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Paper Abstract and Keywords
Presentation 2019-02-21 15:55
A Study on LDM-BST-OFDM Using Extended Parity of LDPC Codes in Lower Layer of LDM -- A Study on Extended Parity Generation --
Hiroto Yamamoto, Akira Nakamura, Makoto Itami (TUS)
Abstract (in Japanese) (See Japanese page) 
(in English) The scheme that combines LDM(Layered Division Multiplexing) to the BST-OFDM(Band Segmented Transmission – OFDM) has been proposed for the next-generation DTTB(Digital Terrestrial Television Broadcasting). In this paper, the scheme that can decode received symbols even with conventional receivers that don’t support LDM demodulation for fixed reception is proposed. In the proposed scheme for fixed reception, the parity-check matrix of the conventional LDPC code whose length is 69120 is extended. After that, the extended parity bits are generated by the parity-check matrix and modulated. These modulated symbols are multiplexed by LDM to symbols for mobile reception. In this paper, we studied improvement of extended parity generation for LDM-BST-OFDM, and the performances of the proposed scheme are evaluated by computer simulations under AWGN(Additive White Gaussian Noise) environment. From the results of simulations the required CNR(Carrier to Noise Ratio) of fixed reception can be improved by the proposed scheme.
Keyword (in Japanese) (See Japanese page) 
(in English) BST-OFDM / LDM / Extended Parity / / / / /  
Reference Info. ITE Tech. Rep., vol. 43, no. 6, BCT2019-30, pp. 29-32, Feb. 2019.
Paper # BCT2019-30 
Date of Issue 2019-02-14 (BCT) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970

Conference Information
Committee BCT IEEE-BT  
Conference Date 2019-02-21 - 2019-02-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanponoyado Yaizu 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Students and Young Researcher Session, etc. 
Paper Information
Registration To BCT 
Conference Code 2019-02-BCT-BT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on LDM-BST-OFDM Using Extended Parity of LDPC Codes in Lower Layer of LDM 
Sub Title (in English) A Study on Extended Parity Generation 
Keyword(1) BST-OFDM  
Keyword(2) LDM  
Keyword(3) Extended Parity  
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1st Author's Name Hiroto Yamamoto  
1st Author's Affiliation Tokyo University of Science (TUS)
2nd Author's Name Akira Nakamura  
2nd Author's Affiliation Tokyo University of Science (TUS)
3rd Author's Name Makoto Itami  
3rd Author's Affiliation Tokyo University of Science (TUS)
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Speaker
Date Time 2019-02-21 15:55:00 
Presentation Time 20 
Registration for BCT 
Paper # ITE-BCT2019-30 
Volume (vol) ITE-43 
Number (no) no.6 
Page pp.29-32 
#Pages ITE-4 
Date of Issue ITE-BCT-2019-02-14 


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