Capacity of Cellular Systems MCQ’s

Electronics & Communication Engineering Wireless & Mobile Communications

This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on “Capacity of Cellular Systems”.

1. Which of the following measures spectrum efficiency of a wireless system?
a) Channel capacity
b) Radio capacity
c) Spectral capacity
d) Carrier capacity

2. If D is the distance between co-channel cells and R be the cell radius, co-channel reuse ratio is given by __________
a) D*R
b) D2/R
c) D/R
d) D/R2

3. ____________ is the maximum number of channels that can be provided in a fixed frequency band.
a) Channel capacity
b) Radio capacity
c) Spectral capacity
d) Carrier capacity

4. __________ is the interference at a base station receiver that comes from the subscriber units in the surrounding cells.
a) Forward channel interference
b) Carrier interference
c) Receiver interference
d) Reverse channel interference

5. __________ allows subscribers to monitor neighbouring base stations.
d) ACA

6. In practice, TDMA systems improve capacity by ____________ compared to analog cellular systems.
a) Three to six times
b) Equal capacity
c) Two time
d) Ten to twenty times

7. Time division multiple access introduces ACA, which stands for ________
a) Acute carrier allocation
b) Adaptive carrier allocation
c) Adaptive channel allocation
d) Acute channel allocation

8. Capacity of CDMA is bandwidth limited.
a) True
b) False

9. Which of the following standard had not adopted digital TDMA for high capacity?
b) GSM
c) PDC
d) IS-95

10. In a CDMA system, link performance for each user __________ as the number of users _______
a) Increase, decrease
b) Increase, increase
c) Decrease, increase
d) Decrease, decrease

11. Frequency reuse factor for CDMA system is ___________
a) One
b) Two
c) Zero
d) Ten

12. Capacity of CDMA can be increased by operating in DTX, which stands for _______
a) Discrete transmission mode
b) Discrete transmission modulation
c) Discontinuous transmission mode
d) Digital transmission mode

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