Joint Angle-Amplitude Estimation for Multiple Signals with L-Structured Arrays Using Bioinspired Computing

Table 14

Comparison among 2-L-shape array, parallel shape array [16], and L-shape arrays [17].

Property	Parallel shape array	1-L-shape array	2-L-shape array	2-L-shape array
Scheme used	PM	PM	PM	DE-PS
Range of elevation and azimuth angles	(0°, 90°) and (0°, 360°)	(0°, 90°) and (0°, 360°)	(0°, 180°) and (0°, 360°)	(0°, 180°) and (0°, 360°)
Number of sensors	15	11	10	4
Number of snapshots	200	200	200	1
Pair matching	Required	Not required	Not required	Not required
Failure estimation	From 70° to 90°	From 0° to 20°	No failure	No failure
Amplitude estimation	Cannot estimate	Cannot estimate	Cannot estimate	Yes, can estimate