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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 27  /  [Next]  
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
 Results 1 - 20 of 27  /  [Next]  
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