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In a standard matrix set code-word there are _______cosset.(a) 2k(b) 2n+k(c) 2n-k(d) 2nI got this question during an online interview.My enquiry is from Cyclic Codes and Linear Block Codes in section Channel Coding of Digital Communications

Answer»

The correct CHOICE is (c) 2n-k

The EXPLANATION is: Each n-tuple appears in only ONE location none are MISSING and none are replicated. There are 2n-k cosets.



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