Abstract: Systems and methods are disclosed for enhancements to Mobility Robustness Optimization (MRO) in case of Radio Link Failure (RLF) after successful (conditional) handover. In one embodiment, a method performed by a wireless device comprises receiving a handover (HO) configuration or conditional handover (CHO) configuration from a source cell and declaring a RLF in association with a HO or CHO to a target cell. The method further comprises generating a RLF report responsive to declaring the RLF, the RLF report comprising the HO configuration or CHO configuration, a successful HO report, information about one or more associated time durations, one or more radio link measurements for one or more CHO candidate cells associated to the CHO configuration received from the source cell, or any combination thereof. The method further comprises transmitting the RLF report to a network node.

Abstract: Methods performed by a wireless device for communicating in a wireless communication network are provided. The method comprises receiving a signal comprising an indication to transmit one or more measurement reports from a first network node or a second network node, where each measurement report is associated with a measurement configuration out of one or more measurement configurations. The method further comprises transmitting the one or more measurement reports to the first network node or to the second network node. Corresponding methods performed by a network node for communicating in a wireless network are also provided.

Abstract: Embodiments include methods for a user equipment (UE) operating in a wireless network. Such methods include, while operating in a non-connected state in the wireless network, obtaining system information (SI) broadcast in each of a plurality of cells visited by the UE and, for each of the visited cells, determining one or more SI hash values for the SI broadcast in the visited cell. Such methods also include sending, to a network node in the wireless network, at least a portion of the determined SI hash values as mobility history information (MHI). Other embodiments include complementary methods for a network node, as well as UEs and network nodes configured to perform such methods.

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: A method, system and apparatus are disclosed. According to one or more embodiments, a network node for communicating with a wireless device is provided. The network node includes processing circuitry configured to: indicate a plurality of sets of parameters for IDLE/INACTIVE mode mobility parameters, and indicate one of the plurality of sets of parameters for the wireless device to implement.

Abstract: A method, system and apparatus are disclosed for L1/L2—centric mobility—neighbor cell measurements. In one embodiment, a method implemented in a wireless device, WD, includes receiving a measurement configuration to perform at least one neighbor cell measurement, the measurement configuration indicating a first group of PCIs; performing the at least one neighbor cell measurement based on the measurement configuration, for the first group of PCIs; and triggering an event based on the at least one neighbor cell measurement for the first group of PCIs. In one embodiment, a method implemented in a network node includes transmitting a measurement configuration indicating a first group of PCIs; and receiving a report as a result of an event that is triggered based on the at least one neighbor cell measurement for the first group of PCIs.

Abstract: Embodiments herein relate to a method performed by a network node (110) for handling signal quality variations for a UE (120). The network node (110) predicts a future signal quality variation indicative of a path of movement for a second UE (120b) being served by the network node (110). The predicting is based on historical data of previous signal quality variations for one or more first UEs (120a) having been served by the network node (110). The historical data of previous signal quality variations is indicative of a path of movement of the one or more first UEs (120a). The network node (110) determines to change a network configuration for the second UE (120b) based on the predicted signal quality variation. The network node (110) initiates the change of the network configuration for the second UE (120b). Embodiments herein further relate to a method performed by a UE (120a, 120b) for handling signal quality variations for the UE (120a, 120b).

Abstract: Embodiments herein relate to a method performed by a UE (10) for handling one or more measurements in a wireless communications network. The UE (10) logs, when one or more conditions are fulfilled, a measurement associated to a last serving cell after entering an any cell-selection state, wherein the one or more conditions comprise, the last serving cell belongs to a PLMN, said PLMN is configured in the UE (10) in a list of PLMN identities in a logged MDT configuration.

Abstract: According to certain embodiments, a method performed by a wireless device (110) for measurement reporting includes sorting a plurality of measurements for a measurement report based on at least one measurement quantity. The method further includes reporting, to a network node (160), measurement information selected from the plurality of measurements sorted based on the at least one measurement quantity.

Abstract: A communication device in a communications network receives a conditional handover configuration (“CHO”) from a first network node. The CHO can include an indication of a second network node. The communication devices stores the CHO. Subsequent to storing the CHO, the communication device determines a radio link failure (“RLF”) associated with the first network node or a handover failure (“HOF”) associated with a handover procedure towards the second network node. Subsequent to determining the RLF or the HOF, the communication device selects a third network node while a timer is running. The communication device transmits an indication to the third network node indicating that the communication device selected a cell hosted by the third network node as part of a cell selection procedure while the timer was running.

Abstract: A communication device can be in a communications network that includes a first cell, a second cell, and a third cell provided by one or more network nodes. The communication device determines a radio link failure (“RLF”) associated with the communication device occurred in the second cell. The communication device can, responsive to determining that the RLF occurred, generate a RLF report including information based on at least one of the following: 1) whether a cell selection related timer was running while the communication device entered the second cell; and 2) whether configuration for a last executed handover was received by the communication device while connected to the first cell, the first cell being the previous cell to which the communication device was connected before connecting to the second cell. The communication device can transmit the RLF report to the third cell.

Abstract: A method of operating a user equipment, UE, according to some embodiments includes receiving a handover, HO, command, to perform a handover to a target cell, wherein the HO command includes a mobility configuration for lower layer mobility associated to multiple physical cell identities, PCIs, configured for the target cell, and applying the HO command including the mobility configuration. A method of operating a first network node includes receiving a HO request from a second network node to handover a UE to the first network node, the HO request including measurement information associated to multiple cells or multiple PCIs associated to the first network node, generating a HO command that includes a mobility configuration for lower layer mobility associated to multiple PCIs configured for the target cell, and transmitting the HO command to the second network node for delivery to the UE.

Abstract: A method, performed by a wireless device (130). The method is for handling a failure in a mobility procedure by the wireless device (130) from a first network node (111) to a second network node (112). The wireless device (130) operates in a wireless communications network (100). The wireless device (130) sends (305), to a third network node (113) serving the wireless device (130) in the wireless communications network (100), one or more indications indicating the failed mobility procedure. The one or more indications comprise at least a first indication. The first indication indicates whether a previous indication that indicated to the wireless device (130) to perform a last completed mobility procedure was received by the wireless device (130) via a Layer 1/Layer 2 operation or via a Layer 3 operation.

Abstract: A method for reporting radio link failure (RLF) information. The method includes a user equipment (UE) detecting an RLF with respect to a master cell group (MCG). The method also includes, in response to detecting the RLF with respect to the MCG, the UE storing RLF information. The method also includes the UE sending a first message comprising MCG failure information (e.g., the RLF information) and activating a timer. The method also includes the UE receiving a second message after sending the first message and activating the timer. The method also includes the UE, in response to receiving the second message, determining that a condition is satisfied, wherein determining that the condition is satisfied comprises at least determining that the timer is still running. The method also includes, as a result of determining that the condition is satisfied, the UE deleting the RLF information.

Abstract: Systems and methods are disclosed that relate to radio link failure reporting with an indication that indicates whether a last successfully completed handover was for voice fallback purposes. In one embodiment, a method performed by a User Equipment (UE) comprises receiving, from a first network node belonging to a first radio access technology, a configuration to perform a handover to a second network node belonging to a second radio access technology, the configuration comprising an indication that indicates that the handover is for voice fallback purpose. The method further comprises connecting to a cell served by the second network node and, responsive to declaring a radio link failure in the cell served by the second network node and the indication, storing information associated to the radio link failure in a report, the information comprising an indication that a last completed handover was for voice fallback purpose.

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: A method of operating a wireless device may be provided. A wireless device may receive a release message from a network node of a radio access network. The release message may include an identification of a redirected carrier. In response to the release message omitting synchronization block related parameters for the redirected carrier, the wireless device may check in measurement information configured for the wireless device for the synchronization block related parameters for the redirected carrier; and may perform synchronization signal measurements for the redirected carrier using the synchronization block related parameters in the measurement information.

Abstract: A method, system and apparatus are disclosed. A wireless device (WD) configured to communicate with a network node is described. The WD is configured with a dual connectivity (DC) configuration including one or more parameters usable by the WD to communicate using a master cell group (MCG) and a secondary cell group (SCG). The WD is configurable with a fast MCG link recovery configuration and is configured to determine a failure of the MCG has occurred and determine a failure of an MCG recovery procedure has occurred. The WD is further configured to, in response to determining the failure of the MCG recovery procedure has occurred, store information related to a reason for the failure of the MCG recovery procedure and cause transmission of the stored information to the network node.

Abstract: A method, network node, and computer program are provided for operating the network node in a communications network. For each of a number (N(T)) of respective samples over a period of time (T), a respective number (M11,j(T)) of physical resource blocks (PRBs) for a first communication device for the respective sample is determined. For each of the number (N(T)) of respective samples over T, a respective number (L1,j(T)) of multiple input multiple output, MIMO, layers scheduled for the first communication device for the respective sample is determined. A PRB usage value is determined for T based on the respective number (M11,j(T)) of PRBs for the first communication device for each of the number (N(T)) of respective samples over T and based on the respective number (L1,j(T)) of MIMO layers scheduled for the first communication device for each of the number (N(T)) of respective samples over the period of time (T).

Abstract: A method is performed by a user equipment. The method comprises logging information related to a small-data transmissions procedure performed by the user equipment in a report. The method further comprises transmitting the report to a network node.