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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 7 of 7  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
SAT, RCS
(Joint)
2022-08-26
09:50
Hokkaido
(Primary: On-site, Secondary: Online)
Beam Pattern Estimation Based on Radio Map and Multi-beam Antenna Model for 5G Transmitter at 28GHz
Shougo Matsuo, Hirofumi Nakajo, Sunao Miyamoto, Fujii Takeo (UEC), Kenji Wakafuji, Ryota Nihei, Kohei Yoshida (NEC)
(To be available after the conference date) [more]
NS, SR, RCS, SeMI, RCC
(Joint)
2022-07-15
14:30
Ishikawa The Kanazawa Theatre + Online
(Primary: On-site, Secondary: Online)
Blockage prediction for millimeter-wave communications based on people flow data
Hirofumi Nakajo, Takeo Fujii (UEC) SR2022-42
Thanks to the high bandwidth available at millimeter-wave (mmWave), mmWave communications support high data rates and la... [more] SR2022-42
pp.96-103
SR 2021-05-21
14:00
Online Online [Technology Exhibit] 5G experimental trial based on smart spectrum
Kenta Umebayashi, Hiroki Iwata (TUAT), Hirofumi Nakajo (UEC), Hikaru Kawasaki (NICT), Yusaku Babazono, Yoshinori Yahiro (TUAT), Takeo Fujii, Koichi Adachi, Taiki Matsushima (UEC), Yusuke Shibata (ECATV), Kazuo Ibuka, Takeshi Matsumura, Fumihide Kojima (NICT) SR2021-18
 [more] SR2021-18
pp.120-127
SR 2019-11-04
11:00
Overseas Rutgers University Inn & Conference Center, NJ, USA [Poster Presentation] Adaptive band and power control for spectrum shared mobile systems
Hirofumi Nakajo, Takeo Fujii (UEC) SR2019-73
In the 5th generation mobile communication systems (5G), carrier independent operators such as micro operator and local ... [more] SR2019-73
pp.25-26
SR 2019-01-25
14:50
Fukushima Corasse, Fukushima city (Fukushima prefecture) High Density Spectrum Sharing Method among Micro Operators considering Mesurement-based Spectrum Database
Hirofumi Nakajo, Yuya Aoki, Keita Katagiri, Takeo Fujii (UEC) SR2018-115
In 5G, micro operator and local 5G concepts that arrange small cells with high flexibility and scalability attract atten... [more] SR2018-115
pp.117-122
SR 2018-10-31
10:25
Overseas Mandarin Hotel, Bangkok, Thailand [Poster Presentation] Spatial Spectrum Sharing among Micro Operators considering Distribution on Measurement-based Spectrum Database
Hirofumi Nakajo, Yuya Aoki, Keita Katagiri, Takeo Fujii (UEC) SR2018-78
This paper proposes probabilistic protection of micro cells using measurement-based spectrum database. In the 5th genera... [more] SR2018-78
pp.45-46
ISEC, WBS, IT 2017-03-09
16:15
Tokyo TOKAI University Different Orthogonal Code DS/CDMA with High Spectral Efficiency and Evaluations by Interference Cancellation Using Indoor Radio Wave Intensity Distriburtion
Hirofumi Nakajo, Shin'ichi Tachikawa (NIT, Nagaoka) IT2016-116 ISEC2016-106 WBS2016-92
High data rate and high spectral efficiency more than LTE can be obtained by different orthogonal codes DS/CDMA communic... [more] IT2016-116 ISEC2016-106 WBS2016-92
pp.109-113
 Results 1 - 7 of 7  /   
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