Mobile Communication Quiz | Mobile Communication Multiple Choice Questions with Answers

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Questions
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

Answer: Both a & b
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
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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

Answer: 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

Answer: 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

Answer: 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

Answer: Erlangs
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

Answer: All of the above

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