MMW-NOMA: An Uplink NOMA Communication System Based on the Node Pairing Algorithm of Maximum and Minimum Weight in Underwater Acoustic Networks

Table 1

Experimental parameters.

Parameter	Value
Channel type	Rayleigh fading
Noise type	Complex Gaussian
Statistical methods	Monte Carlo
Carrier frequency	15 kHz
Sampling rate	24 kbps
Symbol rate	244
Queue size	1024
Number of frames	128
Impulse response of UAC	45 dB
Channel bandwidth	6 kHz
Distance of NEN	1-300 m
Distance of FEN	300-800 m
Doppler spread factor	0.3-1.4
Maximum multipath delay	40 ms
Absorption coefficient	4
Residual energy threshold	0.35
Delay threshold	0.01
BER threshold	0.005