NDLI: On coded pilot based channel estimation for OFDM in very fast multipath fading channel

Content Provider	IEEE Xplore Digital Library
Author	Ng, W.T. Dubey, V.K.
Copyright Year	2003
Description	Author affiliation: Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore (Ng, W.T.; Dubey, V.K.)
Abstract	This paper proposes a novel channel estimation algorithm for orthogonal frequency division multiplexing (OFDM) system based on comb-type of coded clusters of pilots. It is not only able to estimate the channel response due to immediate subcarriers, but also the amount of inter-carrier-interference (ICI) from other subcarriers. The algorithm is suitable for OFDM system in very fast time varying channel, where ICI is significant. The criteria for selecting the optimum coded pilot sequence for each of the cluster is also presented. The mean square error (MSE) of the estimate using the proposed algorithm is also derived. The simulation results clearly show that the proposed algorithm outperforms the conventional channel estimation algorithm.
Sponsorship	Microsoft Res. Asia Singapore Exhibition and Convention Bureau
Starting Page	859
Ending Page	863
File Size	322365
Page Count	5
File Format	PDF
ISBN	0780381858
DOI	10.1109/ICICS.2003.1292579
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-12-15
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Channel estimation OFDM Fading Clustering algorithms Interference Frequency division multiplexing Partial transmit sequences Multipath channels Bandwidth Equalizers
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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