Design and Analysis of a Multiple and Wide Nulling Collaborative Beamforming Scheme in the Domain of 3-Dimensional Wireless Sensor Networks

Table 16

Null depth (in dB) corresponding to null steering at radii 1, 2, 3, and 4 (wavelength-normalized). SD denotes standard deviation.

	Radii: 1		Radii: 2		Radii: 3		Radii: 4
	Depth	SD	Depth	SD	Depth	SD	Depth	SD
Null 1	−32.07	1.04	−31.13	1.08	−25.02	1.12	−31.83	1.21
Null 2	−32.03	1.13	−31.47	1.13	−28.26	1.25	−31.44	1.29
Null 3	−30.48	1.26	−28.78	1.07	−34.37	1.18	−25.17	1.33
Average	−31.53		−30.46		−29.22		−29.48