METHOD FOR RECEIVING AND TRANSMITTING TAU-LESS PSM RELATED SIGNAL IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR

摘要

An embodiment of the present invention relates to a method for receiving and transmitting, by a mobility management entity (MME), tracking area update (TAU)-less power saving mode (PSM) related signals, the method comprising the steps of: receiving, from a terminal, a first TAU request message including information related to a TAU-less PSM entry; transmitting a TAU accept message in response to the first TAU request message; and receiving a second TAU request message including information related to release of the TAU-less PSM, wherein the second TAU request message including information related to release of the TAU-less PSM is regarded by the MME as an attach request.