Abstract: Provided are a method and apparatus for monitoring a model in beam management by using artificial intelligence and machine learning. The method may include: in relation to a reference signal configured for a terminal, receiving second reference signal resource set configuration information of the reference signal for monitoring an AI/ML model; on the basis of the second reference signal resource set configuration information, measuring signal strength or signal quality for the reference signal; and reporting the performance result of the AI/ML model by comparing a measured value of the reference signal with a predicted value of the reference signal inferred via the AI/ML model.

Abstract: 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.

Abstract: Provided are a method and an apparatus for performing beam management in a wireless communication system. The method of a terminal may include triggering at least one beam failure recovery (BFR) for a cell that performs beam management using an artificial intelligence and/or machine learning model, deactivating the artificial intelligence and/or machine learning model based on the number of the at least one beam failure recovery triggered during a specific time duration, and transmitting deactivation information of the artificial intelligence and/or machine learning model to a base station.

Abstract: Provided are a method and device for proactively predicting a radio link failure (RLF) of a UE. The method may include receiving configuration information for RLF prediction from a base station, performing signal measurement of a serving cell based on the configuration information, and predicting an RLF occurrence using an RLF output result output from a preconfigured prediction model by inputting a signal measurement result to the prediction model.

Abstract: Provided are a method and apparatus for performing random access in subband full duplex (SBFD) communication. The method of the terminal may include receiving first random access channel (RACH) resource information for a SBFD symbol and second RACH resource information for a non-SBFD symbol, and acquiring i) first mapping information regarding a number of synchronization signal blocks (SSBs) mapped per SBFD symbol-based RACH occasion, and ii) second mapping information regarding a number of preambles allocated per SSB for the SBFD symbol-based RACH occasion.

Abstract: Provided are a method and apparatus for determining a random access channel (RACH) resource type in subband full duplex (SBFD) of a wireless communication system. The method of the terminal may include receiving information on a maximum number of preamble transmissions through a subband full duplex (SBFD) symbol, transmitting at least one first preamble through a first random access channel (RACH) resource, and determining a second RACH resource configured on a non-SBFD symbol when a number of transmissions of the at least one first preamble exceeds the maximum number of preamble transmissions through the SBFD symbol.

Abstract: Provided are a method and apparatus for determining random access channel (RACH) occasions in a sub-band full-duplex (SBFD) wireless communication system. The method of the terminal may include receiving random access channel (RACH) configuration information including a reference signal received power (RSRP) threshold for subband full duplex (SBFD) from a base station, comparing an RSRP for a downlink (DL) pathloss reference with the RSRP threshold for the SBFD, and determining at least one RACH occasion based on the comparison result.

Abstract: Provided are a method and apparatus for determining RACH transmission power in subband full-duplex communication. The method of terminal may include receiving a single piece of random access channel (RACH) resource information, selecting a first RACH occasion belonging to a subband full duplex (SBFD) symbol based on the received single piece of RACH resource information, and determining RACH transmission power for the selected first RACH occasion by applying an offset for the SBFD symbol.

Abstract: Provided are a method and apparatus for selecting contention resources of a terminal in a wireless communication system. A terminal receives, from a reader, at least one contention resource information distinguished by time and frequency resources, select at least one contention resource based on the received at least one contention resource information. Then, the terminal transmits, to the reader, a first message on a first frequency resource in a time domain corresponding to the selected at least one contention resource. The first message includes information triggered by the received at least one contention resource information. Thereafter, the terminal receives, from the reader, a second message in response to the transmitted first message.

Abstract: Provided are a method and apparatus for communication using a low power wake up receiver (LR). A user equipment (UE) receives event information related to the LR, evaluates whether at least one event included in the event information is satisfied based on measurement using the LR, and performs a physical downlink control channel (PDCCH) monitoring operation if the at least one event is satisfied based on the evaluation.

Abstract: Provided are a method and device for processing a cell prediction result. The method may include receiving, from a base station, a configuration message including at least one of first event information on prediction time information and second event information on the cell prediction result, deriving an evaluation result for at least one of the first event information and the second event information using an artificial intelligence or machine learning model, and in an event that the derived evaluation result meets at least one of the first event information and the second event information, transmitting a report message including the cell prediction result to the base station.

Abstract: Provided are a method and device for performing wireless communication using a low-power receiver. The method of a UE may include receiving setting information including configuration information regarding a low-power wake-up operation and configuration information regarding a DRX operation, monitoring a wake-up signal through the low-power receiver based on the setting information, monitoring a downlink control channel and receiving a downlink data channel, through a transceiver, upon receiving when the wake-up, and changing the DRX operation for a predetermined period, based on the setting information.

Abstract: Provided are a method and apparatus for performing a random access procedure in a wireless communication. The method of UE may include receiving first random access channel (RACH) resource configuration information associated with a subband full duplex (SBFD) and second RACH resource configuration information associated with non-SBFD from a base station, selecting one of a first RACH resource according to the first RACH resource configuration information and a second RACH resource according to the second RACH resource configuration information, and transmitting a preamble corresponding to the selected one of the first RACH resource and second RACH resource to the base station.

Abstract: Provided are a method and apparatus for ramping preamble transmission power in a wireless communication system. The method of UE may include receiving configuration information for a first random access channel (RACH) resource type associated with a subband full duplex (SBFD) and configuration information for a second RACH resource type associated with a non-SBFD from a base station, and setting preamble received target power based on a first power ramping step according to the configuration information for the first RACH resource type and a second power ramping step according to the configuration information for the second RACH resource type. The preamble received target power may be set when the RACH resource type is changed in second preamble transmission after first preamble transmission.

Abstract: Provided are a method and apparatus for reporting an event-based measurement result in a wireless communication system. The terminal receives i) channel state information (CSI) reporting configuration information including event information and ii) CSI resource configuration information from a base station. The terminal performs measurement for at least one of a channel state information-reference signal (CSI-RS) and a synchronization signal block (SSB) based on the CSI resource configuration information. The terminal transmits layer 1 (L1) signaling or layer 2 (L2) signaling for a CSI report to the base station, upon satisfaction of at least one event according to the event information included in the CSI reporting configuration information based on the measurement.

Abstract: A multilayer capacitor includes an active portion including a dielectric layer and first and second internal electrodes stacked with the dielectric layer interposed therebetween in a first direction, a first external electrode covering the active portion and connected to the first internal electrode, a connection electrode covering the active portion and connected to the second internal electrode, a side margin portion covering the connection electrodes on the active portion, and a second external electrode covering the side margin portions and connected to the connection electrode.

Abstract: A multilayer capacitor includes an active portion including a dielectric layer and first and second internal electrodes stacked with the dielectric layer interposed therebetween in a first direction, a first external electrode covering the active portion and connected to the first internal electrode, a connection electrode covering the active portion and connected to the second internal electrode, a side margin portion covering the connection electrodes on the active portion, and a second external electrode covering the side margin portions and connected to the connection electrode.

Abstract: Disclosed herein is a method for preparing ultrathin silver nanowires. It may comprise (a) dissolving a silver salt (Ag salt) and a capping agent in a reducing solvent to give a mixture solution; (b) adding a halide compound to the mixture solution to yield a silver seed; (c) heating the mixture solution and then allowing the heated mixture solution to grow ultrathin silver nanowires from the silver seed under a pressure in an inert gas atmosphere; and (d) cooling the mixture solution in which the ultrathin silver nanowires have grown, followed by purification and separation to obtain the ultrathin silver nanowires. The silver nanowires are restrained from growing in thickness under a certain pressure, so that they are 30 nm or less in thickness and have a narrow diameter distribution, which leads to an improvement in aspect ratio.

Abstract: A method and apparatus for switching a connection in a wireless communication system is provided. A source cell decides radio resource control (RRC) connection switching to a target cell, transmits an aggregated user equipment (UE) context transfer message to the target cell, and transmits an RRC connection switching message to a UE in coverage of the source cell. The RRC connection switching message includes information on an identity of the target cell and a period during which the UE should finish the RRC connection switching to the target cell.

Abstract: The present invention relates to a method for updating secondary carrier information for preemptively allocating secondary carriers during handover and an apparatus for carrying out the method. A method in which a terminal performs handover in a broadband access system that supports multiple carriers according to one embodiment of the present invention comprises: a step in which a target base station receives, from a serving base station, a first message including carrier allocation information on at least one secondary carrier preemptively allocated to the terminal; a step of performing network reentry with the target base station; and judging whether the multi-carrier configuration of the serving base station and the multi-carrier configuration of the target base station are the same, and, if the configurations are different from each other, transmitting, to the target base station, a second message for requesting multi-carrier capability negotiation.