Patent ID: 9609671
Date: 2017-03-28
CPC Classifications: H04L,H04W

Claim:
1. A data transmission method, comprising: receiving a group identifier, a configuration information window length, and an offset between a start point of the configuration information window length and a paging occasion that are sent by a mobility management entity; establishing a public data radio bearer to a terminal corresponding to the group identifier; scrambling configuration information of the public data radio bearer using a radio network temporary identifier; sending a paging message carrying the group identifier and the radio network temporary identifier to the terminal; sending the scrambled configuration information of the public data radio bearer to the terminal in the configuration information window length, so that after receiving the paging message, the terminal can calculate, according to the configuration information window length and the offset that are pre-obtained by the terminal, a position range where the scrambled configuration information of the public data radio bearer appears, obtain the scrambled configuration information of the public data radio bearer from the position range, and transmit uplink data on the public data radio bearer; and receiving the uplink data transmitted by the terminal on the public data radio bearer.