PACR: Position-Aware Protocol for Connectivity Restoration in Mobile Sensor Networks

Table 2

Different variables used in the energy model.

Variable	Definition
	Energy consumption to transmit data
	Energy consumption to receive data
	Residual energy
	Energy consumed by a transmitter per bit
	The initial energy of nodes (maximum energy)
	Energy consumed by a receiver per bit
	The energy required by an amplifier in free space
	The energy required by an amplifier in multipath
	Threshold distance for sensor nodes