Research Article

Optimization of Power Allocation for Multiusers in Multi-Spot-Beam Satellite Communication Systems

Table 6

Threshold signal-to-noise ratio per bit and spectral efficiency of the three coding and modulation modes.

Coding and
modulation mode
Threshold signal-to-noise
ratio per bit
Spectral
efficiency

Mode 12.631.5
Mode 23.631.75
Mode 34.472.15