DOA and Noncircular Phase Estimation of Noncircular Signal via an Improved Noncircular Rotational Invariance Propagator Method

Table 1

Computational complexity of the proposed algorithm, NC-RI-PM algorithm, and NC-ESPRIT algorithm.

Algorithm	Computational complexity
NC-RI-PM in [38]
NC-ESPRIT in [29]
Improved NC-RI-PM