A random stream of bits the size of the desired transport block undergoes Downlink Shared Channel (DL-SCH) coding to rate match the transport block to the available PDSCH bits. Scrambling, modulation, precoding and layer mapping are then applied to form the complex PDSCH symbols. AWGN is added to these symbols after which channel decoding and demodulation are performed to recover the transport block. Using the recovered transport block a BER curve is plotted for a given range of SNR values.

ber.txt

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