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 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: Methods and apparatuses for codebook based UL transmission are provided. A method for operating a UE comprises transmitting a UE capability information about a UL codebook for 8 antenna ports; receiving an indication indicating a TPMI for a transmission of a PUSCH; and transmitting the PUSCH based on the indicated TPMI, wherein the TPMI indicates a precoding matrix from the UL codebook for the 8 antenna ports, the UL codebook includes full-coherent (FC) precoding matrices comprising all non-zero entries, and an l-th column of a FC precoding matrix is associated with an l-th layer of the PUSCH transmission.

Abstract: Apparatuses and methods for uplink (UL) codebook design are provided. A method performed by a user equipment (UE) is provided. The method includes receiving a configuration about an uplink (UL) codebook (C8) for N=8 antenna ports partitioned into Ng groups; receiving an indication indicating a transmit precoding matrix indicator (TPMI) for transmission of a physical uplink shared channel (PUSCH); and transmitting the PUSCH based on the indicated TPMI. The TPMI indicates a precoding matrix (W) from the UL codebook (C8) and the precoding matrix (W) is based on up to K submatrices. Each of the K submatrices is a full-coherent (FC) precoding matrix for P = N N g antenna ports and is associated with one of the Ng groups, K?{1, . . . , Ng} and Ng?{2, 4}.

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 user equipment (UE) is configured to perform a method for measuring and reporting multi-beam operations. The UE includes a transceiver configured to communicate via a multi-beam operation with a base station. The UE further includes a processor operably connected to the transceiver. The processor is configured to at least one of: transmit, via the transceiver through a first set of antenna ports, one or more uplink (UL) reference signals (RSs), or receive, via the transceiver, one of: one or more downlink (DL) RSs transmitted by a base station (BS), or the one or more transmitted UL RSs, measure, via the transceiver using a second set of antenna ports, signal qualities of the one or more UL RSs and the one or more DL RSs for a time period, and perform measurement reporting of the measured signal qualities.

Abstract: An electronic device and method for managing an antenna operating in a combination of frequency bands. The electronic device comprises at least one antenna including a plurality of antenna elements, a transceiver operably connected with the at least one antenna and configured for communication over multiple frequency parts. The electronic device also comprises a processor operably connected to the transceiver, the processor configured to determine the multiple frequency parts; identify, from a configuration received in response to the multiple frequency parts reported in the PUCCH, a combination of one or more frequency parts from the multiple frequency parts for performing the communication; obtain a beamforming codebook; and apply one or more beams within the beamforming codebook for performing the communication.

Abstract: A beam failure recovery procedure in a wireless communication system comprises receiving, from a base station (BS), at least one beam failure detection reference signal (RS) and at least one new candidate beam RS over a downlink channel; identifying a set of RS resources including an index for the at least one beam failure detection RS; identifying a set of RS resources including an index for the at least one new candidate beam RS; identifying a dedicated control-resource set (CORESET) received from the BS for a beam failure recovery request; transmitting, to the BS, the beam failure recovery request associated with a quality measurement of the at least one beam failure detection RS over a physical random access channel (PRACH); and receiving, from the BS, a beam failure response in response to the beam failure recovery request based on the dedicated CORESET indicated to the UE.

Abstract: Apparatuses and methods for quantizing time-domain channel properties. A method for operating a user equipment (UE) includes receiving a configuration about a time domain channel property (TDCP) report. The configuration includes information about K delay values {?i;} for i=1, . . . , K, where K?1. The method further includes determining, based on the configuration, TDCP amplitudes corresponding to the K delay values, respectively; determining, based on the configuration, the TDCP report; and transmitting the TDCP report. The TDCP report includes indicators [k1 . . . kK] indicating (i) values [a1 . . . aK] and (ii) corresponding TDCP amplitude values obtained from: 1?ai, i=1, . . . , K. A mapping from ki to ai is given in a table.

Abstract: Apparatuses and methods for channel quality reporting for full duplex systems. A method performed by a user equipment (UE) includes receiving information about a channel state information (CSI) report associated with N>1 hypotheses. A first hypothesis of the N hypotheses is associated with a channel quality indicator (CQI) for subband full duplex (SBFD) slots or symbols. A second hypothesis of the N hypotheses is associated with a CQI for non-SBFD slots or symbols. The method further includes identifying whether a slot or symbol is SBFD or non-SBFD; determining, based on the identification, a CQI using the first or second hypotheses; and transmitting the CSI report, including the determined CQI.

Abstract: Apparatuses and methods for CSI reporting. A method performed by a user equipment (UE) includes receiving a configuration about a channel state information (CSI) report and determining, based on the configuration, the CSI report including a precoding matrix indicator (PMI) and X channel quality indicators (CQIs). The configuration includes a value of N4 and a codebookType set to typeII-Doppler-r18. The PMI includes a first indicator indicating Q Doppler domain (DD) vectors, each of length N4, where X?{1,2}. The method further includes partitioning the CSI report into CSI part 1 and CSI part 2; partitioning the CSI part 2 further into groups G0, G1, and G2; and transmitting the CSI part 1 and at least a portion of the CSI part 2. The portion of the CSI part 2 is determined based on a priority value and corresponds to G0, (G0, G1), or (G0, G1, G2).

Abstract: Methods and apparatuses for UL reference signal-based beam management. A method of operating a UE includes receiving configuration information for UL reference signals for beam management, source reference signals for spatial relation, and a beam report; receiving the source reference signals; and measuring a signal quality metric for the source reference signals for spatial relation. The method further includes transmitting a beam report based on measured signal quality metric and receiving, in response to the beam report, updated configuration information for the UL reference signals for beam management. The method further includes determining a time for update of the UL reference signals for beam management and transmitting the UL reference signals for beam management based on the updated configuration information at the determined time.

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: Apparatuses and methods for channel state information (CSI) codebook parameters for coherent joint-transmission. A method performed by a user equipment (UE) includes receiving information about a CSI report. The information indicates codebook parameters NL?1 combinations of values of {?1, . . . , ?NTRP} from a first table and a value of (M,?) from a second table. {?1, . . . , ?NTRP} is related to a number of a first set of vectors associated with each of NTRP groups of ports, where ?r?1 for r=1, . . . , NTRP, ? is a parameter related to a maximum number of coefficients, and M is a parameter related to a second set of vectors. The method further includes determining the CSI report based on the information and transmitting the CSI report. The codebook parameters are configured based on a third table that links the first and second tables.

Abstract: Methods and apparatuses for channel state information (CSI) reporting for multi-transmit receive point (TRP) coherent joint transmission (CJT). A method includes receiving a configuration about a CSI report. The configuration includes information about (i) NTRP CSI reference signal (CSI-RS) resources. The method further includes, based on the configuration, determining information for the CSI report based on N CSI-RS resources; partitioning the CSI report into two parts, a CSI Part 1 and a CSI part 2; and partitioning the CSI Part 2 into three groups, G0, G1, and G2. The method further includes transmitting the CSI Part 1 and at least a portion of the CSI Part 2. The group G1 includes an indicator indicating, for each of N?1 CSI-RS resources of the N CSI-RS resources, a frequency-domain (FD) offset dr?{0, 1, . . . , N3O3?1} relative to a reference CSI-RS resource.

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: Apparatuses and methods for subset restriction for parameter combination for coherent joint transmission in wireless networks. A method performed by a user equipment includes receiving information about a CSI report. The information includes codebook parameters NL?1 combinations of values of {L1, . . . , LNTRP} from a first table and a value of (pv, ?) from a second table. {L1, . . . , LNTRP} is used to determine a number of first set of vectors associated with each of NTRP groups of ports, NTRP is a number ?1, ? is a parameter used to determine a maximum number of coefficients, and pv are parameters used to determine a second set of vectors. The method further includes determining the CSI report based on the information and transmitting the CSI report. The codebook parameters are configured based on a third table that links the first and second tables.

Abstract: Methods and apparatuses for transmitting and receiving measurement reference signal (MRS) configurations in a wireless communication system. A method includes transmitting to a user equipment (UE), or receiving from a base station, information on MRS configurations that include information on an identity of an MRS, information on a set of large-scale channel properties associated with a quasi co-location (QCL) relationship for a demodulation reference signal (DMRS) of a physical downlink shared channel (PDSCH), and information on a bandwidth for the MRS. The method further includes transmitting to the UE, or receiving from a base station, downlink control information (DCI) scheduling the PDSCH and indicating an MRS configuration for the PDSCH. The set of large-scale channel properties include, based on type, one or more of doppler shift, doppler spread, average delay, and delay spread.

Abstract: A method for operating a user equipment (UE) comprises receiving, from a base station (BS), CSI feedback configuration information including codebook parameters configured jointly via a single radio resource control (RRC) parameter, the codebook parameters comprising L, p, ?0, and ?, wherein the parameter L determines a number of spatial domain (SD) basis vectors, the parameter ? determines a maximum number of coefficients, and the parameters p and ?0 determine a number (M?) of frequency domain (FD) basis vectors, wherein the parameter p is for a first rank set and the parameter ?0 is for a second rank set; generating the CSI feedback based on the CSI feedback configuration information, wherein the CSI feedback is generated for a rank value ? from one of the first and second rank sets; and transmitting, to the BS, the CSI feedback over an uplink channel.

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.