DATA LINK LAYER WIRED NETWORKS
DATA LINK CONTROL DLC
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The guarantee the detection of upto x errors in all cases, the minimum Hamming distance in a block code must be
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X
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X+1
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X-1
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X^2
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Explanation:
Detailed explanation-1: -The minimum Hamming distance is the smallest Hamming distance between all possible pairs in a set of words. Solution We first find all the Hamming distances. To guarantee the detection of up to s errors in all cases, the minimum Hamming distance in a block code must be dmin = s + 1.
Detailed explanation-2: -To guarantee the detection of up to 5 errors in all cases, the minimum Hamming distance in a block code must be . Solution: 32.
Detailed explanation-3: -The hamming distance is the minimum number of positions where any two legal code words differ by bit. Hamming distance between 001111 and 010011 is 3.
There is 1 question to complete.