Estimation Of Signal Parameters Via Rotational Invariance Techniques - ESPRIT

R. Roy; A. Paulraj; T. Kailath

doi:10.1117/12.936880

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4 April 1986 Estimation Of Signal Parameters Via Rotational Invariance Techniques - ESPRIT

R. Roy; A. Paulraj; T. Kailath

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Proceedings Volume 0696, Advanced Algorithms and Architectures for Signal Processing I; (1986) https://doi.org/10.1117/12.936880
Event: 30th Annual Technical Symposium, 1986, San Diego, United States

Abstract

A novel approach to the general problem of signal parameter estimation is described. Though the technique (ESPRIT) is discussed in the context of direction-of-arrival estimation, it can be applied to a wide variety of problems including spectral estimation. ESPRIT exploits an underlying rotational invariance among signal subspaces induced by an array of sensors with a translational invariance structure (e.g., pairwise matched and co-directional antenna element doublets). The new approach has several significant advantages over earlier techniques such as MUSIC including improved performance, reduced computational load, freedom from array characterization/calibration, and reduced sensitivity to array perturbations. Results of computer simulations carried out to evaluate the new algorithm are presented.

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R. Roy, A. Paulraj, and T. Kailath "Estimation Of Signal Parameters Via Rotational Invariance Techniques - ESPRIT", Proc. SPIE 0696, Advanced Algorithms and Architectures for Signal Processing I, (4 April 1986); https://doi.org/10.1117/12.936880

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