单项选择题
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
Which of the following is not necessary to consider whe...
单项选择题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
Which cell pattern is recommended for use with frequenc...
单项选择题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
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
