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

Table 3

Collaborating nodes’ positions 3 dimension configuration with varying cluster radius.

S. no.	El. angle (deg.)	Az. angle (deg.)	Norm. rad. dist. (m)
			1	2	3	4
1	61	−27	0.4	0.8	1.2	1.6
2	14	14	0.7	1.5	2.2	3.0
3	10	−59	0.5	1.0	1.5	2.1
4	58	108	0.5	1.0	1.5	2.1
5	25	144	0.8	1.6	2.5	3.3
6	43	−39	0.8	1.5	2.3	3.1
7	56	180	0.3	0.6	0.9	1.3
8	−9	72	0.6	1.1	1.7	2.2
9	−12	49	0.8	1.6	2.5	3.3
10	54	−143	0.7	1.5	2.2	3.0
11	24	117	0.4	0.9	1.3	1.7
12	26	99	0.6	1.2	1.8	2.4
13	34	−117	0.5	0.9	1.4	1.9
14	13	−36	0.8	1.5	2.3	3.1
15	40	−34	0.8	1.6	2.4	3.3
16	−22	37	0.5	0.9	1.4	1.9
17	−22	−164	0.7	1.4	2.1	2.7
18	−53	−63	0.7	1.3	2.0	2.6
19	16	−135	0.6	1.3	1.9	2.6
20	−42	−153	0.8	1.6	2.3	3.1