Abstract: A method comprising: providing a user equipment (UE) with one or more restrictions, in addition to a timer, for limiting the UE to send on-demand System Information Block (SIB) requests regarding reference signal configurations for Radio Resource Control (RRC) Idle/Inactive UE mode; receiving an on-demand SIB request regarding reference signal configurations for RRC Idle/Inactive UE from the user equipment; and sending a reference signal configuration SIB to the user equipment.

Abstract: Example embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media for conditional link synchronization in non-terrestrial networks. In example embodiments, a first device detects system broadcasted information, if there is data to be transmitted from the first device to the second device. Alternatively, the first device detects system broadcasted information if the first device receives a request for synchronization information from the second device. If the first device receives the system broadcasted information, it generates the synchronization information based on the system broadcasted information. Further, the first device transmits the synchronization information to the second device.

Abstract: Various example embodiments relate to devices and methods for refining a coverage window for discontinuous coverage. A terminal device may comprise at least one processor and at least one memory including computer program code. The at least one memory and the computer program code may be configured to, with the at least one processor, cause the terminal device to perform actions including determining a coverage window for receiving transmission from a network device, monitoring radio coverage of the network device at least during the coverage window, and updating the coverage window based on when the radio coverage is available for the terminal device.

Abstract: Devices, methods and computer programs for timing advance variation compensation in wireless communications are disclosed Timing advance variation for a client device communicating with a network node device at least partially via an air/space born vehicle communication connection is determined based on measurements on uplink signaling from the client device. A timing advance compensation function curve from a set of predetermined timing advance compensation function curves is selected, such that the selected timing advance compensation function curve corresponds with the determined timing advance variation. An indication of the selected timing advance compensation function curve is signaled to the client device.

Abstract: There is provided an apparatus, said apparatus comprising means for determining which of at least two lower layer radio units co-located at a first location, each lower layer radio unit associated with a higher layer radio unit, has a best path to the associated higher layer radio unit and causing the transmit power of the determined one of the at least two lower layer radio units received at a user equipment to be higher relative to the transmit power of any of the other of the at least two lower layer radio units received at the user equipment.

Abstract: Various example embodiments relate to a solution for modifying mobility events by making them depend on information which captures a moving cell direction. A network node may obtain coverage information associated with a serving network and a target network. The network node may obtain synchronization signal timing data associated with the target network. The network node may determine time drift rate data for at least one user node based at least partly on location data and satellite ephemeris data. The network node may cause transmission of the time drift rate data associated with the time drift to the at least one user node to enable the user node to perform a measurement of a target cell of the target network using the time drift rate data. Nodes, methods, and computer programs are disclosed.

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 network device to transmit a first information characterizing a region associated with a wakeup signal to at least one terminal device.

Abstract: The present invention discloses an apparatus, for use by a cell in a non-terrestrial network, comprising means for performing transmitting, to a user equipment, information indicating ephemeris corresponding to the cell and information indicating ephemeris corresponding to at least one neighboring cell, wherein the neighboring cell is detectable at the user equipment when the user equipment is in coverage of said cell.

Abstract: An apparatus, method and computer program is described comprising: determining, at a user device of a mobile communication system, one or more parameters of a serving cell and one or more target cells at a first time instance; and estimating one or more time delay metrics for each of the one or more target cells based on said parameters, such that an optimal time point for performing a handover can be determined. The time delay metrics comprise one or more of: a first time delay corresponding to a time period between the first time instance and a time instance at which a signal strength of the serving cell is predicted to match a signal strength of the respective target cell; and a second time delay corresponding to a time period between the first time instance and a time instance at which the signal strength of the respective target cell is predicted to be higher than the signal strength of the serving cell by an offset value.

Abstract: Example embodiments generally relate to devices and methods for remapping of paging subgroups. A user equipment (UE) device may be configured to receive from a base station an explicit or implicit indication of remapping between one or more first scheme paging subgroups and one or more L1 paging subgroups, remap a first scheme paging subgroup of the UE device to a L1 paging subgroup based on the received indication of remapping, monitor for a paging early indication (PEI) from the base station including an indication of the remapped L1 paging subgroup, and receive a paging message from the base station based on the PEI.

Abstract: There is disclosed an apparatus comprising: means for receiving configuration information, the configuration information comprising at least one of a cell discontinuous transmission configuration or a network message configuration; means for performing a determination of at least one condition for monitoring for one or more network messages; and means for monitoring for one or more network messages, based at least in part on the configuration information and the determination of at least one condition.

Abstract: A method includes receiving, by a user equipment (UE), at least a first UE identity assigned to the user equipment for a wireless network, the first UE identity associated with a first paging timing; and receiving, by the user equipment, a second UE identity that has been assigned to the user equipment at least for paging purposes that adjusts a paging timing from a first paging timing associated with the first UE identity to a second paging timing associated with the second UE identity, wherein the second paging timing is different from the first paging timing.

Abstract: A method, apparatus and computer program product are provided for cell change assistance in a non-terrestrial network. NTN, with a plurality of moving cells served by at least one satellite. A network element of the NTN provides cell change assistance information to a user equipment, UE, for selecting at least one moving cell of the plurality of moving cells. The UE receives cell change assistance information for selecting a cell for cell change. The cell change assistance information identifies at least a subset of the plurality of moving cells and us indicative of a geometric layout of at least the subset of the plurality of moving cells.

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 network device, which provides a first radio cell, to transmit a first information characterizing a radio coverage of at least one further radio cell of at least one further network device, which at least temporarily and at least partially covers a neighbor area of the first radio cell.

Abstract: Devices, methods and computer programs for switching from a terrestrial cell to a non-terrestrial cell are disclosed. At least some example embodiments may allow switching a client device from a terrestrial cell to a non-terrestrial cell in such a way that the client device has time to prepare for the switch, and optionally perform tests related to a coverage of the non-terrestrial cell and inform a network node proposing the switch if the coverage is not sufficient. As a result, significant energy savings may be achieved on the network side, for example.

Abstract: According to certain embodiments, a method and apparatus may include transmitting, by a first network entity, at least one time-based measurement configuration to a user equipment. The method may further include receiving, by the first network entity, at least one measurement result from the user equipment. The method may further include determining, by the first network entity, whether at least one handover should be performed.

Abstract: To increase accuracy of a reference clock based on which reception occurrences are monitored, a specific signal sequence for a wake up signal is used. The specific signal sequence comprises a blank symbol followed by a synchronization sequence for which a reference value is counted and a target value determined. At least frequency of the reference clock is adjusted based on the reference value and the target value.

Abstract: Embodiments of the present disclosure relate to conditional handover. A method comprises: upon a successful handover to a first target cell in an ordered list of target cells configured for a terminal device to initiate handover in order, determining, at the terminal device, information for assessing a validity of the ordered list; and transmitting, to a first network device providing the first target cell, a first message comprising the information for assessing the validity of the ordered list. In this way, a chain of target cells is capable of preparing for the future handover from the suitable time, which avoids reserving resources too early or too late and improves the resource efficiency. Moreover, the current serving cell can detect the deviation of the terminal device from the chain in time, thus a configuration of the ordered list can be appropriately adjusted or updated.

Abstract: There is provided receiving, by a wireless device, from a wireless network, a configuration for at least one control plane activity towards the wireless network; and transmitting, by the wireless device, on the basis of determining that one or more conditions for changing the transmission activity are met, assistance information for the at least one control plane activity, to the wireless network.

Abstract: Various example embodiments relate to provision of a positioning time gap in a paging procedure. An apparatus may obtain positioning capability information of a device. The positioning capability information may comprise an indication of a first time period for determining a position of the device with first initial positioning data and an indication of a second time period for determining the position of the device with second initial positioning data. A positioning time gap may be determined based on the positioning capability information of the device. The apparatus may transmit a first signal, but refrain from transmitting a second signal for at least a duration of the positioning time gap from the first signal. Apparatuses, methods, and computer programs are disclosed.