Downlink Data Transmission Method, Base Station, and Serving Gateway on LTE Network

摘要

The present invention provides a downlink data transmission method, base station, and serving gateway on an LTE network. The method includes: learning, by an eNB, that a UE needs to be paged, when an S1 bearer is retained and a radio bearer is released; paging, by the eNB, the UE and re-establishing a radio bearer between the eNB and the UE; and sending, by the eNB, downlink data, which is received from an S-GW, to the UE through the re-established radio bearer. Embodiments of the present invention can ensure correct transmission of downlink data, and avoid data loss.

主权项

1. A downlink data transmission method on a long term evolution (LTE) network, the method comprising:
determining, by a base station, that an S1 bearer between the base station and a serving gateway (S-GW) for a user equipment (UE) is retained and a radio bearer is released; based on the determining, paging, by the base station, the UE and re-establishing a radio bearer between the base station and the UE; and sending, by the base station, downlink data received from the serving gateway (S-GW), to the UE through the re-established radio bearer.