The method in which small amount of controlled ISI is introduced into the data stream rather than trying to eliminate it completely is called as
(a) Correlative coding
(b) Duobinary signalling
(c) Partial response signalling
(d) All of the mentioned
I have been asked this question in class test.
I need to ask this question from Correlative Coding topic in chapter Formatting and Baseband Modulation of Digital Communications