Abstract: An IAB node communicates over at least two radio interfaces including a first interface and a second interface, the first interface being configured to establish a radio resource control (RRC) connection with a donor node, the second interface being configured to serve one or more cells to communicate with one or more child nodes. In an example embodiment and mode the IAB node comprises processor circuitry and transmitter circuitry. The processor circuitry is configured to detect a radio link failure (RLF) on the first interface. The transmitter circuitry is configured to transmit, using the second interface, to the one or more child nodes: node serving cell information configured to identify the one or more cells, and; a backhaul RLF indication upon a failure of recovery from the RLF. A method of operating such IAB node is also provided.

Abstract: A wireless terminal comprises receiver circuitry and processor circuitry. The receiver circuitry is configured to receive a message. The message comprises one or more conditional handover configurations; at least one indication; and, at least one triggering condition; each of the one or more conditional handover configurations comprising at least one identity of a candidate target cell, the at least one indication indicating whether or not the message is provided as full configuration. The processor circuitry is configured to: store the one or more conditional handover configurations and the at least one indication; perform a handover to a target cell; and determine validity of the one or more conditional handover configurations based on the indication upon or after performing the handover.

Abstract: In a wireless terminal secondary cell group (SCG) configurations are invalidated upon change of a master key. The wireless terminal comprises processor circuitry and receiver circuitry. The processor circuitry is configured to establish, using a first master key, a first security context on a first radio connection with a master access node. The receiver circuitry is configured to receiver circuitry configured to receive a re-configuration message comprising one or more conditional secondary cell configurations and at least one counter. Each conditional secondary cell configuration may comprise an identity of a candidate primary secondary cell and at least one triggering condition, the candidate primary secondary cell being used for Dual-Connectivity (DC). The at least one counter and the first master key may be used for derivation of a second master key to be used for establishment of a second security context with one of the candidate primary secondary cells.

Abstract: A wireless terminal comprises processor circuitry and receiver circuitry. The processor circuitry is configured to establish a first radio connection with a master access node. The receiver circuitry is configured to receive a re-configuration message comprising one or more conditional secondary cell configurations. Each of the conditional secondary cell configurations may comprise an identity of a candidate primary secondary cell, each of the conditional secondary cell configurations being associated with at least one triggering condition, the candidate primary secondary cell being used for Dual-Connectivity.

Abstract: A wireless terminal comprises processor circuitry and receiver circuitry. The receiver circuitry is configured to receive a configuration message comprising one or more conditional handover configurations. Each of the one or more conditional handover configurations may comprise at least one identity of a candidate target cell, and at least one triggering condition. The processor circuitry is configured to establish, using a first key set, a first security context with a first wireless access node; to perform a handover to a target cell; to determine validity of the conditional handover configurations, based on whether or not the handover to the target cell is configured with a security configuration, and to use the security configuration to derive a second key set for establishing a second security context with a second wireless access node that serves the target cell.

Abstract: A user equipment (UE) for supporting multiple-universal subscriber identity module (multi-USIM) operations among a first base station associated with a first network and a second base station associated with a second network is disclosed. the UE includes one or more non-transitory computer-readable media having computer-executable instructions embodied thereon, and at least one processor coupled to the one or more non-transitory computer-readable media. The processor is configured to execute the computer-executable instructions to transmit, through transmitting circuitry of the UE, a physical random access channel (PRACH) preamble to the second base station associated with the second network. The PRACH preamble indicates to the second base station that the UE is not to begin a connection establishment procedure with the second network.

Abstract: A wireless terminal comprises receiver circuitry and processor circuitry. The receiver circuitry is configured to receive a configuration message comprising one or more conditional handover configurations, each of the one or more conditional handover configurations comprising at least one identity of a candidate target cell, and at least one triggering condition. The processor circuitry is configured to establish, using a first key set, a first security context with a first wireless access node; to perform a conditional handover to a candidate target cell configured by one of the one or more conditional handover configurations, in a case that the at least one triggering condition associated with the candidate target cell is met; and to establish a second security context with a second wireless access node that serves the candidate target cell, based on whether or not a security configuration associated with the candidate target cell is configured by the configuration message.

Abstract: An X-ray tube includes an electron gun unit, a target that generates X-rays, and a vacuum housing unit. The vacuum housing unit has a metal housing unit for supporting the target and a bulb unit formed of an insulating material and connected to the metal housing unit. The electron gun unit has a focusing electrode portion at an end portion on an emission side of the electrons, the focusing electrode portion having a tubular shape for focusing the emitted electrons. In the electron gun unit, at least a part of the focusing electrode portion is supported by the bulb unit so as to be located in the metal housing unit. When viewed from an X-ray generation position on the target, the focusing electrode portion blocks a line of sight from the X-ray generation position to the bulb unit.

Abstract: A method for setting a rolling mill, the method being executed before reduction position zero point adjustment or before the start of rolling, and including: a first process of setting rolls in an open state, and with respect to each of the upper roll assembly and the lower roll assembly, adjusting positions of roll chocks in a rolling direction based on a torque acting on the work roll or a vertical roll load difference; and a second process of, after the first process, setting rolls in a kiss roll state, measuring a vertical roll load in two rotational states on a work side and a drive side, and moving roll chocks of a roll assembly on the opposite side to a reference roll simultaneously and in a same direction so that the vertical roll load difference falls within an allowable range to thereby adjust the positions of the roll chocks.

Abstract: An X-ray module includes a housing in which an opening portion is formed; an electron gun that emits an electron beam; a target that transmits an X-ray generated when the electron beam is incident on the target and emits the X-ray from an X-ray-emitting surface; an X-ray-emitting window that seals the opening portion, and that transmits the X-ray and emits the X-ray to a first side in an axial direction; and a heat radiating unit disposed outside the housing. The housing includes a surface on which a protrusion protruding to the first side is formed, the opening portion is formed in the protrusion, and the target is disposed in the opening portion. The heat radiating unit includes a first portion extending along the surface and thermally connected to the surface, and a second portion extending from the first portion to a second side opposite the first side.

Abstract: An X-ray module includes a housing; an electron gun that emits an electron beam inside the housing; a target disposed inside the housing and fixed to the housing, to generate an X-ray when the electron beam is incident on the target; and a deflection unit including a permanent magnet and disposed outside the housing, to deflect the electron beam by means of a magnetic force of the permanent magnet. The deflection unit includes a heat insulating member disposed at least between the permanent magnet and the housing. A thermal conductivity of the heat insulating member is lower than a thermal conductivity of the permanent magnet.

Abstract: A wireless terminal that communicates over a radio interface with a wireless access node of a radio access network (RAN), the wireless terminal comprising: receiver circuitry configured to receive from the wireless access node at least one reconfiguration message comprising a measurement object, a trigger configuration for a conditional handover and an identity of a candidate target cell; processor circuitry configured to: perform a measurement based on the measurement object, and; decide, based on the measurement and the trigger configuration, whether or not to execute the conditional handover to the candidate target cell; wherein: the trigger configuration does not include a measurement report configuration.

Abstract: An IAB node comprises processor circuitry and interface circuitry. The processor circuitry is to generate a synchronization signal (SS)/primary broadcast channel (PBCH) Block Measurement time Configuration (SMTC) and to use an STC muting indication to moot STC(s) in the SMTC which is/are not to be transmitted. The SMTC comprises plural synchronization signal (SS)/primary broadcast channel (PBCH) Block Transmission Configurations (STCs), each STC comprising plural synchronization signal (SS)/primary broadcast channel (PBCH) blocks (SS/PBCHs).

Abstract: A wireless node that communicates over a radio interface with a wireless access node of a radio access network (RAN), the wireless node comprising: processor circuitry configured to establish, with the radio access node, dual connectivity (DC) comprising a first connection and a second connection, the first connection being relayed by an Integrated Access and Backhaul (IAB) node; receiver circuitry configured to receive from the IAB node a notification message indicating a radio link failure (RLF) on the first connection, and; transmitter circuitry configured to transmit, based on the notification message, a failure information message to the wireless access node using the second connection, wherein; the failure information message comprises information representing the RLF.

Abstract: There is provided a zigzagging control method for a workpiece including: an estimation step of, before rolling of a tail portion of the workpiece, acquiring at least any one of an inter-roll thrust force estimated based on an inter-roll cross angle and an inter-roll friction coefficient and a material-roll thrust force estimated based on a material-roll cross angle and a material-roll friction coefficient; and a tail control step of, during the rolling of the tail portion of the workpiece, measuring work-side and drive-side rolling loads, correcting a rolling load difference or a rolling load difference ratio based on any two of acquired parameters including a roll-axis-direction thrust counterforce at the measurement of the rolling loads, the inter-roll thrust force, and the material-roll thrust force, and performing reduction leveling control on a rolling mill based on the corrected rolling load difference or rolling load difference ratio.

Abstract: The IAB node comprises receiver circuitry and processor circuitry. The receiver circuitry is configured to receive information on a resource allocation of OFDM symbols within one or more slots. The processor circuitry is configured to determine from the information both a slot format indicator and a time resource indication. The slot format indicator is configured to indicate, for each OFDM symbol of the slot, whether the symbol is an uplink symbol, a downlink symbol, or a flexible symbol. The time resource indicator, TRI, is configured to indicate, for each OFDM symbol of the slot, whether the symbol may be allocated by a parent node or by the IAB node. The processor circuitry is further configured to control utilization of one or more symbols of the slot at least in part in accordance with a respective symbol allocation from the time resource indication and the slot format indicator.

Abstract: A wireless node that communicates over a radio interface with a wireless access node of a radio access network (RAN) through an Integrated Access and Backhaul (IAB) node, the wireless node comprising: receiver circuitry configured to: receive from the wireless access node a reconfiguration message comprising a conditional handover configuration, the conditional handover configuration comprising a triggering condition and a configuration of a candidate target cell, the triggering condition comprising at least one threshold value; receive from the IAB node a notification message comprising information representing a radio condition measured on a path between the IAB node and the wireless access node, and; processor circuitry configured to perform, based on the triggering condition and the information, a handover using the configuration of the candidate target cell.