Answer Happy

help me to explain the diagram below by following theflow of the diagram below
m GENERATE SIGNAL GENERATE SIGNAL POLAR DECODER POLAR DECODER POLAR ENCODER POLAR ENCODER DE- INTERLEAVER INTERLEAVER DE- INTERLEAVER INTERLEAVER BITS INTERLEAVER BITS INTERLEAVER SCMA DECODE R JIDD SCMA ENCODER ... SCMA ENCODER DIVIDE ADD PILOT ADD PILOT REMOVE PILOT CHANNEL ESTIMATION IFFT IFFT ADD CP FFT ADD CP OFDM MODULATOR REMOVE OFDM DEMODULATOR CHANNEL H CHANNEL Y NOISE PHY LAYER