NDLI: A new subspace-based algorithm for blind channel identification in ZP-OFDM systems using few received blocks

Content Provider	IEEE Xplore Digital Library
Author	Yen-Chang Pan See-May Phoong
Copyright Year	2013
Description	Author affiliation: Dept. of EE, Nat. Taiwan Univ., Taipei, Taiwan (Yen-Chang Pan; See-May Phoong)
Abstract	Recently, several subspace-based algorithms for blind channel identification in zero-padded orthogonal frequency division multiplexing (ZP-OFDM) systems were introduced. These subspace-based methods are attractive because highly accurate estimate of the channel can be obtained by using only a few received blocks. However, these subspace-based methods do not work when the ZP-OFDM system has virtual carriers (VC). In this paper, we propose a new subspace-based algorithm for blind channel identification. The proposed method can be applied to ZP-OFDM systems with or without VC. The availability of VC is exploited in our method to further improve the estimation accuracy. Moreover, we do not put any constraint on the locations of VC.
Starting Page	714
Ending Page	718
File Size	258354
Page Count	5
File Format	PDF
ISBN	9781467355773
ISSN	19483244
DOI	10.1109/SPAWC.2013.6612143
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-16
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	OFDM Signal processing algorithms Indexes Blind equalizers Wireless communication Conferences blind method Channel identification zero-padded orthogonal frequency division multiplexing (ZP-OFDM)
Content Type	Text
Resource Type	Article

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