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Cognitive Radar Network: Cooperative Adaptive Beamsteering for Integrated Search-and-Track Application

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Author
Romero, Ric A.
Goodman, Nathan A.
Date
2012-07-12
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Abstract
Cognitive radar (CR) is a paradigm shift from a traditional radar system in that previous knowledge and current measurements obtained from the radar channel are used to form a probabilistic understanding of its environment. Moreover, CR incorporates this probabilistic knowledge into its task priorities to form illumination and probing strategies, thereby rendering it a closed-loop system. Depending on the hardware’s capabilities and limitations, there are various degrees of freedom that a CR may utilize. Here we concentrate on spatial illumination as a resource, where adaptive beamsteering is used for search-and-track functions. We propose a multiplatform cognitive radar network (CRN) for integrated search-and-track application. Specifically, two radars cooperate in forming a dynamic spatial illumination strategy, where beamsteering is matched to the channel uncertainty to perform the search function. Once a target is detected and a track is initiated, track information is integrated into the beamsteering strategy as part of CR’s task prioritization.
Description
The article of record as published may be found at http://dx.doi.org/10.0018-9251/13/
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
URI
https://hdl.handle.net/10945/48639
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    Adaptive Beamsteering for Search-and-Track Application with Cognitive Radar Network 

    Romero, Ric A.; Goodman, Nathan A. (IEEE, 2011);
    In this paper, we introduce the concept of a Cognitive Radar Network (CRN). The goal of the radar platforms in a CRN is to cooperate in illuminating the radar channel in an efficient manner in an effort to search for ...
  • Thumbnail

    Adaptive Beamsteering Cognitive Radar with Integrated Search-and-Track of Swarm Targets 

    Johnson, Z.W.; Romero, Ric (IEEE, 2016);
    Adaptive beamsteering cognitive radar (AB-CRr) systems seek to improve detection and tracking performance by formulating a beam placement strategy adapted to their environment. AB-CRr builds a probabilistic model of the ...
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    ADAPTIVE BEAMSTEERING COGNITIVE RADAR WITH INTEGRATED SEARCH-AND-TRACK OF SWARM TARGETS 

    Johnson, Zachary W. (Monterey, California. Naval Postgraduate School, 2020-06);
    Unlike traditional radar systems, cognitive radars are designed to employ a perception-action cycle to continuously adapt to their environment. Adaptive beamsteering cognitive radar (AB-CRr) systems seek to improve ...
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