IEEE/ICACT20220184 Slide.21        [Big Slide]       Oral Presentation
The SINR of the signal for a group of users with large power levels has noise component and interference components of signals with smaller power levels. When the signals are demodulated by the DSSS-SIC technique in order and the signals are assumed to be perfectly cancelled, the SINR of users with the lowest power levels have only noise component. The spectral efficiency is calculated from SINR of the sub-band based on Shannon Hartley's theorem.

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