Optimal Antenna Allocation in MIMO Radars with Collocated Antennas

The work presented here is concerned with the sensor management problem in collocated multiple-input multiple-output (MIMO) radars. After deriving the Cramer-Rao lower bound (CRLB) as a performance measure, the antenna allocation problem is formulated as a standard semi-definite programming (SDP) for the single-target case. In addition, for multiple unresolved target scenarios, a sampling-based algorithm is proposed to deal with the nonconvexity of the cost function. Simulations confirm the superiority of the localization results under the optimal structure.