Research Article

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

Table 21

Average power in the desired and all undesired directions corresponding to null steering at cluster radii 1, 2, 3, and 4 (wavelength normalized). SD denotes standard deviation.

Rad.Desired dir.Undesired dir.

1Value0.9841717080.095203404
SD0.0003608350.000113346

2Value0.9613317610.066133465
SD0.0013958346.14076E − 05

3Value0.9786702520.069050449
SD0.0006664230.00027976

4Value0.9764899290.089864776
SD0.0005420810.000200544