Abstract: Methods and and apparatuses for PUSCH beamforming and pathloss reference indication in a wireless communications network. A method performed by a UE comprises: receiving from a network node, a PDCCH transmission on a control resource set or a signaling via a higher layer, a higher layer grant, that schedules one or more PUSCH transmission occasions, and r eceiving, from a network node, via a higher layer, one or more IEs, SRI-PUSCH-PowerControl IEs, which provide power control settings for the transmission of at least one PUSCH, wherein each SRI-PUSCH-PowerControl IE indicates or maps to at least one pathloss reference RS; obtaining a first pathloss reference RS for a first PUSCH transmission scheduled by said PDCCH or higher layer signaling from a first SRI-PUSCH-PowerControl IE; and obtaining a second pathloss reference RS for a second PUSCH transmission scheduled by said PDCCH or higher layer signaling from a second SRI-PUSCH-PowerControl IE.

Abstract: A user device UE for a wireless communication with a plurality of wireless network elements includes a plurality of antennas. The plurality of antennas are configured to form a plurality of spatial or directional beams. The user device is configured to provide simultaneously a plurality of independent wireless communication links using the plurality of spatial or directional beams, wherein the user device is configured to provide a first wireless communication link with a first wireless network element using a first spatial or directional beam and to provide a second wireless communication link with a second wireless network element using a second antenna beam.

Abstract: A seal assembly comprising: a housing defining a groove; a seal disposed in the groove of the housing; and a coupling element adapted to restrict relative movement between the housing and the seal.

Abstract: A receiver includes an antenna for a wireless communication with a transmitter and a signal processor to process a radio signal received via a radio channel. The receiver constructs a codebook including sets of beamforming weights for a plurality of directions. The beamforming weights are based on a first antenna array response matrix of a transmitter antenna array. The transmitter selects beamforming weights from the codebook to form a transmit/receive beam pointing in a selected direction. The receiver calculates one or more characteristic matrices based on a model of the transmitter antenna array, and constructs the codebook using a second antenna array response matrix and the one or more calculated characteristic matrices.

Abstract: The embodiments herein relate to a method performed by a network node and a network node. The method comprises setting a higher-layer parameter usage in at least one sounding reference signal, SRS, resource set configuration to nonCodebook or Codebook, wherein each configured SRS resource set comprises one or more SRS resources, and scheduling a physical uplink shared channel (PUSCH) transmission via a downlink control information (DCI) wherein at least two SRS resources are indicated via a sounding reference signal resource indicator (SRI) field of the DCI, wherein each SRS resource is associated with a different SRS resource set; and receiving from the user equipment a physical uplink shared channel that is transmitted using the ports associated with the indicated SRS resources.

Abstract: A method for providing feedback about a MIMO channel between a transmitter and a receiver in a wireless communication system includes receiving a radio signal which includes one or more reference signals according to at least one reference signal configuration known at the receiver and indicating one or more antenna ports associated with the reference signals; estimating the MIMO channel based on measurements on the reference signals; determining a precoding vector or matrix based on the estimated MIMO channel, on one or more vectors or one or more combinations of vectors from at least one port-selection codebook and on a set of precoding coefficients, the port-selection codebook including vectors, each vector being associated with one of the antenna ports and having a single element which is one and the remaining elements being zeros; and reporting, a feedback to the transmitter which indicates the determined precoding vector or matrix.

Abstract: The embodiments herein relate to method performed by a radio network node or a LMF, a method performed by a UE and a UE for downlink and uplink beam management for positioning measurements. The method comprising at least: configuring the target UE; receiving at least one report from the UE; exchanging the report(s) with neighboring network nodes and/or a location measurement function; providing instructions the UTE; receiving at least one measurement report from the UE; and estimating the location of the UE using received information.

Abstract: An apparatus configured for wirelessly communicating in a wireless communications network includes a wireless interface configured for wireless communication and a controller configured for controlling a beam pattern of the wireless interface and at least one communication parameter of the wireless interface. The apparatus is configured for receiving a locking signal indicating a request for locking at least a part of the beam pattern and the at least one communication parameter. The controller is configured for locking at least the part of the beam and the at least one communication parameter responsive to the locking signal.

Abstract: A method performed by a UE for providing CSI feedback in the form of CSI reports in a wireless communication system includes receiving, from a gNB, higher layer configurations of one or more downlink reference signals, and CSI report configurations associated with the downlink reference signal configurations, and a radio signal including the downlink reference signals according to the one or more downlink reference signal configurations, the downlink reference signals provided over a configured number of frequency domain resources, time domain resources and one or more ports; determining, for each CSI report, a precoding matrix based on the downlink reference signals and two codebooks, and one or more non-zero combining coefficients for complex combining of one or more spatial domain and delay domain basis vectors; and reporting to the network node the CSI reports for the CSI report configurations.

Abstract: A method performed by a UE for providing CSI feedback in the form of CSI reports in a wireless communication system includes receiving, from a gNB, higher layer configurations of one or more downlink reference signals, and CSI report configurations associated with the downlink reference signal configurations, and a radio signal including the downlink reference signals according to the one or more downlink reference signal configurations, the downlink reference signals provided over a configured number of frequency domain resources, time domain resources and one or more ports; determining, for each CSI report, a precoding matrix based on the downlink reference signals and two codebooks, and one or more non-zero combining coefficients for complex combining of one or more spatial domain and delay domain basis vectors; and reporting to the network node the CSI reports for the CSI report configurations.

Abstract: The present disclosure relates to methods and apparatuses suitable for an uplink beamforming framework for advanced radio technologies such as 5G. The method performed by a user equipment (UE) comprises: receiving, from a network node, via a higher layer, a configuration of an Information element (IE) comprising a set of parameters used for the configuration of an UL beam direction or a spatial filter to be used in a UL transmission; wherein the IE contains at least: an ID unique to each IE and an ID of an UL reference signal, RS resource or a DL RS resource; and applying the UL beam direction or spatial filter IE for the transmission of one or more of the PUSCH, PUCCH resource(s) and/or Sounding Reference Signal, SRS resource(s).

Abstract: An apparatus for a wireless communication system is to transmit a reference signal on a common set of resource elements, REs, the common set of REs used by one or more further apparatuses in the wireless communication system to transmit the reference signal so that the reference signals of the apparatus and of the one or more further apparatuses use the same REs. The reference signal is transmit using OFDM symbols and the same sequence having a zero auto correlation property is applied to each OFDM symbol. A phase correction is applied to an OFDM symbol before transmission, wherein a correction factor of the phase correction depends on a comb factor and a comb offset of the OFDM symbol and is independent of the resource element.

Abstract: Method performed by a UE for providing a channel state information (CSI) feedback in a wireless communication system including at least the UE and a gNB or a radio network node. The UE is operative to: estimate the MIMO channel between the gNB and the UE based on received DL reference signals for the configured resource blocks. The UE is further operative to calculate, based on a performance metric, a precoder matrix, for a number of antenna ports of the gNB and configured subbands, the precoder matrix being based on two codebooks and a set of combination coefficients for complex scaling/combining one or more of vectors selected from a first codebook and a second codebook, and the UE is operative to report a CSI feedback and/or a PMI and/or a PMI/RI, to the gNB, used to indicate the precoder matrix for the configured antenna ports and resource blocks.

Abstract: The embodiments herein relate to method performed by a radio network node, a network node, a method performed by a UE and a UE for reducing feedback overhead. The method performed by the UE comprises at least: decomposing each entry corresponding to a (i, j)-th combining coefficient of a precoder matrix into at least two coefficients; quantizing, separately, each of said at least two coefficients with a least one bit, and reporting information related to at least one phase value or at least one amplitude value or at least one phase value and an amplitude value of said quantized coefficient.

Abstract: An apparatus includes an antenna and a transceiver. The transceiver transmits a first signal via the antenna, the first signal including a unique identification of the apparatus and a request for receive information about the first signal at a receiver. The transceiver receives from the receiver a second signal via the antenna, the second signal including first information about a direction of arrival (DoA) of the first signal at the receiver and second information indicative of a location of the receiver.

Abstract: The present disclosure relates to methods and apparatuses (UE, network node or gNB) for CSI reporting. The method performed by a UE comprises: receiving from the gNB, a radio signal via a MIMO channel, wherein the radio signal contains at least one DL-RS according to a DL-RS configuration; estimating said MIMO channel based on said received at least one DL reference signal for configured subbands; calculating a precoder matrix or a CSI matrix for a number of antenna ports of the gNB and configured subbands; the precoder matrix bcing based on a first codebook and on a second codebook and a set of combining coefficients for complex scaling/combining one or more of vectors selected from the first codebook and the second codebook; and reporting to the gNB, a CSI feedback report and/or a PMI/RI, used to indicate the precoder matrix or the CSI matrix for the configured antenna ports and subbands.

Abstract: The present disclosure relates to methods and apparatuses (UE, network node or gNB) for CSI reporting. The method performed by a UE comprises: receiving from the gNB, a radio signal via a MIMO channel, wherein the radio signal contains at least one DL-RS according to a DL-RS configuration; estimating said MIMO channel based on said received at least one DL reference signal for configured subbands; calculating a precoder matrix or a CSI matrix for a number of antenna ports of the gNB and configured subbands; the precoder matrix based on a first codebook and on a second codebook and a set of combining coefficients for complex scaling/combining one or more of vectors selected from the first codebook and the second codebook; and reporting, to the gNB, a CSI feedback report and/or a PMI/RI, used to indicate the precoder matrix or the CSI matrix for the configured antenna ports and subbands.

Abstract: The embodiments herein relate to a method performed by a network node and a network node. The method comprises setting a higher-layer parameter usage in at least one sounding reference signal, SRS, resource set configuration to nonCodebook or Codebook, wherein each configured SRS resource set comprises one or more SRS resources, and scheduling a physical uplink shared channel (PUSCH) transmission via a downlink control information (DCI) wherein at least two SRS resources are indicated via a sounding reference signal resource indicator (SRI) field of the DCI, wherein each SRS resource is associated with a different SRS resource set; and receiving from the user equipment a physical uplink shared channel that is transmitted using the ports associated with the indicated SRS resources.

Abstract: An apparatus includes an antenna array having a plurality of antennas. The antenna array is configured to receive a multi-carrier signal from a multi-antenna transmitter over a radio channel. The multi-carrier signal has at least two subcarriers, and each subcarrier is mapped at the transmitter to a respective subcarrier-beamformer. The respective subcarrier-beamformers has non-identical null and beam cone directions. A processor is configured to identify a communication direction for a radio signal communication between the apparatus and the transmitter. The communication direction is identified based on one or more specular path components of the radio channel which are related to a null or to a maximum of a subcarrier-beamformer.

Abstract: Method performed by a UE for providing a channel state information (CSI) feedback in a wireless communication system including at least the UE and a gNB or a radio network node. The UE is operative to: estimate the MIMO channel between the gNB and the UE based on received DL reference signals for the configured resource blocks. The UE is further operative to calculate, based on a performance metric, a precoder matrix, for a number of antenna ports of the gNB and configured subbands, the precoder matrix being based on two codebooks and a set of combination coefficients for complex scaling/combining one or more of vectors selected from a first codebook and a second codebook, and the UE is operative to report a CSI feedback and/or a PMI and/or a PMI/RI, to the gNB, used to indicate the precoder matrix for the configured antenna ports and resource blocks.