Chapter 12: Cellular Communications Computation

Chapter 12: Cellular Communications Computation

University

11 Qs

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Chapter 12: Cellular Communications Computation

Chapter 12: Cellular Communications Computation

Assessment

Quiz

Other

University

Practice Problem

Hard

Created by

Christian Mina

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11 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

In cellular system, what antenna separation is required if the antenna height at the base station is 13 m?

A. 1.18 m

B. 1.28 m

C. 1.38 m

D. 1.48

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A province in the Philippines has an area of 2000 km^2. It has to be covered by cellular mobile telephone service using cells with a radius of 2 km. Assuming hexagonal cells, find the number of cell sites needed.

A. 142

B. 143

C. 144

D. 145

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Determine the number of cells in clusters for the following values: j=8 and i=2.

A. 28

B. 84

C. 16

D. 4

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A certain cellular telephone company has 2000 cells with 1000000 subscribers. If each subscriber uses the phone on the average 45 minutes per day then determine the average traffic in Erlangs per cell.

A. 13.63

B. 15.63

C. 14.63

D. 16.63

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

In a cellular system design, what is the frequency reuse factor if the co-channel interference reduction factor is 4.6?

A. 5

B. 6

C. 7

D. 8

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

How often will hand-offs occur when vehicle travels through a CMTS at 100 km per hour speed if the distance between cell sites is 10 km?

A. 620 s

B. 720 s

C. 820 s

D. 920 s

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

In cellular system cell-splitting, what is the number of cells required for 100000 m^2 given area assuming hexagonal cells? The radius of a circle inscribed in the hexagon is 100 m.

A. 1

B. 2

C. 3

D. 4

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