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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 13件中 1~13件目  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2018-05-17
13:30
Kumamoto Kumamoto Univ. 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.)
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 [Invited Lecture] Proof of Concept for 5G wideband transmission in 28GHz band
Issei Kanno, Masaya Shibayama, Kazuya Moriwaki, Masahito Umehara, Yasuhiro Suegara (KDDI Research)
 [more] RCS2017-177
pp.51-56
RCS, SR, SRW
(Joint)
2017-03-01
15:10
Tokyo Tokyo Institute of Technology Improved Robustness against Blockage in Millimeter-Wave Systems using Reinforcement Learning
Thomas Bourgeois, Noriyuki Hashimoto, Masato Umehara, Yasuhiro Suegara (KDDI Research, Inc.)
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 [Invited Talk] Efficiency Improvement in Communication Systems by Using Device-to-Device Communication Technologies
Koichiro Kitagawa, Yasuhiro Suegara, Yoji Kishi (KDDI Reserch)
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 A simulation study on multi-hop communication based on LTE device-to-device communication
Koichiro Kitagawa, Hiroaki Homma, Yasuhiro Suegara (KDDI Research)
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) [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)
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) A simulation study on the impact of MTC coverage enhancement in LTE-Advanced systems
Koichiro Kitagawa, Yasuhiro Suegara (KDDI Labs.)
 [more] RCS2015-165
pp.51-55
RCS 2015-04-17
12:10
Oita Yufuin, Yufugoukan 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.)
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 A Study on Mutual Interference Reduction Schemes in LTE-Advanced Device-to-device Communication
Koichiro Kitagawa, Yasuhiro Suegara (KDDI Labs.)
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 [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.)
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. 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.)
 [more] RCS2014-179
pp.129-134
RCS 2014-10-17
10:10
Kanagawa Keio Univ. 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.)
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) 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.)
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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