Wireless and Mobile Communications Mock Test 6

10%

Question 1 of 10

1. Which of the following is not a non-linear equalization technique?

Decision feedback equalization

Minimum square error detection

Maximum likelihood symbol detection

Maximum likelihood sequence detection

Question 1 of 10

Question 2 of 10

2. Which of the following is not a category of space diversity technique?

Feedback diversity

Equal gain diversity

Selection diversity

Time diversity

Question 2 of 10

Question 3 of 10

3. Which of the following algorithm uses simple programming?

LMS Gradient DFE

Gradient Lattice DFE

FTF algorithm

Fast Kalman DFE

Question 3 of 10

Question 4 of 10

4. Which of the following is specified by a specific number of bit errors occurring in a given transmission?

Equally likely event

Exhaustive events

Outage event

Bit error rate

Question 4 of 10

Question 5 of 10

5. In block codes, parity bits are ___________ to block of messages.

Subtracted

Divided

Multiplied

Added

Question 5 of 10

Question 6 of 10

6. Non-linear equalizers are used in applications where channel distortion is not severe.

False

True

Question 6 of 10

Question 7 of 10

7. For (n,k) block codes, rate of the code is defined as __________

k²/n

n²/k

n/k

k/n

Question 7 of 10

Question 8 of 10

8. Which of the following factor could not determine the performance of algorithm?

Computational complexity

Numerical properties

Structural properties

Rate of convergence

Question 8 of 10

Question 9 of 10

9. CDPD stands for ___________

Cellular Demodulated Packet Data

Cellular Decoded Plane Data

Cellular Decoded Packet Data

Cellular Digital Packet Data

Question 9 of 10

Question 10 of 10

10. Waveform coders has _______ complexity and achieves _______ economy in transmission bit rate.

Minimal, high

Minimal, moderate

Maximum, moderate

Maximum, high

Question 10 of 10