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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 21  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SANE 2020-06-26
13:00
Online Online Three-dimensional Radar Imaging of Near-field Scatterers Mutually Coupled with an Antenna Array
Takuma Watanabe (Fujitsu), Hiroyoshi Yamada (Niigata Univ.), Yasuyuki Oishi (Fujitsu) SANE2020-9
Mutual coupling is the electromagnetic interaction between antenna array elements, and it is known to degrade the accura... [more] SANE2020-9
pp.1-6
MW, AP
(Joint)
2019-09-20
10:20
Kanagawa JAXA (Sagamihara) Radar-based Imaging of Near-field Scatterers of Antenna Arrays
Takuma Watanabe (Fujitsu), Hiroyoshi Yamada (Niigata Univ.), Daisuke Ogawa, Yasuyuki Oishi (Fujitsu) AP2019-75
Mutual coupling is an electromagnetic phenomenon such as the scattering and re-radiation from antenna array elements, an... [more] AP2019-75
pp.31-36
SANE 2019-08-23
13:00
Tokyo Electric Navigation Research Institute Three-dimensional Reconstruction of Man-made Structures for Multibaseline Circular SAR Measurements
Takuma Watanabe, Daisuke Ogawa, Yasuyuki Oishi (Fujitsu) SANE2019-38
Circular synthetic aperture radar (CSAR) is a microwave imaging technique which employs a circular flight trajectory of ... [more] SANE2019-38
pp.19-24
SANE 2019-08-23
14:25
Tokyo Electric Navigation Research Institute Super-resolution Scattering Direction Estimation for Circular SAR Imagery
Takuma Watanabe, Daisuke Ogawa, Yasuyuki Oishi (Fujitsu) SANE2019-41
Circular synthetic aperture radar (CSAR) is a microwave imaging technique which employs a circular flight trajectory of ... [more] SANE2019-41
pp.37-42
SANE 2019-04-16
10:30
Kanagawa Defense Academy; Defense Training Institute Near-Field-to-Far-Field Transformation from an ISAR Image of a Target with Frequency-Dependent Reflectivity
Takuma Watanabe, Daisuke Ogawa, Yoshiyuki Suzuki, Yasuyuki Oishi (Fujitsu) SANE2019-4
Radar sensing technologies are widely utilized in civilian applications such as automotive radar systems for collision a... [more] SANE2019-4
pp.15-20
RCS, AP
(Joint)
2009-11-26
11:10
Tokyo Tokyo Inst. of Tech. Experimental Analysis of Dual-polarized MIMO systems in Small Urban Macrocell Environments
Yohei Konishi, Lawrence Materum, Jun-ichi Takada (Tokyo Inst. of Tech.), Ichirou Ida, Yasuyuki Oishi (Fujitsu Ltd.) RCS2009-139
This paper presents clusterwise polarization characteristics based on an estimated MIMO channel of a small urban macroce... [more] RCS2009-139
pp.37-42
MW 2009-03-06
09:50
Tokyo NHK Science & Technical Research Lab. Polarization Characteristics of a Small Urban MIMO Macrocell
Yohei Konishi, Lawrence Materum, Mir Ghoraishi, Jun-ichi Takada (Tokyo Inst. of Tech.), Ichirou Ida, Yasuyuki Oishi (Fujitsu Ltd.) MW2008-191
This report presents clusterwise polarization characteristics taken from an estimated MIMO channel of a small urban macr... [more] MW2008-191
pp.13-18
AP 2008-04-17
13:25
Osaka Osaka Electro-Communication University Clustering Results of Estimated MIMO Double-Directional Channel Data of a Small Macrocell
Lawrence Materum, Jun-ichi Takada (Tokyo Inst. of Tech.), Ichirou Ida, Yasuyuki Oishi (Fujitsu) AP2008-5
 [more] AP2008-5
pp.23-28
SR 2007-07-26
14:00
Kanagawa   [Technology Exhibit] Development of RF-Adaptive Array Antennas for MIMO Systems Using RF-MEMS Devices
Atsushi Honda (Fujitsu), Quoc Tuan Tran (Osaka Univ.), Shinsuke Hara (Osaka City Univ.), Hiroya Tanaka, Jun-ichi Takada (Tokyo Institute of Tech.), Sorwar Hossain, Ichirou Ida, Yasuyuki Oishi (Fujitsu) SR2007-26
This paper describes experimental results of an antenna selection system that is applied to a receiver side of multiple-... [more] SR2007-26
pp.35-38
RCS, MoNA, WBS, SR, MW
(Joint)
2007-03-07
14:20
Kanagawa YRP Performance of MIMO System with Receive Antenna Selection in Real Environment
Quoc Tuan Tran (Osaka Univ.), Shinsuke Hara (Osaka City Univ.), Kriangsak Sivasondhivat, Jun-ichi Takada (Tokyo Inst. of Tech.), Atsushi Honda, Yuuta Nakaya, Ichirou Ida, Yasuyuki Oishi (Fujitsu)
 [more] WBS2006-52
pp.49-54
RCS, MoNA, WBS, SR, MW
(Joint)
2007-03-09
15:00
Kanagawa YRP Research and Standardization activty for IEEE802.15.3c mmW WPAN -- (1) Overview --
Shuzo Kato, Yozo Shoji, Hiroshi Harada (NICT), Makoto Ando (TITEC), Hideto Ikeda (OKI), Yasuyuki Oishi (FUJITSU), Kenichi Kawasaki (SONY), Kazuaki Takahashi (Matsushita), Ichihiko Toyoda (NTT), Hiroyuki Nakase (TOHOKU UNIV.), Kenichi Maruhashi (NEC) RCS2006-278
This paper describes WPAN (Wireless PAN at 60 GHz) standardization activities at IEEE 8082.15.3c, which is supposed to t... [more] RCS2006-278
pp.175-178
RCS, MoNA, WBS, SR, MW
(Joint)
2007-03-09
15:20
Kanagawa YRP Research and Standardization activty for IEEE802.15.3c mmW WPAN -- (2) Target applications and Usage Models --
Yozo Shoji, Chang-Soon Choi, Shuzo Kato (NICT), Ichihiko Toyoda (NTT), Kenichi Kawasaki (SONY), Yasuyuki Oishi (FUJITSU), Kazuaki Takahashi (Matsushita), Hiroyuki Nakase (Tohoku University) RCS2006-279
IEEE802.15.3c (TG3c) is working to create a IEEE standard for WPAN that can operate in an unlicensed 60-GHz band. The au... [more] RCS2006-279
pp.179-182
RCS, MoNA, WBS, SR, MW
(Joint)
2007-03-09
16:30
Kanagawa YRP Research and Standardization activty for IEEE802.15.3c mmW WPAN -- (5) Study on essential items for 15.3cMAC --
Fumihide Kojima, Zhou Lan, Chang-Woo Pyo, Shuzo Kato (NICT), Hiroyuki Nakase (Tohoku Univ.), Yukimasa Nagai, Takahisa Yamauchi (Mitsubishi), Tadahiko Maeda, Hideto Ikeda (Oki), Yasuyuki Oishi (FUJITSU Labo.) RCS2006-282
Conventional 15.3MAC cannot cope with IEEE802.15.3c-high-speed-PHY without suitable modifications in its specifications.... [more] RCS2006-282
pp.191-194
AP 2007-02-08
13:50
Tokyo Kikai-Shinko-Kaikan Bldg. Wideband Double-Directional Channel Measurements in a Small-Urban Macrocell at 4.5 GHz
Lawrence Materum, Kriangsak Sivasondhivat, Jun-ichi Takada (Tokyo Inst. of Tech.), Ichirou Ida, Yasuyuki Oishi (Fujitsu Limited.) AP2006-138
We present our measurement results of the MIMO propagation channel. They were done in a small urban macrocell at 4.5 GHz... [more] AP2006-138
pp.13-17
AP 2007-02-08
14:15
Tokyo Kikai-Shinko-Kaikan Bldg. Double Directional Channel Characteristics of Line-of-Sight Microcell Environment inside University Campus
Navarat Lertsirisopon, Gilbert Siy Ching, Mir Ghoraishi, Jun-ichi Takada (Tokyo Inst. of Tech.), Ichirou Ida, Yasuyuki Oishi (Fujitsu Limited) AP2006-139
 [more] AP2006-139
pp.19-24
AP 2006-12-14
10:00
Tokyo Kikai-Shinko-Kaikan Bldg. Performance Evaluation of RF Adaptive Array Antennas Based on Indoor Propagation Measurement
Hiroya Tanaka, Kriangsak Sivasondhivat, Jun-ichi Takada (Tokyo Inst. of Tech.), Atsushi Honda, Sorwar Hossain, Ichirou Ida, Yasuyuki Oishi (Fujitsu) AP2006-99
 [more] AP2006-99
pp.17-22
SR 2006-07-27
14:00
Kanagawa YRP [Technology Exhibit] Development of An Adaptive Antenna system with RF-MEMS Variable Capacitors
Atsushi Honda, Sorwar Hossain, Takeaki Shimanouchi (Fujitsu), Hiroya Tanaka, Jun-ichi Takada (Tokyo Tech), Shinsuke Hara (Osaka City Univ.), Ichirou Ida, Yasuyuki Oishi (Fujitsu) SR2006-15
 [more] SR2006-15
pp.13-16
AP 2005-12-15
09:55
Tokyo Tokyo Inst. of Tech. Full polarimetric 3-D double directional channel measurement in a NLOS macrocellular environment
Kriangsak Sivasondhivat, Jun-ichi Takada, Markus Landmann (Tokyo Inst. of Tech.), Ichirou Ida, Yuuta Nakaya, Yasuyuki Oishi (Fujitsu)
This paper reports the results from a measurement in a residential NLOS macrocellular environment. Based on the concept ... [more] AP2005-117
pp.7-12
SR 2005-07-28
- 2005-07-29
Kanagawa Yokosuka Research Park Adaptive Impedance Matching System for Mobile Antennas
Ichirou Ida (Fujitsu Ltd.), Jun-ichi Takada (Tokyo Tech), Yasuyuki Oishi (Fujitsu Ltd.)
 [more] SR2005-42
pp.143-146
RCS, AP, WBS, MW, MoNA 2005-03-04
11:10
Kanagawa Yokosuka Research Park Interference Suppression Performance of RF-combining Adaptive Array Antenna Configured with Variable Capacitors
Hiroya Tanaka, Jun-ichi Takada (Tokyo Inst. of Tech.), Ichirou Ida, Yasuyuki Oishi (Fujitsu Ltd.)
 [more] WBS2004-150 AP2004-331 RCS2004-418 MoMuC2004-201 MW2004-328
pp.169-172
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