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.

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information on a set of transmission configuration indicator (TCI) states; receiving a beam indication indicating at least one TCI state from the set of TCI states, wherein the at least one TCI state indicates a group of M beams partitioned into K sets of beams for K entities (E1, E2, . . . EK), where an i-th set of beams is associated with entity Ei and comprises Ni beams, and ?i=1KNi=M; decoding the beam indication; determining a beam for entity Ei based on the i-th set of beams; and transmitting an uplink (UL) transmission or receiving a downlink (DL) transmission based on the determined beam for entity Ei, wherein i is an entity index and takes a value from {1, . . . , K}.

Abstract: Apparatuses and methods for transmit-receive point (TRP) subset selection and reporting. A method performed by a user equipment (UE) is provided. The method includes receiving information about a channel state information (CSI) report. The information indicates N>1 groups of CSI reference signal (CSI-RS) ports and a list of S states. Each of the S states correspond to a subset of the N groups of CSI-RS ports. The method further includes, based on the information, selecting at least one state from the list of S states, measuring at least one of the N groups of CSI-RS ports, and determining CSI based on the measurement. The method further includes transmitting the CSI report including the determined CSI.

Abstract: Methods and apparatuses for methods and apparatuses for facilitating serving cell changes based on signaling related to beam management procedures in a wireless communications network. A user equipment (UE) comprises a transceiver and a processor operably coupled to the transceiver. The transceiver is configured to receive a transmission configuration indicator (TCI) state identifier (ID) associated with a target serving cell, receive a cell switch command, and transmit, in response to reception of the cell switch command, a channel conveying a positive hybrid automatic repeat request acknowledgement (HARQ-ACK). The processor is configured to perform, based on the cell switch command, a cell switch at a time, wherein the time corresponds to a slot that starts after a cell switch application time from a last symbol of the channel conveying the positive HARQ-ACK.

Abstract: Apparatuses and methods for configuring semi-persistent CSI-RS resources are provided. A method performed by a user equipment (UE) includes receiving a configuration about a channel state information (CSI) report. The configuration includes information about a CSI reference signal (CSI-RS) burst comprising B>1 time instances of a CSI-RS transmission. The CSI-RS burst is based on K?1 CSI-RS resources. The method further includes measuring the CSI-RS burst and identifying a value d, where d is a number of consecutive time instances that are included in a Doppler domain (DD) unit of DD units. The method further includes determining multiple DD basis vectors, where each of the multiple DD basis vectors is associated with N4>1 of the DD units and where N4 is a length of each of the multiple DD basis vectors, and transmitting the CSI report including an indication about the multiple DD basis vectors.

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: 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.