Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein disclose methods and systems for efficient and reliable reception for New Radio Multicast Broadcast Service (NR MBS). Embodiments herein disclose a DRX approach and HARQ transmission and retransmission for MBS packets in order to support power efficient and reliable delivery of 5G MBS. Embodiments herein disclose mechanisms that work for the PTM and PTP based delivery framework for NR MBS.

Abstract: Disclosed is a method and apparatus of managing capability reporting by a UE in a wireless communication system configured for dual connectivity (DC), the method comprises receiving, from a base station, a first capability enquiry comprising information on a first set of bands, transmitting, to the base station, a first reply including information indicating that the UE supports more than a predefined number of bands, in case that the UE supports more than the predefined number of bands, receiving, from the base station, a second capability enquiry comprising information on a second set of bands more than the predefined number of bands, and transmitting, to the base station, a second reply including UE capability information associated with the second set of bands.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure relates to a method of segmenting data by a transmitting side in a mobile communication system. The method includes: determining whether a size of a RRC (radio resource control) message exceeds a maximum PDCP (packet data convergence protocol) SDU (service data unit) size; when the size of the RRC message exceeds the maximum PDCP SDU size, performing a segmentation of the RRC message into a plurality of segments in a RRC layer; and transmitting, to a base station (BS), the plurality of segments of the RRC message.

Abstract: Embodiments herein disclose a method for handling a RLF in a wireless communication system by a UE (100). The method includes receiving a measurement configuration including a second timer (150) from a SN (300). Further, the method includes configuring the UE with the second timer associated with a measurement report for a PSCell of the SN. Further, the method includes starting the second timer when the measurement report is triggered while a first timer (140) for the PSCell is running. Further, the method includes detecting an expiry of one of: the first timer and the second timer for the PSCell. Further, the method includes declaring a SCG RLF upon expiry of one of: the first timer and the second timer whichever is early. Further, the method includes initiating a SCG failure procedure towards a MN (300) upon declaring SCG RLF.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure provides apparatus and method for controlling data flow in wireless communication system. According to various embodiments of the present disclosure, a method of managing a data flow in a wireless communication system comprises controlling a quality of service (QoS) flow to be transferred from a first data radio bearer (DRB) to a second DRB. Herein, the QoS flow is a flow of data carried by a DRB between a terminal and at least one network entity.

Abstract: A method and apparatus for measuring and reporting cross-link interference are provided. The method includes receiving, from a base station (BS), a measurement configuration for the CLI, performing measurement on the configured measurement object based on the measurement configuration for the CLI and transmitting, to the BS, based on a measurement result of at least one of a resource from a plurality of resources for measuring the CLI of the configured measurement object exceeding a threshold, a measurement report for all of the plurality of resources for measuring the CLI of the configured measurement object whose measurement result exceeds the threshold.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Disclosed is a User Equipment, UE, operable with a telecommunication network, arranged to perform an operation associated with a Level 2, L2, entity involved with Multicast Broadcast Services, MBS, wherein the UE is arranged to perform the operation in response to one of: i) information received or acquired from the network or upon UE mobility; and ii) information provided in a message field received from the network, explicitly to trigger the UE to perform the operation.

Abstract: Embodiments herein disclose a method for handling an RLF in a wireless communication system by a UE (100). The method includes receiving a measurement configuration including a second timer (150) from a SN (300). Further, the method includes configuring the UE with the second timer associated with a measurement report for a PSCell of the SN. Further, the method includes starting the second timer when the measurement report is triggered while a first timer (140) for the PSCell is running. Further, the method includes detecting an expiry of one of: the first timer and the second timer for the PSCell. Further, the method includes declaring an SCG RLF upon expiry of one of: the first timer and the second timer whichever expires sooner. Further, the method includes initiating an SCG failure procedure towards an MN (300) upon declaring SCG RLF.

Abstract: The present disclosure relates to a communication technique for merging IoT technology with a 5G communication system for supporting higher data transmission rates than 4G systems, and a system therefor. The present disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail business, security and safety-related services, etc.) on the basis of 5G communication technology and IoT-related technology. In addition, the present disclosure relates to a method for adding or changing a cell, and a device for performing same.

Abstract: The disclosure relates to a 5G or pre-5G communication system. A method performed by a terminal includes receiving, from a base station, first system information including information indicating that an extended DRX mode is allowed in a cell; transmitting, to an entity for managing mobility of the terminal, a request message including first information on a first DRX cycle for an operation in the extended DRX mode; receiving, from the entity, a response message based on the request message; identifying whether the response message includes second information on a second DRX cycle for the operation in the extended DRX mode; performing the operation in the extended DRX mode based on the second information, when the response message includes the second information; and performing an operation in a regular DRX mode based on third information on a default cycle, when the response message does not include the second information.

Abstract: A communication technique for convergence of the 5G communication system for supporting higher data transmission rate after the 4G system with IoT technologies and a system thereof. Certain embodiments may be applied to intelligent services based on the 5G communication technologies and the IoT-associated technologies (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail services, security and safe-associated services, etc.). A method and an apparatus which can substitute reporting UE capabilities by use of an identifier of the UE, without reporting the overall UE capabilities in a method of reporting UE's own capability.

Abstract: Provided is a method performed by a user equipment (UE) in a wireless communication system. The method includes: receiving, from a base station, a UE capability enquiry message associated with a limitation on a maximum number of transmission component carriers (CCs) of the UE; when a radio access technology (RAT) type of the received UE capability enquiry message indicates multi-radio dual connectivity (MR-DC) and the UE supports the MR-DC, determining UE capability information that the UE is to report, based on the received UE capability enquiry message; and transmitting the determined UE capability information to the base station.

Abstract: A method for triggering a RRC state transition indication by UE in a wireless communication network includes receiving, by the UE, a radio resource control (RRC) Reconfiguration message from the wireless communication network, where the RRC Reconfiguration message comprises a configuration setting. Further, the method includes enabling, by the UE, a capability to trigger a RRC state transition indication to the wireless communication network based on the configuration setting and determining, by the UE, a condition to trigger the RRC state transition indication to the wireless communication network is satisfied. Further, the method includes triggering, by the UE, the RRC state transition indication by sending a UE assistance information message to the wireless communication network.

Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting higher data transmission rates than 4G systems such as LTE. A method for a user equipment to perform event-based logging in a wireless communication system according to an embodiment of the present disclosure comprises the steps in which the user equipment is in an RRC idle state (RRC_IDLE) or an RRC inactive state (RRC_INACTIVE) and confirms that a suitable or acceptable cell cannot be found, the user equipment confirms that the RPLMN when the suitable or acceptable cell could not be found is included in a PLMN ID list, the user equipment logs a serving cell ID that indicates a global cell ID of the suitable cell on which the user equipment most recently camped, and the user equipment logs a measurement result of the suitable cell on which the user equipment most recently camped.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method for switching resource pools by a device arranged to transmit according to a first resource pool is provided. The method includes sensing a second resource pool, determining whether the second resource pool has been sensed sufficiently long to apply sensing based resource selection, and selecting resources from an exceptional pool by using random resource selection, if the second resource pool has not been sensed sufficiently long to apply sensing based resource selection.

Abstract: A method for executing conditional handover by a UE in a wireless communication network is provided. The method may include receiving an RRC reconfiguration message from a source cell of the wireless communication network. The RRC reconfiguration message may include a handover configuration and determining whether a CHO configuration may be provided in the handover configuration. Further, the method may include performing one of: continuing an RLM timer and an RLM procedure on the source cell, in response to determining that the CHO configuration is provided in the handover configuration; and stopping the RLM timer and suspending the radio link monitoring procedure on the source cell, in response to determining that the CHO configuration is not provided in the handover configuration. The method may then include executing the CHO from the source cell to a candidate target cell in the wireless communication network based on the CHO configuration.

Abstract: The present disclosure relates to a method performed by a user equipment (UE) in a wireless communication system. The method may include receiving, from a base station (BS), configuration information associated with a logged minimization of driving test (MDT), and performing measurement logging in a plurality of logging intervals, based on the configuration information when the UE transitions to an idle state or an inactive state. The performing of the measurement logging may include, when reportType is set to eventTriggered, detecting whether an in-device coexistence (IDC) problem has occurred in a last logging interval from among the plurality of logging intervals while the measurement logging is performed, and when it is detected that the IDC problem has occurred, logging a flag indicating the occurrence of the IDC problem.

Abstract: The present disclosure relates to a pre-5th generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th generation (4G) communication system such as long term evolution (LTE). Disclosed is a method of controlling the activation or deactivation of a Secondary Cell Group, SCG, in a telecommunication network employing Dual Connectivity, DC, comprising detecting at least one of the following triggers: downlink data inactivity detected by a terminating node; uplink data inactivity detected by the terminating node or detected and reported by a User Equipment, UE; UE assistance information reported to a Master Node, MN or Secondary Node, SN; and mobility to the MN or the SN not supporting the SCG deactivation feature.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-Generation (4G) communication system such as long-term evolution (LTE). The disclosure relates to the collection and reporting of measurement information in a wireless communication system, in which an operation method of a terminal may include receiving configuration information for a logged minimization drive test (MDT) disclosed by a secondary node (SN), storing a measurement result by performing the logged MDT in one of a radio resource control (RRC) idle mode or an RRC inactive mode, based on the received configuration information, transmitting a message including an indicator for indicating that the stored measurement result exists after the terminal is switched to the RRC connected mode, receiving a request message for requesting the logged MDT measurement result, and transmitting a message for reporting the logged MDT measurement result.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system or networks beyond 5G communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology.