Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP, MW (Joint) |
2017-09-22 10:10 |
Saitama |
Saitama University (Saitama) |
Outdoor Experiment Evaluation of Analog-Digital Hybrid Massive MIMO Ryotaro Taniguchi, Kentaro Nishimori (Niigata Univ.), Ngochao Tran, Tetsuro Imai, Koshiro Kitao (NTT DOCOMO) AP2017-92 |
Massive MIMO transmission whose number of antennas is much larger than the number of user terminals, has been attracted ... [more] |
AP2017-92 pp.25-30 |
AP (2nd) |
2017-06-28 - 2017-06-30 |
Hokkaido |
Hokkaido University (Hokkaido) |
[Poster Presentation]
An Empirical Study on Scattering Characteristics of Radio Wave by a Human Body in Millimeter Waves Ngochao Tran, Tetsuro Imai, Koshiro Kitao, Yukihiko Okumura, Takehiro Nakamura (NTT Docomo), Hiroshi Tokuda, Takao Miyake, Robin Wang, Zhu Wen, Hajime Kitano, Roger Nichols (Keysight) |
The 5G system using millimeter waves is considered to apply to high traffic areas with dense pedestrians. In cases of No... [more] |
|
AP (2nd) |
2017-06-28 - 2017-06-30 |
Hokkaido |
Hokkaido University (Hokkaido) |
[Poster Presentation]
Proposal of new propagation based on measured parameters in massive MIMO Ryotaro Taniguchi, Kentaro Nishimori (Niigata Univ.), Ngochao Tran, Koshoro Kitao, Tetsuro Imai (NTT DOCOMO) |
Massive MIMO transmission has attracted much attention as one of key technologies in next-generation mobile communicatio... [more] |
|
AP |
2017-06-08 13:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Tokyo) |
An Empirical Study on Scattering Characteristics of Radio Wave by a Human Body in Millimeter Waves Ngochao Tran, Koshiro Kitao, Tetsuro Imai, Yukihiko Okumura, Tekehiro Nakamura (NTT Docomo), Hiroshi Tokuda, Takao Miyake, Robin Wang, Zhu Wen, Hajime Kitano, Roger Nichols (Keysight Technologies) AP2017-41 |
The future mobile communications systems (5G), which enables data transmission rate as high as 10 Gbps has been the focu... [more] |
AP2017-41 pp.7-12 |
AP |
2017-05-18 14:00 |
Miyazaki |
Hotel MERIEGES (Miyazaki) |
Proposal on the channel model for massive MIMO based on measured propagation channel Ryotaro Taniguchi, Kentaro Nishimori (Niigata Univ.), Ngochao Tran, Tetsuro Imai, Koshiro Kitao (NTT DOCOMO) AP2017-31 |
[more] |
AP2017-31 pp.49-54 |
AP |
2017-04-20 13:25 |
Osaka |
Osaka university (Osaka) |
A Study on Radio Propagation Prediction of High Frequency Bands in Urban Environment Using Hybrid Method of Ray-Tracing and ER Model Tetsuro Imai, Koshiro Kitao, Ngochao Tran, Yukihiko Okumura (NTT DOCOMO) AP2017-5 |
In order to predict radio propagation characteristics of High-SHF (over 6 GHz) and EHF (mainly 30 - 100 GHz) bands which... [more] |
AP2017-5 pp.25-29 |
AP |
2017-04-20 14:25 |
Osaka |
Osaka university (Osaka) |
Evaluation of Effective Gain of Array Antenna at 20-GHz Band in Urban Street Canyon Ngochao Tran, Tetsuro Imai, Koshiro Kitao, Yukihiko Okumura (NTT Docomo) AP2017-7 |
The future mobile communications systems (5G), which enables data transmission rate as high as 10 Gbps has been the focu... [more] |
AP2017-7 pp.35-39 |
AP |
2017-02-17 09:30 |
Tochigi |
Tochigiken-sougou-bunnka Center (Tochigi) |
[Invited Lecture]
Study on Propagation Channel Characteristics at 20-GHz Band for Outdoor Small Cell Ngochao Tran, Tetsuro Imai, Koshiro Kitao, Yukihiko Okumura (NTT Docomo), Ryotaro Taniguchi, Kentaro Nishimori (Niigata Univ) AP2016-167 |
To address the trend of rapid increase in data traffic of mobile communication network, the future mobile communications... [more] |
AP2016-167 pp.61-66 |
AP |
2016-12-08 13:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Tokyo) |
Time-variant Channel Characteristics at 20 GHz Band in Urban Street Canyon Environment Ngochao Tran, Tetsuro Imai, Koshiro Kitao, Yukihiko Okumura (NTT DOCOMO) AP2016-127 |
[more] |
AP2016-127 pp.23-28 |
RCS, AP (Joint) |
2016-11-25 13:50 |
Kyoto |
Kyoto International Community House (Kyoto) |
Evaluation of transmission rate on massive MIMO in an outdoor environment Kentaro Nishimori, Ryochi Kataoka (Niigata Univ.), Ngochao Tran, Tetsuro Imai (Docomo) AP2016-120 |
[more] |
AP2016-120 pp.77-82 |
AP, SAT, SANE (Joint) |
2016-07-21 11:45 |
Hokkaido |
Otaru port marina (Hokkaido) |
A Propagation Characteristics Analysis Method Using Point Cloud Data Ngochao Tran, Nobutaka Omaki, Tetsuro Imai, Koshiro Kitao, Yukihiko Okumura (NTT DOCOMO) AP2016-46 |
[more] |
AP2016-46 pp.55-60 |
CQ |
2016-05-25 13:50 |
Fukuoka |
Kyushu University (Fukuoka) |
Performance evaluation of massive MIMO in an actual outdoor environment Kentaro Nishimori, Ryochi Kataoka (Niigata Univ.), Ngochao Tran, Tetsuro Imai (NTT Docomo) CQ2016-26 |
[more] |
CQ2016-26 pp.81-86 |
AP |
2016-05-19 14:00 |
Hyogo |
kobe Univ. (Hyogo) |
Study on Outdoor-to-Indoor Channel Characteristics at 20 GHz Band Ngochao Tran, Tetsuro Imai, Yukihiko Okumura (NTT DOCOMO) AP2016-18 |
[more] |
AP2016-18 pp.11-16 |
AP |
2016-02-19 14:20 |
Fukushima |
Iwaki (Spa Resort Hawaiians) (Fukushima) |
Frequency characteristics of change in received level by human body shadowing in indoor environment Koshiro Kitao, Ngochao Tran, Tetsuro Imai, Nobutaka Omaki, Yukihiko Okumura (NTT DOCOMO) AP2015-201 |
[more] |
AP2015-201 pp.59-63 |
AP, RCS, WPT, SAT (Joint) |
2015-11-05 14:00 |
Okinawa |
Okinawa Prefectural Museum & Art Museum (Okinawa) |
[Invited Lecture]
Characteristics of Indoor Radio Propagation Channel at 20 GHz Band Ngochao Tran, Tetsuro Imai, Yukihiko Okumura (NTT Docomo) AP2015-131 RCS2015-219 |
[more] |
AP2015-131 RCS2015-219 pp.123-128(AP), pp.175-180(RCS) |
CQ |
2015-09-01 13:20 |
Kyoto |
Kyoto Institute of Technology (Kyoto) |
Relationship between the interference reduction characteristics and amount of signal processing by cylindrical array based massive MIMO in a real microcell environment Ryochi Kataoka, Kentaro Nishimori (Niigata Univ.), Ngochao Tran, Tetsuro Imai (NTTdocomo) CQ2015-49 |
[more] |
CQ2015-49 pp.55-60 |
RCS, SR, SRW (Joint) |
2015-03-04 16:50 |
Tokyo |
Tokyo Institute of Technology (Tokyo) |
Interference reduction characteristics by cylindrical array based massive MIMO with analog-digital hybrid processing in a real microcell environment Ryochi Kataoka, Junpei Miyazawa, Kentaro Nishimori (Niigata Univ.), Ngochao Tran, Tetsuro Imai (NTTdocomo) RCS2014-323 |
Massive MIMO enables the improvement on the transmission rate without increasing the burden on the signal processing by ... [more] |
RCS2014-323 pp.129-134 |
AP |
2015-02-19 10:55 |
Hyogo |
Chusho-kigyou center at Amagasaki-City (Hyogo) |
Interference reduction characteristics by circular array based massive MIMO in a real microcell environment Ryochi Kataoka, Kentaro Nishimori (Niigata Univ.), Ngochao Tran, Tetsuro Imai (NTTdocomo) AP2014-189 |
Massive MIMO enables the improvement on the transmission rate without increasing the burden on the signal processing by ... [more] |
AP2014-189 pp.15-20 |
AP |
2015-01-23 09:45 |
Ehime |
Ehime University (Ehime) |
Path loss prediction model for microcell environment in high - SHF and EHF band Koshiro Kitao, Tetsuro Imai, Ngochao Tran, Nobutaka Omaki, Yukihiko Okumura (NTT DOCOMO), Motoharu Sasaki, Wataru Yamada (NTT) AP2014-174 |
[more] |
AP2014-174 pp.73-78 |
AP |
2015-01-23 10:45 |
Ehime |
Ehime University (Ehime) |
Performance evaluation of Massive MIMO with analog-digital hybrid processing in a circular cell environment Junpei Miyazawa, Ryochi Kataoka, Kentaro Nishimori (Niigata Univ.), Ngochao Tran, Tetsuro Imai (NTTdocomo) AP2014-176 |
Massive MIMO enables the improvement on the transmission rate without increasing the burden on
the signal processing by... [more] |
AP2014-176 pp.85-90 |