Abstract: There is provided mechanisms for communication between radio transceiver devices via meta-surface. A method is performed by a first radio transceiver device. The first radio transceiver device is communicating with a second radio transceiver device via at least one meta-surface over a radio propagation channel. The method comprises performing random access procedures with the second radio transceiver device. Each random access procedure corresponds to a respective activation setting of the at least one meta-surface. The method comprises selecting one of the activation settings for the at least one meta-surface. The method comprises transmitting an indication of the selected activation setting to the second radio transceiver device and a controller of the at least one meta-surface. The method comprises communicating with the second radio transceiver device over the radio propagation channel and via the at least one meta-surface.

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 performed by a user equipment (UE) is provided. The method comprises sending, in response to a request from a network node, information associated with one or more machine-learning (ML) models operable by the UE; and receiving, from a network node, a representation of at least one modification of one or more variables associated with at least one ML model of the one or more ML models. The one or more variables are based on the information associated with the one or more ML models, and the at least one modification of the one or more variables facilitates at least partially correcting or preventing performance degradations of the at least one ML model.

Abstract: Disclosed are methods, apparatuses, and systems for using Artificial Intelligence (AI) and Machine Learning (ML) in cellular networks. In one aspect, a method is performed by a first node. The method includes sending, to a second node, a first message that indicates a request to update or reconfigure a functionality in the first node related to an ML-model or another functionality in which the ML-model is a part. The method further includes receiving, from the second node, a second message responsive to the first message, and performing an update of the functionality related to the ML-model based on the second message.

Abstract: Methods and systems are described for a user equipment (UE) to monitor, detect problems or failures, and perform resolution actions in a machine learning (ML) model. Configurations or parameters for the monitoring, detecting, and/or resolving can be provided by a network node. The UE can perform one or more resolution actions that can be said to be autonomous actions, as they are triggered by the detection of the ML model problem, not in response to a network command or message received after the ML model problem is detected.

Abstract: The present disclosure describes a method performed by a user equipment (UE) for reporting the performance of at least one machine-learning (ML) model to a cellular telecommunications network. Some exemplary embodiments include the UE utilizing at least one ML model, generating one or more reports or reportable information of a performance of the at least one ML model, and reporting the one or more reports or reportable information to a network. Associated devices and systems are also provided herein.

Abstract: A method performed by a user equipment (UE) for detecting performance degradation for machine learning (ML)-model performance of the UE is provided. The method comprises sending, to a network node, at least one ML-model output; and sending, to the network node, communication information, wherein the communication information is associated with communication performance of the UE. The at least one ML-model output and the communication information associated with communication performance of the UE facilitate determination of a cause of degraded performance of the UE including at least one of a cause related to the ML model or a cause unrelated to the ML model.

Abstract: A method (1100) by a radio node (110, 210, 310) includes transmitting (1102), to another radio node (120, 220, 320), information indicating an activation or a deactivation of one or more AI and/or ML models at the radio node. For example, the radio node may include a UE and the other radio node may include a base station such that the base station is able to inform and/or suggest modifications in the node configurations to enhance communication performance and model selection at the UE.

Abstract: The disclosure relates to signalling of transmissions with shortened TTI. The disclosure further relates to an RBS and a method performed at the RBS of scheduling resources for a wireless communication device. The disclosure still further relates to a wireless communication device and a method performed at the wireless communication device of being granted data transmission or data reception. In a first aspect of the disclosure, a method performed at an RBS is provided for scheduling resources for a wireless communication device including indicating a grant of a resource for the wireless communication device to transmit or receive data based on DCI and a position of the DCI within a data frame of a downlink control channel.

Abstract: A radio device receives first sidelink control information from a further radio device. Based on assistance information stored in the radio device and the received first sidelink control information, the radio device determines a configuration for transmission of second sidelink control information. Based on the determined configuration for transmission of the second sidelink control information, the radio device receives the second sidelink control information from the further radio device. Based on the received second sidelink control information, the radio device receives a sidelink radio transmission from the further radio device.

Abstract: A mechanism for time domain resource allocation for downlink shared channel, in which the time domain resource is allocated according to CORESET configurations when SS/PBCH block and RMSI CORESET are multiplexed with Type 1, Type 2 or Type 3 pattern.

Abstract: A method for moving a set of positioning reference nodes (PRNs), the set of PRNs including a first PRN. The method includes, for the first PRN, determining a first set of candidate positions to which the first PRN can move. The method also includes, for each candidate position included in the first set of candidate positions, evaluating an objective function using the candidate position, the position of each other PRN included in the set of PRNs, and the position of a target UE to produce an error value indicating a positioning error of the target UE for the candidate position. The method also includes, based on the produced error values, selecting a candidate position from the set of candidate positions. The method further includes triggering the first PRN to move to selected candidate position.

Abstract: An aerial base station is disclosed comprising a directive backhaul antenna for obtaining a backhaul link to a ground-based donor base station. The directive backhaul antenna is arranged on a body of the aerial base station such that a direction of a main beam of the directive backhaul antenna towards the donor base station is essentially parallel to an axis of a largest dimension of the directive backhaul antenna. The directive backhaul antenna is mounted such that the axis of the largest dimension is parallel to the body of the aerial base station.

Abstract: A method performed in a wireless communication system for positioning a wireless device (140) connected to a respective operator network (110, 120, 160), assisted in part by a vehicle (101, 170, 190), the method comprising receiving a request for the vehicle (101, 170, 190) to approach the wireless device (140) associating the vehicle (101, 170, 190) with the operator network (110, 120, 160) triggering a network positioning procedure involving the wireless device (140) and the operator network (110, 120, 160), where the positioning procedure is at least based on communication of a positioning signal (171, 191) between the vehicle (101, 170, 190) and the wireless device (140), and on communication of respective positioning signals (111, 121) between one or more fixed access points (110, 120, 310) of the operator network and the wireless device (140), and determining a position of the wireless device (140) based on one or more measurements of the positioning signals (111, 121, 171, 191).

Abstract: Systems and techniques are provided for overlapped block motion compensation (OBMC). A method can include determining an OBMC mode is enabled for a current subblock of video data; for a neighboring subblock(s) adjacent to the current subblock, determining whether a first, second and third condition are met, the first condition comprising that all reference picture lists for predicting the current subblock are used to predict the neighboring subblock; the second condition comprising that identical reference pictures are used to determine motion vectors associated with the current subblock and the neighboring subblock, and the third condition comprising that a difference between motion vectors of the current subblock and the neighboring subblock do not exceed a threshold; and based on determining that the OBMC mode is enabled and the first, second, and third conditions are met, determining not to use motion information of the neighboring subblock for motion compensation of the current subblock.

Abstract: A method of transmitting a Random Access Channel (RACH) Occasion configuration to a terminal device and receiving a RACH preamble according to the RACH Occasion configuration. The RACH Occasion configuration comprises a first time resource indication identifying a first set of time resources in which the terminal device is allowed to transmit a RACH preamble according to a first random access procedure, a first frequency resource indication identifying at least a first set of frequency resources in which the terminal device is allowed to transmit the RACH preamble, a second time resource indication identifying a second set of time resources in which the terminal device is allowed to transmit a RACH preamble according to a second random access procedure, and a second frequency resource indication identifying at least a second set of frequency resources in which the terminal device is allowed to transmit the RACH preamble.

Abstract: It is presented a method performed by a network node of a wireless communication network for scheduling a wireless device in uplink. An uplink signal structure is configured to be used by the wireless device and the network node, wherein the uplink signal structure defines transmission subframes divided into symbol periods. The network node applies a short Transmission Time Interval, sTTI, scheduling interval, wherein each sTTI is shorter in time than a subframe and each sTTI comprises at least one symbol period. The method comprises: transmitting a control information message to the wireless device for an sTTI scheduling interval, the control information message comprising uplink scheduling information assigned to the wireless device, the uplink scheduling information indicating a position and a length for at least one of a reference signal and data in the uplink sTTI.

Abstract: There is provided mechanisms for assist cell selection or reselection in a relay-assisted wireless network. A method is performed by a network node. The method comprises providing, towards a user equipment that has an end-to-end wireless link composed of a wireless access link and at least one wireless backhaul link between itself and a donor node of the relay-assisted wireless network, backhaul link characteristics of the at least one wireless backhaul link. The backhaul link characteristics assist the user equipment to derive an end-to-end wireless link quality metric for the end-to-end wireless link when performing a cell selection or a reselection procedure.

Abstract: A method in a wireless device is disclosed. The wireless device receives an uplink grant from a network node, the uplink grant scheduling one or more uplink transmissions by the wireless device. The wireless device selects an ON/OFF time mask to use for transmitting the one or more uplink transmissions. The wireless device determines, based on the received uplink grant, an allowed placement of a transient period of the selected ON/OFF time mask and a duration of the transient period to use for the one or more uplink transmissions.

Abstract: A long-chain compound, a preparation method therefor and the use thereof are disclosed. The structure of said compound is represented by formula (I). The definition of each substituent in the formula is as set out in the description and claims. The compound can directly inhibit ACLY, inhibit lipid synthesis in primary hepatocytes, inhibit lipid de novo synthesis and histone acetylation in various cancer cells such as H358, and inhibit cancer cell proliferation. The compound may be used to prepare drugs that treat metabolic diseases such as hyperlipidemia and atherosclerosis or various cancers such as lung cancer, pancreatic cancer, breast cancer, ovarian cancer, liver cancer, intestinal cancer, brain cancer, and acute myeloid leukemia.