Abstract: Methods and apparatuses for channel state information (CSI) resource configuration in a wireless communication system. A method for operating a user equipment includes receiving a first and second configurations for a first and second sets of reference signal (RS) resources, respectively, configured in a CSI resource setting, receiving a first set of RSs through the first set of RS resources, and receiving a second set of RSs through the second set of RS resources. The method further includes measuring at least one RS in the first or second sets of RSs, determining, based on the measured at least one RS, one or more resource indicators or one or more beam metrics, determining, based on the first or second configurations, a first CSI report or a second CSI report; and transmitting, in the first or second CSI reports, the one or more resource indicators or the one or more beam metrics.

Abstract: Methods and apparatuses for user equipment (UE)-initiated beam management. A method performed by a UE includes receiving first information to enable UE-initiated beam operation, receiving second information related to a measurement reference signal (RS) for the UE-initiated beam operation, and measuring the measurement RS. The method further includes determining, based on the measurement, a report, transmitting a first uplink (UL) channel notifying transmission of the report, and transmitting a second UL channel including the report.

Abstract: Methods and apparatuses for advanced user equipment (UE) beam reporting in a wireless communication system. A method of operating a UE includes receiving a set of reference signals (RSs), measuring a first quantity based on a quality of a RS in the set of RSs, determining a second quantity based on a rate of change of the first quantity, preparing a report including N?1 entries, and transmitting the report.

Abstract: Methods and apparatuses for beam measurement, reporting, and indication operations. A method for a user equipment includes receiving first configuration information for joint reporting, in a same reporting instance, of both one or more synchronization signal block resource indicators (SSBRIs) and channel state information reference signal resource indicators (CRIs); and receiving second configuration information for differential reference signal received power (RSRP) reporting of RSRP values for the one or more SSBRIs and CRIs, respectively. The method further includes determining, based on the first configuration information, the one or more SSBRIs and CRIs and determining, based on the second configuration information, the RSRP values for the one or more SSBRIs and CRIs, respectively.

Abstract: Methods and apparatuses for beam measurement and reporting. A method performed by a user equipment (UE) includes transmitting capability information; receiving information indicating a group based beam reporting; and measuring reference signals. The method further includes determining, based on the information and the measurement, a group of two resource indicators; determining, based on the measurement, beam metrics corresponding to the group of two resource indicators; and transmitting, in a channel state information (CSI) reporting instance, the group of two resource indicators and the beam metrics. A resource indicator in the group of two resource indicators is one of: (1) a synchronization signal/physical broadcast channel (PBCH) block (SSB) resource indicator (SSBRI) and (2) a CSI reference signal (CSI-RS) resource indicator (CRI). A beam metric in the beam metrics is one of: (1) a layer-1 reference signal received power (L1-RSRP) and (2) a layer-1 signal to interference and noise ratio (L1-SINR).

Abstract: Methods and apparatuses for beam indication for full duplex. A method of operating a user equipment (UE) includes receiving first and second information that includes first and second transmission configuration indicator (TCI) state configurations associated with first and second subsets of slots or symbols, respectively, on a cell and receiving a downlink control information (DCI) format that includes a first or second TCI state code point from the first or second TCI state configuration. The method further includes determining, based on whether a slot or symbol is from the first or second subset, the first or second TCI state code point and receiving, based on the determination, a shared data or control channel or signal using the first or second TCI state code point. The first subset does not include time-domain resources indicated for simultaneous transmission and reception on the cell and the second subset does.

Abstract: Methods and apparatuses for timing adjustment in a system comprising multiple transmission and reception points (TRPs). A method for operating a user equipment (UE) includes receiving first information for one or more first measurement reference signals (RSs) from a first cell to measure for determining a downlink (DL) timing difference, receiving second information for one or more second measurement RSs from a second cell to measure for determining the DL timing difference, and receiving a configuration for reporting the DL timing difference between the first and second cells. The method further includes measuring, based on the first and second information, the first and second measurement RSs, respectively; determining, based on the first and second measured measurement RSs, a timing difference report for the first and second cells; and transmitting, based on the configuration, the timing difference report to one or more of the first and second cells.

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: Methods and apparatuses for transmission configuration indication (TCI) state indications and updates. A method performed by a user equipment includes applying a TCI state for UE dedicated control and data channels and receiving, via a medium access control (MAC) control element (CE), a plurality of TCI codepoints. The method further includes identifying a reference TCI codepoint from the plurality of TCI codepoints; determining, from the reference TCI codepoint, one or more TCI states; and determining whether to apply the one or more TCI states or the reference TCI state for the UE dedicated control and data channels.

Abstract: Apparatuses and methods for uplink timing adjustment in a wireless communication system. A method for operating a user equipment (UE) includes receiving a first uplink (UL) timing advance (TA) command for a first link associated with a first physical cell identity (PCI); receiving a second UL TA command for a second link associated with a second PCI; and determining, based on the first and second UL TA commands, first and second UL timing adjustments for the first and second links associated with the first and second PCIs, respectively. The method further includes transmitting a physical uplink control channel (PUCCH), a physical uplink shared channel (PUSCH), or a sounding reference signal (SRS) associated with the first PCI according to the first UL timing adjustment; and transmitting a PUCCH, a PUSCH, or a SRS associated with the second PCI according to the second UL timing adjustment. The second PCI is different from a serving cell PCI.

Abstract: Methods and apparatuses for determining transmission configuration indication (TCI) states for channel state information reference signals (CSI-RSs). A method performed by a user equipment (UE) includes receiving, first information about receiving an aperiodic CSI-RS when a triggering offset is less than a threshold; receiving, second information including an indicator to indicate whether to apply a first TCI state or a second TCI state for the aperiodic CSI-RS; and receiving the aperiodic CSI-RS. The method further includes identifying whether another downlink (DL) signal is present in a same symbol as the aperiodic CSI-RS and determining, based on the identification, the first information, or the indicator, to apply the first or second TCI state for the aperiodic CSI-RS.

Abstract: Methods and apparatuses for beam failure recovery in sidelink (SL). A method of operating a user equipment (UE) includes receiving, from a second UE a first instance of a first SL channel and M SL signals for identification of new beams, where M>1 and measuring a metric based on the first SL channel. The method further includes declaring, based on the metric, a beam failure; identifying, based on the declaration of the beam failure, a SL signal from the M SL signals for identification of a new beam; and transmitting a second SL channel with a first beam indication based on the SL signal.

Abstract: Methods and apparatuses for a MAC CE for multi-TRP operation in a wireless communication system. A method of a UE comprises: receiving, from a BS belonging to a serving cell, a first MAC PDU including a first MAC subheader with a first eLCID and a first MAC CE; identifying, based on the first eLCID, an enhanced unified TCI states activation/deactivation MAC CE for joint TCI states or separate TCI states including a bitmap of TCI state ID presence indications and TCI state IDs, wherein a bit in the bitmap of TCI state ID presence indications indicates, for the TCI state IDs associated with a codepoint of a DCI TCI field, whether a TCI state for a TRP is present in a corresponding MAC CE, and a maximum number of the TCI state IDs that are activated is 32; and indicating, to lower layers, information associated with the corresponding MAC CE.

Abstract: Methods and apparatuses for sidelink (SL) beam indication. A method of operating a user equipment (UE) includes transmitting, to a second UE, a first set of reference signals or receiving, from the second UE, a second set of reference signal. The method further includes identifying a beam indication for transmission to or reception from the second UE; determining, based on the beam indication, a spatial transmission filter or a spatial reception filter; and determining a time T to apply the beam indication. The beam indication is associated with a reference signal from the first set of reference signals or the second set of reference signals. The method further includes transmitting, to the second UE, a first SL channel using the spatial transmission filter starting from the time T or receiving, from the second UE, a second SL channel using the spatial reception filter starting from the time T.

Abstract: Methods and apparatuses for predictive beam management in a wireless communication system. A method of operating a user equipment (UE) includes receiving configuration information for transmission configuration indication (TCI) states; receiving information indicating a number of TCI states and a number of corresponding TCI state application times; and determining, for one or more TCI states in the number of TCI states, at least one of downlink (DL) quasi-co-location (QCL) properties for DL communication and an uplink (UL) spatial domain filter for UL communication. The method further includes at least one of receiving, using the determined DL QCL properties, DL channels starting at the corresponding TCI state application times and transmitting, using the determined UL spatial filter, UL channels starting at the corresponding TCI state application times.

Abstract: Methods and apparatuses for physical downlink shared channel (PDSCH) reception with transmission and reception point (TRP) switching. A method performed by a user equipment (UE) includes receiving a threshold to indicate a transmission configuration indication (TCI) state selection time and receiving downlink control information (DCI) that schedules a first PDSCH with a scheduling offset less than or equal to the threshold. The method further includes identifying a value of a frequency range index and determining, based on the value of the frequency range index and a capability, to receive the first PDSCH with a first TCI state or a second TCI state. The first and second TCI states are joint or downlink (DL) TCI states.

Abstract: Methods and apparatuses for channel state information (CSI) resource configuration in a wireless communication system. A method for operating a user equipment includes receiving a first and second configurations for a first and second sets of reference signal (RS) resources, respectively, configured in a CSI resource setting, receiving a first set of RSs through the first set of RS resources, and receiving a second set of RSs through the second set of RS resources. The method further includes measuring at least one RS in the first or second sets of RSs, determining, based on the measured at least one RS, one or more resource indicators or one or more beam metrics, determining, based on the first or second configurations, a first CSI report or a second CSI report; and transmitting, in the first or second CSI reports, the one or more resource indicators or the one or more beam metrics.

Abstract: Methods and apparatuses for beam failure declaration, new beam identification, and recovery in multi transmission and reception point (TRP) operation. A method performed by a user equipment (UE) includes transmitting a physical uplink shared channel (PUSCH) including a first reference signal (RS) index for a first beam failure recovery request associated with a first beam failure detection (BFD) RS set; receiving a response to the first beam failure recovery request; receiving first information for reception of a physical downlink control channel (PDCCH); and receiving second information for reception of a physical downlink shared channel (PDSCH).

Abstract: A user equipment (UE) includes a transceiver. The transceiver is configured to receive information about transmission of UE initiated reports in a first uplink (UL). The UE further includes a processer operably coupled to the transceiver. The processor is configured to determine a two-part UL report. The transceiver is further configured to transmit, based on the information, the first UL including a first part of the two-part UL report, and receive a first acknowledgment within a time, T from the transmission of the first UL.

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.