PROCÉDÉ ET APPAREIL DE TRANSMISSION ET DE RÉCEPTION DE DONNÉES DANS UNE PLURALITÉ DE PORTEUSES D'UN SYSTÈME DE COMMUNICATION SANS FIL

摘要

Disclosed is a communication method of a User Equipment (UE) in a Dual Connectivity (DC)-based mobile communication system in which a Master Cell Group (MCG) and at least one Secondary Cell Group (SCG) are configured, the method including: receiving measurement gap configuration information relating to a measurement gap used to periodically measure at least one serving cell; determining a first sub-frame included in the measurement gap using a System Frame Number (SFN) of the MCG and the received measurement gap configuration information; and performing measurement on the at least one serving cell during at least one measurement gap sub-frame determined based on the first sub-frame.