Abstract
This paper investigates the sensitivity to phase synchronization errors through the Hybrid Cramér–Rao Lower Bounds (HCRLB) for joint estimation of target location and velocity in coherent Multiple-Input Multiple-Output (MIMO) radars with distributed antennas. In particular, we derived the HCRLB of range and velocity of a target embedded in Complex Elliptically Symmetric (CES) distributed clutter when the phase error on each receiver and transmitter is modeled as a Gaussian random variable. Closed-form expressions of the HCRLBs are derived and evaluated as a function of the phase error variance.
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