Title

Non-iterative deconvolution method for estimating multipath channel responses

Document Type

Conference Proceeding

Date of Original Version

1-1-1993

Abstract

We address the problem of estimating a multipath channel response characterized by time delays and amplitudes. The data for the problem is a noisy received waveform which consists of scaled and delayed replicas of a known transmitted signal. The problem of estimating the unknown parameters is posed as a deconvolution problem. A simple approach which just solves a set of linear equations is proposed for this deconvolution. The approach makes use of the special structure of the impulse response of the channel. It yields a better estimate of the channel response than the iterative method of Projection Onto Convex Sets (POCS). The connection between the proposed and the POCS method is shown. We also address the problem which occurs when the time delays are not integer multiples of the sampling interval, which is often the case in practice.

Publication Title

Proceedings - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing

Volume

1

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