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Free download in PDF Mobile Communication Multiple Choice Questions with Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
61
While handoffs, the termination of call may be avoided by
[A]
Providing Guard channel
[B]
Queuing of handoffs
[C]
Both a & b
[D]
None of the above
62
Dwell time is the time for
[A]
A call within the cell
[B]
Hand off
[C]
Waiting for channel allocation
[D]
None of the above
Answer: A call within the cell
63
Dwell time depends upon
[A]
Interference
[B]
Distance between the subscriber and the base station
[C]
Propagation of call
[D]
All of the above
64
In Mobile Assisted Handoff (MAHO), the handoff takes place when
[A]
The power received by the mobile station from other base station is more than the serving base station
[B]
The channel allocated is not available
[C]
The mobile station has no signal
[D]
All of the above
Answer: The power received by the mobile station from other base station is more than the serving base station
65
Trunking in a cellular network refers to
[A]
Termination of a call
[B]
Spectrum unavailability
[C]
Accommodating large number of users in limited spectrum
[D]
All of the above
Answer: Accommodating large number of users in limited spectrum
66
Umbrella cell approach
[A]
Uses large and small cells
[B]
Uses different antenna heights
[C]
Is used for high speed users with large coverage area and low speed users with small coverage area
[D]
All of the above
67
Interference in frequency bands may lead to
[A]
Blocked calls
[B]
Cross talk
[C]
Missed calls
[D]
All of the above
68
Grade of service refers to
[A]
Accommodating large number of users in limited spectrum
[B]
Ability of a user to access trunked system during busy hour
[C]
Two calls in progress in nearby mobile stations
[D]
High speed users with large coverage area
Answer: Ability of a user to access trunked system during busy hour
69
Traffic intensity is expressed in
[A]
Erlangs
[B]
λ/ sec
[C]
Erlangs /MHz /km2
[D]
dB/sec
70
The techniques used to improve the capacity of cellular systems are
[A]
Coverage zone approach
[B]
Splitting
[C]
Sectoring
[D]
All of the above
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