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Paper Abstract and Keywords
Presentation 2022-02-17 13:40
A Study on Demodulation Method of UL in Induction of Next-Generation DTTB using LDM Method
Masashi Sekiguchi, Takashi Komatsu, Akira Nakamura (Kanagawa Univ.), Makoto Itami (TUS)
Abstract (in Japanese) (See Japanese page) 
(in English) Induction of NEXT-Generation DTTB is considered for 4K broadcasting using same channel as existing 2K broadcasting. The LDM scheme is one of Induction of NEXT-Generation DTTB. Under the case that sequential demodulation is used in LDM scheme, a demodulation characteristic of LL depends on UL. However, the performance of convolutional code-Viterbi decoding used in UL is more deteriorate than the performance of LDPC used in LL under multipath environments. Although Viterbi decoding using CSI can improve performance under multipath environments, deterioration of reception characteristic in LDM System occurs. In this paper, a Viterbi decoding using CSI and LL power is proposed. The proposed method is evaluated by computer simulation. As a result, it is possible to improve the reception characteristic by proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) Induction of NEXT-Generation DTTB / LDM / Viterbi decoding / CSI / Interference power / / /  
Reference Info. ITE Tech. Rep., vol. 46, no. 5, BCT2022-15, pp. 9-12, Feb. 2022.
Paper # BCT2022-15 
Date of Issue 2022-02-10 (BCT) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee BCT IEEE-BT  
Conference Date 2022-02-17 - 2022-02-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To BCT 
Conference Code 2022-02-BCT-BT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Demodulation Method of UL in Induction of Next-Generation DTTB using LDM Method 
Sub Title (in English)  
Keyword(1) Induction of NEXT-Generation DTTB  
Keyword(2) LDM  
Keyword(3) Viterbi decoding  
Keyword(4) CSI  
Keyword(5) Interference power  
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1st Author's Name Masashi Sekiguchi  
1st Author's Affiliation Kanagawa University (Kanagawa Univ.)
2nd Author's Name Takashi Komatsu  
2nd Author's Affiliation Kanagawa University (Kanagawa Univ.)
3rd Author's Name Akira Nakamura  
3rd Author's Affiliation Kanagawa University (Kanagawa Univ.)
4th Author's Name Makoto Itami  
4th Author's Affiliation Tokyo University of Science (TUS)
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Speaker
Date Time 2022-02-17 13:40:00 
Presentation Time 20 
Registration for BCT 
Paper # ITE-BCT2022-15 
Volume (vol) ITE-46 
Number (no) no.5 
Page pp.9-12 
#Pages ITE-4 
Date of Issue ITE-BCT-2022-02-10 


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