Patent ID: 9191806
Filing Date: 2015-11-17
Classification: H04L,H04W

Abstract:
1. A method for performing retransmission of a Machine Type Communication (MTC) group message by an MTC-InterWorking Function (MTC-IWF) in a mobile communication system, the method comprising: receiving an MTC group message response from a network node; and determining whether to perform retransmission of the MTC group message on the basis of information contained in the MTC group message response, wherein the MTC group message response includes zero or more region information of a predetermined unit, related to completion of the MTC group message transmission, wherein the region information indicates information regarding a region where transmission of the MTC group message was not completed, and wherein, if a response to the MTC group message includes zero region information of the predetermined unit, the MTC-IWF decides not to perform the retransmission.