DOA estimation using one-bit quantized measurements

Ofer Bar-Shalom; Anthony J. Weiss

doi:10.1109/TAES.2002.1039405

DOA estimation using one-bit quantized measurements

Ofer Bar-Shalom^*, Anthony J. Weiss

^*Corresponding author for this work

Engineering General

Research output: Contribution to journal › Article › peer-review

175 Scopus citations

Abstract

The effects 1-bit quantization of the input samples has on the direction-of-arrival (DOA) estimation accuracy are considered. The signal model assumes a single stochastic Gaussian point source that is embedded in white Gaussian noise (WGN). The inherent limitations governed by the extreme clipping of the input data are analyzed using the Cramér-Rao bound (CRB) that is derived for a two-sensor array. In addition, several estimators for the 1-bit estimation are discussed. Numerical and analytical analyses of the estimation error reveal weak dependency on signal-to-noise ratio (SNR) with singular behavior of the estimation error in certain DOA angles.

Original language	English
Pages (from-to)	868-884
Number of pages	17
Journal	IEEE Transactions on Aerospace and Electronic Systems
Volume	38
Issue number	3
DOIs	https://doi.org/10.1109/TAES.2002.1039405
State	Published - Jul 2002

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DOA estimation using one-bit quantized measurements

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