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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SIS, ITE-BCT | 2018-10-26 09:55 |
Kyoto | Kyoto University Clock Tower Centennial Hall | Field Trial of 4x4 TDD-SVD-MIMO System Fumito Ito, Fumiki Uzawa, Kazuhiko Mitsuyama, Naohiko Iai (NHK) |
[more] | |
| AP, RCS (Joint) |
2017-11-09 10:25 |
Fukuoka | Fukuoka University | [Invited Lecture]
Development of adaptively transmission-controlled 4x4 TDD-SVD-MIMO system for mobile transmission of Super Hi-Vision video material Kazuhiko Mitsuyama, Fumiki Uzawa, Fumito Ito, Naohiko Iai (NHK)  AP2017-119 RCS2017-227 |
We are conducting research on the next-generation 1.2-GHz/2.3-GHz-band mobile field pick-up unit(FPU) system that can wi... [more] | AP2017-119 RCS2017-227 pp.59-64(AP), pp.129-134(RCS) |
| CQ | 2015-09-02 14:50 |
Kyoto | Kyoto Institute of Technology | Evaluation of Influence on Throughput and Transmission Delay by HARQ Retransmission for Bidirectional Digital FPU System Fumiki Uzawa, Tomofumi Koyama, Takashi Kumagai, Kazuhiko Mitsuyama (NHK), Katsunori Aoki (NHK-ES), Naohiko Iai (NHK) CQ2015-69 |
File-based video system has become widespread in the television-program production field. The authors are developing a b... [more] | CQ2015-69 pp.173-178 |
| CQ, CS (Joint) |
2015-04-22 10:45 |
Fukuoka | Fukuoka Institute of Technology | Design and Evaluation of HARQ Scheme for Bidirectional Digital FPU System Fumiki Uzawa, Tomofumi Koyama, Takashi Kumagai, Kazuhiko Mitsuyama, Naohiko Iai, Katsunori Aoki (NHK) CQ2015-9 |
File-based video system has become widespread in the television broadcasting field. The authors are developing a bidirec... [more] | CQ2015-9 pp.45-49 |
| CQ | 2014-07-11 14:45 |
Osaka | A Study on TCP Congestion Avoidance Algorithm with Bi-directional Digital FPU System Tomofumi Koyama, Fumiki Uzawa, Kazuhiko Mitsuyama, Naohiko Iai, Katsunori Aoki (NHK) CQ2014-37 |
Television broadcasters use Field Pick-up Unit (FPU) to transfer video by a wireless link. Recently file-based productio... [more] | CQ2014-37 pp.123-128 |
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| ITE-BCT, IPSJ-AVM, CS, IE [detail] | 2012-12-06 09:40 |
Fukui | Fukuisi-chiiki-kouryu-plaza | A Study on applying Type-II HARQ Method for Bi-directional FPU using TDD Fumiki Uzawa, Kazuhiko Mitsuyama, Tetsuomi Ikeda (NHK), Takefumi Hiraguri (NIT) |
[more] | |
| CS | 2012-07-13 11:35 |
Kagoshima | China-cho-Kominkan (Okinoerabu Island) | A study toward retransmission control scheme on FPU system Teppei Yoshida, Hiroki Suzuki, Toshiyuki Ogawa, Takefumi Hiraguri (NIT), Kentaro Nishimori (Niigata Univ.), Fumiki Uzawa, Kazuhiko Mitsuyama, Tetsuomi Ikeda (NHK) CS2012-45 |
This paper proposes the retransmission control scheme to improve delay time and throughput on wireless systems. The obje... [more] | CS2012-45 pp.125-129 |
| AP, RCS (Joint) |
2011-11-16 09:45 |
Aichi | Nagoya Congress Center | Effect of antenna subset switching delay on reception performance in MIMO systems Kazuhiko Mitsuyama (NHK/Keio Univ.), Tetsuomi Ikeda (NHK), Tomoaki Ohtsuki (Keio Univ.) RCS2011-190 |
We have been studying a MIMO system that exploits macrodiversity effect to transmit high-quality videos across wide area... [more] | RCS2011-190 pp.7-12 |
| CQ, MoNA, ITE-CE, ITE-BCT [detail] | 2011-09-08 13:05 |
Kumamoto | Pref. Univ. Kumamoto | A study on duplex method for bi-directional FPU Fumiki Uzawa, Kazuhiko Mitsuyama, Tetsuomi Ikeda (NHK) |
We have started a basic study on a bi-directional transmission system to develop the new microwave band Field Pick-up Un... [more] | |
| RCS, NS (Joint) |
2011-07-22 14:55 |
Hokkaido | Asahikawa Civic Culture Hall | Low complexity antenna subset selection method using condition number of channel matrix Kazuhiko Mitsuyama (NHK/Keio Univ.), Tetsuomi Ikeda (NHK), Tomoaki Ohtsuki (Keio Univ.) RCS2011-109 |
We have been studying a MIMO system that can transmit high-quality videos across wide area without outage. We have been ... [more] | RCS2011-109 pp.205-210 |
| RCS | 2011-06-24 17:00 |
Okinawa | Ryukyu Univ. | Calculation and Evaluation of MMSE weight matrix using Fixed-point Arithmetic Kazuhiko Mitsuyama (NHK/Keio Univ.), Tetsuomi Ikeda (NHK), Tomoaki Ohtsuki (Keio Univ.) RCS2011-74 |
We have been studying a macrodiversity system that can receive Hi-Vision (HDTV) videos across wide area without outage i... [more] | RCS2011-74 pp.227-232 |
| RCS | 2011-04-22 13:30 |
Kanagawa | Keio University | Field Experiment of Macrodiversity Reception on Road Race Course Kazuhiko Mitsuyama, Fumiki Uzawa, Tetsuomi Ikeda (NHK), Tomoaki Ohtsuki (Keio) RCS2011-14 |
We have been studying a macrodiversity system that can receive transmitted signals effectively without outage in mobile ... [more] | RCS2011-14 pp.77-82 |
| NS, RCS (Joint) |
2010-12-17 15:50 |
Okayama | Okayama Univ. | Mobile Propagation Experiment Using Microwave FPU System in Urban Area Fumiki Uzawa, Kazuhiko Mitsuyama, Tetsuomi Ikeda (NHK) RCS2010-197 |
We have been studying on microwave FPU (Field Pick-up Unit) for large capacity and high reliability. It is difficult to... [more] |
RCS2010-197 pp.227-232 |
| AN, USN, SR, RCS (Joint) |
2010-10-29 10:10 |
Osaka | Osaka University | Prototyping and Performance Evaluation of LDPC-MMSE-SIC System with Time Interleaving Kazuhiko Mitsuyama, Kohei Kambara, Takayuki Nakagawa, Tetsuomi Ikeda (NHK), Tomoaki Ohtsuki (Keio Univ.) RCS2010-130 |
[more] | RCS2010-130 pp.151-156 |
| RCS | 2009-08-03 16:10 |
Miyagi | Tohoku Univ. | Evaluation of SCLDGM code by field experiments Kohei Kambara, Kazuhiko Mitsuyama, Takayuki Nakagawa, Tetsuomi Ikeda (NHK) RCS2009-91 |
800MHz band Field Pick-up Unit (FPU) system is mainly used at live marathon programs to transmit the live camera picture... [more] | RCS2009-91 pp.79-84 |
| RCS | 2009-08-03 16:35 |
Miyagi | Tohoku Univ. | Transmission Performance of Space-time Codes in Urban mobile environment Takayuki Nakagawa, Kazuhiko Mitsuyama, Kohei Kambara, Tetsuomi Ikeda (NHK) RCS2009-92 |
The authors have been developing an advanced FPU (Field Pick-up Unit) transmission system exploiting AVC/H.264 video cod... [more] | RCS2009-92 pp.85-90 |
| NS, RCS (Joint) |
2009-07-17 13:40 |
Hokkaido | Hokkaido University (Hokkaido) | Experimental Evaluation of LDPC-Coded MIMO System with Spatial and Time Interleavers Kazuhiko Mitsuyama, Kohei Kambara, Takayuki Nakagawa, Tetsuomi Ikeda (NHK), Tomoaki Ohtsuki (Keio Univ.) RCS2009-68 |
We have been developing an 800MHz-band MIMO-OFDM FPU system that can achieve a higher spectrum efficiency and more relia... [more] | RCS2009-68 pp.89-94 |
| EMCJ, ITE-BCT | 2009-03-13 15:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | 800Mz-band Outdoor Transmission Experiment of Space-Time Coded 2x2 MIMO-OFDM Takayuki Nakagawa, Kazuhiko Mitsuyama, Kohei Kambara, Tetsuomi Ikeda (NHK) EMCJ2008-123 |
The authors have been developing an advanced FPU (Field Pick-up Unit) transmission system exploiting AVC/H.264 video cod... [more] | EMCJ2008-123 pp.55-60 |
| RCS | 2008-08-28 13:25 |
Hokkaido | Hokkaido University | Study of FEC for 800MHz band FPU system
-- Analysis of LDGM structure for LDPC concatenated code -- Kohei Kambara, Kazuhiko Mitsuyama, Takayuki Nakagawa, Tetsuomi Ikeda (NHK) RCS2008-79 |
800MHz band Field Pick-up Unit (FPU) system is mainly used at live marathon programs to transmit the live camera picture... [more] | RCS2008-79 pp.157-162 |
| RCS | 2008-08-28 13:50 |
Hokkaido | Hokkaido University | A Study of Iterative Detection and Decoding in LDPC-Coded MIMO for an 800MHz-band FPU System Kazuhiko Mitsuyama, Kohei Kambara, Takayuki Nakagawa, Tetsuomi Ikeda (NHK), Tomoaki Ohtsuki (Keio Univ.) RCS2008-80 |
We have been studying MIMO techniques to enhance the frequency use efficiency of an 800MHz-band FPU system, which is oft... [more] | RCS2008-80 pp.163-168 |
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