Abstract:The issue of angle estimation in Multiple-Input Multiple-Output (MIMO) radar is discussed without knowledge of waveforms correlated matrix, and an improved MUltiple SIgnal Classification (MUSIC) algorithm is proposed for Direction Of Arrival (DOA) estimation in monostatic MIMO radar. The proposed algorithm does not require the knowledge of transmit waveforms correlated matrix, and has better angle estimation performance than the conventional Propagator Method (PM), Estimation of Signal Parameters via Rotational Invariance Techniques (ESPRIT) algorithm, and MUSIC based on reconstruction of output signal. And the algorithm can be used in MIMO radar with any array construction for angle estimation, and the Cramér-Rao Bound (CRB) in monostatic MIMO radar is derived. The simulation results demonstrate the effectiveness of the proposed approach.
陈晨, 张小飞, 李建峰. 波形相关矩阵未知情况下单基地MIMO雷达中一种改进MUSIC的DOA估计算法[J]. 电子与信息学报, 2012, 34(12): 2966-2971.
Chen Chen, Zhang Xiao-Fei, Li Jian-Feng. An Improved MUSIC DOA Estimation Algorithm for Monostatic MIMO Radar without Knowledge of Waveforms Correlated Matrix. , 2012, 34(12): 2966-2971.