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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT, SANE (Joint) |
2024-02-09 10:45 |
Kagoshima | AmaHome PLAZA (Amami City Shimin Koryu Center) (Primary: On-site, Secondary: Online) |
A study on the rain attenuation statistics using the different Ku-band satellite signals measured at multiple locations Yasuyuki Maekawa (Osaka Electro-Commun. Univ.), Koichi Harada, Junichi Abe, Fumihiro Yamashita (NTT)  SAT2023-71 |
The signal levels of Ku-band BS broadcast radio wave and JCSAT-5A beacon radio wave have been simultaneously measured at... [more] | SAT2023-71 pp.63-68 |
| RCS | 2023-04-14 10:50 |
Shimane | Matsue New Urban Hotel, and online (Primary: On-site, Secondary: Online) |
Adaptive K-Repetition Transmission with Site Diversity Reception for 5G NR Uplink Grant-Free URLLC Arif Dataesatu, Kosuke Sanada, Hiroyuki Hatano, Kazuo Mori (Mie Univ.), Pisit Boonsrimuang (KMITL) RCS2023-12 |
The fifth-generation (5G) new radio (NR) standard employs ultra-reliable and low-latency communication (URLLC) capabilit... [more] | RCS2023-12 pp.56-61 |
| AP | 2023-02-17 11:25 |
Miyagi | Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
Study on Switching Decision Accuracy of HAPS Site Diversity Based on Predicted Rain Attenuation by Deep Learning Yuji Komatsuya, Tetsuro Imai (TDU), Miyuki Hirose (Kyutech) AP2022-224 |
Recently, It is actively to be studied for practical application of HAPS which is the next-generation platforms. It is n... [more] | AP2022-224 pp.151-156 |
| CQ, ICM, NS, NV (Joint) |
2021-11-25 11:30 |
Fukuoka | JR Hakata Stn. Hakata EkiHigashi Rental Room (Primary: On-site, Secondary: Online) |
Cloud avoidance network for high-speed optical communications between space and ground
-- Space optical direct communication technology -- Tatsuya Mukai (JAXA), Yoshihisa Takayama (TU), Takashi Onoe (TSOL) NS2021-86 |
Space agencies have ever used contemporary radio technologies for transmissions of a large volume of observation data fr... [more] | NS2021-86 pp.13-17 |
| SAT, WBS (Joint) |
2016-05-19 13:10 |
Aichi | Nagoya Institute of Technology | An Adaptive Beam Control Technique for LEO Satellite to Mitigate Interference to Terrestrial Networks Shigenori Tani, Katsuyuki Motoyoshi, Hiroyasu Sano, Atsushi Okamura (Mitsubishi Electric), Hiroki Nishiyama, Nei Kato (Tohoku Univ.) SAT2016-4 |
The earth observation missions have been improved its sensor performance, it results in a huge amount of data to be stor... [more] | SAT2016-4 pp.19-23 |
| SAT, SANE (Joint) |
2014-02-20 10:30 |
Yamaguchi | Hotel Kamefuku (Yamaguchi) | Environmental-data gathering system for Satellite-to-Ground Stations Optical Communications Kenji Suzuki, Toshihiro Kubo-oka, Tetsuharu Fuse, Shinichi Yamamoto, Hiroo Kunimori, Morio Toyoshima (NICT) SAT2013-50 |
In the optical space communication between satellite-ground stations, if site diversity is constructed among two or more... [more] | SAT2013-50 pp.1-4 |
| SANE | 2012-06-29 16:35 |
Ibaraki | Tsukuba Space Center, JAXA | Study on improvement of L-SSPS utilization rates by site diversity (II) Hiroyuki Nagayama (MRI), Katsuto Kisara, Hiroyuki Yoshida, Masanobu Yajima (JAXA) SANE2012-24 |
(To be available after the conference date) [more] | SANE2012-24 pp.23-26 |
| SANE | 2011-06-24 16:05 |
Ibaraki | Tsukuba Space Center (JAXA) | Study on improvement of LSSPS utilization rates by site diversity Hiroyuki Nagayama (MRI), Katsuto Kisara, Hiroyuki Yoshida, Masanobu Yajima, Susumu Sasaki (JAXA) SANE2011-44 |
LSSPS is pointed out that the influence of the cloud and the atmosphere is large. In the examination in JAXA, the atmo... [more] |
SANE2011-44 pp.159-162 |
| AP, ITE-BCT | 2011-02-09 14:40 |
Tokyo | NHK Science Tech. Research Lab. | A study on the relationship between time delayed diversity and rain area velocity associated with rain front passage in Ku- and Ka-band satellite communications links Yasuyuki Maekawa (Osaka Electro-Com. Univ.) AP2010-163 |
The effects of time delayed diversity techniques on Ku- and Ka-band rain attenuation were investigated, using the radio ... [more] | AP2010-163 pp.13-18 |
| RCS, AN, MoNA, SR (Joint) |
2010-03-05 10:50 |
Kanagawa | YRP | A Stydy on Space-Time Block Coded-Joint Transmit/Receive Diversity for A Distributed Antenna Network Ryusuke Matsukawa, Hiroki Matsuda, Kazuki Takeda, Fumiyuki Adachi (Tohoku Univ.) RCS2009-302 |
Distributed antenna network (DAN) which uses a number of antennas distributed geographically can mitigate the adverse ef... [more] | RCS2009-302 pp.257-262 |
| SIP, RCS | 2009-01-22 13:40 |
Kumamoto | Kumamoto University | A Study on Cell-Edge Throughput Improvement Based on MIMO Coordinated Base Stations for Downlink Transmission in OFDM Systems Manabu Mikami, Atsushi Nagate, Kenji Hoshino, Teruya Fujii (Softbank Mobile) SIP2008-131 RCS2008-179 |
MIMO-OFDM is attracting attention as the wireless access technology for the next-generation mobile radio systems. In ord... [more] | SIP2008-131 RCS2008-179 pp.41-46 |
| AP, SAT (Joint) |
2008-07-23 13:00 |
Hokkaido | Hokkaido University | Improvement Factor of Ku-band Satellite Diversity Effects Related to Rain Area Motion Yasuyuki Maekawa, Koichi Sawai, Yoshiaki Shibagaki, Tomoyuki Takami (Osaka Electro-Commun. Univ.), Takeshi Hatsuda (Hokkaido Inst. Tech.) AP2008-42 |
The effects of site diversity techniques on Ku-band rain attenuation are investigated using two sets of simultaneous sa... [more] | AP2008-42 pp.35-40 |
| OCS, OFT, ITE-BCT, IEE-CMN (Joint) [detail] |
2007-11-22 11:25 |
Osaka | Digitized Radio over Fiber Technique for Wide Area Ubiquitous Network Shigeru Kuwano, Yasuo Suzuki, Yoshiaki Yamada, Kazuji Watanabe (NTT) OCS2007-77 |
Wireless access system for the wide area ubiquitous network should handle distributed wireless terminals over cell with ... [more] | OCS2007-77 pp.27-32 |
|
| IT, ISEC, WBS | 2007-03-15 16:55 |
Gunma | Gunma Univ. (Kiryu Campus) | A Study on Site Diversity Effect in Up-link multi-site communication systems Keisuke Matsuzaki, Masahiro Fujii, Yu Watanabe (Utsunomiya Univ.) |
This is a comparative study of the maximum ratio combining diversity and the selection diversity technologies in the up-... [more] | IT2006-66 ISEC2006-121 WBS2006-63 pp.35-40 |
| RCS, AP, WBS, SR, MW, MoNA (Joint) |
2006-03-01 09:20 |
Kanagawa | YRP | Effect of STTD on frequency-domain downlink site diversity for DS-CDMA cellular systems Hirotaka Sato, Hiromichi Tomeba, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) |
In DS-CDMA high speed wireless signal transmissions, a transmission performance degrades due to a frequency selective fa... [more] | RCS2005-179 pp.7-12 |
| RCS, CS (Joint) |
2005-08-26 10:50 |
Tokyo | Tokyo Inst. Tech. | Downlink site diversity with frequency-domain equalization for DS-CDMA cellular systems Hirotaka Sato, Hiromichi Tomeba, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) |
In DS-CDMA high speed wireless signal transmissions, the transmission performance degrades due to frequency selective fa... [more] | RCS2005-76 pp.73-78 |
| SIP, WBS | 2005-07-14 13:25 |
Ehime | Ehime Univ. | On a DS/SS Code-Diversity Communication System Using a Constant Amplitude Composite Sequence Satoshi Hasebe, Shin'ichi Tachikawa (Nagaoka Univ. of Tech.), Masanori Hamamura (Kochi Univ. of Tech.) |
In this paper, we propose a novel code-diversity communication system using a constant amplitude composite sequence to s... [more] | SIP2005-56 WBS2005-14 pp.35-40 |
| RCS, AP, WBS, MW, MoNA | 2005-03-03 09:40 |
Kanagawa | Yokosuka Research Park | Theoretical Performance Analysis on Downlink Site Diversity in an MC-CDMA Cellular System Arny Ali, Takamichi Inoue, Fumiyuki Adachi (Tohoku Univ.) |
The downlink (base-to-mobile) bit error rate (BER) performance for a mobile user with relatively weak received signal in... [more] | WBS2004-106 AP2004-287 RCS2004-374 MoMuC2004-157 MW2004-284 pp.45-50 |
| RCS | 2004-11-19 09:00 |
Gunma | Hotel Village, Kusatsu | Hierarchical code assignment STBC site diversity for multicarrier CDMA Takeo Fujii, Yukihiro Kamiya, Yasuo Suzuki (TUAT) |
In this paper, we focus on multicarrier CDMA systems, which are known as one of the candidates of the communication meth... [more] | RCS2004-224 pp.7-12 |
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