Cluster Head Selection in a Homogeneous Wireless Sensor Network Ensuring Full Connectivity with Minimum Isolated Nodes

Table 1

Comparison of cluster head selection techniques.

Authors (year)	Residual energy	Number of nodes	Unique node	Distance from BS
Azad and Sharma [6] (2013)	Yes	Yes	No	Yes
Lee et al. [7] (2006)	Yes	No	No	Yes
Chan and Perrig [8] (2004)	No	No	No	No
Heinzelman et al. [2] (2002)	Yes	No	No	Yes
Ferdous and Dey [9] (2010)	No	No	No	Yes
Mini et al. [10] (2012)	No	Yes	No	No
Lee et al. [11] (2014)	No	No	No	Yes