UGC NET CSE | July 2018 | Part 2 | Question: 49

Question

To guarantee correction of upto $t$ errors, the minimum Hamming distance $d_{min}$ in a block code must be ______

• A. $t+1$
• B. $t-2$
• C. $2t-1$
• D. $2t+1$

Answer 1

Option (4) 2t+1 is correct.

Comments

pls explain

Answer 2

now option d) is correct

To guarantee correction of up to t errors in all cases, the minimum Hamming distance in a block code must be dmin = 2t + 1.