Closed-form Cramer-Rao bounds for 3D extended-target kinematics in ISAC are derived and used to design CRB-aware beamforming, with a graph-neural-network low-complexity alternative.
Cram ´er-Rao bound optimization for joint radar-communication beamforming,
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3D Extended Target Sensing in ISAC: Cram\'er-Rao Bound Analysis and Beamforming Design
Closed-form Cramer-Rao bounds for 3D extended-target kinematics in ISAC are derived and used to design CRB-aware beamforming, with a graph-neural-network low-complexity alternative.