单项选择题
A. 4/12 B. 3/9 C. 7/21 D. 7/7 E. None of these
What does Grade of Service (GoS) mean? （）A. Number of a...
单项选择题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
What type of interference is produced by other transmit...
单项选择题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
Which unit is used for measuring traffic? （）A. ErlangB....
单项选择题Which unit is used for measuring traffic? （）
A. Erlang B. Bit/second C. Hertz D. Subscribers/kHz E. Subscribers/minute
