Abstract: A method for operating a UE comprises receiving configuration information including a list of CCs and a set of TCI states; receiving, based on the configuration information, a TCI state update via a medium, wherein: the TCI state update is common for a first subset of CCs, the first subset of CCs includes n?N CCs, and N=a number of CCs in the list of CCs; and for each CC(i) in the first subset of CCs, determining a beam based on the TCI state update, and applying the beam for a reception of a downlink control channel or a downlink data channel associated with the CC(i), wherein i is an index and takes a value from {1, 2, . . . , n}, wherein the beam is determined based on a spatial quasi-co-location property used to receive or transmit a source RS indicated via the TCI state update.

Abstract: Apparatuses and methods for frequency selective uplink precoding are provided. The method includes receiving configuration information about resource allocation for an uplink transmission, the configuration information indicating: allocated resources for uplink transmission, and uplink precoding information for G antenna port groups for the uplink transmission on the allocated resources, wherein the uplink precoding information indicates: SD basis vectors, FD basis vectors, coefficients for (SD, FD) basis vector pairs, and two components for the coefficients across the G antenna port groups; based on the uplink precoding information, applying uplink precoding for the G antenna port groups; and performing uplink transmission on the allocated resources according to the configuration information.

Abstract: A method of a user equipment (UE) for a channel state information (CSI) feedback in a wireless communication system is provided. The method comprises receiving, from a base station (BS), CSI feedback configuration information including a number (K0) of coefficients for the CSI feedback, deriving, based on the CSI feedback configuration information, the CSI feedback including K1 coefficients that are a subset of a total of Q coefficients, wherein K1?K0 and K0<Q, and transmitting, to the BS, the CSI feedback including the K1 coefficients over an uplink channel.

Abstract: A method of a user equipment (UE) for an uplink power control is provided. The method comprises receiving, from a base station (BS), configuration information indicating a power scaling value (?) to be applied to a physical uplink shared channel (PUSCH) transmission, determining, based on the received configuration information, the power scaling value (?) for the PUSCH transmission from values of ? = 1 ? ? or ? ? ? = ? 0 ? , where ?0 is a number of antenna ports with a non-zero PUSCH transmission power and ? is a number of sounding reference signal (SRS) ports, and transmitting the PUSCH transmission with a linear value ({circumflex over (P)}) of transmit power scaled based on the determined power scaling value (?), where the linear value ({circumflex over (P)}) of the transmit power after power scaling, ?×{circumflex over (P)}, is divided equally across the antenna ports on which the UE transmits the PUSCH transmission with non-zero power.

Abstract: A method for operating a user equipment (UE) comprises receiving information for a maximum permissible emission (MPE) report; determining the MPE report including Q pairs of (resource indicator, MPE metric), where Q?{1, . . . , P}; including the MPE report in a power headroom (PHR) report; and transmitting, via medium access control—control element (MAC CE), the PHR report including the MPE report.

Abstract: A method of a user equipment (UE) in a wireless communication system is provided. The method comprises receiving, from at least one transmission and reception point (TRP) of a group of (N) TRPs, channel status information (CSI) configuration information, determining a CSI report based on the CSI configuration information, identifying, based on the configuration information, one or more TRPs of the group of (N) TRPs to transmit the determined CSI report, and transmitting, to the one or more TRPs, the determined CSI report over an uplink channel. The determined CSI report includes a TRP indicator for selecting (M) TRPs of the group of (N) TRPs, and CSI for each of the selected (M) TRPs, wherein N is greater than one, and wherein M is greater or equal to 1, and less or equal to N.

Abstract: A method for operating a user equipment (UE) comprises receiving information about a channel state information (CSI) report; determining, based on the information, the CSI report including amplitude indicators and phase indicators of a total of KNZ coefficients; determining, based on a condition, whether a bitmap indicator is included in the CSI report, where the bitmap indicator identifies indices of the KNZ coefficients; and transmitting the CSI report which includes the bitmap indicator when the condition is not satisfied.

Abstract: An electronic device and method for managing an antenna operating in a combination of frequency bands. The electronic device comprises at least one antenna including a plurality of antenna elements, a transceiver operably connected with the at least one antenna and configured for communication over multiple frequency parts. The electronic device also comprises a processor operably connected to the transceiver, the processor configured to determine the multiple frequency parts; identify, from a configuration received in response to the multiple frequency parts reported in the PUCCH, a combination of one or more frequency parts from the multiple frequency parts for performing the communication; obtain a beamforming codebook; and apply one or more beams within the beamforming codebook for performing the communication.

Abstract: Methods and apparatuses for beam reporting. A method for operating a user equipment (UE) includes receiving, from a base station, configuration information on a beam reporting and a set of uplink (UL) reporting resources; receiving at least one reference signal (RS) resource; measuring the at least one RS resource for calculating the beam reporting; and transmitting the beam reporting on at least one UL reporting resource from the set of UL reporting resources after an event occurs.

Abstract: A base station includes a controller configured to configure an MRS resource set comprising a group of MRS resources, each MRS resource comprising a set of MRS antenna ports. If at least two MRS antenna ports belong to a same MRS resource, then the at least two MRS antenna ports are quasi co-located with respect to a first set of QCL parameters, else if the at least two MRS antenna ports belong to a same MRS resource set, then the at least two MRS antenna ports are quasi co-located with respect to a second set of QCL parameters, and else the at least two MRS antenna ports are not quasi co-located with respect to either the first set or the second set of QCL parameters. The MRS is a CSI-RS for estimating a CSI and at least one of the first set and the second set of QCL parameters.

Abstract: A tribometer includes a main chamber to conduct testing under controlled environmental conditions, such as different chamber pressures and different temperatures. A shaft extends through the main chamber to initiate component movement inside the main chamber. A secondary fluid seal chamber is formed in a wall of the main chamber around each shaft. A first seal is formed around the shaft on a first side of the secondary chamber. A second seal is formed around the shaft on a second side of the secondary chamber.

Abstract: A method for operating a UE for CSI reporting comprises receiving configuration information for a CSI report, where the configuration information configures a PMI codebook and partitions the PMI codebook into first and second PMI subsets respectively indicating first and second subsets of a set of components S to represent N3 precoding matrices; determining, based on the configuration information, the CSI report comprising first and second CSI parts, the second CSI part including the second PMI subset and partitioned into N groups; selecting M groups from the N groups of the second CSI part based on a resource allocation for transmission of UCI, where M?{1, . . . , N}; and transmitting, over an UL channel, the UCI including a first UCI part and a second UCI part, the first UCI part including the first CSI part and the second UCI part including the M groups from the N groups of the second CSI part.

Abstract: A user equipment (UE) for channel state information (CSI) feedback comprises a transceiver configured to receive, from a base station (BS), configuration information for the CSI feedback, the configuration information indicating a number of antenna panels (Ng) at the BS and a codebook mode, wherein Ng>1 and each of the antenna panels comprises antenna ports with a first polarization (P1) and antenna ports with a second polarization (P2). The UE further comprises a processor operably connected to the transceiver, the processor configured to identify the number of antenna panels (Ng) at the BS, identify a codebook for the CSI feedback based on the codebook mode configured between a first codebook mode and a second codebook mode, and generate the CSI feedback using the identified codebook. The transceiver is further configured to transmit the generated CSI feedback to the BS.

Abstract: Methods and apparatuses for fast beam selection. A method for operating a user equipment (UE) includes receiving configuration information on a set of transmission configuration information (TCI) states. Each of the TCI states refers to at least one source reference signal (RS) with a corresponding quasi co-location (QCL) and is associated with downlink (DL) data and UE-specific DL control information (DCI). The method further includes receiving a TCI state update on a physical downlink control channel (PDCCH), decoding the TCI state update, and applying the TCI state update to a reception of DL data and a corresponding UE-specific DL assignment.

Abstract: A method for operating a user equipment (UE) comprises receiving information about a channel state information (CSI) report, the information including information about two parameters for basis vectors, N and M; determining n3(0) . . . n3(M-1), wherein n3(0) . . . n3(M-1) are indices of M basis vectors selected from N basis vectors; determining nonzero offsets between the index n3(0) and indices n3(1) . . . n3(M-1); and transmitting the CSI report including an indicator i1,6 indicating the nonzero offsets between n3(0)and the indices n3(1) . . . n3(M-1).

Abstract: Methods and apparatuses for high speed beam management. A method of operating a user equipment (UE) includes receiving configuration information for transmission configuration indicator (TCI) states; receiving configuration information for group TCI indices, wherein a group TCI index, m, of the group TCI indices is associated with a group of TCI states; receiving configuration information on which TCI states within the group of TCI states to apply to at least one of downlink channels and uplink channels; and receiving the group TCI index. The method further includes decoding a channel conveying the group TCI index; determining, at least based on the decoded group TCI index, one or more TCI states to apply to the at least one of downlink channels and uplink channels; and at least one of (i) receiving the downlink channels and (ii) transmitting the uplink channels using the determined one or more TCI states.

Abstract: A method for a channel state information (CSI) feedback comprises receiving CSI feedback configuration information for the CSI feedback including a spatial channel information indicator based on a linear combination (LC) codebook, wherein the spatial channel information comprises at least one of a downlink channel matrix, a covariance matrix of the downlink channel matrix, or at least one eigenvector of the covariance matrix of the downlink channel matrix; deriving the spatial channel information indicator using the LC codebook that indicates a weighted linear combination of a plurality of basis vectors or a plurality of basis matrices as a representation of at least one of a downlink channel matrix, a covariance matrix of the downlink channel matrix, or at least one eigenvector of the covariance matrix of the downlink channel matrix; and transmitting over an uplink channel, the CSI feedback including the spatial channel information indicator.

Abstract: A method of a user equipment (UE) for a channel state information (CSI) feedback in a wireless communication system is provided. The method comprises receiving, from a base station (BS), CSI feedback configuration information including a number (K0) of coefficients for the CSI feedback, deriving, based on the CSI feedback configuration information, the CSI feedback including K1 coefficients that are a subset of a total of Q coefficients, wherein K1?K0 and K0<Q, and transmitting, to the BS, the CSI feedback including the K1 coefficients over an uplink channel.

Abstract: A method for operating a user equipment (UE) comprises receiving a configuration about a channel state information (CSI) report, the configuration including information about a CSI reference signal (CSI-RS) burst comprising B>1 time instances of CSI-RS transmission, and a time domain (TD) unit comprising NST consecutive time instances; measuring the CSI-RS burst; determining, based on the measurement of the CSI-RS burst and the TD unit, TD or Doppler domain (DD) components of a downlink (DL) channel; and transmitting the CSI report including an indication about the TD or DD components of the DL channel.

Abstract: Apparatuses and methods for high resolution CSI codebook is provided. The method includes receiving configuration information about a channel state information (CSI) report, the configuration information including a parameter d?1, where d is a number of principal components; determining left principal component vectors; determining right principal component vectors; determining principal singular values; and transmitting the CSI report including a precoding matrix indicator (PMI), the PMI indicating the left principal component vectors, the right principal component vectors, and the principal singular values, wherein at least one of the left principal component vectors, the right principal component vectors, and the principal singular values are selected from adaptive codebooks.