Presentation 2004-08-27
Channel Estimation Method for Multicarrier Transmission Based on Frequency-Averaged MMSE Combining
Yoshitaka HARA, Akinori TAIRA, Loic BRUNEI, Thomas SALZER,
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Abstract(in English) A new frequency-aver aged MMSE estimator is proposed for multicarrier transmission schemes. The pro- posed estimator employs a new criterion of minimizing the mean square errors (MSE) over subcarriers, which provides an accurate channel estimation using a few pilot OFDM symbols without a priori channel knowledge. The proposed estimator has low complexity, since it uses high correlated adjacent subcarriers and neglects low correlated distant subcarriers. In the estimation process, intersymbol and intersubcarrier interference due to excess delay paths beyond guard interval is considered to achieve good performance. The simulation results showed that the frequency-aver aged MMSE estimator can effectively reduce estimation error and keeps better performance than the conventional robust estimator in any channel conditions.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Mobile communication / Multicarrier / Channel estimation / MMSE / MC-CDMA
Paper # RCS2004-140
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Conference Information
Committee RCS
Conference Date 2004/8/20(1days)
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Paper Information
Registration To Radio Communication Systems (RCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Channel Estimation Method for Multicarrier Transmission Based on Frequency-Averaged MMSE Combining
Sub Title (in English)
Keyword(1) Mobile communication
Keyword(2) Multicarrier
Keyword(3) Channel estimation
Keyword(4) MMSE
Keyword(5) MC-CDMA
1st Author's Name Yoshitaka HARA
1st Author's Affiliation Mitsubishi Electric Information Technology Centre Europe B.V. (ITE)()
2nd Author's Name Akinori TAIRA
2nd Author's Affiliation Mitsubishi Electric Corporation
3rd Author's Name Loic BRUNEI
3rd Author's Affiliation Mitsubishi Electric Information Technology Centre Europe B.V. (ITE)
4th Author's Name Thomas SALZER
4th Author's Affiliation Mitsubishi Electric Information Technology Centre Europe B.V. (ITE)
Date 2004-08-27
Paper # RCS2004-140
Volume (vol) vol.104
Number (no) 258
Page pp.pp.-
#Pages 6
Date of Issue