[Retracted] DOA Estimation of an Enhanced Generalized Nested Array with Increased Degrees of Freedom and Reduced Mutual Coupling

Table 2

Comparison of DOF for different arrays.

Total number of antennas	NA	ENA	Iizuka-NA	Yang-NA	CPA	LoDiNA	GNA	EGNA
8	39	41	41	45	27	41	39	45
9	49	49	51	55	29	51	49	55
12	83	85	85	93	53	85	83	93
14	111	113	113	123	69	113	111	123
17	161	161	163	175	93	163	161	175
19	199	199	201	215	117	201	199	215
DOF	is even
	is odd