Localizations of Targets inside Enclosed Structures with a Single Sensor.

In urban sensing and through-the wall radar, the existence of targets in proximity to walls introduces multipath returns. Coherent and noncoherent target localization are typically achieved by using multiple sensors at the expense of system cost, covertness, inflexibility in sensor positioning, and complexity in hardware and processing requirements. In this paper, target localization with a single sensor is achieved by exploiting the target multipath from the walls. A data association algorithm is derived that correctly associates the time-of-arrival (ToA) of the multipath returns to the walls they originate from. This is followed by nonlinear least squares technique to achieve noncoherent target localization. The proposed technique can be used for multiple targets provided that the ToAs of the direct path and multipath returns are all resolvable. Simulations and experimental data are used to validate the proposed algorithms.

Main Author: Setlur, Pawan.
Other Authors: Ahmad, Fauzia., Smith, Graeme E., Amin, Moeness G.
Format: Villanova Faculty Authorship
Language: English
Published: 2011
Online Access: http://ezproxy.villanova.edu/login?url=https://digital.library.villanova.edu/Item/vudl:173405
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dc_source_str_mv Proceedings of the IEEE Radar Conference, Kansas City, MI, May 2011.
author Setlur, Pawan.
author_facet_str_mv Setlur, Pawan.
Ahmad, Fauzia.
Smith, Graeme E.
Amin, Moeness G.
author_or_contributor_facet_str_mv Setlur, Pawan.
Ahmad, Fauzia.
Smith, Graeme E.
Amin, Moeness G.
author_s Setlur, Pawan.
spellingShingle Setlur, Pawan.
Localizations of Targets inside Enclosed Structures with a Single Sensor.
author-letter Setlur, Pawan.
author_sort_str Setlur, Pawan.
author2 Ahmad, Fauzia.
Smith, Graeme E.
Amin, Moeness G.
author2Str Ahmad, Fauzia.
Smith, Graeme E.
Amin, Moeness G.
dc_title_str Localizations of Targets inside Enclosed Structures with a Single Sensor.
title Localizations of Targets inside Enclosed Structures with a Single Sensor.
title_short Localizations of Targets inside Enclosed Structures with a Single Sensor.
title_full Localizations of Targets inside Enclosed Structures with a Single Sensor.
title_fullStr Localizations of Targets inside Enclosed Structures with a Single Sensor.
title_full_unstemmed Localizations of Targets inside Enclosed Structures with a Single Sensor.
collection_title_sort_str localizations of targets inside enclosed structures with a single sensor.
title_sort localizations of targets inside enclosed structures with a single sensor.
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description In urban sensing and through-the wall radar, the existence of targets in proximity to walls introduces multipath returns. Coherent and noncoherent target localization are typically achieved by using multiple sensors at the expense of system cost, covertness, inflexibility in sensor positioning, and complexity in hardware and processing requirements. In this paper, target localization with a single sensor is achieved by exploiting the target multipath from the walls. A data association algorithm is derived that correctly associates the time-of-arrival (ToA) of the multipath returns to the walls they originate from. This is followed by nonlinear least squares technique to achieve noncoherent target localization. The proposed technique can be used for multiple targets provided that the ToAs of the direct path and multipath returns are all resolvable. Simulations and experimental data are used to validate the proposed algorithms.
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dc.title Localizations of Targets inside Enclosed Structures with a Single Sensor.
dc.creator Setlur, Pawan.
Ahmad, Fauzia.
Smith, Graeme E.
Amin, Moeness G.
dc.description In urban sensing and through-the wall radar, the existence of targets in proximity to walls introduces multipath returns. Coherent and noncoherent target localization are typically achieved by using multiple sensors at the expense of system cost, covertness, inflexibility in sensor positioning, and complexity in hardware and processing requirements. In this paper, target localization with a single sensor is achieved by exploiting the target multipath from the walls. A data association algorithm is derived that correctly associates the time-of-arrival (ToA) of the multipath returns to the walls they originate from. This is followed by nonlinear least squares technique to achieve noncoherent target localization. The proposed technique can be used for multiple targets provided that the ToAs of the direct path and multipath returns are all resolvable. Simulations and experimental data are used to validate the proposed algorithms.
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