Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SAT, MICT, WBS, RCC (Joint) [detail] |
2024-05-16 15:50 |
Miyazaki |
KITEN Convention hall (Miyazaki) (Primary: On-site, Secondary: Online) |
Design of Dual-band Horn Antenna for Parabolic Reflector Antenna Utilized for 12- and 21-GHz-band Satellite Broadcasting Reception Masafumi Nagasaka, Masashi Kamei (NHK) |
[more] |
|
SAT, SANE (Joint) |
2024-02-09 09:55 |
Kagoshima |
AmaHome PLAZA (Amami City Shimin Koryu Center) (Primary: On-site, Secondary: Online) |
Study on non-linear compensation for LDM transmission in satellite broadcasting system
-- Improving transmission performance using DPD and pilot signals -- Masaaki Kojima, Yuki Koizumi, Masashi Kamei (NHK) SAT2023-69 |
We are considering a satellite broadcasting system with layered division multiplexing (LDM) scheme that multiplexes two ... [more] |
SAT2023-69 pp.55-59 |
OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2023-11-09 15:45 |
Kyoto |
(Primary: On-site, Secondary: Online) |
Development of large-capacity content transmitter for flexible providing immersive service cooperated with 21 and 12GHz-band satellite transmission channels and IP network Ryota Akiyama, Yuki Koizumi, Masashi Kamei (NHK) |
[more] |
|
SAT, KOSST |
2023-10-10 14:30 |
Overseas |
Central Hotel Marianne(Korea, Busan) (Primary: On-site, Secondary: Online) |
Evaluation of Large-capacity Content Transmission Equipment to Bundle12 and 21GHz-band Satellite Transmission Channels and IP Network
-- Laboratory Experiment for Flexible Transmission of Immersive Content -- Ryota Akiyama, Yuki Koizumi, Masashi Kamei (NHK) SAT2023-49 |
We have developed large-capacity content transmission equipment that bundles 21- and 12-GHz-band satellite channels and ... [more] |
SAT2023-49 pp.6-11 |
SAT, KOSST |
2023-10-10 16:00 |
Overseas |
Central Hotel Marianne(Korea, Busan) (Primary: On-site, Secondary: Online) |
Initial Development of Wideband Modulator and Demodulator of LDM Transmission for 21-GHz-band Satellite Broadcasting Yuki Koizumi, Ryota Akiyama, Masashi Kamei (NHK) SAT2023-51 |
[more] |
SAT2023-51 pp.17-21 |
RCS, SAT (Joint) |
2023-08-31 09:50 |
Nagano |
Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
Improving Performance of LDM Transmission against Non-linear Distortion in Satellite Broadcasting System
-- Decoding Method of LL Signal with Pilot Signals -- Yuki Koizumi, Masaaki Kojima, Masashi Kamei (NHK) SAT2023-35 |
We are developing a satellite broadcasting system with layered division multiplexing (LDM) scheme that multiplexes multi... [more] |
SAT2023-35 pp.13-18 |
AP, SANE, SAT (Joint) |
2023-07-12 15:50 |
Hokkaido |
The Citizen Activity Center (Primary: On-site, Secondary: Online) |
A Study on On-board Array-fed Shaped Reflector Antenna for 21-GHz band Broadcasting Satellite towards Use of Dual Circular Polarization Masashi Kamei, Masafumi Nagasaka (NHK) AP2023-34 SANE2023-24 SAT2023-15 |
We are studying 21-GHz band satellite broadcasting systems to build next-generation broadcasting media. To counter a pro... [more] |
AP2023-34 SANE2023-24 SAT2023-15 pp.24-27(AP), pp.19-22(SANE), pp.33-36(SAT) |
SANE, SAT (Joint) |
2023-03-02 10:10 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Development of Large-capacity Content Transmission Equipment to Bundle 12 and 21GHz-band Satellite Transmission Channels and IP Network Ryota Akiyama, Yuki Koizumi, Masashi Kamei (NHK) SAT2022-57 |
We have developed a large-capacity content transmission equipment to bundle 12 and 21-GHz-band satellite channels, and I... [more] |
SAT2022-57 pp.12-16 |
SAT, KOSST |
2022-10-06 15:05 |
Fukuoka |
(Primary: On-site, Secondary: Online) |
Satellite Transmission Experiment for Improvement of Link Margin of APSK Modulation Signal toward UHDTV Satellite Broadcasting for 12-GHz Band Ryota Akiyama, Yuki Koizumi, Shinsuke Yokozawa, Masaaki Kojima, Masafumi Nagasaka, Masashi Kamei (NHK), Susumu Nakazawa, Shuji Kimura, Motoki Matsubara, Hayato Nishida, Shoji Tanaka (B-SAT) SAT2022-46 |
As for the satellite transmission scheme used for 4K/8K ultra-high definition television (UHDTV), ISDB-S3 which supports... [more] |
SAT2022-46 pp.12-15 |
SAT, KOSST |
2022-10-07 14:05 |
Fukuoka |
(Primary: On-site, Secondary: Online) |
Initial Study on Decoding Methods of LDM Transmission for Satellite Broadcasting System Yuki Koizumi, Masashi Kamei (NHK) SAT2022-53 |
We are developing a satellite broadcasting system featuring layered division multiplexing (LDM) transmission that multip... [more] |
SAT2022-53 pp.45-49 |
AP, SANE, SAT (Joint) |
2022-07-29 14:05 |
Hokkaido |
Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
Study on Satellite Broadcasting System with LDM transmission
-- Performance Evaluation of UL signal decoding methods according to IL -- Yuki Koizumi, Masashi Kamei (NHK) SAT2022-26 |
We are developing a satellite broadcasting system with layered division multiplexing (LDM) transmission that multiplexes... [more] |
SAT2022-26 pp.52-56 |
SAT |
2021-10-08 09:20 |
Online |
Online |
A study on improving error-correction performance by combining signals received via satellite channel and IP network for 21-GHz-band satellite broadcasting Yuki Koizumi, Yoichi Suzuki, Masashi Kamei (NHK) SAT2021-48 |
We are developing a 21-GHz-band satellite-broadcasting system that has the capability of transmitting signals at bit rat... [more] |
SAT2021-48 pp.28-31 |
SAT |
2021-10-08 15:45 |
Online |
Online |
Study on digital pre-distortion with I/O interfaces for analogue baseband signal over satellite channel Masaaki Kojima, Yuki Koizumi, Masashi Kamei (NHK) SAT2021-52 |
Non-linear distortion caused by the satellite transponder negatively impacts multilevel modulation schemes. We studied d... [more] |
SAT2021-52 pp.47-50 |
SAT |
2020-12-11 10:25 |
Online |
Online |
Study on Effects of Compensation Technique for Distortion by 12-GHz-band Broadcasting Satellite Transponder Masaaki Kojima, Masashi Kamei, Hisashi (NHK) SAT2020-26 |
[more] |
SAT2020-26 pp.19-23 |
SANE, SAT (Joint) |
2019-02-14 11:15 |
Kagoshima |
Tanegashima Island |
Evaluation of Satellite Transmission Characteristics of ISDB-S3 for 4K/8K Broadcasting Shinsuke Yokozawa, Masaaki Kojima, Masashi Kamei, Kazunori Yokohata (NHK), Hayato Nishida (B-SAT), Hisashi Sujikai (NHK) SAT2018-77 |
4K/8K broadcasting with the BSAT-4a satellite began in Dec. 2018. This broadcasting adopts the ISDB-S3 technical standar... [more] |
SAT2018-77 pp.115-118 |
SAT, SANE (Joint) |
2016-02-17 13:10 |
Hiroshima |
Hiroshima Institute of Technology |
Wideband Transmission Performance over Proto-type Transponder for 21GHz-band Broadcasting Satellite under Thermal Vacuum Masaaki Kojima, Masashi Kamei, Masafumi Nagasaka, Susumu Nakazawa, Yoichi Suzuki, Yuki Koizumi, Kyoichi Saito, Shoji Tanaka, Tomohiro Saito (NHK) SAT2015-74 |
We are studying a satellite broadcasting system using 21GHz-band (21.4-22.0GHz) to provide higher realistic sensation se... [more] |
SAT2015-74 pp.61-64 |
AP, RCS, WPT, SAT (Joint) |
2015-11-04 14:30 |
Okinawa |
Okinawa Prefectural Museum & Art Museum |
Transmission experiments for UHDTV using 12 GHz band satellite broadcasting Masaaki Kojima, Yoichi Suzuki, Masashi Kamei, Yuki Koizumi, Kyoichi Saito, Shoji Tanaka (NHK), Hayato Nishida (B-SAT) SAT2015-49 |
A technical standard for a satellite transmission system (ARIB STD-B44 ver. 2.0) has been drawn up for 4K/8K UHDTV servi... [more] |
SAT2015-49 pp.13-16 |
RCS, SAT (Joint) |
2015-08-17 12:10 |
Fukuoka |
Fukuoka Univ. |
8K Super Hi-Vision Satellite Broadcasting Experiment in NHK STRL OPEN HOUSE 2015 Yoichi Suzuki, Masaaki Kojima, Masashi Kamei, Masafumi Nagasaka, Susumu Nakazawa, Shoji Tanaka (NHK) SAT2015-13 |
[more] |
SAT2015-13 pp.11-15 |
AP |
2015-02-20 10:50 |
Hyogo |
Chusho-kigyou center at Amagasaki-City |
[Invited Lecture]
A Study on Quad-band Shaped Reflector Antenna for Broadcasting Satellite Susumu Nakazawa, Masafumi Nagasaka, Masashi Kamei, Shoji Tanaka (NHK), Hitoshi Nakagawa, Kazuyoshi Shogen (B-SAT) AP2014-201 |
[more] |
AP2014-201 pp.81-84 |
SANE, SAT (Joint) |
2015-02-19 13:50 |
Okinawa |
Okinawaken Shichoson Jichikaikan |
A study of coding rate optimization of Set Partitioning 16QAM Coded Modulation Yoichi Suzuki, Masaaki Kojima, Masashi Kamei, Naoyoshi Nakamura, Shoji Tanaka (NHK) SAT2014-65 |
[more] |
SAT2014-65 pp.85-90 |