Abstract: A method performed by a network node for a telecommunications network for handling interference variations for a communication device is provided. The method includes configuring the communication device to measure on a set of resources and to build a machine learning, ML, model to predict a future interference measurement from the set of resources. The method further includes signaling a request to the communication device to provide a prediction of the future interference measurement on the set of resources. The method further includes receiving, from the communication device, at least one prediction of future interference on the set of resources. The method further includes changing a network configuration for the communication device based on the received at least one prediction of future interference.

Abstract: A method performed by a first network node operating in with a Radio Access Technology with split architecture. The first network node is a Distributed Unit. The first network node receives one or more second indications from a second network node, a Centralized Unit. The indications comprise: i) a positive or a negative acknowledgement of a configuration conflict between a first RACH configuration in a first cell being a served cell, and a second RACH configuration in a second cell, the second cell being a neighbour cell to the first cell, ii) CU RACH assistance information associated to the conflict, the information comprising the second RACH configuration, and/or iii) a first third RACH configuration for the first cell. The first network node then updates the first RACH configuration to a second third RACH configuration, based on the indications.

Abstract: Certain embodiments disclose systems, methods, and apparatus for establishing and using multiple Stream Control Transmission Protocol (SCTP) associations. An example method includes a network node establishing a first SCTP association and a second SCTP association for an application protocol connection with a core network node. The network node moves a user equipment (UE) associated signaling stream from the first SCTP association to the second SCTP association.

Abstract: Embodiments include methods performed by a first network node configured to operate in a radio access network (RAN). Such methods include determining a radio access technology (RAT)/Frequency Selection Priority (RFSP) index associated with a user equipment (UE) served by the first network node. Such methods include sending, to a second network node, a request for the second network node to establish dual connectivity with the UE as a secondary node (SN). The request includes the RFSP index. Other embodiments include complementary methods performed by the second network node, as well as network nodes configured to perform such methods.

Abstract: A wireless device registers with a first PLMN having a first PLMN identity. A first plurality of RA procedures is performed while registered with the first PLMN. First information related to the first plurality of RA procedures is stored. The wireless device registers with a second PLMN having a second PLMN identity different than the first PLMN identity after registering with the first PLMN and after performing the first plurality of RA procedures. The first information is discarded responsive to registering with the second PLMN. A second plurality of RA procedures is performed while registered with the second PLMN. Second information related to the second plurality of RA procedures is stored. An information message is transmitted to the second PLMN. The information message includes a plurality of RACH reports corresponding to the second plurality of RA procedures based on the second information.

Abstract: Systems and methods are disclosed herein for Quality of Experience (QoE) measurements handling at overload in a Radio Access Network (RAN) of a cellular communications system. In one embodiment, a method performed by a first RAN node for handling QoE measurement configuration and/or reporting during RAN overload comprises performing one or more actions related to one or more aspects of QoE measurement configuration, QoE measurement reporting, or both QoE measurement configuration and QoE measurement reporting that mitigate an RAN overload condition. In one embodiment, performing the one or more actions comprises performing one or more actions related to transfer of one or more aspects of QoE measurement configuration from the first RAN node to a second RAN node, transfer of one or more aspects of QoE measurement reporting from the first RAN node to the second RAN node, or both.

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 number 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: Systems and methods are disclosed that relate to Quality of Experience (QoE) measurement reporting in a cellular communications system having a split, or distributed, Radio Access Network (RAN) architecture. In one embodiment, a method performed in a RAN having a distributed RAN architecture comprises, at a control plane part of a central unit (CU-CP) of a base station of the RAN, sending one or more first messages to a user plane part of the central unit (CU-UP) to setup or modify one or more bearers and sending one or more second message to a distributed unit (DU) of the base station to setup or modify the one or more bearers.

Abstract: Embodiments include methods, for a first RAN node in a first RAN, for inter-system mobility load balancing with a second RAN node in a second RAN. Such methods include sending, to the second RAN node, a resource status request message that includes a reporting configuration with one or more of the following: one or more metrics, related to load and/or capacity, to be measured by the second RAN node; one or more triggering events for initiating reporting of the metrics; and a reporting format that defines how the respective metrics should be reported upon corresponding triggering events. Such methods include receiving from the second RAN node in response to the resource status request message: a resource status response message indicating successful configuration of at least a portion of the reporting configuration; or a resource status failure message indicating unsuccessful configuration for all of the reporting configuration.

Abstract: A first network node can operate in a communications network that includes a second network node. The first network node receives a message from the second network node. The message can include information associated with an event detected by a neighbor network node that is different than the first network node. The event can be related to channel measurements associated with the neighbor network node operating in the communications network. The first network node can determine a network issue associated with the communications network based on the information.

Abstract: A method, in a distributed unit (DU) of a base station comprising a central unit (CU) and one or more DUs, each DU serving one or more cells, comprises sending, to the CU, information indicative of capacity in the DU for sending segmented messages and/or indicative of a capability of the DU to send segmented messages. In some embodiments, the information is indicative of capacity in the DU for sending segmented Public Warning System (PWS) messages and/or indicative of a capability of the DU to send segmented PWS messages. In some embodiments, the method further comprises receiving, from the CU, a segmented PWS message in system information blocks (SIBs), each SIB carrying a segment of the PWS message, and broadcasting the SIBs.

Abstract: A first network node is configured for use in a wireless communication network. The first network node determines a modified configuration of a reference signal beam of a serving cell of the first network node. The first network node transmits a first indication to a second network node. The first indication comprises a configuration update message that describes the modified configuration of the reference signal beam of the serving cell.

Abstract: Systems and methods are disclosed herein that relate to Quality of Experience (QoE) measurement configuration and reporting in a cellular communications system during mobility. In one embodiment, a method performed by a User Equipment (UE) comprises receiving a QoE measurement configuration and a measurement duration time associated to the QoE measurement configuration, starting to perform QoE measurements in accordance with the QoE measurement configuration, starting a measurement duration timer upon starting to perform the QoE measurements, the measurement duration timer being initialized to the measurement duration time associated to the QoE measurement configuration, and continuing to perform the QoE measurements while the measurement duration timer is running. Embodiments related to the method of operation of a RAN node are also disclosed.

Abstract: A user equipment starts a first timer and a second timer in response to different respective network events. The starting of the first and second timers causes the first and second timers to simultaneously elapse. In response to one of the simultaneously elapsing timers expiring, the user equipment indicates, to a network node, which of the simultaneously elapsing timers expired.

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: Embodiments include methods, for a first radio access network node (RNN) in a wireless network, for configuring quality of experience (QoE) measurements by user equipment (UEs). Such methods include sending, to a UE connected to the first RNN, a QoE measurement configuration for one or more services provided by an application layer of the UE; and sending, to the UE, a configuration for access-layer multi-connectivity of the UE with a second RNN in the wireless network. Such methods also include receiving one or more QoE measurement reports, in accordance with the QoE measurement configuration, from at least one of the UE and the second RNN. The QoE measurement reports include measurements made by the UE while in multi-connectivity with the first and second RNNs. Embodiments also include complementary methods for a second RNN and a UE, as well as RNNs and UEs configured to perform such methods.

Abstract: Systems, methods, and apparatus for operating RAN and CN nodes are disclosed. An example method of operating a RAN node includes receiving, from a CN node, a PDU for a wireless device that is in an inactive state. The RAN node pages the wireless device in response to receiving the PDU from the CN node. The RAN node sends a non-delivery message to the CN node in response to failure of the paging for the wireless device, where the non-delivery message includes an indication that the wireless device is in the inactive state. An example method of operating a CN node includes the CN node sending a PDU for a wireless device to a RAN node. The CN node then receives a non-delivery message from the RAN node, where the non-delivery message includes an indication that the wireless device is in an inactive state.

Abstract: In one embodiment, a method performed by a network node for cell selection to access a network slice on a different frequency than a wireless device, WD, is currently served by is provided. The method includes receiving a service request from the WD, the WD being connected to a first cell, the first cell servicing a first network slice which operates in a first frequency, the requested service to be performed over a second network slice which operates in a second frequency; obtaining policy information relating to the first and the second network slices; determining which one of the first cell and a second cell to perform the requested service based at least in part on the obtained policy information; and providing a session for the WD to receive the requested service over the determined one of the first cell and the second cell.

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.