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Quiz I: Wireless Communication

This document contains a 10 question quiz about key concepts in wireless communication and cellular networks. The questions cover topics like how interference is avoided between base stations, the typical hexagonal shape of cellular regions, the process of handoff when a mobile station transfers between base stations, benefits of frequency reuse, strategies for channel assignment, definitions of terms like dwell time and breathing cells, the guard channel concept for reserving channels for handoffs, how trunking accommodates more users in limited spectrum, and how traffic intensity is measured.

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163 views1 page

Quiz I: Wireless Communication

This document contains a 10 question quiz about key concepts in wireless communication and cellular networks. The questions cover topics like how interference is avoided between base stations, the typical hexagonal shape of cellular regions, the process of handoff when a mobile station transfers between base stations, benefits of frequency reuse, strategies for channel assignment, definitions of terms like dwell time and breathing cells, the guard channel concept for reserving channels for handoffs, how trunking accommodates more users in limited spectrum, and how traffic intensity is measured.

Uploaded by

christopher
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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WIRELESS COMMUNICATION

Quiz I
1) The interference between the neighbouring base stations is avoided by
a. Assigning different group of channels
b. using transmitters with different power level
c. Using different antennas
d. All of the above
2) The shape of the cellular region for maximum radio coverage is
a. Circular
b. Square
c. Oval
d. Hexagon
3) The process of transferring a mobile station from one base station to another is
a. MSC
b. Roamer
c. Hand off
d. Forward channel
4) The advantage of using frequency reuse is
a. Increased capacity
b. Limited spectrum is required
c. Same spectrum may be allocated to other network
d. All of the above
5) The strategies acquired for channel assignment are
a. Fixed
b. Dynamic
c. Regular
d. Both a and b
e. Both b and c
6) The time over which a call can be maintained within in cell without handoff is __________
a. Run time b. Peak time c. Dwell time d. Cell time
7) What is breathing cell?
a. Fixed cell region
b. Dynamic and time varying coverage region
c. Large coverage region
d. Very small coverage region
8) When a fraction of assigned channel is reserved for handoffs, it is
a. Guard channel concept
b. fixed channel assignment
c. Dynamic channel assignment
d. None of the above
9) 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
10) Traffic intensity is expressed in
a. Erlangs /MHz /km2 b. Erlangs c. λ/ sec d. dB/sec

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