Silence is Golden: A Source Location Privacy Scheme for Wireless Sensor Networks Based on Silent Nodes

Table 1

Commonly used symbols.

Symbol	Description
	Specific nodes in the network
	The source node
	The sink node
	The distance in hops between node and
	Safety period
	Source period
	Selection probability
	Silent state duration
	The hop distance boundary to the source
	The hop distance boundary to the sink
	Time taken for protectionless flooding