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← TechnologyWhich performance limit arises when applying iterative decoding to a low-density parity-check (LDPC) code?
A)Error floor increases abruptly.✓
B)Decoding latency becomes negligible.
C)Throughput reaches theoretical limits.
D)Power consumption decreases drastically.
💡 Explanation
The error floor increases because the iterative Min-Sum Propagation decoding stalls as it approaches solutions of a degenerate nature; spurious codewords become likely, therefore impacting reliability rather than performance gains at high SNR values.
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