單項選擇題Which of the following is not necessary to consider when surveying a potential site?（）

A. Space for antennas
B. Frequency allocation
C. Electrical power availability
D. Contract with owner
E. Availability of transmission to the BSC


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1.單項選擇題Which cell pattern is recommended for use with frequency hopping?（）

A. 4/12
B. 3/9
C. 7/21
D. 7/7
E. None of these

2.單項選擇題What does Grade of Service (GoS) mean? （）

A. Number of available subscriber services
B. Number of unsuccessful call set-ups due to congestion
C. Channel utilization
D. Number of successful call set-ups
E. Number of dropped calls

3.單項選擇題What type of interference is produced by other transmitters on the same frequency? （）

A. Double interference
B. Co-channel interference
C. Adjacent channel interference
D. Reflected interference
E. Timing interference

4.單項選擇題Which unit is used for measuring traffic? （）

A. Erlang
B. Bit/second
C. Hertz
D. Subscribers/kHz
E. Subscribers/minute

5.單項選擇題What is the name of the type of fading which is due to shadowing? （）

A. Atmospheric fading
B. Multi-path fading
C. Rayleigh fading
D. Log Normal fading
E. Path loss