文档介绍:1. Which cell plan is designed first and is the basis for future planning? E
A. Final
B. Preliminary
C. Base Coverage
D. Initial
E. Nominal
2. What is the name of the type of fading which is due to shadowing? D
A. Atmospheric fading
B. Multi-path fading
C. Rayleigh fading
D. Log Normal fading
E. Path loss
3. Which unit is used for measuring traffic? A
A. Erlang
B. Bit/second
C. Hertz
D. Subscribers/kHz
E. Subscribers/minute
4. What type of interference is produced by other transmitters on the same
frequency? B
A. Double interference
B. Co-channel interference
C. Adjacent channel interference
D. Reflected interference
E. Timing interference
5. What does Grade of Service (GoS) mean? D
A. Number of available subscriber services
B. Number of essful call set-ups
C. Channel utilization
D. Number of essful call set-ups due to congestion
E. Number of dropped calls
6. Which cell pattern is mended for use with frequency hopping? B
A. 4/12
B. 3/9
C. 7/21
D. 7/7
E. None of these
7. Which of the following is not necessary to consider when surveying a
potential site? A
A. Frequency allocation
B. Space for antennas
C. Electrical power availability
D. Contract with owner
E. Availability of transmission to the BSC
8. What is used to prevent “the ping-pong effect”, that is, rapid, consecutive
handovers? C
A. Dynamic power control
B. Frequency hopping
C. Hysteresis
D. Cell load sharing
E. Discontinuous transmission
9. Which of the following will not increase system capacity? B
A. Increasing the number of available frequencies.
B. Changing the modulation scheme.
C. Implementing half rate vocoders
D. Going from a 4/12 to a 3/9 reuse pattern.
E. Splitting cells.
10. Which of the following is used for work dimensioning,
frequency planning, and making coverage and interference predictions? B
A. Channel Event Recording (CER)
B. TEMS cell planner
C. TEst Mobile System (TEMS)
D. work Administration
E. work Analyzer (CeNA)
11. Whi