Modulation & Equalization Techniques for Mobile Radio - 3 - MCQs with answers

Modulation & Equalization Techniques for Mobile Radio - 3 - MCQs with answers

Equalization- Linear & Non Linear

Q1. Working of Adaptive Equalizers includes

a. Training
b. Tracking
c. Modulation
d. Both a) and b)
e. All a), b) and c) are correct

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Q2. The time span for which the equalizer converges depends upon

1. Equalizer algorithm
2. Equalizer structure
3. Rate of change of multipath radio channel
4. Amplitude of signal

a. 1) and 2) are correct
b. 1), 2) and 3) are correct
c. 2) and 3) are correct
d. All the four are correct

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Q3. The Linear Equalizer may be implemented as

a. FIR filter
b. Lattice filter
c. Low pass filter
d. Both a) and b)
e. Both a) and c)

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Q4. Linear equalizer is also known as

a. Transversal filter
b. Lattice filter
c. Low pass filter
d. None of the above

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Q5. The methods used for non linear equalization are

a. Decision Feedback Equalization
b. Maximum Likelihood Symbol Detection
c. Maximum Likelihood Sequence Estimation

a. 1) and 2) are correct
b. 1), 2) and 3) are correct
c. 2) and 3) are correct

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