We optimize quantization intervals based on Chernoff information (CI) and deflection criterion (DC) for distributed detection with multiple sensors and a fusion center (FC). The CI and DC of the overall system are derived, and locally optimal quantization of sensor observations is proved to achieve global optimality for identical sensor observations. An optimal iterative partitioning algorithm is proposed for both nonidentically and identically distributed sensor reports. Results indicate that optimal 2-bit quantization gives detection performance that is close to what is achievable by collecting soft information from sensors.
Optimal quantization intervals in distributed detection
IEEE Transactions on Aerospace and Electronic Systems ; 52 , 1 ; 38-48
2016-02-01
1550301 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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