Tracking with MIMO sonar systems: applications to harbour surveillance

Yan Pailhas, Jeremie Houssineau, Yvan Petillot, Daniel E Clark

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)
213 Downloads (Pure)


Multiple-input multiple-output (MIMO) sonar systems offer new perspectives for area surveillance especially in complex environments where strong multipath and dense clutter can become very challenging. This study proposes a MIMO sonar system based scheme to tackle the difficult problem of harbour surveillance. An emphasis is put on recognition and tracking on low-profile mid-water targets. First, a MIMO simulator which can compute synthetic raw data for any transmitter/ receiver pair in a multipath, cluttered and dynamic environment is presented. The study then proposes two radically different methods for the underwater target tracking problem in complex environment: a digital tracker and an analogue tracker. On the digital side, an implementation of the recently developed hypothesised filter for independent stochastic populations is presented. This filter enables robust multi-object tracking as well as track classification capabilities without the use of heuristics. An analogue filter based on acoustical time reversal techniques is also introduced. This filter directly uses the returned acoustic field from the scene to focus the sound on the expected target position, hence improving the signal-to-noise ratio on the target in complex environments and taking full advantage of the MIMO architecture.
Original languageEnglish
Pages (from-to)629–639
Number of pages11
JournalIET Radar, Sonar and Navigation
Issue number4
Early online date12 Jul 2016
Publication statusPublished - Apr 2017


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