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1. US20180124647 - DATA TRANSMISSION METHOD, WIRELESS NETWORK NODE, AND COMMUNICATIONS SYSTEM

Office United States of America
Application Number 15856438
Application Date 28.12.2017
Publication Number 20180124647
Publication Date 03.05.2018
Publication Kind A1
IPC
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
28
Network traffic or resource management
16
Central resource management; Negotiation of resources, e.g. negotiating bandwidth or QoS [Quality of Service]
18
Negotiating wireless communication parameters
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
72
Local resource management, e.g. selection or allocation of wireless resources or wireless traffic scheduling
04
Wireless resource allocation
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
28
Network traffic or resource management
02
Traffic management, e.g. flow control or congestion control
06
Optimising, e.g. header compression, information sizing
H04W 28/18
H04W 72/04
H04W 28/06
CPC
H04W 28/06
H04W 28/18
H04W 72/0406
H04W 80/02
Applicants HUAWEI TECHNOLOGIES CO., LTD.
Inventors Mingzeng Dai
Jian Zhang
Jing Liu
Qinghai Zeng
Priority Data 201510374525.6 30.06.2015 CN
Title
(EN) DATA TRANSMISSION METHOD, WIRELESS NETWORK NODE, AND COMMUNICATIONS SYSTEM
Abstract
(EN)

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.