Next Generation Wireless Network - Spectrum Awareness - 2 Online Exam Quiz
Next Generation Wireless Network - Spectrum Awareness - 2 GK Quiz. Question and Answers related to Next Generation Wireless Network - Spectrum Awareness - 2. MCQ (Multiple Choice Questions with answers about Next Generation Wireless Network - Spectrum Awareness - 2
In the least-square method, the gradient is computed using ___
Options
A : trial and error method
B : optimization method
C : weighted average
D : predictor-corrector method
The weight used in the least-square method is a function of __
Options
A : twice the distance between the vertex and the centroid of the cells
B : square of the distance between the vertex and the centroid of the cells
C : inverse of the distance between the vertex and the centroid of the cells
D : the distance between the vertex and the centroid of the cells
Under good propagation conditions, increasing the transmission energy is a poor technique to increase spectrum efficiency.
Options
A : TRUE
B : FALSE
C : -
D : -
What is the advantage of the least-square method over the other methods?
Options
A : Computational ease
B : Accuracy
C : Flexibility
D : Stability
What is the disadvantage of using the least-square method?
Options
A : Inconsistent
B : Less convergence rate
C : Instability
D : Computational cost
Which among the following is accomplished by sampling sub-Nyquist in wideband FFT spectrum sensing?
Options
A : Reduction of complexity
B : Improved signal detection
C : Reduced power consumption
D : Shorter time delay
Which among the following is the impact of having poor spur free dynamic range?
Options
A : Difficulty in short signal detection
B : Overloading
C : Additive noise
D : High complexity
Which among the following is the impact of primary user interference in the physical layer?
Options
A : High bit error rate
B : High delay
C : High collision
D : High energy demand
Which among the following layers have a similar impact due to interference caused by primary user transmission?
Options
A : Physical layer and MAC layer
B : MAC layer and network layer
C : Network layer and Transport layer
D : Transport layer and Physical layer
Which among the following may be implemented to reduce the amount of assumption about interference?
Options
A : Installing multiple sensors to observe the same transmission
B : Developing multiple channel models
C : Developing multiple signal propagation models
D : Installing multiple resource managers
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