Abstract: Systems and methods for restricting a number of primary secondary cells (or primary cells in a secondary cell group) (PSCells) in a Mobility History Information (MHI) managed by a wireless device are disclosed. In some embodiments, a method performed by the wireless device for restricting a number of stored PSCells in MHI comprises storing PSCell history information in memory of the wireless device for a maximum number of PSCells. The PSCell history information is part of MHI stored for the wireless device. In response to the number of PSCells exceeding the maximum number of PSCells, the method further comprises removing at least some of the stored PSCell history information from the memory of the wireless device.

Abstract: Methods for managing quality-of-experience, QoE, measurements by a user equipment, UE. A first example method, carried out by a first radio access network, RAN, node, comprises transmitting (1010), to a second node in the RAN, configuration information for one or more RAN-visible QoE measurements configured for the UE by the first node. The second node may be associated with the first node with respect to at least one of: changing a configuration for the UE for multi-connectivity; mobility for the UE; RRC resume or RRC reestablishment for the UE; and switching transfer of data for the service from a path going to the UE via the first RAN node to a path going to the UE via the second RAN node.

Abstract: Techniques for managing quality-of-experience (QoE) measurements by a user equipment (UE). An example method, in a first node in a radio access network (RAN), comprises transmitting (1010), to a second node in the RAN, status information for measurements associated to one or more QoE measurements configured for the UE by the first node. The second node may be associated with the first node with respect to at least one of the following: changing a configuration for the UE for dual connectivity; mobility of the UE; RRC resume or RRC reestablishment of the UE; and switching the transfer of data for the service from a path going to the UE via the first RAN node to a path going to the UE via the second RAN node.

Abstract: Methods of operating a user equipment, UE, include storing mobility history information, MHI, independent of a radio resource control, RRC, state, wherein the MHI includes a cell identifier that is a serving cell and time information corresponding to how long the UE has stayed in the serving cell, logging public land mobile network, PLMN, specific MHI into the UE, and reporting at least a portion of the MHI to a network node. Analogous methods of operating a radio access network, RAN, node and core network node of a wireless communication system are also provided.

Abstract: Redirection and retry of registration is disclosed herein. In some embodiments, a User Equipment (UE) of a Next Generation Radio Access Network (NG-RAN) is adapted to transmit a Non-Access Stratum (NAS) registration request comprising one or more Single-Network Slice Selection Assistance Information (S-NSSAI), indicated as one or more requested S-NSSAI. The UE is further adapted to receive, in an Access Stratum (AS) protocol, an AS-level registration reattempt indication to instruct the UE to reattempt the NAS registration request in a target cell. The UE is also adapted to reattempt the NAS registration in the target cell, responsive to receiving the AS-level registration reattempt indication.

Abstract: Exemplary embodiments include methods performed by a central unit, CU, of a base station, for selecting a special cell, SpCell, to be used by a first distributed unit, DU, of the base station for serving a user equipment, UE. Such embodiments can include sending, to the first DU, a first request comprising an identity of a first cell, served by the first DU, as a preferred SpCell for the UE; and identities of one or more second cells served by the first DU. Such embodiments can also include receiving, from the first DU, a first response comprising a first indication that the first DU cannot configure the first cell as an SpCell for the UE, and a second indication that the first DU can configure zero or more third cells as an SpCell for the UE.

Abstract: According to some embodiments, a network node including a master node-distributed unit, MN-DU, and a MN-centralized unit, MN-CU, in communication with each other is provided. The network node includes processing circuitry configured to receive, at the MN-DU, first signalling that request for a master cell group, MCG, configuration associated with a wireless device to be modified, the first signalling indicating that the request for the MCG configuration modification is based at least on a change in secondary cell group, SCG, configuration associated with the wireless device, and modify, at the MN-DU, the MCG configuration based at least on the change in the SCG configuration associated with the wireless device.

Abstract: Embodiments include methods for beam-level mobility load balancing, MLB, in a radio access network, RAN. Optionally, such methods include receiving (1810) measurement reports from a plurality of user equipment, each measurement report comprising radio measurements related to a source beam associated with a source node and target beams associated with one or more target nodes. Such methods include exchanging (1820) beam-level load information with the target nodes and, based on the beam-level load information and (optionally) the reports, selecting (1830) one or more target beams, associated with a particular target node, for MLB operations with the source beam.

Abstract: A method, performed by a User Equipment (UE) in dual connected mode is provided. The method is for determining and transmitting an UpLink (UL) Packet Data Convergence Protocol (PDCP) delay. The UE is connected to at least two radio network nodes. The UE determines (430) the delay. The determined delay is associated with each of the radio network nodes to which the UE is connected. The UE then transmits (450), to at least one of the radio network nodes, the determined delay.

Abstract: A first network node and method therein for handling one or more services in a wireless communication network are disclosed. The first network node is configured to receive from a second network node an indication relating to application layer measurement configurations for one or more services for one or more wireless communication devices, determine a set of application layer measurement configurations for one or more wireless communication devices based on the received indication relating to application layer measurement configurations, and send the determined set of application layer measurement configurations or an indication of the determined set of application layer measurement configurations to the one or more wireless communication devices.

Abstract: Example embodiments presented herein are directed towards a wireless terminal and base station, and corresponding methods therein, for providing a handover for a subset of bearers associated with the wireless terminal. The subset of bearers is less than a total cumber of bearers associated with the wireless terminal. Thus, upon the completion of the handover procedure, at least one bearer will stay connected with a source base station.

Abstract: A communication device can operate in a wireless communication network. The communication device can detect a measurement report triggering event based on a measurement of a first reference signal received by the communication device and based on a measurement of a second reference signal received by the communication device. The first and second reference signals can be different. The communication device can further transmit a measurement report to the wireless communication network responsive to detecting the measurement report triggering event. The measurement report includes at least one of the measurement of the first reference signal and/or the measurement of the second reference signal.

Abstract: Embodiments include methods for a user equipment (UE) to perform radio-layer and application-layer measurements in a radio access network (RAN). Such methods include receiving the following from a RAN node: a first configuration of radio-layer measurements to be performed by the UE, a second configuration of application-layer measurements to be performed by the UE, and an indication that the radio-layer measurements and the application-layer measurements should be linked. Such methods include performing application-layer measurements related to one or more applications based on the second configuration, and performing radio-layer measurements based on the first configuration. At least a portion of the radio-layer measurements are performed concurrently with at least a portion of the application-layer measurements. Other embodiments include complementary methods for RAN nodes and network nodes or functions outside the RAN. Other embodiments include corresponding apparatus configured to perform these methods.

Abstract: Embodiments herein disclose, for example, a method performed by a first radio network node (12) for handling communication in a wireless communication network. The first radio network node transmits to a second radio network node (13), a request for retrieval of an update indication of measurement upon a potential resource aggregation of one or more cells controlled by the second radio network node (12).

Abstract: The present disclosure relates to a method performed by a network node for handling of one or more beam measurements in a communications system. The network node obtains information associated with a report configuration for one or more beam measurements from another node. Based on the obtained information, the network node provides, to a UE, instructions on how to provide a report of the one or more beam measurements to the network node. The network node obtains, from the UE and according to the instructions, the report of the one or more beam measurement, wherein the report includes information associated with executed one or more beam measurements.

Abstract: A computer implemented method for managing resources in a RAN of a communication network is disclosed. The method, performed by a first node in the RAN, comprises obtaining a record of resource status information describing usage, during a historical time period and within a coverage area of the first node, of RAN resources controlled by the first node (2102), and using an ML process to predict, based on the obtained record, resource status information describing usage of RAN resources controlled by the first node within a coverage area of the first node and during a future time period (2104). The method further comprises sending, to a second node in the RAN, a representation of the predicted resource status information (2106). Also disclosed is a method performed by a second node in which the second node uses a received representation of predicted resource status information for RAN resources controlled by a first node in a process relating to management of RAN resources controlled by the second node (2304).

Abstract: A method of operating a UE in a wireless communication network, includes obtaining time sharing configuration for quality of experience (QoE) measurements. The method further includes performing QoE measurements time divided between multiple applications and/or multiple application data flows processed by the UE, wherein the QoE measurements are time divided based on the time sharing configuration. Another related method of operating a network node in a wireless communication network, includes generating a time sharing configuration defining time divided QoE measurements to be performed by a UE for multiple applications and/or multiple application data flows processed by the UE, and providing the time sharing configuration to the UE.

Abstract: Systems and methods for activating intelligent wireless communication device reporting in a wireless network are disclosed. Embodiments of a method performed by a wireless communication device for machine-learned optimization of wireless networks is proposed. In one embodiment, the method includes sending, to a network node, information that indicates one or more capabilities of the wireless communication device for reporting of predicted values that are predicted by the wireless communication device using one or more machine learning capabilities of the wireless communication device. The method further includes receiving, from the network node, a request. The request includes (a) a request to start reporting predicted values, (b) a request to start training a machine learning model for generating predicted values, or (c) both (a) and (b). The method further includes performing one or more actions in response to receiving the request.

Abstract: Methods and apparatuses for a user equipment, UE, to report radio link failure, RLF, in a wireless network, said methods include sending, to a radio network node, RNN, in the wireless network, a first message including: a first RLF report related to an RLF that occurred in a cell of the wireless network, and a second indication of availability of one or more further RLF reports stored by the UE. The methods further include receiving, from the RNN, a second request for at least a portion of the stored RLF reports indicated by the second indication and sending, to the RNN, a second response including a second RLF report of the stored RLF reports. The apparatuses are configured to perform such methods.

Abstract: Embodiments herein relate to a method performed by a network node for handling communication in a wireless communication network comprising a first radio network node and a second radio network node providing dual connectivity to a UE (10). The network node calculates an average delay of a packet transmission, wherein weighting is applied to a number of packets respectively sent via the first radio network node and the second radio network node when no packet duplication is applied, and wherein weighting is further applied for a respective delay calculation for one or more periods or packets with duplication, and the periods or packets without duplication.