Abstract: According to an example embodiment, a method of operating a node of a wireless communication network. An early measurement configuration is transmitted to a communication device. The early measurement configuration includes a received signal threshold for early measurement reports. A logged MDT measurement configuration is transmitted to the communication device. A release message is transmitted to the communication device. After transmitting the release message, a resume/setup message is transmitted to the communication device. After transmitting the resume/setup request message, a logged MDT measurement report is received from the communication device. The logged MDT measurement report includes a plurality of signal measurements for a respective plurality of frequencies, and the logged MDT measurement report includes the early measurement configuration. Related methods of operating a communication device, nodes, communication devices, and computer program products are also discussed.

Abstract: Embodiments include methods, by a first radio access network (RAN) node, for load balancing with a second RAN node. Such methods include receiving, from the second RAN node, one or more first indications related to resource aggregation capabilities for a plurality of cells served by the second RAN node. Such methods include determining one or more of the following based on the first indications: overall capacity available for offloading user equipment, UEs, to the plurality of cells; whether resources from the plurality of cells can be aggregated to meet service requirements of one or more UEs served by the first RAN node; and one or more UEs to be handed over to the second RAN node. Other embodiments include complementary methods by a second RAN node, as well as first and second RAN nodes configured to perform such methods.

Abstract: A method performed by a first base station, is described. The first base station determines a change in one or more measurements to be performed by a UE. The measurements are associated with a first set of frequencies. The first base station also transmits a first message to a second base station comprising information regarding which frequencies in the first set are to be changed. The first base station and the second base station serve the UE. A method performed by the second base station is also described whereby the second base station receives the first message. In a method performed by the UE, the UE receives, from the first base station, a configuration message configured to specify the measurements to perform and a measurement gap configuration. The UE then takes the measurements based on the configuration message.

Abstract: Methods performed by wireless device for filtering relevant early measurement results are provided. Operations of such methods include obtaining multiple idle/inactive measurement results while the wireless device is in an idle/inactive state and transitioning from the idle/inactive state to an active state. Operations may include, responsive to transitioning from the idle/inactive state to the active state, selecting a subset of the idle/inactive measurement results based on capabilities of frequencies associated with idle/inactive measurement results to be used by the wireless device. Operations may further include transmitting the subset of the idle/inactive measurement results to a network node in a wireless communication network.

Abstract: A wireless device (16) receives a control message (26) indicating a conditional configuration (28-1) that the wireless device (16) is to add, modify, or release for a link (20). The control message (26) includes configuration-specific information (30-1) that distinguishes the conditional configuration (28-1) from one or more other conditional configurations that are configurable for the link (20). The configuration-specific information (30-1) may for example includes a conditional configuration identifier that is unique at least among any conditional configurations configured for the link (20).

Abstract: According to some embodiments, a method performed by an integrated access and backhaul (IAB) donor control unit (CU) network node comprises obtaining a first mapping between a first traffic type and a first communication path. The first communication path is for communicating the first traffic type between the IAB donor CU network node and an IAB network node. The method further comprises transmitting the first mapping to the IAB network node.

Abstract: According to some embodiments, a method performed by a wireless device for performing early measurement comprises receiving an early measurement configuration for performing idle/inactive mode measurements. The early measurement configuration comprising a measurement carrier list. Each entry of the measurement carrier list comprises a carrier frequency and one or more cell identifiers associated with the carrier frequency for which the wireless device is to perform idle/inactive mode measurements. The early measurement configuration further comprises a validity area list, separate from the measurement carrier list. Each entry of the validity area list comprises a carrier frequency and zero or more cell identifiers associated with the carrier frequency for which the wireless device is supposed to perform idle/inactive mode measurements.

Abstract: Systems and methods are disclosed herein for configuration of multi-Radio Access Technology (RAT) early measurements. In one embodiment, a method performed by a wireless communication device comprises receiving system information from a first cell of a first network node and receiving a dedicated release message from the first cell comprising idle mode measurement configurations for a first RAT and/or a second RAT. The method further comprises performing a reselection to a second cell served by a second network node and receiving system information from the second cell comprising idle mode measurement configurations for the first RAT and/or for the second RAT. The method further comprises determining idle mode measurement configurations to be applied while in the second cell based on the idle mode measurement configurations comprised in the dedicated release message from the first cell and the idle mode measurement configurations comprised in the system information from the second cell.

Abstract: A method performed by a first base station, is described. The first base station determines a change in one or more measurements to be performed by a UE. The measurements are associated with a first set of frequencies. The first base station also transmits a first message to a second base station comprising information regarding which frequencies in the first set are to be changed. The first base station and the second base station serve the UE. A method performed by the second base station is also described whereby the second base station receives the first message. In a method performed by the UE, the UE receives, from the first base station, a configuration message configured to specify the measurements to perform and a measurement gap configuration. The UE then takes the measurements based on the configuration message.

Abstract: In one aspect, a wireless device is adapted to perform idle mode measurements. The wireless device performs and stores one or more radio signal measurements while in an idle mode or inactive state. The wireless device also deletes the stored radio signal measurements in response to any one of a number of events, such as receiving a RRC release message that does not include an idle mode measurement configuration, receiving an RRC release message while in RRC Connected state, receiving a handover message, or receiving a reconfiguration message adding a secondary cell for carrier aggregation.

Abstract: A method, system and apparatus for controlling reestablishment of integrated access and backhaul (IAB) nodes are disclosed. According to one or more embodiments, a first integrated access and backhaul (IAB) node is provided. The first IAB node includes processing circuitry configured to, responsive to receiving a radio link failure, RLF, indication from a second IAB node, consider at least the second IAB node to be at least temporarily unsuitable for camping on a cell of the second IAB node. The processing circuitry further configured to, responsive to the second IAB node being considered to be at least temporarily unsuitable for camping, cease to camp on the second IAB node for connection reestablishment.

Abstract: Embodiments include methods, performed by a master node (MN) in a radio access network, for establishing radio resources between a secondary node (SN) and a user equipment (UE). Such embodiments include sending, to the SN, a request identifying one or more QoS flows to be setup between the SN and the UE; and receiving, from the SN, a response including identification of one or more radio bearers that were admitted by the SN in association with the requested QoS flows. Such embodiments also include sending, to the SN, identifiers of one or more tunnels for forwarding downlink user-plane (DL UP) data over an interface between the SN and the MN. Each tunnel identifier is associated with a respective admitted radio bearer. Embodiments also include complementary methods performed by a SN, as well as network nodes configured to perform the various methods.

Abstract: According to some embodiments, a method for use in a user equipment (UE) of resuming a radio bearer in a wireless communication network comprises: establishing a radio resource control (RRC) connection with a first network node; receiving a connection suspend message from the first network node; storing a configuration of a radio bearer associated with the RRC connection; suspending the radio bearer associated with the RRC connection; receiving a connection resume message; determining whether the connection resume message includes configuration information for NR packet data convergence protocol (PDCP) for the suspended radio bearer; upon determining the connection resume message includes configuration information for a NR PDCP, configuring the suspended radio bearer with the configuration information; and resuming the suspended radio bearer.

Abstract: Embodiments include methods, performed by first node in an integrated access backhaul (IAB) network, for scheduling uplink (UL) transmissions in the IAB network. Such methods include receiving, from a first downstream node in the IAB network, a first buffer status report (BSR) indicating a first amount of UL data, with the first amount including UL data buffered at the first downstream node, and/or UL data expected to be received by the first downstream node. Such methods also include sending, to the first downstream node, a first UL resource grant indicating a time schedule of resources available for the first downstream node to transmit at least a portion of the first amount of UL data. In some embodiments, the first UL resource grant is sent after receiving the first BSR and without receiving a second UL resource grant from an upstream node in response to a second BSR.

Abstract: A user equipment receives multiple conditional reconfigurations associated with respective conditions. The user equipment is to execute a conditional configuration upon fulfillment of an associated condition. The user equipment accordingly executes one of the multiple conditional configurations upon fulfillment of an associated condition. The user equipment transmits, to a target radio network node, an indication that indicates which one of the multiple conditional reconfigurations the user equipment executed.

Abstract: Mapping Information for Integrated Access and BackhaulEmbodiments described herein relate to methods and apparatus for providing IAB mapping information. A method performed by CU-CP of a base station configured as a donor base station for one or more IAB nodes comprises transmitting a first message to setup or modify a first bearer context for a first bearer in a central unit user plane, CU-UP, of the base station, wherein the first message comprises an information element indicating mapping information for use in determining a mapping of the first bearer to a backhaul radio link control, BH RLC, channel.

Abstract: According to some embodiments, a method for use in a user equipment (UE) of resuming a radio bearer in a wireless communication network comprises: establishing a radio resource control (RRC) connection with a first network node; receiving a connection suspend message from the first network node; storing a configuration of a radio bearer associated with the RRC connection; suspending the radio bearer associated with the RRC connection; receiving a connection resume message; determining whether the connection resume message includes configuration information for NR packet data convergence protocol (PDCP) for the suspended radio bearer; upon determining the connection resume message includes configuration information for a NR PDCP, configuring the suspended radio bearer with the configuration information; and resuming the suspended radio bearer.

Abstract: Systems and methods are disclosed herein for resuming a connection of a wireless communication device suspension to a dormant state while the wireless communication device was operating in dual connectivity with a Master Cell Group (MCG) with a first network node and a Secondary Cell Group (SCG) with a second network node. In one embodiment, a method performed by the wireless communication device comprises receiving a connection resume message with an indication to restore the SCG of the wireless communication device, where the connection resume message comprises information that is mandatory when the connection resume message comprises an indication to restore the SCG. The information that is mandatory comprises information that triggers synchronization and random access towards a Primary SCG Cell (PSCell) (e.g., reconfigurationWithSync or mobilityControlInfoSCG). The method further comprises restoring the SCG in accordance with the connection resume message.

Abstract: A method for performing measurements in a wireless device is provided. The method comprises: storing a plurality of received measurement configurations, which are linked to each other; applying a first measurement configuration from the plurality of measurement of configurations; and determining whether to apply a second measurement configuration from the plurality of measurement configurations based on the first measurement configuration.

Abstract: Embodiments include methods, for a first centralized unit (CU) in a radio access network (RAN), to configure a user equipment (UE) to communicate via first and second distributed units (DUs). Such methods include initiating a first radio resource control (RRC) entity to communicate with the UE via a first RRC connection through the first DU, and selecting the second DU to communicate with the UE in a dual-connectivity (DC) configuration with the first DU. Such methods include performing one or more of the following based on determining the second DU is associated with the first CU: initiating a second RRC entity within the first CU to communicate with the UE via a second RRC connection through the second DU; and establishing one or more further radio bearers with the UE via the second DU. Other embodiments include methods for a UE, and CUs and UEs configured to perform such methods.