US 12,004,012 B2
Method and device used for duplicate data transmission
Cong Shi, Guangdong (CN)
Assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed by GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed on Jul. 16, 2021, as Appl. No. 17/377,980.
Application 17/377,980 is a continuation of application No. PCT/CN2019/072059, filed on Jan. 16, 2019.
Prior Publication US 2021/0345178 A1, Nov. 4, 2021
Int. Cl. H04W 28/12 (2009.01); H04L 1/08 (2006.01); H04L 5/00 (2006.01)
CPC H04W 28/12 (2013.01) [H04L 1/08 (2013.01); H04L 5/0055 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method used for duplicate data transmission, applied to a communication device, comprising:
transmitting a first indication information; or,
receiving the first indication information;
wherein the first indication information is used to indicate that a duplicate data transmission function of at least one packet data convergence protocol (PDCP) entity is active or inactive, and/or indicate that a radio link control (RLC) entity used for transmitting duplicate data among a plurality of RLC entities associated with the at least one PDCP entity respectively;
wherein the first indication information is carried in a media access control control element (MAC CE), the first indication information comprises one byte, the byte comprises a first field and a third field, and the first field comprises a data radio bearer (DRB) identifier (ID) corresponding to the PDCP entity.