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: Apparatuses and methods for sounding reference signal (SRS) procedures. A method performed by a user equipment (UE) includes receiving a configuration about transmission on a sounding reference signal (SRS) resource. The configuration includes information about 8 transmit antenna ports partitioned into X antenna groups. Each of the X antenna groups includes respective 8/X antenna ports. Each of the X antenna groups is associated with a respective transmission comb offset and each of the respective 8/X antenna ports within a group of the X antenna groups is associated with a respective cyclic shift, or each of the X antenna groups is associated with a respective cyclic shift and each of the respective 8/X antenna ports within the group of the X antenna groups is associated with a respective transmission comb offset. The method further includes transmitting, based on the configuration, on the SRS resource via the 8 transmit antenna ports.

Abstract: Apparatuses and methods for uplink (UL) transmit beam and sounding reference signal (SRS) resource alignment are provided. A method performed by a user equipment (UE) is provided. The method includes receiving a configuration including information about a list of transmission configuration indicator (TCI) states and receiving an indication indicating a TCI state from the list of TCI states. The TCI state is associated with a source reference signal (RS) and at least one sounding reference signal (SRS) related information (SRS-Info). The method further includes identifying the source RS and the at least one SRS-info associated with the TCI state; determining a beam based on the source RS; determining at least one port based on the at least one SRS-Info; and transmitting an uplink (UL) transmission using the beam and the at least one port.

Abstract: A method for operating a user equipment comprises receiving configuration information including information on a beam indication indicating N uplink (UL) transmit beams, where N>1; receiving the beam indication; determining whether an event is detected; selecting a beam from the N UL transmit beams based on whether the event is detected or not; and transmitting an UL transmission using the selected beam, wherein the beam refers to a spatial property used to receive or transmit a source reference signal (RS).

Abstract: A method of a user equipment (UE) for an uplink (UL) transmission is provided. The method comprises transmitting, to a base station (BS), UE capability information including a full power transmission capability of the UE, receiving, from the BS, configuration information indicating an UL codebook, identifying the UL codebook to use for the UL transmission based on the configuration information, and transmitting, to the BS, the UL transmission based on the UL codebook, where the UL codebook for l layers includes Kl full power transmit precoding matrix indicators (TPMIs) and remaining non-full power TPMIs, where a TPMI indicates a precoding matrix for UL transmission and l indicates a rank value.

Abstract: A method for operating a user equipment (UE) comprises receiving information about a downlink (DL) transmission transmitted from NRRH > 1 RRHs, wherein: NRRH = number of remote radio heads (RRHs), RRH r comprises a group of antenna ports, and r = 1, ..., NRRH; receiving the DL transmission; and decoding the information about the DL transmission; wherein the DL transmission is based on a scheme that is a combination of a precoding scheme and a diversity scheme, wherein the precoding scheme corresponds to applying an intra-RRH precoder component to antenna ports within an RRH, and wherein the diversity scheme corresponds to applying an inter-RRH diversity component to antenna ports across RRHs.

Abstract: Apparatuses and methods for uplink (UL) transmission are provided. A method for operating a user equipment (UE) includes receiving information about an uplink (UL) transmission based on N antenna ports and receiving a first indicator (I) indicating G groups of antenna ports, g1, . . . , gG. Group gi includes ni antenna ports selected from the N antenna ports. The method further includes identifying, based on the information and the first indicator (I), the G groups and transmitting the UL transmission based on the identified G groups. Here, i = 1 , … , G , N ? { 2 , 4 , 6 , 8 , 12 , 16 } , G ? { 1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 } , G ? N , and n i = N G .

Abstract: Apparatuses and methods for CSI codebook for multi-TRP. a method for operating a user equipment (UE) is provided. The method includes receiving a configuration about a channel state information (CSI) report. The configuration includes information about (i) N>1 groups of CSI reference signal (CSI-RS) ports and (ii) a codebook. The codebook includes a spatial-domain (SD) basis component. The SD basis component includes Lr basis vectors for each group r=1, . . . , N. The method further includes, based on the configuration, measuring the N groups of CSI-RS ports and identifying, based on the measurement, the SD basis component. The method further includes transmitting the CSI report. The Lr values for r=1, . . . , N are indicated by a joint indicator. The joint indicator is a function of the Lr values.

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: A method for operating a user equipment (UE) comprises receiving channel state information (CSI) reporting configuration information including a CSI reporting band and a frequency granularity of CSI reporting, where the CSI reporting band is within a bandwidth part (BWP) comprising M physical resource blocks (PRBs), and the frequency granularity of CSI reporting is based on whether M<N, where N is a threshold; identifying the frequency granularity of CSI reporting; generating a CSI report with the identified frequency granularity, wherein the CSI report includes at least one of a precoding matrix indicator (PMI) and a channel quality indicator (CQI); and transmitting the CSI report over an uplink (UL) channel.

Abstract: A method for operating a user equipment comprises receiving configuration information including information on measurement reference signal (RS) resources and information on a beam reporting; receiving the measurement RS resources; measuring the measurement RS resources; determining, based on the measured measurement RS resources, the beam reporting; and transmitting the beam reporting, wherein the beam reporting includes: Q1 pairs of (I1, J1), wherein I1 comprises a first resource indicator and J1 comprises a first beam metric, and an additional information including a second metric.

Abstract: A method for operating a UE for CSI reporting in a wireless communication system is provided. The method comprises receiving, from a BS, configuration information for a CSI report, the CSI report comprising a first CSI part and a second CSI part, the second CSI part including a total of KNZ non-zero coefficients across ? layers, determining a priority value for each of the total of KNZ non-zero coefficients, partitioning the second CSI part into Group 0, Group 1, and Group 2 such that, based on the determined priority values of the total of KNZ non-zero coefficients, indicators to non-zero coefficients having higher priority values are included in Group 1 and indicators to non-zero coefficients having lower priority values are included in Group 2, and transmitting, to the BS over an uplink (UL) channel, UL control information (UCI) including Group 0 or (Group 0, Group 1) or (Group 0, Group 1, Group 2) of the second CSI part.

Abstract: Apparatuses and methods for uplink (UL) transmission are provided. A method for operating a user equipment (UE) includes receiving information about an UL transmission based on X panels. The method further includes identifying, based on the information, for each layer l of the UL transmission, nl panels among the X panels, where v is a number of layers of the UL transmission; determining the UL transmission based on the identified nl panels for each layer l; and transmitting the UL transmission based on the identified nl panels for each layer l. The UL transmission corresponds to one of a single panel (SP) transmission from one of the X panels, a simultaneous transmission from multiple of the X panels (STxMP), or a combination of the SP and STxMP, where a set S1 of the X panels is used for the SP transmission and a set S2 of the X panels is used for the STxMP.

Abstract: Apparatuses and methods for channel quality reporting are provided. A method for operating a user equipment (UE) includes receiving a configuration about a channel state information (CSI) report. The configuration includes information about Ng>1 groups of CSI reference signal (CSI-RS) ports. The method further includes, based on the configuration, measuring the Ng groups of CSI-RS ports, identifying K?1 hypotheses for the CSI report, and determining the CSI report based on the K hypotheses. The method further includes transmitting the CSI report. The CSI report corresponds to v?1 layers.

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: Apparatuses and methods for channel state information (CSI) codebook. A method for operating a user equipment (UE) includes receiving a configuration about a CSI report. The configuration includes information about N>1 groups of CSI reference signal (CSI-RS) ports 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 group r=1, . . . , N. The FD basis component includes Mv basis vectors. The coefficient component includes coefficients associated with (SD, FD) basis vector pairs. The method further includes, based on the configuration, measuring the N groups of CSI-RS ports and determining the SD basis component, the FD basis component, and the coefficient component such that K1 coefficients are non-zero and remaining coefficients are zero, where K1??r=1N(2LrMv).

Abstract: Methods and apparatuses for beam management after channel setup. A method of operating a user equipment (UE) includes receiving at least one of synchronization signal/physical broadcast channel block (SSB) or channel state information reference signal (CSI-RS), measuring the at least one of the SSB or the CSI-RS, and determining downlink (DL) quasi-co-location (QCL) properties for DL communication based on the at least one of the SSB or the CSI-RS. The method further includes determining an uplink (UL) spatial domain filter for UL communication, receiving DL channels using the determined DL QCL properties until only one of only one joint TCI state or only one DL TCI state is configured, activated, or indicated to the UE, and transmitting UL channels using the determined UL spatial domain filter until only one of only one joint TCI state or only one UL TCI state is configured, activated, or indicated to the UE.

Abstract: Apparatuses and methods for reporting of time-domain channel properties are provided. A method for operating a user equipment (UE) includes receiving a configuration about a channel state information (CSI) report. The configuration including information about non-zero power (NZP) CSI-reference signal (RS) resources and a parameter reportQuantity set to a time-domain channel property (TDCP). The method further includes, based on the configuration, measuring the NZP CSI-RS resources and determining the TDCP based on the measurement. The method further includes transmitting the CSI report including an indicator indicating the TDCP.

Abstract: Multistream transmissions are provided for user equipment (UE) including a transceiver configured to receive an L-layer data transmission that includes at least one codeblock (CB). The CB includes a length-N cyclic redundancy code (CRC). The transceiver is also configured to receive a downlink control information (DCI) associated with the data transmission. The UE further includes a processor operably connected to the transceiver. The processor is configured to decode the data transmission, the CRC, and the DCI. The data transmission includes one codeword (CW) when L is less than or equal to a threshold and two CWs when L is greater than the threshold.

Abstract: A method for operating a user equipment (UE) for an uplink (UL) transmission, comprising: receiving a configuration information including a full power mode and indicating an UL codebook, wherein: the UL codebook is one of a first codebook and a second codebook, when the full power mode is set to full power mode 1, and the UL codebook is one of the first codebook, the second codebook, and a third codebook, when the full power mode is either not provided or is set to a value other than the full power mode 1; identifying the UL codebook to use for the UL transmission based on the configuration information; and transmitting the UL transmission based on the UL codebook.