Abstract: A method for operating a user equipment (UE) for aperiodic channel state information reference signal (CSI-RS) reception comprises receiving aperiodic CSI-RS configuration information including a CSI-RS triggering offset; receiving downlink control information (DCI) via a physical downlink control channel (PDCCH), where the DCI triggers an aperiodic CSI-RS; and determining the CSI-RS triggering offset based on the CSI-RS configuration information, wherein the CSI-RS triggering offset is configured from a first set when ?PDCCH<?CSIRS, and the CSI-RS triggering offset is configured from a second set when ?PDCCH>?CSIRS, wherein ?PDCCH and ?CSIRS are subcarrier spacing configurations for the PDCCH and the aperiodic CSI-RS, respectively, and receiving the aperiodic CSI-RS in a slot KS determined based on the CSI-RS triggering offset, a slot containing the triggering DCI, and the subcarrier spacing configurations (?PDCCH and ?CSIRS).

Abstract: A user equipment (UE) for channel state information (CSI) comprises receiving configuration information for K CSI reports, wherein the configuration information includes resource allocation information for an uplink control information (UCI) transmission that includes UCI comprising N UCI parts, calculating the K CSI reports and partitioning the K CSI reports into N parts, determining an available number of information bits (B1) for the UCI transmission according to the resource allocation information, determining a required number of information bits (B2) for the UCI transmission according to the calculated K CSI reports, determining whether the B2 exceeds the B1; and transmitting, to the BS over one slot of an uplink channel, a first part of the N UCI parts including a first of the N parts of the K CSI reports when the B2 exceeds the B1, wherein K and N are positive integers.

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information on a set of transmission configuration indicator (TCI) states, receiving a TCI state indication associated with downlink (DL) transmissions in a plurality of downlink (DL) time slots, decoding the TCI state indication, and applying the TCI state indication to a reception of the DL transmissions in the plurality of DL time slots.

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 base station includes a controller configured to configure an MRS resource set comprising a group of MRS resources, each MRS resource comprising a set of MRS antenna ports. If at least two MRS antenna ports belong to a same MRS resource, then the at least two MRS antenna ports are quasi co-located with respect to a first set of QCL parameters, else if the at least two MRS antenna ports belong to a same MRS resource set, then the at least two MRS antenna ports are quasi co-located with respect to a second set of QCL parameters, and else the at least two MRS antenna ports are not quasi co-located with respect to either the first set or the second set of QCL parameters. The MRS is a CSI-RS for estimating a CSI and at least one of the first set and the second set of QCL parameters.

Abstract: A method for operating a user equipment (UE) comprises, in response to a condition being satisfied, selecting, from a full basis set, a basis subset comprising Ml bases for each layer l of a plurality of v layers; in response to the condition not being satisfied, selecting, from the full basis set, an intermediate basis set comprising N? bases that are common among the plurality of v layers, and selecting, from the selected intermediate basis set, the basis subset comprising Ml bases for each layer l of the plurality of v layers; transmitting, to a base station (BS), for each layer l of the plurality of v layers, an indicator i1,6,l indicating indices of the Ml bases included in the selected basis subset; and based on the condition not being satisfied, transmitting, to the BS, an indicator i1,5 indicating indices of the N? bases included in the selected intermediate basis set.

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information for a CSI report. The configuration information includes information to: configure a codebook and parameters for the codebook, the codebook comprising a precoding matrix indicator (PMI) indicating a set of components S to represent N3 precoding matrices, where N3?1; and partition the PMI into two subsets, a first PMI subset indicating a first subset of components S1 from the set of components S, and a second PMI subset indicating a second subset of components S2 from the set of components S different from the first subset of components S1. The method further comprises determining the CSI report based on the configuration information, the CSI report including the second PMI subset indicating the second subset of components S2, and transmitting the determined CSI report over an uplink (UL) channel.

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information about a channel state information (CSI) report, the configuration information including a number of radio remote heads (RRHs), NRRH>1; selecting a subset of RRHs from the NRRH RRHs independently for each subband (SB); determining the CSI report including an indicator indicating the selected subset of RRHs for each SB; and transmitting the CSI report including the indicator indicating the selected subset of RRHs for each SB.

Abstract: Beam measurement and reporting by a user equipment (UE) includes receiving configuration information for a channel state information (CSI) framework from a base station (BS) and identifying reporting settings and resource settings configured for the UE based on the received configuration information. The reporting settings configure a beam measurement and reporting configuration. The resource settings configure one or more reference signal (RS) resources for beam measurement. Each of the RS resources represents a transmit (Tx) beam. The method further includes performing beam measurement based on the identified reporting and resource settings, generating a CSI report based on the identified reporting and resource settings, and transmitting the generated CSI report to the BS.

Abstract: Methods and apparatuses for measurement information reporting. A method of a user equipment (UE) includes method receiving a configuration for a set of resources comprising non-zero-power channel state information reference signal (NZP CSI-RS) resources or synchronization signal and physical broadcast channel (SS/PBCH) block resources and receiving NZP CSI-RS in the NZP CSI-RS resources or SS/PBCH blocks in the SS/PBCH block resources from the set of resources. The method includes measuring signal-to-interference and noise ratio (SINR) values based on the NZP CSI-RS or the SS/PBCH blocks; and transmitting, for a subset of resources from the set of resources, a largest of the SINR values, differential SINR values relative to the largest SINR value, and NZP CSI-RS resource indexes (CRIs) or SS/PBCH block indexes for at least some of the NZP CSI-RS resources or the SS/PBCH blocks resources from the subset of resources.

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: A method for operating a user equipment (UE) comprises receiving configuration information about a transmission configuration indicator (TCI) state indication, the configuration information including a set of TCI states and information for configuring a medium for the TCI state indication; receiving, based on the configuration information, the TCI state indication via the configured medium, wherein the TCI state indication indicates M>1 TCI states; determining M beams based on the M TCI states, applying at least one of the M beams for a reception of a downlink (DL) data channel, and applying a control beam determined based on the M beams for a reception of a DL control channel.

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) 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: Apparatuses and methods for multi-stage UL precoding are provided. The method includes receiving configuration information about resource allocation for an uplink (UL) transmission, the configuration information indicating: allocated resources for an UL transmission, and UL precoding information for the UL transmission on the allocated resources, wherein the UL precoding information indicates: an update precoding matrix V, and basis vectors and coefficients for the update precoding matrix V; determining an UL precoding matrix for the UL transmission based on the update precoding matrix V and a previous UL precoding matrix; and performing UL transmission on the allocated resources using the UL precoding matrix.

Abstract: A user equipment (UE) for channel state information (CSI) comprises receiving configuration information for K CSI reports, wherein the configuration information includes resource allocation information for an uplink control information (UCI) transmission that includes UCI comprising N UCI parts, calculating the K CSI reports and partitioning the K CSI reports into N parts, determining an available number of information bits (B1) for the UCI transmission according to the resource allocation information, determining a required number of information bits (B2) for the UCI transmission according to the calculated K CSI reports, determining whether the B2 exceeds the B1; and transmitting, to the BS over one slot of an uplink channel, a first part of the N UCI parts including a first of the N parts of the K CSI reports when the B2 exceeds the B1, wherein K and N are positive integers.

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information including P>1 beam switching time (BST) values and a set of TCI states; receiving, based on the configuration information, a transmission configuration indicator (TCI) state update; determining a beam based on the TCI state update; and applying the beam for a downlink (DL) reception or an uplink (UL) transmission, at least after a duration of time from receiving the TCI state update, wherein the duration of time is determined based on the P BST values.

Abstract: A method for operating a user equipment (UE) comprises receiving, from a base station (BS), CSI feedback configuration information; determining, based on the CSI feedback configuration information, CSI feedback including, for each layer l of a total number of ? layers, an indicator i1,8,l indicating an index of a strongest coefficient among KNZ,l coefficients, wherein l?{1, . . . , ?} is a layer index, ??1 is a rank value, and KNZ,l is a number of non-zero coefficients for layer l; determining a payload of the indicator i1,8,l for each layer l based on the rank value; and transmitting, to the BS, over an uplink (UL) channel, the CSI feedback including the indicator i1,8,l for each layer l of the total number of ? layers.

Abstract: Methods and apparatuses for beam measurement reporting in a wireless communication system. A method of operating a user equipment (UE) includes receiving, before transmission configuration indication (TCI) states are configured, first configuration information for: (i) a set of downlink (DL) reference signal resources associated with a physical downlink shared channel (PSDCH) and (ii) a set of uplink (UL) reference signal resources associated with a physical uplink shared channel (PUSCH). The method further includes measuring the set of DL reference signal resources; calculating associated metrics; transmitting a first measurement report corresponding to the set of DL reference signal resources; receiving an indication of a DL reference signal resource that indicates quasi-colocation (QCL) properties for subsequent receptions of DL channels; and receiving an indication of an UL reference signal resource that indicates a spatial domain filter for subsequent transmissions of UL channels.

Abstract: A method for operating a user equipment (UE) comprises receiving a configuration about a channel state information (CSI) report, the configuration including information about a time interval W for the CSI report, the time interval W comprising multiple time slots; and a number (Y) of channel quality indicator (CQI) values associated with the time interval W; deriving, based on the configuration, the Y CQI values, each of the Y CQI values at a corresponding time slot in the time interval W, wherein the Y CQI values satisfy a block error (BLER) probability requirement; and transmitting the CSI report including the Y CQI values, wherein Y?1.