Abstract: There is presented a method implemented in a network node that is operating as a secondary cell and that is configured to communicate with a wireless device and a primary cell for the wireless device. The method includes scheduling a physical shared channel the primary cell for the wireless device using a physical downlink control channel, PDCCH, on the primary cell and a physical downlink control channel, PDCCH, on the secondary cell. There is also presented a network node, a method for a wireless device and a wireless device.

Abstract: Systems and methods of the present disclosure are directed to Physical Random Access Channel (PRACH) over NTN (Non-Terrestrial-Networks). For example, a method performed by a wireless communication device for random access includes determining one or more random access occasions for transmission of a random access channel. The method includes transmitting the random access channel on the determined one or more random access occasions.

Abstract: Systems and methods are disclosed for dynamic Hybrid Automatic Repeat Request (HARQ) codebook construction with enabling or disabling of HARQ Acknowledgment (HARQ-ACK) feedback per HARQ process. In one embodiment, a method performed by a wireless communication device comprises receiving, from a network node, information that configures the wireless communication device with a first set of HARQ processes for which HARQ-ACK feedback is disabled and a second set of HARQ processes for which HARQ-ACK feedback is enabled. The method further comprises receiving first downlink control information that schedules a first downlink shared channel transmission and determining that the transmission corresponds to one of the first set of HARQ processes for which HARQ-ACK feedback is disabled. The method further comprises, upon making this determination, performing a first set of actions for HARQ-ACK feedback generation for HARQ processes with HARQ-ACK feedback disabled.

Abstract: A wireless device (14) receives a downlink control information message (20) on a physical downlink control channel. In some embodiments, the downlink control information message (20) schedules two or more non-redundant downlink transmissions to be transmitted to the wireless device (14) in respective transmission time intervals, TTIs, on a first downlink serving cell (16A) and one or more non-redundant downlink transmissions to be transmitted to the wireless device (14) in one or more respective TTIs on a second downlink serving cell. In other embodiments, the downlink control information message (20) schedules one or more non-redundant uplink transmissions to be transmitted from the wireless device (14) in one or more respective TTIs on a first uplink serving cell (18A) and one or more non-redundant uplink transmissions to be transmitted from the wireless device (14) in one or more respective TTIs on a second uplink serving cell (18B).

Abstract: The present disclosure relates to methods and devices for synchronizing one or more radio devices with a radio access node. A method of providing synchronization with a radio access node for radio communication to one or more radio devices is disclosed. The method comprises or triggers transmitting a configuration message to at least one of the radio devices, where the configuration message is indicative of a synchronization signal configuration for a configurable synchronization signal. The method further comprises or triggers transmitting the configurable synchronization signal to the at least one radio device in accordance with the synchronization signal configuration and communicating one or more decodable signals between the radio access node and the at least one radio device using radio resources in accordance with the configurable synchronization signal. A corresponding method of synchronizing the radio device with the radio access node for radio communication is disclosed.

Abstract: Systems and methods are disclosed for random access in a wireless communication system such as, e.g., a wireless communication system having a non-terrestrial (e.g., satellite-based) radio access network. Embodiments of a method performed by a wireless device and corresponding embodiments of a wireless device are disclosed. In some embodiments, a method performed by a wireless device for random access comprises performing an open-loop timing advance estimation procedure to thereby determine an open-loop timing advance estimate for an uplink between the wireless device and a base station. The method further comprises transmitting a random access preamble using the open-loop timing advance estimate. In this manner, random access can be performed even in the presence of a long propagation delay such as that present in a satellite-based radio access network. Embodiments of a method performed by a base station and corresponding embodiments of a base station are also disclosed.

Abstract: Systems and methods are disclosed for dynamic Hybrid Automatic Repeat Request (HARQ) codebook construction with enabling or disabling of HARQ Acknowledgment (HARQ-ACK) feedback per HARQ process. In one embodiment, a method performed by a wireless communication device comprises receiving, from a network node, information that configures the wireless communication device with a first set of HARQ processes for which HARQ-ACK feedback is disabled and a second set of HARQ processes for which HARQ-ACK feedback is enabled. The method further comprises receiving first downlink control information that schedules a first downlink shared channel transmission and determining that the transmission corresponds to one of the first set of HARQ processes for which HARQ-ACK feedback is disabled. The method further comprises, upon making this determination, performing a first set of actions for HARQ-ACK feedback generation for HARQ processes with HARQ-ACK feedback disabled.

Abstract: A wireless device (18) is configured for use in a wireless communication network (10), e.g., a non-terrestrial network. The wireless device (18) is configured to receive, from a network node (20) in the wireless communication network (10), signaling (22) that indicates reconfiguration of a beam (16) serving the wireless device (18). The wireless device (18) in some embodiments is also configured to, responsive to receiving the signaling (22), reacquire time and/or frequency synchronization for the beam (16), e.g., to account for the indicated reconfiguration of the beam (16).

Abstract: A method performed by a first network entity associated with a first airborne or orbital communication node for enabling at least one wireless device in a wireless communications network to switch from being served by a first service link of the first airborne or orbital communication node to being served by a second service link of a second airborne or orbital communication node, is provided. The method comprises transmitting, to the at least one wireless device, information associated with a reference signal of a transmission beam transmitted over the second service link of the second airborne or orbital communication node, comprising information indicating the location over time of the second airborne or orbital communication node. A first network entity, a wireless device and method therein are also provided, as well as, computer programs and carriers.

Abstract: A wireless device (18) is configured for use in a wireless communication network (10). The wireless device (18) receives broadcasted system information (20) for a cell (14). The broadcasted system information (20) indicates multiple bandwidth parts (16-1, 16-2 . . . 16-N)of the cell (14), where the multiple bandwidth parts (16-1, 16-2, . . . 16-N) indicated are either multiple downlink bandwidth parts or multiple uplink bandwidth parts. Alternatively or additionally, the broadcasted system information (20) indicates respective frequency positions of multiple synchronization signal blocks, SSBs, for the cell (14).

Abstract: The present disclosure described systems and methods for providing OTT services to a UE. An exemplary OTT-providing host computer includes a transceiver, a processor, and memory collective configured to provide the OTT service by initiating transmission of user data to the UE. To transmit the user data from the host computer to the wireless device, a network node sends a first control message for assigning a PDSCH, the first control message comprising a first MCS indication as described. The network node sends to the wireless device a second control message for assigning a PDSCH, the second control message comprising a second MCS indication as described. The network node transmits the user data thereafter.

Abstract: Systems and methods relating to a narrowband Primary Synchronization Signal (NB-PSS) and a narrowband Secondary Synchronization Signal (NB-SSS) are disclosed. In some embodiments, a base station in a wireless network comprises a processor and storage that stores instructions executable by the processor whereby the base station is operable to transmit a NB-PSS and a NB-SSS in a narrowband portion of a downlink system bandwidth. The NB-PSS and the NB-SSS are transmitted such that more than two occurrences of the NB-PSS and more than two occurrences of the NB-SSS are transmitted over a defined time interval, each occurrence of the NB-PSS is transmitted over multiple contiguous Orthogonal Frequency Division Multiplexing (OFDM) symbols and each occurrence of the NB-SSS is transmitted over multiple contiguous OFDM symbols, and each occurrence of the NB-SSS provides an indication of a location of the occurrence of the NB-SSS within the defined time interval.

Abstract: Systems and methods for configuring Narrowband Positioning Reference Signals (NPRS) for NB-IoT are provided. A network node generates and transmits NPRS configuration information including a first NPRS bitmap for FDD mode and/or a second NPRS bitmap for TDD mode. A wireless device can determine a NPRS configuration in accordance with the second NPRS bitmap for TDD mode and perform measurements using the NPRS configuration.

Abstract: Systems and methods for providing unlicensed drone User Equipment (UE) detection in a cellular communications network are disclosed. In this regard, embodiments of a method of operation of a server for providing unlicensed drone UE detection in a cellular communications network are disclosed. In some embodiments, the method includes receiving, from a network node, a measurement report for a UE and predicting that the UE is an unlicensed drone UE based on the measurement report for the UE. The method further includes taking one or more actions upon predicting that the UE is an unlicensed drone UE. In this manner, an efficient unlicensed drone detection mechanism is provided.

Abstract: A system and method for providing time domain allocations in a communication system. In an embodiment, an apparatus operable in a communication system and including processing circuitry is configured to receive an indication of a time domain allocation in downlink control information associated with a radio network temporary identifier (“RNTI”) identifying the apparatus, and employ the time domain allocation associated with the RNTI for transmissions associated with the apparatus. In another embodiment, an apparatus operable in a communication system and including processing circuitry is configured to associate a time domain allocation with a RNTI identifying a user equipment, and provide an indication of the time domain allocation in downlink control information to allow the user equipment to employ the time domain allocation associated with the RNTI for transmissions associated therewith.

Abstract: A method by a wireless device includes determining that a Non-Terrestrial Network (NTN) is unavailable to the wireless device and/or will be unavailable to the wireless device. The wireless device determines not to perform an inactive mode or idle mode procedure during a period of time when the NTN is unavailable to the wireless device.

Abstract: It is provided a method for detecting when a user equipment, UE, is airborne. The method is performed in a UE status detector and comprises the steps of: obtaining an indicator of variation of signal strengths for signals received in the UE, wherein the signals are transmitted for at least three different cells; and determining, based on the indicator of variation, when the UE is airborne.

Abstract: A method may be provided to operate a wireless terminal in communication with a network node. The method may include receiving a Physical Downlink Control Channel, PDCCH, order from the network node. The PDCCH order may include an identification for a Random Access CHannel RACH occasion to be used for a RACH message 1 preamble transmission. Moreover, the identification may include a first index that indicates a set of RACH occasions and a second index that indicates the RACH occasion associated with the set. The method may also include transmitting a Message 1 preamble to the network node using the RACH occasion responsive to the PDCCH order.

Abstract: A method is performed by a wireless device. The method includes receiving, from a network, an indication for the wireless device to prepare for a change from a first ground station to a second ground station. Each of the first ground station and the second ground station is configured to communicate with the wireless device via one or more satellites. The method further includes preparing to change from the first ground station to the second ground station. The method further includes communicating with the second ground station via the one or more satellites.

Abstract: An example method in a wireless device operating in a wireless network comprises generating a random access preamble signal and transmitting the random access preamble signal. The generated random access preamble signal comprises a random access symbol group that comprises a plurality of consecutive symbols, where each of the plurality of consecutive symbols being modulated on a corresponding subcarrier frequency and each of the plurality of consecutive symbols corresponding to a truncated sinusoid of 3.75/N kHz, with N>1.