CPC H04W 28/12 (2013.01) [H04L 1/08 (2013.01); H04L 5/0055 (2013.01)] | 17 Claims |
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.
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