In soft decision approach what does -127 mean?(a) Certainly one(b) Certainly zero(c) Very likely zero(d) Very likely oneThis question was addressed to me by my college professor while I was bunking the class.This key question is from Shannon Hartley Theorem and Turbo Codes topic in portion Channel Coding of Digital Communications

In soft decision approach what does -127 mean?(a) Certainly one(b) Cer

1.	In soft decision approach what does -127 mean?(a) Certainly one(b) Certainly zero(c) Very likely zero(d) Very likely oneThis question was addressed to me by my college professor while I was bunking the class.This key question is from Shannon Hartley Theorem and Turbo Codes topic in portion Channel Coding of Digital Communications
Answer» The correct choice is (b) Certainly zero To explain: 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 -127 REPRESENTS certainly zero.

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