According to an embodiment, an electronic device comprises: at least one processor, wherein the at least one processor may be configured to: receive a first message indicating a packet data convergence protocol (PDCP) state of a network from the network, identify a first missing count (FMC) of the network based on the first message, identify a count of a message scheduled to be transmitted by the electronic device, compare the count of the message scheduled to be transmitted with the FMC, and adjust the count of the message scheduled to be transmitted based on a result of the comparison.