MDPI	Multidisciplinary Digital Publishing Institute
DOAJ	Directory of open access journals
TLA	Three-letter acronym
LD	Linear dichroism
AMPS	Advanced Mobile Phone System
TACS	Total Access Communication System
NMT	Nordic Mobile Telephone
SMS	Short message service
PDC	Personal Digital Cellular
WCDMA	Wideband Code Division Multiple Access
MMS	Multimedia message support
RL	Reinforcement learning
RIS	Reconfigurable intelligent surface