| Paper: | SAM-P1.1 | ||
| Session: | Source Localization and Tracking | ||
| Time: | Tuesday, May 16, 10:30 - 12:30 | ||
| Presentation: | Poster | ||
| Topic: | Sensor Array and Multichannel Signal Processing: Source localization, separation, classification, and tracking | ||
| Title: | A THEORETICAL ANALYSIS OF 2D SENSOR ARRAYS FOR TDOA BASED LOCALIZATION | ||
| Authors: | Bin Yang, Jan Scheuing, University of Stuttgart, Germany | ||
| Abstract: | In source localization from time difference of arrival, the impact of the sensor array geometry to the localization accuracy is not well understood yet. A first rigorous analysis can be found in [1]. It derived sufficient and necessary conditions for optimum array geometry in terms of minimum Cramer-Rao bound. This paper continues the above work and studies theoretically the localization accuracy of two-dimensional sensor arrays. It addresses different issues: a) optimum vs. uniform angular array b) near-field vs. far-field array c) using all sensor pairs vs. those with a common reference sensor as required from spherical position estimators. The paper ends up with some new insights into the sensor placement problem. | ||
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