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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 43  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
IN, NS
(Joint)
2021-03-05
14:20
Online Online A study of a tunable generative model for graph data using machine learning
Shohei Nakazawa, Yoshiki Sato, Kenji Nakagawa (Nagaoka Univ. of Tech.), Sho Tsugawa (Tsukuba Univ.), Kohei Watabe (Nagaoka Univ. of Tech.) NS2020-159
In recent years, applications and simulations using graphs are becoming more important. The graph has various features, ... [more] NS2020-159
pp.214-219
SIP, IT, RCS 2021-01-22
17:10
Online Online [Encouragement Talk] Feasibility Study on Applicability of Non-linear Precoding Based on Outdoor Measurement for High SHF Wide-band Massive MIMO in 5G
Manabu Sakai, Hiroki Iura, Kenji Nakagawa, Hiroshi Nishimoto (Mitsubishi Electric), Nobuhide Nonaka, Satoshi Suyama, Takahiro Asai (DOCOMO) IT2020-101 SIP2020-79 RCS2020-192
 [more] IT2020-101 SIP2020-79 RCS2020-192
pp.212-217
NS, RCS
(Joint)
2020-12-18
15:50
Online Online Improvement of Fairness and Throughput in Multi-Hop Wireless Ad Hoc Networks
Truong Van Nhat Minh, Kenji Nakagawa, Kohei Watabe (Nagaoka Univ. of Tech) NS2020-106
 [more] NS2020-106
pp.103-107
IN, IA
(Joint)
2019-12-20
10:45
Hiroshima Satellite Campus Hiroshima Packet loss rate estimation and path selection method by minimizing L1 norm in multicast communication
Taiji Kichikawa, Kenji Nakagawa, Kohei Watabe (Nagaoka University of Univ.) IN2019-54
 [more] IN2019-54
pp.51-55
IN, IA
(Joint)
2019-12-20
11:10
Hiroshima Satellite Campus Hiroshima Available bandwidth estimation method using MACD index
Ryota Saito, Kenji Nakagawa, Kohei Watabe (Nagaoka Univ. of Tech) IN2019-55
In recent years, services that consume bandwidth on the Internet have become popular. In order to provide these services... [more] IN2019-55
pp.57-61
MIKA
(2nd)
2019-10-04
10:15
Hokkaido Hokkaido Univ. [Poster Presentation] A study of similar network generative model using machine learning
Shohei Nakazawa, Kohei Watabe, Kenji Nakagawa (Nagaoka Univ. of Tech.)
A real topology data are required when we simulate assuming an environment close to a real situation. The real data of t... [more]
CQ 2019-07-18
13:00
Niigata Niigata Univ. [Poster Presentation] A Study on Pseudo Traffic Generation Using Machine Learning
Tetsuya Yamagiwa, Kohei Watabe, Kenji Nakagawa (Nagaoka Univ. of Tech.) CQ2019-38
When we constructing a network, it is important to use a traffic generator that generates realistic traffic and perform load... [more] CQ2019-38
pp.27-29
RCS, SR, SRW
(Joint)
2019-03-08
16:55
Kanagawa YRP Indoor Experimental Trial on SU-MIMO Transmission for High SHF Wide-band Massive MIMO in 5G
nobuhide nonaka, kazushi muraoka, satoshi suyama, jun mashino (DOCOMO), kenji nakagawa, kenichiro kamohara, manabu sakai, yoshitaka murata, hiroki iura (Mitsubishi), yukihiko okumura (DOCOMO) RCS2018-333
The fifth-generation (5G) mobile communication system will introduce Massive MIMO technology at higher frequency bands w... [more] RCS2018-333
pp.267-271
IN, NS
(Joint)
2019-03-05
13:50
Okinawa Okinawa Convention Center On Accurate Packet Loss Estimation Method for Networks without Traffic Models
Masahiro Terauchi, Kohei Watabe, Kenji Nakagawa (Nagaoka Univ. Tech.) IN2018-131
It is important to accurately model network traffic when we evaluate Quality of Service~(QoS) of networks through simula... [more] IN2018-131
pp.283-288
IN, NS
(Joint)
2019-03-05
14:10
Okinawa Okinawa Convention Center Estimation of packet drop rate by parallel path active measurement
Norinosuke Murai, Kohei Watabe, Kenji Nakagawa (Nagaoka Univ. of Technology) IN2018-132
In this paper, we propose a method to estimate packet drop rate by performing end-to-end multi-path active measurement o... [more] IN2018-132
pp.289-294
RCS, SIP, IT 2019-02-01
13:55
Osaka Osaka University Outdoor Experimental Trial on SU-MIMO Transmission for High SHF Wide-band Massive MIMO in 5G
Manabu Sakai, Kenji Nakagawa, Kenichiro Kamohara, Hiroki Iura, Naofumi Iwayama, Kazuaki Ishioka, Masayuki Yamamoto, Akihiro Okazaki (MELCO), Nobuhide Nonaka, Satoshi Suyama, Jun Mashino (NTT DOCOMO), Atsushi Okamura (MELCO), Yukihiko Okumura (NTT DOCOMO) IT2018-70 SIP2018-100 RCS2018-277
This paper reports the outdoor experimental trial on SU-MIMO transmission with 16 stream spatially–multiplexing using hy... [more] IT2018-70 SIP2018-100 RCS2018-277
pp.203-207
NS, IN
(Joint)
2018-03-02
10:00
Miyazaki Phoenix Seagaia Resort Estimation of Failure Locations by Path Integration/partition in Network Failure
Yohsuke Tsutsumi, Kohei Watabe, Kenji Nakagawa (Nagaoka Univ. of Technology) NS2017-198
 [more] NS2017-198
pp.175-180
RCS, SR, SRW
(Joint)
2018-03-01
11:50
Kanagawa YRP [Technology Exhibit] Indoor Experimental Verification of Multi-beam Spatial Multiplexing for High SHF Wide-band Massive MIMO in 5G
Hiroshi Nishimoto, Manabu Sakai, Kenji Nakagawa, Shigeru Uchida, Kazuaki Ishioka, Satoshi Yamaguchi, Hideyuki Nakamizo, Yoshitaka Murata, Kuniyuki Suzuki, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2017-354 SR2017-120 SRW2017-74
Recently, the fifth-generation mobile communications system (5G) in higher frequency bands has been extensively studied.... [more] RCS2017-354 SR2017-120 SRW2017-74
pp.215-216(RCS), pp.55-56(SR), pp.41-42(SRW)
CQ
(2nd)
2018-01-20
12:50
Tokyo Nishiwaseda Campus, Waseda Univ. [Poster Presentation] A Study of a Packet Loss Estimation Using Importance Sampling in Networks with Unknown Traffic
Masahiro Terauchi, Kohei Watabe, Kenji Nakagawa (Nagaoka Univ. of Technology)
Techniques for measuring the packet loss probability with high accuracy are important to ensure Service Level Agreements... [more]
CQ 2018-01-19
11:20
Tokyo NII Accurate Delay Estimation in Parallel Measurement of Multiple Probe Flows
Shintaro Hirakawa, Kohei Watabe, Kenji Nakagawa (Nagaoka Univ. of Technology) CQ2017-93
In this paper, we propose an accurate delay estimation method by active measurement using parallel probe flows.
In many... [more]
CQ2017-93
pp.45-50
RCS 2017-10-20
14:25
Miyagi Tohoku Institute of Technology [Invited Lecture] R&D Activities for 28 GHz Wide-band Massive MIMO in 5G
Shigeru Uchida, Satoshi Yamaguchi, Hideyuki Nakamizo, Kenji Nakagawa, Fumihiro Hasegawa, Noriyuki Fukui, Akihiro Okazaki, Tomokazu Hamada, Kuniyuki Suzuki, Kiyoshige Nakamura, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2017-196
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] RCS2017-196
pp.155-160
RCS, SAT
(Joint)
2017-08-18
13:50
Niigata Niigata Univ. Performance Evaluation of User Selection Algorithm for High-SHF-Band Massive MIMO by Using Real Propagation Channel Data
Hiroyuki Miyazaki, Satoshi Suyama, Tatsuki Okuyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO), Kenji Nakagawa, Kiyoshige Nakamura, Akihiro Okazaki (Mitsubishi Electric) RCS2017-166
The 5th generation mobile communication system (5G) will introduce the use of higher frequency band with wider bandwidt... [more] RCS2017-166
pp.123-128
NS, ASN, RCC, RCS, SR
(Joint)
2017-07-21
11:55
Hokkaido Hokkaido Univ. Propagation Experiment in LOS environment at 28GHz band for High SHF Wide-band Massive MIMO in 5G
Kenji Nakagawa, Shigeru Uchida, Kazuaki Ishioka, Kiyoshige Nakamura, Akihiro Okazaki (Mitsubishi Electric), Kei Satoh, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT docomo), Atsushi Okamura (Mitsubishi Electric) RCS2017-137
Recently, mobile communication technologies for the fifth generation (5G) in higher frequency bands have been extensivel... [more] RCS2017-137
pp.227-232
RCS, IN, NV
(Joint)
2017-05-11
09:45
Tokyo Kikai-Shinko-Kaikan Bldg. Performance Evaluation of High-SHF-Band Massive MIMO with Hybrid Beamforming by Using Real Propagation Channel Data
Hiroyuki Miyazaki, Kei Satoh, Satoshi Suyama, Jun Mashino (NTT DOCOMO), Kenji Nakagawa, Hideo Umehara, Akihiro Okazaki (Mitsubishi Electric), Yukihiko Okumura (NTT DOCOMO) RCS2017-31
The 5th generation mobile communication system (5G) will introduce the use of higher frequency band with wider bandwidth... [more] RCS2017-31
pp.7-12
IA, SITE, IPSJ-IOT [detail] 2017-03-04
13:50
Okinawa Culture Resort Festone (Okinawa) Speeding Up of Response to a Multi-query Using Data Replication Based on Relationship in Structured Overlay Network
Yusuke Koizumi, Kohei Watabe, Kenji Nakagawa (Nagaoka Univ. of Technology) SITE2016-83 IA2016-113
 [more] SITE2016-83 IA2016-113
pp.203-208
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