Abstract: Systems and methods for joint and separate beam indication in a wireless communication system. A method of operating a user equipment (UE) includes receiving configuration information for a first set of transmission configuration indicator (TCI) states for joint TCI states or downlink (DL) TCI states and for a second set of TCI states for uplink (UL) TCI states if configured to operate with separate beam indication; receiving M TCI state code points; and if M>1, receiving downlink control information (DCI) that indicates at least one TCI state code point from the M TCI state code points. The method further includes determining a TCI state to apply to at least one of DL channels and UL channels; updating one or more spatial filters based on the determined TCI state; and at least one of receiving and transmitting the DL channels and the UL channels, respectively, based on the updated spatial filters.

Abstract: A method of operating a user equipment (UE) includes receiving first information for a physical cell identifier (PCI) different from a serving cell PCI; receiving second information for source or measurement reference signals (RSs) for the PCI; determining, based on one or more transmission configuration indicator (TCI) states, the first information, and the second information, a reception spatial domain filter for reception of at least one of downlink (DL) RSs and channels from the PCI; and measuring, based on the first information and the second information, the measurement RS. The method further includes determining, based on the measured measurement RSs, the first information, and the second information, a beam report and transmitting the beam report for the PCI on an uplink (UL) channel. A beam refers to a spatial property used to receive or transmit a source RS or a channel.

Abstract: Methods and apparatuses for channel and interference measurement. A method for operating user equipment (UE) includes receiving, from a base station, configuration information for a channel measurement resource (CMR) and N interference measurement resources (IMRs) and configuration information for a channel state information (CSI) reporting. The CSI reporting configuration information indicates a selection of a signal-to-interference-plus-noise ratio (SINR). The method further includes receiving reference signals associated with the CMR and the N IMRs, measuring the reference signals for calculating the CSI reporting, and transmitting the CSI reporting. The CSI reporting includes M SINRs each associated with an interference hypothesis. N is an integer greater than or equal to 2. M is an integer greater than or equal to 1. The CMR is a synchronization signal block (SSB) or a non-zero power channel state information reference signal (NZP CSI-RS). The N IMRs are NZP CSI-RSs.

Abstract: Methods and apparatus for configuring measurement and reporting settings in a wireless communication system. A method performed by a user equipment (UE) includes receiving first information for a channel state information (CSI) reporting setting to enable group based frequency selective beam reporting and receiving second information indicating a set of frequency subbands for the CSI reporting setting. The method further includes determining, based on the first and second information, one or more groups of resource indicators and transmitting, in a first beam report, the one or more groups of resource indicators. Each group of the one or more groups of resource indicators respectively corresponds to at least one frequency subband from the set of frequency subbands. A resource indicator from the one or more groups of resource indicators is a synchronization signal block resource indicator (SSBRI) or a CSI reference signal resource indicator (CRI).

Abstract: Methods and apparatuses for frequency selective beam measurement and reporting (FSBMR) in a wireless communication system. A method for operating a user equipment (UE) includes receiving a configuration for a channel state information (CSI) reference signal (RS) resource and a CSI reporting setting to enable FSBMR. The method further includes receiving first information indicating a first set of frequency subbands for the CSI-RS resource and receive second information indicating a second set of frequency subbands for the CSI reporting setting. The method further includes measuring, based on the configuration and the first information, the CSI-RS resource and determining, based on the configuration, the measurement, and the second information, a beam report including one or more beam metrics.

Abstract: Method and apparatuses for supporting or utilizing transmission configuration indication signaling. A method for operating a user equipment (UE) includes receiving a configuration enabling frequency selective beam indication (FSBI) and receiving, in a transmission configuration indication (TCI) state, a plurality of quasi co-location (QCL) parameters corresponding to a plurality of frequency subbands. The method further includes determining, based on the plurality of frequency subbands and the plurality of QCL parameters, one or more reception or transmission filters for receiving or transmitting, respectively, channels in the plurality of frequency subbands.

Abstract: Apparatuses and methods for frequency selective beam management (FSBM). A method for operating a user equipment (UE) includes receiving first information indicating one or more channel state information (CSI) reference signal (RS) resources for FSBM and receiving second information indicating a correspondence between the one or more CSI-RS resources and a plurality of frequency subbands. The method further includes determining, based on the first information, the one or more CSI-RS resources for FSBM and identifying, based on the second information, the correspondence between the one or more CSI-RS resources and the plurality of frequency subbands.

Abstract: Methods and apparatuses for physical layer beam indications. A method for operating a user equipment (UE) includes receiving one or more first transmission configuration indicator (TCI) states for reception and transmission of downlink (DL) channels and uplink (UL) channels, respectively; receiving one or more TCI state identifiers (IDs); and transmitting an acknowledgement in response to the reception of the one or more TCI state IDs. The method further includes, based on the acknowledgement: determining, based on the one or more TCI state IDs, one or more second TCI states; determining a time to apply the one or more second TCI states; and updating one or more spatial filters based on the one or more second TCI states. The method further includes receiving and transmitting data on the DL channel and UL channels, respectively, using the one or more spatial filters starting at the determined time.

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information including a set of transmission configuration indicator (TCI) states; receiving a medium access control-control element (MAC-CE) indicating activation of M TCI states from the set of TCI states, where M is a positive integer; identifying a medium for indicating a TCI state update, wherein the medium is the MAC-CE or a downlink control information (DCI), and the TCI state update is from the M activated states; determining a beam based on the TCI state update; and applying the beam for a reception of both downlink (DL) control and data channels.

Abstract: A method for operating a user equipment (UE) comprises transmitting UE capability information including a full power transmission capability, wherein the full power transmission capability includes information (I) to indicate multiple transmit precoding matrix indicator (TPMI) groups that deliver full power; receiving configuration information for a physical uplink shared channel (PUSCH) transmission; receiving a TPMI indicating a precoding matrix and a number of layers for the PUSCH transmission; determining the PUSCH transmission based on the configuration information; determining a power level for the PUSCH transmission, wherein the power level corresponds to full power if the TPMI is included in one of the multiple TPMI groups that deliver full power; and transmitting the PUSCH transmission with the determined power level.

Abstract: A method for operating a user equipment (UE) comprises receiving a configuration about a CSI report, the configuration including information about a codebook, the codebook comprising components: (i) sets of basis vectors including a first set of vectors each of length PCSIRS×1 for a SD, a second set of vectors each of length N3×1 for a FD, and a third set of vectors each of length N4×1 for a DD, and (ii) coefficients associated with each basis vector triple (ai, bf, cd), ai from the first set, bf from the second set, and cd from the third set; determining, based on the configuration, the components; and transmitting the CSI report including: at least one basis vector indicator indicating all or a portion of the sets of basis vectors, and at least one coefficient indicator indicating all or a portion of the coefficients.

Abstract: Apparatuses and methods for channel state information (CSI) reference resource and reporting window. A method performed by a user equipment (UE) includes receiving a configuration about a channel state information (CSI) report including information about (i) a set of time slots S for the CSI report, (ii) X channel quality indicators (CQIs), and (iii) N time slots where, X?1, N ? S, S includes {1,2}, and the N time slots are from the set of time slots S and are associated with the X CQIs. The method further includes determining the X CQIs based on the N time slots, and transmitting the CSI report including (i) an indicator indicating multiple precoding matrices and each slot in the set of time slots S is associated with one of the multiple precoding matrices, and (ii) the X CQIs.

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: Methods and apparatuses for a multi-beam downlink and uplink wireless system. A method of a user equipment includes receiving configuration information for one or more transmission configuration indication (TCI) states and corresponding TCI state identifiers (IDs) and receiving one or more TCI state IDs. The method also includes determining, based on the one or more TCI state IDs, at least one of one or more first spatial domain filters for reception of one or more layers, respectively, of a downlink channel and one or more second spatial domain filters for transmission of one or more layers, respectively, of an uplink channel. The method further includes at least one of receiving the one or more layers of the downlink channel using the one or more first spatial domain filters, respectively, and transmitting the one or more layers of the uplink channel using the one or more second spatial domain filters, respectively.

Abstract: Apparatuses and methods for a channel state information (CSI) reference resource and reporting window are provided. A method performed by a user equipment (UE) includes receiving a configuration about a CSI report. The configuration includes information indicating (i) a set of time slots that the CSI report is valid for, (ii) a CSI reference resource, and (iii) an uplink (UL) time slot n?. The method further includes, based on the configuration, identifying the set of time slots and the CSI reference resource and determining, based on the CSI reference resource, the CSI report for the identified set of time slots. The method includes transmitting the CSI report in the UL time slot n?. The set of time slots includes at least one time slot i after a time slot nref of the CSI reference resource, implying nret < i.

Abstract: Apparatuses and methods for channel state information (CSI) reporting in multi-transmission reception point (TRP) operations in wireless networks. A method performed by a user equipment (UE) includes receiving information about a CSI report. The information indicates Ntrp CSI reference signal (CSI-RS) resources, where Ntrp>1. The method further includes, based on the information, measuring the Ntrp CSI-RS resources and determining the CSI report associated with N?Ntrp CSI-RS resources, where N?{1, 2, . . . , Ntrp}. The CSI report includes a strongest coefficient indicator (SCI) for each layer l (SCIl). The SCIl indicates an index of a strongest coefficient among KlNZ coefficients. l?{1, . . . , ?} is a layer index, ??1 is a rank value, and KlNZ is a total number of non-zero coefficients for a layer l associated with CSI-RS ports corresponding to the N CSI-RS resources. The method further includes transmitting the CSI report.

Abstract: Apparatuses and methods for SRS configuration are provided. A method performed by a user equipment (UE) includes receiving information about at least one sounding reference signal (SRS) related information (SRS-Info) that is associated with two groups of antenna ports; receiving an indication indicating X groups of the two groups of antenna ports; based on the indication, identifying the X groups of antenna ports; and transmitting an uplink (UL) transmission based on the X groups of antenna ports. When X = 1, the UL transmission corresponds to one physical uplink shared channel (PUSCH) transmission from one of the two groups of antenna ports. When X = 2, the UL transmission corresponds to one or two PUSCH transmissions from the two groups of antenna ports.

Abstract: Apparatuses and methods for channel state information (CSI) codebook parameters. A method performed by a user equipment (UE) includes receiving information about a channel state information (CSI) report, the information indicating N>1 CSI reference signal (CSI-RS) resources and a codebook. The codebook includes a spatial-domain (SD) basis component, a frequency-domain (FD) basis component, and a coefficient component. The SD basis component includes Lr basis vectors for each CSI-RS resource r=1, . . . , N. The FD basis component includes Mv basis vectors. The coefficient component includes coefficients associated with (SD, FD) basis vector pairs. The information includes codebook parameters. The method further includes, based on the information, measuring the N CSI-RS resources; determining, based on the codebook parameters, the SD basis component, the FD basis component, and the coefficient component; and transmitting the CSI report.

Abstract: A method for operating a user equipment (UE) for channel state information (CSI) feedback in a wireless communication system is provided. The method comprises receiving, from a base station (BS), CSI reference signals (CSI-RSs) and CSI feedback configuration information, estimating a channel based on the received CSI-RSs, determining, based on the estimated channel and the CSI feedback configuration information, a number of non-zero coefficients (KlNZ) for each layer (l) of a total number of ? layers, wherein ??1 is a rank value, and a sum of the KlNZ across each of the ? layers as a total number of non-zero coefficients (KNZ), where KNZ=?l=1?KlNZ. The method further comprises transmitting, to the BS, the CSI feedback including the KNZ value over an uplink (UL) channel.

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information about a transmission configuration indicator (TCI) state indication via a downlink control information (DCI), the configuration information including a set of TCI states and information for configuring the DCI from one of a downlink (DL) DCI (DL-DCI) and a DL-TCI-DCI, wherein the DL-DCI schedules a DL physical DL shared channel (PDSCH) assignment and the DL-TCI-DCI is a dedicated DCI for TCI state indication; receiving, based on the configuration information, the configured DCI; decoding the configured DCI to obtain a TCI state update; determining a receive beam based on the TCI state update; and applying the receive beam for a reception of a DL control or a DL data.