Abstract: Method, system and computer program product for providing a second digital video stream. In a collecting step, a first and a second primary digital video stream are collected from at least two different digital video sources. In a first production step, a first produced video stream is produced based on the first and second primary streams. In a second production step, the second stream is produced based on the first produced stream and also based on the first and second primary streams. In the second production step, the first and second primary streams are time-delayed so as to time-synchronise them with the first produced stream, taking into consideration a latency of the first produced stream resulting from the first production step, the second produced stream being produced based on the time-delayed first and second primary streams.

Abstract: Method, system and computer program product for providing a second digital video stream. In a collecting step, a first and a second primary digital video stream are collected from at least two different digital video sources. In a first production step, a first produced video stream is produced based on the first and second primary streams. In a second production step, the second stream is produced based on the first produced stream and also based on the first and second primary streams. In the second production step, the first and second primary streams are time-delayed so as to time-synchronise them with the first produced stream, taking into consideration a latency of the first produced stream resulting from the first production step, the second produced stream being produced based on the time-delayed first and second primary streams.

Abstract: A method of transmitting an uplink transmission by a wireless device is disclosed. The method comprises a wireless device receiving signaling configuring the wireless device with a plurality of Sounding Reference Signal (SRS) resources. The wireless device subsequently receives an indication, in a physical layer downlink control channel, of a selected plurality of SRS resources selected from among the plurality of configured SRS resources and transmits a plurality of multiple-input multiple-output (MIMO) layers of a PUSCH transmission. The selected plurality of SRS resources map to respective ones of the plurality of MIMO layers and the indication of the selected plurality of SRS resources includes SRS resource indexes with a fixed order that corresponds to an order in which the SRS resources of the selected plurality of SRS resources are mapped to the MIMO layers.

Abstract: In a multi-BPL scenario, some form of beam-related indication is desirable to provide assistance to the UE in setting its Rx spatial filtering configuration to receive PDSCH. The assistance to the UE is in the form of a certain indicator indicating a spatial QCL assumption between PDSCH DMRS antenna port(s) and DL RS (e.g., CSI-RS) antenna port(s), such as a preferred CSI-RS resource that was measured and reported previously.

Abstract: Systems and methods relating to frequency-selective Sounding Reference Signal (SRS) precoding and uplink transmission are disclosed. In some embodiments, a method of operation of a wireless device comprises transmitting SRS on a first set of frequency-domain resources, and receiving an uplink scheduling assignment for an uplink physical channel comprising a resource allocation of a second set of frequency-domain resources comprising: (a) one or more frequency-domain resources that are also included in the first set and (b) one or more frequency-domain resources that are not included in the first set. In order to form a precoded uplink channel, the method further comprises: for each frequency-domain resource in (a), applying a same precoding as applied to the SRS on the frequency-domain resource; and, for each frequency-domain resource in (b), applying a same precoding as applied to the SRS on a different frequency-domain resource. The method further comprises transmitting the precoded uplink channel.

Abstract: Methods, systems, and computer program products for providing a second digital video stream. A first and a second primary digital video stream are collected from at least two different digital video sources. A first produced video stream is produced based on the first and second primary streams. A second stream is produced based on the first produced stream and also based on the first and second primary streams. The first and second primary streams are time-delayed so as to time-synchronise them with the first produced stream, taking into consideration a latency of the first produced stream. The second produced stream is produced based on the time-delayed first and second primary streams.

Abstract: Systems and methods for beam selection for communication with a Transmit/Receive Point (TRP) are provided. In some embodiments, a method performed by a wireless device for beam selection for communication with a TRP includes: determining how the TRP changes a polarization state for a series of Synchronization Signal Block (SSB) bursts; sweeping through candidate Receive (RX) beams during SSB reception using an order based on how the TRP changes the polarization state; and combining channel measurements from sweeping through the candidate RX beams to determine a target RX beam of the candidate RX beams. In this way, wireless device beam selection can be improved which will improve Downlink (DL) performance. In case the wireless device has beam correspondence, the wireless device RX beam is also likely to be used as the Uplink (UL) Transmit (TX) beam, and in that case UL performance will also be improved.

Abstract: Method, systems and computer program product for providing a shared digital video stream. A first and a second digital video stream are collected. The shared stream is produced based on said first stream, so that the first source is visible in the shared stream, but so that the second source is not visible in the shared stream. A latency with respect to the first and the second digital video stream is deliberately introduced. The first and/or second stream are analyzed in to detect a trigger, based on detection of a predetermined image and/or audio pattern. The shared stream is produced based on the second stream and/or based on the first source, but with at least one of: a different cropping, a different zooming, a different panning or a different focus plane selection. The output stream is provided to a consumer.

Abstract: Systems and methods for associating power control states with Transmission Configuration Indicator (TCI) states are provided. In some embodiments, a method performed by a wireless communication device comprises obtains information that indicates associations between two or more power control states and: (a) two or more TCI states, (b) two or more uplink (UL) channels, (c) two or more UL resources, (d) two or more UL resource sets, (e) two or more UL resource groups, or (f) any combination of two or more of (a)-(e). In this way, some embodiments herein enable efficient signaling to associate the TCI states with the power control states.

Abstract: There is provided mechanisms for configuring beamforming settings. A method is performed by a wireless radio transceiver device configured to communicate in directional beams. The method comprises obtaining a performance indication requiring configuration of the beamforming settings of the wireless radio transceiver device. The method comprises selecting a similarity measure objective based on what kind of performance indication was obtained. The method comprises determining, based on the similarity measure objective and results from a similarity measure procedure applied to pairs of received signals, an order in which to evaluate the directional beams when configuring the beamforming settings.

Abstract: There is provided mechanisms for transmission of reference signals. A method is performed by a terminal device. The terminal device comprises at least two physical antenna ports. The method comprises creating a virtual antenna port for, and applied over, at least two of the physical antenna ports. The method comprises transmitting, in the virtual antenna port, as many uplink reference signals as there are physical antenna ports.

Abstract: There is provided mechanisms for polarized reception of reference signals. A method is performed by a terminal device. The terminal device is equipped with an antenna array having dual-polarized antenna elements. The antenna array is connected to a baseband chain in the terminal device. The method comprises receiving, during a beam management procedure with a TRP, two reference signals transmitted in one OFDM symbol each from the same TRP port within a slot. The two reference signals are received using a filter with a first polarization for a first of the two reference signals and with a second polarization for a second of the two reference signals. The second polarization is orthogonal to the first polarization.

Abstract: A method for beamformed transmission towards groups of terminal devices. Each terminal device is, according to a bandwidth part (BWP) configuration, configured with a BWP set. One BWP in the BWP set is an active BWP for the terminal device. The method is performed by a network node. The method comprises configuring a new terminal device entering one of the groups with an active BWP based on frequency overlap avoidance with the active BWPs of the terminal devices already part of the group entered. The method comprises serving all terminal devices by performing beamformed transmission towards the terminal devices in accordance with the active BWPs.

Abstract: There is provided a method performed by a UE for performing a plurality of CSI measurements for CSI reporting, wherein at least a first of the plurality of CSI measurements is based on a single CSI-RS resource and at least a second of the plurality of CSI measurements is based on a pair of CSI-RS resources, the UE being configured with a set of CMRs and a set of IMRs.

Abstract: A method performed in a network node is provided for alerting about failure of an unmanned aerial vehicle. The method comprises receiving a failure report from an unmanned aerial vehicle, obtaining an estimated crash point for the unmanned aerial vehicle, and sending, based on the obtained estimated crash point, warning signals to communication devices residing within a defined area. Methods in an unmanned aerial vehicle and in a network entity, and a network node, unmanned aerial vehicle, network entity, computer programs and computer program products are also provided.

Abstract: A method of configuring a dual polarized antenna array for communication between a wireless device (120) and a wireless access network (100), the antenna array comprising antenna elements with respective polarizations, where each antenna element is associated with a respective beamforming weight, the method comprising configuring the antenna array for transmission by a first set of beamforming weights wTX1, wherein the first set of beamforming weights is arranged to provide a transmit antenna port connected to antenna elements of a first polarization and of a second polarization, wherein the transmit antenna port is associated with an antenna power pattern; transmitting a first signal via the transmit antenna port on a downlink, DL, from the antenna array to the wireless device; configuring the antenna array for reception by a second wRX1 and a third wRX2 set of beamforming weights, wherein the second set of beamforming weights wRX1 is arranged to provide a first receive antenna port connected to antenna elem

Abstract: A method for beam management, which method is performed by a network node. The method provides for using a first receive, RX, beam to receive a first signal transmitted by a user equipment, UE. The method then provides for obtaining, based on the first signal received using the first RX beam, a first received signal power value, P1. The method then provides for using a second RX beam to receive the first signal or another signal transmitted by the UE. The method then provides for obtaining, based on the signal received using the second RX beam, a second received signal power value, P2. The method then provides for determining whether P2 exceeds P1 by at least a threshold. The method then provides for determining whether to initiate a beam sweep based on whether or not P2 exceeds P1 by at least the threshold.

Abstract: There is provided mechanisms for determining a UL MIMO transmission state for a UE. A method is performed by a network node. The method comprises obtaining interference affecting network information for the UE. The method comprises signalling an indication of the UL MIMO transmission state towards the UE. The UL MIMO transmission state reflects a rank value. The rank value is a function of the interference affecting network information.

Abstract: A method of transmitting an uplink transmission by a wireless device is disclosed. The method comprises a wireless device receiving signaling configuring the wireless device with a plurality of Sounding Reference Signal (SRS) resources. The wireless device subsequently receives an indication, in a physical layer downlink control channel, of a selected plurality of SRS resources selected from among the plurality of configured SRS resources and transmits a plurality of multiple-input multiple-output (MIMO) layers of a PUSCH transmission. The selected plurality of SRS resources map to respective ones of the plurality of MIMO layers and the indication of the selected plurality of SRS resources includes SRS resource indexes with a fixed order that corresponds to an order in which the SRS resources of the selected plurality of SRS resources are mapped to the MIMO layers.

Abstract: A method, system, and apparatus are disclosed for common spatial filter updates for multi-DCI based multi-TRP systems. A method implemented by a network node is provided. At least one downlink resource for transmission is determined, where the at least one downlink resource belongs to a first CORESET of a plurality of CORESETs, which is associated with a respective CORESET pool index. The at least one first downlink signal is transmitted to the wireless device on the determined at least one downlink resource. At least one second downlink signal is transmitted where the at least one second downlink signal is received by the wireless device based on a QCL parameter, associated with the CORESET pool index. At least one uplink signal is transmitted by the wireless device based on a first spatial domain filter which is associated with the CORESET pool index.