Abstract: A method and system for managing source cell connection during a Dual Active Protocol Stack (DAPS) handover with respect to a UE. The method includes establishing, while maintaining DAPS data bearers with a source cell, DAPS data bearers with a target cell during DAPS handover in response to receiving a DAPS handover message from the source cell. The method monitors a plurality of channel condition parameters of the target cell upon successful establishment of the DAPS data bearers with the target cell. Thereafter, the method determines whether a value of each of the monitored plurality of channel condition parameters is more than a respective predefined threshold value, if so, the DAPS data bearers with the source cell are managed.

Abstract: A method for optimizing PWS message reception in multi-SIM multi-standby UE and UE thereof are disclosed. In an embodiment, the method includes receiving a scheduling information of SIBs containing a PWS message from a first network entity and the scheduling information of SIBs containing the PWS message from second network entity. The method checks whether a PWS message identifier is present in a primary CBS configuration list of the first SIM and if so, receives the SIBs based on the scheduling information. The method checks whether the PWS message identifier is present in a secondary CBS configuration list of the second SIM, and terminates reception of the SIBs by the second SIM when the PWS message identifier is absent. A CBS notification is sent by the first SIM, containing the PWS message to a CBS controller in the absence of error while receiving the PWS message from the SIBs.

Abstract: Provided is a method for performing a cell search operation that includes: determining whether a User Equipment (UE) is camped on a first Radio Access Technology (RAT) among a plurality of RATs and supports camping on a second RAT; acquiring first information corresponding to a first Public Land Mobile Network Identity (PLMN ID) associated with the first RAT and at least one first inter-RAT (IRAT) frequency, the at least one first IRAT frequency being associated with the first RAT; storing the first information corresponding to the first PLMN ID in a database of the UE; detecting an occurrence of one or more first events indicating that the UE is required to leave the first RAT and camp on another RAT to handle the event; performing the cell search operation corresponding to the first PLMN ID based on the stored first information to camp the UE on the second RAT.

Abstract: A method disclosed herein includes registering, by a User Equipment (UE), with a primary cell of a first Radio Access Technology (RAT) after terminating at least one communication service initiated in a second RAT, and initiating, by the UE, Inter-Radio Access Technology (IRAT) measurement of a secondary cell before receiving a reconfiguration message from the primary cell in response to the registering, the secondary cell being associated with the primary cell.

Abstract: A method for optimizing PWS message reception in multi-SIM multi-standby UE and UE thereof are disclosed. In an embodiment, the method includes receiving a scheduling information of SIBs containing a PWS message from a first network entity and the scheduling information of SIBs containing the PWS message from second network entity. The method checks whether a PWS message identifier is present in a primary CBS configuration list of the first SIM and if so, receives the SIBs based on the scheduling information. The method checks whether the PWS message identifier is present in a secondary CBS configuration list of the second SIM, and terminates reception of the SIBs by the second SIM when the PWS message identifier is absent. A CBS notification is sent by the first SIM, containing the PWS message to a CBS controller in the absence of error while receiving the PWS message from the SIBs.

Abstract: Accordingly, the embodiment herein is to provide a method for coordinating tune away event of a Multiple Universal Subscriber Identity Module User Equipment (MUSIM UE) (100), where the MUSIM UE (100) includes a plurality of Subscriber Identity Modules (SIMs) (150). The method includes receiving, by a second SIM (150B) of the MUSIM UE (100), data in a Downlink (DL) message from a network device (200) over an air interface, where the data includes a follow-on indication. Further, the method includes decoding, by the second SIM (150B) of the MUSIM UE (100), the received data. Further, the method includes coordinating, by the second SIM (150B) of the MUSIM UE (100), the tune away event of the MUSIM UE (100) based on the decoding of the received data.