Abstract: A method, apparatus, and computer program for causing a master node operating with dual connectivity to a user equipment with a first secondary node to: determine that a primary cell of a secondary cell group is to switch from a first cell serving the user equipment, wherein the first cell is provided by the first secondary node; determine, for a second cell provided by a second secondary node, at least one measurement configuration that will remain valid after or during a time period when the primary cell of the secondary cell group serving the user equipment switches from the first cell to the second cell; and provide the at least one measurement configuration to the user equipment.

Abstract: The disclosure relates to a target network node comprising at least one processor and at least one memory including computer code for one or more programs, the at least one memory and the computer code configured, with the at least one processor, to cause the target network node at least to: determine (1100) a prediction of an outcome of a network procedure involving a source network node and the target network node or a model of a target network node transfer function to compute a prediction of an outcome of the network procedure involving the source network node and the target network node; and provide (1102), to the source network node, the prediction or the model of the target network node transfer function

Abstract: The disclosure inter alia relates to a user equipment configured to support dual connectivity operation towards a master node and a secondary node of a radio access network, the user equipment comprising at least one processor and at least one memory, the at least one memory storing instructions that, when executed by the at least one processor, cause the user equipment to perform at least the following: establishing a connection towards the master node; receiving configuration information from the master node, wherein the configuration information comprises key counter information which defines a sequence of at least two different key counter values to generate at least two different security keys for at least two different target secondary nodes.

Abstract: According to an example embodiment, a method may include receiving, by a user equipment from a serving base station associated with a source cell, a reconfiguration message that includes a target cell configuration for a target cell, a configuration of a conditional handover execution condition, and information that indicates that the user equipment should immediately decode and apply the target cell configuration upon receiving the reconfiguration message; and immediately decoding and applying, by the user equipment, the target cell configuration upon receiving the reconfiguration message, without waiting for the conditional handover execution condition to be fulfilled.

Abstract: The example embodiments of the invention provide at least a method and apparatus to perform determining, by a network node of a communication network, information including a conditional handover configuration and a target dual active protocol stack handover configuration for a handover of user equipment in the communication network, wherein the information includes at least one triggering condition associated with the handover to be met for application of the target dual active protocol stack handover configuration for the handover; and sending toward the user equipment the information for use by the user equipment with the handover.

Abstract: Inter-alia, a method is disclosed comprising: obtaining measurement configuration information indicative of a measurement configuration for a measurement on at least one target secondary cell of a mobile communication network, executing a handover to a target cell, and, before and/or during executing the handover, starting a measurement on at least one target secondary cell based, at least in part, on the measurement configuration information. Further, a method is disclosed comprising: receiving, from a target node, target secondary cell information indicative of at least one target secondary cell, upon reception of the target secondary cell information, transmitting a measurement configuration information indicative of a measurement configuration for a measurement on at least one target secondary cell based, at least in part, on the target secondary cell information. It is further disclosed an according apparatus, a computer program and a system.

Abstract: An apparatus, method and computer program product for: interfacing with at least a first radio access network function and a second radio access network function, sending a first message to the first radio access network function and a second message to the second radio access network function, the first message and the second message comprising a request to report information based on at least one criterion, receiving the reported information from the first radio access network function and the second radio access network function, and grouping the reported information and providing the grouped information to at least one radio access network optimization algorithm.

Abstract: Techniques for paging with non-homogenous network slice support in area network are provided. For example, a method of paging of a user device is disclosed. The method comprises: receiving, by the user device, a paging message from a network node, the paging message comprising an index which indicates the paging message to correspond to a network slice or a cell; and receiving, by the user device, data from the network slice or the cell.

Abstract: In accordance with example embodiments of the invention there is at least a method and apparatus to perform preparing a conditional cell change in a cellular communication network supporting dual connectivity, comprising: sending, by a master node of the cellular communication network, towards a first target secondary node a message comprising an indication of at least one primary cell of a secondary cell group cell of at least a second target secondary node prepared or to be prepared for a conditional primary cell of a secondary cell group change for a user equipment from a primary cell of a secondary cell group of a secondary node to a primary cell of a secondary cell group of at least a second target secondary node, wherein the message enables, at the first target secondary node, configuration of conditional primary cell of a secondary cell group change execution condition for at least one of the prepared primary cells of a secondary cell group of the at least one second target secondary node for condition

Abstract: Method comprising: monitoring whether a terminal receives a function depending on one or more pieces of information used for preparing and/or performing a handover and/or a conditional handover from a source cell to a target cell; obtaining the one or more pieces of information; determining a value of the function based on the obtained one or more pieces of information if the function is received; setting a first sampling rate for measurements, by the terminal, of a reference signal of the source cell and for measurements, by the terminal, of the reference signal of the target cell based on the value of the function.

Abstract: Apparatus and methods for processing information of Layer 1 measurements taken by a communication device are disclosed. In the processing information of timing of Layer 1 measurements is used to adapt the Layer 1 measurements with Layer 2 filtering.

Abstract: A method for use by a communication device, wherein the method comprises the steps of: receiving (S20) a handover command from one of a plurality of network cells which provides a communication service for the communication device, creating (S21) measurement data upon receiving the handover command, logging (S22) the measurement data and the end of the measurement after an execution condition to perform handover to another one of the plurality of network cells is fulfilled, and transmitting (S23) the logged measurement data to the other one of the plurality of network cells.

Abstract: The present subject matter relates to an apparatus for handover of a user equipment into a target base station of communication system, the apparatus comprising means, the means being configured for: in response to selecting the target base station for handover of the user equipment to the target base station performing a first handover method by at least: comparing a current set of cell measurements of the user equipment with reference sets of cell measurements for determining whether the target base station is a fake base station; performing a handover of the user equipment based on a determination that the target base station is not a fake base station.

Abstract: Systems, methods, and apparatuses for CHO recovery in NTN are provided. One method may include a UE selecting at least one cell of a NTN, determining whether the selected cell is a CHO candidate cell and, when it is determined that the selected cell is a CHO candidate cell, evaluating one or more CHO conditions. The evaluating may include: determining if a timer measuring a duration of a time window within which the UE is allowed to execute the CHO is running or if a distance between the UE and the selected cell is below a configurable threshold, determining if an expiration of the timer or the distance is within a defined offset, and/or determining if the selected at least one cell is within a chain of CHOs list. When it is determined that the CHO condition(s) are met, attempting the CHO procedure to the selected cell.

Abstract: Techniques for performing efficient L1/L2 mobility are provided. For example, a method in a user equipment (UE) connected to a serving cell, is provided. The method comprises receiving, from a first network node, a first reconfiguration message including a first base configuration common to a plurality of first cells served by the first network node and a plurality of first cell-specific configurations each related to one of the plurality of first cells to enable execution of a mobility procedure; and applying, upon execution of the mobility procedure, at least a cell-specific configuration for a first target cell from among the plurality of first cell-specific configurations to connect the UE to the first target cell.

Abstract: An apparatus, method and computer program is described comprising: obtaining signal measurements from a plurality of antenna panels of a user device at respective first sampling rates corresponding to each of the plurality of antenna panels, wherein a rate at which each of the plurality of antenna panels perform signal measurements is determined based on the respective first sampling rates; determining whether a first condition is satisfied or whether a second condition is satisfied, wherein at least one of the first condition or the second condition relates to a probability of an inbound handover; and increasing at least one of the respective first sampling rates to one or more respective second sampling rates in response to determining that the first condition is satisfied, or decreasing at least one of the first sampling rates to one or more respective third sampling rates in response to determining that the second condition is satisfied.

Abstract: There are provided measures for network-assisted fallback to contention-based random access.

Abstract: An apparatus has means for causing a random access message to be transmitted from a communications device to a target cell while the communications device is connected to a source cell and for receiving from the source cell information indicating that the random access message has been received by the target cell.

Abstract: It is provided a method comprising: checking if an indication indicates that a target cell is configured to store concurrently first and second configurations of a terminal, wherein the first configuration is based on a first conditional handover request, and the second configuration data set is based on a second conditional handover request; monitoring if the source cell intends performing a radio reconfiguration of the terminal after the source cell configured the terminal for the first conditional handover; canceling the first conditional handover if the source cell intends performing the radio reconfiguration and the indication does not indicate the concurrently storing; instructing the source cell to request the second conditional handover from the target cell if the source cell intends performing the radio reconfiguration and the indication indicates the concurrently storing.

Abstract: Various example embodiments relate to signaling and execution of a conditional handover in a dual connectivity system. Different conditional handover connectivity configurations may be provided for a client node such that an appropriate connectivity configuration can be selected at the time of triggering execution the conditional handover. Apparatuses, methods, and computer programs are disclosed.