Mobile Communication Beginner MCQs: Multiple Choice Q&A

Mobile Communication Beginner MCQs. This part has 15 Multiple Choice Questions on Mobile Communication for Beginner in MCQs form.

Mobile Communication Beginner MCQs

Probability of outage refers to ??

a. Noise developed at the receiver
b. The number of bit errors during transmission
c. Signal to noise ratio
d. All of the above

RAKE receiver is ??

1. Several sub receivers
2. Several correlators
3. Fingers
4. Equalization based

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

The digital modulation technique used in frequency selective channels is ??

a. FSK
c. BPSK
d. QPSK

In time diversity ??

a. Multiple versions of signals are transmitted at different time instants
b. The signal is transmitted using multiple channels
c. The signal is transmitted with different polarization
d. All of the above

MC MCQs

Working of Adaptive Equalizers includes ??

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

The diversity schemes are based on ??

1. Time diversity
2. Frequency diversity
3. Space diversity
4. Polarization diversity

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

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 four are correct

Diversity employs the decision-making at ??

a. Transmitter
c. Transmitter and receiver
d. Communication channel

Mobile Communication Beginner MCQs

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

Fractionally spaced equalizer acts as ??

a. Matched filter
b. Equalizer
c. Demodulator
d. Both a and b
e. All a, b, and c are correct

The linear equalizer is also known as ??

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

The algorithms acquired for adaptive equalization are ??

1. Zero forcing algorithm
2. Least mean squares algorithm
3. Recursive least squares algorithm

a. 1 and 2 are correct
b. 1, 2, and 3 are correct
c. 2 and 3 are correct
d. None of the above

Mobile Communication Beginner MCQs

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
d. None of the above

The computational complexity of an algorithm refers to the ??

a. Number of operations for one iteration of algorithm
b. Inaccuracies in the mathematical analysis
c. The noise produced during one complete iteration of algorithm
d. All of the above

The performance of algorithms for Adaptive Equalization is given by ??

1. Rate of convergence
2. Computational complexity
3. Numerical properties
4. Frequency change

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