General Improvements of Heuristic Algorithms for Low Complexity DOA Estimation

Table 1

Comparison of computational complexity of ESPRIT, MUSIC, and PSO applied for SML for one time DOA estimation.

	PSO for SML	MUSIC	ESPRIT
Population size	30	—	—
Average iteration times	128	—	—
Total calculating time (seconds)	0.45	0.011	0.0017