单项选择题 Which logical channel must be dimensioned for each cell when considering the call set-up frequency? （）

单项选择题 Which type of interference is produced by other transmitters on the same frequency? （）

单项选择题 A cell has 3 TRUs with an SDCCH/8 configuration. What is themaximum number of telephone calls it can support simultaneously with ahalf-rate vocoder? （）