Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method for registering a UE (124) in a telecommunication network (500) by a CMF apparatus (154). The method includes receiving a registration request from the UE through a network apparatus (2200). The CMF apparatus is selected by the network apparatus upon receiving a registration request message from the UE. Further, the method includes sending an authentication request message and a UE capability enquiry request message to the UE through the network apparatus. Further, the method includes receiving an authentication response message and a UE capability response message comprising UE capability from the UE through the network apparatus. Further, the method includes sending a security mode command to the UE through the network apparatus. Further, the method includes receiving a security mode complete response from the UE through network apparatus.

Abstract: Example embodiments provide a method and system for performing a bearer type change of a plurality of radio bearers configured for a User Equipment (UE) including changing the bearer type of a specific bearer by the network and checking any changes in keys, packet data convergence protocol (PDCP) termination point, or PDCP version change. Furthermore, the UE is notified to change the bearer type either through a reconfiguration procedure without handover, a secondary node (SN) change procedure or reconfiguration procedure with handover, or a SN change procedure. The network indicates one or more operations to the UE for performing the bearer type change.

Abstract: A design and architecture for a Multi-Radio Multi-Connectivity (MR-MC) network system is provided. The method includes providing and defining a role of a Master Node (MN), a Secondary Node (SN), a Cloud/Centralized Radio Access Network (C-RAN), a Control Plane (CP) and a User Plane (UP) in the MR-MC network system. Furthermore, the method includes determining a capability of a UE in the MR-MC network system. Furthermore, the method includes determining Radio Access Technology (RAT) measurements associated with the MN, an SN1, and an SN2 in the MR-MC network system. Furthermore, the method includes configuring functionalities of the MN, an SN1, and an SN2 based on the capability of the UE and the RAT measurements. Furthermore, the method includes sending an activation/deactivation command for the SN in the MR-MC network system.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments are directed to a method for managing multiple TRPs during RACH procedure within a multi-TRP system in a communication network. The method includes detection, by a UE (100), presence of the multi-TRP system serving in at least one of downlink and uplink and determining, by the UE (100), a first TRP serving in the downlink or the uplink, for transmission of a Random Access Preamble. The method includes determining, by the UE (100), a second TRP for monitoring a reception of a RAR and receiving, by the UE (100), the RAR on third TRP and determining, by the UE (100), a fourth TRP for scheduling PUSCH transmission by a UL grant of the RAR. The method also includes determining, by the UE (100), a fifth TRP for monitoring a reception of a contention resolution message and receiving, by the UE (100), the contention resolution message on a sixth TRP.

Abstract: The present disclosure provides methods and systems for allocation of contention based data transmission (CBDT) resource blocks in a non-terrestrial network. The method comprises: determining if the CBDT resource blocks are to be configured for allocation to a plurality of user equipments (UEs) based on at least one of a plurality of parameters. The method comprises determining if a fixed number of CBDT resource blocks from the CBDT resource blocks are to be used for the allocation based on the determination using at least one of the plurality of parameters. The method comprises allocating a number of CBDT resource blocks in one of a fixed manner or a dynamic manner, wherein the number of CBDT resource blocks are allocated in the fixed manner, based on the fixed numbers of CBDT resource blocks being used for the allocation, and the number of CBDT resource blocks are allocated in the dynamic manner, based on the fixed numbers of CBDT resource blocks not being used for the allocation.

Abstract: The method includes receiving, by a network entity, a plurality of data packets to be prioritized belonging to a Data Radio Bearer (DRB) from a network to a User Equipment (UE) using a plurality of logical channels and configuring a Quality of Service (QoS) parameter of the plurality of logical channels. Further, the method includes allocating, by the network entity, the configured QoS parameter to the DRB, logical channel, a Logical Channel Group (LCG), and a DRB buffer or queue. Further, the method includes dividing, by the network entity, the QoS parameter across one of the DRB, the logical channel, the LCG, and a DRB buffer or queue and sending, by the network entity, the plurality of data packets to the UE by allocating at least one resource as per the PBR and the BSD.

Abstract: Embodiments herein provide a method for handling a user plane by a UE configured for dual connectivity operation. The method includes receiving a RRC reconfiguration message including one or more Layer 2 indications and a Layer 2 configuration corresponding to one or more radio bearers from one of a MN and a SN involved in a dual connectivity operation of the UE. Further, the method includes performing, by the UE, one of: reestablishing of a RLC entity and a data recovery procedure for a PDCP entity corresponding to the radio bearer based on the one or more Layer 2 indications and the Layer 2 configuration received in the RRC reconfiguration message, and reestablishing of a RLC entity and reestablishing of a PDCP entity corresponding to the radio bearer based on the one or more Layer 2 indications and the Layer 2 configuration received in the RRC reconfiguration message.

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. The disclosure relates to a method and an apparatus to trigger deactivation and re-activation of a secondary cell group (SCG) in a multi-radio access Technology (RAT) dual connectivity (MR-DC) network.

Abstract: A multi Transmission Reception Point (TRP) system is provided. The system includes a User Equipment (UE), a core network, a plurality of cells, and a Transmission Reception Point (TRP) controller (TRP-C). The core network is defined by a Centralized or Cloud Radio Access Network (C-RAN). The plurality of cells where each of which is connected to the UE. Each cell includes at least one TRP of a number of TRPs. The TRP-C is connected to the core network, or cloud network or virtual network and to at least one TRP of the number of TRPs in each cell of the plurality of cell. The TRP-C is configured to determine the number of TRPs required for each cell of the plurality of cells to serve the UE.

Abstract: An atherectomy system includes an atherectomy burr having one or more blood flow enhancement features that permit an increased level of blood flow past the burr relative to a blood flow that would result absent the one or more flow enhancement features. A drive mechanism is adapted to rotatably actuate the atherectomy burr.

Abstract: Methods and apparatuses are provided in which a message is received at a user equipment (UE) from one or more radio access network (RAN) nodes. The UE determines presence of an information element (IE) in the message. The UE determines an interface protocol supported by each of the one or more RAN nodes based on a value indicated in the IE. The UE establishes communication with a first RAN node of the one or more RAN nodes based on a priority associated with the interface protocol of the first RAN node.

Abstract: The present disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). A method implemented in a network entity for event handling in a service-based communication architecture is provided.

Abstract: The present disclosure relates to a method performed by a user equipment (UE) for secondary node failure recovery in a non-standalone (NSA) communication system. The method comprises identifying failure in a secondary node, the UE being connected to a master node and the secondary node. The method comprises sending, to the master node, information related to the failure of the secondary node and an indication of a presence of a fallback secondary node configuration. The method comprises evaluating, an execution condition of the fallback secondary node based on a plurality of connection parameters. The method comprises sending to the master node, a Radio Resource Control (RRC) reconfiguration complete message to connect to the fallback secondary node based on that the evaluation condition is succeeded.

Abstract: Methods and apparatuses in a sidelink communication system are provided. Configuration information for providing assistance information for a sidelink communication is received from a base station (BS) at a user equipment (UE). The assistance information is transmitted from the UE to the BS in response to the configuration information, in case that a traffic pattern of the UE is changed. The assistance information includes information on the traffic pattern of the UE.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a terminal for dynamic data encryption in a communication system is provided. The method includes receiving, from a network entity, a list of network public keys including a plurality of network public keys and corresponding key indexes, generating a pair of keys including a user equipment (UE) public key and a UE private key in response to receiving the list of network public keys, randomly selecting a network public key from the list of network public keys received from the network entity, generating a shared secret key corresponding to the UE by using the randomly selected network public key and the UE private key, and encrypting data to be transferred between the UE and the network entity by using the generated shared secret key corresponding to the UE.

Abstract: The present disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). A method for handling segmentation in a converged layer 2 (L2) communication network is provided. The method includes assigning, by a converged L2 of a transmitter, a L2 sequence number (SN) to a protocol data unit (PDU).

Abstract: A method for processing at least one Internet Protocol (IP) packet performed by a converged layer 2 (L2) in a wireless communication system is provided. The method includes receiving, by the converged L2, at least one internet protocol (IP) packet as a service data unit (SDU) from an IP layer, assigning, by the converged L2, a sequence number to the received at least one IP packet, adding, by the converged L2, at least one L2 header to the received at least one IP packet to process a protocol data unit (PDU), and transmitting, by the converged L2, the processed at least one PDU to at least one medium access control (MAC) lower layer.

Abstract: An example method for managing a UAV control operation includes periodically receiving a request for transmission of UAV assistance information from a network entity and establishing a radio resource control (RRC) connection with the network entity. In response to the received request, the method further includes determining a triggering of at least one event corresponding to an initiation of a UAV control operation and transmitting UAV assistance information to the network entity in an RRC connected state based on the determined triggering of the at least one event. The method further includes receiving a control message from the network entity in response to the transmitted UAV assistance information. The control message includes information related to an execution of the UAV control operation. Thereafter, the method further includes executing the UAV control operation based on the information included in the received control message.

Abstract: Example embodiments provide a method and system for performing a bearer type change of a plurality of radio bearers configured for a User Equipment (UE) including changing the bearer type of a specific bearer by the network and checking any changes in keys, packet data convergence protocol (PDCP) termination point, or PDCP version change. Furthermore, the UE is notified to change the bearer type either through a reconfiguration procedure without handover, a secondary node (SN) change procedure or reconfiguration procedure with handover, or a SN change procedure. The network indicates one or more operations to the UE for performing the bearer type change.

Abstract: Provided are methods and apparatuses for performing a communication in a wireless communication system. An IAB node of performing a communication, according to an embodiment, includes a transceiver and a processor coupled with the transceiver and configured to perform an authentication and a setup of an IP connectivity with an OAM (operations, administration and maintenance) server, in response to an architecture in which a DU (distribution unit) and a CU (central unit) are split, establish a F1 interface between a DU of the IAB node and a CU of an IAB donor, and provide a service to a UE based on a result of the establishment.