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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 117  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CAS, CS 2024-03-15
13:50
Okinawa   Carrier frequency offset estimation for initial acquisition in MWHCDM
Masaki Kitagawa, Toshiharu Kojima (Univ of Electro-Communications) CAS2023-133 CS2023-126
Modified Walsh-Hadamard code division multiplexing (MWHCDM) is suitable for helicopter satellite communications, where t... [more] CAS2023-133 CS2023-126
pp.122-127
SAT, SANE
(Joint)
2024-02-08
10:25
Kagoshima AmaHome PLAZA (Amami City Shimin Koryu Center)
(Primary: On-site, Secondary: Online)
Application Range Improvements by Multi-Stage Interference Canceller Against Adjacent Channel Interferences in NTNs
Yuki Kato, Sana Kagaya, Takatoshi Sugiyama (Kogakuin Univ.) SAT2023-61
NTN (Non-Terrestrial Networks) for extreme coverage extension in Beyond5G/6G have attracted satellite communications wit... [more] SAT2023-61
pp.12-17
SAT, SANE
(Joint)
2024-02-09
09:30
Kagoshima AmaHome PLAZA (Amami City Shimin Koryu Center)
(Primary: On-site, Secondary: Online)
Development of Pseudo-Satellite Station for Ground Testing of ETS-9
Byeongpyo Jeong, Makio Tsuchiya, Nobuhito Taniuchi, Takashi Takahashi, Amane Miura, Hiroyuki Tsuji (NICT) SAT2023-68
NICT is conducting R & D on next-generation broadband satellite communications technology. By establishing control techn... [more] SAT2023-68
pp.51-54
SAT, SANE
(Joint)
2024-02-09
11:50
Kagoshima AmaHome PLAZA (Amami City Shimin Koryu Center)
(Primary: On-site, Secondary: Online)
[Short Paper] BPSK Symbol-Level Precoding with CSI Sign-only Prediction for Satellite Communication System
Rizky Pratama Hudhajanto (NAIST), Duong Quang Thang (OIT), Na Chen, Minoru Okada (NAIST) SAT2023-74
LEO satellites offer potential global coverage for 5G networks, but their fast movement and propagation delay render acq... [more] SAT2023-74
pp.75-77
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
15:10
Overseas Central Hotel Marianne(Korea, Busan)
(Primary: On-site, Secondary: Online)
Puncturing Scheme Utilizing Channel State Information for Turbo-Coded Symbol Level Precoding in Satellite Communication Systems
Rizky Pratama Hudhjanto (NAIST), Duong Quang Thang (OIT), Minoru Okada (NAIST) SAT2023-50
This paper presents a new approach for integrating Symbol Level Precoding (SLP) with Turbo Code to enhance their perform... [more] SAT2023-50
pp.12-16
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
RCS, SAT
(Joint)
2023-08-31
16:20
Nagano Naganoken Nokyo Building, and online
(Primary: On-site, Secondary: Online)
[Encouragement Talk] Comparative study of channel coding methods for performance improvement in next-generation optical satellite data relay system
Eiji Okamoto, Yuma Yamashita (NITech), Yohei Satoh, Mitsuhiro Nakadai, Takamasa Itahashi, Shiro Yamakawa (JAXA) SAT2023-42
Optical satellite data relay systems which send high-capacity data observed by low-orbit user satellites to geostationar... [more] SAT2023-42
pp.41-45
RCS, SAT
(Joint)
2023-09-01
15:35
Nagano Naganoken Nokyo Building, and online
(Primary: On-site, Secondary: Online)
Feasibility Study of Physical-Layer Cryptography and Line-of-Sight Quantum Key Distribution over GEO-Ground Links based on Link Budget Calculation
Hiroyuki Endo, Masahide Sasaki, Mikio Fujiwara (NICT) SAT2023-47
Since the channel is highly directional and line-of-sight, it is reasonable to assume that an eavesdropper is hard to fu... [more] SAT2023-47
pp.60-65
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
SAT, RCS
(Joint)
2022-08-25
16:15
Hokkaido
(Primary: On-site, Secondary: Online)
[Encouragement Talk] Study on Error Correction in IP network to Compensate for Rain Attenuation in 21-GHz band Satellite Broadcasting
Yuki Koizumi, Yoichi Suzuki, Tomoya Kusunoki, Kazunori Yokohata (NHK) SAT2022-36
We are developing a diverse reception system (DRS) which compensates for the rain attenuation in 21-GHz band by recoveri... [more] SAT2022-36
pp.42-47
SAT, RCS
(Joint)
2022-08-26
16:10
Hokkaido
(Primary: On-site, Secondary: Online)
A Study of Frequency Assignment for Adaptive Coding and Modulation Scheme on Flexible Satellite Communication System
Mitsugu Ohkawa, Hiromitsu Wakana, Amane Miura (NICT) SAT2022-43
The resource control for frequency bandwidth and transmission power between beams is effective in Ka-band high capacity ... [more] SAT2022-43
pp.76-81
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
IT, ISEC, RCC, WBS 2022-03-10
11:35
Online Online An Initial Acquisition Scheme with Improved Carrier Frequency Offset Tolerance for MWHCDM
Yota Yamamura, Toshiharu Kojima (UEC) IT2021-97 ISEC2021-62 WBS2021-65 RCC2021-72
MWHCDM (modified Walsh-Hadamard code division multiplexing) is suitable for helicopter satellite communications, where r... [more] IT2021-97 ISEC2021-62 WBS2021-65 RCC2021-72
pp.89-94
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
RCS, SAT
(Joint)
2021-08-27
11:20
Online Online [Encouragement Talk] Performance analysis of LEO-GEO multi-satellite MIMO transmission method
Ayaka Noda, Kohei Ueno, Mamoru Okumura, Eiji Okamoto (NITech), Hiroyuki Tsuji, Amane Miura (NICT) SAT2021-36
Currently, demands on high-capacity satellite communications are continuously increasing. To achieve it, multiple input ... [more] SAT2021-36
pp.43-48
AP, SANE, SAT
(Joint)
2021-07-30
10:15
Online Online Development of FEC Encoder/Decoder for IP Network to Compensate for Rain Attenuation in Satellite Broadcasting
Yuki Koizumi, Yoichi Suzuki, Tomoya Kusunoki, Kazunori Yokohata, Hisashi Sujikai (NHK) SAT2021-25
We are developing a diverse reception system which uses the route diversity between a broadcasting satellite and IP netw... [more] SAT2021-25
pp.30-35
WBS, RCC, SAT, MICT
(Joint) [detail]
2021-05-21
13:00
Online Online (Zoom) A Study on Multi-rate Polar Coding Scheme Using Hybrid Pilot and Frozen Bits in Satellite Laser Communications
Hiroki Ito, Yuma Yamashita, Eiji Okamoto (NITech), Hiroo Kunimori, Morio Toyoshima (NICT) WBS2021-18 RCC2021-18 SAT2021-16
In satellite laser communications, it is necessary to apply strong error-correcting codes to prevent the quality degrada... [more] WBS2021-18 RCC2021-18 SAT2021-16
pp.95-100(WBS), pp.95-100(RCC), pp.83-88(SAT)
AP 2021-04-16
15:00
Hyogo Kinosaki International Arts Center
(Primary: On-site, Secondary: Online)
[Tutorial Lecture] R&D Status of Antennas, Propagation and System Technologies for Next Generation High Throughput Satellite
Amane Miura (NICT) AP2021-8
Recently, in the field of satellite communications, communications capacity has been improved by a multi-beam satellite ... [more] AP2021-8
pp.40-45
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