Abstract: A count of one or more subcarriers (811-818) of a carrier (370) is determined depending on a setting of an adaptive modulation numerology of the carrier (370). A wake-up signal (4003) is transmitted to a wireless communication device (101) on the one or more subcarriers (811-818).

Abstract: Devices in a positioning system are described. In an example, a first device in the positioning system is configured to detect whether the first device is moving or stationary. The first device periodically send a first signal to a second device in the positioning system as long as the first device is not stationary, the first signal comprising at least a localization enabling information. When detecting that the first device is stationary the first device is further configured to send a second signal to the second device, the second signal indicating that the first device is stationary, and to stop sending the first signal.

Abstract: In one embodiment a method for hybrid localization in a first area and in a second area comprises the following steps: operating (A) a device in a first mode of operation, while the device is in the first area in which a wireless communication is available, detecting (B) that the device transitions from the first area to the second area in which a short range radio signal transmission is available, switching (C) the device to a second mode of operation upon detection that the device transitions from the first area to the second area, wherein in the first mode of operation the device uses a first technology for localization, wherein in the second mode of operation the device uses at least a second technology for localization in which the device emulates the short range radio signal transmission during at least one idle period of the wireless communication.

Abstract: In a method for determining a 3D directional vector between a sending device and a receiving device, the receiving device comprises at least two antenna arrays that each comprise a plurality of linearly arranged antenna elements that are aligned to different orientations.

Abstract: A method (300) and control arrangement (210) for controlling a vehicle (100) to freewheel with engine off. The vehicle (100) has an engine (260) for propelling the vehicle (100) and a hydraulic power steering system (400). The hydraulic power steering system (400) comprises a primary power steering pump (270a) arranged to be driven by the engine (260) and a secondary power steering pump (270b). The method (300) includes: determining (301) when to start freewheeling the vehicle (100) with its engine off; and prior to starting the freewheeling of the vehicle (100) with engine off, determining (302) to start the secondary power steering pump (270b).

Abstract: A secure indoor positioning device, system and method. A mobile electronic device is detected entering into proximity of a stationary electronic device. In response, a plurality of secure session parameters is negotiated via two-way wireless communication between the stationary electronic device and the mobile electronic device. One or more of the negotiated plurality of secure session parameters is communicated to one or more other stationary electronic devices. At one or more of the plurality of stationary electronic devices, secure messages broadcasted by the mobile electronic device are received. These messages are decrypted or authenticated using one or more of the negotiated secure session parameters and are used to determine a position of the mobile electronic device.

Abstract: Raw material devices, systems that incorporate raw material delivery devices, and methods of supplying raw material using the raw material devices. A raw material delivery device includes a hollow body comprising a first end and a second end, the second end disposed above the first end in a system vertical direction, an inlet disposed at the first end of the hollow body, an outlet disposed at the second end of the hollow body, and a stepped passageway disposed within the hollow body between the inlet and the outlet. The stepped passageway is configured to deliver raw material via one or more steps from the inlet to the outlet.

Abstract: The present disclosure relates to a method (100) for determining an angle of arrival, AoA, of received radio frequency, RF, measurement signals. The method (100) comprises obtaining (101) measurement data based on the received RF measurement signals from an antenna array, wherein the RF measurement signals are representative of multiple frequency channels. The method (100) further comprises determining (102) power spectra, comprising determining at least one power spectrum for each of the multiple frequency channels by using the measurement data. The method (100) further comprises providing (105) a machine learning algorithm, which is pre-trained to determine an AoA based on power spectra of multiple frequency channels. The method (100) further comprises determining (106) the AoA of the received RF measurement signals by using the machine learning algorithm and the determined power spectra.

Abstract: For idle mode positioning, a user equipment (UE) is configured with positioning resources being usable by the UE while in idle mode. The positioning resources can include uplink resources to support uplink-based positioning, downlink resources to support downlink-based positioning, or both to support a combination of uplink-based and downlink-based positioning. The positioning resources can be utilized to transmit uplink references signals, downlink reference signals, or both. A positioning estimate is computed based on positioning measurements of the reference signals.

Abstract: A positioning estimate for a user equipment (UE) is determined based on a combination of uplink-based positioning and downlink-based positioning. Positioning measurements based on downlink signals and uplink signals can be utilized to determine the positioning estimate. The positioning estimate may be computed by the UE or a node of a wireless communications network. This positioning scheme can include two parts, where a first part and second part are either uplink-based or downlink-based, but the two parts are different from each other. Positioning measurements performed in the first part may be sent along with reference signals in the second part.

Abstract: A secure indoor positioning device, system and method. A mobile electronic device is detected entering into proximity of a stationary electronic device. In response, a plurality of secure session parameters is negotiated via two-way wireless communication between the stationary electronic device and the mobile electronic device. One or more of the negotiated plurality of secure session parameters is communicated to one or more other stationary electronic devices. At one or more of the plurality of stationary electronic devices, secure messages broadcasted by the mobile electronic device are received. These messages are decrypted or authenticated using one or more of the negotiated secure session parameters and are used to determine a position of the mobile electronic device.

Abstract: A rake arm assembly mountable to a build table having an upper surface and an opposite lower surface is provided. The rake arm assembly includes a rake arm body extending in a direction transverse to a working axis and positionable at the upper surface of the build table, a first guide rail mountable to the lower surface of the build table and extending along the working axis, a first rake support member fixed to a first end of the rake arm body and movably supported on the first guide rail, a second rake support member fixed to an opposite second end of the rake arm body, and a guide pad fixed to a lower surface of the second rake support member and positionable at the lower surface of the build table.

Abstract: For uplink-based positioning, a transmission of an uplink reference signal via a transmit beam at a user equipment (UE) (100) is coordinated with a respective receive beams at one or more receivers (110). A positioning computation node (105) sends configuration information to the UE (100) and to the one or more receivers (110). The configuration information enables the receivers (110) to configure receive beams (111) to receive the uplink reference signal transmission from the UE (100). The receivers (110) perform various measurements of the uplink reference signal and report the measurements as well as beam information to the positioning computation node (105), which generates a position estimate.

Abstract: A wireless communications device (100) includes a wireless interface (122) for conducting wireless communications with one or more network nodes (110) of a wireless communications network (102). The wireless communications device (100) further includes a control circuit (118) configured to receive a plurality of reference signals transmitted by the one or more network nodes (110), measure the plurality of reference signals to generate a plurality of positioning measurements, associate the plurality of positioning measurements with beam information, and select a set of positioning measurements with associated beam information for determining a positioning estimate of the wireless communications device (100).

Abstract: The present invention relates to an arrangement for improving shooting accuracy of a weapon comprising i) a barrel 13, ii) at least one component iii) a holding device mounted on said barrel 13, said holding device comprising means for holding 1a said at least one component allowing said at least one component to be displaced relative to and in parallel with the barrel and the means for holding from 1 mm to 200 mm during which displacement said at least one component does not absorb any substantial recoiling forces.

Abstract: Network assistance is provided for the streaming of multi-segment data from a data source (12) to a streaming client (54) in a network. The network assistance for multi-segment data streaming may be carried out in an automated manner by the respective devices. The systems and methods include new functions that allow for more efficient handling of data segments that make up a data stream. The network assistance for multi-segment streaming may improve, for example, virtual reality (VR) streaming performance.

Abstract: A breech for noise reduction in a recoil-less weapon is described. The breech is adapted to be arranged in fluid communication with a launcher of the weapon to release exhaust gas. The breech comprises a venturi tube. The venturi tube has an inlet at a first end adapted to be connected to the launcher, and an outlet for releasing the exhaust gas at a second end, wherein the area of the outlet is larger than the area of the inlet. The venturi tube further comprises an exhaust gas controlling element formed at the venturi tube structure. The exhaust gas controlling element is arranged to control the release of exhaust gas so as to decrease a sound pressure peak at the weapon. The inner envelope surface of the venturi tube is configured, such that the inner envelope surface does not alter or at least has a very small influence on recoil characteristics of the weapon.

Abstract: The present invention relates to an arrangement for improving shooting accuracy of a weapon comprising i) a barrel 13, ii) at least one component iii) a holding device mounted on said barrel 13, said holding device comprising means for holding 1a said at least one component allowing said at least one component to be displaced relative to and in parallel with the barrel and the means for holding from 1 mm to 200 mm during which displacement said at least one component does not absorb any substantial recoiling forces.

Abstract: A portable electronic device comprises at least one sensor configured to sense sensor data, including at least one first sensor data representing a first sensed condition. The portable electronic device comprises a processor configured to create a learned sensor data pattern and create a learning function. The processor is also configured to obtain the first sensor data, estimate using the learning function a first estimated transmission cost associated with an upcoming data transmission when the device experiences the first sensed condition, predict using the learned sensor data pattern an upcoming second sensor data representing a predicted second sensed condition, and estimate using the learning function a second estimated transmission cost associated with the upcoming data transmission when the device experiences the predicted second sensed condition. The processor is configured to compare the first estimated transmission cost with the second estimated transmission cost.

Abstract: Network assistance is provided for the streaming of multi-segment data from a data source (12) to a streaming client (54) in a network. The network assistance for multi-segment data streaming may be carried out in an automated manner by the respective devices. The systems and methods include new functions that allow for more efficient handling of data segments that make up a data stream. The network assistance for multi-segment streaming may improve, for example, virtual reality (VR) streaming performance.