Abstract: Apparatuses, methods, and systems are disclosed for configuring an AI based framework. One method includes receiving a first indication indicating an AI based framework. The method includes receiving configuration information corresponding to CSI report settings. The configuration information includes CSI RSs to be received at a UE; and the CSI RSs are transmitted over a frequency index, a spatial index, and/or a temporal index, and decomposed into two groups based on the frequency index, the spatial index, and/or the temporal index. The method includes generating first CSI based on a first group of the two groups of CSI RSs. The method includes transmitting a CSI report including the first CSI. The method includes communicating an AI based report corresponding to second CSI corresponding to a second group of the two groups of CSI RSs. The first AI based report for CSI includes a correlation between the first and second CSI.

Abstract: A method and apparatus are provided, in which a higher layer configuration is received (2002), where the user equipment is configured with two timing reference signals for receiving a common communication having a same set of data from multiple signal sources. A downlink scheduling assignment including downlink control information is received (2004) in a control channel scheduling a physical downlink shared channel, wherein the downlink scheduling assignment comprises an indication of a transmission configuration indicator identifying two transmission configuration indicator states, which each indicate quasi-co-location information of a demodulation reference signal corresponding to the physical downlink shared channel relative to a respective one of the first and the second timing reference signals. The physical downlink shared channel is then received (2006) according to the downlink scheduling assignment including the downlink control information.

Abstract: Apparatuses, methods, and systems are disclosed for configuring an AI based framework. One method includes receiving, an indication indicating an artificial intelligence based framework. The method includes receiving configuration information corresponding to the artificial intelligence based framework. The configuration information comprises at least one parameter of the artificial intelligence based framework. The method includes communicating an artificial intelligence report corresponding to the artificial intelligence based framework based on the configuration information. The artificial intelligence report includes: a set of values corresponding to the configuration information; an indication of a subset of a set of channel resources; or a combination thereof. The artificial intelligence report corresponds to a usage value that describes an artificial intelligence based application.

Abstract: Apparatuses, methods, and systems are disclosed for repeater configuration for channel state information reference signal. An apparatus includes a transceiver that receives a first configuration from a base station of a mobile wireless communication network, the first configuration comprising channel state information reference signal (“CSI-RS”) configuration information for amplifying and forwarding CSI-RS beams to a user equipment (“UE”) device from the repeater node. The transceiver receives a second configuration from the base station, the second configuration comprising configuration information for performing measurement and reporting of the CSI-RS beams. The transceiver receives repeater-specific CSI-RS to be forwarded to the UE device and transmits the repeater-specific CSI-RS to the UE device according to the first configuration.

Abstract: Apparatuses, methods, and systems are disclosed for channel state information reporting. One method includes receiving channel state information report configuration information. The channel state information report configuration information includes: information indicating one or more channel state information-reference signal resource configurations associated with at least one non-zero power channel state information reference signal resource set for channel measurement; and information indicating that the channel state information report configuration corresponding to multiple points is used. The multiple points are associated with a primary group of points or a secondary group of points. The method includes performing channel measurements using the at least one non-zero power channel state information reference signal resource set. The method includes generating a set of channel state information reports based on the channel state information report configuration information.

Abstract: A CBSR configuration can include a set of restricted beams. Each restricted beam can be constrained by a configured maximum allowed gain value. A set of beams including one or more restricted beams can be selected. A set of precoder coefficients can be determined for each selected beam. A function of the set of precoder coefficients can satisfy the configured maximum allowed gain value. The function can be proportional to a square root of an average of squared values of amplitudes of members of the subset. A CSI report can be transmitted. The CSI report can include at least an indicator of the set of selected beams and an indicator of the set of precoder coefficients corresponding to each selected beam.

Abstract: Apparatuses, methods, and systems are disclosed for configuring repeater-assisted communication. One method includes transmitting, from a first network node (“NN”), an indication of repeater-assisted communication to a second NN and a third NN. The method includes transmitting configuration information to the second NN and the third NN. The configuration information includes control information that corresponds to whether the second NN and the third NN are turned on or turned off, the control information corresponding to whether the second NN and the third NN are turned on or turned off is correlated, the control information identifies timing information for the second NN and the third NN, and the timing information indicates whether the second NN and the third NN are expected to transmit a signal received at the second NN and the third NN at a prior time to the first NN and/or a fourth NN based on the configuration information.

Abstract: Apparatuses, methods, and systems are disclosed for repeater configuration for initial access. An apparatus includes a transceiver that that receives an initial setup configuration from a base station of a mobile wireless communication network for establishing a forwarding link with a user equipment (“UE”) device, receives an initial access configuration from the base station, the initial access configuration comprising one or more configuration parameters that allow the UE to establish access to the mobile wireless communication network, and transmits feedback to the base station that indicates reception of one or more of the initial setup configuration and the initial access configuration.

Abstract: Generating a channel state informal ion (CSI) feedback report is provided. A set of reference signals is received (1302). A plurality of entries that are included in the CSI feedback report are computed (1304), where the entries of the CSI feedback report include at leas: a set of coefficients (1306). Each coefficient is associated with at least one or more of a spatial domain basis index, frequency domain basis index, and a layer index (1308). The plurality of entries of the CSI feedback report are arranged (1310) in an order known to both the user equipment and the network entity. The plurality of entries of the CSI feedback report are prioritized using predefined permutations of the indices (1314).

Abstract: A transceiver can transmit a codebook subset restriction configuration including a set of restricted beams. A channel state information report including a plurality of sets of quantized coefficients based on the codebook subset restriction configuration can be received. A set of quantized weights can be based on a least a Fourier transform of a set of quantized coefficients of the particular restricted beam. The plurality of sets of quantized coefficients can be based on quantized weights of the particular restricted beam satisfying a constraint. The plurality of sets of quantized coefficients can be further based on a set of coefficients quantized to determine the plurality of sets of quantized coefficients. The set of coefficients can be generated by transforming a set of beam weights from a frequency domain to a time domain, where the beam weights correspond to a transmitted beam.

Abstract: Apparatuses, methods, and systems are disclosed for Type-II port-selection codebook generation. One apparatus includes a processor and a transceiver that receives a set of CSI-RS. The processor identifies a set of CSI-RS ports based on the set of CSI-RS. The processor selects a subset of CSI-RS ports from the identified set of CSI-RS ports based on a free selection of the respective CSI-RS ports from the identified CSI-RS ports. The processor generates, based on the set of CSI-RSs, at least one amplitude coefficient indicator and at least one phase coefficient indicator for each selected CSI-RS port generates a CSI report comprising a Type-II port-selection codebook corresponding to the generated coefficients and the subset of CSI-RS ports.

Abstract: A method and apparatus are provided in which a set of reference signals is received (2102), and a set of channel signatures for a multiple antenna communication channel is estimated (2104). Channel state information including a set of quality metrics is calculated (2106). In response to the set of quality metrics satisfying a criterion, the baseline receiver for the multiple antenna communication channel is selected (2108). In response to the set of quality metrics not satisfying the criterion, the alternative receiver for the multiple antenna communication channel is selected (2110). The selectable alternative receiver for the multiple antenna communication channel at the user equipment is based on a set of integer linear combinations, where each integer linear combination is based on at least a pair of channel signatures from the estimated set of channel signatures (2112).

Abstract: For Type-II codebook compression, methods, apparatus, and systems are disclosed. One apparatus includes a transceiver and a processor coupled to the transceiver, the processor being configured to cause the apparatus to: receive a reference signal, identify a set of taps over a layer based on the reference signal, where the set of taps correspond to a set of sub-band indices. The processor is configured to cause the apparatus to generate a combinatorial codeword representing the set of taps and transmit a CSI report indicating the combinatorial codeword.

Abstract: A method and user equipment are provided for generating a channel state information feedback report, which has multiple layers, from channel state information associated with each of the multiple layers including at least one parameter, which is commonly present in the channel state information associated with each of the multiple layers. Each commonly present parameter in each of the multiple layers has a respective value. A set of reference signals transmitted from a network entity are received and observed channel characteristics are organized, based on the received set of reference signals, into the multiple layers of channel state information. From the at least one parameter, which is commonly present in each of the multiple layers, selecting one or more parameters from which a respective index value can be derived for each of the multiple layers.

Abstract: A codebook subset restriction configuration can be received (410) from a network entity. A set of reference signals can be received (420) from the network entity. A set of frequency domain coefficients can be defined (430). The set of frequency domain coefficients can be an element of a discrete Fourier transform-compression codebook. The set of frequency domain coefficients can be generated (440) based on at least the restriction of the function of the amplitude restriction ratio of each beam in the set of restricted beams. At least one channel state information report containing the set of frequency domain coefficients can be transmitted (450).

Abstract: A CBSR configuration can include a set of restricted beams. Each restricted beam of the set of restricted beams can be associated with a restricted beam gain coefficient. A plurality of sets of quantized coefficients can be determined based on the CBSR configuration. A set of quantized coefficients corresponding to a particular restricted beam can generate a set of quantized weights at a set of frequencies based on a least a Fourier transform of the set of quantized coefficients of the particular restricted beam. The plurality of sets of quantized coefficients can be determined such that quantized weights of the particular restricted beam satisfy a constraint based on at least the set of quantized coefficients corresponding to the particular restricted beam and the restricted beam gain coefficient. A CSI report can be transmitted. The CSI report can include the plurality of sets of quantized coefficients.

Abstract: An apparatus and method provide for receiving, from a network node, a set of reference signals. A set of beams are identified based on the set of reference signals. A subset of coefficients with non-zero values are determined from a set of coefficients, each coefficient of the subset of coefficients being associated with a pair of values comprising an amplitude value and a phase value, each coefficient of the set of coefficients corresponding to a respective beam of the set of beams for each respective layer of the set of layers and a respective frequency-domain index of a set of frequency domain indices for each layer of the set of layers. The set of layers are partitioned into a plurality of groups of layers. A beam bitmap vector is generated for each group of the plurality of groups of layers, the beam bitmap vector indicating a subset of beams of the set of beams within the layer-group, the subset of beams being associated with the subset of coefficients.

Abstract: For Type-II codebook compression, methods, apparatus, and systems are disclosed. One apparatus includes a transceiver that receives a reference signal and a processor that identifies a set of taps over a layer based on the reference signal, where the set of taps are selected from a set of Nsb indices, the value Nsb representing a number of sub-bands. The processor generates a combinatorial codeword representing the set of taps. The processor reports the combinatorial codeword for the set of taps as part of a CSI feedback report.

Abstract: The generation of a channel state information report is provided. The generation includes transmitting reference signals to a user equipment, and receiving a reported set of quantized weighting coefficients, each of the weighting coefficients corresponding to a respective beam index and a respective tap index, where a set of beams based on the received reference signals is selected, where each of the beams corresponds to a discrete Fourier transform vector, and where each of the beams has a corresponding beam index. The tap index corresponds to a member of a Fourier basis set, where at least two subsets of the reported set of weighting coefficients are quantized according to separate quantization procedures.

Abstract: A method and apparatus are provided for generating a channel state information report having information corresponding to a set of layers. The method includes receiving a set of reference signals transmitted from a network including at least one base station. A set of beams are identified based on the set of reference signals. A pair of amplitude and phase coefficient vectors are obtained by transforming the received set of reference signals, wherein each pair of the amplitude and phase coefficient vectors corresponds to a beam in the set of beams in each layer of the set of layers. The layers from the set of layers are partitioned into a set of layer-groups. A beam bitmap vector is generated for each layer-group indicating a subset of a selected set of beams within the layer-group. A coefficient bitmap vector is generated for each of the selected set of beams in each layer indicating the coefficients with non-zero amplitude values, based on the beam bit map vector.