Title:
DATA PACKET TRANSMISSION METHOD, TERMINAL DEVICE, AND NETWORK DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/027288
Kind Code:
A1
Abstract:
Disclosed in the present application are a data packet transmission method, a terminal device, and a network device, relating to the technical field of wireless communication, and capable of solving the problem that when a terminal device is handed over from a source base station to a target base station, due to the large delay when the source base station transmits to the target base station information for synchronising the data packet transmission state, data transmission cannot be continued even if the terminal device has been handed over from the source base station to the target base station because the target base station still has not synchronised the data packet transmission state between the source base station and the terminal device. By means of the information for synchronising the data packet transmission state being transmitted by a user plane bearer with a smaller delay, the present solution implements synchronisation of the data packet transmission state of the first base station and the second base station, and reduces the transmission delay of the information for synchronising the data packet transmission state, ensuring the continuous transmission of data packets between the second base station and the terminal device after the terminal device is handed over from the first base station to the second base station.
Inventors:
GU BAIFENG (CN)
ZONG ZAIFENG (CN)
ZHAO QIANQIAN (CN)
JIANG YINQING (CN)
WEI HONGKANG (CN)
WANG JIAN (CN)
XU HAIBO (CN)
ZONG ZAIFENG (CN)
ZHAO QIANQIAN (CN)
JIANG YINQING (CN)
WEI HONGKANG (CN)
WANG JIAN (CN)
XU HAIBO (CN)
Application Number:
PCT/CN2020/081171
Publication Date:
February 18, 2021
Filing Date:
March 25, 2020
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04W28/02; H04W36/00
Domestic Patent References:
| WO2018231006A1 | 2018-12-20 |
Foreign References:
| CN102186217A | 2011-09-14 | |||
| CN109982360A | 2019-07-05 | |||
| CN104509161A | 2015-04-08 | |||
| CN108924876A | 2018-11-30 | |||
| US20190053113A1 | 2019-02-14 | |||
| US20170367017A9 | 2017-12-21 |
Attorney, Agent or Firm:
BEIJING ZBSD PATENT & TRADEMARK AGENT LTD. (CN)
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