Keyword : directivity

A Study on Optimal Beam Patterns for Single User Massive MIMO Transmissions
Maki ARAI Kei SAKAGUCHI Kiyomichi ARAKI 
Publication:   
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
Availability of Reference Sound Sources for Qualification of Hemi-Anechoic Rooms Based on Deviation of Sound Pressure Level from Inverse Square Law
Keisuke YAMADA Hironobu TAKAHASHI Ryuzo HORIUCHI 
Publication:   
Publication Date: 2018/01/01
Vol. E101-A  No. 1 ; pp. 211-218
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
hemi-anechoic room, inverse-square law, reference sound source, sound power level, directivity, 
 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
Classification of Electromagnetic Radiation Source Models Based on Directivity with the Method of Machine Learning
Zhuo LIU Dan SHI Yougang GAO Junjian BI Zhiliang TAN Jingjing SHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/07/01
Vol. E98-B  No. 7 ; pp. 1227-1234
Type of Manuscript:  Special Section PAPER (Special Section on Electromagnetic Compatibility Technology in Conjunction with Main Topics of EMC'14/Tokyo)
Category: 
Keyword: 
classification, directivity, radiation pattern, machine learning, cube receiving array, 
 Summary | Full Text:PDF
Reduction Processing of the Position Estimation Error Using Transmitted Directivity Information
Hiroyuki HATANO Tomoharu MIZUTANI Yoshihiko KUWAHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/01/01
Vol. E95-A  No. 1 ; pp. 286-295
Type of Manuscript:  Special Section PAPER (Special Section on Intelligent Transport Systems)
Category: ITS
Keyword: 
position estimation, localization, radar network, sensor network, directivity, 
 Summary | Full Text:PDF
High Directivity Coupler Suppressing Leak Coupling with Cancellation Circuit of Wilkinson Divider
Kazuhisa YAMAUCHI Akira INOUE Moriyasu MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/07/01
Vol. E93-C  No. 7 ; pp. 1032-1037
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
directional coupler, microstrip coupler, directivity, divider, isolation, 
 Summary | Full Text:PDF
Sidelobe Reduction Algorithm for Electronic Steering Parasitic Antenna
Wenhua CHEN Zhenghe FENG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/11/01
Vol. E88-B  No. 11 ; pp. 4406-4409
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
parasitic antenna, sidelobe level, directivity, steepest gradient algorithm, 
 Summary | Full Text:PDF