Abstract: A method, system and apparatus are disclosed. According to one or more embodiments, a UE configured to communicate with a first network node and a second network node is provided. The UE is configured to: transmit at least a first uplink reference signal, UL-RS, associated with a first UE antenna port for inter-network node calibration, perform measurements of first and second downlink reference signals, DL-RSs, that are received using the first UE antenna port, determine calibration information based on the measurements of the first and second DL-RSs, and report the calibration information for the inter-network node calibration.

Abstract: A computer-implemented method for enabling compensation of a movement of a first antenna structure having a first antenna mounted thereto, and a node performing such method. The first antenna is configured to communicate with a second antenna over a first wireless communication channel. The method comprises obtaining a difference in propagation delay of a first signal over the first wireless communication channel relative to a first reference delay, and estimating the movement of the first antenna structure based on the estimated difference in propagation delay of the first signal.

Abstract: Embodiments include methods, electronic device, storage medium, and computer program for transmitting Physical Uplink Shared Channel (PUSCH) simultaneously from one or more UE panels. In one embodiment, the method comprises receiving one or more messages to configure a plurality of sounding reference signal (SRS) resource sets; receiving a downlink control information (DCI) message to trigger a PUSCH transmission, where the DCI message includes an SRS resource set indication field to indicate a PUSCH transmission scheme, wherein the PUSCH transmission scheme is selected from a group of PUSCH transmission schemes that includes two or more of a single transmission and reception point (sTRP) transmission, a spatial division multiplexing (SDM) transmission, and a single frequency network (SFN) transmission; and transmitting on a PUSCH using the PUSCH transmission scheme as indicated in the DCI message.

Abstract: There is provided a method performed by a user equipment (UE) in communication with a network node. The method comprises: receiving a sounding reference signal (SRS) configuration, the SRS configuration comprising at least two SRS ports; and sending a power report to the network node, the power report comprising information of a power relation between at least two different SRS ports, wherein the power report is associated with a transmission of the at least two SRS ports.

Abstract: According to some embodiments, a method performed by a wireless device comprising receiving a sounding reference signal (SRS) configuration comprising an indication of a size of a fractional portion of an SRS bandwidth and a location of the fractional portion of the SRS bandwidth to use for sounding and transmitting SRS according to the received SRS configuration.

Abstract: Systems and methods related to signaling of Channel State Information Reference Signal (CSI-RS) configuration for ultra large antenna arrays are disclosed. In one embodiment, a method performed by a User Equipment (UE) comprises receiving, from a network node, a first indication of starting resource elements (REs) for a first subset of code division multiplexing (CDM) groups in a first set of time-frequency resource units and a second indication of starting REs for a second subset of CDM groups in a second set of time-frequency resource units. The method further comprises receiving a first subset of non-zero power (NZP) CSI-RS ports in the first subset of CDM groups, in accordance with the first indication, and receiving a second subset of NZP CSI-RS ports in the second subset of CDM groups, in accordance with the second indication.

Abstract: According to some embodiments, a method performed by a wireless device for transmitting a sounding reference signal (SRS) comprises: receiving a SRS configuration for two or more SRS resource sets; determine a first SRS resource set of the two or more SRS resource sets collides with a second SRS resource set of the two or more SRS resource sets; determining not to transmit SRS using the first SRS resource set; and transmitting SRS using the second SRS resource set.

Abstract: A method, network node and wireless device (WD) for dynamic non-coherent joint transmission channel state information (CSI) indication are disclosed. According to one aspect, a method in a network node includes transmitting a first indication of a set of channel measurement resources (CMRs) for CSI. The CSI includes at least one of: a first CSI for multiple transmission and reception point (multi-TRP) physical downlink shared channel (PDSCH) transmission, and at least one second CSI for PDSCH transmission from one TRP. The method includes transmitting a second indication of a first subset of the set of CMRs to use for determining the first CSI. The method includes configuring the WD to use a second subset of the set of CMRs for determining the at least one second CSI, and receiving a CSI report comprising at least one of the first CSI and the at least one second CSI.

Abstract: According to some embodiments, a method performed by a wireless device comprises receiving a sounding reference signal (SRS) configuration for a SRS resource set. The SRS resource set comprises a plurality of SRS resources. The SRS configuration comprises a first periodicity for a first subset of the plurality of SRS resources and a second periodicity for a second subset of the plurality of SRS resources. The method further comprises transmitting the first subset of SRS resources according to the first periodicity and transmitting the second subset of SRS resources according to the second periodicity.

Abstract: In one embodiment, a method performed by a User Equipment (UE) comprises, for each of one or more Resource Blocks (RBs) allocated for a configured Phase Tracking Reference Signal (PT-RS) port, determining a PT-RS subcarrier offset for the PT-RS port from a table based on a Demodulation Reference Signal (DMRS) port associated to the PT-RS port, a DMRS configuration type, and a resource element offset parameter configured for the UE. The associated DMRS port is one of a plurality of DMRS ports. Each row of the table is associated with one DMRS port and defines different PT-RS subcarrier offsets for a PT-RS port associated to that DMRS port for different resource element offset parameter values for at least one DMRS configuration type. The method further comprises, for each of the allocated RBs, transmitting/receiving a PT-RS on the PT-RS port in the RB in accordance with the determined PT-RS subcarrier offset.

Abstract: A user equipment (120), which has been configured by a network (110) to operate as coordinator UE in a reconfigurable virtual user equipment, RVUE, which further includes at least one non-coordinator UE. The coordinator UE is configured to: indicate to the network a capability of RVUE-coordinated beam management; receive from the network a configuration of a RVUE-coordinated beam management procedure, in which a beam-reporting task is delegated from the non-coordinator UEs to the coordinator UE; and perform measurements and reporting in accordance with the configuration of the RVUE-coordinated beam management procedure. In some embodiments, the coordinator UE is configured to transmit a beam report (310) with a mandatory report part (311) and an optional report part (312), where the mandatory report part indicates a beam preferred by the coordinator UE (e.g., on the basis of its own measurements), and the optional report part indicates a beam preferred by a non-coordinator UE.

Abstract: There is provided a repeater node for dual-polarized beamforming towards user equipment. The repeater node comprises a first antenna array for communication with a transmission and reception point of a network node, and a second antenna array for communication with the user equipment. The first antenna array comprises antenna elements of a first polarization and antenna elements of a second polarization. The second antenna array comprises antenna elements of a third polarization and antenna elements of a fourth polarization. The antenna elements of the first antenna array are connectible to the antenna elements of the second antenna array via circuitry. The antenna elements of each of the first polarization and the second polarization in the first antenna array are, via the circuitry, connectable to antenna elements of both the third polarization and the fourth polarization in the second antenna array.

Abstract: According to certain embodiments, a method performed by a wireless device comprises receiving sounding reference signal (SRS) configuration information from a network node. The SRS configuration information indicates a configuration associated with one or more SRS resources. At least a portion of the SRS configuration information is received in one or more Medium Access Control-Control Element (MAC-CE) messages. The method further comprises configuring the one or more SRS resources based at least in part on the SRS configuration information.

Abstract: A method (200) performed by a UE (102). The method includes receiving (s202) one or more messages for activating at least i) a first set of configured TCI states and ii) a second set of configured TCI states, wherein the first set of activated TCI states is associated with a first PCI and indicates a first set of reference signals, and the second set of activated TCI states is associated with a second PCI and indicates a second set of reference signals. The method also includes performing (s204) beam failure detection, BFD, monitoring. Performing the BFD monitoring comprises: determining (s206) whether a beam failure with respect to the first PCI has occurred based on the first set of reference signals; and determining (s208) whether a beam failure with respect to the second PCI has occurred based on the second set of reference signals.

Abstract: The invention relates to a wireless communication device 1 having an upper part 10 and a bottom part 11, the upper part 10 comprising one or more transmission antenna device(s) 12a, 12b; 15. The upper part 10 and the bottom part 11 are arranged movably in relation to each other, so that the bottom part 11, in use mode, is closer to the user than the upper part 10. The bottom part 11 comprises one or more reception antenna device(s) 14a, 14b, 14c, 14d.

Abstract: According to some embodiments, a method performed by a wireless device for transmitting on a plurality of antennas comprises signaling, to a network node, a wireless device power transmission capability. The wireless device power transmission capability identifies a power ratio value of a plurality of power ratio values that the wireless device supports for transmission of a physical uplink channel. Each value of the plurality of power ratio values corresponds to a transmission power capability and to a number of antenna ports. A power ratio refers to a ratio relative to a maximum power the wireless device is rated to transmit. The method further comprises transmitting a physical uplink channel using the 0 number of antenna ports with a power scaled at least by the power ratio value.

Abstract: A method, system and apparatus are disclosed. A wireless device (WD) configured to communicate with a network node is described. The WD is configured for allocating demodulation reference signal (DMRS) ports for physical uplink shared channel (PUSCH) transmission. The WD is configured to receive an indication of a codepoint of an antenna port field for scheduling a PUSCH, the codepoint indicating an allocation of DMRS ports to at least a first code division multiplexing, CDM, group, the indication indicating at least 5 PUSCH, layers. The WD is also configured to determine a DMRS port configuration based at least in part on the codepoint and to transmit reference signaling according to the determined DMRS port configuration.

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: Provided are communication methods and related devices and nodes for prohibition, allowance, or adaption of a sounding reference signal (SRS) configuration having a non-supported SRS sequence length. A method performed by a communication device comprises at least one of (i) receiving a SRS configuration from a network node having an SRS sequence length that is non-supported by the communication device, the SRS configuration involving at least one of a bandwidth configuration, a transmission comb configuration, and a partial sounding factor configuration, and (ii) not receiving the SRS configuration based on a determination by the network node that the SRS configuration has an SRS sequence length that is not supported by the communication device. The method also comprises prohibiting or allowing the SRS configuration.

Abstract: According to some embodiments, a method performed by a wireless device comprises obtaining an SRS configuration for an SRS resource having a base SRS sequence. The SRS configuration comprises a number of SRS ports in the SRS resource, a transmission comb of value 8, and an indication of a set of cyclic shifts for use with the SRS resource. The indicated set of cyclic shifts is a subset of a set of cyclic shifts of the base SRS sequence. Each cyclic shift in the subset of cyclic shifts results in an SRS sequence orthogonal to the base SRS sequence. The method further comprises transmitting an SRS using transmission comb 8 and the indicated set of cyclic shifts.