Method and apparatus for handling secondary node operations in multi-rat dual connectivity

Abstract

The present disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). The method includes receiving at least one User Equipment (UE) capability information from at least one UE, wherein the at least one UE capability information comprises a Post Quantum Cryptography (PQC) information, transmitting an SN addition request message to at least one SN with the PQC information, based on the at least one UE capability information, receiving an SN addition request acknowledge message from the at least one SN, if PQC is supported between the at least one UE and the at least one SN, and receiving an SN addition request reject message from the at least one SN, if PQC is not supported between the at least one UE and the at least one SN.

Dependencies are inferred from the claim text.