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Proceedings Paper

Structured channel estimation algorithm based on estimating the time-of-arrivals (TOAs) with applications to digital TV receivers
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Paper Abstract

In this paper we introduce a new structured channel impulse response (CIR) estimation method for sparse multipath channels. We call this novel CIR estimation method Time-Of-Arrival based Blended Least Squares (TOA-BLS) which uses symbol rate sampled signals, based on blending the least squares based channel estimation and the correlation and cleaning followed by TOA estimation. TOA estimation is accomplished in the frequency domain and is based on AR model parameter estimation via unconstrained least squares. Simulation examples are drawn from the ATSC digital TV 8-VSB system. The delay spread for digital TV systemscan be as long as several hundred times the symbol duration; however digital TV channels are, in general, sparse where there are only a few dominant multipaths.

Paper Details

Date Published: 23 July 2003
PDF: 12 pages
Proc. SPIE 5100, Digital Wireless Communications V, (23 July 2003); doi: 10.1117/12.488727
Show Author Affiliations
Serdar Ozen, Purdue Univ. (United States)
Zenith Electronics Corp. (United States)
Michael D. Zoltowski, Purdue Univ. (United States)

Published in SPIE Proceedings Vol. 5100:
Digital Wireless Communications V
Raghuveer M. Rao; Soheil A. Dianat; Michael D. Zoltowski, Editor(s)

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