In TCM the signals are decoded using(a) Soft decision decoders(b) Hard decision decoders(c) Soft & Hard decision decoders(d) None of the mentionedI have been asked this question by my college professor while I was bunking the class.This is a very interesting question from Trellis Coded Modulation topic in section Modulation and Coding Trade-off of Digital Communications

In TCM the signals are decoded using(a) Soft decision decoders(b) Hard

1.	In TCM the signals are decoded using(a) Soft decision decoders(b) Hard decision decoders(c) Soft & Hard decision decoders(d) None of the mentionedI have been asked this question by my college professor while I was bunking the class.This is a very interesting question from Trellis Coded Modulation topic in section Modulation and Coding Trade-off of Digital Communications
Answer» The correct OPTION is (a) Soft decision DECODERS For EXPLANATION I would SAY: In trellis coded modulation the noisy received signals are decoded using soft decision decoders.

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