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Paper Abstract and Keywords
Presentation 2014-07-10 11:00
Doppler-Resistant Channel Estimation Method Using RLS Algorithm for MIMO-OFDM Systems
Masahito Umehara, Hiroshi Tsutsui, Yoshikazu Miyanaga (Hokkaido Univ.) CAS2014-26 VLD2014-35 SIP2014-47 MSS2014-26 SIS2014-26
Abstract (in Japanese) (See Japanese page) 
(in English) Frequency deviation by the Doppler shift in the multipath environment deteriorates the demodulation accuracy significantly. In this paper, we introduce the recursive least squares (RLS) algorithm which is one of the adaptive algorithms for MIMO detector of multiple-input multiple-output - orthogonal frequency division multiplexing (MIMO-OFDM) systems and propose a channel estimation method which has a Doppler resistance. In addition, we focus on the preamble structure of transmission frames to improve further demodulation accuracy. As a result, we report that the channel estimation accuracy is improved utilizing the extension high throughput - long training field (HT-LTF).
Keyword (in Japanese) (See Japanese page) 
(in English) MIMO-OFDM systems / RLS / Doppler shift / HT-LTF / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 126, SIS2014-26, pp. 135-140, July 2014.
Paper # SIS2014-26 
Date of Issue 2014-07-02 (CAS, VLD, SIP, MSS, SIS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Download PDF CAS2014-26 VLD2014-35 SIP2014-47 MSS2014-26 SIS2014-26

Conference Information
Conference Date 2014-07-09 - 2014-07-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) System, signal processing and related topics 
Paper Information
Registration To SIS 
Conference Code 2014-07-CAS-SIP-MSS-VLD-SIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Doppler-Resistant Channel Estimation Method Using RLS Algorithm for MIMO-OFDM Systems 
Sub Title (in English)  
Keyword(1) MIMO-OFDM systems  
Keyword(2) RLS  
Keyword(3) Doppler shift  
Keyword(4) HT-LTF  
1st Author's Name Masahito Umehara  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Hiroshi Tsutsui  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Yoshikazu Miyanaga  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Date Time 2014-07-10 11:00:00 
Presentation Time 20 
Registration for SIS 
Paper # CAS2014-26, VLD2014-35, SIP2014-47, MSS2014-26, SIS2014-26 
Volume (vol) 114 
Number (no) no.122(CAS), no.123(VLD), no.124(SIP), no.125(MSS), no.126(SIS) 
Page pp.135-140 
Date of Issue 2014-07-02 (CAS, VLD, SIP, MSS, SIS) 

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