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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, RCS (Joint) |
2023-11-17 09:30 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
A Study on Null Depth Control using Multiple Null Constrained transmission directivity control for Microwave Wireless Power Transmission Katsutoshi Kawai, Tomoyuki Nakasha, Yuuya Tanaka (Kyocera)  AP2023-147 |
In adaptive array transmission, beamforming performance can be improved by controlling the null depth. In microwave wire... [more] | AP2023-147 pp.86-91 |
| AP | 2023-03-17 09:55 |
Toyama | Toyama Prefectural Civic Hall (Primary: On-site, Secondary: Online) |
Examination of directivity control method and operation frequency for wireless power transmission in indoor manned environment Tomoyuki Nakasha, Katsutoshi Kawai, Yuuya Tanaka (Kyocera), Mitoshi Fujimoto (Univ. of Fukui) AP2022-242 |
In recent years, beam wireless power transmission(WPT) systems supply energy for targets located on separate places have... [more] | AP2022-242 pp.49-54 |
| EA, ASJ-H | 2018-08-23 14:20 |
Miyagi | Tohoku Gakuin Univ. | Directionality control by using spatial property of sounds Reika Uchimi, Takashi Miyaura, Kouta Nakagawa (TCU), Kaoru Ashihara (AIST), Shogo Kiryu (TCU) EA2018-32 |
The directionality of sounds had been controlled by either an interference tube or microphone array. In these convention... [more] | EA2018-32 pp.25-30 |
| AP | 2018-04-19 15:00 |
Tokyo | Hachijomachi-Shokokai | [Tutorial Lecture]
Microstrip antennas for multiband designs and reconfigurable techniques Yuichi Kimura (Saitama Univ.) AP2018-3 |
Microstrip antennas are widely used for numerous applications such as wireless communications, broadcasting services, an... [more] | AP2018-3 pp.13-18 |
| EA, ASJ-H | 2017-08-09 14:55 |
Miyagi | Tohoku Univ., R. I. E. C. | Noise reduction by using a miniature head simulator array Takashi Miyaura, Reika Uchimi (TCU), Kaoru Ashihara (AIST), Shogo Kiryu (TCU) EA2017-31 |
It has been reported that the miniature head simulator system can capture spatial sounds and during the reproduction of ... [more] | EA2017-31 pp.27-32 |
| EA, ASJ-H | 2017-07-21 13:40 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
Investigation of nonlinear speech enhancement using two different beamformers for distant sound source and near noise source Keigo Sawahuji, Yoichi Haneda (UEC) EA2017-20 |
This paper proposes a distant speech enhancement method using two different beamformers when the non-target sound source... [more] | EA2017-20 pp.111-116 |
| SP, SIP, EA | 2017-03-02 09:00 |
Okinawa | Okinawa Industry Support Center | [Poster Presentation]
Three-dimensional directivity control based on circular harmonic modes using a circular loudspeaker array Koya Sato, Yoichi Haneda (UEC) EA2016-119 SIP2016-174 SP2016-114 |
This paper describes a filter design method that enables three-dimensional (3-D) directivity control by using a circular... [more] | EA2016-119 SIP2016-174 SP2016-114 pp.213-218 |
| SP, SIP, EA | 2017-03-02 09:00 |
Okinawa | Okinawa Industry Support Center | [Poster Presentation]
Sound localization using shoulder-type wearable loudspeaker with end-fire array Imaizumi Kenta, Yoichi Haneda (UEC) EA2016-120 SIP2016-175 SP2016-115 |
We proposed a novel personal reproduction system to replace headphones using a wearable shoulder-type loudspeaker array ... [more] | EA2016-120 SIP2016-175 SP2016-115 pp.219-224 |
| EA, US (Joint) |
2017-01-25 13:00 |
Kyoto | Doshisha Univ. | [Poster Presentation]
Directive beamforming based on probability weighted least square Ryusuke Tanaka, Yoichi Haneda (UEC) EA2016-70 |
Directivity beamforming using a microphone array has been currently implemented for noise suppres- sion in video confer... [more] |
EA2016-70 pp.13-18 |
| ASN, MoNA, MICT (Joint) |
2017-01-20 09:50 |
Oita | Optimize Weight Distributed Beanformin with MIMO for UWB Implant Communications Takuma Suzaki, Daisuke Anzai, Jianqing Wang (NIT) MICT2016-73 |
Ultra wideband (UWB) transmission plays an important role to accomplish reliable and high-speed implant communications. ... [more] | MICT2016-73 pp.47-52 |
|
| EA, SP, SIP | 2016-03-29 09:00 |
Oita | Beppu International Convention Center B-ConPlaza | [Poster Presentation]
Directivity control for a regular icosahedron loudspeaker based on the adaptive weighted least-squares method. Makoto Daikohara, Yoichi Haneda (UEC) EA2015-105 SIP2015-154 SP2015-133 |
This paper proposes an adaptive weighted least-squares method for controlling the directivity of a loudspeaker array. If... [more] | EA2015-105 SIP2015-154 SP2015-133 pp.213-218 |
| EA, SP, SIP | 2016-03-29 09:00 |
Oita | Beppu International Convention Center B-ConPlaza | [Poster Presentation]
Design of a directive loudspeaker array filter based on weighted least-squares method by controlling window function for desired sound pressure Koya Sato, Takayuki Seki, Yoihi Haneda (UEC) EA2015-106 SIP2015-155 SP2015-134 |
In this study, we investigate a circular loudspeaker array (which typically is a watch type wearable terminal) with few ... [more] | EA2015-106 SIP2015-155 SP2015-134 pp.219-224 |
| EA | 2015-07-03 09:30 |
Tokyo | The Univ. of Electro-Communications, 80th Anniversary Memorial Hall | A study on transaural system using directivity control of regular icosahedron loudspeaker array. Makoto Daikohara, Yoichi Haneda (UEC) EA2015-1 |
This paper describes a transaural system using directivity control of a regular icosahedron loudspeaker array. The trans... [more] | EA2015-1 pp.1-6 |
| SIP, EA, SP | 2015-03-03 10:45 |
Okinawa | [Poster Presentation]
Directivity control of a dodecahedron loudspeaker array by using a minimum variance beamformer in a spherical harmonics domain. Kazuna Bando, Yoichi Haneda (UEC) EA2014-112 SIP2014-153 SP2014-175 |
This paper describes a directivity control method for a spherical loudspeaker array. The beam pattern of the spherical... [more] |
EA2014-112 SIP2014-153 SP2014-175 pp.219-224 |
|
| MICT, WBS | 2014-07-29 14:40 |
Osaka | Osaka City Univ. (Umeda Satellite) | A Study on Generalization of the ESPAR Antenna with Selective Energy Supply Yugo Shimizu, Minsoo Kim, Ryuji Kohno (Yokohama National Univ.) WBS2014-24 MICT2014-38 |
Recently, the high-speed digital communication system has been put to practical use. For the purpose of improving the co... [more] | WBS2014-24 MICT2014-38 pp.85-88 |
| EA | 2014-03-28 17:15 |
Tokyo | NHK Science & Technology Research Labs. | A study of directional speaker using a digitally direct-driven system Takemichi Ishikawa, Syuma Yokoyama, dai Takahashi, Satochi Saikatu, Akira Yasuda (Hosei Univ.) EA2013-127 |
The paper proposes a novel directive control method with amplitude-phase control for a beam forming speaker by using a d... [more] | EA2013-127 pp.43-48 |
| RCS, SIP | 2014-01-23 09:20 |
Fukuoka | Kyushu Univ. | A Study on Inter-Cell Interference Control for Small Cells using Horizontal-Plane Beam Control in 3D Cell Structure Sho Nabatame, Kenji Hoshino, Atsushi Nagate, Teruya Fujii (SoftBank Mobile) SIP2013-86 RCS2013-256 |
In 3D cell structure where small cells are three-dimensionally deployed on macro cells including skyscrapers, it is impo... [more] | SIP2013-86 RCS2013-256 pp.7-12 |
| CQ | 2012-07-13 10:45 |
Ehime | Ehime Univ. | Studies on the Miniaturization of a Directivity Controllable Antenna for Three-Dimensional Space Search Robot Takaharu Kikuchi, Koichi Gyoda (SIT) CQ2012-32 |
On March 2011,the huge earthquake and subsequential tsunami led the radiation leakage accident in the Fukushima daiichi ... [more] | CQ2012-32 pp.89-94 |
| EA | 2011-10-28 15:15 |
Nagano | Faculty of Engineering, Shinshu Univ. | Investigation of control-point configuration for directional loudspeaker array system with densely-located control points Daiki Takeuchi, Yosuke Tanifuji, Makoto Otani, Kazunori Itoh, Masami Hashimoto, Mizue Kayama (Shinshu Univ.) EA2011-72 |
A directional loudspeaker array system based on boundary surface control was proposed. Based on the method, we are devel... [more] | EA2011-72 pp.25-30 |
| RCS | 2011-06-24 11:50 |
Okinawa | Ryukyu Univ. | A Study on Directivity Control for Secure Wireless Communication using Spatially Distributed Ciphering Function Hiroki Matoba, Shinichi Miyamoto, Seiichi Sampei (Osaka Univ.) RCS2011-62 |
Because of the vulnerable and unpredictable propagation of wireless signal, secure communications against eavesdropper i... [more] | RCS2011-62 pp.159-164 |
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