单项选择题
Which of the following will not increase system capacity? （）
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
单项选择题 Which of the following is not necessary to consider when surveying a potential site?（）
单项选择题 Which cell pattern is recommended for use with frequency hopping?（）
单项选择题 What does Grade of Service (GoS) mean? （）
