Abstract: A method performed by a first network node includes generating a data volume report based on one or more characteristics associated with data communicated between the first network node and a user equipment. The one or more characteristics identify that the data volume report is to be generated on at least one of a per Data Radio Bearer basis and a per Quality of Service basis. The data volume report is transmitted to a second network node. The data volume report further includes an indication of a radio access technology type associated with the data volume report.

Abstract: Examples of this disclosure include a method performed by a wireless device for determining security keys. The method comprises, for each candidate primary secondary cell (PSCell) of a plurality of candidate PSCells for conditional addition or conditional change by the wireless device for dual connectivity, receiving, from a network node, a respective value associated with the candidate PSCell, wherein the value associated with the candidate PSCell is different to the value associated with at least one other candidate PSCell. The method also comprises determining, for each of at least one candidate PSCell of the plurality of candidate PSCells, a respective security key for communications between the wireless device and the candidate PSCell, wherein the respective security key is determined based on a master key and the respective value associated with the candidate PSCell.

Abstract: A method and apparatus for estimating a distance between a motor vehicle and an external object, the vehicle being equipped with at least one camera for capturing digital images in a capture field, the vehicle having an onboard calculation device adapted to calculate estimated characteristics of at least one external object located in the capture field, including, for each external object, first estimated-position information about the object. A parameterized calculation engine takes as an input the estimated characteristics and provides second corrected-position information about the external object, used to estimate the distance between the motor vehicle and the external object. The values of the parameters of the calculation engine are obtained in a prior learning phase, taking into account, for each external object, the characteristics estimated on the basis of the digital images and reference points obtained by at least one remote detection sensor.

Abstract: A method of operating a wireless device (300) is described. The method includes providing (1001) a connection with a source access node. The method also includes receiving (1005) a handover command from the source access node while providing the connection with the source access node. The method also includes establishing (1009) a connection with a target access node responsive to receiving the handover command. The method further includes transmitting (1019) uplink data to the source access node after establishing the connection with the target access node. Related wireless devices are also discussed.

Abstract: Embodiments herein relate to, for example, a method performed by a master node (12) for handling communication in a wireless communication network (1). The masternode obtains UHI related to a PCell of a user equipment, UE, (10), and further obtains, from a secondary node (13) further UHI related to a connected PSCell of the UE (10). The master node then correlates the obtained UHI and the obtained further UHI into a list of related PCells and PSCells.

Abstract: According to certain embodiments, a method (1800) by a MN (160, 54, 64) includes transmitting (1802), to a T-SN (160, 56, 66), a request message requesting the addition or modification of the T-SN. The message indicates at least one of a number of requested PSCells to be configured by the T-SN and a maximum number of PSCells to be configured by the T-SN. The MN receives, from the T-SN, an indication of a plurality of target candidate PSCell configurations to configure for a wireless device (110, 52, 62).

Abstract: Methods performed by a first node in a radio access network (RAN) for mobility of a user equipment (UE) served by a second node in the RAN. Such methods include receiving (1310), from the second node, a request for a mobility procedure for the UE towards at least one candidate target cell associated with the first node. Such methods include determining (1320) if the UE can be accepted for the requested mobility procedure and, if so, allocating resources to support mobility of the UE. Such methods include transmitting (1330), to the second node, a response that includes a configuration for the mobility procedure and indicates the UE can be accepted unless a cancelling message is subsequently received from the second node. Such methods include determining (1350) that the configuration is no longer valid, and transmitting (1360), to the second node, an indication that the configuration is no longer valid.

Abstract: A method performed by a first network node operating as a Master Node (MN) for a user equipment (UE) configured with Multi-Radio Dual Connectivity, includes receiving a first request for conditional PSCell change (CPC) for the UE from a source secondary node (S-SN), the first request indicating a plurality of candidate cells for PSCell configuration, and transmitting a second request for CPC to a candidate target secondary node (T-SN), the second request indicating one or more candidate cells of the plurality of candidate cells for PSCell configuration that are served by the T-SN. The method further includes receiving a response from the T-SN indicating that a subset of the identified candidate cells were accepted by the T-SN and/or identifying a new candidate cell for CPC for the UE, and determining whether or not to configure the UE with CPC based on the response from the T-SN.

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: Systems and methods are disclosed herein that relate to inter-Secondary Node (SN) conditional cell change and measurement configuration. In one embodiment, a method for configuring measurements related to inter-SN conditional reconfiguration comprises, at a Source Secondary Node (S-SN), sending, to a Master Node (MN), a first message comprising an indication that the first message is for conditional reconfiguration and information about one or more target candidate cells of a target candidate SN. The method further comprises, at the MN, receiving the first message from the S-SN and sending a second message to the target candidate SN, the second message being a request for SN addition and comprising an indication that the second message is for conditional reconfiguration and information about the one or more target candidate cells of the target candidate SN.

Abstract: There is provided a method performed by a wireless device capable of operating according to Multi-Radio Dual Connectivity, MR-DC. The method comprises receiving (2201) one or more Radio Resource Control, RRC, reconfiguration messages comprising at least one conditional configuration for a target candidate cell of a Source Secondary Node, S-SN, for the MR-DC, and at least one conditional configuration for a target candidate cell of a candidate Target Secondary Node, T-SN, for the MR-DC; monitoring (2203) one or more conditions; and transmitting (2205) a message to a Master Node, MN, when the one or more conditions are fulfilled.

Abstract: Embodiments herein relate to, e.g., a method performed by a source access node relating to handover of a UE. The source access node sends to a target access node, an initial handover preparation message with a first explicit indicator for the target access node to request an enhanced Make-Before-Break Handover. The source access node receives an handover preparation response message from the target access node, with a second explicit indicator accepting or rejecting the requested enhanced Make-Before-Break Handover. Further, the source access node selects a possible fallback mechanism, upon reception of the handover preparation response message from the target access node indicating rejection or no support of enhanced Make-Before-Break Handover.

Abstract: A method, system and apparatus are disclosed. According to one or more embodiments, a network node including a target central unit, CU, the target CU including a CU-CP, and a CU-UP, that are in communication with each other via at least one interface is provided. The network node configured to identify a handover request associated with an inter-system handover, determine a configuration for the CU-UP to one of add and omit a service data adaptation protocol, SDAP, header for at least one inter-system data packet that is to be transmitted to a wireless device and cause transmission of at least one message over the interface where the at least one message configured to initiate a bearer context procedure, indicate that the bearer context procedure is associated with the inter-system handover, and indicate the configuration of the CU-UP.

Abstract: The invention concerns MR-DC (multi-radio dual connectivity) in which a UE is connected to a master node (MN) and secondary nodes (SN). In a Conditional PSCell Change (CPC)—i.e. a PS-Cell Change which is executed by the UE when an execution condition is met—a source secondary node, S-SN, may send a cancellation indication to a master node, MN, when said S-SN desires cancellation of a CPC configuration. Subsequently, the MN transmits a cancellation indication to the target candidate SNs configured with CPC.

Abstract: Systems and methods are disclosed herein for handling Conditional Primary Secondary Cell (PSCell) Change (CPC) upon Secondary Node (SN) release. In one embodiment, a method performed by a Master Node (MN) for SN release for a User Equipment (UE) that is operating in Multi-Radio Dual Connectivity (MR-DC) and configured with CPC comprises determining that a SN for a UE that is operating in MR-DC and configured with CPC is to be released. The method further comprises, responsive to determining that the SN for the UE that is operating in MR-DC and configured with CPC is to be released, sending a first message to a target SN (T-SN) associated with a CPC configuration for the UE, the first message being indicative of a CPC cancellation, and sending a second message to the UE, the second message comprising an explicit or implicit indication that the UE is to release the CPC configuration.

Abstract: Systems and methods are disclosed herein for cancellation of Conditional Primary Secondary Cell (PSCell) Addition (CPA) in a cellular communications network. In one embodiment, a method performed by a secondary node comprises receiving a request from a master node for a conditional secondary node addition, the request comprising information that indicates a request for CPA for one or more PSCells. The method further comprises transmitting, to the master node, a response to the request that confirms that a User Equipment (UE) may be accepted for CPA for the one or more PSCells unless a canceling indication is later received and sending, to the master node, a message that indicates that the CPA is cancelled for at least one of the one or more PSCells. In this manner, the secondary node to cancel an already prepared CPA.

Abstract: A method (800) performed by a T-SN for cancelling a conditional PSCell, change (CPC). The method includes the T-SN receiving (s802) a request for a CPC configuration for a UE, wherein the request was transmitted by a first network node (NN), and the UE is connected to the first NN and is also connected to a second NN. The method also includes the T-SM transmitting (s804) to the first NN a response to the request, the response including the CPC configuration for the UE. The method further includes, after transmitting the response, the T-SN transmitting (s806) to the first NN a cancellation indication indicating that the CPC configuration for the UE is cancelled.

Abstract: Embodiments herein relate to, e.g., a method performed by a source access node relating to handover of a UE. The source access node sends to a target access node, an initial handover preparation message with a first explicit indicator for the target access node to request an enhanced Make-Before-Break Handover. The source access node receives an handover preparation response message from the target access node, with a second explicit indicator accepting or rejecting the requested enhanced Make-Before-Break Handover. Further, the source access node selects a possible fallback mechanism, upon reception of the handover preparation response message from the target access node indicating rejection or no support of enhanced Make-Before-Break Handover.

Abstract: Conditional configuration in a wireless communication network is disclosed. A method performed by a wireless device (12) comprises receiving, from a first network node (14), conditional configurations (16-1...16-N) of candidate target cells (18-1...18-N) that are respectively provided by candidate target network nodes (22-1...22-N). The method also comprises transmitting, to the first network node (14), a message (20) and an identifier associated with one of the candidate target network nodes (22-1...22-N) towhich the message (20) is destined.

Abstract: A UE method includes receiving an RRC reconfiguration message, RRCReconfiguration, from a master node. The RRCReconfiguration message includes a secondary cell group, SCG, measurement configuration comprising a configuration of at least one measurement identifier referred in an execution condition for a conditional primary secondary cell, PSCell, change, CPC. The SCG measurement configuration is included within another RRC reconfiguration message, RRCReconfiguration***, to be applied by the UE upon reception; and at least one conditional reconfiguration for CPC, the conditional reconfiguration comprising for a target candidate cell of a candidate target-secondary node: the SCG configuration; and the execution condition for CPC, where the UE is to apply the SCG configuration upon fulfillment of the execution condition for CPC. The UE applies the reconfiguration message and the SCG measurement configuration, within the RRCReconfiguration*** message.