Experimental study of propagation characteristics for wireless communications in high-speed train cars N Kita, T Ito, S Yokoyama, MC Tseng, Y Sagawa, M Ogasawara, ... 2009 3rd European Conference on Antennas and Propagation, 897-901, 2009 | 60 | 2009 |
An L-band ultra-low-power-consumption monolithic low-noise amplifier M Nakatsugawa, Y Yamaguchi, M Muraguchi IEEE transactions on microwave theory and techniques 43 (7), 1745-1750, 1995 | 52 | 1995 |
Quasi-linear amplification using self-phase distortion compensation technique H Hayashi, M Nakatsugawa, M Muraguchi IEEE Transactions on Microwave Theory and Techniques 43 (11), 2557-2564, 1995 | 49 | 1995 |
Software radio base and personal station prototypes Y Suzuki, K Uehara, M Nakatsugawa, Y Shirato, S Kubota IEICE transactions on communications 83 (6), 1261-1268, 2000 | 38 | 2000 |
A 1.9 GHz-band ultra low power consumption amplifier chip set for personal communications M Muraguchi, M Nakatsugawa, H Hayashi, M Aikawa Proceedings of 1995 IEEE MTT-S International Microwave Symposium, 9-12, 1995 | 33 | 1995 |
Study of propagation model and fading characteristics for wireless relay system between long-haul train cars T Ito, N Kita, W Yamada, MC Tseng, Y Sagawa, M Ogasawara, ... Proceedings of the 5th European Conference on Antennas and Propagation …, 2011 | 25 | 2011 |
Active inductor H Hayashi, M Nakatsugawa, M Muraguchi US Patent 5,726,613, 1998 | 24 | 1998 |
Line-loss and size reduction techniques for millimeter-wave RF front-end boards by using a polyimide/alumina-ceramic multilayer configuration M Nakatsugawa, A Kanda, H Okazaki, K Nishikawa, M Muraguchi IEEE transactions on microwave theory and techniques 45 (12), 2308-2315, 1997 | 23 | 1997 |
A 15-GHz monolithic low-phase-noise VCO using AlGaAs/GaAs HBT technology Y Yamauchi, H Kamitsuna, M Nakatsugawa, H Ito, M Muraguchi, ... IEEE journal of solid-state circuits 27 (10), 1444-1447, 1992 | 19 | 1992 |
A high-accuracy pedestrian positioning information system using pico cell techniques A Shibuya, M Nakatsugawa, S Kubota, T Ogawa VTC2000-Spring. 2000 IEEE 51st Vehicular Technology Conference Proceedings …, 2000 | 17 | 2000 |
High-efficiency operation of AlGaAs/GaAs power heterojunction bipolar transistors at low collector supply voltage Y Matsuoka, S Yamahata, T Ishibashi, M Nakatsugawa, M Muraguchi Electronics Letters 29 (11), 982-984, 1993 | 17 | 1993 |
Path loss characteristics between different floors from 0.8 to 37 GHz in indoor office environments M Sasaki, M Inomata, W Yamada, N Kita, T Onizawa, M Nakatsugawa, ... 2016 International Symposium on Antennas and Propagation (ISAP), 66-67, 2016 | 16 | 2016 |
A novel MMIC power amplifier for pocket-size cellular telephones M Muraguchi, M Nakatsugawa, M Aikawa 1993 IEEE MTT-S International Microwave Symposium Digest, 793-796, 1993 | 15 | 1993 |
Novel circuit-shape leaky wave waveguide for microwave snow melting T Maruyama, S Kasai, K Shibata, M Omiya, M Nakatsugawa, ... 2021 International Symposium on Antennas and Propagation (ISAP), 1-2, 2021 | 14 | 2021 |
Active antenna using multi-layer ceramic-polyimide substrates for wireless communication systems T Seki, H Yamamoto, T Hori, M Nakatsugawa 2001 IEEE MTT-S International Microwave Sympsoium Digest (Cat. No. 01CH37157 …, 2001 | 14 | 2001 |
Control information transmission without resource consumption for PAPR reduction of OFDM signal T Maruyama, K Maruta, J Mashino, M Nakatsugawa Electronics letters 45 (8), 406-408, 2009 | 13 | 2009 |
A novel configuration for 1: N multiport power dividers using series/parallel transmission-line division and a polyimide/alumina-ceramic structure for HPA module implementation M Nakatsugawa, K Nishikawa IEEE Transactions on Microwave Theory and Techniques 49 (6), 1187-1193, 2001 | 13 | 2001 |
Path loss characteristics at multiple frequency bands from 0.8 to 37 GHz in indoor office M Sasaki, M Inomata, W Yamada, N Kita, T Onizawa, M Nakatsugawa 2016 10th European Conference on Antennas and Propagation (EuCAP), 1-4, 2016 | 12 | 2016 |
Service area expansion of quasi-millimeter FWA systems through site diversity based on detailed rainfall intensity data T Maruyama, Y Shirato, M Akimoto, M Nakatsugawa IEEE Transactions on Antennas and Propagation 56 (10), 3285-3292, 2008 | 10 | 2008 |
Design of software radio for cellular communication systems and wireless LANs K Uehara, H Tanaka, H Shiba, Y Suzuki, M Nakatsugawa, Y Shirato, ... 11th IEEE International Symposium on Personal Indoor and Mobile Radio …, 2000 | 10 | 2000 |