An Efficient Anonymous Communication Scheme to Protect the Privacy of the Source Node Location in the Internet of Things

Table 1

Definition of notations in this paper.

Notation	Definition
Rs	The real source node
Ps	The proxy source node
	The secure encryption algorithm
	The secure decryption algorithm
	Initial energy, value 2
	Threshold distance, value 87
	Energy consumption, value 50
	The energy required by the power amplification in the free space channel model, value 10
	The energy required by the power amplification in the multipath fading channel model, value 0.0013
	The neighbor node list of node u
	The number of hops from the base station to the current node
	The number of hops from the real source node to the current node
	The minimum number of hops that the node i is away from the base station
	The minimum number of hops that the node i is away from the real source node
	Residual energy of node i