[Solved] The method which has greater bandwidth efficiency is called as

Computer Science Engineering (CSE)
Communication Engineering
The method which has greater bandwidth e...

Q.	The method which has greater bandwidth efficiency is called as
A.	duobinary signalling
B.	polybinary signalling
C.	correlative coding
D.	all of the mentioned
Answer» B. polybinary signalling
Explanation: if more than three levels are introduced in duobinary signalling technique the bandwidth efficiency increases this method is called as polybinary signalling.

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