8 Point Phase Shift Keying

Fig 1  System Level Block Diagram of 8PSK.

Fig 2  Sub-System Level Block Diagram of 8PSK

Fig 3 Signal Constellation of 8PSK.
Data is mapped to cos(wc*t + p/4*n) where p =  phase and n = 0:1:7 depending on the value of the
bit masked.

Fig 4 Simulink Block Diagram of 8PSK.

Fig 5  Masking Sub-System of 8PSK, see Fig 4.

Fig 6  Mapping Sub-Systems of 8PSK, see Fig 4.

Fig 7  Commutator Sub-System of 8PSK, see Fig 4.

Fig 8  MATLAB simulation, time domain.

Fig 9  MATLAB simulation, FFT.
Note:  The carrier frequency is at 1600Hz.  The information is between 400Hz and 1200Hz.

Due to the complexity of the Simulink blocks used, this system could not be loaded on the TI board, and
could only be verified within MATLAB.