Q.

In soft decision approach 0 represents

A. certainly one
B. certainly zero
C. very likely zero
D. could be either zero or one
Answer» D. could be either zero or one
Explanation: the decoder front end produces an integer for each bit in the data stream. this integer is the measure of how likely it is that the bit 0 or 1 and is called as soft bit. it ranges from -127 to 127. here 0 represents ‘could be either zero or one’.
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