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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2024-04-11 13:00 |
Hyogo | KOBE PORT OASIS (Primary: On-site, Secondary: Online) |
Propagation Loss Model Using the Elevation Angle for Base Station in the Sky Shinichi Ichitsubo  AP2024-1 |
In late years, the mobile communication services for urban area are examined using the base station established to the f... [more] | AP2024-1 pp.1-6 |
| AP, SANE, SAT (Joint) |
2023-07-14 15:50 |
Hokkaido | The Citizen Activity Center (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Evaluation of Radio Propagation between Launch Vehicle and Ground Station at Low Elevation Koji Sunami, Aya Asamura, Kohtaroh Sugizono, Naohiro Tsuchiya, Yuudai Yamagami, Takashi Hamasaki (JAXA), Yukio Kamata (Anttech) AP2023-62 |
To measure the success or failure of a launch vehicle, telemetry from satellites, the payload, and the launch vehicle is... [more] | AP2023-62 pp.172-175 |
| AP, WPT (Joint) |
2020-01-24 09:25 |
Kagawa | Sunport Hall Takamatsu | [Invited Lecture]
Measurement and Analysis of Clutter Loss at High Elevation Angles for HAPS Communications in urban environment Akihiro Sato, Sho Kimura, Hideki Omote (Softbank) AP2019-166 |
HAPS, the High-Altitude Platform Station that provides communications services from altitudes of around 20 km via an Unm... [more] | AP2019-166 pp.87-92 |
| AP, SANE, SAT (Joint) |
2019-07-19 15:05 |
Miyagi | Tohoku Univ. | [Invited Lecture]
Examination of the Urban-Areas Clutter Loss for Radio Wave of 30-100 GHz and Visible Light Katsuki Ishimoto, Ichitsubo Shinichi (Kyutech), Omote Hideki (SoftBank), Hujii Teruya (Tokyo Tech) AP2019-42 |
In order to promote common use with a satellite or an airplane communication and land mobile communications such as a ce... [more] | AP2019-42 pp.113-117 |
| WPT, AP (Joint) |
2019-01-17 10:15 |
Aichi | Toyota Automobile Museum | [Invited Lecture]
Examination of Clutter Losses for Satellite Communications using Urban Areas Scale Model Katsuki Ishimoto, Saito Koki, Ichitsubo Shinichi (Kyutech), Omote Hideki (SoftBank), Hujii Teruya (Tokyo Tech) AP2018-151 |
In order to promote common use with a satellite or an airplane communication and land mobile communications such as a ce... [more] | AP2018-151 pp.1-6 |
| AP | 2017-04-20 15:15 |
Osaka | Osaka university | Relationship between Tropospheric Scintillation and Atmospheric Turbulence in High Elevation Angle Satellite Communications Links Yasuyuki Maekawa (Osaka Electro-Comun. Univ.) AP2017-9 |
Variations of Ku-band satellite signal level with periods from a few to a few ten minutes caused by tropospheric scintil... [more] | AP2017-9 pp.47-50 |
| RCS | 2015-04-17 08:55 |
Oita | Yufuin, Yufugoukan | Experimental Evaluation of Timing Synchronization Accuracy considering Elevation Angle Mask for QZSS SS-CDMA Short Message Communication Yuji Miyake, Suguru Kameda, Akinori Taira (Tohoku Univ.), Keita Norishima, Hiroshi Oguma (NIT, Toyama college), Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2015-10 |
We have proposed spread spectrum code division multiple access (SS-CDMA) short message communication using Quasi-Zenith ... [more] | RCS2015-10 pp.47-52 |
| SAT, SANE (Joint) |
2012-02-16 13:50 |
Mie | Area evaluation of wideband transmission propagation for Quasi Zenith Isao Nakazawa, Kazuhiro Kimura, Yoshiyuki Fujino, Shin'ichi Hama (NICT) SANE2011-160 SAT2011-67 |
In Japan, mobile satellite communication systems are now in service on S-band frequency. Moreover, the Quasi Zenith Sat... [more] | SANE2011-160 SAT2011-67 pp.1-6(SANE), pp.13-18(SAT) |
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| AP, SAT (Joint) |
2011-07-14 14:25 |
Nagano | Fac. Eng., Shinshu Univ. | Wideband radio propagation analysis for Quasi Zenith Satellite Systems at high elevation angles Isao Nakazawa, Kazuhiro Kimura, Yoshiyuki Fujino, Shin'ichi Hama (NICT) SAT2011-10 |
In Japan, mobile satellite communication systems are now in service on S-band frequency. Moreover, the Quasi Zenith Sat... [more] | SAT2011-10 pp.13-18 |
| EA | 2010-10-21 17:20 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Virtual sound source reproduction perceived on different elevation and depression angles in multi-channel loudspeaker systems Ryosuke Kazama, Haruhide Hokari, Shoji Shimada (Nagaoka Univ. of Tech.) EA2010-66 |
To realize sound localization with high presence at different elevation and depression angles, 8ch and 10ch loudspeaker... [more] |
EA2010-66 pp.49-54 |
| AP | 2008-04-17 10:20 |
Osaka | Osaka Electro-Communication University | Azimuth and Elevation Angle Dependency of the Satellite Diversity Characteristics of Rain Attenuation in Ku and Ka band Satellite Communications Links Yasuyuki Maekawa (Osaka Electro-Commun. Univ.), Takeshi Hatsuda (Hokkaido Inst. Tech.) AP2008-1 |
The effects of satellite diversity on Ku- and Ka-band rain attenuation were investigated in about ten propagation paths ... [more] | AP2008-1 pp.1-6 |
| RCS, SAT (Joint) |
2007-12-21 10:35 |
Oita | Propagation analysis and field measurements of circularly polarized wave on high elevation angle for mobile satellite communications Isao Nakazawa, Kazuhiro Kimura, Jun Amagai, Yoshiyuki Fujino, Hitoshi Ishida, Shin'ichi Hama (NICT) SAT2007-57 |
In the mobile satellite communications in the personal use environment, it is preferable to clarify a variety of propaga... [more] | SAT2007-57 pp.7-12 |
|
| AP, SAT (Joint) |
2007-07-20 15:40 |
Hokkaido | Daiichi-Takimotokan(Noboribetsu) | Comparison of methods for estimation of AOA/AOD azimuthal and elevation of a UWB MIMO channel Masaki Takahashi, Naohiko Iwakiri, Takehiko Kobayashi (Tokyo Denki Univ) AP2007-70 |
This report made a comparison of three methods for bidirectional parameter estimation of ultra wideband multiple-input m... [more] | AP2007-70 pp.157-162 |
| EA | 2007-06-29 11:00 |
Hokkaido | Hokkaido Univ. | An automatic measurement system of object related transfer function for small object Yoshifumi Chisaki, Masahiro Naganishi, Toshimichi Takada, Ryuichi Kohzawa, Tsuyoshi Usagawa (Kumamoto Univ.) EA2007-27 |
Frequency domain binaural model (FDBM) has been proposed as a computer model of the human auditory system based on head... [more] |
EA2007-27 pp.1-6 |
| EA, US (Joint) |
2007-01-26 11:00 |
Kyoto | Doshisha Univ. | A study on DOA estimation from binaural sound Tomita Obara, Yoshifumi Nagata, Toyota Fujioka (Iwate Univ.), Satoshi Iwasaki, Takahiko Hariyama (Hamamatsu Univ.), Masato Abe (Iwate Univ.) |
We have made four artificial head models and measured these HRTFs to examine the effectiveness of a method to estimate t... [more] | EA2006-106 pp.13-18 |
| SAT | 2006-10-19 17:30 |
Overseas | KAL Hotel (Jeju-Do, Korea) | Analysis of the Propagation Field Data on High Elevation Angle for 2GHz and 2.5GHz Bands Mobile Satellite Communications Isao Nakazawa (NTWL), Kazuhiro Kimura, Hitoshi Ishida, Shin'ichi Hama (NICT) |
The receiving revel of mobile satellite communication using the communication and broadcasting engineering test satellit... [more] | |
| EA | 2006-08-10 14:00 |
Miyagi | A study on estimation of azimuth and elevation for sound sources using interaural phase and level differences
-- Expansion of frequency domain binaural model by two-dimensional DOA estimation -- Sho Kawano (Kumamoto Univ.), Hidetoshi Nakashima (KNCT), Yoshifumi Chisaki, Tsuyoshi Usagawa (Kumamoto Univ.) |
Direction of arrival (DOA) estimation and sound source segregation methods with a few microphones are expected for many... [more] |
EA2006-46 pp.25-30 |
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| AP, SAT (Joint) |
2006-07-07 10:20 |
Hiroshima | Hiroshima Institute of Technology | Propagation measurements and analysis on high elevation angle for 2GHz and 2.5GHz bands mobile satellite communications Isao Nakazawa (NTWL), Kazuhiro Kimura, Hitoshi Ishida, Shin'ichi Hama (NICT) SAT2006-15 |
In the measurement of received power of the mobile satellite communication systems by using COMETS(Communication and br... [more] | SAT2006-15 pp.13-18 |
| EA | 2005-08-19 13:00 |
Miyagi | A study on DOA estimation based on the weighted Wiener gain
-- Application to HRTF data -- Yoshifumi Nagata, Toyota Fujioka, Masato Abe (Iwate Univ.) |
We have already proposed a method to estimate directions of arrival(DOA) of sound sourcesbased on weighted Wiener gain i... [more] | EA2005-43 pp.19-24 |
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| AP | 2005-06-23 13:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A study on wave direction of azimuthal and elevation angle estimation Hiroyuki Hotta, Masao Teshima, Takashi Amano (Toshiba) |
Recently, wireless applications (such as wireless LAN and Bluetooth™) used mainly indoor become increasingly popul... [more] | AP2005-31 pp.7-12 |
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