单项选择题
The following events all require an SDCCH. Which event has normally the longest holding time? （）
A. Normal updating B. IQMSI attach/detach C. Registration D. Call set-up E. SMS point-to-point
单项选择题 What is the most common value of the hysteresis used when estimating margins for log-normal fading? （）
单项选择题 What is added to the MS sensitivity level to obtain the required signal strength, SSreq?（）
单项选择题 How many transmitters (TXs) can be configured to an omni antenna using a CDU-D?（）
