Abstract: Apparatuses and methods for channel state information (CSI) codebook parameters and CSI reporting for a coherent joint transmission. A method performed by a user equipment (UE) includes receiving information about (i) a channel state information (CSI) report associated with NTRP?1 CSI reference signal (CSI-RS) resources and (ii) NL?1 values of (L1, . . . , LNTRP). Each of the NL values of (L1, . . . , LNTRP) belongs to a table including NTRP, (L1, . . . , LNTRP), and an associated index and (L1, . . . , LNTRP) is a tuple of numbers of spatial-domain (SD) basis vectors Lr associated with CSI-RS resource r=1, . . . , NTRP. The method further includes determining the CSI report based on the information and transmitting the determined CSI report.

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: Apparatuses and methods for channel state information (CSI) reporting in next generation multiple-input multiple-output (MIMO) systems. A method performed by a user equipment (UE) includes receiving information about a CSI report, the report based on at least two components: a set of basis entities and a set of coefficients; based on the information, determining the set of basis entities and the set of coefficients; and transmitting the CSI report including at least one indicator indicating at least one of the set of basis entities and the set of coefficients. The set of basis entities is based on X dimensions. The set of coefficients is not based on the X dimensions and is from a set of convolutional-based coefficients. X is associated with the CSI report and X?1.

Abstract: Methods and apparatuses for fast beam indication. A method of operating a UE includes receiving a number (M) of transmission configuration indicator (TCI)state code points activated by a medium access control element (MAC CE) and, if the UE is configured to be indicated TCI state code points on DL control information (DCI) and M>1, receiving the DCI that indicates at least one TCI state code point from the M TCI state code points and determining a TCI state to apply to at least one of downlink (DL) channels and uplink (UL) channels. The method further includes updating one or more spatial filters for at least one of the DL channels and the UL channels 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 one or more spatial filters.

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: Methods and apparatuses for fast beam selection. A method for operating a user equipment (UE) includes receiving configuration information on a set of transmission configuration information (TCI) states. Each of the TCI states refers to at least one source reference signal (RS) with a corresponding quasi co-location (QCL) and is associated with downlink (DL) data and UE-specific DL control information (DCI). The method further includes receiving a TCI state update on a physical downlink control channel (PDCCH), decoding the TCI state update, and applying the TCI state update to a reception of DL data and a corresponding UE-specific DL assignment.

Abstract: Apparatuses and methods for configuring uplink (UL) codebook are provided. A method performed by a user equipment (UE) includes transmitting UE capability information including at least one value of Ng from {1, 2, 4, 8}, each value indicating a number of antenna port groups with each group comprising N/Ng antenna ports, where N is a number of antenna ports at the UE, and receiving a configuration about (i) an uplink (UL) codebook for N antenna ports and (ii) a configured Ng value. The UL codebook is according to one of the at least one value of Ng. The method further includes 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 for N antenna ports. At least one value of N is 8.

Abstract: Methods and apparatuses for multiplexing channel status information (CSI) for a multi-transmission reception point (TRP) coherent joint transmission in a wireless communication system a method performed by a UE is provided. The method includes receiving information about a CSI report associated with Ntrp?1 CSI reference signal (CSI-RS) resources, where the CSI report includes a CSI Part 1 and a CSI Part 2 and, based on the information, determining the CSI Part 2 including groups G1 or G2. An amplitude coefficient indicator and a phase coefficient indicator are included in G1 or G2 based on a priority value Pri(l, i, f, r)=2·?n=1NL?(n)·v·?(f)+2·v·?n=1r?1L?(n)+v·i+l The method further includes transmitting the CSI Part 1 and the determined CSI Part 2.

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: Methods and apparatuses for channel state information (CSI) reporting in a wireless communication system. A method for operating a user equipment (UE) includes receiving a configuration about a CSI report, the configuration including a value of N4 and a codebookType. The method further includes, based on the configuration: determining, based on a condition, whether the CSI report includes an indicator indicating Q time domain (TD)/Doppler domain (DD) basis vectors and when the condition is met, determining the Q TD/DD basis vectors, each of length N4. The method further includes transmitting the CSI report including the indicator indicating the Q TD/DD basis vectors when the condition is met.

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information for at least one channel state information reference signal (CSI-RS) resource that comprises PCSIRS CSI-RS ports; receiving configuration information for channel state information (CSI) feedback that is based on Q precoding dimensions, wherein: there is a mapping between the PCSIRS CSI-RS ports and the Q precoding dimensions, and PCSIRS?Q; measuring the PCSIRS CSI-RS ports; determining a measurement for the Q precoding dimensions based on the mapping and the measurement for the PCSIRS CSI-RS ports; determining a CSI feedback based on the measurement for the Q precoding dimensions; and transmitting, over an uplink (UL) channel, the determined CSI feedback.

Abstract: Methods and systems are disclosed for delivery of notification messaging in an IP network. A multicast gateway may receive manifest files and segments of programming content for retrieval by a client device. The multicast gateway may receive segments of a notification message and modify information in the manifest file to reference the notification message content. Upon retrieval of the manifest file by a client device, the client may access the notification message content referenced in the manifest file. The multicast gateway may replace references to programming content with references to notification message content having a corresponding content type.

Abstract: A method for operating a user equipment (UE) comprises receiving configuration information about a channel state information (CSI) report associated with NRRH>1 remote radio heads (RRHs), wherein: NRRH=a number of RRHs, each RRH r=1, . . . , NRRH comprises a group of CSI reference signal (CSI-RS) ports, and the configuration information includes, for each RRH r=1, . . . , NRRH, information about at least one CSI-RS resource; and for each RRH r=1, . . . , NRRH: measuring the at least one CSI-RS resource, and determining, based on the measured at least one CSI-RS resource, whether a CSI-RS resource for RRH r is a channel measurement resource (CMR) or an interference measurement resource (IMR); generating the CSI report based on whether each CSI-RS resource among the measured at least one CSI-RS resource for each RRH is determined as a CMR or an IMR; and transmitting the CSI report.

Abstract: An apparatus for beam management includes a transceiver configured to receive configuration information for one or more transmission configuration indicator (TCI) states and corresponding channels, receive one or more TCI state identifiers (IDs) on a channel for conveying TCI state IDs from among the corresponding channels, and transmit an acknowledgement message in response to the reception of the one or more TCI state IDs. The apparatus further includes a processor configured to determine, based on the one or more TCI state IDs, TCI states for data and control channels, respectively, from among the corresponding channels, and update spatial filters for the data and control channels based on the determined TCI states for the data channels and the control channels, respectively. The transceiver is further configured to receive the data channels and the control channels based on the updated spatial filters for the data and the control channels, respectively.

Abstract: A method for operating a user equipment (UE) comprises receiving channel state information (CSI) reporting configuration information including a CSI reporting band and a frequency granularity of CSI reporting, where the CSI reporting band is within a bandwidth part (BWP) comprising M physical resource blocks (PRBs), and the frequency granularity of CSI reporting is based on whether M<N, where N is a threshold; identifying the frequency granularity of CSI reporting; generating a CSI report with the identified frequency granularity, wherein the CSI report includes at least one of a precoding matrix indicator (PMI) and a channel quality indicator (CQI); and transmitting the CSI report over an uplink (UL) channel.

Abstract: Apparatuses and methods for codebook subset restriction for coherent joint transmission in wireless networks. A method includes receiving information about a channel state information (CSI) report associated with NTRP>1 groups of antenna ports. The information indicates (i) a coherent joint transmission (CJT) codebook, (ii) a rank restriction, and (iii) NTRP codebook subset restrictions (CBSRs). The method further includes identifying, based on the rank restriction, a set S1 of one or more rank values allowed for the CSI report; identifying, based on the NTRP CBSRs, sets S2,1, . . . , S2,NTRP; determining the CSI report associated with the NTRP groups of antenna ports based on the CJT codebook, the set S1, and the sets S2,1, . . . , S2,NTRP; and transmitting the CSI report. For n=1, . . . , NTRP, the set S2,n is associated with n-th groups of antenna ports of the NTRP groups of antenna ports. The set S2,n includes spatial-domain (SD) basis vectors that are allowed for the CSI report.

Abstract: Method and apparatuses for channel state information (CSI) reporting based on a window of basis vectors are provided. A method includes receiving a configuration about a CSI report including information about NTRP non-zero power (NZP) CSI-reference signal (RS) resources, where NTRP?1, and a parameter codebookType set to type-II-CJT-r18 or type-II-PortSelection-CJT-r18. The method further includes determining, for each layer l=1, . . . , v, an indicator for indicating an index of a strongest coefficient among KlNZ coefficients, where KlNZ is a total number of non-zero coefficients that are associated with Z NZP CSI-RS resources and Z?NTRP, and a number of bits Pl for the indicator. The method further includes transmitting the CSI report including, for each layer, Pl bits for the indicator. When codebookType=type-II-CJT-r18, a value of Pl depends on a value of KlNZ or a value of ?r=1Z Lr. When codebookType=type-II-PortSelection-CJT-r18, the value of Pl depends on a value of 2Mv ?r=1Z Lr.

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: Methods and apparatuses for reporting of time-domain channel correlation properties are provided. A method includes receiving a configuration about a CSI report. The configuration includes information about (i) M non-zero power (NZP) CSI reference signal (RS) resources for tracking, (ii) a number (K) of time-domain correlation values, and (iii) delay values ?k for k=0,1, . . . , K?1. The method further includes, based on the configuration: measuring the M NZP CSI-RS resources for tracking, determining, based on the measurement, the K time-domain correlation values, wherein a k-th correlation value is between two CSI-RS transmission occasions that are separated by one of the delay values ?k, and quantizing a value for an amplitude of each of the K time-domain correlation values. The method further includes transmitting the CSI report including an indicator, for each of the K time-domain correlation values, indicating the quantized value of the amplitude.

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).