Content-Based Efficient Messages Transmission in WSNs

Table 1

Notations for analysis.

Symbols	Description
Lb	layer number of nodes at the bottom of topology tree
S	number of bytes of one “content range”
Ni	nodes number in ith layer
AVSi/Si	(average) storage for content range of one node in ith layer
	The number of subtrees in jth layer satisfying CR (average value)
Lmin(CR)/ Lmax(CR)	The layer number (average value) of the node which is the nearest /the farthest away from sink in every branch