Input bits in NR PDSCH Throughput example

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AngeloRob
AngeloRob 2020-6-16
编辑： Anh Le 2021-8-25
Hi,
I’m working with NR PDSCH Throughput example and I have a problem. I want to compute the Bit Error Rate and the simplest way to do that is by means of input bits and decode bits. Can anyone help me?

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Sriram Tadavarty
Sriram Tadavarty 2020-6-21
Hi AngeloRob,
Inorder to get the bit error rate, the simplest is to store an array of bit errors, similar to simThroughput value for each SNR. The transmitted bits are present in trBlk (for single codeword), or use the getTransportBlock method of nrDLSCH, and the decoded bits are present in decbits variables. Store number of bits that are different in each SNR and then after each SNR point take the ratio of number of bit errors to that of the total number of bits transmitted.
See the attached script which has the required modifications as stated above. The variable bitErrSNR stores the bit error of each SNR point.
Please find the attachment.
Hope this helps.
Regards,
Sriram
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Anh Le
Anh Le 2021-8-25
编辑：Anh Le 2021-8-25
I have one more concern: how can we calculate the post-processing (post-equalizer) SINR matrix after a full HARQ process for a new data? Is there any function in MATLAB support that?Then, my next question is: is there a function to calculate the effective SINR given the post-processing SINR data? Thank you very much.

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