Abstract: A method performed by a wireless device includes obtaining User Plane (UP) information comprising at least one Handover (HO) interruption time. The at least one HO interruption time is associated with a first packet of a plurality of duplicate packets received by the wireless device. The wireless device transmits, to a network node, a report associated with a handover of the wireless device, the report comprising the UP information comprising the at least one HO interruption time associated with the first packet of the plurality of duplicate packets received by the wireless device.

Abstract: Systems and methods are disclosed herein for reporting of Primary Secondary Cell (PSCell) change in mobility history information. In one embodiment, a method performed by a wireless device comprises generating a report that comprises mobility history information, the mobility history information comprising, for a certain Primary Cell (PCell), with which the wireless device is or was configured, information related to one or more Secondary Node (SN) related operations. The information related to the one or more SN related operations comprises information that indicates whether the wireless device was configured with a SN or not while being configured with the certain PCell. The method further comprises sending the report to a network node. The Master Node (MN), for example, can use this information to understand the coverage of the SN and, based on this, enable faster Dual Connectivity (DC) setup.

Abstract: A method performed by a wireless device includes declaring a radio link failure (RLF) in a source cell of a source network node during a dual active protocol stack handover (DAPS HO) from the source cell of the source network node to a target cell of a target network node. The wireless device stores information associated with the DAPS HO and information associated with the RLF. The wireless device transmits the information to an access node.

Abstract: A method performed by a first network node includes obtaining information associated with a Self Organizing Network (SON) report associated with a wireless device. The first network node determines that the information associated with the SON report is associated with a cell that is not served by the first network node. In response to determining that the information associated with the SON report is associated with the cell that is not served by the first network node, the first network node takes at least one action that includes deleting the information and/or transmitting the information to a second network node.

Abstract: Embodiments includes methods for a wireless device configured for sidelink communication. Such methods include obtaining a packet of data for sidelink transmission. The packet is associated with a first QoS requirement of a first type and with a second QoS requirement of a second type. Such methods include mapping the packet to one or more of the following: a first LCG based on a first mapping between at least one QoS requirement of the first type and a first portion of a plurality of available LCGs, including the first LCG; and a second LCG based on a second mapping between at least one QoS requirement of the second type and a different second portion of the available LCGs, including the second LCG. Such methods include transmitting, to a radio network node, a sidelink BSR that indicates available data for the one or more LCGs to which the packet was mapped.

Abstract: A method in a communication device having a plurality of protocol layers including a media access control, MAC, layer and a physical, PHY, layer, includes, at the MAC layer, selecting a plurality of carriers for carrier aggregation, each of the carriers being associated to a respective hybrid automatic repeat request, HARQ, entity, and at the MAC layer, initiating a sidelink carrier reselection process by the first communication device in response to a triggering event. Related devices and computer program products are disclosed.

Abstract: A method is performed by a target Central Unit (CU) during a handover of a migrating node from source CU and source Distributed Unit (DU) to the target CU and a target DU. The method includes transmitting, to the target DU, a first handover command for at least one child node of the migrating node being handed over from the source CU and source DU to the target CU and target DU.

Abstract: A method performed by a child Integrated Access Backhaul (IAB) node that comprises a IAB-Mobile Termination, IAB-MT includes transmitting, to a network node operating as a parent node with respect to the child IAB node, a Radio Resource Control (RRC) setup request message comprising an IAB indication that indicates that the transmission to the network node is by the child IAB node comprising the IAB-MT.

Abstract: A radio device receives a first message from a further radio device. The first message indicates an intention of the further radio device to perform a device-to-device radio transmission on a set of radio resources. The radio device determines a status of the set of radio resources. In response to the first message, the radio device sends a second message comprising an indicator which indicates the determined status of the set of radio resources in terms of at least three levels.

Abstract: Embodiments include methods for an integrated access backhaul (IAB) node in a wireless network to migrate from a first centralized unit (CU) to a second CU. Such methods include receiving a handover command from the first CU via a source parent IAB node. The handover command includes an identifier of a target cell for the handover. Such methods include determining that the handover command is for an inter-CU migration of the IAB node to the second CU and, based on determining that the handover command is for an inter-CU migration, performing modified handling of uplink and/or downlink data buffered at the IAB node until execution of the handover command. Embodiments also include complementary methods for handling migration of a child IAB node from a first CU to a second CU, as well as IAB nodes configured to perform such methods. FIG. 17 is selected for publication.

Abstract: A network node (1700) configured to operate as a source network node (32) of a reconfiguration procedure transmits signaling to a target network node (34) of the reconfiguration procedure. The signaling indicates (i) whether or not the target network node (34) is to provide feedback information (44) to the source network node (32) and/or (ii) which one or more types of feedback information (44) the target network node (34) is to provide to the source network node (32). Based on the received feedback information (44), the network node may train a model to predict predicted information, predict the predicted information using the model, and make a decision based on the predicted information.

Abstract: A network node (16) obtains, for each of one or more wireless devices, radio performance information (18) indicating measured radio performances that multiple cells respectively provided to the wireless device (20A) while the wireless device (20A) was simultaneously connected to the multiple cells in multi-connectivity operation under certain conditions. Based on the obtained radio performance information (18), the network node (16) builds a prediction model (24) which models radio performance that a cell will provide under one or more conditions. The network node (16) then makes or configures another network node to make decisions on mobility, scheduling and/or radio configuration of wireless devices based on the prediction model (24).

Abstract: According to some embodiments, a method performed by a wireless device comprises: determining (612) the wireless device should perform a connection reestablishment procedure; performing (614) a random access procedure related to the connection reestablishment procedure; and determining (616) whether the reestablishment procedure was successful. When the reestablishment procedure is determined to be successful, the method comprises: storing (618) a first set of information related to the establishment procedure; storing (620) a second set of information related to the establishment procedure, different from the first set of information, irrespective of whether the reestablishment procedure is determined to be successful; and transmitting (622) one or more reports that include the first set of information and the second set of information to a network node.

Abstract: Embodiments include methods for a user equipment to perform measurements on a plurality of target cells in a radio access network. Embodiments include receiving a measurement configuration relating to one or more radio resource operations and comprising first and second sets of conditions related to respective first and second target cells; and performing measurements of radio signals associated with the first target cell and/or the second target cell. Embodiments also include performing a radio resource operation toward the first target cell, based on a first determination that the measurements of the radio signals associated with the first target cell fulfill at least one condition of the first set. Embodiments also include performing the radio resource operation toward the second target cell, based on a second determination that the measurements of the radio signals associated with the second target cell fulfill at least one condition of the second set.

Abstract: Systems and methods related to balancing random access resources between 2-step Random Access Channel (RACH) and 4-step RACH. In one embodiment, a method performed by a first network node comprises obtaining information related to 2-step RACH and/or 4-step RACH, for cell(s) and/or beam(s) controlled by the first network node. The method further comprises determining, based on the obtained information, first assistance information for 2-step and/or 4-step RACH configuration, for the cell(s) and/or the beam(s) controlled by the first network node. The method further comprises transmitting, to a second network node, second assistance information for the 2-step and/or 4-step RACH configuration, for the cell(s) and/or the beam(s) controlled by the first network node. The second assistance information comprises the first assistance information or information that indicates one or more parts of the first assistance information.

Abstract: The invention relates to a method in a user equipment, UE, for performing handover to a target cell in a wireless network, the method comprising performing (1340) a first random-access, RA, procedure in first RA resources of the target cell, in response to failure of the first RA procedure, refraining (1350) from declaring a radio link failure, RLF, for the target cell and performing a second RA procedure in second RA resources of the target cell that are different from the first RA resources; and declaring (1370) a RLF for the target cell based on failure of the first RA procedure and a failure of the second RA procedure, or an expiration of a timer before successful completion of the second RA procedure; the invention further relates to a UE implementing the method, to a corresponding method in a network node and a network node implementing the method.

Abstract: Methods and apparatuses involve a network node (22) of a wireless communication network (10) and a wireless device (12) attempting redirection with respect to the network (10). An overall bound limits how many times or for how long the wireless device (12) attempts redirection and provides a mechanism for the wireless device (12) to extend its redirection efforts to one or more redirection targets beyond those indicated by the network (10).

Abstract: A method performed by a wireless device (12) comprises receiving (500), from a network node (18) in a wireless communication network (10), signaling (20) that indicates one or more report triggering measurement objects (22) and one or more report content measurement objects (24). The one or more report triggering measurement objects (22) are one or more objects of measurements whose results (22R) are to be evaluated by the wireless device (12) for determining whether to log or send a measurement report (16). The one or more report content measurement objects (24) are one or more objects of measurements whose results (22R) are to be reported by the measurement report (16). The signaling (20) is configurable to indicate at least one report content measurement object (24) that is different from each of the one or more report triggering measurement objects (22) indicated by the signaling (20).

Abstract: A method in a node is disclosed. The method comprises generating a tag for an associated data packet at a first layer, the generated tag indicating one or more parameters related to transmission of the associated data packet. The method comprises signaling the tag from the first layer to another layer. The method comprises mapping, at the another layer, the associated data packet to a logical channel based on the one or more parameters indicated by the tag, and selecting one or more resources for transmission of the associated data packet based on the mapping of the associated data packet to the logical channel.

Abstract: Embodiments include methods for a network node to configure random access by one or more user equipment, UEs, in a cell of the wireless network. Such methods include providing (2040) one of the following to one or more UEs operating in the cell: an artificial intelligence/machine learning, AI/ML, predictive model that includes one or more input parameters and corresponding one or more output parameters that are associated with random-access configurations for the cell; or one or more random-access configurations for the cell, each random-access configuration associated with one or more values of output parameters of the AI/ML predictive model. Such methods include detecting (2090) a random access to the cell, by a particular UE, according to a particular random-access configuration associated with particular values of the output parameters. Other embodiments include complementary methods for a UE, as well as network nodes and UEs configured to perform such methods.