Valid codewords - PowerPoint PPT Presentation

Error Correction

Error Correction. Consider a scenario where retranmissions are not practical and error rate is high Example: Space-based communication We would like to add redundancy such that data is useful despite errors Not only to detect but also to recover from

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Error Correction (6.4)

Error Correction (6.4). CSE 3213 Fall 2011. Error Correction. Given a data block/frame of k bits, we map each k-bit sequence into a unique n-bit codeword, and k &lt; n. Hamming distance d(v 1 , v 2 ): the number of bits in which v 1 and v 2 disagree.

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219 views • 6 slides

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