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Paper Abstract and Keywords
Presentation 2023-07-27 14:25
Communication Performance by Time Domain LDM in Next-Generation DTTB under ISDB-T
Atsuo Miki (Tokyo Univ. of Science), Akira Nakamura (Kanagawa Univ.), Makoto Itami (Tokyo Univ. of Science)
Abstract (in Japanese) (See Japanese page) 
(in English) The study aimed to realize the 4K・8K broadcasting by simultaneously transmitting the Next-Generation DTTB and ISDB-T (Integrated Services Digital Broadcasting-Terrestrial), using the LDM (Layered Division Multiplexing) method. Simulation-based comparisons were made between the results obtained with LDM implemented in both the frequency and time axes. In a previous study, time-axis LDM exhibited lower quality compared to frequency-axis LDM. However, the introduction of oversampling in the LDM superposition reduced the required CNR for the advanced DTTB method by approximately 0.4 dB in comparison to frequency-axis LDM at the same bit rate.
Keyword (in Japanese) (See Japanese page) 
(in English) Broadcasting / 4K・8K / ISDB-T / LDM / / / /  
Reference Info. ITE Tech. Rep., vol. 47, no. 21, BCT2023-51, pp. 9-12, July 2023.
Paper # BCT2023-51 
Date of Issue 2023-07-20 (BCT) 
ISSN Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2023-07-27 - 2023-07-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Sapporo Business Innovation Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Broadcast Operating, Transmission & Reception, Program creation, Broadcast master control , etc 
Paper Information
Registration To BCT 
Conference Code 2023-07-BCT-BT-HOKKAIDO 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Communication Performance by Time Domain LDM in Next-Generation DTTB under ISDB-T 
Sub Title (in English)  
Keyword(1) Broadcasting  
Keyword(2) 4K・8K  
Keyword(3) ISDB-T  
Keyword(4) LDM  
1st Author's Name Atsuo Miki  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Akira Nakamura  
2nd Author's Affiliation Kanagawa University (Kanagawa Univ.)
3rd Author's Name Makoto Itami  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2023-07-27 14:25:00 
Presentation Time 20 minutes 
Registration for BCT 
Paper # BCT2023-51 
Volume (vol) vol.47 
Number (no) no.21 
Page pp.9-12 
Date of Issue 2023-07-20 (BCT) 

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