Ranging in a single-input multiple-output (SIMO) system

Date

2008

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Abstract

In this letter, optimal ranging in a single-input multiple-output (SIMO) system is studied. The theoretical limits on the accuracy of time-of-arrival (TOA) (equivalently, range) estimation are calculated in terms of the Cramer-Rao lower bound (CRLB). Unlike the conventional phased array antenna structure, a more generic fading model is employed, which allows for the analysis of spatial diversity gains from the viewpoint of a ranging system. In addition to the optimal solution, a two-step suboptimal range estimator is proposed, and its performance is compared with the CRLBs.

Source Title

IEEE Communications Letters

Publisher

Institute of Electrical and Electronics Engineers

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Published Version (Please cite this version)

Language

English