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

Table 2

Collaborating nodes’ positions 3 dimension configuration with varying node count: 15 and 20 nodes.

S. No.	20 nodes			15 nodes
	Norm. rad. dist. (m)	El. angle (deg.)	Az. angle (deg.)	Norm. rad. dist. (m)	El. angle (deg.)	Az. angle (deg.)
1	0.4	61	−27	0.4	61	−27
2	0.7	14	14	0.7	14	14
3	0.5	10	−59	0.5	10	−59
4	0.5	58	108	0.5	58	108
5	0.8	25	144	0.8	25	144
6	0.8	43	−39	0.8	43	−39
7	0.3	56	180	0.3	56	180
8	0.6	−9	72	0.6	−9	72
9	0.8	−12	49	0.8	−12	49
10	0.7	54	−143	0.7	54	−143
11	0.4	24	117	0.6	26	99
12	0.6	26	99	0.5	34	−117
13	0.5	34	−117	0.7	−53	−63
14	0.8	13	−36	0.6	16	−135
15	0.8	40	−34	0.8	−42	−153
16	0.5	−22	37
17	0.7	−22	−164
18	0.7	−53	−63
19	0.6	16	−135
20	0.8	−42	−153