Abstract: Apparatuses, methods, and systems are disclosed for associating default beams for multiple physical downlink shared channel and/or physical uplink shared channel (PDSCH/PUSCH). One apparatus includes a processor coupled to a transceiver, the processor and the transceiver configured to cause the apparatus to receive a control resource set (CORESET) configuration indicating a plurality of beams and a corresponding duration for each indicated beam for at least CORESET identifier (ID) and to monitor the at least one CORESET in different physical downlink control channel (PDCCH) monitoring occasions using different beams. Via the transceiver, the processor receives a first CORESET within a PDCCH transmission, the first CORESET scheduling multiple physical channel transmissions, and communicates with the RAN on the multiple scheduled physical channels using the plurality of beams associated with a lowest CORESET ID configured to the device.

Abstract: Apparatuses, methods, and systems are disclosed for configuring a polarization type. One method includes receiving configuration information from a network device for employing a polarization multiplexing mode. The configuration information includes: information for applying at least two polarization types for downlink data reception; information for applying at least two polarization types for uplink data transmission; or a combination thereof.

Abstract: Apparatuses, methods, and systems are disclosed for configuring a polarization type. One method includes receiving first configuration information from a network device for a serving cell. The first configuration information indicates at least one polarization type for downlink reception, for uplink transmission, or a combination thereof. The method includes receiving second configuration information from the network device for a handover procedure to a target cell. The second configuration information indicates at least one polarization type for downlink reception, for uplink transmission, or a combination thereof.

Abstract: Apparatuses, methods, and systems are disclosed for optionally performing a listen-before-talk operation. One method includes configuring communications in an unlicensed spectrum to use a listen-before-talk mode of operation, a non-listen-before-talk mode of operation, or a combination thereof. In some embodiments, the method includes receiving information indicating whether to perform a specific data communication using the listen-before-talk mode of operation or the non-listen-before-talk mode of operation. The information indicating whether to perform the specific data communication is received using semi-static cell specific information, semi-static user equipment specific information, dynamic user equipment specific signaling, or dynamic group common signaling.

Abstract: Apparatuses, methods, and systems are disclosed for ultra-wideband measurements for radio access technology-independent positioning. One apparatus includes a transceiver that transmits a set of capabilities related to ultra-wideband positioning, receives UWB assistance data to perform UWB positioning, and transmits a UWB measurement and location information report for the UE device using the at least one UWB positioning method associated with at least one of a set of timing-based and a set of angular-based UWB measurements. The apparatus includes a processor that determines information for potential causes of error for one or more of a UWB configuration and a position estimate for the UE device. The transceiver transmits the determined information for the potential causes of error and receives UWB-specific error information associated with one or more of the UWB configuration and the position estimate information for correcting the determined potential causes of error.

Abstract: Apparatuses, methods, and systems are disclosed for radio-based sensing and joint communication. One apparatus includes a transceiver and a processor that receives a first configuration from a Radio Access Network (“RAN”) node, where the first configuration includes a time-division duplex pattern with a set of symbols for radio-based sensing and a set of symbols for data/control channels. The processor receives a second configuration from the RAN node that includes one or more of: a waveform type indication, a sub carrier spacing (“SCS”) value, a carrier bandwidth for transmission and/or reception of radio-based sensing signals, and combinations thereof. Via the transceiver the processor transmits a radio-based sensing signal and a data/control channel according to the received configurations.

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 radar-sensing in a radio access network (“RAN”). One apparatus includes a transceiver and a processor that configures time-frequency resources for radar-sensing in a RAN, the time-frequency resources comprising a radar-sensing slot. The processor receives sensing information and determines an obstacle in a cell based on the radar-sensing information.

Abstract: Apparatuses, methods, and systems are disclosed for unified signaling for Downlink Preemption Indication (“DL PI”) and Uplink Cancellation Indication (“UL CI”). One apparatus in a mobile communication network includes a processor and a transceiver that receives first signaling information from a Radio Access Network (“RAN”) device to schedule first communication resources and receives second signaling information after receiving the first signaling information. Here, the processor determines unavailability of at least one set of uplink resources and unavailability of at least one set of downlink resources from the second signaling information on the scheduled first communication resources.

Abstract: Apparatuses, methods, and systems are disclosed for supporting JED model selection and training. One apparatus includes a processor and a transceiver that receives a configuration from a network device, said configuration indicating at least one of: a set of resources for model training, a type of intended model training, and combinations thereof. The processor selects a Joint Channel Equalization and Decoding (“JED”) model from a set of models based on the received configuration. The processor trains the selected JED model using the received configuration.

Abstract: Apparatuses, methods, and systems are disclosed for determining a precoder for wireless communications. An apparatus includes a processor that determines a precoder for a set of modulation symbols, the determined precoder comprising a plurality of codewords and configured to reduce an ensemble interference and a pairwise interference among the plurality of codewords. The processor precodes the set of modulation symbols based on the determined precoder. The processor maps the precoded set of modulation symbols to a set of physical transmission resources for a transmission layer, wherein a number of modulation symbols in the set of modulation symbols is greater than a number of physical transmission resources in the set of physical transmission resources. The apparatus includes a transceiver that transmits, to a receiver node, an indication of the determined precoder and the set of physical transmission resources.

Abstract: Apparatuses, methods, and systems are disclosed for adjusting retransmission timing for a configured grant. One apparatus includes a processor that determines an offset value for a retransmission timer associated with a configured grant for communications between the UE and a mobile wireless communication network. The processor starts the retransmission timer adjusted by the offset value in response to transmission of data corresponding to a transport block (“TB”) on a hybrid automatic repeat request (“HARQ”) process. The processor detects expiration of the retransmission timer associated with the configured grant. In response to detecting expiration of the retransmission timer, the processor determines a transmission resource from a plurality of configured transmission resources for retransmitting a TB.

Abstract: Apparatuses, methods, and systems are disclosed for performing channel occupancy time sensing. One method includes receiving information configuring a single channel occupancy time for multi-beam transmission in an unlicensed channel. The method includes performing sensing for the single channel occupancy time. The sensing includes: omni-directional sensing at a beginning of the single channel occupancy time; directional sensing on a plurality of beams at the beginning of the single channel occupancy time; directional sensing on the plurality of beams in a time domain multiplexing manner before each transmission based on a time gap between transmissions; or some combination thereof.

Abstract: A transceiver (1070) can receive a configuration of multiple beams, a respective duration of validity of each of the beams for an apparatus (1000), and an indication of location related information, where the beams provide communication between the apparatus (1000) and a network entity. A controller (1020) can determine a set of the multiple beams to apply for communications based on at least the location related information and the duration of validity of each beam. The transceiver (1070) can communicate on different beams of the set of the beams at different time instances based on at least the location related information and the duration of validity of each beam.

Abstract: Apparatuses, methods, and systems are disclosed for indicating a subcarrier spacing value. One method includes receiving a configuration from a network device for a report including an indication of at least one subcarrier spacing value for transmitting a physical channel, receiving the physical channel, or a combination thereof. The method includes, in response to receiving the configuration, estimating the at least one subcarrier spacing value by calculating a Doppler spread, an average delay, a delay spread, a phase noise power, an inter carrier interference level, or some combination thereof. The method includes transmitting the report including the indication of the at least one subcarrier spacing value.

Abstract: Apparatuses, methods, and systems are disclosed for non-LBT based fair coexistence. One apparatus includes a processor and a transceiver that receives a measurement configuration from a network node indicating a measurement resource and time window for performing interference measurement. The processor configures a ZP-CSI-RS for performing long-term interference measurement according to the measurement configuration and performs detection activity including A) performing an interference measurement on a plurality of beams within a configured time window using the configured measurement resource, and/or B) receiving acknowledgment feedback from the network node for intra-network transmission. The processor determines an interference amount based on the detection activity and adjusts a UE transmission power for an UL physical channel transmission based on the determined amount of interference.

Abstract: Apparatuses, methods, and systems are disclosed for precoding wireless communications. An apparatus includes a processor and a memory coupled with the processor. The memory includes instructions that are executable by the processor to cause the apparatus to precode a set of symbols over a set of resources using a transform precoder that constrains a search space of codewords to a unit hypersphere such that the transform precoder comprises a spherical codebook having an angular threshold distance between codewords and to combine the precoded symbols in a redundant manner such that multiple parts of precoded symbols are used to protect against loss of the set of symbols.

Abstract: Apparatuses, methods, and systems are disclosed for Synchronization Signal/Physical Broadcast Channel Block (“SSB”) pattern enhancements. One apparatus includes a processor and a transceiver that receives a SSB structure comprising more than four time domain symbols. Here, the SSB structure includes at least one time domain symbol for each of a Primary Synchronization Signal (“PSS”) and a Secondary Synchronization Signal (“SSS”). The SSB structure also includes multiple time domain symbols for a Physical Broadcast Channel (“PBCH”). The processor performs cell search based on the received SSB structure and accesses a first cell based on the received SSB structure.

Abstract: Apparatuses, methods, and systems are disclosed for configuring random access procedures. One method includes receiving, at a user equipment, a first configuration from a network. The first configuration corresponds to performing a physical random access channel transmission on multiple random access channel occasions. The method includes receiving a second configuration from the network. The second configuration corresponds to performing Msg3 repetition, MsgA repetition, or a combination thereof. The method includes performing a random access procedure based on the first configuration and the second configuration.

Abstract: Apparatuses, methods, and systems are disclosed for measuring and reporting channel access statistics. One apparatus includes a processor and a transceiver that receives a configuration message from a network, said configuration message indicating a measurement resource for channel sensing and a spatial beam for the measurement resource. Here, the apparatus does not transmit on the measurement resource and the network also does not transmit on the measurement resource. The processor performs channel-sensing measurement using the indicated measurement resource and spatial beam and generates a channel access report using a plurality of channel-sensing measurements. The transceiver sends the channel access report to the network.