LP-WAN	Low-Power Wide Area Networking
M2M	Machine-to-Machine
IIoT	Industrial Internet of Things
B2B	Business-to-Business
WSN	Wireless Sensor Networks
GSM	Global System for Mobile communications)
GPRS	General Packet Radio Service
MAC	Medium Access Control
ISM	Industrial, Scientific, and Medical
CSS	Chirp Spread Spectrum
SP	Spreading Factor
FCC	Federal Communications Commission
DBPSK	Differential Binary Phase Shift Keying
GMSK	Gaussian Minimum Shift Keying
OQPSK	Offset Quadrature Phase shift Keying
RPMA	Random Phase Multiple Access
LECIM	Low Energy Critical Infrastructure Monitoring
3GPP	3rd Generation Partnership Project
LTE-MTC	Long Term Evolution-Machine-Type Communications