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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2018-05-17 13:30 |
Kumamoto | Kumamoto Univ. (Kumamoto) | Analysis of Diffraction Characteristics at 28 GHz Band in a Connected-Car Communication Environment Shohei Kawasaki, Yuki Ito, Hisato Iwai (Doshisha Univ.), Satoshi Nakano (KDDI), Yasuhiro Suegara, Masaya Sibayama, Masahito Umehara (KDDI Reseach, Inc.)  AP2018-19 |
Field trials assuming a connected-car communication environment in the 5th generation mobile systems have been carried o... [more] | AP2018-19 pp.35-39 |
| RCS | 2017-10-19 13:15 |
Miyagi | Tohoku Institute of Technology (Miyagi) | [Invited Lecture]
Proof of Concept for 5G wideband transmission in 28GHz band Issei Kanno, Masaya Shibayama, Kazuya Moriwaki, Masahito Umehara, Yasuhiro Suegara (KDDI Research) RCS2017-177 |
[more] | RCS2017-177 pp.51-56 |
| RCS, SR, SRW (Joint) |
2017-03-01 15:10 |
Tokyo | Tokyo Institute of Technology (Tokyo) | Improved Robustness against Blockage in Millimeter-Wave Systems using Reinforcement Learning Thomas Bourgeois, Noriyuki Hashimoto, Masato Umehara, Yasuhiro Suegara (KDDI Research, Inc.) RCS2016-299 |
In millimeter-wave systems, the lack of signal diffraction around obstacles leads to signal blockage (i.e. by human bod... [more] |
RCS2016-299 pp.61-66 |
| RCS, SR, SRW (Joint) |
2017-03-02 15:45 |
Tokyo | Tokyo Institute of Technology (Tokyo) | [Invited Talk]
Efficiency Improvement in Communication Systems by Using Device-to-Device Communication Technologies Koichiro Kitagawa, Yasuhiro Suegara, Yoji Kishi (KDDI Reserch) RCS2016-319 SR2016-101 SRW2016-94 |
In the 5th generation (5G) systems, which are expected to be commercialized after around 2020, new performance criteria ... [more] | RCS2016-319 SR2016-101 SRW2016-94 p.171(RCS), p.51(SR), p.145(SRW) |
| RCS, SR, SRW (Joint) |
2017-03-03 16:25 |
Tokyo | Tokyo Institute of Technology (Tokyo) | A simulation study on multi-hop communication based on LTE device-to-device communication Koichiro Kitagawa, Hiroaki Homma, Yasuhiro Suegara (KDDI Research) RCS2016-334 |
Recently, network to UE relay communication has been studied as a candidate technique to improve system capacity in the ... [more] | RCS2016-334 pp.253-258 |
| RCS | 2016-10-20 13:00 |
Kanagawa | YRP (Yokosuka) (Kanagawa) | [Invited Lecture]
A Study of 4G LTE/5G Coexistence on the Same Frequency Band Kazuhide Toda, Masaya Shibayama, Kazuya Moriwaki, Yasuhiro Suegara (KDDI R&D Labs) RCS2016-165 |
It is considered that high frequency band will be allocated for 5G service. High frequency band is suitable for high thr... [more] | RCS2016-165 pp.71-76 |
| RCS | 2015-10-01 11:15 |
Kanagawa | YRP (Yokosuka) (Kanagawa) | A simulation study on the impact of MTC coverage enhancement in LTE-Advanced systems Koichiro Kitagawa, Yasuhiro Suegara (KDDI Labs.) RCS2015-165 |
[more] | RCS2015-165 pp.51-55 |
| RCS | 2015-04-17 12:10 |
Oita | Yufuin, Yufugoukan (Oita) | A Study on Small Cell Selection Method Considering the Traffic Load in Heterogeneous Networks Kazuya Moriwaki, Toshiaki Yamamoto, Hailan Peng, Yasuhiro Suegara (KDDI R&D Labs.) RCS2015-15 |
The use of small cell deployments in the heterogeneous networks (HetNet) environment is considered a promising approach ... [more] | RCS2015-15 pp.77-82 |
| RCS, SR, SRW (Joint) |
2015-03-04 14:25 |
Tokyo | Tokyo Institute of Technology (Tokyo) | A Study on Mutual Interference Reduction Schemes in LTE-Advanced Device-to-device Communication Koichiro Kitagawa, Yasuhiro Suegara (KDDI Labs.) RCS2014-318 |
In 3GPP (The 3rd-Generation Partnership Project) standardization, it has been discussed to adopt Device-to-Device (D2D) ... [more] | RCS2014-318 pp.101-106 |
| SR | 2014-10-30 15:50 |
Overseas | I2R, Singapore (Overseas) | [Requested Talk] Millimeter-wave based LTE/WiGig Heterogeneous Networks: Small Cell Search Technique and Tightly Coupled Interworking Architecture Hailan Peng, Toshiaki Yamamoto, Yasuhiro Suegara (KDDI R&D Labs.) SR2014-76 |
Heterogeneous networks (HetNet) with different radio access technologies have been deployed to support a wide range of c... [more] | SR2014-76 pp.95-102 |
| RCS | 2014-10-17 09:50 |
Kanagawa | Keio Univ. (Kanagawa) | A Field Experiment on Dual Connectivity for Small Cell Deployments using 3.5 GHz Band (1) Noriyuki Hashimoto (KDDI Labs.), Toshiyasu Wakayama, Hiroki Takeda, Xiaoqiu Wang, Teruhiko Honda, Akira Matsunaga, Ryuji Ota (KDDI), Kazuhide Toda, Yasuhiro Suegara (KDDI Labs.) RCS2014-179 |
[more] | RCS2014-179 pp.129-134 |
| RCS | 2014-10-17 10:10 |
Kanagawa | Keio Univ. (Kanagawa) | A Field Experiment on Dual Connectivity for Small Cell Deployments using 3.5 GHz Band (2) Toshiyasu Wakayama (KDDI), Noriyuki Hashimoto (KDDI Labs.), Hiroki Takeda, Xiaoqiu Wang, Akira Matsunaga, Teruhiko Honda, Ryuji Ota (KDDI), Kazuhide Toda, Yasuhiro Suegara (KDDI Labs.) RCS2014-180 |
It is assumed that higher frequency bands, such as 3.5 GHz band, compared to widely used frequency bands for cellular ne... [more] | RCS2014-180 pp.135-140 |
| RCS | 2014-06-18 15:30 |
Okinawa | Okinawa-ken Seinenkaikan (Naha) (Okinawa) | Evaluation of Energy Efficient Inter-frequency Small Cell Search Scheme using Radio Frequency Fingerprint in Millimeter-wave Heterogeneous Networks Hailan Peng, Toshiaki Yamamoto, Yasuhiro Suegara (KDDI R&D Labs.) RCS2014-76 |
Deployment of small cells with ultra wideband using a higher carrier frequency over the traditional macro cells operated... [more] | RCS2014-76 pp.257-262 |
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