Abstract: Methods and apparatuses for beam indication channel in a multi-beam system. A method of operating a user equipment includes receiving configuration information for one or more transmission configuration indication (TCI) states, associated TCI state identifiers (IDs), and a channel conveying one or more TCI state IDs and receiving the channel conveying the one or more TCI state IDs. The method also includes determining, based on the one or more TCI state IDs, one or more spatial domain filters for at least one of reception of downlink channels and transmission of uplink channels and determining a time for applying the one or more spatial domain filters. Additionally, the method includes at least one of: receiving, starting at the determined time, the downlink channels using the one or more spatial domain filters; and transmitting, starting at the determined time, the uplink channels using the one or more spatial domain filters.

Abstract: A method for operating a user equipment (UE) comprises receiving, from a serving cell, configuration information for measuring K resource reference signals (RSs) and reporting a beam report, measuring the K resource RSs, determining the beam report based on a metric, where the beam report includes an indicator indicating at least one of the K resource RSs, and transmitting the determined beam report, wherein 1 ? K, wherein the K resource RSs comprises a first subset and a second subset, at least one resource RS in the first subset is transmitted from a serving cell in a set of serving cells and at least one resource RS in the second subset is transmitted from a non-serving cell in a set of non-serving cells.

Abstract: Methods and apparatuses for downlink control information (DCI) based dynamic beam indication in a wireless communication system. A method performed by a user equipment (UE) includes receiving, in a first DCI, a set of TCI states including two TCI states; receiving a higher layer radio resource control (RRC) signaling including a parameter indicating whether or not a TCI state selection indicator is present in a second DCI that schedules a physical downlink shared channel (PDSCH); and receiving the second DCI. The method further includes determining, based on the parameter, whether the TCI state selection indicator is present in the second DCI; identifying, based on a presence or absence of the TCI state selection indicator, at least one TCI state from the set of TCI states to be used in reception of the PDSCH; and receiving, based on the identified at least one TCI state, the PDSCH.

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: Methods and apparatuses for reporting with multiple transmission and reception points in a wireless communication system. A method of operating a user equipment (UE) includes receiving configuration information for a first list of synchronization signal/physical broadcast channel (SS/PBCH) block indices associated with a first timing advance group (TAG) and a second list of SS/PBCH block indices associated with a second TAG, receiving a contention free random access (CFRA)-based physical downlink control channel (PDCCH) order, and transmitting a physical random access channel (PRACH) preamble in response to the CFRA-based PDCCH order. The method further includes receiving a random access response (RAR) in response to the PRACH preamble, including a timing advance (TA) command and determining a TAG associated with the TA command based on an SS/PBCH block index associated with the CFRA-based PDCCH order.

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: 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 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: 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 beam indication and repetition in a wireless communication system. A method for operating a user equipment (UE) includes receiving a first physical downlink control channel (PDCCH) candidate and a second PDCCH candidate including first and second beam indication downlink control information (DCI), respectively; receiving higher layer radio resource control (RRC) signaling including a parameter indicating a linkage between the first and second PDCCH candidates. The method further includes identifying information related to a reference PDCCH candidate; identifying, based on the parameter, that the first and second beam indication DCI include at least a same set of TCI states; and determining, based on the information, the reference PDCCH candidate from the first and second PDCCH candidates.

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.