Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
EMD, R |
2019-02-15 14:30 |
Osaka |
|
Medium wave transmitting antenna impedance measurement method
-- For improving system reliability -- Wataru Arita, Kazuma Shimizu, Kazuhiko Nozaki, Shunto Utsumi (NHK), Taishi Shirakubo, Fumiya Yano (NHK ITEC), Kyoko Kanamori, Masahiko Yamazoe (NHK) R2018-55 EMD2018-56 |
It is important to maintain an entire medium wave transmitting system including transmitting antenna for improving the s... [more] |
R2018-55 EMD2018-56 pp.19-24 |
OFT, OCS, IEE-CMN, ITE-BCT [detail] |
2017-11-23 17:40 |
Osaka |
Kansa-Univ. Umeda Campus |
Study on visible light communication system aiming for hands-free conversation between divers
-- Development of an optical transceiver module that automatically faces each other -- Yuki Komura, Miko Maeda (Kogakuin Univ.), Koichirou Nakajima (NHK Integrated Technology), Shoya Koide (Yamako Electric Manufacture), Masateru Sato (Shutoko Electrical Maintenance) |
(Advance abstract in Japanese is available) [more] |
|
IE, CS, IPSJ-AVM, ITE-BCT [detail] |
2015-12-03 11:35 |
Hyogo |
|
Development of a orthogonal combined type Medium-wave AM transmitter using PSM Tatsuru Moriyama (NHK), Wataru Sakai (NHK ITEC), Ryohei Kaneko, Kazuto Kubota, Masahiko Yamazoe (NHK) |
[more] |
|
R |
2014-10-17 15:55 |
Kagoshima |
|
Reliability management and field data analysis by design review of high power Medium Wave transmitting station. Shinya Kawaji (NHK), Hiroyuki Kimura, Wataru Sakai (NHKitec), Masahiko Yamazoe (NHK) R2014-59 |
Any failure of the large-scale system of a high power Medium Wave transmitting station has a great impact to listeners. ... [more] |
R2014-59 pp.25-30 |
MoNA, CQ (Joint) |
2012-09-28 10:00 |
Kagawa |
Kagawa pref. Takamatsu-city |
A Study on Rate Control Method Using Link Layer Information for Video Streaming over Wireless LANs Masaaki Kurozumi, Shuhei Oda, Katsunori Aoki (NHK), Kazuaki Anjiki (NHKITEC) CQ2012-50 |
[more] |
CQ2012-50 pp.47-51 |
CAS, CS, SIP |
2012-03-09 16:10 |
Niigata |
The University of Niigata |
Considerations on Measurement Errors caused by Delay time fraction at Delay Profiles Tatsuaki Haruna, Kazuhisa Haeiwa, Hisato Fujisaka, Takeshi Kamio (Hiroshima City Univ.), Kazuhiko Kitayama (NHK Integrated Technology) CAS2011-148 SIP2011-168 CS2011-140 |
At delay profile measurement in terrestrial digital broadcasting, errors of delay wave impulse level occur when delay ti... [more] |
CAS2011-148 SIP2011-168 CS2011-140 pp.231-234 |
AP, ITE-BCT |
2012-02-09 11:00 |
Hiroshima |
NHK Hiroshima |
Influence and Countermeasures of Direct wave's Sidelobe for Delay Profile Measurement in Digital Terrestrial TV Broadcasting Tatsuaki Haruna, Kazuhisa Haeiwa (Hiroshima City Univ), Kazuhiko Kitayama (NHK Integrated Technology Osaka Branch), Hisato Fujisaka, Takeshi Kamio (Hiroshima City Univ) |
[more] |
|
RCS |
2009-10-16 11:10 |
Kyoto |
ATR |
Considerations on a long-distance-delay-wave distortion equalizing method Kazuhiko Kitayama (NHKItec), Kazuhisa Haeiwa (Hiroshima City University), Yoshinori Kawana (NHK), Yutaka Morii (NHKES) RCS2009-124 |
We developed an evolutional
a long-distance-delay-wave distortion equalizing method
under the SFN (Single Frequency ... [more] |
RCS2009-124 pp.83-88 |
MW |
2008-08-29 10:45 |
Osaka |
Osaka-Univ. (Toyonaka) |
Representation and evaluation of a high accurate formula for bit error rate in terms of CNR Kazuhiko Kitayama (NHK Itec), Kazuhisa Haeiwa (Hiroshima City Univ.), Yukio Tatsumi (NHK Itec) MW2008-93 |
So far, accuracy of theoretical formula for BER (Bit Error Rate) in terms of CNR for 64QAM that is used
for terrestria... [more] |
MW2008-93 pp.81-86 |
RCS, NS (Joint) |
2008-07-18 15:30 |
Kyoto |
Kyoto University |
Development of Polarity Detectable Long Distance Delay Profile Measuring Apparatus for Single Frequency Network Kazuhiko Kitayama (NITC), Kazuhisa Haeiwa (Hiroshima City Univ.), Yoshinori Kawana (NHK), Yoshihide Gotoh (ANRITSU), Yutaka Morii (NES) RCS2008-48 |
We developed an evolutional polarity detectable delay wave measuring apparatus for measuring
long delay profiles and l... [more] |
RCS2008-48 pp.97-102 |
R |
2008-07-11 15:45 |
Hokkaido |
|
A system performance for the reliability design of radio Transmitting equipment Masahiko Yamazoe, Koichi Misu, Hiroyuki Nishimori (NHK), Yuya Fujimoto (NHK ITEC) R2008-26 |
[more] |
R2008-26 pp.35-40 |
IE, IPSJ-AVM, CS, ITE-BCT |
2007-12-14 11:15 |
Aichi |
Nagoya Univ. |
Considerations and experiments for stable ship mobile reception of Terrestrial Digital TV waves Kazuhisa Haeiwa (Hiroshima City Univ.), Hisashi Kondo (RCC), Shozo Iwaki, Takashi Kotani, Taiichiro Ueta (ITeck) CS2007-45 IE2007-128 |
We studied and investigated to realize stable reception of digital TV waves and re-transmission technology at ships conn... [more] |
CS2007-45 IE2007-128 pp.95-100 |
EMCJ |
2006-03-09 11:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
An Experiment on Retransmission of Digital Terrestrial Broadcasting in YAESU Underground Shopping Center Yukihiko Yoshida, Osami Tamaru, Syunji Nakahara, Kouji Oosaki (NHK), Kenichi Tsuchida, Masayuki Takada (NHK Labs.), Kazumasa Kobayashi (NHK), Hiroshi Kasuga, Yoshihiko Nasu, Takashi Kotani, Yuuji Maruyama (ITEC) |
In order to receive Digital Terrestrial Television Broadcasting(DTTB) including One-Seg Service in closed space(such as ... [more] |
EMCJ2005-143 pp.31-36 |
R |
2005-10-28 16:45 |
Fukuoka |
Kyushu University |
Development of a Field Analyzer for Digital Terrestrial TV Broadcasting Kazuhisa Haeiwa (Hiroshima City Univ.), Tomonori Iyahashi, Toshihiro Negishi (NHK), Katsuya Hatsushika, Naoyuki Maekawa, Yuji Misaki (Anritsu Corp.), Yasuki Ozaki (NHK ITEC) |
We developed a compact and portable field analyzer that can measure terrestrial digital TV waves accurately and rapidly.... [more] |
R2005-37 pp.39-44 |
WBS |
2005-10-28 11:45 |
Shizuoka |
Shizuoka University (Hamamatsu Campus) |
Development of long delay wave measuring method in Single Frequency Networks Kazuhiko Kitayama (NITEC), Kazuhisa Haeiwa (Hirosima cu), Yoshinori Kawana (NHK), Yutaka Morii (NES) |
This paper describes an evolutional long delay wave measuring method for measuring delay profiles and levels accurately... [more] |
WBS2005-42 pp.19-24 |
RCS, CS (Joint) |
2005-08-26 17:00 |
Tokyo |
Tokyo Inst. Tech. |
SFN waves measuring equipment for terrestrial digital broadcasting Yoshinori Kawana, Yoshitaka Ando (NHK), Kazuhisa Haeiwa (Hirosima City Univ.), Yutaka Morii (NHK-ES), Kazuhiko Kitayama (NITEC) |
This paper describes very long delay profile measuring equipment in the single frequency network(SFN) of digital terrest... [more] |
RCS2005-84 pp.119-122 |