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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT | 2010-10-29 13:50 |
Overseas | Kyonju（Korea） | Improving Frequency Utilization Efficiency of Existing Satellite Earth Stations with Bandwidth Decomposition Transmission Employing Spectrum Editing Technique Jun-ichi Abe, Fumihiro Yamashita, Katsuya Nakahira, Kiyoshi Kobayashi (NTT)  SAT2010-67 |
[more] | SAT2010-67 pp.155-160 |
| SAT, RCS (Joint) |
2010-08-27 11:10 |
Kagoshima | Kagoshima Univ. | Proposal of Dual-polarization Paired Adaptive Multi-carrier Assignment Method for VPFDM SATCOM system
-- Highly Efficient Satellite Resource Utilization for Dual Polarizations Channel -- Katsuya Nakahira, Fumihiro Yamashita, Kiyoshi Kobayashi (NTT Corp.) SAT2010-37 |
[more] | SAT2010-37 pp.47-52 |
| WBS, SAT (Joint) |
2010-06-11 11:10 |
Okinawa | Okinawa-ken-Seinen-Kaikan | Field Trials on Hyper Multi-Point SATCOM system Kiyoshi Kobayashi, Katsuya Nakahira, Yutaka Imaizumi, Yoshinori Suzuki (NTT Corp.), Norito Tomimizu (NTT Comm Corp.) SAT2010-7 |
We have developed a prototype of the hyper multi-point data gathering SATCOM system that aggregates various sensor data ... [more] | SAT2010-7 pp.33-38 |
| SAT, SANE (Joint) |
2010-02-26 10:50 |
Tokyo | NICT-Honbu | Overall Verification of VPFDM Satellite Communication System Katsuya Nakahira, Hiroki Uchiyama, Fumihiro Yamashita, Yoshinori Suzuki, Jun-ichi Abe, Kiyoshi Kobayashi (NTT Corp.) SAT2009-55 |
[more] | SAT2009-55 pp.7-12 |
| RCS, SAT (Joint) |
2009-12-17 14:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Satellite experiments on polarization-tracking-free Ku band mobile satellite communications system Fumihiro Yamashita, Jun-ichi Abe, Yoshinori Suzuki, Hiroki Uchiyama, Katsuya Nakahira, Kiyoshi Kobayashi (NTT), Yozo Takeda (Sky Perfect JSAT) SAT2009-49 |
[more] | SAT2009-49 pp.13-18 |
| SAT | 2009-10-29 15:20 |
Nara | Nara Prefectural New Public Hall | System Verification Results of Hyper-Multipoint Data Gathering SATCOM System Kiyoshi Kobayashi, Yoshinori Suzuki, Yutaka Imaizumi, Katsuya Nakahira (NTT Corp.) SAT2009-26 |
This paper presents in-laboratory system verification results of a hyper-multipoint data gathering satellite communicati... [more] | SAT2009-26 pp.47-52 |
| AP, SAT (Joint) |
2009-07-10 09:30 |
Hokkaido | Otaru city, Hokkaido | Proposal of a Highly Efficient Satellite Channel Allocation Algorithm for Variable Polarization Frequency Division Multiplexing Satellite Communication Katsuya Nakahira, Kiyoshi Kobayashi (NTT) SAT2009-12 |
[more] | SAT2009-12 pp.29-34 |
| RCS, SAT (Joint) |
2008-12-19 15:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | An Adaptive Multi-carrier Channel Allocation Algorithm for Efficient Utilization of Satellite Resources Katsuya Nakahira, Kiyoshi Kobayashi (NTT Corp.) SAT2008-58 |
[more] | SAT2008-58 pp.29-34 |
| SAT, WBS (Joint) |
2008-05-27 13:50 |
Chiba | Nihon Univ. (Tsudanuma) | A Study of Channel Allocation Algorithm for Novel Polarization Tracking Free Ku-band Mobile Satellite Communication Systems Katsuya Nakahira, Kiyoshi Kobayashi, Kohei Ohata (NTT) SAT2008-3 |
[more] | SAT2008-3 pp.13-18 |
| AP, SAT (Joint) |
2007-07-20 09:20 |
Hokkaido | Daiichi-Takimotokan(Noboribetsu) | A Highly Efficient and Flexible Channel Control Method for Hyper-Multi-Point Data Gathering Satellite System Katsuya Nakahira, Kiyoshi Kobayashi, Kohei Ohata (NTT) SAT2007-13 |
[more] | SAT2007-13 pp.7-12 |
| SAT | 2007-04-20 13:50 |
Mie | Mie University | Hyper-Multipoint Data Gathering Satellite Communication Systems for Safe and Secure Society Kohei Ohata, Satoshi Harada, Katsuya Nakahira, Yutaka Imaizumi, Kiyoshi Kobayashi, Hiroshi Kazama (NTT) SAT2007-3 |
The need of nation-wide and consolidated sensor network systems that gather every sort of environmental observation data... [more] | SAT2007-3 pp.13-18 |
| SAT | 2007-02-16 14:20 |
Shiga | Ritsumeikan Univ. | Resource Management Protocol for Next-generation Multi-beam Mobile Satellite Communication Systems Katsuya Nakahira, Kiyoshi Kobayashi, Kohei Ohata (ＮＴＴ) SAT2006-60 |
[more] | SAT2006-60 pp.11-16 |
| SAT | 2006-01-20 13:30 |
Hiroshima | Hiroshima International University | Communication Capacity and Quality Enhancement using a Two-layered Adaptive Resource Allocation Scheme for Multi-beam Mobile Satellite Communication Systems Katsuya Nakahira, Kiyoshi Kobayashi, Masazumi Ueba (NTT) |
[more] | SAT2005-43 pp.1-6 |
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