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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 145  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
WPT, AP
(Joint)
2021-01-22
11:35
Online Online Modeling for radio propagation analysis by quantum computing
Tetsuro Imai (TDU), Wataru Yamada, Minoru Inomata, Nobuaki Kuno (NTT)
 [more]
AP 2020-02-20
13:30
Shizuoka Shizuoka Univ. Hamamatsu Campus [Invited Lecture] Downlink Performance and Signal Reception Characteristics using Distributed Vehicle Glass Mounted Antenna for 28 GHz Band in Urban Environment
Minoru Inomata, Tetsuro Imai, Daisuke Kitayama, Takahiro Asai (NTT DOCOMO, INC), Hideaki shoji, Shoichi Takeuchi, Kiyoshi Nobuoka, Toshiki Sayama, Takeshi Motegi, Osamu Kagaya (AGC) AP2019-181
In fifth generation mobile communications system (5G), 28 GHz band is used and the application for cellular-V2X using 5G... [more] AP2019-181
pp.1-6
AP, WPT
(Joint)
2020-01-23
14:10
Kagawa Sunport Hall Takamatsu [Invited Lecture] Study on Path Loss Model for Macrocell Environment using the Percentage of Area Occupied by Buildings for 5G
Koshiro Kitao, Minoru Inomata, Tetsuro Imai, Satoshi Suyama, Takahiro Asai (NTT DOCOMO) AP2019-158
 [more] AP2019-158
pp.45-48
AP, WPT
(Joint)
2020-01-24
10:15
Kagawa Sunport Hall Takamatsu [Invited Lecture] Vehicle Penetration Loss Characteristics for the shinkansen from 2GHz to 28GHz Bands
Minoru Inomata, Tetsuro Imai, Kazushi Muraoka, Nobuhide Nonaka, Satoshi Suyama, Koshiro Kitao, Yukihiko Okumura, Takahiro Asai (NTT DOCOMO, INC), Yoshihiro Matsumura (Central Japan Railway Company) AP2019-168
Mobile telephone operators around the world are now working hard to introduce 5G services. With 5G, 3.7, 4.5, 28 GHz ban... [more] AP2019-168
pp.99-103
AP 2019-10-17
12:30
Osaka Osaka Univ. [Poster Presentation] 2D-DOA Estimation by Compressed Sensing Algorithm Using Sub-Arrays in an Actual Urban Street Cell Environment
Koyo Tategami, Mitoshi Fujimoto (Univ. Fukui), Koshiro Kitao, Tetsuro Imai (NTT docomo) AP2019-86
 [more] AP2019-86
pp.33-37
MIKA
(2nd)
2019-10-03
11:15
Hokkaido Hokkaido Univ. [Poster Presentation] A Study on Direction of Arrival Estimation in 19GHz Band Based on Real Data and Ray Tracing
Saki Uemura, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Minoru Inomata, Koshiro Kitao, Tetsuro Imai (NTT DOCOMO)
Use of the 5-generation mobile communication system (5G) in the millimeter wave band is assumed. In 5G, introduction of ... [more]
AP 2019-08-22
10:25
Hokkaido Hokkai-Gakuen Univ. Block Diagonalization using Pseudo Inverse Matrix for MU-MIMO
Keiya Uchida, Mitoshi Fujimoto (Univ. Fukui), Koshiro Kitao, Tetsuro Imai (NTT DOCOMO) AP2019-54
The 5th Generation(5G) will introduce MU-MIMO to achieve super high bit rate. Also, Massive MIMO will be effective to co... [more] AP2019-54
pp.39-42
CQ 2019-05-30
14:50
Hiroshima Hiroshima City University Consideration on direction of arrival estimation using circular array based on measurement results
Saki Uemura, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Minoru Inomata, Koshiro Kitao, Tetsuro Imai (Docomo) CQ2019-19
Use of the 5-generation mobile communication system (5G) in the millimeter wave band is assumed. In 5G, introduction of ... [more] CQ2019-19
pp.43-46
AP 2019-05-16
13:30
Hyogo Kanpo-no-yado Arima (Arima Onsen, Hyogo) Radio Propagation Modeling Competition
Tetsuro Imai (DOCOMO), Hisato Iwai (Doshisha Univ.), Shinichi Ichitsubo (Kyutech) AP2019-2
In next generation mobile communication such as IoT and Connected car, in order to realize high speed and high quality t... [more] AP2019-2
pp.7-12
AP 2019-03-15
11:15
Fukushima Yunoya (Iizaka Onsen, Fukushima) Direction of arrival estimation using cylindrical massive array with 19 GHz band in an actual outdoor environment
Kentaro Nishimori, Saki Uemura, Soichi Ito, Ryotaro Taniguchi (Niigata Univ.), Minoru Inomata, Koshiro Kitao, Tetsuro Imai (NTT Docomo) AP2018-194
 [more] AP2018-194
pp.47-50
RCS, SR, SRW
(Joint)
2019-03-08
16:30
Kanagawa YRP [Encouragement Talk] System Development on 16-beam Spatial-Multiplexing for High SHF Wide-band Massive MIMO in 5G
Hiroki Iura, Hiroshi Nishimoto, Tasuku Kuriyama, Hideyuki Nakamizo, Daichi Uchino, Naofumi Iwayama, Akihiro Okazaki (Mitsubishi Electric), Nobuhide Nonaka, Satoshi Suyama, Jun Mashino, Yasunori Suzuki, Tetsuro Imai (NTT docomo), Atsushi Okamura (Mitsubishi Electric), Yukihiko Okumura (NTT docomo) RCS2018-332
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] RCS2018-332
pp.261-266
WPT, AP
(Joint)
2019-01-18
12:50
Aichi Toyota Automobile Museum [Invited Lecture] Basic Study on Propagation Characteristics for Indoor Industrial Scenario
Koshiro Kitao, Tetsuro Imai, Minoru Inomata, Takahiro Asai (NTT DOCOMO) AP2018-163
 [more] AP2018-163
pp.69-73
WPT, AP
(Joint)
2019-01-18
13:10
Aichi Toyota Automobile Museum [Invited Lecture] Path Loss Prediction of Multiple Human Body Shadowing in an Indoor Environment Considering Reflection wave from ceiling
Mitsuki Nakamura, Wataru Yamada, Motoharu Sasaki, Takatsune Moriyama, Yasushi Takatori (NTT), Minoru Inomata, Koshiro Kitao, Tetsuro Imai (NTT DOCOMO) AP2018-164
 [more] AP2018-164
pp.75-80
RCS, AP
(Joint)
2018-11-22
16:40
Okinawa Okinawa Industry Support Center Study on Using Vehicle Glass Windows as Mounting Locations for 28GHz Band Antennas
Toshiki Sayama, Osamu Kagaya, Hideaki Shoji, Shoichi Takeuchi, Kiyoshi Nobuoka (AGC), Minoru Inomata, Tetsuro Imai (NTT DOCOMO) AP2018-142
Due to high radio wave attenuation, directional antenna is widely studied in 28 GHz band which is considered to be a pro... [more] AP2018-142
pp.227-232
RCS, AP
(Joint)
2018-11-22
17:00
Okinawa Okinawa Industry Support Center Performance evaluation of Vehicle Glass Mounted Antenna for 28 GHz Band in Microcellular Environment
Tetsuro Imai, Minoru Inomata (NTT DOCOMO), Tosiki Sayama, Osamu Kagaya, Hideaki Shoji, Shoichi Takeuchi, Kiyoshi Nobuoka (AGC) AP2018-143
In 5G mobile communications, 28 GHz band is most promising candidate to obtain wide band transition, it is essential to ... [more] AP2018-143
pp.233-236
RCS, AP
(Joint)
2018-11-22
17:20
Okinawa Okinawa Industry Support Center Downlink Performance using Vehicle Glass Mounted Antenna for 28 GHz Band in High Mobility Environment
Minoru Inomata, Tetsuro Imai, Daisuke Kitayama (NTT DOCOMO, INC), Toshiki Sayama, Osamu Kagaya, Hideaki Shoji, Shoichi Takeuchi, Kiyoshi Nobuoka (AGC INC) AP2018-144
 [more] AP2018-144
pp.237-242
AP 2018-10-18
13:05
Okayama Okayama Univ. A Study on Radio Propagation Prediction by Using Deep Learning with CNN -- Relationship between Prediction Accuracy and Input Map-Parameters --
Tetsuro Imai, Takahiro Asai (NTT DOCOMO) AP2018-89
Recently, advancement of artificial intelligence has been remarkable, and many applied researches are attracting
attent... [more]
AP2018-89
pp.1-6
AP 2018-10-18
13:30
Okayama Okayama Univ. Investigation of Channel Characteristics using ITU-R Models for 28 GHz Band in Urban Environment
Minoru Inomata, Koshiro Kitao, Tetsuro Imai, Takahiro Asai (NTT DOCOMO) AP2018-90
 [more] AP2018-90
pp.7-12
AP, SANE, SAT
(Joint)
2018-07-20
16:05
Hokkaido Hokkaido Univ. The propagation model for Massive MIMO at 20 GHz band.
Ryotaro Taniguchi, Kentaro Nishimori (Niigata Univ.), Koshoro Kitao, Minoru Inomata, Tetsuro Imai (NTT DOCOMO) AP2018-65 SAT2018-26
Massive MIMO transmission, whose number of antennas at the base station (BS) is much larger than the number of user term... [more] AP2018-65 SAT2018-26
pp.137-142(AP), pp.89-94(SAT)
AP 2018-05-17
14:55
Kumamoto Kumamoto Univ. Study on Angle of Arrival Characteristics at 67 GHz Band in Urban Street Cell Environments
Koshiro Kitao, Tetsuro Imai, Minoru Inomata, Yukihiko Okumura (NTT DOCOMO), Kiyoshi Yanagisawa (Rohde & Schwarz Japan.), Taro Eichler (Rohde & Schwarz), Wilhelm Keusgen (Fraunhofer Heinrich Herz Institute) AP2018-22
 [more] AP2018-22
pp.53-56
 Results 1 - 20 of 145  /  [Next]  
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