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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CQ (2nd) |
2017-01-21 12:30 |
Osaka | Osaka University Nakanoshima Center | [Poster Presentation]
A Method of Path Integration/division to Analyze a Failed Switch and its Failed Part Yohsuke Tsutsumi, Kohei Watabe (NUT), Takeru Inoue, Kimihiro Mizutani, Toru Mano, Osamu Akashi (NTT), Kenji Nakagawa (NUT) |
We have proposed a technique to identify a failure of network function such as access control while reducing the number ... [more] | |
| RCS, AP (Joint) |
2016-11-25 10:25 |
Kyoto | Kyoto International Community House | OFDM Performance of 5G Ultra High Capacity Massive MIMO Transmission based on Indoor Experiment Measurement at 44GHz band Kenji Nakagawa, Shigeru Uchida, Hiroki Iura, Hideki Morishige, Akihiro Okazaki (Mitsubishi Electric), Satoshi Suyama, Kei Satoh, Tatsunori Obara, Yukihiko Okumura (NTT docomo), Atsushi Okamura (Mitsubishi Electric)  RCS2016-202 |
Recently, mobile communication technologies for the fifth generation (5G) in heigher frequency bands have been extensive... [more] | RCS2016-202 pp.63-68 |
| RCS, AP (Joint) |
2016-11-25 10:50 |
Kyoto | Kyoto International Community House | Performance Evaluation of Nonlinear Precoding based on Indoor Experimental Channel Data at 44GHz band for 5G Ultra High Capacity Massive MIMO Shigeru Uchida, Kenji Nakagawa, Akinori Taira, Hiroshi Nishimoto, Hiroki Iura, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corporation) RCS2016-203 |
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] | RCS2016-203 pp.69-74 |
| RCS | 2016-06-23 15:15 |
Okinawa | Univ. of the Ryukyus | Antenna Configuration on SU-MIMO in High SHF-band and Wide-band Massive MIMO for 5G Kenji Nakagawa, Hiroki Iura, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric) RCS2016-71 |
Recently, radio access technologies based on Massive MIMO for the fifth generation (5G) in high frequency bands such as ... [more] | RCS2016-71 pp.147-152 |
| NS, IN (Joint) |
2016-03-04 10:40 |
Miyazaki | Phoenix Seagaia Resort | An Analysis Method of Network Troubles with Path Identification Kohei Watabe (Nagaoka Univ. of Tech.), Takeru Inoue, Kimihiro Mizutani, Toru Mano, Osamu Akashi (NTT), Kenji Nakagawa (Nagaoka Univ. of Tech.) IN2015-131 |
As networks get larger and more complex, network troubleshooting becomes a very important issue for network operators. ... [more] |
IN2015-131 pp.135-140 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-04 13:40 |
Tokyo | Tokyo Institute of Technology | [Invited Lecture]
Performance Evaluation of Massive MIMO System Based on Channel Measurement in 44GHz Band Hiroki Iura, Akinori Taira, Kenji Nakagawa, Shigeru Uchida, Kazuaki Ishioka, Hideki Morishige, Akihiro Okazaki (Mitsubishi Electric), Satoshi Suyama, Tatsunori Obara, Yukihiko Okumura (NTT docomo), Atsushi Okamura (Mitsubishi Electric) SR2015-115 |
[more] | SR2015-115 pp.157-162 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-04 14:30 |
Okinawa | Okinawa Prefectural Museum & Art Museum | [Invited Lecture]
Transmit Performance of Analog Beamforming MIMO System in Practical Outdoor Environment using High Frequency Band Hiroki Iura, Kenji Nakagawa, Uchida Shigeru, Akinori Taira, Akihiro Okazaki (Mitsubishi Electric), Satoshi Suyama, Tatsunori Obara, Yukihiko Okumura (NTT DOCOMO), Otsushi Okamrua (Mitsubishi Electric) AP2015-116 RCS2015-201 |
(To be available after the conference date) [more] | AP2015-116 RCS2015-201 pp.35-40(AP), pp.67-72(RCS) |
| SR, SRW (Joint) |
2015-10-27 09:30 |
Tokyo | KKE | [Technology Exhibit]
Multi-Beam Based Spatial Multiplexing for EHF-band Massive MIMO System and Evaluation by Outdoor Experimental Trial Akihiro Okazaki, Hideki Morishige, Kenji Nakagawa, Hiroki Iura, Shigeru Uchida, Kazuaki Ishioka (Mitsubishi Electric Corp.), Tatsunori Obara, Satoshi Suyama, Yukihiko Okuyama (NTT DOCOMO), Atsushi Okamura (Mitsubishi Electric Corp.) SR2015-55 SRW2015-36 |
5th generation mobile communication system using higher frequency band has gotten much attention, and massive-MIMO tech... [more] |
SR2015-55 SRW2015-36 pp.35-36 |
| RCS | 2015-10-01 13:00 |
Kanagawa | YRP (Yokosuka) | [Invited Lecture]
R&D Activities on 5G Base Station Design at High-SHF band Akihiro Okazaki, Shigeru Uchida, Kenji Nakagawa, Naohito Tomoe, Atsushi Okamura (Mitsubishi Electric) RCS2015-167 |
Recently, radio access technologies for the fifth generation (5G) have been extensively studied. Especially, at high-SHF... [more] | RCS2015-167 p.61 |
| RCC, ASN, RCS, NS, SR (Joint) |
2015-07-30 09:50 |
Nagano | JA Naganoken Bldg. | [Encouragement Talk]
A Proposal of Unbiased Estimation Using Active Measurement for Access Delay of Wireless Communications Kohei Watabe, Kenji Nakagawa (Nagaoka Univ. of Tech.) NS2015-39 |
In active measurements in which probe packets are injected into a target network, there is a problem wherein probe packe... [more] | NS2015-39 pp.13-18 |
| RCC, ASN, RCS, NS, SR (Joint) |
2015-07-31 14:25 |
Nagano | JA Naganoken Bldg. | Improvement for Throughput and Fairness in Multi-hop Wireless Ad-hoc Networks Nguyen Minh Tuan, Kenji Nakagawa, Kohei Watabe (Nagaoka Univ. of Tech.) NS2015-64 |
Using the protocol IEEE 802.11, multi-hop wireless ad hoc networks yield only a poor performance, especially in throughp... [more] | NS2015-64 pp.159-164 |
| RCS, IN (Joint) |
2015-05-21 09:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Antenna Configuration of 5G Ultra High Capacity Massive MIMO Transmission based on Outdoor Fundamental Experiment Trial at 44GHz Band Kenji Nakagawa, Hiroki Iura, Akinori Taira, Kazuaki Ishioka, Akihiro Okazaki (Mitsubishi Electric), Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO), Atsushi Okamura (Mitsubishi Electric) RCS2015-24 |
Recently, radio access technologies for the fifth generation (5G) in higher frequency bands have been extensively studie... [more] | RCS2015-24 pp.7-12 |
| RCS | 2015-04-17 15:15 |
Oita | Yufuin, Yufugoukan | Multi-Beam Multiplexing Technologies for 5G Ultra High Capacity Massive MIMO Transmission and Evaluation by Outdoor Fundamental Experiment Trial at 44GHz Band Akihiro Okazaki, Hiroki Iura, Kenji Nakagawa, Kazuaki Ishioka, Kazunari Kihira, Atsushi Okamura (Mitsubishi Electric), Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2015-22 |
Recently, radio access technologies for the fifth generation (5G) in higher frequency bands have been extensively studie... [more] | RCS2015-22 pp.119-124 |
| ICM, CQ, NS, NV (Joint) |
2014-11-13 16:00 |
Kochi | Kochi-City-Culture-Plaza CUL-PORT | [Invited Talk]
Network Performance Evaluation by High Speed Simulation Kenji Nakagawa (Nagaoka Univ. of Tech.) NS2014-135 CQ2014-78 ICM2014-26 |
In this paper, we present a high speed simulation method for estimating the packet loss probability of a queue. Usual M... [more] | NS2014-135 CQ2014-78 ICM2014-26 pp.39-45(NS), pp.39-45(CQ), pp.57-63(ICM) |
| ICM, CQ, NS, NV (Joint) |
2014-11-14 09:00 |
Kochi | Kochi-City-Culture-Plaza CUL-PORT | A Proposal of Intrusiveness-aware Estimation for a Packet Delay Distribution Kohei Watabe, Kenji Nakagawa (Nagaoka Univ. of Tech.) NS2014-136 |
The active measurement of network quality, in which probe packets are injected into a network, is hindered by the intru... [more] |
NS2014-136 pp.47-52 |
| RCS, SAT (Joint) |
2013-08-30 10:55 |
Nagano | Shinshu Univ. | A Novel Out-of-Band Spectrum Suppression Method without Data Loss Fumihiro Hasegawa, Kenji Nakagawa, Masatsugu Higashinaka, Akihiro Okazaki, Fumio Ishizu (Mitsubishi Electric) RCS2013-133 |
SC-OFDM(Single Carrier Orthogonal Frequency Division Multiplexing) has received attention in recent years because of its... [more] | RCS2013-133 pp.57-62 |
| RCS, IN (Joint) |
2009-05-22 11:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Proposal and realization for Home appliance services linked by Home gateway Nobuhiro Kobayashi (Nagaoka Univ of Tech.), Motofumi Tanabe, Shingo Soma, Tetsuya Yokotani (MitsubishiElectric Corp.), Kenji Nakagawa (Nagaoka Univ of Tech.) IN2009-11 |
With the popularization of the broadband, various networked home appliances have been developed and marketed. Because of... [more] | IN2009-11 pp.61-66 |
| NS | 2009-04-16 13:50 |
Tokyo | Shibaura Institute of Technology (Tokyo) | A Study on Deterministic End-to-End Delay Bounds with Sink-Tree Aggregation Yosuke Kanai, Kenji Nakagawa (Nagaoka Univ. of Tech.) NS2009-3 |
This paper disscusses on new deterministic delay bound analysis scheme which gives better accuracy than conventional one... [more] | NS2009-3 pp.9-14 |
| NS | 2009-04-17 10:20 |
Tokyo | Shibaura Institute of Technology (Tokyo) | [Encouragement Talk]
Per-Flow Fairness and Throughput Improvement in Multi-Hop Wireless Ad Hoc Networks Pham Thanh Giang, Kenji Nakagawa (Nagaoka Univ. of Tech.) NS2009-13 |
IEEE 802.11 MAC protocol for medium access control in wireless \textit{Local Area Networks} (LANs) is the \textit{de fac... [more] | NS2009-13 pp.65-70 |
| NS | 2008-06-19 16:15 |
Niigata | Nagaoka University of Technology | Scheduling Algorithms for Performance and Fairness over 802.11 Multi-Hop Wireless Ad Hoc Networks Pham Thanh Giang, Kenji Nakagawa (Nagaoka Univ Tech) NS2008-21 |
[more] | NS2008-21 pp.19-24 |
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