Block error rate (BLER) is a performance metric used to quantify the effectiveness of data transmission in communication systems, specifically measuring the proportion of incorrectly received blocks of data compared to the total number of transmitted blocks. This metric is crucial for assessing the reliability of coding techniques, including Low-Density Parity-Check (LDPC) codes, as it directly influences the overall error performance and helps to determine the efficiency of encoding and decoding processes.
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