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Table 1 Nomenclature

From: Toward green computing in wireless sensor networks: prediction-oriented distributed clustering for non-uniform node distribution

Symbol

Description

n

Number of sensors

M

Length of the region of interest

ETx(l, d)

Transmission energy consumption for l bits and d distance

φ

Constant energy by electronic

α and β

Amount of energy per bit dissipated in the transmitter amplifier

d(i, j)

distance between sensor i and sensor j

ERx(l)

Receiving energy consumption for l bits

si

ith sensor

Eia

Average residual energy of ith sensor

Eiac

Average energy consumption of ith sensor

ti

Waiting time

T2

Time duration for cluster head competition activity

T1

Time duration for information gathering

T3

Time duration for redundancy and activation

T4

Time duration for cluster formation