Digital Communications Trellis Coded Modulation Online Exam Quiz
Digital Communications Trellis Coded Modulation GK Quiz. Question and Answers related to Digital Communications Trellis Coded Modulation. MCQ (Multiple Choice Questions with answers about Digital Communications Trellis Coded Modulation
Trellis coded modulation scheme
Options
A : Has memory
B : Is memory-less
C : Needs more bandwidth
D : None of the mentioned
The TCM decoder uses
Options
A : Minimum likelihood detector
B : Maximum likelihood detector
C : Does not use redundant bits
D : None of the mentioned
Trellis coded modulation uses
Options
A : Non binary method
B : Uses redundant bits
C : No expansion of bandwidth
D : All of the mentioned
Choosing a closely packed signal subset from any regular lattice or array of candidate points is called as
Options
A : Optimum signal constellation boundaries
B : Higher density lattice structures
C : Trellis coded modulation
D : None of the mentioned
Adding improvement to the signal subset choice by starting with the densest possible lattice for the space is called as
Options
A : Optimum signal constellation boundaries
B : Higher density lattice structures
C : Trellis coded modulation
D : None of the mentioned
In finite state machines, output is predicted using
Options
A : Past output
B : Present input
C : Past output & Present input
D : None of the mentioned
Transmission bandwidth depends on
Options
A : Rate of signalling
B : Density of signal points
C : Reduced distance
D : None of the mentioned
Which determines the error performance in TCM?
Options
A : Reduced distance
B : Free distance
C : Bandwidth
D : None of the mentioned
In TCM the signals are decoded using
Options
A : Soft decision decoders
B : Hard decision decoders
C : Soft & Hard decision decoders
D : None of the mentioned
In TCM channel capacity can be increased.
Options
A : True
B : False
C :
D :
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