Expander codes are a type of error-correcting code that utilize expander graphs to facilitate efficient and robust communication over noisy channels. The primary goal of expander codes is to encode information in such a way that it can be reliably transmitted even in the presence of errors. ### Key Features of Expander Codes: 1. **Expander Graphs**: At the core of expander codes are expander graphs, which are sparse graphs that have good expansion properties.
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