Presentation 2008-03-06
On the channel estimation for OFDM systems based on pilot block transmission
Vladimir Braquet, Wladimir Bocquet,
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Abstract(in English) In this paper, pilot aided channel estimation for OFDM systems based on pilot block transmission is addressed. The channel estimation based on block type pilot arrangement is performed by sending pilots at every subcarrier. In this technical report, the channel estimation is studied through different algorithms for estimating channel at pilot frequencies. The Least Square (LS) estimator, the LS with time domain noise canceler, the Least Minimum Square (LMS) with frequency domain smoothing and the RKHS based LS for multi carrier transmissions will be presented and then evaluated both in term of Bit Error Rate performance and Minimum Square Error (MSE). Simulation results show that with a limited additional comp lenity cost, the channel estimation based on RKHS framework for pilot block OFDM transmission is an appropriate solution to mitigate the impact of noisy transmission.
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Keyword(in English) OFDM / Modulation / Channel estimation and Block Type pilot structure
Paper # RCS2007-224
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Committee RCS
Conference Date 2008/2/27(1days)
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Registration To Radio Communication Systems (RCS)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) On the channel estimation for OFDM systems based on pilot block transmission
Sub Title (in English)
Keyword(1) OFDM
Keyword(2) Modulation
Keyword(3) Channel estimation and Block Type pilot structure
1st Author's Name Vladimir Braquet
1st Author's Affiliation Orange Labs Tokyo, France Telecom()
2nd Author's Name Wladimir Bocquet
2nd Author's Affiliation Orange Labs Tokyo, France Telecom
Date 2008-03-06
Paper # RCS2007-224
Volume (vol) vol.107
Number (no) 518
Page pp.pp.-
#Pages 4
Date of Issue