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Kato, S. ,
Morikura, M. ,
Kubota, S. ,
Kazama, H. ,
Enomoto, K. &
Umehira, M. ,
1992 2月 ,
In: IEEE Journal on Selected Areas in Communications. 10 ,
2 ,
p. 456-464 9 p. 研究成果: Article › 査読
Satellite communication systems
100%
Voice/data communication systems
95%
Quadrature phase shift keying
93%
Time division multiple access
90%
Modems
88%
Time division multiple access
100%
Communication
44%
Speech transmission
15%
Multipath fading
12%
Blocking probability
12%
Kato, S. ,
Kubota, S. ,
Seki, K. ,
Enomoto, K. ,
Kawazoe, K. ,
Sakata, T. ,
Kobayashi, K. &
Matsumoto, Y. ,
1994 12月 1 ,
In: IEEE International Conference on Global Communications (Globecom'94). 研究成果: Article › 査読
Enomoto, K. ,
Dobashi, A. ,
Suzuki, M. ,
Hasumi, T. ,
Seki, K. ,
Kubota, S. &
Kato, S. ,
1994 9月 1 ,
In: IEEE International Symposium on Personal Indoor Mobile Radio Communications (PIMRC'94). p. 481-485 研究成果: Article › 査読
Kumagai, T. ,
Kobayashi, K. ,
Kawazoe, K. &
Kubota, S. ,
1998 ,
In: IEICE Transactions on Communications. E81-B ,
3 ,
p. 545-552 8 p. 研究成果: Article › 査読
Fading channels
100%
Bit error rate
99%
Fading Channels
100%
Frequency selective fading
81%
Modulation
80%
Fading channels
61%
Voice
55%
Sugiyama, T. ,
Kazama, H. ,
Morikura, M. ,
Kato, S. K. &
Kubota, S. ,
1993 12月 1 ,
In: IEEE International Conference on Global Communications (Globecom'93). p. .1612-1616 研究成果: Article › 査読
Kato, S. ,
Morikura, M. ,
Umehira, M. ,
Enomoto, K. &
Kubota, S. ,
1988 6月 1 ,
In: IEEE International Conference on Communications (ICC'88). 研究成果: Article › 査読
Honma, N. ,
Seki, T. ,
Nishikawa, K. &
Kubota, S. ,
2007 3月 1 ,
In: NTT Technical Review. 5 ,
3 ,
p. 72-81 10 p. 研究成果: Article › 査読
Antennas
100%
Antenna arrays
32%
Directional patterns (antenna)
18%
Wavelength
15%
Numerical analysis
14%
Ishihara, K. ,
Takatori, Y. ,
Kubota, S. &
Umehira, M. ,
2007 5月 18 ,
In: Electronics Letters. 43 ,
3 ,
p. 174-175 2 p. 研究成果: Article › 査読
Carrier communication
100%
Adaptive modulation
91%
Fading channels
66%
Orthogonal frequency division multiplexing
64%
Throughput
49%
Sakai, T. ,
Kobayashi, K. ,
Kubota, S. ,
Morikura, M. &
Kato, S. ,
1991 12月 1 ,
In: IEEE International Conference on Global Communications (Globecom'91). 研究成果: Article › 査読
Uehara, K. ,
Shiba, K. UH. ,
Shono, T. ,
Shirato, Y. ,
Yoshioka, H. ,
Nakatsugawa, M. ,
Kubota, S. &
Umehira, M. ,
2002 9月 1 ,
In: IEEE International Symposium on Personal Indoor Mobile Radio Communications(PIMRC'2002). 研究成果: Article › 査読
Tsunoda, N. ,
Kubota, A. ,
Namiki, M. ,
sugiho, M. ,
Kawabata, K. &
Mikishima, K. ,
2006 12月 1 ,
In: Publications of the Astronomical Society of Japan. 58 研究成果: Article › 査読
Gunji, S. ,
Suzuki, T. ,
Sato, F. ,
Sakurai, H. ,
Tokanai, F. ,
Saito, Y. &
Kubota, A. ,
2004 4月 1 ,
In: Advances in Space Research. 33 ,
p. 1771-1776 研究成果: Article › 査読
Sugisaki, M. ,
Kubo, S. ,
Murakami, T. ,
Ohta, N. ,
Ozawa, H. ,
Takahashi, T. ,
Iyomoto, H. K. ,
?6? ?24??11??, . . &
Kubota, S. ,
1997 7月 1 ,
In: SPIE. 3115 ,
p. 244-253 研究成果: Article › 査読
Isobe, I. ,
N., N. ,
Kubota, K. ,
A., A. ,
Makishima, M. ,
K., K. ,
G, G. ,
hi, H. ,
P., P. ,
Griffiths, G. ,
E., R. ,
Dewangan, D. ,
C., G. ,
Itoh, I. ,
T., T. &
Mizuno, M. ,
2008 2月 1 ,
In: Publications of the Astronomical Society of Japan. 60 ,
p. 241-250 研究成果: Article › 査読
Urry, C. M. ,
VanDuyne, J. ,
C.C.Cheung, C. C. C. ,
R.M.Smbruna, R. M. S. ,
J.E.Pesce, J. E. P. ,
Maraschi, L. ,
F.Tavecchio, F. T. &
Kubota, S. ,
2003 3月 24 ,
In: Default journal. 研究成果: Article › 査読
Satellite communication systems
100%
Mobile telecommunication systems
91%
Forward error correction
74%
Decoding
67%
Fading channels
36%
Kato, K. ,
Kato;Morikura;Kubota;Kazama;Enomoto, KMKKE. &
Kubota, S. ,
1992 11月 1 ,
In: NTT Review. 4 ,
p. 53-61 研究成果: Article › 査読
Honma, N. ,
Kudo, R. ,
Nishimori, K. ,
Takatori, Y. ,
Ohta, A. &
Kubota, S. ,
2007 2月 1 ,
In: ITG/IEEE Workshop on Smart Antenna (WSA 2007). p. 5325 研究成果: Article › 査読
T.Yamada, T. Y. ,
Jiang, W. ,
Takatori, Y. ,
Kudo, R. ,
Ohta, A. &
Kubota, S. ,
2007 2月 1 ,
In: ITG/IEEE Workshop on Smart Antenna (WSA 2007). 研究成果: Article › 査読
Fukazawa, Y. ,
Iyomoto, N. ,
Kubota, A. ,
Matsumoto, Y. &
Makishima, K. ,
2001 7月 1 ,
In: Astronomy and Astrophysics. 374 ,
p. 73-82 研究成果: Article › 査読
Nakazawa, K. ,
Kamae, T. ,
Mikishima, K. ,
Takahashi, T. ,
Murakami, T. ,
Tashiro, M. ,
Fukuzawa, Y. ,
Tamura, T. ,
?26? ?34??17??, . . &
Kubota, S. ,
1999 10月 1 ,
In: SPIE. 3765 ,
p. 148-159 研究成果: Article › 査読
Sugiyama, T. ,
Kazama, H. ,
Morikura, M. ,
Kubota, S. &
Kato, S. ,
1993 5月 1 ,
In: IEICE Transactions on Communications. E76-B ,
5 ,
p. 480-487 8 p. 研究成果: Article › 査読
Quadrature phase shift keying
100%
Forward error correction
11%
Signal interference
9%
Transmitters
7%
Computer hardware
5%
Kobayashi, K. ,
Sakata, T. ,
Matsumoto, Y. &
Kubota, S. ,
1997 ,
In: IEICE Transactions on Communications. E80-B ,
1 ,
p. 8-15 8 p. 研究成果: Article › 査読
Modems
100%
Communication systems
71%
Satellites
69%
Detectors
35%
Demodulators
27%
Matsue, M. ,
Kubota, K. ,
Hojo, H. ,
Watanabe, W. ,
Saito, S. ,
Aikawa, A. &
Sato, S. ,
2003 10月 1 ,
In: IEEE Topical Conference on Wireless Communication Technology 2003. p. 156-157 研究成果: Article › 査読
Kazama, H. ,
Enomoto, K. ,
Morikura, M. ,
Kubota, S. &
Kato, S. ,
1992 5月 1 ,
In: International Conference on Digital Satellite Communications (ICDSC-9). p. 63-68 研究成果: Article › 査読
Kobayashi, K. ,
Kumagai, T. ,
Kubota, S. ,
Ogose, S. &
Hattori, T. ,
1999 ,
In: IEICE Transactions on Communications. E82-B ,
1 ,
p. 112-118 7 p. 研究成果: Article › 査読
Personal communication systems
100%
Demodulators
49%
Power transmission
39%
Transceivers
38%
Antennas
26%
High Performance
100%
Demodulators
93%
Error Rate
87%
Power Consumption
83%
Communication
70%
Mizoguchi, M. ,
Sakata, T. ,
Kobayashi, K. ,
Matsumoto, Y. ,
Kubota, S. &
Kato, S. ,
1995 9月 1 ,
In: IEEE International Symposium on Personal Indoor Mobile Radio Communications (PIMRC'95). p. 1262-1266 研究成果: Article › 査読
Freezing
100%
Synchronization
73%
Satellites
71%
Digital to analog conversion
47%
Kobayashi, K. ,
Sakata, T. ,
Matsumoto, Y. ,
Enomoto, K. ,
Kubota, S. &
Kato, S. ,
1995 7月 1 ,
In: IEEE International Conference on Vehicle Technology (VTC'95). p. 733-737 研究成果: Article › 査読