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IEICE Trans

Maki ARAI

Rectifier Circuit using High-Impedance Feedback Line for Microwave Wireless Power Transfer Systems
Seiya MIZUNO Ryosuke KASHIMURA Tomohiro SEKI Maki ARAI Hiroshi OKAZAKI Yasunori SUZUKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 552-558
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
wireless power transfer, rectifier circuit, feedback line, microwave frequency, quasi-millimeter and millimeter-wave frequency, 
 Summary | Full Text:PDF
A Study on Optimal Beam Patterns for Single User Massive MIMO Transmissions
Maki ARAI Kei SAKAGUCHI Kiyomichi ARAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2019/02/01
Vol. E102-B  No. 2  pp. 324-336
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
massive MIMO, beamforming, beam pattern, directivity, spherical mode expansion, capacity maximization, 
 Summary | Full Text:PDF
26 GHz Band Extremely Low-Profile Front-End Configuration Employing Integrated Modules of Patch Antennas and SIW Filters
Yasunori SUZUKI Takana KAHO Kei SATOH Hiroshi OKAZAKI Maki ARAI Yo YAMAGUCHI Shoichi NARAHASHI Hiroyuki SHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2017/12/01
Vol. E100-C  No. 12  pp. 1097-1107
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
array antenna, SIW filter, 3D-MMIC, lower profile, radio access unit, 
 Summary | Full Text:PDF
Optimal Design Method of MIMO Antenna Directivities and Corresponding Current Distributions by Using Spherical Mode Expansion
Maki ARAI Masashi IWABUCHI Kei SAKAGUCHI Kiyomichi ARAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2017/10/01
Vol. E100-B  No. 10  pp. 1891-1903
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
MIMO, antenna directivity, antenna structure, current distribution, spherical mode expansion, capacity maximization, 
 Summary | Full Text:PDF
Alignment Tolerance in Multiple-Stream Transmission Using Orthogonal Directivities under Line-of-Sight Environments
Maki ARAI Tomohiro SEKI Ken HIRAGA Kazumitsu SAKAMOTO Tadao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/06/01
Vol. E99-B  No. 6  pp. 1362-1370
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
MIMO, directivity, spatial division, channel capacity, 
 Summary | Full Text:PDF
Orthogonalized Directional MIMO Transmission Using Higher Order Mode Microstrip Antennas
Maki ARAI Tomohiro SEKI Ken HIRAGA Kazumitsu SAKAMOTO Hideki TOSHINAGA Tadao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/01/01
Vol. E99-B  No. 1  pp. 48-57
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas, Propagation and Wireless Systems Related to Topics in ISAP2014)
Category: Antennas and Propagation
Keyword: 
MIMO, directivity, higher order mode, capacity, 
 Summary | Full Text:PDF
Spatial Division Transmission without Signal Processing for MIMO Detection Utilizing Two-Ray Fading
Ken HIRAGA Kazumitsu SAKAMOTO Maki ARAI Tomohiro SEKI Tadao NAKAGAWA Kazuhiro UEHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/11/01
Vol. E97-B  No. 11  pp. 2491-2501
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
spatial division transmission, array a ntennas, parallel transmission, line-of-sight (LOS), two-ray ground reflection model, reflection coefficient, polarization, 
 Summary | Full Text:PDF