Collaborative beamforming null-steering array for wireless sensor networks

This paper presents a method of collaborative beamforming (CB) of organizing sensor node location in linear array for wireless sensor network (WSN). Appropriate Appropriate selection of active CB nodes and cluster are needed each time to perform CB in WSNs. The nodes are modeled in linear array organization in order to perform as a perform as a linear antenna array (LAA). This newly proposed proposed CB null-steering linear array (CBNL) that is able to able to solve the null-steering problem is then presented. presented. Performances in the form of normalized power power gains are given. Analyses obtained are compared with with previous work. The findings showed an enhanced CBNL CBNL that posses null-steering capability.