Sensor fusion for coastal waters surveillance

Bharat T. Doshi; Lotfi Benmohamed; Philip F. Chimento Jr.; I-Jeng Wang

doi:10.1117/12.603624

28 March 2005 Sensor fusion for coastal waters surveillance

Bharat T. Doshi, Lotfi Benmohamed, Philip F. Chimento Jr., I-Jeng Wang

Proceedings Volume 5813, Multisensor, Multisource Information Fusion: Architectures, Algorithms, and Applications 2005; (2005) https://doi.org/10.1117/12.603624
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

We describe a large sensor field whose mission is to protect coastal waters by detecting objects like submarines. The system is buoy-based and distributed over a littoral area. The opportunities for detection are short and intermittent and the signal to noise ratio is low. The topology of the field changes with time due to currents, wind, tides and storms. The field has a number of gateway nodes that have the capability to transmit off-field through a satellite, a ship or a plane. We propose an approach to fusion that includes on-buoy processing, cooperative processing with nearest neighbors and the potential for off-field processing. Each stage of processing tries both to minimize false positive events and to maximize the probability of detection when an object is present. It also tries to minimize power used in order to prolong the life of the field. We analyze the optimal placement of gateway nodes in the field to minimize power consumption and maximize reliability and probability of successful off-field transmission. We analyze the duty cycles of the sensor and gateway nodes to optimize lifetime. We also analyze the traffic that the field will be expected to handle in order to support network control and coordination, distributed fusion, off-field communication (including queries and responses, and reporting of detection events), forwarding of traffic through individual sensor nodes toward gateways or for fusion.

Citation Download Citation

Bharat T. Doshi, Lotfi Benmohamed, Philip F. Chimento Jr., and I-Jeng Wang "Sensor fusion for coastal waters surveillance", Proc. SPIE 5813, Multisensor, Multisource Information Fusion: Architectures, Algorithms, and Applications 2005, (28 March 2005); https://doi.org/10.1117/12.603624

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