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Sensor management for radar networks

Sensor management for radar networks

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Advancements in communication and information-processing technologies are driving an interest in networked radar systems, which are capable of compensating for the weaker attributes of the individual radars in the network. The role of a network of radar systems is to perform joint assessment of a surveillance region by fusing data generated at the individual radar nodes. To achieve best possible performance for the network, it is necessary to optimally configure the network and allocate its finite resources, such as radar time/energy budget, bandwidth, communication capacity and processing capacity. This chapter describes sensor and resources management techniques that can be applied to radar networks, focussing on radar network measurement scheduling and networked radar quality of service-based resources management.

Chapter Contents:

  • Abstract
  • 15.1 Radar networks
  • 15.2 Information fusion and management architectures
  • 15.2.1 Data fusion with monostatic radars
  • 15.2.2 Coordinated monostatic radars
  • 15.2.3 Multistatic radars
  • 15.3 Radar measurement scheduling
  • 15.3.1 Problem formulation
  • 15.3.2 Scheduling time horizon
  • 15.3.3 Optimization criteria
  • 15.3.3.1 Posterior Cramér-Rao lower bound
  • 15.3.3.2 Information theoretic criteria
  • 15.3.3.3 Covariance control
  • 15.3.3.4 Energy and communication costs
  • 15.3.4 Simulations
  • 15.3.4.1 Single radar selection
  • 15.3.4.2 Multiple radar selection
  • 15.3.4.3 Discussion
  • 15.4 Networked quality of service management
  • 15.4.1 Management algorithms and network configurations
  • 15.4.1.1 Local rule-based management (RBM) without feedback
  • 15.4.1.2 Local QoS management (LQoS) without feedback
  • 15.4.1.3 Local QoS management with feedback (LQoS-F)
  • 15.4.1.4 Centralized QoS management (CQoS) and fusion
  • 15.4.2 Multi-resource QoS problem
  • 15.4.2.1 Optimality conditions
  • 15.4.2.2 MSQRAM algorithm
  • 15.4.3 Performance model
  • 15.4.4 Simulations
  • 15.5 Summary
  • Abbreviations
  • References

Inspec keywords: sensor fusion; resource allocation; quality of service; search radar

Other keywords: radar network measurement scheduling; resources management; networked radar quality of service; surveillance region; individual radar nodes; optimal network configuration; sensor management; finite resource allocation; data generation fusion; radar time-energy budget; communication technology; information-processing technology

Subjects: Signal processing and detection; Radar equipment, systems and applications; Radar theory

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