Abstract: An apparatus and a method are described by which, upon preparing a handover of a terminal device in a source cell, mobility information and at least one connected slice network slice identifier identifying at least one network slice used by the terminal device is added to a terminal device history of the terminal device, and the terminal device history is sent to a target cell for the handover.

Abstract: In accordance with some embodiments, a method may include transmitting, by a source network entity, at least one handover prepare request comprising at least one extension indication to a target network entity. The method may further include receiving, by the source network entity, in response to the at least one handover prepare request, at least one handover request response from the target network entity. The method may further include transmitting, by the source network entity, at least one handover command acknowledgement to at least one user equipment based upon the at least one handover request response.

Abstract: An apparatus, comprising at least one processor, and at least one memory storing instructions, the at least one memory and the instructions configured to, with the at least one processor, cause a user equipment to determine a first information characterizing a spatial separation of a radio cell associated with the user equipment with respect to at least two antenna panels of the user equipment.

Abstract: Apparatus and method in a communication system are disclosed. One or more measurement reports are received (400) from a terminal device. One or more reference signals are received and measured (402) from the terminal device. The accuracy of the one or more received measurement reports is determined (404) based on comparison of the measurement reports and measured the reference signals and/or statistical analysis of the measurement reports.

Abstract: A method, apparatus, and a computer-readable storage medium are provided for a coordinated receive (or transmit) pattern during a DAPS handover. In an example implementation, the method may include a UE sending a measurement report to a first network node, the measurement report including at least a request for a time division multiplexing pattern. The method may further include receiving a radio resource control configuration from the first network node, the radio resource control configuration including at least the time division multiplexing pattern.

Abstract: Systems, methods, apparatuses, and computer program products for configuring Channel State Information-Reference Signal (CSI-RS) resources of neighboring cells for inter-cell mobility are provided. One method may include providing, by a network node, at least one reporting configuration to one or more user equipment. The reporting configuration is based on at least one of channel state information reference signals (CSI-RS) or synchronization signal/physical broadcast channel (SS/PBCH) blocks. The method may also include receiving at least one measurement report comprising measurement results when and as specified by the at least one reporting configuration.

Abstract: Radio access network controller-based mobility optimization is disclosed. Mobility reports are received at a radio access network controller from multiple network node devices, each mobility report reporting at least one individual failure event to complement one or more aggregated mobility event counters and/or one or more aggregated performance measurement reports. The mobility reports are related to client devices in one or more service areas. The radio access network controller analyzes the received mobility reports. In response to the analyzing resulting in a perceived need for an update of a cell configuration of a service area of the one or more service areas, the radio access network controller determines updated cell configuration information for the service area. The updated cell configuration information is transmitted from the radio access network controller to-wards at least one network node device in the service area.

Abstract: Apparatuses and methods in a communication system is disclosed. The method comprises detecting (400) a beam failure event in a serving cell; and responsive to the detection of the beam failure event, transmitting (404) a beam failure recovery message and transmitting (406) a measurement report comprising mobility measurements related to the serving cell and at least one further cell.

Abstract: In a system, apparatus, method, and non-transitory computer readable medium for implementing fallback to conditional handover using a SSB reference signal, a UE device may be caused to, receive RRC reconfiguration information from a source RAN node, the RRC reconfiguration information including a SSB RS based CHO execution condition associated with at least one target cell controlled by a target RAN node, and a CSI-RS based CHO execution condition associated with the target cell(s), perform signal measurements of at least one SSB RS and at least one CSI-RS associated with the target cell(s), the at least one CSI-RS associated with a contention-free random access resource, and perform the CHO with the target cell(s) based on the signal measurement results of the at least one SSB RS, the at least one CSI-RS, the SSB based CHO execution condition, and the CSI-RS based CHO execution condition.

Abstract: An apparatus for use by a communication element or function configured to conduct a multi-connectivity communication in a communication network in which at least two communication links are used to at least two different cells formed by at least one network element or function for forming a communication path, the apparatus comprising at least one processing circuitry, and at least one memory for storing instructions to be executed by the processing circuitry, wherein the at least one memory and the instructions are configured to, with the at least one processing circuitry, cause the apparatus at least: to determine that a link failure recovery procedure for a first communication link with a first cell is conducted, to detect that a condition for performing a conditional cell change procedure for a second communication link to a second cell is met, which is to be conducted during the link failure recovery procedure for the first communication link, to execute a processing for controlling a timing for conducti

Abstract: The mobile device includes at least one memory storing computer program code and at least one processor configured to execute the computer program code and cause the mobile device to perform, initiating a time-to-trigger procedure for evaluating a measurement event condition with respect to a serving cell and/or a neighboring cell of a mobile network; storing information related to a beam, which is or was used by the mobile device at the time of initiating the time-to-trigger procedure; and providing the stored beam related information to the mobile network.

Abstract: Disclosed is a method comprising transmitting a beam switch request from a first distributed unit to a second distributed unit. The first distributed unit then receives a beam switch acknowledgment from the second distributed unit. The first distributed unit transmits a beam switch notification to a central unit, wherein the first distributed unit and the second distributed unit are at least partly controlled by the central unit. The first distributed unit further transmits a beam switch command to a terminal device.

Abstract: A method comprising, during multi-connectivity: sending a re-configuration message for execution by a user equipment; and sending a flag indicating an action to be taken by the user equipment during or after execution by the user equipment of an existing reconfiguration message, wherein the flag is configured to distinguish between at least two of the following actions: discarding the reconfiguration message; executing the reconfiguration message after executing an existing reconfiguration message; or prioritizing execution of the reconfiguration message over execution of an existing reconfiguration message.

Abstract: A method may include receiving a request for conditional handover from a source node. The method may also include sending a conditional handover request acknowledgment message in response to the request. The method may further include sending a conditional handover cancellation message to a source node. The conditional cancellation message may include a genuine cancellation or a modification-related cancellation. Further, the method may include receiving a response message from the source node in response to the conditional handover cancellation message. In addition, the method may include deciding to keep or release user equipment context based on the response message.

Abstract: The present invention provides a connection setup method, the corresponding user equipment, common central control node and communication system. A connection setup method performed by a user device, comprising: acquiring information transmitted by a plurality of cells; determining a plurality of candidate cells according to the information transmitted by the plurality of cells, sending a common connection setup request for the plurality of candidate cells to a common central control node, the common central control node corresponding to each of the plurality of candidate cells; receiving a common connection setup message for a plurality of connecting cells transmitted by the common central control node, the plurality of connecting cells being determined from the plurality of candidate cells by the common central control node, so that the user equipment establishes multiple radio connections through each of the plurality of connecting cells.

Abstract: Radio access network controller-based mobility optimization is disclosed. Mobility reports are received at a radio access network controller from multiple network node devices, each mobility report reporting at least one individual failure event to complement one or more aggregated mobility event counters and/or one or more aggregated performance measurement reports. The mobility reports are related to client devices in one or more service areas. The radio access network controller analyzes the received mobility reports. In response to the analyzing resulting in a perceived need for an update of a cell configuration of a service area of the one or more service areas, the radio access network controller determines updated cell configuration information for the service area. The updated cell configuration information is transmitted from the radio access network controller to-wards at least one network node device in the service area.

Abstract: According to an example embodiment, a method may include logging, by a user device in a wireless network, information related to a multiple-event conditional handover execution, wherein the multiple-event conditional handover execution is based on a joint evaluation of multiple events by the user device; and sending, by the user device, a report including at least a portion of the information.

Abstract: There is provided a method comprising: upon detecting that a first condition is met, causing a transmission of a measurement report to a wireless network; acquiring a conditional handover command from the wireless network; upon detecting that a second condition, associated with the conditional handover command, is met, starting a handover execution timer for triggering execution of a handover from a source cell to a target cell; detecting that a radio link failure condition is met before the execution of the handover is triggered; and on the basis of the detecting, signaling, to the wireless network, information indicative of a cause of a conditional handover failure to be either misconfigured first condition or misconfigured second condition.

Abstract: In one aspect of the present disclosure, a user equipment has a processor and a memory including computer program code, where the memory and the computer program code are configured, with the processor, to cause the user equipment to receive from a network node at least one beam-specific mobility parameter associated with at least one respective candidate beam in a serving cell; to switch in the serving cell to a new beam among the at least one candidate beam; and to select a beam-specific mobility parameter associated with the new beam. In another aspect of the present disclosure, a network node has a processor and a memory including computer program code, where the memory and the computer program code are configured, with the processor, to cause the network node to preconfigure at least one beam-specific mobility parameter associated with at least one respective candidate beam in a serving cell; and to send the at least one beam-specific mobility parameter to a user equipment.

Abstract: A method may include detecting, by the user device, a cell identity of a neighbor cell, determining, by the user device, whether either a first measurement by the user device of a signal from the neighbor cell after the detecting or a measurement by the user device of a signal from the neighbor cell within a threshold period of time after the detecting, at least fulfills an entry condition of a measurement reporting event for the neighbor cell, transmitting, by the user device, a measurement report based on the second time-to-trigger value if either the first measurement of a signal from the neighbor cell after the detecting or a measurement of a signal from the neighbor cell within a threshold period of time after the detecting fulfills the entry condition of the measurement reporting event, otherwise, transmitting, by the user device, a measurement report based on the first time-to-trigger value.