Abstract: A packaging insert (10) comprises multiple cellulose-based air-laid or solid foam substrates (20, 20A, 20B, 20C) having respective first and second main sides (22, 22A, 22B, 22C, 24, 24A, 24B, 24C). The packaging insert (10) also comprises a first paper-based sheet (30) attached to the first main sides (22, 22A, 22B, 22C) and a second paper-based sheet (40) attached to the second main sides (24, 24A, 24B, 24C). Edges (26, 26A, 26B, 28, 28B, 28C) of consecutive cellulose-based air-laid or solid foam substrates (20, 20A, 20B, 20C) facing each other are beveled edges (26, 26A, 26B, 28, 28B, 28C) and form an angle (a) between each other that is less than 90°. At least one hinge section (50, 50A, 50B) is interposed between the beveled edges (26, 26A, 26B, 28, 28B 28C) of the consecutive cellulose-based air-laid or solid foam substrates (20, 20A, 20B, 20C). The packaging insert (10) is foldable in the hinge section(s) (50, 50A, 50B) and can be positioned within a packaging (80) to protect packaged goods.

Abstract: Disclosed is a hearing device configured to be worn in an ear of a user, the hearing device comprising a housing; at least a first electrical component arranged inside the housing; a speaker arranged in the housing; a first opening provided in the housing, where the first opening is configured to provide passage from surroundings into the housing, wherein the first opening is an opening for the speaker and/or a vent opening; a partition arranged inside the housing; wherein the partition is configured to divide the housing into at least a first compartment and a second compartment, where the first opening is provided in the first compartment, where the speaker is arranged in the first compartment, and where the first electrical component is arranged inside the second compartment; wherein the partition is arranged to seal the second compartment from the first compartment; wherein the partition is configured to prevent water, liquids, sweat and/or moisture from passing from the first compartment into the second

Abstract: There is provided mechanisms for OTA estimation of an RF parameter of a radio transmitter. A method is performed by a measurement equipment. The method comprises obtaining information of spatial radiation pattern used by the radio transmitter and power allocation used by the radio transmitter for transmission of a signal using the spatial radiation pattern. The method comprises obtaining a measurement of at least one of signal power and signal frequency of the signal as transmitted from the radio transmitter by measuring on the signal. The measurement is made with respect to spatial orientations and distance between the radio transmitter and the measurement equipment. The method comprises estimating the RF parameter for the signal transmitted by the radio transmitter from the measurement and using the information of spatial radiation pattern, power allocation, and spatial orientations and distance.

Abstract: There is provided mechanisms for OTA based estimation of phase accuracy of a first radio transceiver device. A method is performed by a controller. The method comprises obtaining, per each position in a sequence of positions of a second radio transceiver device relative the first radio transceiver device, a phase relation estimate between transceiver branches of the first radio transceiver device. Each phase relation estimate is obtained from measurements on a signal wirelessly transmitted between the first radio transceiver device and the second radio transceiver device. The method comprises estimating an average phase relation for at least one pair of the transceiver branches of the first radio transceiver device by averaging the obtained phase relation estimates over all the positions in the sequence of positions. The phase accuracy of the first radio transceiver device is represented by the average phase relation for the at least one pair of the transceiver branches.

Abstract: The present disclosure relates to a system for measurement of antenna alignment of an array antenna system used for wireless communication. The array antenna system has an antenna position ({right arrow over (r)}AAS) relative a first coordinate system and comprises a control unit and an array antenna having an antenna aperture plane, a certain coverage and an initial array antenna orientation ({right arrow over (?)}AAS(0)). The array antenna further comprises a plurality of antenna elements and at least two antenna ports, each antenna port being connected to a corresponding subarray, each subarray comprising at least one antenna element. The system comprises the array antenna system and an unmanned aerial vehicle, UAV, arranged to be deployed in the coverage and comprising a UAV antenna arrangement and a positioning module that is adapted to provide UAV position information ({right arrow over (r)}UAV) relative the first coordinate system.

Abstract: The present disclosure relates to a system (1) for measurement of antenna alignment of an array antenna system (2) used for wireless communication. The array antenna system (2) has an antenna position (A) relative a first coordinate system (18) and comprises a control unit (3) and an array antenna (4) having an antenna aperture plane (19), a certain coverage (5) and an initial array antenna orientation (B). The array antenna (4) further comprises a plurality of antenna elements (6) and at least two antenna ports (7, 8, 9, 10), each antenna port (7, 8, 9, 10) being connected to a corresponding subarray (11, 12, 13, 14), each subarray (11, 12, 13, 14) comprising at least one antenna element (6). The system (1) comprises the array antenna system (2) and an unmanned aerial vehicle (15). UAV, arranged to be deployed in the coverage (5) and comprising a UAV antenna arrangement (16) and a positioning module (17) that is adapted to provide UAV position information (C) relative the first coordinate system (18).

Abstract: The disclosure relates to an eartip for a hearing device the eartip comprising a core and a skirt formed around the core, the core forming an inner channel with a top opening and a bottom opening for detachably attaching the eartip to the hearing device. The eartip defines an eartip bottom end and an eartip top end, a bottom plane of the bottom end and a top plane of the top end is configured to intersect in space. The circumference of the skirt is configured to change from the bottom plane towards the top plane. The bottom opening forms a unidirectional interface.

Abstract: Disclosed is a hearing device configured to be worn in an ear of a user, the hearing device comprising a housing; at least a first electrical component arranged inside the housing; a speaker arranged in the housing; a first opening provided in the housing, where the first opening is configured to provide passage from surroundings into the housing, wherein the first opening is an opening for the speaker and/or a vent opening; a partition arranged inside the housing; wherein the partition is configured to divide the housing into at least a first compartment and a second compartment, where the first opening is provided in the first compartment, where the speaker is arranged in the first compartment, and where the first electrical component is arranged inside the second compartment; wherein the partition is arranged to seal the second compartment from the first compartment; wherein the partition is configured to prevent water, liquids, sweat and/or moisture from passing from the first compartment into the second

Abstract: There is provided mechanisms for OTA based estimation of phase accuracy of a first radio transceiver device. A method is performed by a controller. The method comprises obtaining, per each position in a sequence of positions of a second radio transceiver device relative the first radio transceiver device, a phase relation estimate between transceiver branches of the first radio transceiver device. Each phase relation estimate is obtained from measurements on a signal wirelessly transmitted between the first radio transceiver device and the second radio transceiver device. The method comprises estimating an average phase relation for at least one pair of the transceiver branches of the first radio transceiver device by averaging the obtained phase relation estimates over all the positions in the sequence of positions. The phase accuracy of the first radio transceiver device is represented by the average phase relation for the at least one pair of the transceiver branches.

Abstract: A wireless communication system comprising a first network node and a wireless device is provided. The system is adapted to establish communication between the first network node and the wireless device. The device is adapted to obtain information related to a geographic location of the device, to transmit the information related to the geographic location to the network node, and to transmit a Sounding Reference Signal to the node. The node is adapted to receive information related to a geographic location of the device, and to determine an antenna configuration of the network node for communicating with the device via a directive antenna, based on the geographic location of the device. A network node is adapted to communicate with the device by the first network node, via the directive antenna, by means of the determined antenna configuration.

Abstract: There is provided mechanisms for OTA estimation of an RF parameter of a radio transmitter. A method is performed by a measurement equipment. The method comprises obtaining information of spatial radiation pattern used by the radio transmitter and power allocation used by the radio transmitter for transmission of a signal using the spatial radiation pattern. The method comprises obtaining a measurement of at least one of signal power and signal frequency of the signal as transmitted from the radio transmitter by measuring on the signal. The measurement is made with respect to spatial orientations and distance between the radio transmitter and the measurement equipment. The method comprises estimating the RF parameter for the signal transmitted by the radio transmitter from the measurement and using the information of spatial radiation pattern, power allocation, and spatial orientations and distance.

Abstract: There is provided a combined antenna and radome arrangement. The combined antenna and radome arrangement comprises an advanced antenna system (AAS). The AAS comprises antenna elements and is configured for communication in a frequency range of 2.5 GHz to 10 GHz. The combined antenna and radome arrangement further comprises a radome. The radome has a first layer sandwiched between two second layers. The two second layers are of a second dielectric material. The first layer is of a first dielectric material and has a thickness t1, where t1??min/3, wherein ?min is the wavelength of the highest frequency in the frequency range of the AAS. The radome is placed in front of the AAS such that the radome forms a cover for the AAS.

Abstract: The present disclosure relates to a system (1) for measurement of antenna alignment of an array antenna system (2) used for wireless communication. The array antenna system (2) has an antenna position (A) relative a first coordinate system (18) and comprises a control unit (3) and an array antenna (4) having an antenna aperture plane (19), a certain coverage (5) and an initial array antenna orientation (B). The array antenna (4) further comprises a plurality of antenna elements (6) and at least two antenna ports (7, 8, 9, 10), each antenna port (7, 8, 9, 10) being connected to a corresponding subarray (11, 12, 13, 14), each subarray (11, 12, 13, 14) comprising at least one antenna element (6). The system (1) comprises the array antenna system (2) and an unmanned aerial vehicle (15), UAV, arranged to be deployed in the coverage (5) and comprising a UAV antenna arrangement (16) and a positioning module (17) that is adapted to provide UAV position information (C) relative the first coordinate system (18).

Abstract: There is provided a combined antenna and radome arrangement. The combined antenna and radome arrangement comprises an advanced antenna system (AAS). The AAS comprises antenna elements and is configured for communication in a frequency range of 2.5 GHz to 10 GHz. The combined antenna and radome arrangement further comprises a radome. The radome has a first layer sandwiched between two second layers. The two second layers are of a second dielectric material. The first layer is of a first dielectric material and has a thickness t1, where t1??min/3, wherein ?min is the wavelength of the highest frequency in the frequency range of the AAS. The radome is placed in front of the AAS such that the radome forms a cover for the AAS.

Abstract: The embodiments herein relate to a method performed by a testing device for enabling testing of a communication node. The testing device measures a test parameter associated with RF characteristics of the communication node when it is located at a test location during a first condition. The communication node is configured with a node setting during the measurement in the first condition. The testing device measures the test parameter associated with the RF characteristics of the communication node when it is located at the test location during a second condition. The communication node is configured with the same node setting in the second condition as in the first condition. The testing device checks whether a result parameter associated with the test parameter measured during the first and second condition fulfills a requirement.

Abstract: The present disclosure relates to a wireless communication system (3) comprising a first network node (1) and a wireless device (2) and is adapted to establish communication between the first network node (1) and the wireless device (2). The 5 wireless device (2) is adapted to obtain information related to a geographic location of the wireless device (2), to transmit the information related to the geographic location to the first network node (1), and to transmit a Sounding Reference Signal, SRS, to the first network node (1). The network node (1, 10) is adapted to receive information related to a geographic location of the wireless device (2), and to determine an antenna configuration of the first network node (1) for communicating with the wireless device (2) via a directive antenna (4), based on the geographic location of the wireless device (2).

Abstract: The embodiments herein relate to a method performed by a testing device for enabling testing of a communication node. The testing device measures a test parameter associated with RF characteristics of the communication node when it is located at a test location during a first condition. The communication node is configured with a node setting during the measurement in the first condition. The testing device measures the test parameter associated with the RF characteristics of the communication node when it is located at the test location during a second condition. The communication node is configured with the same node setting in the second condition as in the first condition. The testing device checks whether a result parameter associated with the test parameter measured during the first and second condition fulfills a requirement.

Abstract: The embodiments herein relate to a method performed by a testing device for enabling testing of a communication node. The testing device measures a test parameter associated with RF characteristics of the communication node when it is located at a test location during a first condition. The communication node is configured with a node setting during the measurement in the first condition. The testing device measures the test parameter associated with the RF characteristics of the communication node when it is located at the test location during a second condition. The communication node is configured with the same node setting in the second condition as in the first condition. The testing device checks whether a result parameter associated with the test parameter measured during the first and second condition fulfills a requirement.

Abstract: The prevent invention provides a plate heat exchanger. The plate heat exchanger comprises heat exchange plates each forms one or more first fluid channels and one or more second fluid channels. The one or more first fluid channels each has a fluid channel upstream portion and a fluid channel downstream portion separated from the fluid channel upstream portion, wherein the fluid channel upstream portion is fluidly communicated via a fluid communication device with the fluid channel downstream portion. The plate heat exchanger according to the present invention achieves uniform distribution of the refrigerant while being independent of the distributors, and, provides different heat exchange regions in the channels on the basis of heat-transfer mechanism correlated to refrigerant evaporation, to reinforce the heat transfer.

Abstract: A heat exchanger is provided comprising a stack of heat exchanger plates (1, 1a, 1b, 1c) formed of sheet metal having a three-dimensional structured pattern (2, 3), each heat exchanger plate (1, 1a, 1b, 1c) having a groove (10), a gasket (9) being arranged in said groove (10) and resting against an adjacent heat exchanger plate (1a), said groove (10) having a bottom inner surface (11), said inner surfacebottom (11) having at least a protrusion (14, 15) directed to said adjacent heat exchanger plate (1a). It is intended to minimize the risk of a leakage. To this end in the region of said protrusion (14, 15) said gasket (9) is compressed more than in a region out of said protrusion (14, 15).