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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 111  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2021-05-21
11:35
Online Online Gain Enhancement of a Beam Steering MIMO Antenna By Means of Unequal Power Excitation Circuit
Kazuhiro Honda, Hiroya Tanaka, Koichi Ogawa (Toyama Univ.) AP2021-14
In theory, the operation of a beam steering MIMO antenna can be verified using an attenuator to set a complex excitation... [more] AP2021-14
pp.26-31
AP 2021-04-16
14:00
Hyogo Kinosaki International Arts Center
(Primary: On-site, Secondary: Online)
Automatic Over-The-Air Evaluation of a Large-Scale MIMO Antenna Using a Switch Circuit
Rio Kitamura, Kazuhiro Honda, Koichi Ogawa (Toyama Univ.) AP2021-6
 [more] AP2021-6
pp.28-33
AP 2021-04-16
14:25
Hyogo Kinosaki International Arts Center
(Primary: On-site, Secondary: Online)
Multiple Helix Large-Scale MIMO Antenna for Inter-Flying Car High-Speed Communications at Plural Target Directions
Kazuhiro Honda, Koichi Ogawa (Toyama Univ.) AP2021-7
The author presented a multiple helix array structure for realizing a 256 × 256 large-scale MIMO antenna. In this archit... [more] AP2021-7
pp.34-39
AP 2021-03-26
10:35
Online Online MIMO Antenna Gain for Evaluating the Effective Performance of a Compact MIMO Radio and its Application to Antenna Design
Koichi Ogawa (Toyama Univ.) AP2020-135
This paper presents a new figure-of-merit, “MIMO antenna gain” (MAG), for evaluating the effective performance of a hand... [more] AP2020-135
pp.19-24
AP 2021-02-18
15:25
Online Online [Special Talk] An Over 100 Gbps Large-Scale MIMO Antenna with Multiple Helix Array
Koichi Ogawa (Toyama Univ.) AP2020-120
This paper presents a 256 × 256 large-scale MIMO antenna with multiple helix array structure. The proposed structure can... [more] AP2020-120
pp.23-28
AP 2020-12-17
14:25
Online Online Over-The-Air Apparatus for Large-Scale MIMO Antennas with Controllable the Number of Paths
Kazuhiro Honda, Koichi Ogawa (Toyama Univ.) AP2020-99
 [more] AP2020-99
pp.18-23
RCS, AP, UWT
(Joint)
2020-11-27
15:15
Online Online Over-The-Air Apparatus for Large-Scale MIMO Antennas to Create the Full-Rank Channel Matrix
Kazuhiro Honda, Koichi Ogawa (Toyama Univ.) AP2020-92
 [more] AP2020-92
pp.101-106
MW, AP
(Joint)
2020-09-25
13:05
Online Online EM-Decoupled Weighted Combining Orthogonal Dipole Array Rotating Electric Field Vectors in Synchronization with Flying Cars Propeller
Kazuhiro Honda, Koichi Ogawa (Toyama Univ.) AP2020-66
 [more] AP2020-66
pp.156-161
MW, AP
(Joint)
2020-09-25
13:30
Online Online Miniaturization of a 256 × 256 Large-Scale MIMO Antenna
Koichi Ogawa (Toyama Univ.) AP2020-67
Previously, we have presented a 256 × 256 large-scale MIMO antenna that achieves an over-100 Gbps channel capacity over ... [more] AP2020-67
pp.162-167
AP 2020-08-21
11:40
Online Online Convolution-Based Extraction of Angular Spread Using a Small Yagi Antenna and its OTA Assessment
Koichi Ogawa (Toyama Univ.) AP2020-29
 [more] AP2020-29
pp.33-38
AP, SANE, SAT
(Joint)
2020-07-15
13:40
Online Online A Miniaturized Large-Scale MIMO Antenna for Mobile Stations Using the Double-Ring Structure
Koichi Ogawa (Toyama Univ.) AP2020-13
 [more] AP2020-13
pp.21-26
AP, SANE, SAT
(Joint)
2020-07-17
13:25
Online Online An EM Analysis of Propeller on Inter-Flying Cars MIMO Communication
Koichi Ogawa (Toyama Univ.) AP2020-21
 [more] AP2020-21
pp.69-74
AP 2020-06-18
14:25
Online Online Correlation Control of Random Variables for Setting the Number of Paths in Large-Scale MIMO Monte-Carlo Simulation
Koichi Ogawa (Toyama Univ.) AP2020-8
 [more] AP2020-8
pp.13-18
AP 2020-04-23
13:30
Mie Jingu-kaikan (Ise)
(Cancelled but technical report was issued)
Mechanism Analysis on the AOA Antenna Performance Using the Vector Combination of Radiation Patterns
Nana Narukawa, Koichi Ogawa (Toyama Univ.) AP2020-1
 [more] AP2020-1
pp.1-6
AP 2020-02-21
14:30
Shizuoka Shizuoka Univ. Hamamatsu Campus EM-Transparency Mechanism for Improving Angular Accuracy of a Reactively Loaded 32×32 MIMO/AOA Multi-Functional Antenna
Nana Narukawa, Koichi Ogawa (Toyama Univ.) AP2019-194
 [more] AP2019-194
pp.75-80
MI 2020-01-30
09:30
Okinawa OKINAWAKEN SEINENKAIKAN Development of OCT Simulator using KTN Wavelength Swept Light Source.
Masashi Nakamura, Kazumi Murata, Koichi Ogawa (Hosei Univ.) MI2019-96
Optical Coherence Tomography (OCT) is used to acquire tomographic images in the retina of an eye. This is an imaging dev... [more] MI2019-96
pp.141-145
MI 2020-01-30
13:25
Okinawa OKINAWAKEN SEINENKAIKAN [Poster Presentation] Ring-artefact removal based on compressed sensing for photon-counting CT
Kazumi Murata, Koichi Ogawa (Hosei Univ.) MI2019-107
Photon-counting CT is an emergence technology which has many advantages compared with conventional CT. However, ring-art... [more] MI2019-107
pp.185-188
MI 2020-01-30
13:25
Okinawa OKINAWAKEN SEINENKAIKAN [Poster Presentation] At-211 imaging with a static SPECT system
Michi Okoshi, Hiroki Yamada, Kazumi Murata, Koichi Ogawa (Hosei Univ.) MI2019-108
An alpha-ray irradiation therapy with At-211 has been a recent research interest.
At-211 decays with X and/or gamma-ray... [more]
MI2019-108
pp.189-192
AP, WPT
(Joint)
2020-01-23
12:20
Kagawa Sunport Hall Takamatsu High Efficiency Evaluation of MW-Band Coaxial Dielectric Resonator Rectenna Using an Equivalent Circuit
Yuki Futagi, Kazuhiro Honda, Koichi Ogawa (Toyama Univ.) WPT2019-49
 [more] WPT2019-49
pp.1-6
AP 2019-10-17
12:30
Osaka Osaka Univ. [Poster Presentation] BER-OTA Testing of Vehicular MRC Adaptive Array with Weighted Polarization Combining
Taishi Oda, Kazuhiro Honda, Koichi Ogawa (Toyama Univ.) AP2019-81
 [more] AP2019-81
pp.11-16
 Results 1 - 20 of 111  /  [Next]  
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