= Coding gain
{wiki=Coding_gain}
Coding gain refers to the improvement in the performance of a communication system due to the use of channel coding techniques. It quantifies how much more efficiently a system can transmit data over a noisy channel compared to an uncoded transmission. In technical terms, coding gain is often expressed as a reduction in the required signal-to-noise ratio (SNR) for a given probability of error when comparing a coded system to an uncoded system.
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