Abstract: An antenna mounting bracket for pivotably mounting a directional antenna to a fixed structure, the antenna mounting bracket comprising a fixed part arranged to be attached to the fixed structure and a pivotable part arranged to hold the directional antenna, wherein the pivotable part is pivotably attached to the fixed part about a first pivoting axis A, and where a pivoting angle of the pivotable part relative to the fixed part is arranged to be controlled by an alignment member comprising a differential screw mechanism.

Abstract: A demodulator (310) for a microwave radio link transceiver (110, 300), comprising an input port (311, 312) arranged to receive a radio signal (Din, Sin), a slicer module (313) arranged to detect an information signal (Sdet, 201) comprised in the received radio signal, an interference detection module (314) arranged to determine a difference signal as a difference between the received radio signal (Din, Sin), and the detected information signal (Sdet), wherein the interference detection module (314) is arranged to detect one or more interference signals (202, 203, 204) by identifying signal content comprised in the difference signal, the signal content being associated with a signal power (230) above a pre-determined threshold level (260, 261), wherein the interference detection module (314) is further arranged to associate at least one of the detected interference signals (202, 203, 204) with one or more respective identification features, and wherein the demodulator (310) comprises an output port (315) arran

Abstract: The present invention relates to controlling a wind turbine with a scaled power coefficient where the scaled power coefficient is determined in an adjustment process. In particular is disclosed control of a wind turbine in a partial load operation mode based on a tip-speed ratio (TSR) tracking scheme which based on an estimated wind speed determines a power setpoint. The disclosed adjustment process comprises setting a scaled power coefficient as a predetermined power coefficient multiplied by a scaling factor; adding a time-varying perturbation signal to the power setpoint; determining a transfer function from the perturbation signal to a power error; evaluate the frequency response of the transfer function over a time period to determine the scaling factor which minimizes the gain of the transfer function; and setting the operating power coefficient as the scaled power coefficient.

Abstract: A control unit for a microwave radio link, RL, transceiver, wherein the control unit is arranged to: obtain information related to a current traffic capacity of the RL transceiver and a desired traffic capacity of the RL transceiver, and characterize at least one interference signal at least by determining, for each of the at least one interference signal, a respective frequency distance from a band edge of a communication frequency band of the RL transceiver to an interference frequency band of the interference signal, wherein, when the current traffic capacity is smaller than the desired traffic capacity, the control unit is arranged to increase a bandwidth of the communication frequency band by adjusting the communication frequency band of the RL transceiver in dependence of the determined frequency distance, and wherein, when the current traffic capacity is larger than the desired traffic capacity, the control unit is arranged to decrease the bandwidth of the communication frequency band by adjusting the

Abstract: We generally describe an antenna, in particular a parabolic antenna, comprising: a primary reflector, in particular a parabolic dish, a feed antenna and/or a secondary reflector for transmitting and/or reflecting an electromagnetic wave towards the primary reflector and/or receiving a said electromagnetic wave reflected from the primary reflector, a feed coupled to the feed antenna and/or secondary reflector, wherein the feed antenna and/or secondary reflector is coupleable, via the feed, to a radio-frequency transmission and/or reception device, and an actuator unit coupled to one or more of the feed antenna, the secondary reflector and the feed, wherein the actuator unit is configured to move the feed antenna and/or the secondary reflector, by exerting a mechanical force on the feed antenna and/or the secondary reflector and/or the feed, relative to the primary reflector.

Abstract: A microwave radio system and a method of generating an operational frequency in the microwave radio system. The microwave radio system includes at least one radio link. Each radio link has one or more radio unit(s). Each radio link has a common local oscillator (LO) which is configured to transmit a common LO frequency signal to each of the radio units of each radio link. Each radio link has a respective joint transmission line arranged to be coupled to each respective radio unit and configured to carry a plurality of signals comprising the common LO frequency signal to each of the respective radio units of each radio link. The common LO is arranged remotely from the one or more radio unit(s) and each radio unit is configured to receive and convert the transmitted common frequency signal of the common LO to an operational radio frequency of each radio unit.

Abstract: The present disclosure relates to an oscillator device (1, 1?, 1?, 1??) comprising an active circuit device (2, 2??), a circuit board (3) and a cavity resonator (4, 4?). The active circuit device (2, 2??) comprises an amplifier unit (5), and the circuit board (3) comprises a first main side (6) and a 5 second main side (7), where the active circuit device (2, 2??) is mounted to the first main side (6). The cavity resonator (4, 4?) is positioned on the second main side (7). The oscillator device (1) further comprises at least one excitation via connection (8) that runs through the circuit board (3) and electrically connects the active circuit device (2, 2??) to an excitation structure (9) inside the cavity resonator (4, 4?).

Abstract: The present disclosure relates to an un-manned aerial vehicle (200) for aligning a first directive antenna (101) in a direction D1 towards a second antenna (102), comprising a docking interface (210) arranged to attach the aerial vehicle (200) to a first alignment device (110) of the first directive antenna (101) and an alignment actuator (220) arranged to mechanically interface with the alignment device (110) and to actuate alignment of the first directive antenna (101) based on an alignment control signal. The aerial vehicle further comprises a control unit (230) configured to generate an alignment control signal.

Abstract: The present disclosure relates to a radio unit (420, 420A, 420B) adapted for cross-polar signal transfer (230), comprising an optical transmit interface (430, 430A, 430B) and an optical receive interface (440, 440A, 440B) which are arranged to transfer cross-polar signals for cross-polar interference cancellation, XPIC, to and from an external source, respectively. The optical transmit interface (430, 430A, 430B) and the optical receive interface (440, 440A, 440B) are arranged at equal distances (D) from a symmetry line (450) of the interfaces, and in a plane (451) perpendicular to the symmetry line (450). Upon rotation of the radio unit (420, 420A, 420B) about the symmetry line (450) by 180 degrees, the optical transmit interface after rotation aligns with the optical receive interface before rotation, and the optical receive interface after rotation aligns with the optical transmit interface before rotation.

Abstract: The present disclosure relates to an oscillator device (15) comprising an amplifier unit (16) and a tunable waveguide resonator (1) which in turn comprises a rectangular waveguide part (2) having electrically conducting inner walls (3) and a first waveguide port (4). The amplifier unit (16) is arranged to be electrically connected to the waveguide resonator (1) via the first waveguide port (4) by means of a first connector (17). The waveguide resonator (1) comprises at least one tuning element (6) positioned within the waveguide part (2), wherein each tuning element (6) comprises an electrically conducting body (7) and a holding rod (8a, 8b). The holding rod (8a, 8b) is attached to the electrically conducting body (7) and is movable from the outside of the waveguide resonator (1) such that the electrically conducting body (7) can be moved between a plurality of positions within the waveguide part (2) by means of the holding rod (8a, 8b).

Abstract: The present disclosure relates to a radio unit (420, 420A, 420B) adapted for cross-polar signal transfer (230), comprising an optical transmit interface (430, 430A, 430B) and an optical receive interface (440, 440A, 440B) which are arranged to transfer cross-polar signals for cross-polar interference cancellation, XPIC, to and from an external source, respectively. The optical transmit interface (430, 430A, 430B) and the optical receive interface (440, 440A, 440B) are arranged at equal distances (D) from a symmetry line (450) of the interfaces, and in a plane (451) perpendicular to the symmetry line (450).

Abstract: The present disclosure relates to an oscillator device (15) comprising an amplifier unit (16) and a tunable waveguide resonator (1) which in turn comprises a rectangular waveguide part (2) having electrically conducting inner walls (3) and a first waveguide port (4). The amplifier unit (16) is arranged to be electrically connected to the waveguide resonator (1) via the first waveguide port (4) by means of a first connector (17). The waveguide resonator (1) comprises at least one tuning element (6) positioned within the waveguide part (2), wherein each tuning element (6) comprises an electrically conducting body (7) and a holding rod (8a, 8b). The holding rod (8a, 8b) is attached to the electrically conducting body (7) and is movable from the outside of the waveguide resonator (1) such that the electrically conducting body (7) can be moved between a plurality of positions within the waveguide part (2) by means of the holding rod (8a, 8b).

Abstract: The present disclosure relates to a device (140) adapted for aligning a first directive antenna (101) in an alignment direction D1 towards a second antenna (102). The device is adapted to acquire measurement data regarding: ?—a first signal power (301) received from the second antenna (102) using a first effective antenna aperture (202) when the first directive antenna (101) is moved along an angular span (306) passing a desired alignment angle (307) along a certain direction (111, 112); and ?—a second signal power (302) received from the second antenna (102) using a second effective antenna aperture (203) when the first directive antenna (101) is moved along an angular span (306) passing a desired alignment angle (307) along a certain direction, the second effective antenna aperture (203) being smaller than the first effective antenna aperture (202).

Abstract: The present disclosure relates to a device (140) adapted for aligning a first directive antenna (101) in an alignment direction D1 towards a second antenna (102). The device is adapted to acquire measurement data regarding: ?—a first signal power (301) received from the second antenna (102) using a first effective antenna aperture (202) when the first directive antenna (101) is moved along an angular span (306) passing a desired alignment angle (307) along a certain direction (111, 112); and?—a second signal power (302) received from the second antenna (102) using a second effective antenna aperture (203) when the first directive antenna (101) is moved along an angular span (306) passing a desired alignment angle (307) along a certain direction, the second effective antenna aperture (203) being smaller than the first effective antenna aperture (202).

Abstract: The present disclosure relates to an un-manned aerial vehicle (200) for aligning a first directive antenna (101) in a direction D1 towards a second antenna (102), comprising a docking interface (210) arranged to attach the aerial vehicle (200) to a first alignment device (110) of the first directive antenna (101) and an alignment actuator (220) arranged to mechanically interface with the alignment device (110) and to actuate alignment of the first directive antenna (101) based on an alignment control signal. The aerial vehicle further comprises a control unit (230) configured to generate an alignment control signal.

Abstract: A system for antenna alignment of a directional antenna used for wireless communication with respect to a target location. The system comprising the directional antenna and an unmanned aerial vehicle, UAV, arranged to be deployed in relation to the target location. The system is configured for transmission of an alignment signal between the UAV and the directional antenna and also for measuring a level of antenna alignment of the directional antenna with respect to the target location, based on the alignment signal transmission.

Abstract: A system for antenna alignment of a directional antenna used for wireless communication with respect to a target location. The system comprising the directional antenna and an unmanned aerial vehicle, UAV, arranged to be deployed in relation to the target location. The system is configured for transmission of an alignment signal between the UAV and the directional antenna and also for measuring a level of antenna alignment of the directional antenna with respect to the target location, based on the alignment signal transmission.

Abstract: A system for antenna alignment of a directional antenna used for wireless communication with respect to a target location. The system comprising the directional antenna and an unmanned aerial vehicle, UAV, arranged to be deployed in relation to the target location. The system is configured for transmission of an alignment signal between the UAV and the directional antenna and also for measuring a level of antenna alignment of the directional antenna with respect to the target location, based on the alignment signal transmission.

Abstract: The device relates to a method for the cleaning of animal stalls, which have a number of spaces that are to be cleaned by means of an automatic clean device. The method is characterized by the steps of (a) positioning the device in a parking position, in which the device can reach into and clean a first space, (b) cleaning of the first space through manual controlling of the device, (c) the repetition of steps (a) and (b) until all the spaces in the premises which are to be cleaned have been cleaned by the device, programming the device with the movements which were performed during the above-mentioned steps, by means of signals representing these movements which are supplied to a control unit, through registering the movements performed by storage of the steps in a memory which is provided in a control unit which is part of the device, and the use of the contents of the memory during the next cleaning of the same animal stall as a program for the control unit for the automatic controlling of the device.