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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 31  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CQ 2019-05-30
10:55
Hiroshima Hiroshima City University A study on monopole feed multi-directional transmission system using parasitic elements
Tsutomu Mitsui, Takefumi Hiraguri (NIT), Kentaro Nishimori (Niigata Univ.)
In this paper, we verified the basic effect of parasitic elements that enhances coupling by computer simulation then eva... [more] CQ2019-11
pp.7-12
SRW 2018-08-20
16:25
Okayama Okayama Univ. [Invited Talk] Localization of Unknown Radios in Urban Environments -- On-campus Experiment Results --
Azril Haniz, Gia Khanh Tran, Kei Sakaguchi, Jun-ichi Takada (Tokyo Tech.), Toshihiro Yamaguchi, Tsutomu Mitsui, Shintaro Arata (Koden)
Conventional fingerprint-based localization techniques may fail to accurately localize targets if their signal parameter... [more] SRW2018-20
pp.63-68
AP, SANE, SAT
(Joint)
2018-07-19
12:35
Hokkaido Hokkaido Univ. Multi-beam massive MIMO using SD-CMA with variable step size
Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Kazuki Maruta (Chiba Univ.), Takefumi Hiraguri (NIIT), Tsutomu Mitsui (Niigata Univ.)
 [more] AP2018-51
pp.55-60
CS 2018-07-12
09:50
Okinawa Eef Information Plaza (Kumejima Is.) Proposal of drones formation flight suitable for wireless mesh networks
Takefumi Hiraguri (NIT), Tomotaka Kimura (Doshisha Univ.), Isamu Shitara (NIT), Kentaro Nishimori (Niigata Univ.), Tsutomu Mitsui (NIT)
 [more] CS2018-15
pp.19-24
CS 2018-07-12
10:50
Okinawa Eef Information Plaza (Kumejima Is.) Proposal of Cooperative Retransmission Control Scheme in Drones Network
Yusaku Takahira, Takefumi Hiraguri (NIT), Kentaro Nishimori (Niigata Univ.), Yoshiaki Morino, Isamu Shitara, Tsutomu Mitsui, Hideaki Yoshino (NIT)
We propose a cooperative retransmission control scheme that achieves high reliability and high trans-
mission efficienc... [more]
CS2018-21
pp.51-55
EE, WPT, IEE-SPC 2018-07-03
09:00
Hokkaido Hokkaido University A monopole fed multidirectional power transmission system using parasitic elements
Tsutomu Mitsui, Takefmi Hiraguri (NIT), Kentaro Nishimori (Niigata Univ.)
 [more] WPT2018-19
pp.53-56
AP 2018-04-20
13:05
Tokyo Hachijomachi-Shokokai Basic configuration and performance of massive MIMO testbed at 19 GHz band
Kentaro Nishimori, Ryotaro Taniguchi, Fumiya Muramatsu, Ryuki Maruyama, Shota Ogawa (Niigata Univ.), Takefumi Hiraguri (NIIT), Tsutomu Mitsui (Niigata Univ.), Shigeki Morisawa (RF testLab), Jiro Hirokawa (TIT)
 [more] AP2018-9
pp.41-46
CQ, MVE, IE, IMQ
(Joint) [detail]
2018-03-08
09:30
Okinawa Okinawa Industry Support Center Experimental results on massive MIMO at 19GHz band in actual indoor environment
Kentaro NIshimori, Ryotaro Taniguchi, Fumiya Muramatsu, Ryuki Maruyama, Shota Ogawa (Niigata Univ), Takefumi Hiraguri (NIIT), Tsutomu Mitsui (Niigata Univ), Shigeki Morisawa (RF Testlab), Jiro Hirokawa (TIT)
 [more] CQ2017-103
pp.1-6
AP 2018-03-09
13:50
Gunma Hotel Ichii (Kusatsu, Gunma) A study on antenna arrangement by massive MIMO transmission in small cell
Tsutomu Mitsui, Kentaro Nishimori, Yuji Sato, Ryotaro Taniguchi, Takefumi Hiraguri (Niigata Univ.)
 [more] AP2017-202
pp.57-62
RCS, SR, SRW
(Joint)
2018-03-02
09:00
Kanagawa YRP [Invited Lecture] Machine Learning Based Regression of Fingerprint Database for Unknown Radio Localization
Azril Haniz, Gia Khanh Tran, Kei Sakaguchi, Jun-ichi Takada (Tokyo Tech), Toshihiro Yamaguchi, Tsutomu Mitsui, Shintaro Arata (Koden Electronics)
Conventional fingerprinting techniques may face difficulties in dealing with the localization of unknown radios, due to ... [more] SR2017-129
pp.81-88
ASN 2018-01-30
14:15
Oita Yufugo-kan (Oita) Proposal of MU-MIMO Cooperative Retransmission Control Scheme in Wireless LAN Systems
Kiyoshi Toshimitsu (TDSC), Takefumi Hiraguri (NIT), Kentaro Nishimori (Niigata Univ.), Yoshiaki Morino, Isamu Shitara, Tsutomu Mitsui, Hideaki Yoshino (NIT)
In this paper, we propose a MU-MIMO cooperative retransmission control scheme to achieve high reliability and high trans... [more] ASN2017-91
pp.47-52
SR 2018-01-26
11:45
Fukuoka Fukuoka univ. Evaluation on Propagation Environment Control Method by MIMO and Drone Relay Station
Naoki Matsumura, Kentaro Nishimori, Ryotaro Taniguchi, Tsutomu Mitsui (Niigata Univ.), Takefumi Hiraguri (NIT)
 [more] SR2017-105
pp.69-74
SR 2018-01-26
16:05
Fukuoka Fukuoka univ. Implementation of Collision Avoidance Control using Optimized CW
Takumi Endo, Takefumi Hiraguri, Yoshiaki Morino, Takuya Shindo, Isamu Shitara (NIT), Takahiro Matsuda (Osaka Univ.), Kentaro Nishimori (Niigata Univ.), Hideaki Yoshino, Tsutomu Mitsui (NIT), Mikio Hasegawa (Tokyo University of Science)
 [more] SR2017-111
pp.103-107
AP, RCS
(Joint)
2017-11-08
14:30
Fukuoka Fukuoka University [Invited Lecture] Propagation environment control method using massive MIMO and relay drones
Kentaro Nishimori, Naoki Matsumura, Ryotaro Taniguchi, Tsutomu Mitsui (Niigata Univ.), Takefumi Hiraguri (NIT)
 [more] AP2017-116 RCS2017-213
pp.43-48(AP), pp.47-52(RCS)
AP, RCS
(Joint)
2017-11-09
13:00
Fukuoka Fukuoka University [Invited Lecture] Beam selection method at user terminals in Massive MU-MIMO transmission with huge number of users
Kentaro Nishimori, Yoshiki Shirasawa, Ryotaro Taniguchi, Tsutomu Mitsui (Niigata Univ.), Takefumi Hiraguri (NIT)
 [more] AP2017-125 RCS2017-230
pp.91-95(AP), pp.147-151(RCS)
SR, SRW
(Joint)
2017-10-23
14:00
Overseas Grand Hotel Palatino, Rome, Italy [Poster Presentation] Deterministic and Probabilistic Fingerprint-based Localization utilizing RSS and Phase-difference
Azril Haniz, Gia Khanh Tran, Kei Sakaguchi, Jun-ichi Takada (Tokyo Tech), Toshihiro Yamaguchi, Tsutomu Mitsui, Shintaro Arata (Koden Electronics)
Fingerprint-based localization is expected to be superior than conventional techniques in non-line-of-sight (NLOS) envir... [more] SR2017-69 SRW2017-22
pp.11-18(SR), pp.17-24(SRW)
SANE 2017-08-24
16:00
Osaka OIT UMEDA Campus Drones mesh network control using directional beams
Takefumi Hiraguri (NIT), Kentaro Nishimori (Niigata Univ.), Isamu Shitara, Kenta Tokue, Daichi Shinbo, Tsutomu Mitsui (NIT)
 [more] SANE2017-33
pp.27-30
CQ 2016-08-29
10:00
Ibaraki Tsukubasan Study of Multidirectional Power Transmission System using a Monopole Antenna and No-fed Elements
Masami Nakayama (N.I.T), Tsutomu Mitsui (Niigata Univ.), Yoshiaki Morino (N.I.T), Kentarou Nishimori (Niigata Univ.), Takehumi Hiraguri (N.I.T)
In late years a wireless magnetic resonance system gain worldwide publicity attracts attention. The power transmission s... [more] CQ2016-47
pp.1-4
CQ
(2nd)
2016-08-28
10:40
Ibaraki Tsukubasan Evaluation of monopole antenna and no-fed elements for the multidirectional power transmission system
Masami Nakayama (NIT), Tsutomu Mitsui (Niigata Univ.), Isamu Shitara, Yoshiaki Morino (NIT), Kentarou Nishimori (Niigata Univ.), Takefumi Hiraguri (NIT)
In late years a wireless magnetic resonance system gain worldwide publicity attracts attention. The power transmission s... [more]
AP 2015-05-22
09:55
Nara Naraken Shakai Fukushi Sougou Center (Kashihara City) Simple Calibration Method using Known Direction of Living-body for Array Antenna
Dai Sasakawa, Keita Konno, Naoki Honma (Iwate Univ.), Kentaro Nishimori (Niigata Univ.), Nobuyasu Takemura (Nippon Inst. of Tech.), Tsutomu Mitsui (Samsung R&D Institute Japan), Yoshitaka Tsunekawa (Iwate Univ.)
 [more] AP2015-23
pp.25-30
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