Abbreviation	Definition
AM	Amplitude Modulated
AS	Amplitude Sensitivity
BAN	Body Antenna Network
BER	Bit Error Rate
BW	Bandwidth
B5G	Beyond Fifth Generation of Mobile Networks
CP	Circularly Polarized
CW	Continuous Wave
DMA	Dynamic Metasurface Antennas
EM	Electromagnetic
FEM	Finite Element Method
5G	Fifth Generation of Mobile Networks
FM	Frequency Modulated
GI	Gastroin-testinal
GMS	Gradient Metasurface
GST	$G{e}_{2}S{b}_{2}T{e}_5$ Material
HBC	Human Body Communication
IoMT-based WBAN	Internet of Medical Things-based Wireless Body Area Network
IR	Impulse radio
ISM	Industrial, Scientific, and Medical
LoS	Line of Sight
LP	Linear Polarization
LWA	Leaky-wave Antenna
mm-Wave	Millimeter Wave
MRI	Magnetic Resonance Imaging
NIR	Near Infrared
NLoS	Non-Line of Sight
NP	Nanoparticle
OBI	Optical Brain Imaging
OFDM	Orthogonal Frequency Division Multiplexing
OOK	On-off Keying
PCF	Photonic Crystal Fiber
PCR	Polarization conversion rate
PDMS	Polydimethylsiloxane
PLL	Phase-locked Loops
PPM	Pulse-position Modulation
QPSK	Quadrature Phase Shift Keying
RF	Radio Frequency
RI	Refractive Index
RMS	Root Mean Square
RS	Reed Solomon
SNR	Signal-to-Noise Ratio
SoC	Interface System-on-chip
SP	Surface Plasmon
SPR	Surface Plasmon Resonance
SSPs	Spoof Surface Plasmon Polaritons
TDM	Time Division Multiplexing
THz	Terahertz
ToA	Time of Arrival
UWB	Ultra Wideband
WBAN	Wireless Body Antenna Network
WCE	Wireless Capsule Endoscope
WGM	Whispering-gallery-mode
WLAN	Wireless Local Area Network
WMTS	Wireless Medical Telemetry Service
WS	Wavelength Sensitivity