Title:
METHOD AND DEVICE FOR DATA TRANSMISSION FOR USE IN HANDOVER
Document Type and Number:
WIPO Patent Application WO/2022/001641
Kind Code:
A1
Abstract:
Provided in the embodiments of the present application are a method and device for data transmission for use in a handover. A terminal device receives first indication information from a source network device, the first indication information indicating whether to retain a packet data convergence protocol (PDCP) duplication function of a first radio bearer (RB) at the terminal device in the source network device when the terminal device is being handed over from the source network device to a target network device, and the terminal device transmits data of the first RB with the source network device on the basis of the first indication information. By implementing the method, the reliability of data transmission during a handover process is increased. At the same time, the terminal device is allowed to flexibly determine, on the basis of an indication of the source network device, data transmission schemes of services having different reliability requirements when being handed over, thus increasing the flexibility of data transmission.
Inventors:
LOU CHONG (CN)
HUANG QUFANG (CN)
FAN QIANG (CN)
ZHANG HONGPING (CN)
HUANG QUFANG (CN)
FAN QIANG (CN)
ZHANG HONGPING (CN)
Application Number:
PCT/CN2021/099906
Publication Date:
January 06, 2022
Filing Date:
June 12, 2021
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04L1/08; H04W28/02
Domestic Patent References:
| WO2018171734A1 | 2018-09-27 | |||
| WO2020029414A1 | 2020-02-13 |
Foreign References:
| US20190082363A1 | 2019-03-14 | |||
| CN109952725A | 2019-06-28 |
Other References:
HUAWEI, HISILICON: "PDCP duplication for improving robustness in handover", 3GPP DRAFT; R2-1818084 PDCP DUPLICATION FOR IMPROVING ROBUSTNESS IN HANDOVER, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Spokane, USA; 20181112 - 20181116, 12 November 2018 (2018-11-12), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051557591
Download PDF:
Previous Patent: DATA TRANSMISSION METHOD AND APPARATUS
Next Patent: VEHICLE AND POWER BATTERY INSTALLATION STRUCTURE THEREOF
Next Patent: VEHICLE AND POWER BATTERY INSTALLATION STRUCTURE THEREOF