A Simple Subspace-Based Blind Channel Estimation for OFDM Systems

Feifei Gao*, A. Nallanathan, Arumugam Nallanathan

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review

1 Citation (Scopus)

Abstract

In this paper, we consider the problem of blind channel estimation for single-input single-out (SISO) orthogonal frequency-division multiplexing (OFDM) systems via second order statistics (SOS) only. Based on the assumption that the transmitted symbols are independent and identically distributed (i.i.d), we develop a simple subspace based blind channel estimation technique by utilizing a non-redundant linear block precoding. The proposed method offers improved performance over the existing method using similar precoding technique. Additionally, the design criteria for the precoders by which the performance can be greatly improved is discussed, and the stochastic Cramer-Rao Bound (CRB) is derived. The numerical results clearly show the effectiveness of our proposed algorithm.

Original languageEnglish
Title of host publication2006 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC 2006), VOLS 1-4
Place of PublicationNEW YORK
PublisherIEEE
Pages1515-1518
Number of pages4
ISBN (Print)978-1-4244-0269-4
Publication statusPublished - 2006
EventIEEE Wireless Communications and Networking Conference - Las Vegas, United Kingdom
Duration: 3 Apr 20066 Apr 2006

Publication series

NameIEEE Wireless Communications and Networking Conference
PublisherIEEE
ISSN (Print)1525-3511

Conference

ConferenceIEEE Wireless Communications and Networking Conference
Country/TerritoryUnited Kingdom
Period3/04/20066/04/2006

Keywords

  • IDENTIFICATION

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