Abstract: Methods and apparatuses for a user equipment (UE) initiated beam activation in a wireless communication system. A method of operating a UE includes receiving configuration information including a list of transmission configuration indication (TCI) states, determining TCI states, from the list of TCI states, to activate, and transmitting, to a base station (BS), information indicating the activated TCI states.

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 UE for CSI reporting is provided. The method comprises receiving configuration information for a CSI report, determining the CSI report comprising a first CSI part and a second CSI part, the second CSI part including a precoding matrix indicator (PMI), the PMI comprising a plurality of PMI components, wherein some of the PMI components comprise sub-components, determining priority values for the sub-components of the some of the PMI components, partitioning the second CSI part into Group 0, Group 1, and Group 2 such that the sub-components of the some of the PMI components are divided into Group 1 and Group 2 based on the determined priority values for the sub-components, and transmitting the first CSI part and Group 0 or (Group 0, Group 1) or (Group 0, Group 1, Group 2) of the second CSI part based on a resource allocation for the CSI report.

Abstract: Methods and apparatuses for aperiodic channel state information (CSI) measurement and reporting in a wireless communication system. A method for operating a user equipment (UE) includes receiving an indication to enable group-based beam reporting and receiving a channel state information (CSI) request for the group-based beam reporting. The method further includes determining, based on the CSI request, information associated with an aperiodic CSI (A-CSI) trigger state for the group-based beam reporting; determining, based on the information associated with the A-CSI trigger state, first and second sets of CSI resources for the group-based beam reporting; and transmitting resource indicators generated based on at least one of the first and second sets of CSI resources. The resource indicators correspond to at least one of: (1) a synchronization signal block resource indicator (SSBRI) and (2) a CSI reference signal resource indicator (CRI).

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

Abstract: Methods and apparatuses for uplink multi-beam operation. A method for operating a user equipment (UE) includes receiving, from a base station, an aperiodic reference signal (RS) trigger and, at a later time instant, an uplink (UL) beam indication. The method further includes decoding the aperiodic RS trigger and decoding the UL beam indication. The method includes determining, from the UL beam indication, a transmit spatial filter applied to a signal to be transmitted on a physical uplink shared channel (PUSCH) or a physical uplink control channel (PUCCH) and transmitting, to the base station, the signal on the PUSCH or the PUCCH. The transmit spatial filter corresponds to a reference RS. The UL beam indication includes a state of a transmit configuration associated with the reference RS.

Abstract: Methods and apparatuses for beam indication with a downlink (DL)-related downlink control information (DCI) format in a wireless communication system. A method of operating a user equipment (UE) includes receiving configuration information for a list of transmission configuration indication (TCI) states; receiving TCI state code points activated via a medium access control-control element (MAC CE); and receiving a downlink control information (DCI) format indicating at least one of the activated TCI state code points. The DCI format does not include a downlink (DL) assignment and includes fields set to a bit pattern. The method further includes determining a TCI state to apply based on the at least one indicated TCI state code point; updating, based on the determined TCI state, quasi-co-location (QCL) assumption or spatial filters; and at least one of receiving based on the updated QCL assumption and transmitting based on the updated spatial filters.

Abstract: Apparatuses and methods for aperiodic channel state information (CSI) resource configuration, measurement, and reporting in a wireless communication system. A method for operating a user equipment (UE) includes receiving, in a DCI format, a channel state information (CSI) request for one or more entity identities (IDs) and receiving configuration information for an aperiodic CSI (A-CSI) trigger state. The method further includes determining, based on the CSI request, the A-CSI trigger state; determining, based on the determined A-CSI trigger state and the configuration information, one or more CSI resources associated with the one or more entity IDs; and generating one or more CSI reports based on the determined CSI resources. The entity IDs correspond to a physical cell ID (PCI), a CORESETPoolIndex value, a PCI index pointing to a PCI, a reference signal (RS) resource ID, a RS resource set ID, or a RS resource setting ID.

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information including a list of CCs and a set of TCI states; receiving a TCI state update that is common for the list of CCs; and for each CC(i) in the list of CCs, where i is a CC index: determining a beam bi based on the TCI state update, and applying the beam bi for reception of a DL control channel or a DL data channel associated with the CC(i), wherein the beam bi is determined based on a spatial property used to receive or transmit a RS ri, and wherein the TCI state update includes a source RS s and, for each CC(i) in the list of CCs, the source RS s provides a reference to the RS ri for determination of the beam bi for the CC(i).

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information about a channel state information (CSI) report, the configuration information including codebook parameters (M, ?, ?), wherein: M is a number of frequency domain basis vectors, ? is a number ?1, and ? is a number ?1; identifying values of M, ?, and ?; determining a value of K1 based on ?, where K1 is a number of selected CSI reference signal (CSI-RS) ports from a total of P CSI-RS ports; determining a maximum number of non-zero coefficients based on ?; determining the CSI report based on the values of M, K1, and the maximum number of non-zero coefficients; and transmitting the CSI report.

Abstract: Apparatuses and methods for indication for inter-cell beam management in a wireless communication system. A method of operating a user equipment (UE) includes receiving configuration information for a list of transmission configuration indication (TCI) states, receiving TCI state code points activated by a medium access control-control element (MAC CE), and receiving DL control information (DCI) indicating at least one of the activated TCI state code points. The method further includes determining a TCI state to apply to at least one of downlink (DL) channels and uplink (UL) channels within at least one entity; updating one or more spatial filters for at least one of the DL channels and the UL channels based on the determined TCI state; and receiving and transmitting the DL channels and the UL channels of the at least one entity, respectively, based on the updated one or more spatial filters.

Abstract: Methods and apparatuses for measuring and reporting channel parameters in a distributed antenna wireless communication system. A method for operating a user equipment (UE) includes receiving a configuration for reporting in a channel state information (CSI) report a channel offset for a target entity; measuring one or more measurement reference signals (RSs) for determining the channel offset; determining, based on the measured one or more measurement RSs, the channel offset for the target entity; and transmitting, at least based on the configuration, the CSI report including a channel offset report associated with the determined channel offset. The measurement RSs comprise channel state information reference signals (CSI-RSs), synchronization signal blocks (SSBs), or both CSI-RSs and SSBs.

Abstract: A method for operating a user equipment (UE) comprises receiving at least one channel state information (CSI) report setting about a first type of quantities CSI(1), . . . , CSI(NRRH) for NRRH>1 remote radio heads (RRHs), each RRH comprising a group of CSI reference signal (CSI-RS) ports, wherein NRRH=a number of RRHs; receiving at least one CSI-RS resource setting about a second type of quantities CSI-RS(1), . . . , CSI-RS(NRRH) transmitted from NRRH groups of CSI-RS ports, wherein at least one of the at least one CSI report setting or the at least one CSI-RS resource setting is not equal to NRRH; and based on the at least one CSI report setting and the at least one CSI-RS resource setting: measuring CSI-RS(1), . . . , CSI-RS(NRRH); and determining, based on the measurement, CSI(1), . . . , CSI(NRRH); and transmitting CSI(1), . . . , CSI(NRRH).

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information about a channel state information (CSI) report, the configuration information including information about a number M; identifying a value of M; determining, based on a condition on the value of M, a value of a parameter R; determining a precoding matrix indicator (PMI) indicating N3 precoding matrices, where the number N3 is determined based on the determined value of R; determining the CSI report including the PMI; and transmitting the CSI report.

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 for operating a user equipment (UE) comprises receiving configuration information including multiple transmission configuration indicator (TCI) states, and receiving a beam indication indicating a TCI state from the multiple TCI states. The TCI state indicates a beam for each of N entities (E1, E2, . . . EN), and the TCI state comprises a TCI state ID and up to N+1 components (A0, A1, A2, . . . , AN), where A0 comprises common components for all entities, and for each n?{1, 2, . . . , N}, An comprises specific components for entity En, and components A0 and An together indicate the beam for entity En. The method includes determining the beam for each of N entities (E1, E2, . . . EN) indicated by the TCI state, and transmitting an uplink (UL) transmission or receiving a downlink (DL) transmission based on the beam for each of N entities (E1, E2, . . . EN).

Abstract: Methods and apparatuses for beam management, measurement and reporting for inter-cell operation in a wireless communication system. A method for operating a user equipment (UE) includes receiving a configuration for inter-cell operation, receiving a transmission configuration indication (TCI) state for a channel or a reference signal (RS), receiving information for configuring a TCI state group, and receiving an indication for associating the TCI state group with a physical cell identity (PCI). The method further includes determining, based on the information and the indication, an association between the TCI state and a PCI and determining, based on the TCI state and the association, a receive filter for reception of the channel or the RS.

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information about a channel state information (CSI) report, the configuration information including information about a number M denoting a number of frequency domain basis vectors; identifying a value of M; determining, based on the value of M, a frequency granularity of the CSI report from wideband (WB) and subband (SB); determining the CSI report according to the frequency granularity; and transmitting the CSI report.

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information about a channel state information (CSI) report associated with NRRH>1 remote radio heads (RRHs), wherein: NRRH=a number of RRHs, each RRH r=1, . . . , NRRH comprises a group of CSI reference signal (CSI-RS) ports, and the configuration information includes, for each RRH r=1, . . . , NRRH , information about at least one CSI-RS resource; and for each RRH r=1, . . . , NRRH: measuring the at least one CSI-RS resource, and determining, based on the measured at least one CSI-RS resource, whether a CSI-RS resource for RRH r is a channel measurement resource (CMR) or an interference measurement resource (IMR); generating the CSI report based on whether each CSI-RS resource among the measured at least one CSI-RS resource for each RRH is determined as a CMR or an IMR; and transmitting the CSI report.

Abstract: Methods and apparatuses for indication of uplink (UL) parameters in a transmission configuration indicator (TCI) state. A method of operating a user equipment (UE) includes receiving configuration information for TCI states; receiving configuration information for a number of entries, wherein each of the number of entries includes an index and a number of parameters; receiving information indicating associations between indexes for the number of entries and the TCI states, respectively; and receiving a TCI state identifier (ID) for a first of the TCI states. The method further includes determining a first number of parameters associated with the first TCI state based on the configuration information for the number of entries and the information indicating associations; determining a time to apply the first number of parameters associated with the first TCI state; and transmitting UL channels, using the first number of parameters, starting at the determined time.