Abstract: Various aspects of the present disclosure relate to codebook structure for reciprocity-based type-II codebook. One apparatus includes at least one memory and at least one processor that is configured to cause the apparatus to receive a channel state information (“CSI”) reporting configuration, receive CSI reference signals (“CSI-RSs”) corresponding to a set of CSI-RS ports, select a subset of CSI-RS ports of the set of CSI-RS ports, the subset of CSI-RS ports being common for a subset of layers of the set of one or more layers, and report an indication of the subset of CSI-RS ports of the set of CSI-RS ports in a CSI report, the indication having a form of a combinatorial function that corresponds to half of a number of CSI-RS ports of the set of CSI-RS ports.

Abstract: Apparatuses, methods, and systems are disclosed for configuring a channel state information report. One method includes receiving, at a user equipment, two downlink control information (DCI) sequences over a physical downlink control channel (PDCCH). Information for a first PDSCH of the at least one PDSCH corresponding to a first DCI sequence of the two DCI sequences is inferred from DCI fields corresponding to a second DCI sequence of the two DCI sequences. The method includes receiving at least one channel state information (CSI) reporting configuration. The method includes receiving a CSI reference signal transmitted from the two network nodes based on the at least one CSI reporting configuration. The method includes transmitting a CSI report based on the least one CSI reporting configuration and the CSI reference signal.

Abstract: Apparatuses, methods, and systems are disclosed for configuring tracking reference signal resources. One method (500) includes receiving (502) an indication of a HST SFN transmission from at least one TRP in a network. The method (500) includes configuring (504) the UE with two TRS resources. The method (500) includes receiving (506) a downlink scheduling grant that includes a TCI codepoint indicating two TCI states corresponding to the two TRS resources. The method (500) includes configuring (508) the UE to report at least one Doppler indicator value to the network based on received TRSs. The method (500) includes identifying (510) the at least one Doppler indicator value. The method (500) includes reporting (512) the at least one Doppler indicator value to the network. The method (500) includes receiving (514) at least one DMRS port corresponding to each layer of a PDSCH, PDCCH, or a combination thereof.

Abstract: Apparatuses, methods, and systems are disclosed for updating a channel state information report. One method (600) includes receiving (602), at a user equipment, a first configuration from a network device to activate an update of a channel state information (CSI) report. The method (600) includes receiving (604) a second configuration from the network device to perform a resource utilization update on resources from the update of the CSI report. The method (600) includes performing (606) the update of the CSI report. The method (600) includes performing (608) an uplink (UL) transmission based on the resources updated from the resource utilization update. The method (600) includes transmitting (610) an indication to the network device. The indication indicates a type of CSI update and a type of resource utilization update.

Abstract: Various aspects of the present disclosure relate to channel state information reporting for multiple transmit/receive points and frequency division duplex reciprocity. One apparatus includes at least one memory and at least one processor that is configured to a channel state information (“CSI”) reporting configuration, the CSI reporting configuration comprising an indicator of multi-point transmission, and a configuration comprising at least two groups of channel measurement resources (“CMRs”). The at least one processor determines at least one CSI report based on the at least two groups of CMRs, the at least one CSI report mapped to a transmission hypothesis corresponding to one of a single-point transmission and a multi-point transmission. The at least one processor transmits the at least one CSI report to the mobile wireless communication network, the at least one CSI report ordered according to a predefined priority.

Abstract: Apparatuses, methods, and systems are disclosed for channel state information (“CSI”) reporting. One method includes receiving at least one CSI report setting. Each CSI report setting of the at least one CSI report setting triggers at least one CSI resource setting. The method includes receiving at least one set of reference signals transmitted from at least one transmission and reception point (“TRP”) in a network according to the at least one CSI resource setting. The method includes receiving an indication of CSI measurement, and/or CSI reporting corresponding to a single frequency network (“SFN”) scheme for the at least one TRP in the network. The method includes transmitting at least one CSI report on at least one physical uplink shared channel (PUSCH), and/or physical uplink control channel (PUCCH) based on the at least one CSI report setting.

Abstract: Apparatuses, methods, and systems for configuring a CSI report. One method (600) includes receiving (602) an indication of CSI configuration measurement and/or reporting for a high-speed user equipment. The method (600) includes receiving (604) a CSI measurement configuration based on a reference signal resource with a resource setting. The method (600) includes generating (606) a set of CSI feedback parameters based on a report setting configuring a user equipment for CSI reporting. The method (600) includes identifying (608) a combination of parameters. Each combination of parameters of includes a report setting, a resource setting, and a CSI feedback report format. The method (600) includes transmitting (610) a set of CSI reports to a network. Each CSI report: corresponds to a configuration mode having a primary and secondary configuration mode; includes at least one type of a codebook configured via a codebook configuration; and includes a CSI part.

Abstract: Apparatuses, methods, and systems are disclosed for CSI report configuration. One method includes receiving at least one CSI reporting setting. The at least one CSI reporting setting includes at least one CSI RS resource setting, and the CSI reporting setting includes an indication of CSI feedback reporting for multiple transmission points in a mobile communication network. The method includes identifying a set of transmission hypotheses based on the CSI reporting setting. The hypotheses include a combination of single-point transmission from at least one TRP, or multi-point joint transmission from two TRPs. The method includes receiving at least one CSI reference signal resource transmitted from the mobile communication network based on the CSI reference signal resource setting. The method includes generating a set of at least one CSI report based on the CSI reporting setting.

Abstract: Apparatuses, methods, and systems are disclosed for reporting channel state information for high speed devices. One method (800) includes receiving (802) an indication of a high-speed channel state information framework. The method (800) includes receiving (804) a channel state information reporting configuration corresponding to high-speed devices. The method (800) includes receiving (806) channel state information reference signal resources based on a channel state information reference signal resource configuration. The method (800) includes generating (808) at least one channel state information report based on at least one measurement, at least one configuration, and/or at least one indication according to the channel state information reporting configuration. The at least one channel state information report includes a first part and a second part, and the second part includes at least one group. The method (800) includes reporting (810) the at least one channel state information report to a network.

Abstract: Apparatuses, methods, and systems are disclosed for reporting a UE-selected parameter combination for reciprocity-based Type-II CSI codebook. One apparatus includes a processor and a transceiver that receives a CSI reporting configuration from a mobile communication network, the reporting configuration containing a codebook configuration. The processor identifies a set of antenna ports based on a received set of CSI reference signals and generates at least one coefficient amplitude indicator and one coefficient phase indicator for each antenna port in the identified set of antenna ports. The processor selects a subset of at least one parameter combination from a set of two or more parameter combinations corresponding to the codebook configuration and sends a CSI report to the mobile communication network, the CSI report indicating the selected parameter combination.

Abstract: Apparatuses, methods, and systems are disclosed for measuring resources based on a criterion. One method includes receiving, at a wireless device, a first configuration including information indicating a first set of resources. The method includes receiving a second configuration including information indicating an association with the first configuration and a set of at least one criterion parameter. The method includes performing a measurement corresponding to the first set of resources. The method includes determining whether a criterion of the measurement is satisfied. The criterion is determined according to the set of at least one criterion parameter. The method includes, in response to determining that the criterion of the measurement is satisfied, transmitting a control message according to the second configuration. The control message includes a field based on the measurement.

Abstract: Apparatuses, methods, and systems are disclosed for channel state information reporting for multiple transmit/receive points. One apparatus includes a transceiver that receives, at a UE, one or more channel state information reporting configurations associated with multiple transmission/reception points reporting for a mobile wireless communication network. The transceiver receives, at the UE, one or more CSI reference signals from the mobile wireless communication network, the one or more CSI-RSs configured for at least one of channel measurement and interference measurement. In one embodiment, the transceiver transmits, from the UE, one or more CSI reports corresponding to one or more transmission hypotheses based on the at least one of channel measurements and interference measurements, each CSI report comprising one or more precoding matrix indicators and one or more rank indicators.

Abstract: Apparatuses, methods, and systems are disclosed for reporting CSI based on a transmission hypothesis. One method includes receiving a CSI reporting configuration corresponding to TRPs. The method includes receiving at least one CSI reference signal resource based on the CSI reporting configuration. The method includes generating at least one CSI report corresponding to a transmission hypothesis. The at least one CSI report includes at least one CQI value; each hypothesis corresponds to a single TRP or multiple TRPs jointly transmitted from two TRPs, and a transmission configuration including two TCI states corresponds to the TRPs; the at least one CSI report is transmitted based on a CSI reporting trigger; and a number of CSI reports of the at least one CSI report is generated based on a UE capability of the UE.

Abstract: Apparatuses, methods, and systems are disclosed for channel state information reporting for multiple transmit/receive points. One apparatus includes a transceiver that receives an indication from a mobile wireless communication net- work that channel state information (“CSI”) corresponding to multiple transmit/receives points (“TRPs”) is to be reported and a processor that generates at least one CSI report according to the CSI reporting configuration, the at least one CSI report comprising a CSI-reference signal (“CSI-RS”) resource indicator (“CRI”), wherein the transceiver reports the at least one CSI report comprising the CRI to the mobile wireless communication network.

Abstract: Apparatuses, methods, and systems are disclosed for channel state information report coefficients. One method (700) includes receiving (702), at a user equipment, a set of reference signals. The method (700) includes identifying (704) a set of ports based on the set of reference signals. The method (700) includes selecting (706) a subset of ports from the set of ports. The method (700) includes computing (708) a subset of coefficients corresponding to a set of indices for each reference signal in the set of reference signals. The method (700) includes generating (710) a channel state information report comprising the subset of coefficients corresponding to the set of indices for each port in the subset of ports.