Relationship between SNR and EbNo when there is coding

Started by chess 7 years ago1 replylatest reply 7 years ago896 views

I would like to know what would be the relationship between EbNo and SNR when there is a coding rate of Rc=K/N. Normally when there is no channel coding according to http://www.rowetel.com/blog/?p=4621

SNR(db) = Eb/No(dB) + 10log10(Rb/B)

However what would happen if I have a linear block code or other coding schemes with code rate Rc =1/2 or other values. How to calculate the relationship between SNR and EbNo in this case.

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Reply by SlartibartfastAugust 19, 2016

If Eb is the energy per information bit, and Rb is the information bit rate, then that already takes into account any coding overhead or other overhead (e.g., framing).

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