Abstract: Disclosed are methods and apparatuses for reducing power consumption of a terminal. A method of a terminal may comprise: receiving, from a base station, discontinuous reception (DRX) configuration information; performing physical downlink control channel (PDCCH) monitoring in an active duration of a DRX cycle based on the DRX configuration information; receiving, from the base station, instruction information instructing adjustment of the active duration of the DRX cycle; adjusting a time length of the active duration based on the instruction information from the base station; and performing PDCCH monitoring in the active duration whose time length is adjusted.

Abstract: A method of a base station may comprise: configuring a first resource set and a second resource set for training and inference operations of an artificial intelligence/machine learning (AI/ML) model; determining whether the first resource set and the second resource set are identical and configuring an associated identifier (ID) for each of the first resource set and the second resource set; and transmitting a signal to a terminal based on at least one of a plurality of beams corresponding to the associated ID of the first resource set or a plurality of beams corresponding to the associated ID of the second resource set.

Abstract: A method of a user equipment (UE) may comprising: receiving a reference signal for at least one beam from a base station; obtaining a performance measurement result by measuring a performance of each of the at least one beam based on the reference signal; obtaining a performance prediction result of each of the at least one beam from an AI/ML model based on the performance measurement result; determining a performance metric of the AI/ML model based on the performance prediction result; and determining an operation of the AI/ML model by monitoring the performance metric.

Abstract: The present disclosure generally relates to wireless communication systems, and more particularly to an apparatus and method for multi-temporal channel state information based machine learning feedback in wireless communication systems. A method of operating a terminal for feeding back channel state information (CSI) in a wireless communication system includes: acquiring CSI based on at least one past time instance, or at least one current time instance; deriving input CSI based on CSI for at least one past time instance and at least one current time instance; generating CSI feedback information by using the input CSI as input to a machine learning model; and transmitting the generated CSI feedback information to a base station, wherein the CSI feedback information includes prediction information for at least one target CSI at current and at least one future time instance.

Abstract: The present disclosure generally relates to wireless communication systems, and more particularly, to an apparatus and method for integrated inference using dual-sided machine learning in wireless communication systems. A method of operating a user equipment (UE) in a wireless communication system includes: transmitting capability information of the UE to a network; receiving at least one of a structure or parameters of a reference model, or receiving a learning data set from the network according to the capability information of the UE; configuring a machine learning (ML) model directly on the UE or through a UE-side learning server based 10 on the received information; and performing integrated inference based on dual-sided machine learning models with the network using the configured machine learning model.

Abstract: Disclosed are a measurement control method and apparatus in a communication system. A method of a terminal may comprise: receiving measurement offloading configuration information from a base station; performing a first measurement operation for downlink (DL) signals; determining whether the terminal is located within a potential low-power wake up signal (LP-WUS) reception coverage based on the measurement offloading configuration information and a first result of the first measurement operation; in response to determining that the terminal is located within the potential LP-WUS reception coverage, performing a second measurement operation for LP-WUS; and performing the first measurement operation or the second measurement operation based on a second result of the second measurement operation.

Abstract: A method of a first communication node may comprise: determining an intelligent positioning model including at least one positioning functionality for positioning of a second communication node based on a capability information report received from the second communication node; training the intelligent positioning model using a data set received from the second communication node; transmitting the trained intelligent positioning model to the second communication node; and receiving, from the second communication node, an inference result through the intelligent positioning model, and determining a position of the second communication node.

Abstract: A method of a terminal may comprise: receiving, from a base station, configuration information on first reference signal resources; obtaining a measurement result by performing measurement on the first reference signal resources according to the configuration information; performing layer 1 (L1) filtering on the measurement result; and in response to the L1-filtered measurement result satisfying a measurement reporting condition, reporting the L1-filtered measurement result to the base station.

Abstract: A method of a first communication node may comprise: configuring at least one intelligent functionality among a plurality of intelligent functionalities based on functionality configuration information received from a second communication node; obtaining a training dataset corresponding to the at least one intelligent functionality based on an associated identifier (ID) received from the second communication node; training an intelligent model to perform the at least one intelligent functionality using the training dataset; and performing intelligent operations according to the at least one intelligent functionality using the trained intelligent model.

Abstract: An operation method of a terminal in a mobile communication system may comprise: determining whether prediction of a communication failure is needed while performing communication with a base station; in response to determining that prediction of the communication failure is required, performing a communication failure prediction procedure; and in response to predicted occurrence of the communication failure according to a result of performing the communication failure prediction procedure, performing a recovery procedure for the predicted communication failure.

Abstract: A method of a first training node may comprise: performing training on a first two-sided AI/ML model using a raw training data set collected for CSI feedback; generating a sequential training data set for sequential training on the first two-sided AI/ML model; performing pruning on the sequential training data set to obtain a reduced sequential training data set; and transmitting, to a second training node, two-sided AI/ML training data information including at least one of the reduced sequential training data set or sequential training data configuration information.

Abstract: A terminal of a communication system transmits a first signal through a physical uplink channel that is allocated within a first radio resource based on a first Transmission Time Interval (TTI) having a first time length at a first step for uplink access, performs the remaining steps for the uplink access using a second radio resource based on the second TTI from a base station, when the terminal may operate based on a second TTI having a second time length smaller than the first time length, and transmits uplink data.

Abstract: Disclosed herein is a base station of a mobile communication system configuring at least one low latency transmission time interval (TTI) within a length of at least one transmission symbol in a subframe including a plurality of transmission symbols and transmitting LL (low latency) TTI related information using a physical control format indicator channel (PCFICH) transmitted at a pre-defined transmission symbol position within the subframe.

Abstract: Disclosed are a method and an apparatus for receiving data by decoding a control channel received in unit of a short transmission time interval (sTTI); and receiving, if a first control channel matched with the terminal is determined based on the decoding result, data in a short resource block set (sRBS) including the first control channel.

Abstract: Provided are a method and an apparatus for performing a synchronous hybrid automatic repeat reQuest (HARQ). When a variable transmission time allocation is allocated per HARQ process, resource allocation information including a duration field corresponding to a length of a transmission time interval (TTI) allocated to each of the HARQ processes is transmitted. After the resource allocation information is transmitted, it is determined whether an HARQ error occurs at a predetermined timing and if it is determined whether the HARQ error occurs, the HARQ error is handled.

Abstract: Disclosed are a method and apparatus for transmitting information in a low latency mobile communication system. Delay time requests are obtained from terminals, and time intervals for transmitting control information for the respective terminals are determined on the basis of the delay time requests. Control information is transmitted to the respective terminals according to the determined time intervals.

Abstract: Disclosed is a method and apparatus for random access in a wireless communication system. In a communication environment in which a first terminal and a second terminal coexist, a base station receives a random access identification signal from one among a first terminal and a second terminal. The base station transmits a busy signal in response to the random access identification signal. After that, the base station receives data from the terminal having transmitted the random access identification signal.

Abstract: Disclosed are a method and an apparatus for receiving data by decoding a control channel received in unit of a short transmission time interval (sTTI); and receiving, if a first control channel matched with the terminal is determined based on the decoding result, data in a short resource block set (sRBS) including the first control channel.

Abstract: Disclosed is a base station that grants the same shared resource to a plurality of terminals, identifies a terminal transmitting uplink data in the same transmission time interval (TTI), when each of the plurality of terminals starts an initial transmission of the uplink data using the shared resource by distributed scheduling, allows each of the plurality of terminals to recognize not-acknowledgement (NACK) as a response signal to the uplink data if the number of terminals transmitting the uplink data is equal to or more than 1; and grants a contention-free resource as a retransmission resource to each of at least some terminals among the first number of terminals transmitting data that fail to receive among the identified terminals.

Abstract: A terminal of a communication system transmits a first signal through a physical uplink channel that is allocated within a first radio resource based on a first Transmission Time Interval (TTI) having a first time length at a first step for uplink access, performs the remaining steps for the uplink access using a second radio resource based on the second TTI from a base station, when the terminal may operate based on a second TTI having a second time length smaller than the first time length, and transmits uplink data.