 (GSMM2013), April 2013.

・N. Suematsu, S. Kameda, H. Oguma, M. Sasanuma, S. Eguchi, K. Kuroda, “Multi-mode SDR VSAT against big disasters,” 2013 European Microwave Conference (EuMC 2013), pp.842-845, Nuremberg, Germany, Oct. 6-11 2013.

・N. Suematsu, Y. Suzuki, S. Yoshida, S. Tanifuji, S. Kameda, T. Takagi, K. Tsubouchi, “A 60GHz band 2×4 array antenna module fabricated by 3-D SiP technology,” 2013 International Symposium on Interfacial Joining and Surface Technology (IJST2013), IFT-1, Nov. 2013.

・N. Suematsu, D. Banda, O. Wada, T. T. Ta, S. Kameda, T. Takagi, K. Tsubouchi, “Direct RF under sampling receiver for portable VSAT application,” Thailand-Japan Microwave (TJMW2013), Dec. 2013.

2012

Academic journals (reviewed)

・S. Kameda, H. Oguma, N. Izuka, F. Yamagata, Y. Asano, Y. Yamazaki, S. Tanifuji, N. Suematsu, T. Takagi, and K. Tsubouchi, “Proposal of Heterogeneous Wireless Network with Handover in Application Layer: Feasibility Study Based on Field Trial Results”, IEICE Trans. Commun., Vol. E95-B, No.4, pp.1152-1160, (2012).

・N. Suematsu, S. Yoshida, S. Tanifuji, S. Kameda, T. Takagi, and K. Tsubouchi, “A 60GHz-Band 3-Dimensional System-in-Package Transmitter Module with Integrated Antenna,” IEICE Trans. Electron., Vol. E95-C, No.7, pp.1141-1146, (2012). (Invited)

・S. Yoshida, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, and K. Tsubouchi, “60-GHz Band Copper Ball Vertical Interconnection for MMW 3-D System-in-Package Front-End Modules,” IEICE Trans. Electron., Vol. E95-C, No.7, pp.1276-1284, (2012)

・坪内 和夫，亀田 卓，末松 憲治，“ディペンダブルエア,” 信学論，J95-C, No.12, pp.460-469 (2012). (招待論文)

International conferences (reviewed)

・H. Oguma, A. Koizumi, K. Norishima, J. Kuboniwa, Y. Miyake, S. Kameda, A. Taira, N. Suematsu, T. Takagi, and K. Tsubouchi, “Channel quality map construction scheme using location information for heterogeneous wireless network,” Studies in Sci. and Tech., vol. 4(1), pp.83-90, July 2015.

・S. Kameda, Y. Miyake, K. Komatsu, M. Iwata, N. Suematsu, T. Takagi, and K. Tsubouchi, “ASIC Implementation of Multimode Frequency Domain Equalizer for Dependable Air,” The 27th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC2012), D-T1-02, 2012.. (Invited)

・Y. Miyake, F. Yamagata, H. Oguma, N. Izuka, S. Kameda, N. Suematsu, T. Takagi, and K. Tsubouchi, “Hybrid Single-Carrier and Multi-Carrier System: Evaluation of Throughput with Inter-Cell Interference,” IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC2012), pp.2418-2423, Sydney, Australia, 2012.

・Y. Suzuki, S. Yoshida, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, and Kazuo Tsubouchi, “60 GHz Band 2×4 Dipole Array Antenna Using Multi Stacked Organic Substrates Structure,” The International Symposium on Antennas and Propagation (ISAP2012), pp.1285-1288, Nagoya, Japan, 2012.

・T. Maehata, S. Kameda, and N. Suematsu, “High ACLR 1-bit Direct Radio Frequency Converter Using Symmetric Waveform,” European Microwave Conference 2012 (EuMC2012) pp.1051-1054, 2012.

・T. T. Ta, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, and K. Tsubouchi, “A Si-CMOS 5-bit Baseband Phase Shifter Using Fixed Gain Amplifier Matrix,” European Microwave Conference 2012 (EuMC2012), pp.956-959, 2012.

・M. Tsuru, T. Tanaka, R. Inagaki, E. Taniguchi, M. Nakayama, S. Kameda, N. Suematsu, T. Takagi, and K. Tsubouchi, “Flip-Chip Assembled 60GHz CMOS Receiver Front-End,” 2012 IEEE MTT-S International Microwave Workshop Series on Millimeter Wave Wireless Technology and Applications (IMWS), Nanjing, China, 2012.. (Invited)

・O. Wada, T. Tan, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, and K. Tsubouchi, “5 GHz-Band CMOS Direct Digital RF Modulator Using Current-Mode DAC,” The 2012 Asia-Pacific Microwave Conference (APMC2012) pp.1118-1120, 2012..

・T. Takagi, E. Nakayama, T. T. Ta, S. Kameda, N. Suematsu, and K. Tsubouchi, “A novel planer type broadband CMOS on-chip balun with relative bandwidth of 158%,” The 2012 Asia-Pacific Microwave Conference (APMC2012) , pp.178-180, 2012.

・T. T. Ta, S. Yoshida, Y. Suzuki, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, and K. Tsubouchi, “A 3-D Radiation Pattern Measurement Method for a 60-GHz-Band WPAN Phased Array Antenna,” The 2012 Asia-Pacific Microwave Conference (APMC2012) pp.139-141, 2012.

・N. Suematsu, S. Tanifuji, S. Yoshida, Y. Suzuki, S. Kameda, T. Takagi, K. Tsubouchi, “60GHz Antenna Integrated Transmitter Module,” IEEE CPMT Symposium Japan 2012 (ISCJ 2012), 2012. (Invited)

International conferences (invited)

・S. Kameda, Y. Miyake, K. Komatsu, M. Iwata, N. Suematsu, T. Takagi, and K. Tsubouchi, “ASIC Implementation of Multimode Frequency Domain Equalizer for Dependable Air,” The 27th International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC2012), D-T1-02 2012.

2011

International conferences (reviewed)

・Y. Miyake, K. Kobayashi, K. Komatsu, S. Tanifuji, H. Oguma, N. Izuka, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “Hybrid Single-Carrier and Multi-Carrier System: Widening Uplink Coverage with Optimally Selecting SDM or Join FDE/Antenna Diversity,” 14th Int. Symposium on Wireless Personal Multimedia Communications (WPMC), pp.1-5, 2011.

・N. Suematsu, “Si-RFIC Technologies for Multi-Band Multi-Mode Wireless Terminals,” 2011 China-Japan Microwave Conference (CJMW), pp.1-4, 2011. (invited, keynote)

・S. Kameda, H. Oguma, N. Izuka, F. Yamagata, Y. Asano, Y. Yamazaki, S. Tanifuji, N. Suematsu, T. Takagi, K. Tsubouchi, “Proposal of Heterogeneous Wireless Communication Network with Soft Handover in Application Layer: Feasibility Study Based on Field Trial Results,” 6th Int. ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications (CROWNCOM), pp.211-215, 2011.

・S. Tanifuji, N.Suematsu, S. Kameda, T. Takagi, K. Tsubouchi, “24.8dBm Power Handling 60GHz Transmit/Receive Switch Using Series and Shunt FETs in 90 nm Si-CMOS Process,” 2011 European Microwave Integrated Circuits Conference (EuMIC), pp.216-219, 2011.

・T. T. Ta, K. Matsuzaki, K. Ando, K. Gomyo, E. Nakayama, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “A High Efficiency Si-CMOS Power Amplifier for 60GHz Band Broadband Wireless Communication Employing Optimized Transistor Size,” 41st European Microwave Conference (EuMC), pp.151-154, 2011.

・N. Suematsu, S. Yoshida, S. Tanifuji, S. Kameda, T. Takagi, K. Tsubouchi, “60GHz Antenna Integrated Transmitter Module Using 3-D SiP Technology and Organic Substrates,” 41st European Microwave Conference (EuMC), pp.551-554, 2011. (invited)

・T. Nishino, S. Kawasaki, N. Suematsu, K. Nishikawa, “Microwave R&D inside Japan,” 41st European Microwave Conference (EuMC), pp.1328-1331, 2011. (invited)

・K. Komatsu, S. Kameda, M. Iwata, S. Tanifuji, N. Suematsu, T. Takagi, K. Tsubouchi, “ASIC Implementation of Frequency Domain Equalizer for Single Carrier Transmission,” XXXth URSI General Assembly and Scientific Symposium, pp.1-4, 2011.

・S. Tanifuji, K. Ando, T. T. Ta, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “High Sampling Rate 1GS/s Current Mode Pipeline ADC in 90nm Si-CMOS Process,” 2011 IEEE MTT-S Int. Microwave Workshop Series on Intelligent Radio for Future Personal Terminals (IMWS-IRFPT), pp.1-4, 2011.

・S. Kameda, H. Oguma, N. Izuka, Y. Asano, Y. Yamazaki, K. Komatsu, S. Tanifuji, N. Suematsu, T. Takagi, K. Tsubouchi, “Coverage Estimation of Uplink 64 QAM SIgnal up to 20MHz Bandwidth Based on Field Trial Results: Coverage Issue of Broadband Uplink Signal,” 14th Int. Symposium on Wireless Personal Multimedia Communications (WPMC), pp.1-5, 2011.

・S. Yoshida, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “A High-Gain Planar Dipole Antenna for 60-GHz Band 3-D System-in-Package Modules,” 2011 IEEE Int. Symposium on Antenna and Propagation (APS), pp.1311-1314, 2011.

・S. Yoshida, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “A Low Cross Polarization 5GHz-Band 3-Stacked Meander-Line Antenna Integrated with a Meander-Line Shape Balun,” 5th European Conference on Antenna and Propagation (EuCAP), pp.631-634, 2011

・S. Yoshida, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, and K. Tsubouchi, “A 60-GHz band WPAN transmitter module integrated with a planar dipole antenna using organic substrates and 3-D SiP technology,” IEEE Electrical Design of Advanced Packaging and Systems (EDAPS2011), Hangzhou, China, 2011. (Invited)

International conferences (invited)

・N. Suematsu, “Si-RFIC Technologies for Multi-Band Multi-Mode Wireless Terminals,” 2011 China-Japan Microwave Conference (CJMW), pp.1-4, 2011. (keynote)

・N. Suematsu, S. Yoshida, S. Tanifuji, S. Kameda, T. Takagi, K. Tsubouchi, “60GHz Antenna Integrated Transmitter Module Using 3-D SiP Technology and Organic Substrates,” 41st European Microwave Conference (EuMC), pp.551-554, 2011.

・S. Yoshida, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, and K. Tsubouchi, “A 60-GHz band WPAN transmitter module integrated with a planar dipole antenna using organic substrates and 3-D SiP technology,” IEEE Electrical Design of Advanced Packaging and Systems (EDAPS2011), Hangzhou, China, 2011.

2010

Commentary

・下沢充弘,末松憲治,原田博司,楢橋祥一,岡崎浩司,”端末・デバイスの観点からのコグニティブ無線,” 信学誌, vol.94(1), pp.39-42,2011.

International conferences (reviewed)

・S. Yoshida, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “Copper Balls Interconnection Technology for 60GHz Band 3-D System-in-Package Modules,” 2010 Asia-Pacific Microwave Conference (APMC2010), TH3F-1, 2010.

・T.T. Ta, K. Ando, S. Tanifuji, S. Kamera, N. Suematsu, T. Takagi, K. Tsubouchi, “5GHz Band Low Phase Noise Si-CMOS Oscillator with Flip-Chip Mounted FBAR,” 2010 Asia-Pacific Microwave Conference (APMC2010), TH4F-3, 2010.

・S. Tomita, N. Tran, Y. Miyake, K. Komatsu, H. Oguma, N. Izuka, S. Tanifuji, S. Kameda, N. Suematsu, T. Takagi, K. Tsubouchi, “Influence of Hand Tremor for 60-GHz-Band Broadband Wireless Communication Terminal Based on Advanced Kiosk Model,” 2010 Asia-Pacific Microwave Conference (APMC2010), FR1C-1, 2010.

・H. Oguma, S. Kameda, N. Izuka, Y. Asano, Y. Yamazaki, S. Tanifuji, N. Suematsu, T. Takagi, K. Tsubouchi, “Measured Downlink Throughput Performance of Mobile Broadband Wireless Access System in Suburban Area,” 2010 Asia-Pacific Microwave Conference (APMC2010), FR1C-3, 2010.

・H. Oguma, S. Kameda, N. Izuka, Y. Asano, Y. Yamazaki, N. Suematsu, T. Takagi,K. Tsubouchi, “Coverage Estimation of Downlink 64 QAM Signal Up to 20 MHz Bandwidth Based on Field Trial Results of FH-OFDMA System,” 12th IEEE International Conference on Communication Systems (ICCS2010)