Which of the description of the drop rate indicator in the LTE drive test indicator is incorrect?
A . The drop rate refers to the probability of a business interruption in the business process, that is, the ratio of the number of abnormal interruptions to the total number of business operations.
B . Drop rate = number of dropped lines/successful completion of connection establishment
C . Drop refers to: Abnormal interruption of data transmission during normal data transmission of the terminal, including RRC connection abnormal interruption: or data rate is reduced to 0 for 5 seconds.
D . Dropping means that when the mobile phone does not send Disconnect signaling or does not receive the Disconnect/Release signaling, the mobile phone returns to the idle state, and it is regarded as a dropped call.
Answer: D