Abstract: Apparatuses and methods for CSI reporting in distributed MIMO in a wireless communication system is provided. The method includes receiving a channel state information (CSI) report setting about a first type of information CSI(0), . . . , CSI(NCSI-1) for NCSI>1, receiving a CSI reference signal (CSI-RS) resource setting about a plurality of CSI-RS resources, CSI-RS(0), . . . , CSI-RS(NRRH?1) transmitted from NRRH groups of CSI-RS ports, wherein NRRH is a number of remote radio heads (RRH). The method further includes measuring the plurality of CSI-RS resources CSI-RS(0), . . . , CSI-RS(NRRH?1), determining, based on the measurement, the first type of information CSI(0), . . . , CSI(NCSI?1); and transmitting information indicating the first type of information CSI(0), . . . , CSI(NCSI?1).

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: 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 support of Toeplitz-based channel state information (CSI) feedback/reporting methods. A method performed by a user equipment (UE) includes transmitting capability information indicating a capability of the UE to support a Toeplitz-based method of determining channel state information (CSI) reports; receiving configuration information that indicates parameters for the Toeplitz-based method of determining the CSI reports; and receiving CSI reference signals (RSs). The method further includes measuring the CSI-RSs; determining, based on the configuration information and the measured CSI-RSs, a CSI report; and transmitting the CSI report.

Abstract: A method for a user equipment (UE) is provided. The method includes receiving first information related to reception of reference signals (RSs). The RSs include channel state information RSs (CSI-RS) or synchronization signals. The RSs are associated with a beam failure (BF) detection, a radio link failure (RLF) detection, or a CSI report. The method further includes receiving second information related to hypothetical adaptation of transmission powers of the RSs and the RSs based on the first information. The method further includes determining, based on the second information and the reception of the RSs, reporting quantities indicating hypothetical channel conditions and transmitting a channel with the reporting quantities indicating the hypothetical channel conditions.

Abstract: Methods and apparatuses for beam failure recovery (BFR) in a wireless communication system. A method for operating a user equipment includes identifying configuration information for at least two beam failure detection (BFD) reference signal (RS) sets each comprising one or more BFD RSs resources and configuration information for at least two new beam identification (NBI) RS sets each comprising one or more NBI RS resources. The method further includes detecting a beam failure event for one of the at least two BFD RS sets; identifying, based on measuring the one or more NBI RS resources in a NBI RS set that is associated with the one BFD RS set, one or more NBI RS resources for a new beam recovery; and triggering, in response to detection of the beam failure event for the one BFD RS set and identification of the one or more NBI RS resources, a BFR event.

Abstract: Methods and apparatus for a user equipment (UE)-initiated beam operation. A method performed by a UE includes receiving a configuration related to (i) a time window and (ii) a transmission configuration indication (TCI) state operation mode; receiving one or more first TCI states; and determining, based on the configuration and the one or more first TCI states, one or more second TCI states, from the one or more first TCI states, to apply for a channel. The method further includes transmitting an indicator indicating the one or more second TCI states and the channel; receiving an acknowledgement for the indicator; and identifying a reception time of the acknowledgement.

Abstract: Apparatuses and methods for UE-initiated reporting. A method performed by a user equipment (UE) includes receiving information about (i) L events and (ii) K event types, where L?1 and K?1. At least one of the L events is associated with at least one of the K event types. The method further includes determining whether to transmit a report based on at least one of L? events from the L events and transmitting, based on the determination, the report that includes an indicator indicating the L? events.

Abstract: Methods and apparatuses for methods and apparatuses for facilitating signaling of multiple timing advance (TA) values to a user equipment (UE), facilitating the use of multiple TA values by a UE for communication with multiple transmission and reception points (TRPs), and facilitating updating of TA values in a wireless communications network. A UE comprises a transceiver and a processor operably coupled to the transceiver. The transceiver is configured to receive a first TA command that includes a first TA value and a first TA group (TAG) identifier (ID) associated with a first entity, and a second TA value and a second TAG ID associated with a second entity. The processor is configured to identify a TAG ID associated with an uplink (UL) transmission, and identify, based on the TAG ID, a TA value. The transceiver is further configured to transmit the UL transmission using the TA value.

Abstract: Apparatuses and method for calibration for multiple transmission and reception point (multi-TRP) coherent joint transmissions. A method performed by a user equipment (UE) includes receiving configuration information about N downlink (DL) antenna port groups, N uplink (UL) antenna port groups, wherein the N DL antenna port groups are associated with the N UL antenna port groups, respectively and receiving an indicator to trigger M DL antenna port groups, where M?N. The method further includes measuring a DL reference signal (RS) for the triggered M DL antenna port groups; determining, based on the measured DL RS, an UL precoder for each of M UL antenna port groups respectively associated with the triggered M DL antenna port groups; and transmitting, based on the UL precoder, an UL RS for the M associated UL antenna port groups.

Abstract: Methods and apparatus for user equipment (UE)-initiated channel state information (CSI) measurement and reporting. A method performed by a UE includes transmitting an indicator to request transmission of one or more CSI reference signals (RSs), receiving a downlink control information (DCI) format indicating a value of a CSI request field, and identifying a first time window. The method further includes identifying a reception time of the DCI format relative to a last symbol for transmission of the indicator, determining, based on the value, a CSI resource setting and a CSI reporting setting, and measuring, based on the CSI resource setting, the one or more CSI-RSs.

Abstract: Methods and apparatuses for user equipment (UE) initiated reporting in a wireless communication system. A method of operating a UE includes receiving first information related to resources for a physical uplink shared channel (PUSCH); receiving second information related to (i) beam measurement resources and (ii) a beam report configuration; and receiving third information related to a condition to transmit a beam report; measuring the beam measurement resources. The method further comprises determining, based on the measurement and the condition, whether to transmit the beam report; in response to determining to transmit the beam report, determining the beam report based on the measurement; and transmitting, via a resource from the resources for the PUSCH, the beam report. The resource for the PUSCH is a Type 1 configured grant PUSCH resource.

Abstract: Methods and apparatuses for resource and reporting settings. A method performed by a user equipment (UE) includes receiving first information to enable transmission of an indicator indicating transmission of a beam report and transmitting, based on the first information, the indicator. The method further includes receiving second information related to one or more channel state information reference signal (CSI-RS) resources for the beam report; measuring, based on the second information, the one or more CSI-RS resources for the beam report; and transmitting the beam report.

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: Methods and apparatuses for triggering a report. A method for operating a user equipment (UE) includes transmitting information including at least one of (i) a trigger indicating a need for transmitting a report and (ii) content associated with the report. The trigger is related to a channel between the UE and a network entity. The need is based on at least one performance metric of a communication over the channel. The content includes at least one property associated with the channel.

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information about L uplink (UL) reference signals (RSs), M downlink (DL) RSs, and a calibration report, where the L UL RSs are associated with the M DL RSs; transmitting the UL RSs according to the configuration information; measuring the DL RSs; determining, based on the measured DL RSs and a reference DL RS, calibration information; and transmitting the calibration report including the calibration information.

Abstract: Apparatuses and method for channel state information (CSI) reporting. A method performed by a user equipment (UE) includes receiving a configuration about a channel state information (CSI) report. The configuration indicates (i) a value of N4, (ii) a value of paramCombination indicating values of three parameters, and (iii) a codebookType. The method further includes determining the CSI report based on the configuration and transmitting the CSI report. Here, N4 is a number of time-domain (TD) slot intervals.

Abstract: Channel state information (CSI) feedback in a wireless communication system is disclosed. User equipment transmits a CSI feedback signal via a Physical Uplink Control CHannel (PUCCH). If the UE is configured in a first feedback mode, the CSI comprises a first report jointly coding a Rank Indicator (RI) and a first precoding matrix indicator (PMI1), and a second report coding Channel Quality Indicator (CQI) and a second precoding matrix indicator (PMI2). If the UE is configured in a second feedback mode, the CSI comprises a first report coding RI, and a second report coding CQI, PMI1 and PMI2. The jointly coded RI and PMI1 employs codebook sub-sampling, and the jointly coding PMI1, PMI2 and CQI employs codebook sub-sampling.

Abstract: A method of a user equipment (UE) in a wireless communication system is provided. The method comprises: receiving, from at least one base station (BS) of a group of (N) BSs, channel state information (CSI) configuration information including a number of uplink control information (UCI) parts for a CSI reporting; identifying the number of UCI parts for the CSI reporting; determining a CSI report based on the identified number of UCI parts; identifying one or more BSs in the group of (N) BSs to transmit the determined CSI report; and transmitting, to the one or more identified BSs, via an uplink channel, a UCI including the determined CSI report, wherein the UCI includes the identified number of UCI parts each of which includes a part of the determined CSI report.

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.