API	application protocol interface
ASIC	application-specific integrated circuit
BER	bit error rate
BJT	bipolar junction transistor
COTS	commercialized off-the-shelf
CW	continuous wave
ETX	expected transmission count
FSK	frequency shift key
GPS	global positioning system
GUI	graphical user interface
INI	initialisation
LF	low frequency
LFPM	low-frequency pattern matcher
LQI	link quality indicator
LQL	link quality level
MAC	media access
MCU	microcontroller unit
ML	machine learning
NED	network description
NS2	network simulator 2
OLS	ordinary least square
OOK	on-off keying
OPNET	optimized network engineering tools
OS	operating system
OMNeT++	objective modular network testbed in C++
PER	packet error rate
PRR	packet reception ratio
RF	radio frequency
RNP	required number of packets
RSSI	received signal strength indicator
SAR	segmentation and reassembly
SER	sequence error rate
SNR	signal to noise ratio
SVM	support vector machine
TIA	transimpedance amplifier
TOSSIM	tiny OS simulator
UML	unified modeling language
WSN	wireless sensor network
WSNs	wireless sensor networks
WUC	wake-up call
Wupt	wake-up packet
WuRx	wake-up receiver
WuTx	wake-up transmitter