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: 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: 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: 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.

Abstract: There is provided controlling radio channel measurements on radio channels of different wireless networks. A wireless communication device performs first radio channel measurements on a first radio channel of a first wireless communication network and second radio channel measurements on at least one second radio channel of a second wireless communication network. It is determined, on the basis of the first radio channel measurements and the second radio channel measurements, a relationship between the first radio channel and the at least one second radio channel. Measurement activity of the at least one second radio channel is controlled on the basis of at least the determined relationship and the first radio channel measurements.

Abstract: Methods and apparatus, including computer program products, are provided for non-terrestrial networks. In some example embodiment, there may be provided a method including determining, based on position information, a country where the apparatus is located; receiving, from a non-terrestrial base station, a system information broadcast including mapping information, the mapping information including a country area identifier or a random access radio network temporary identifier; mapping the determined country into the received country area identifier or the received random access radio network temporary identifier; and performing, based on the received country area identifier or the received random access radio network temporary identifier, a random access procedure with the non-terrestrial base station.

Abstract: At a UE in wireless communication with a serving cell in a wireless network, the UE being configured with time-based conditional handover event trigger(s), receiving by the UE indication that the serving cell will be turning off. The UE determines relative timing of the time-based conditional handover event trigger(s) and timing based on the indication of the serving cell turning off. The UE determines whether the relative timing meets a criterion or criteria. The UE modifies, based on the relative timing meeting the criterion or criteria, mobility procedures for the UE that is in a connected state.

Abstract: The invention inter alia pertains to an apparatus for communication with a non-terrestrial network, NTN, the apparatus comprising means configured for: receiving, from the network, a measurement gap configuration signaling at least comprising a measurement gap configuration indicating a measurement gap for acquiring a position estimate of the apparatus; receiving, from the network, as part of the measurement gap configuration signaling, an allocation indicating a feedback resource for providing feedback on an attempt to acquire a position estimate; attempting to acquire a position estimate of the apparatus during said measurement gap; and transmitting, to the network, a feedback on the acquisition of the position estimate using said feedback resource for providing feedback on the attempt to acquire a position estimate.

Abstract: Wake-up signal beacon arrangement for wake-up signal coverage detection is provided. A method for wake-up signal beacon arrangement for wake-up signal coverage detection may include receiving at least one configuration for a first wake-up signal beacon and a second wake-up signal beacon. A power or energy of the second wake-up signal beacon may be lower than a power or energy of the first wake-up signal beacon. The method may also include monitoring a current cell for wake-up signal beacons during a wake-up signal mode using the received at least one configuration, and modifying the monitoring of the current cell based on a detection metric. The detection metric may be determined based on at least the second wake-up signal beacon.

Abstract: A method including determining, with a user equipment, to use a measurement and reporting configuration based, at least partially, upon a network energy saving state of a target cell; measuring, with the user equipment, with use of the measurement and reporting configuration; and determining, with the user equipment, to transmit a measurement report based upon the determined measurement and reporting configuration.

Abstract: Embodiments of the present disclosure relate to paging. A first device in a tracking area receives, from a second device, identification information for monitoring a paging message associated with the tracking area. The first device is registered in the tracking area. The first device monitors, from the second device, the paging message based on the received identification information.

Abstract: Devices, methods and computer programs for avoiding unnecessary radio measurement gaps in a non-terrestrial network are disclosed. At least some example embodiments may allow replacing an unused radio measurement gap with an option of scheduling to improve network scheduling flexibility, user throughput and/or latency, and client device battery life.