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Paper Abstract and Keywords
Presentation 2006-03-01 13:20
A study on IQ imbalance compenzation scheme for MIMO-OFDM using cascaded connection of MMSE and MLD
Yasuhiko Tanabe, Tsuguhide Aoki, Yoshimasa Egashira, Kazumi Sato (Toshiba)
Abstract (in Japanese) (See Japanese page) 
(in English) Imperfections of analog circuits are a serious obstacle to the realization of higher data rate transmission for MIMO-OFDM systems. IQ imbalance is one such imperfection. We propose a compensation scheme using a cascaded connection
of MMSE and MLD, which applies MIMO decoding and compensation of IQ imbalance simultaneously. Computer simulations show that the proposed scheme can achieve almost the same performance as the conventional compensation scheme even though the computational complexity is reduced to 1/8 of that in the case of the conventional compensation scheme.
Keyword (in Japanese) (See Japanese page) 
(in English) MMSE / OFDM / IQ imbalance / MMSE / MLD / / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 623, RCS2005-187, pp. 55-60, March 2006.
Paper # RCS2005-187 
Date of Issue 2006-02-22 (RCS) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee RCS AP WBS SR MW MoNA  
Conference Date 2006-03-01 - 2006-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) YRP 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2006-03-RCS-AP-WBS-SR-MW-MoMuC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on IQ imbalance compenzation scheme for MIMO-OFDM using cascaded connection of MMSE and MLD 
Sub Title (in English)  
Keyword(1) MMSE  
Keyword(2) OFDM  
Keyword(3) IQ imbalance  
Keyword(4) MMSE  
Keyword(5) MLD  
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1st Author's Name Yasuhiko Tanabe  
1st Author's Affiliation Toshiba Corporation (Toshiba)
2nd Author's Name Tsuguhide Aoki  
2nd Author's Affiliation Toshiba Corporation (Toshiba)
3rd Author's Name Yoshimasa Egashira  
3rd Author's Affiliation Toshiba Corporation (Toshiba)
4th Author's Name Kazumi Sato  
4th Author's Affiliation Toshiba Corporation (Toshiba)
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Speaker Author-1 
Date Time 2006-03-01 13:20:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2005-187 
Volume (vol) vol.105 
Number (no) no.623 
Page pp.55-60 
#Pages
Date of Issue 2006-02-22 (RCS) 


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