Fish & Richardson P.C.
Data transmission method, wireless network node, and communications system
A data transmission method, including: learning, by a first wireless network node, a bearer type of a downlink packet; and when the bearer type is a signaling radio bearer SRB, sending, by the first wireless network node, the downlink packet to a second wireless network node, so that the second wireless network node performs a function of a Packet Data Convergence Protocol (PDCP) layer on the downlink packet; or when the bearer type is a data radio bearer DRB, performing, by the first wireless network node, a function of a PDCP layer on the downlink packet, and sending the processed downlink packet to the second wireless network node.
HUAWEI TECHNOLOGIES CO., LTD.
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Qinghai Mingzeng Jian Jing
Zeng Dai Zhang Liu