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Wataru Yamada
Wataru Yamada
Verified email at lab.ntt.co.jp
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Year
Development of high frequency band over 6 GHz for 5G mobile communication systems
T Imai, K Kitao, N Tran, N Omaki, Y Okumura, M Sasaki, W Yamada
2015 9th European Conference on Antennas and Propagation (EuCAP), 1-4, 2015
472015
Terahertz propagation characteristics for 6G mobile communication systems
M Inomata, W Yamada, N Kuno, M Sasaki, K Kitao, M Nakamura, ...
2021 15th European Conference on Antennas and Propagation (EuCAP), 1-5, 2021
402021
Path loss characteristics at 800 MHz to 37 GHz in urban street microcell environment
M Sasaki, W Yamada, T Sugiyama, M Mizoguchi, T Imai
2015 9th European Conference on Antennas and Propagation (EuCAP), 1-4, 2015
322015
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
252011
Radio propagation measurements and modeling for standardization of the site general path loss model in International Telecommunications Union recommendations for 5G wireless …
S Salous, J Lee, MD Kim, M Sasaki, W Yamada, X Raimundo, ...
Radio Science 55 (1), 1-12, 2020
232020
Measurement of Demmel condition number for 2/spl times/2 MIMO-OFDM broadband channels
N Kita, W Yamada, A Sato, D Mori, S Uwano
2004 IEEE 59th Vehicular Technology Conference. VTC 2004-Spring (IEEE Cat …, 2004
202004
Path loss prediction model for the over‐rooftop propagation environment of microwave band in suburban areas
N Kita, W Yamada, A Sato
Electronics and Communications in Japan (Part I: Communications) 90 (1), 13-24, 2007
192007
Path loss prediction model for 800 MHz to 37 GHz in NLOS microcell environment
K Kitao, T Imai, N Tran, N Omaki, Y Okumura, M Inomata, M Sasaki, ...
2015 IEEE 26th Annual International Symposium on Personal, Indoor, and …, 2015
182015
Path loss Prediction model for the over-rooftop propagation environment of microwave band in suburban area
N Kita
IEICE Trans., Part 1 90, 115-125, 2006
182006
Convolutional neural network for prediction method of path loss characteristics considering diffraction and reflection in an open-square environment
K Nobuaki, W YAMADA, M SASAKI, Y TAKATORI
2019 URSI Asia-Pacific Radio Science Conference (AP-RASC), 1-3, 2019
152019
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
142016
Indoor propagation model for TV white space
W Yamada, M Sasaki, T Sugiyama, O Holland, S Ping, ...
2014 9th International Conference on Cognitive Radio Oriented Wireless …, 2014
142014
Plane-wave and vector-rotation approximation technique for reducing computational complexity to simulate MIMO propagation channel using ray-tracing
W Yamada, N Kita, T Sugiyama, T Nojima
IEICE transactions on communications 92 (12), 3850-3860, 2009
142009
Segmentation method for documents containing text/picture (screened halftone, continuous tone)
S Ohuchi, K Imao, W Yamada
Transactions of the Institute of Electronics, Information and Communication …, 1992
141992
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
112016
Investigation of ray-tracing accuracy in street cell environment for high-SHF and EHF bands
N Omaki, N Tran, K Kitao, T Imai, Y Okumura, M Sasaki, W Yamada
2015 9th European Conference on Antennas and Propagation (EuCAP), 1-4, 2015
112015
Path loss model for the 2 to 37 GHz band in street microcell environments
M Inomata, W Yamada, M Sasaki, M Mizoguchi, K Kitao, T Imai
IEICE Communications Express 4 (5), 149-154, 2015
112015
Solid polyaluminoxane composition, olefin polymerization catalyst, olefin polymer production method and solid polyaluminoxane composition production method
K Tsurugi, S Hanada, A Shibahara, K Kawamura, F Nishino, Y Harada, ...
US Patent 9,676,879, 2017
92017
Path loss model with low antenna height for microwave bands in residential areas
M Sasaki, W Yamada, N Kita, T Sugiyama
IEICE transactions on communications 96 (7), 1930-1944, 2013
92013
Experimental study of path loss characteristics in high-speed train cars
N Kita, T Ito, W Yamada, MC Tseng, Y Sagawa, M Ogasawara, ...
2009 IEEE Antennas and Propagation Society International Symposium, 1-4, 2009
92009
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