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Paper Abstract and Keywords
Presentation 2016-02-18 16:20
Compressed Sensing Based Channel Estimation in ISDB-T System without Cyclic Prefix
Rian Ferdian, Yafei Hou, Minoru Okada (NAIST)
Abstract (in Japanese) (See Japanese page) 
(in English) Integrated Services Digital Broadcasting Terrestrial (ISDB-T) is using orthogonal frequency division and multiplexing (OFDM) for its core modulation. Every OFDM transmission requires Cyclic Prefix (CP) in order to mitigate the inter-symbol interference (ISI) and inter-block interference (IBI). The used of CP also can ease the equalization computation as the channel matrix become circulant and toeplitz. However, CP will create longer OFDM symbol. Moreover, the length of CP will depends on the coverage radius of broadcasting, since the longer CP can accommodate the transmission delay. Recently, a wireless communication scheme without CP by using chained turbo of equalization (CHATUE) technique was proposed. Application of CHATUE in ISDB-T can create better efficiency in spectrum and wider broadcasting coverage area. But, implementation of CHATUE algorithm also requires high computational complexity due to the non-circulant structure of its interference matrices. In this paper, we propose a low-complexity implementation of CHATUE in OFDM system using the masking matrix technique to keep the interference matrices circulant and toeplitz. In addition, we also provide a simulation result to show the new maximum delay spread allowed in this ISDB-T system without CP.
Keyword (in Japanese) (See Japanese page) 
(in English) Turbo Equalization / Compressed Sensing / Spectrum Efficient / / / / /  
Reference Info. ITE Tech. Rep., vol. 40, no. 4, BCT2016-24, pp. 29-32, Feb. 2016.
Paper # BCT2016-24 
Date of Issue 2016-02-11 (BCT) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Committee BCT IEEE-BT  
Conference Date 2016-02-18 - 2016-02-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanpo-No-Yado (Otaru) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To BCT 
Conference Code 2016-02-BCT-BT 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Compressed Sensing Based Channel Estimation in ISDB-T System without Cyclic Prefix 
Sub Title (in English)  
Keyword(1) Turbo Equalization  
Keyword(2) Compressed Sensing  
Keyword(3) Spectrum Efficient  
1st Author's Name Rian Ferdian  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Yafei Hou  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Minoru Okada  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Speaker Author-1 
Date Time 2016-02-18 16:20:00 
Presentation Time 20 minutes 
Registration for BCT 
Paper # BCT2016-24 
Volume (vol) vol.40 
Number (no) no.4 
Page pp.29-32 
Date of Issue 2016-02-11 (BCT) 

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