Abstract: Systems, apparatuses, methods, and computer-readable media are provided for channel state information (CSI)-reference signal (RS) triggering for multiple user equipments (UEs) using a single downlink control information (DCI). In some embodiments, a new radio network temporary identifier (RNTI) may be used to indicate triggering of CSI-RS transmission for multiple UEs. Additionally, or alternatively, a new DCI format may be used that supports CSI-RS triggering for multiple UEs. The techniques described herein may provide reduced DCI overhead compared with prior techniques. Other embodiments may be described and claimed.

Abstract: In some embodiments, a first device may include a first network interface corresponding to a first wireless link connected to a cellular network, a second network interface corresponding to a second wireless link connected to a second device, a network stack including a first layer, and one or more processors. The one or more processors may obtain, at the first layer, a first set of values relating to the first wireless link and a second set of values relating to the second wireless link, determine, based at least on the first set of values and the second set of values, a first data rate and a second data rate that satisfy one or more criteria, wirelessly transmit, via the first network interface, first data at the first data rate, and wirelessly transmit, via the second network interface, second data at the second data rate.

Abstract: Various embodiments herein provide techniques for a unified transmission configuration indicator (TCI) framework for multi-transmission-reception point (TRP) operation in a wireless cellular network. For example, embodiments may relate to use of a joint TCI codepoint to indicate one or more TCI states (e.g., a joint uplink (UL)/downlink (DL) TCI state, a UL TCI state, and/or a DL TCI state). The techniques may be used for multi-downlink control information (DCI) multi-TRP operation and/or single-DCI multi-TRP operation. Embodiments further relate to techniques for transmission repetition and uplink power control. Other embodiments may be described and claimed.

Abstract: This disclosure describes systems, methods, and devices for beam signaling, beam failure recovery (BFR), a transmission configuration indicator (TCI), and multiple transmit/receive point (multi-TRP) operations. A device may set a first coresetpoolindex value for at least one physical uplink control channel (PUCCH) resource; identify a match between the first coresetpoolindex value and a second coresetpoolindex value of a beam indication in downlink control information received by the UE device; and based on the match, update a transmission configuration indicator (TCI) for the at least one PUCCH resource.

Abstract: An apparatus for use in an O-RAN base station includes processing circuitry. To configure the O-RAN base station for signal processing in an O-RAN network, the processing circuitry is to decode an SRS and a DMRS in a UL stream received from at least one UE. Channel estimation is performed based on the SRS to obtain a channel estimate matrix of channel estimates associated with reception of the UL stream. A noise covariance is generated using the DMRS. Beamforming weights are determined using the channel estimate matrix and the noise covariance. Beamforming is performed on UL data corresponding to the UL stream to generate beamformed data streams. The beamforming is based on applying the beamforming weights to the UL data.

Abstract: Systems, apparatuses, methods, and computer-readable media are provided for pathloss reference signal configuration when different cell IDs are configured for multi-TRP operation. Other embodiments may be described and/or claimed.

Abstract: Systems, apparatuses, methods, and computer-readable media are provided for user equipment (UE) idle mode operations. In embodiments, a UE wakes up more than once during a Discontinuous Reception (DRX) cycle. Inter-frequency measurement requirements may be relaxed based on DRX cycle length. Some embodiments include radiofrequency (RF) circuitry warm-up overhead reduction by on-duration separation with RF circuitry switching pattern adaption. Some embodiments include and RF circuitry warm-up overhead reduction by adaptive synchronization signal block (SSB) reference symbol down-selection. Other embodiments may be described and/or claimed.

Abstract: A service device (e.g., a user equipment (UE), a new radio NB (gNB), or other network component or network management component) can process or generate a Downlink Control Information (DCI) that schedules a Physical Uplink Shared Channel (PUSCH) transmission in a PUSCH. The PUSCH transmission can be generated based on a Demodulation Reference Signal (DMRS) according to a Discrete Fourier Transform (DFT) spread Orthogonal Frequency Division Multiplexing (DFT-s-OFDM) waveform in uplink. A sequence of the DMRS can be generated based on a Gold sequence and a Pi/2 Binary Phase-Shift Keying (BPSK) modulation.

Abstract: Systems, devices, and techniques for antenna port configuration in wireless communication systems are described. A described technique performed by a user equipment (UE) includes receiving configuration information that determines a bit-width value for an antenna port indication field of a downlink control information (DCI) format; receiving a DCI message that is in accordance with the DCI format; and determining an antenna port configuration for one or more demodulation reference signals based on the DCI message, the configuration information, and the bit-width value.

Abstract: A generation node B (gNB) configured for aperiodic channel state information reference signal (CSI-RS) triggering and transmission may encode signalling for transmission to a user equipment (UE). The signalling to indicate an aperiodic Triggering Offset (aperiodicTriggeringOffset). The aperiodic Triggering Offset may comprise a slot offset. The gNB may encode a downlink control information (DCI) for transmission that may trigger transmission of a CSI-RS in one or more aperiodic CSI-RS resource set(s) (i.e., in one or more slots (n)). The DCI triggers transmission of the aperiodic CSI-RS within a triggered slot with the slot offset (i.e., the aperiodic TriggeringOffset). The gNB may transmit the CSI-RS in resource elements of the triggered slot in accordance with the slot offset, when CSI-RS resources are available in the slot at the slot offset.

Abstract: An apparatus and system of supporting simultaneous transmission over multi-panel (STxMP) uplink (UL) transmissions are described. At least one downlink control information (DCI) is used to schedule STxMP UL transmission to multiple transmit-receive points (TRPs). The DCI indicates whether time domain (TD) repetition is to be applied, in addition to time domain and/or frequency domain resource location for different multiplexing schemes. Aperiodic-channel state information (A-CSI) or semi-persistent CSI (SP-CSI) multiplexing is multiplexed within one or more of the repetitions. One or more sounding reference signal (SRS) resource indication (SRI) fields in the DCI indicate the SRS resources to use for the transmission. Mechanisms of physical uplink control channel (PUCCH) resource configuration are described for STxMP operation.

Abstract: A device can include communication circuitry to communicate with radio units (RUs) over a fronthaul (FH) interface. The device can include a processor coupled to the communication circuitry to receive, over the communication interface, an indication of a number of multiple-input multiple-output (MIMO) layers to be scheduled, and information identifying the one or more RUs. The processor can assign a number of streams to the one or more RUs based on the number of MIMO layers. The processor can provide the assigning to the number of RUs over the FH interface.

Abstract: This disclosure describes systems, methods, and devices related to optimized uplink transmission. A device may receive a configuration of a first physical uplink control channel (PUCCH) resource and a set of second PUCCH resources associated with a first PUCCH resource. The device may transmit a first uplink control information (UCI) part on the first PUCCH resource. The device may select a second PUCCH resource from the set of second PUCCH resources based on a payload size of a second UCI part determined from the first UCI part. The device may transmit the second UCI part on the selected second PUCCH resource.

Abstract: Systems, apparatuses, methods, and computer-readable media are provided for a user equipment (UE) in a wireless communication system using an unlicensed spectrum. The UE includes a processor circuitry and radio front end circuitry coupled with the processor circuitry. The processor circuitry is configured to determine UE processing time for a first physical downlink shared channel (PDSCH) transmission and a second PDSCH transmission, and an additional processing time corresponding to the first and the second PDSCH transmissions. The processor circuitry is configured to process a hybrid automatic repeat and request acknowledgement (HARQ-ACK) assessment information for inclusion in a subframe on a physical uplink control channel (PUCCH) following the UE processing time and the additional processing time. The radio front end circuitry is configured to receive the first and the second PDSCH transmissions from a base station, and transmit the HARQ-ACK assessment information on the PUCCH to the base station.

Abstract: The present disclosure is generally related to wireless communications technologies, network topologies, and communication device implementations, and in particular, to multipletransmission reception point (multi-TRP) uplink (UL) transmission schemes. The multi-TRP UL transmission schemes include timing advance (TA) associations for multi-TRP operation, channel state information (CSI) enhancements, and codebook structural enhancements. To enhance the performance of Rel-16 codebook, a new codebook structure is constructed by preserving the Rel-16 codebook structure in the spatial dimension (SD) and frequency dimension (FD) while extending the Rel-16 codebook in the time dimension (TD) using a mutually orthogonal Discrete Fourier Transform (DFT) basis.

Abstract: Systems, devices, and techniques for adjusting a user equipment (UE) processing time parameter in a wireless communication system that include transmission and reception points (TRPs) are described. A described technique performed by UE includes receiving a first physical downlink shared channel (PDSCH) from a first TRP corresponding to a first scheduling physical downlink control channel (PDCCH) and a second PDSCH from a second TRP corresponding to a second scheduling PDCCH. The technique further includes transmitting a first hybrid automatic repeat request acknowledgement (HARQ-ACK) message and a second HARQ-ACK message based on the first PDSCH and the second PDSCH in accordance with a first processing time parameter and a second processing time parameter, respectively. The first processing time parameter can be based on a PDSCH mapping type, a processing capability of the UE, and one or more timing characteristics of the first PDSCH and the second PDSCH.

Abstract: A service device (e.g., a user equipment (UE), a new radio NB (gNB), or other network component or network management component) can process or generate a Downlink Control Information (DCI) that schedules a Physical Uplink Shared Channel (PUSCH) transmission in a PUSCH. The PUSCH transmission can be generated based on a Demodulation Reference Signal (DMRS) according to a Discrete Fourier Transform (DFT) spread Orthogonal Frequency Division Multiplexing (DFT-s-OFDM) waveform in uplink. A sequence of the DMRS can be generated based on a Gold sequence and a Pi/2 Binary Phase-Shift Keying (BPSK) modulation.

Abstract: Systems, apparatuses, methods, and computer-readable media are directed to techniques for codebook support for different antenna structures, such as a user equipment (UE) with a non-uniform antenna array (e.g. with different distances between antenna elements) and/or multiple antenna panels. Embodiments further provide techniques for enhanced operation in full power mode 2. For example, embodiments provide techniques for antenna virtualization to form virtual antenna ports from subsets of transmit antennas of the UE (e.g., from eight transmit antennas to two, four, or six virtual antenna ports). Other embodiments may be described and claimed.

Abstract: Systems, apparatuses, methods, and computer-readable media are provided for enhanced demodulation reference signal (DMRS) for uplink transmissions with up to eight layers (e.g., an uplink single user (SU)-multiple input, multiple output (MIMO) transmission). Additionally, embodiments relate to antenna port indication for DMRS transmission. Other embodiments may be described and claimed.

Abstract: Various embodiments herein are directed to set physical downlink shared channel (PDSCH) default beam behavior for single transmission-reception point (TRP), single downlink control information (DCI) multi-TRP and multi-DCI multi-TRP operation, as well as physical downlink control channel (PDCCH) prioritization based on quasi-colocation (QCL) Type-D for multi-panel reception and single panel reception.