CPC H04W 28/06 (2013.01) [H04L 69/04 (2013.01); H04L 69/22 (2013.01); H04W 80/02 (2013.01)] | 15 Claims |
1. A method performed by a terminal in a wireless communication system, the method comprising:
identifying whether a service data adaptation protocol (SDAP) header is configured and whether an Ethernet header compression (EHC) is configured;
and
performing EHC for data in a packet data convergence protocol (PDCP) layer, in case that the EHC is configured,
wherein an EHC header is located after the SDAP header, and
wherein a PDCP header and the SDAP header are not ciphered.
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