KT Corporation

Provided are a method and device for processing a medium access control (MAC) message in a wireless communication system. The device receives a first MAC message for paging, and after receiving the first MAC message, transmits a second MAC message including device to reader (D2R) upper layer data. Further, after transmitting the second MAC message, the device receives a third MAC message including reader to device (R2D) upper layer data. Here, the first MAC message includes device identification information and information indicating presence of the device identification information, and the third MAC message includes information indicating presence of the R2D upper layer data.

Provided are a method and device for ambient IoT communication in a wireless communication system. The device receives a paging message including first ambient internet of things (AIoT) device identification information, and forwards the first AIoT device identification information included in the paging message to an upper layer. Further, the device receives, from the upper layer, an indication regarding whether the first AIoT device identification information matches. The paging message includes a predetermined field, and based on the predetermined field, the first AIoT device identification information may be forwarded to the upper layer.

Provided are a method and device for processing ambient Internet of Things (IoT) data in a wireless communication system. The device receives a paging message including first device identification information, and checks whether the first device identification information matches second device identification information stored in the device. Further, based on a result of the checking, the device transmits a medium access control (MAC) message including upper layer data, wherein the paging message includes a first security parameter and information indicating presence of the first security parameter.

Provided are a method of a base station for controlling transmission and reception of data through a network slice. The method includes: receiving network slice request information from a terminal in which a network slice is configured; controlling so as to deliver the network slice request information to a core network entity; and receiving, from the core network entity, specific network slice information configured on the basis of the network slice request information.

Provided are a method and apparatus for receiving notification information in a wireless communication system. The terminal may receive a Narrowband-Internet of Things (NB-IoT) system information block type1. Then, after receiving the NB-IoT system information block type1, the terminal may receive at least one specific NB-IoT system information block type including Earthquake and Tsunami Warning System (ETWS) notification information. Subsequently, the terminal may forward at least a part of the ETWS notification information to an upper layer, wherein the ETWS notification information may include warning area coordinates information.

Provided is a method for performing a random access procedure by an Ambient IoT terminal. The method may include: receiving random access type indication information from a reader device; determining a random access type based on the random access type indication information; and starting the random access procedure according to the random access type.

Provided are a method and apparatus for receiving notification information in a wireless communication system. The terminal may receive Earthquake and Tsunami Warning System (ETWS) indication information. Then, after receiving the ETWS indication information, the terminal may receive a Narrowband-Internet of Things (NB-IoT) system information block type 1. Furthermore, after receiving the NB-IoT system information block type 1, the terminal may receive at least one specific NB-IoT system information block type including ETWS notification information. The NB-IoT system information block type 1 may include scheduling information for the at least one NB-IoT system information block type, and terminal capability information associated with the reception of the ETWS notification information may be indicated to a network.

Provided are a method and apparatus for controlling mobility in a wireless communication system. The method of the terminal may include receiving a conditional layer 1 (L1)/layer 2 (L2) triggered mobility (LTM) configuration, after receiving the conditional LTM configuration, performing an evaluation of an execution condition for conditional LTM and an early synchronization to a candidate cell, and executing the conditional LTM based on the performed evaluation of the execution condition and the performed early synchronization.

Provided are a method and apparatus for configuring mobility in a wireless communication system. The method of a terminal may include receiving a conditional layer 1 (L1)/layer 2 (L2) triggered mobility (LTM) configuration, starting an evaluation of an execution condition for conditional LTM based on the received conditional LTM configuration, and stopping the evaluation of the execution condition, wherein the stopping of the evaluation may be performed based on reception of ReconfigurationWith Synch.

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